diff --git a/Documentation/devicetree/bindings/net/allwinner,sun4i-emac.txt b/Documentation/devicetree/bindings/net/allwinner,sun4i-emac.txt index b90bfcd138ff..863d5b8155c7 100644 --- a/Documentation/devicetree/bindings/net/allwinner,sun4i-emac.txt +++ b/Documentation/devicetree/bindings/net/allwinner,sun4i-emac.txt @@ -1,7 +1,8 @@ * Allwinner EMAC ethernet controller Required properties: -- compatible: should be "allwinner,sun4i-emac". +- compatible: should be "allwinner,sun4i-a10-emac" (Deprecated: + "allwinner,sun4i-emac") - reg: address and length of the register set for the device. - interrupts: interrupt for the device - phy: A phandle to a phy node defining the PHY address (as the reg @@ -14,7 +15,7 @@ Optional properties: Example: emac: ethernet@01c0b000 { - compatible = "allwinner,sun4i-emac"; + compatible = "allwinner,sun4i-a10-emac"; reg = <0x01c0b000 0x1000>; interrupts = <55>; clocks = <&ahb_gates 17>; diff --git a/Documentation/devicetree/bindings/net/allwinner,sun4i-mdio.txt b/Documentation/devicetree/bindings/net/allwinner,sun4i-mdio.txt index 00b9f9a3ec1d..4ec56413779d 100644 --- a/Documentation/devicetree/bindings/net/allwinner,sun4i-mdio.txt +++ b/Documentation/devicetree/bindings/net/allwinner,sun4i-mdio.txt @@ -1,7 +1,8 @@ * Allwinner A10 MDIO Ethernet Controller interface Required properties: -- compatible: should be "allwinner,sun4i-mdio". +- compatible: should be "allwinner,sun4i-a10-mdio" + (Deprecated: "allwinner,sun4i-mdio"). - reg: address and length of the register set for the device. Optional properties: @@ -9,7 +10,7 @@ Optional properties: Example at the SoC level: mdio@01c0b080 { - compatible = "allwinner,sun4i-mdio"; + compatible = "allwinner,sun4i-a10-mdio"; reg = <0x01c0b080 0x14>; #address-cells = <1>; #size-cells = <0>; diff --git a/Documentation/ptp/testptp.c b/Documentation/ptp/testptp.c index a74d0a84d329..4aba0436da65 100644 --- a/Documentation/ptp/testptp.c +++ b/Documentation/ptp/testptp.c @@ -117,6 +117,7 @@ static void usage(char *progname) " -f val adjust the ptp clock frequency by 'val' ppb\n" " -g get the ptp clock time\n" " -h prints this message\n" + " -i val index for event/trigger\n" " -k val measure the time offset between system and phc clock\n" " for 'val' times (Maximum 25)\n" " -p val enable output with a period of 'val' nanoseconds\n" @@ -154,6 +155,7 @@ int main(int argc, char *argv[]) int capabilities = 0; int extts = 0; int gettime = 0; + int index = 0; int oneshot = 0; int pct_offset = 0; int n_samples = 0; @@ -167,7 +169,7 @@ int main(int argc, char *argv[]) progname = strrchr(argv[0], '/'); progname = progname ? 1+progname : argv[0]; - while (EOF != (c = getopt(argc, argv, "a:A:cd:e:f:ghk:p:P:sSt:v"))) { + while (EOF != (c = getopt(argc, argv, "a:A:cd:e:f:ghi:k:p:P:sSt:v"))) { switch (c) { case 'a': oneshot = atoi(optarg); @@ -190,6 +192,9 @@ int main(int argc, char *argv[]) case 'g': gettime = 1; break; + case 'i': + index = atoi(optarg); + break; case 'k': pct_offset = 1; n_samples = atoi(optarg); @@ -301,7 +306,7 @@ int main(int argc, char *argv[]) if (extts) { memset(&extts_request, 0, sizeof(extts_request)); - extts_request.index = 0; + extts_request.index = index; extts_request.flags = PTP_ENABLE_FEATURE; if (ioctl(fd, PTP_EXTTS_REQUEST, &extts_request)) { perror("PTP_EXTTS_REQUEST"); @@ -375,7 +380,7 @@ int main(int argc, char *argv[]) return -1; } memset(&perout_request, 0, sizeof(perout_request)); - perout_request.index = 0; + perout_request.index = index; perout_request.start.sec = ts.tv_sec + 2; perout_request.start.nsec = 0; perout_request.period.sec = 0; diff --git a/MAINTAINERS b/MAINTAINERS index b2cf5cfb4d29..091b50edaf35 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7196,7 +7196,7 @@ S: Maintained F: drivers/net/ethernet/rdc/r6040.c RDS - RELIABLE DATAGRAM SOCKETS -M: Venkat Venkatsubra +M: Chien Yen L: rds-devel@oss.oracle.com (moderated for non-subscribers) S: Supported F: net/rds/ diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi index 040bb0eba152..10666ca8aee1 100644 --- a/arch/arm/boot/dts/sun4i-a10.dtsi +++ b/arch/arm/boot/dts/sun4i-a10.dtsi @@ -315,7 +315,7 @@ ranges; emac: ethernet@01c0b000 { - compatible = "allwinner,sun4i-emac"; + compatible = "allwinner,sun4i-a10-emac"; reg = <0x01c0b000 0x1000>; interrupts = <55>; clocks = <&ahb_gates 17>; @@ -323,7 +323,7 @@ }; mdio@01c0b080 { - compatible = "allwinner,sun4i-mdio"; + compatible = "allwinner,sun4i-a10-mdio"; reg = <0x01c0b080 0x14>; status = "disabled"; #address-cells = <1>; diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi index ea16054857a4..64961595e8d6 100644 --- a/arch/arm/boot/dts/sun5i-a10s.dtsi +++ b/arch/arm/boot/dts/sun5i-a10s.dtsi @@ -278,7 +278,7 @@ ranges; emac: ethernet@01c0b000 { - compatible = "allwinner,sun4i-emac"; + compatible = "allwinner,sun4i-a10-emac"; reg = <0x01c0b000 0x1000>; interrupts = <55>; clocks = <&ahb_gates 17>; @@ -286,7 +286,7 @@ }; mdio@01c0b080 { - compatible = "allwinner,sun4i-mdio"; + compatible = "allwinner,sun4i-a10-mdio"; reg = <0x01c0b080 0x14>; status = "disabled"; #address-cells = <1>; diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi index 119f066f0d98..9ff09484847b 100644 --- a/arch/arm/boot/dts/sun7i-a20.dtsi +++ b/arch/arm/boot/dts/sun7i-a20.dtsi @@ -340,7 +340,7 @@ ranges; emac: ethernet@01c0b000 { - compatible = "allwinner,sun4i-emac"; + compatible = "allwinner,sun4i-a10-emac"; reg = <0x01c0b000 0x1000>; interrupts = <0 55 4>; clocks = <&ahb_gates 17>; @@ -348,7 +348,7 @@ }; mdio@01c0b080 { - compatible = "allwinner,sun4i-mdio"; + compatible = "allwinner,sun4i-a10-mdio"; reg = <0x01c0b080 0x14>; status = "disabled"; #address-cells = <1>; diff --git a/drivers/isdn/hisax/q931.c b/drivers/isdn/hisax/q931.c index af1b020a81f1..b420f8bd862e 100644 --- a/drivers/isdn/hisax/q931.c +++ b/drivers/isdn/hisax/q931.c @@ -810,7 +810,7 @@ prfeatureind(char *dest, u_char *p) dp += sprintf(dp, " octet 3 "); dp += prbits(dp, *p, 8, 8); *dp++ = '\n'; - if (!(*p++ & 80)) { + if (!(*p++ & 0x80)) { dp += sprintf(dp, " octet 4 "); dp += prbits(dp, *p++, 8, 8); *dp++ = '\n'; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 4c08018d7333..71ba18efa15b 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1270,9 +1270,13 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) if (slave_ops->ndo_set_mac_address == NULL) { if (!bond_has_slaves(bond)) { - pr_warning("%s: Warning: The first slave device specified does not support setting the MAC address. Setting fail_over_mac to active.", - bond_dev->name); - bond->params.fail_over_mac = BOND_FOM_ACTIVE; + pr_warn("%s: Warning: The first slave device specified does not support setting the MAC address.\n", + bond_dev->name); + if (bond->params.mode == BOND_MODE_ACTIVEBACKUP) { + bond->params.fail_over_mac = BOND_FOM_ACTIVE; + pr_warn("%s: Setting fail_over_mac to active for active-backup mode.\n", + bond_dev->name); + } } else if (bond->params.fail_over_mac != BOND_FOM_ACTIVE) { pr_err("%s: Error: The slave device specified does not support setting the MAC address, but fail_over_mac is not set to active.\n", bond_dev->name); @@ -1315,7 +1319,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) */ memcpy(new_slave->perm_hwaddr, slave_dev->dev_addr, ETH_ALEN); - if (!bond->params.fail_over_mac) { + if (!bond->params.fail_over_mac || + bond->params.mode != BOND_MODE_ACTIVEBACKUP) { /* * Set slave to master's mac address. The application already * set the master's mac address to that of the first slave @@ -1505,7 +1510,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) slave_dev->npinfo = bond->dev->npinfo; if (slave_dev->npinfo) { if (slave_enable_netpoll(new_slave)) { - read_unlock(&bond->lock); pr_info("Error, %s: master_dev is using netpoll, " "but new slave device does not support netpoll.\n", bond_dev->name); @@ -1579,7 +1583,8 @@ err_close: dev_close(slave_dev); err_restore_mac: - if (!bond->params.fail_over_mac) { + if (!bond->params.fail_over_mac || + bond->params.mode != BOND_MODE_ACTIVEBACKUP) { /* XXX TODO - fom follow mode needs to change master's * MAC if this slave's MAC is in use by the bond, or at * least print a warning. @@ -1672,7 +1677,8 @@ static int __bond_release_one(struct net_device *bond_dev, bond->current_arp_slave = NULL; - if (!all && !bond->params.fail_over_mac) { + if (!all && (!bond->params.fail_over_mac || + bond->params.mode != BOND_MODE_ACTIVEBACKUP)) { if (ether_addr_equal_64bits(bond_dev->dev_addr, slave->perm_hwaddr) && bond_has_slaves(bond)) pr_warn("%s: Warning: the permanent HWaddr of %s - %pM - is still in use by %s. Set the HWaddr of %s to a different address to avoid conflicts.\n", @@ -1769,7 +1775,8 @@ static int __bond_release_one(struct net_device *bond_dev, /* close slave before restoring its mac address */ dev_close(slave_dev); - if (bond->params.fail_over_mac != BOND_FOM_ACTIVE) { + if (bond->params.fail_over_mac != BOND_FOM_ACTIVE || + bond->params.mode != BOND_MODE_ACTIVEBACKUP) { /* restore original ("permanent") mac address */ memcpy(addr.sa_data, slave->perm_hwaddr, ETH_ALEN); addr.sa_family = slave_dev->type; @@ -3431,7 +3438,8 @@ static int bond_set_mac_address(struct net_device *bond_dev, void *addr) /* If fail_over_mac is enabled, do nothing and return success. * Returning an error causes ifenslave to fail. */ - if (bond->params.fail_over_mac) + if (bond->params.fail_over_mac && + bond->params.mode == BOND_MODE_ACTIVEBACKUP) return 0; if (!is_valid_ether_addr(sa->sa_data)) diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig index d447b881bbde..9e7d95dae2c7 100644 --- a/drivers/net/can/Kconfig +++ b/drivers/net/can/Kconfig @@ -104,7 +104,7 @@ config CAN_JANZ_ICAN3 config CAN_FLEXCAN tristate "Support for Freescale FLEXCAN based chips" - depends on (ARM && CPU_LITTLE_ENDIAN) || PPC + depends on ARM || PPC ---help--- Say Y here if you want to support for Freescale FlexCAN. diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 13a909822e25..fc59bc6f040b 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -323,19 +323,10 @@ void can_put_echo_skb(struct sk_buff *skb, struct net_device *dev, } if (!priv->echo_skb[idx]) { - struct sock *srcsk = skb->sk; - if (atomic_read(&skb->users) != 1) { - struct sk_buff *old_skb = skb; - - skb = skb_clone(old_skb, GFP_ATOMIC); - kfree_skb(old_skb); - if (!skb) - return; - } else - skb_orphan(skb); - - skb->sk = srcsk; + skb = can_create_echo_skb(skb); + if (!skb) + return; /* make settings for echo to reduce code in irq context */ skb->protocol = htons(ETH_P_CAN); diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index aaed97bee471..320bef2dba42 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -235,9 +235,12 @@ static const struct can_bittiming_const flexcan_bittiming_const = { }; /* - * Abstract off the read/write for arm versus ppc. + * Abstract off the read/write for arm versus ppc. This + * assumes that PPC uses big-endian registers and everything + * else uses little-endian registers, independent of CPU + * endianess. */ -#if defined(__BIG_ENDIAN) +#if defined(CONFIG_PPC) static inline u32 flexcan_read(void __iomem *addr) { return in_be32(addr); diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c index e24e6690d672..71594e5676fd 100644 --- a/drivers/net/can/janz-ican3.c +++ b/drivers/net/can/janz-ican3.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include @@ -1133,20 +1134,9 @@ static void ican3_handle_message(struct ican3_dev *mod, struct ican3_msg *msg) */ static void ican3_put_echo_skb(struct ican3_dev *mod, struct sk_buff *skb) { - struct sock *srcsk = skb->sk; - - if (atomic_read(&skb->users) != 1) { - struct sk_buff *old_skb = skb; - - skb = skb_clone(old_skb, GFP_ATOMIC); - kfree_skb(old_skb); - if (!skb) - return; - } else { - skb_orphan(skb); - } - - skb->sk = srcsk; + skb = can_create_echo_skb(skb); + if (!skb) + return; /* save this skb for tx interrupt echo handling */ skb_queue_tail(&mod->echoq, skb); @@ -1322,7 +1312,7 @@ static int ican3_napi(struct napi_struct *napi, int budget) /* process all communication messages */ while (true) { - struct ican3_msg msg; + struct ican3_msg uninitialized_var(msg); ret = ican3_recv_msg(mod, &msg); if (ret) break; diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c index 0a2a5ee79a17..4e94057ef5cf 100644 --- a/drivers/net/can/vcan.c +++ b/drivers/net/can/vcan.c @@ -46,6 +46,7 @@ #include #include #include +#include #include #include @@ -109,25 +110,23 @@ static netdev_tx_t vcan_tx(struct sk_buff *skb, struct net_device *dev) stats->rx_packets++; stats->rx_bytes += cfd->len; } - kfree_skb(skb); + consume_skb(skb); return NETDEV_TX_OK; } /* perform standard echo handling for CAN network interfaces */ if (loop) { - struct sock *srcsk = skb->sk; - skb = skb_share_check(skb, GFP_ATOMIC); + skb = can_create_echo_skb(skb); if (!skb) return NETDEV_TX_OK; /* receive with packet counting */ - skb->sk = srcsk; vcan_rx(skb, dev); } else { /* no looped packets => no counting */ - kfree_skb(skb); + consume_skb(skb); } return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c index 0f4241c6e97e..238ccea965c8 100644 --- a/drivers/net/ethernet/3com/3c59x.c +++ b/drivers/net/ethernet/3com/3c59x.c @@ -3294,7 +3294,6 @@ static int __init vortex_init(void) static void __exit vortex_eisa_cleanup(void) { - struct vortex_private *vp; void __iomem *ioaddr; #ifdef CONFIG_EISA @@ -3303,7 +3302,6 @@ static void __exit vortex_eisa_cleanup(void) #endif if (compaq_net_device) { - vp = netdev_priv(compaq_net_device); ioaddr = ioport_map(compaq_net_device->base_addr, VORTEX_TOTAL_SIZE); diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index 0cc21437478c..511f6eecd58b 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -929,6 +929,9 @@ static int emac_resume(struct platform_device *dev) } static const struct of_device_id emac_of_match[] = { + {.compatible = "allwinner,sun4i-a10-emac",}, + + /* Deprecated */ {.compatible = "allwinner,sun4i-emac",}, {}, }; diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index e92ffd6e1c15..2e45f6ec1bf0 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -1292,6 +1292,7 @@ static int alx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) alx = netdev_priv(netdev); spin_lock_init(&alx->hw.mdio_lock); spin_lock_init(&alx->irq_lock); + spin_lock_init(&alx->stats_lock); alx->dev = netdev; alx->hw.pdev = pdev; alx->msg_enable = NETIF_MSG_LINK | NETIF_MSG_HW | NETIF_MSG_IFUP | diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 9d2dedadf2df..cda25ac45b47 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -85,7 +85,7 @@ MODULE_FIRMWARE(FW_RV2P_FILE_09_Ax); static int disable_msi = 0; -module_param(disable_msi, int, 0); +module_param(disable_msi, int, S_IRUGO); MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)"); typedef enum { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 17d1689aec6b..bfc58d488bb5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -936,7 +936,7 @@ static inline int bnx2x_func_start(struct bnx2x *bp) else /* CHIP_IS_E1X */ start_params->network_cos_mode = FW_WRR; - start_params->gre_tunnel_mode = IPGRE_TUNNEL; + start_params->gre_tunnel_mode = L2GRE_TUNNEL; start_params->gre_tunnel_rss = GRE_INNER_HEADERS_RSS; return bnx2x_func_state_change(bp, &func_params); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index c9c445e7b4a5..7d4382286457 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -95,29 +95,29 @@ MODULE_FIRMWARE(FW_FILE_NAME_E1H); MODULE_FIRMWARE(FW_FILE_NAME_E2); int bnx2x_num_queues; -module_param_named(num_queues, bnx2x_num_queues, int, 0); +module_param_named(num_queues, bnx2x_num_queues, int, S_IRUGO); MODULE_PARM_DESC(num_queues, " Set number of queues (default is as a number of CPUs)"); static int disable_tpa; -module_param(disable_tpa, int, 0); +module_param(disable_tpa, int, S_IRUGO); MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature"); static int int_mode; -module_param(int_mode, int, 0); +module_param(int_mode, int, S_IRUGO); MODULE_PARM_DESC(int_mode, " Force interrupt mode other than MSI-X " "(1 INT#x; 2 MSI)"); static int dropless_fc; -module_param(dropless_fc, int, 0); +module_param(dropless_fc, int, S_IRUGO); MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring"); static int mrrs = -1; -module_param(mrrs, int, 0); +module_param(mrrs, int, S_IRUGO); MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)"); static int debug; -module_param(debug, int, 0); +module_param(debug, int, S_IRUGO); MODULE_PARM_DESC(debug, " Default debug msglevel"); struct workqueue_struct *bnx2x_wq; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index aec5ef2ed7ce..e42f48df6e94 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1446,12 +1446,12 @@ static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf) if (vf->cfg_flags & VF_CFG_INT_SIMD) val |= IGU_VF_CONF_SINGLE_ISR_EN; val &= ~IGU_VF_CONF_PARENT_MASK; - val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */ + val |= (BP_ABS_FUNC(bp) >> 1) << IGU_VF_CONF_PARENT_SHIFT; REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); DP(BNX2X_MSG_IOV, - "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n", - vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION)); + "value in IGU_REG_VF_CONFIGURATION of vf %d after write is 0x%08x\n", + vf->abs_vfid, val); bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index e2ca03e23dc1..3167ed6593b0 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -2609,13 +2609,14 @@ static int tg3_phy_reset_5703_4_5(struct tg3 *tp) tg3_writephy(tp, MII_CTRL1000, phy9_orig); - if (!tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32)) { - reg32 &= ~0x3000; - tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); - } else if (!err) - err = -EBUSY; + err = tg3_readphy(tp, MII_TG3_EXT_CTRL, ®32); + if (err) + return err; - return err; + reg32 &= ~0x3000; + tg3_writephy(tp, MII_TG3_EXT_CTRL, reg32); + + return 0; } static void tg3_carrier_off(struct tg3 *tp) @@ -14113,12 +14114,12 @@ static int tg3_change_mtu(struct net_device *dev, int new_mtu) tg3_netif_stop(tp); + tg3_set_mtu(dev, tp, new_mtu); + tg3_full_lock(tp, 1); tg3_halt(tp, RESET_KIND_SHUTDOWN, 1); - tg3_set_mtu(dev, tp, new_mtu); - /* Reset PHY, otherwise the read DMA engine will be in a mode that * breaks all requests to 256 bytes. */ diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index 4de8cfd149cf..55e0fa03dc90 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -13,6 +13,7 @@ #include #include +#include #include #include #include @@ -51,6 +52,7 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size"); #define ETH_HASH0 0x48 #define ETH_HASH1 0x4c #define ETH_TXCTRL 0x50 +#define ETH_END 0x54 /* mode register */ #define MODER_RXEN (1 << 0) /* receive enable */ @@ -179,6 +181,7 @@ MODULE_PARM_DESC(buffer_size, "DMA buffer allocation size"); * @membase: pointer to buffer memory region * @dma_alloc: dma allocated buffer size * @io_region_size: I/O memory region size + * @num_bd: number of buffer descriptors * @num_tx: number of send buffers * @cur_tx: last send buffer written * @dty_tx: last buffer actually sent @@ -199,6 +202,7 @@ struct ethoc { int dma_alloc; resource_size_t io_region_size; + unsigned int num_bd; unsigned int num_tx; unsigned int cur_tx; unsigned int dty_tx; @@ -216,6 +220,7 @@ struct ethoc { struct phy_device *phy; struct mii_bus *mdio; + struct clk *clk; s8 phy_id; }; @@ -688,6 +693,11 @@ static int ethoc_mdio_probe(struct net_device *dev) } priv->phy = phy; + phy->advertising &= ~(ADVERTISED_1000baseT_Full | + ADVERTISED_1000baseT_Half); + phy->supported &= ~(SUPPORTED_1000baseT_Full | + SUPPORTED_1000baseT_Half); + return 0; } @@ -890,6 +900,102 @@ out: return NETDEV_TX_OK; } +static int ethoc_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ethoc *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phy; + + if (!phydev) + return -EOPNOTSUPP; + + return phy_ethtool_gset(phydev, cmd); +} + +static int ethoc_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) +{ + struct ethoc *priv = netdev_priv(dev); + struct phy_device *phydev = priv->phy; + + if (!phydev) + return -EOPNOTSUPP; + + return phy_ethtool_sset(phydev, cmd); +} + +static int ethoc_get_regs_len(struct net_device *netdev) +{ + return ETH_END; +} + +static void ethoc_get_regs(struct net_device *dev, struct ethtool_regs *regs, + void *p) +{ + struct ethoc *priv = netdev_priv(dev); + u32 *regs_buff = p; + unsigned i; + + regs->version = 0; + for (i = 0; i < ETH_END / sizeof(u32); ++i) + regs_buff[i] = ethoc_read(priv, i * sizeof(u32)); +} + +static void ethoc_get_ringparam(struct net_device *dev, + struct ethtool_ringparam *ring) +{ + struct ethoc *priv = netdev_priv(dev); + + ring->rx_max_pending = priv->num_bd - 1; + ring->rx_mini_max_pending = 0; + ring->rx_jumbo_max_pending = 0; + ring->tx_max_pending = priv->num_bd - 1; + + ring->rx_pending = priv->num_rx; + ring->rx_mini_pending = 0; + ring->rx_jumbo_pending = 0; + ring->tx_pending = priv->num_tx; +} + +static int ethoc_set_ringparam(struct net_device *dev, + struct ethtool_ringparam *ring) +{ + struct ethoc *priv = netdev_priv(dev); + + if (ring->tx_pending < 1 || ring->rx_pending < 1 || + ring->tx_pending + ring->rx_pending > priv->num_bd) + return -EINVAL; + if (ring->rx_mini_pending || ring->rx_jumbo_pending) + return -EINVAL; + + if (netif_running(dev)) { + netif_tx_disable(dev); + ethoc_disable_rx_and_tx(priv); + ethoc_disable_irq(priv, INT_MASK_TX | INT_MASK_RX); + synchronize_irq(dev->irq); + } + + priv->num_tx = rounddown_pow_of_two(ring->tx_pending); + priv->num_rx = ring->rx_pending; + ethoc_init_ring(priv, dev->mem_start); + + if (netif_running(dev)) { + ethoc_enable_irq(priv, INT_MASK_TX | INT_MASK_RX); + ethoc_enable_rx_and_tx(priv); + netif_wake_queue(dev); + } + return 0; +} + +const struct ethtool_ops ethoc_ethtool_ops = { + .get_settings = ethoc_get_settings, + .set_settings = ethoc_set_settings, + .get_regs_len = ethoc_get_regs_len, + .get_regs = ethoc_get_regs, + .get_link = ethtool_op_get_link, + .get_ringparam = ethoc_get_ringparam, + .set_ringparam = ethoc_set_ringparam, + .get_ts_info = ethtool_op_get_ts_info, +}; + static const struct net_device_ops ethoc_netdev_ops = { .ndo_open = ethoc_open, .ndo_stop = ethoc_stop, @@ -917,6 +1023,8 @@ static int ethoc_probe(struct platform_device *pdev) int num_bd; int ret = 0; bool random_mac = false; + struct ethoc_platform_data *pdata = dev_get_platdata(&pdev->dev); + u32 eth_clkfreq = pdata ? pdata->eth_clkfreq : 0; /* allocate networking device */ netdev = alloc_etherdev(sizeof(struct ethoc)); @@ -1016,6 +1124,7 @@ static int ethoc_probe(struct platform_device *pdev) ret = -ENODEV; goto error; } + priv->num_bd = num_bd; /* num_tx must be a power of two */ priv->num_tx = rounddown_pow_of_two(num_bd >> 1); priv->num_rx = num_bd - priv->num_tx; @@ -1030,8 +1139,7 @@ static int ethoc_probe(struct platform_device *pdev) } /* Allow the platform setup code to pass in a MAC address. */ - if (dev_get_platdata(&pdev->dev)) { - struct ethoc_platform_data *pdata = dev_get_platdata(&pdev->dev); + if (pdata) { memcpy(netdev->dev_addr, pdata->hwaddr, IFHWADDRLEN); priv->phy_id = pdata->phy_id; } else { @@ -1069,6 +1177,27 @@ static int ethoc_probe(struct platform_device *pdev) if (random_mac) netdev->addr_assign_type = NET_ADDR_RANDOM; + /* Allow the platform setup code to adjust MII management bus clock. */ + if (!eth_clkfreq) { + struct clk *clk = devm_clk_get(&pdev->dev, NULL); + + if (!IS_ERR(clk)) { + priv->clk = clk; + clk_prepare_enable(clk); + eth_clkfreq = clk_get_rate(clk); + } + } + if (eth_clkfreq) { + u32 clkdiv = MIIMODER_CLKDIV(eth_clkfreq / 2500000 + 1); + + if (!clkdiv) + clkdiv = 2; + dev_dbg(&pdev->dev, "setting MII clkdiv to %u\n", clkdiv); + ethoc_write(priv, MIIMODER, + (ethoc_read(priv, MIIMODER) & MIIMODER_NOPRE) | + clkdiv); + } + /* register MII bus */ priv->mdio = mdiobus_alloc(); if (!priv->mdio) { @@ -1111,6 +1240,7 @@ static int ethoc_probe(struct platform_device *pdev) netdev->netdev_ops = ðoc_netdev_ops; netdev->watchdog_timeo = ETHOC_TIMEOUT; netdev->features |= 0; + netdev->ethtool_ops = ðoc_ethtool_ops; /* setup NAPI */ netif_napi_add(netdev, &priv->napi, ethoc_poll, 64); @@ -1133,6 +1263,8 @@ free_mdio: kfree(priv->mdio->irq); mdiobus_free(priv->mdio); free: + if (priv->clk) + clk_disable_unprepare(priv->clk); free_netdev(netdev); out: return ret; @@ -1157,6 +1289,8 @@ static int ethoc_remove(struct platform_device *pdev) kfree(priv->mdio->irq); mdiobus_free(priv->mdio); } + if (priv->clk) + clk_disable_unprepare(priv->clk); unregister_netdev(netdev); free_netdev(netdev); } diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c index cbaba4442d4b..bf7a01ef9a57 100644 --- a/drivers/net/ethernet/intel/e100.c +++ b/drivers/net/ethernet/intel/e100.c @@ -3034,7 +3034,7 @@ static void __e100_shutdown(struct pci_dev *pdev, bool *enable_wake) *enable_wake = false; } - pci_disable_device(pdev); + pci_clear_master(pdev); } static int __e100_power_off(struct pci_dev *pdev, bool wake) diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 1ded50ca1600..e46e8698e630 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -726,9 +726,6 @@ static int vxge_learn_mac(struct vxgedev *vdev, u8 *mac_header) int vpath_idx = 0; enum vxge_hw_status status = VXGE_HW_OK; struct vxge_vpath *vpath = NULL; - struct __vxge_hw_device *hldev; - - hldev = pci_get_drvdata(vdev->pdev); mac_address = (u8 *)&mac_addr; memcpy(mac_address, mac_header, ETH_ALEN); @@ -2443,9 +2440,6 @@ static void vxge_rem_msix_isr(struct vxgedev *vdev) static void vxge_rem_isr(struct vxgedev *vdev) { - struct __vxge_hw_device *hldev; - hldev = pci_get_drvdata(vdev->pdev); - #ifdef CONFIG_PCI_MSI if (vdev->config.intr_type == MSI_X) { vxge_rem_msix_isr(vdev); diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c index c49d1fb16965..75d11fa4eb0a 100644 --- a/drivers/net/ethernet/sfc/tx.c +++ b/drivers/net/ethernet/sfc/tx.c @@ -429,7 +429,9 @@ netdev_tx_t efx_enqueue_skb(struct efx_tx_queue *tx_queue, struct sk_buff *skb) } /* Transfer ownership of the skb to the final buffer */ +#ifdef EFX_USE_PIO finish_packet: +#endif buffer->skb = skb; buffer->flags = EFX_TX_BUF_SKB | dma_flags; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index bde63e3af96f..1d860ce914ed 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1878,8 +1878,18 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, mdio_node = of_find_node_by_phandle(be32_to_cpup(parp)); phyid = be32_to_cpup(parp+1); mdio = of_find_device_by_node(mdio_node); - snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), - PHY_ID_FMT, mdio->name, phyid); + + if (strncmp(mdio->name, "gpio", 4) == 0) { + /* GPIO bitbang MDIO driver attached */ + struct mii_bus *bus = dev_get_drvdata(&mdio->dev); + + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, bus->id, phyid); + } else { + /* davinci MDIO driver attached */ + snprintf(slave_data->phy_id, sizeof(slave_data->phy_id), + PHY_ID_FMT, mdio->name, phyid); + } mac_addr = of_get_mac_address(slave_node); if (mac_addr) diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig index 2dc82f1d2e70..3da44d5d9149 100644 --- a/drivers/net/irda/Kconfig +++ b/drivers/net/irda/Kconfig @@ -210,13 +210,6 @@ config KINGSUN_DONGLE To compile it as a module, choose M here: the module will be called kingsun-sir. -config EP7211_DONGLE - tristate "Cirrus Logic clps711x I/R support" - depends on IRTTY_SIR && ARCH_CLPS711X && IRDA - help - Say Y here if you want to build support for the Cirrus logic - EP7211 chipset's infrared module. - config KSDAZZLE_DONGLE tristate "KingSun Dazzle IrDA-USB dongle" depends on IRDA && USB diff --git a/drivers/net/irda/Makefile b/drivers/net/irda/Makefile index dfc64537f62f..be8ab5b9a4a2 100644 --- a/drivers/net/irda/Makefile +++ b/drivers/net/irda/Makefile @@ -35,7 +35,6 @@ obj-$(CONFIG_MCP2120_DONGLE) += mcp2120-sir.o obj-$(CONFIG_ACT200L_DONGLE) += act200l-sir.o obj-$(CONFIG_MA600_DONGLE) += ma600-sir.o obj-$(CONFIG_TOIM3232_DONGLE) += toim3232-sir.o -obj-$(CONFIG_EP7211_DONGLE) += ep7211-sir.o obj-$(CONFIG_KINGSUN_DONGLE) += kingsun-sir.o obj-$(CONFIG_KSDAZZLE_DONGLE) += ksdazzle-sir.o obj-$(CONFIG_KS959_DONGLE) += ks959-sir.o diff --git a/drivers/net/irda/ep7211-sir.c b/drivers/net/irda/ep7211-sir.c deleted file mode 100644 index 5fe1f4dd3369..000000000000 --- a/drivers/net/irda/ep7211-sir.c +++ /dev/null @@ -1,70 +0,0 @@ -/* - * IR port driver for the Cirrus Logic CLPS711X processors - * - * Copyright 2001, Blue Mug Inc. All rights reserved. - * Copyright 2007, Samuel Ortiz - */ - -#include -#include - -#include - -#include "sir-dev.h" - -static int clps711x_dongle_open(struct sir_dev *dev) -{ - unsigned int syscon; - - /* Turn on the SIR encoder. */ - syscon = clps_readl(SYSCON1); - syscon |= SYSCON1_SIREN; - clps_writel(syscon, SYSCON1); - - return 0; -} - -static int clps711x_dongle_close(struct sir_dev *dev) -{ - unsigned int syscon; - - /* Turn off the SIR encoder. */ - syscon = clps_readl(SYSCON1); - syscon &= ~SYSCON1_SIREN; - clps_writel(syscon, SYSCON1); - - return 0; -} - -static struct dongle_driver clps711x_dongle = { - .owner = THIS_MODULE, - .driver_name = "EP7211 IR driver", - .type = IRDA_EP7211_DONGLE, - .open = clps711x_dongle_open, - .close = clps711x_dongle_close, -}; - -static int clps711x_sir_probe(struct platform_device *pdev) -{ - return irda_register_dongle(&clps711x_dongle); -} - -static int clps711x_sir_remove(struct platform_device *pdev) -{ - return irda_unregister_dongle(&clps711x_dongle); -} - -static struct platform_driver clps711x_sir_driver = { - .driver = { - .name = "sir-clps711x", - .owner = THIS_MODULE, - }, - .probe = clps711x_sir_probe, - .remove = clps711x_sir_remove, -}; -module_platform_driver(clps711x_sir_driver); - -MODULE_AUTHOR("Samuel Ortiz "); -MODULE_DESCRIPTION("EP7211 IR dongle driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("irda-dongle-13"); /* IRDA_EP7211_DONGLE */ diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 547725fa8671..9414fa272160 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -437,7 +437,10 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp, if (on) { gpio_num = gpio_tab[EXTTS0_GPIO + index]; evnt |= (gpio_num & EVNT_GPIO_MASK) << EVNT_GPIO_SHIFT; - evnt |= EVNT_RISE; + if (rq->extts.flags & PTP_FALLING_EDGE) + evnt |= EVNT_FALL; + else + evnt |= EVNT_RISE; } ext_write(0, phydev, PAGE5, PTP_EVNT, evnt); return 0; @@ -1058,6 +1061,13 @@ static void dp83640_remove(struct phy_device *phydev) kfree(dp83640); } +static int dp83640_config_init(struct phy_device *phydev) +{ + enable_status_frames(phydev, true); + ext_write(0, phydev, PAGE4, PTP_CTL, PTP_ENABLE); + return 0; +} + static int dp83640_ack_interrupt(struct phy_device *phydev) { int err = phy_read(phydev, MII_DP83640_MISR); @@ -1195,11 +1205,6 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) mutex_lock(&dp83640->clock->extreg_lock); - if (dp83640->hwts_tx_en || dp83640->hwts_rx_en) { - enable_status_frames(phydev, true); - ext_write(0, phydev, PAGE4, PTP_CTL, PTP_ENABLE); - } - ext_write(0, phydev, PAGE5, PTP_TXCFG0, txcfg0); ext_write(0, phydev, PAGE5, PTP_RXCFG0, rxcfg0); @@ -1281,6 +1286,7 @@ static void dp83640_txtstamp(struct phy_device *phydev, } /* fall through */ case HWTSTAMP_TX_ON: + skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; skb_queue_tail(&dp83640->tx_queue, skb); schedule_work(&dp83640->ts_work); break; @@ -1330,6 +1336,7 @@ static struct phy_driver dp83640_driver = { .flags = PHY_HAS_INTERRUPT, .probe = dp83640_probe, .remove = dp83640_remove, + .config_init = dp83640_config_init, .config_aneg = genphy_config_aneg, .read_status = genphy_read_status, .ack_interrupt = dp83640_ack_interrupt, diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c index bb88bc7d81fb..9367acc84fbb 100644 --- a/drivers/net/phy/mdio-sun4i.c +++ b/drivers/net/phy/mdio-sun4i.c @@ -170,6 +170,9 @@ static int sun4i_mdio_remove(struct platform_device *pdev) } static const struct of_device_id sun4i_mdio_dt_ids[] = { + { .compatible = "allwinner,sun4i-a10-mdio" }, + + /* Deprecated */ { .compatible = "allwinner,sun4i-mdio" }, { } }; diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 4b03e63639b7..82514e72b3d8 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -719,7 +719,7 @@ int phy_resume(struct phy_device *phydev) static int genphy_config_advert(struct phy_device *phydev) { u32 advertise; - int oldadv, adv; + int oldadv, adv, bmsr; int err, changed = 0; /* Only allow advertising what this PHY supports */ @@ -744,26 +744,36 @@ static int genphy_config_advert(struct phy_device *phydev) changed = 1; } + bmsr = phy_read(phydev, MII_BMSR); + if (bmsr < 0) + return bmsr; + + /* Per 802.3-2008, Section 22.2.4.2.16 Extended status all + * 1000Mbits/sec capable PHYs shall have the BMSR_ESTATEN bit set to a + * logical 1. + */ + if (!(bmsr & BMSR_ESTATEN)) + return changed; + /* Configure gigabit if it's supported */ + adv = phy_read(phydev, MII_CTRL1000); + if (adv < 0) + return adv; + + oldadv = adv; + adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); + if (phydev->supported & (SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full)) { - adv = phy_read(phydev, MII_CTRL1000); - if (adv < 0) - return adv; - - oldadv = adv; - adv &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); adv |= ethtool_adv_to_mii_ctrl1000_t(advertise); - - if (adv != oldadv) { - err = phy_write(phydev, MII_CTRL1000, adv); - - if (err < 0) - return err; + if (adv != oldadv) changed = 1; - } } + err = phy_write(phydev, MII_CTRL1000, adv); + if (err < 0) + return err; + return changed; } diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 6b638a066c1d..409499fdb157 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -292,6 +292,22 @@ config USB_NET_SR9700 This option adds support for CoreChip-sz SR9700 based USB 1.1 10/100 Ethernet adapters. +config USB_NET_SR9800 + tristate "CoreChip-sz SR9800 based USB 2.0 10/100 ethernet devices" + depends on USB_USBNET + select CRC32 + default y + ---help--- + Say Y if you want to use one of the following 100Mbps USB Ethernet + device based on the CoreChip-sz SR9800 chip. + + This driver makes the adapter appear as a normal Ethernet interface, + typically on eth0, if it is the only ethernet device, or perhaps on + eth1, if you have a PCI or ISA ethernet card installed. + + To compile this driver as a module, choose M here: the + module will be called sr9800. + config USB_NET_SMSC75XX tristate "SMSC LAN75XX based USB 2.0 gigabit ethernet devices" depends on USB_USBNET diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile index b17b5e88bbaf..433f0a00c683 100644 --- a/drivers/net/usb/Makefile +++ b/drivers/net/usb/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_USB_NET_CDCETHER) += cdc_ether.o r815x.o obj-$(CONFIG_USB_NET_CDC_EEM) += cdc_eem.o obj-$(CONFIG_USB_NET_DM9601) += dm9601.o obj-$(CONFIG_USB_NET_SR9700) += sr9700.o +obj-$(CONFIG_USB_NET_SR9800) += sr9800.o obj-$(CONFIG_USB_NET_SMSC75XX) += smsc75xx.o obj-$(CONFIG_USB_NET_SMSC95XX) += smsc95xx.o obj-$(CONFIG_USB_NET_GL620A) += gl620a.o diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 1a482344b3f5..660bd5ea9fc0 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -1201,16 +1201,18 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) struct hso_serial *serial = urb->context; int status = urb->status; + D4("\n--- Got serial_read_bulk callback %02x ---", status); + /* sanity check */ if (!serial) { D1("serial == NULL"); return; - } else if (status) { + } + if (status) { handle_usb_error(status, __func__, serial->parent); return; } - D4("\n--- Got serial_read_bulk callback %02x ---", status); D1("Actual length = %d\n", urb->actual_length); DUMP1(urb->transfer_buffer, urb->actual_length); @@ -1218,25 +1220,13 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) if (serial->port.count == 0) return; - if (status == 0) { - if (serial->parent->port_spec & HSO_INFO_CRC_BUG) - fix_crc_bug(urb, serial->in_endp->wMaxPacketSize); - /* Valid data, handle RX data */ - spin_lock(&serial->serial_lock); - serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 1; - put_rxbuf_data_and_resubmit_bulk_urb(serial); - spin_unlock(&serial->serial_lock); - } else if (status == -ENOENT || status == -ECONNRESET) { - /* Unlinked - check for throttled port. */ - D2("Port %d, successfully unlinked urb", serial->minor); - spin_lock(&serial->serial_lock); - serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 0; - hso_resubmit_rx_bulk_urb(serial, urb); - spin_unlock(&serial->serial_lock); - } else { - D2("Port %d, status = %d for read urb", serial->minor, status); - return; - } + if (serial->parent->port_spec & HSO_INFO_CRC_BUG) + fix_crc_bug(urb, serial->in_endp->wMaxPacketSize); + /* Valid data, handle RX data */ + spin_lock(&serial->serial_lock); + serial->rx_urb_filled[hso_urb_to_index(serial, urb)] = 1; + put_rxbuf_data_and_resubmit_bulk_urb(serial); + spin_unlock(&serial->serial_lock); } /* diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 23bdd5b9274d..ff5c87128ffe 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -712,6 +712,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x1255, 3)}, {QMI_FIXED_INTF(0x19d2, 0x1255, 4)}, {QMI_FIXED_INTF(0x19d2, 0x1256, 4)}, + {QMI_FIXED_INTF(0x19d2, 0x1270, 5)}, /* ZTE MF667 */ {QMI_FIXED_INTF(0x19d2, 0x1401, 2)}, {QMI_FIXED_INTF(0x19d2, 0x1402, 2)}, /* ZTE MF60 */ {QMI_FIXED_INTF(0x19d2, 0x1424, 2)}, @@ -723,6 +724,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x68a2, 8)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ + {QMI_FIXED_INTF(0x1199, 0x9051, 8)}, /* Netgear AirCard 340U */ {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index e8fac732c6f1..d89dbe395ad2 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2273,15 +2273,6 @@ static int rtl8152_open(struct net_device *netdev) struct r8152 *tp = netdev_priv(netdev); int res = 0; - res = usb_submit_urb(tp->intr_urb, GFP_KERNEL); - if (res) { - if (res == -ENODEV) - netif_device_detach(tp->netdev); - netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n", - res); - return res; - } - rtl8152_set_speed(tp, AUTONEG_ENABLE, tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, DUPLEX_FULL); @@ -2289,6 +2280,14 @@ static int rtl8152_open(struct net_device *netdev) netif_carrier_off(netdev); netif_start_queue(netdev); set_bit(WORK_ENABLE, &tp->flags); + res = usb_submit_urb(tp->intr_urb, GFP_KERNEL); + if (res) { + if (res == -ENODEV) + netif_device_detach(tp->netdev); + netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n", + res); + } + return res; } @@ -2298,8 +2297,8 @@ static int rtl8152_close(struct net_device *netdev) struct r8152 *tp = netdev_priv(netdev); int res = 0; - usb_kill_urb(tp->intr_urb); clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); cancel_delayed_work_sync(&tp->schedule); netif_stop_queue(netdev); tasklet_disable(&tp->tl); diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c new file mode 100644 index 000000000000..4175eb9fdeca --- /dev/null +++ b/drivers/net/usb/sr9800.c @@ -0,0 +1,870 @@ +/* CoreChip-sz SR9800 one chip USB 2.0 Ethernet Devices + * + * Author : Liu Junliang + * + * Based on asix_common.c, asix_devices.c + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied.* + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "sr9800.h" + +static int sr_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, + u16 size, void *data) +{ + int err; + + err = usbnet_read_cmd(dev, cmd, SR_REQ_RD_REG, value, index, + data, size); + if ((err != size) && (err >= 0)) + err = -EINVAL; + + return err; +} + +static int sr_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index, + u16 size, void *data) +{ + int err; + + err = usbnet_write_cmd(dev, cmd, SR_REQ_WR_REG, value, index, + data, size); + if ((err != size) && (err >= 0)) + err = -EINVAL; + + return err; +} + +static void +sr_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index, + u16 size, void *data) +{ + usbnet_write_cmd_async(dev, cmd, SR_REQ_WR_REG, value, index, data, + size); +} + +static int sr_rx_fixup(struct usbnet *dev, struct sk_buff *skb) +{ + int offset = 0; + + while (offset + sizeof(u32) < skb->len) { + struct sk_buff *sr_skb; + u16 size; + u32 header = get_unaligned_le32(skb->data + offset); + + offset += sizeof(u32); + /* get the packet length */ + size = (u16) (header & 0x7ff); + if (size != ((~header >> 16) & 0x07ff)) { + netdev_err(dev->net, "%s : Bad Header Length\n", + __func__); + return 0; + } + + if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) || + (size + offset > skb->len)) { + netdev_err(dev->net, "%s : Bad RX Length %d\n", + __func__, size); + return 0; + } + sr_skb = netdev_alloc_skb_ip_align(dev->net, size); + if (!sr_skb) + return 0; + + skb_put(sr_skb, size); + memcpy(sr_skb->data, skb->data + offset, size); + usbnet_skb_return(dev, sr_skb); + + offset += (size + 1) & 0xfffe; + } + + if (skb->len != offset) { + netdev_err(dev->net, "%s : Bad SKB Length %d\n", __func__, + skb->len); + return 0; + } + + return 1; +} + +static struct sk_buff *sr_tx_fixup(struct usbnet *dev, struct sk_buff *skb, + gfp_t flags) +{ + int headroom = skb_headroom(skb); + int tailroom = skb_tailroom(skb); + u32 padbytes = 0xffff0000; + u32 packet_len; + int padlen; + + padlen = ((skb->len + 4) % (dev->maxpacket - 1)) ? 0 : 4; + + if ((!skb_cloned(skb)) && ((headroom + tailroom) >= (4 + padlen))) { + if ((headroom < 4) || (tailroom < padlen)) { + skb->data = memmove(skb->head + 4, skb->data, + skb->len); + skb_set_tail_pointer(skb, skb->len); + } + } else { + struct sk_buff *skb2; + skb2 = skb_copy_expand(skb, 4, padlen, flags); + dev_kfree_skb_any(skb); + skb = skb2; + if (!skb) + return NULL; + } + + skb_push(skb, 4); + packet_len = (((skb->len - 4) ^ 0x0000ffff) << 16) + (skb->len - 4); + cpu_to_le32s(&packet_len); + skb_copy_to_linear_data(skb, &packet_len, sizeof(packet_len)); + + if (padlen) { + cpu_to_le32s(&padbytes); + memcpy(skb_tail_pointer(skb), &padbytes, sizeof(padbytes)); + skb_put(skb, sizeof(padbytes)); + } + + return skb; +} + +static void sr_status(struct usbnet *dev, struct urb *urb) +{ + struct sr9800_int_data *event; + int link; + + if (urb->actual_length < 8) + return; + + event = urb->transfer_buffer; + link = event->link & 0x01; + if (netif_carrier_ok(dev->net) != link) { + usbnet_link_change(dev, link, 1); + netdev_dbg(dev->net, "Link Status is: %d\n", link); + } + + return; +} + +static inline int sr_set_sw_mii(struct usbnet *dev) +{ + int ret; + + ret = sr_write_cmd(dev, SR_CMD_SET_SW_MII, 0x0000, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to enable software MII access\n"); + return ret; +} + +static inline int sr_set_hw_mii(struct usbnet *dev) +{ + int ret; + + ret = sr_write_cmd(dev, SR_CMD_SET_HW_MII, 0x0000, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to enable hardware MII access\n"); + return ret; +} + +static inline int sr_get_phy_addr(struct usbnet *dev) +{ + u8 buf[2]; + int ret; + + ret = sr_read_cmd(dev, SR_CMD_READ_PHY_ID, 0, 0, 2, buf); + if (ret < 0) { + netdev_err(dev->net, "%s : Error reading PHYID register:%02x\n", + __func__, ret); + goto out; + } + netdev_dbg(dev->net, "%s : returning 0x%04x\n", __func__, + *((__le16 *)buf)); + + ret = buf[1]; + +out: + return ret; +} + +static int sr_sw_reset(struct usbnet *dev, u8 flags) +{ + int ret; + + ret = sr_write_cmd(dev, SR_CMD_SW_RESET, flags, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to send software reset:%02x\n", + ret); + + return ret; +} + +static u16 sr_read_rx_ctl(struct usbnet *dev) +{ + __le16 v; + int ret; + + ret = sr_read_cmd(dev, SR_CMD_READ_RX_CTL, 0, 0, 2, &v); + if (ret < 0) { + netdev_err(dev->net, "Error reading RX_CTL register:%02x\n", + ret); + goto out; + } + + ret = le16_to_cpu(v); +out: + return ret; +} + +static int sr_write_rx_ctl(struct usbnet *dev, u16 mode) +{ + int ret; + + netdev_dbg(dev->net, "%s : mode = 0x%04x\n", __func__, mode); + ret = sr_write_cmd(dev, SR_CMD_WRITE_RX_CTL, mode, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, + "Failed to write RX_CTL mode to 0x%04x:%02x\n", + mode, ret); + + return ret; +} + +static u16 sr_read_medium_status(struct usbnet *dev) +{ + __le16 v; + int ret; + + ret = sr_read_cmd(dev, SR_CMD_READ_MEDIUM_STATUS, 0, 0, 2, &v); + if (ret < 0) { + netdev_err(dev->net, + "Error reading Medium Status register:%02x\n", ret); + return ret; /* TODO: callers not checking for error ret */ + } + + return le16_to_cpu(v); +} + +static int sr_write_medium_mode(struct usbnet *dev, u16 mode) +{ + int ret; + + netdev_dbg(dev->net, "%s : mode = 0x%04x\n", __func__, mode); + ret = sr_write_cmd(dev, SR_CMD_WRITE_MEDIUM_MODE, mode, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, + "Failed to write Medium Mode mode to 0x%04x:%02x\n", + mode, ret); + return ret; +} + +static int sr_write_gpio(struct usbnet *dev, u16 value, int sleep) +{ + int ret; + + netdev_dbg(dev->net, "%s : value = 0x%04x\n", __func__, value); + ret = sr_write_cmd(dev, SR_CMD_WRITE_GPIOS, value, 0, 0, NULL); + if (ret < 0) + netdev_err(dev->net, "Failed to write GPIO value 0x%04x:%02x\n", + value, ret); + if (sleep) + msleep(sleep); + + return ret; +} + +/* SR9800 have a 16-bit RX_CTL value */ +static void sr_set_multicast(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + u16 rx_ctl = SR_DEFAULT_RX_CTL; + + if (net->flags & IFF_PROMISC) { + rx_ctl |= SR_RX_CTL_PRO; + } else if (net->flags & IFF_ALLMULTI || + netdev_mc_count(net) > SR_MAX_MCAST) { + rx_ctl |= SR_RX_CTL_AMALL; + } else if (netdev_mc_empty(net)) { + /* just broadcast and directed */ + } else { + /* We use the 20 byte dev->data + * for our 8 byte filter buffer + * to avoid allocating memory that + * is tricky to free later + */ + struct netdev_hw_addr *ha; + u32 crc_bits; + + memset(data->multi_filter, 0, SR_MCAST_FILTER_SIZE); + + /* Build the multicast hash filter. */ + netdev_for_each_mc_addr(ha, net) { + crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26; + data->multi_filter[crc_bits >> 3] |= + 1 << (crc_bits & 7); + } + + sr_write_cmd_async(dev, SR_CMD_WRITE_MULTI_FILTER, 0, 0, + SR_MCAST_FILTER_SIZE, data->multi_filter); + + rx_ctl |= SR_RX_CTL_AM; + } + + sr_write_cmd_async(dev, SR_CMD_WRITE_RX_CTL, rx_ctl, 0, 0, NULL); +} + +static int sr_mdio_read(struct net_device *net, int phy_id, int loc) +{ + struct usbnet *dev = netdev_priv(net); + __le16 res; + + mutex_lock(&dev->phy_mutex); + sr_set_sw_mii(dev); + sr_read_cmd(dev, SR_CMD_READ_MII_REG, phy_id, (__u16)loc, 2, &res); + sr_set_hw_mii(dev); + mutex_unlock(&dev->phy_mutex); + + netdev_dbg(dev->net, + "%s : phy_id=0x%02x, loc=0x%02x, returns=0x%04x\n", __func__, + phy_id, loc, le16_to_cpu(res)); + + return le16_to_cpu(res); +} + +static void +sr_mdio_write(struct net_device *net, int phy_id, int loc, int val) +{ + struct usbnet *dev = netdev_priv(net); + __le16 res = cpu_to_le16(val); + + netdev_dbg(dev->net, + "%s : phy_id=0x%02x, loc=0x%02x, val=0x%04x\n", __func__, + phy_id, loc, val); + mutex_lock(&dev->phy_mutex); + sr_set_sw_mii(dev); + sr_write_cmd(dev, SR_CMD_WRITE_MII_REG, phy_id, (__u16)loc, 2, &res); + sr_set_hw_mii(dev); + mutex_unlock(&dev->phy_mutex); +} + +/* Get the PHY Identifier from the PHYSID1 & PHYSID2 MII registers */ +static u32 sr_get_phyid(struct usbnet *dev) +{ + int phy_reg; + u32 phy_id; + int i; + + /* Poll for the rare case the FW or phy isn't ready yet. */ + for (i = 0; i < 100; i++) { + phy_reg = sr_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID1); + if (phy_reg != 0 && phy_reg != 0xFFFF) + break; + mdelay(1); + } + + if (phy_reg <= 0 || phy_reg == 0xFFFF) + return 0; + + phy_id = (phy_reg & 0xffff) << 16; + + phy_reg = sr_mdio_read(dev->net, dev->mii.phy_id, MII_PHYSID2); + if (phy_reg < 0) + return 0; + + phy_id |= (phy_reg & 0xffff); + + return phy_id; +} + +static void +sr_get_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) +{ + struct usbnet *dev = netdev_priv(net); + u8 opt; + + if (sr_read_cmd(dev, SR_CMD_READ_MONITOR_MODE, 0, 0, 1, &opt) < 0) { + wolinfo->supported = 0; + wolinfo->wolopts = 0; + return; + } + wolinfo->supported = WAKE_PHY | WAKE_MAGIC; + wolinfo->wolopts = 0; + if (opt & SR_MONITOR_LINK) + wolinfo->wolopts |= WAKE_PHY; + if (opt & SR_MONITOR_MAGIC) + wolinfo->wolopts |= WAKE_MAGIC; +} + +static int +sr_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo) +{ + struct usbnet *dev = netdev_priv(net); + u8 opt = 0; + + if (wolinfo->wolopts & WAKE_PHY) + opt |= SR_MONITOR_LINK; + if (wolinfo->wolopts & WAKE_MAGIC) + opt |= SR_MONITOR_MAGIC; + + if (sr_write_cmd(dev, SR_CMD_WRITE_MONITOR_MODE, + opt, 0, 0, NULL) < 0) + return -EINVAL; + + return 0; +} + +static int sr_get_eeprom_len(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + + return data->eeprom_len; +} + +static int sr_get_eeprom(struct net_device *net, + struct ethtool_eeprom *eeprom, u8 *data) +{ + struct usbnet *dev = netdev_priv(net); + __le16 *ebuf = (__le16 *)data; + int ret; + int i; + + /* Crude hack to ensure that we don't overwrite memory + * if an odd length is supplied + */ + if (eeprom->len % 2) + return -EINVAL; + + eeprom->magic = SR_EEPROM_MAGIC; + + /* sr9800 returns 2 bytes from eeprom on read */ + for (i = 0; i < eeprom->len / 2; i++) { + ret = sr_read_cmd(dev, SR_CMD_READ_EEPROM, eeprom->offset + i, + 0, 2, &ebuf[i]); + if (ret < 0) + return -EINVAL; + } + return 0; +} + +static void sr_get_drvinfo(struct net_device *net, + struct ethtool_drvinfo *info) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + + /* Inherit standard device info */ + usbnet_get_drvinfo(net, info); + strncpy(info->driver, DRIVER_NAME, sizeof(info->driver)); + strncpy(info->version, DRIVER_VERSION, sizeof(info->version)); + info->eedump_len = data->eeprom_len; +} + +static u32 sr_get_link(struct net_device *net) +{ + struct usbnet *dev = netdev_priv(net); + + return mii_link_ok(&dev->mii); +} + +static int sr_ioctl(struct net_device *net, struct ifreq *rq, int cmd) +{ + struct usbnet *dev = netdev_priv(net); + + return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL); +} + +static int sr_set_mac_address(struct net_device *net, void *p) +{ + struct usbnet *dev = netdev_priv(net); + struct sr_data *data = (struct sr_data *)&dev->data; + struct sockaddr *addr = p; + + if (netif_running(net)) + return -EBUSY; + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + memcpy(net->dev_addr, addr->sa_data, ETH_ALEN); + + /* We use the 20 byte dev->data + * for our 6 byte mac buffer + * to avoid allocating memory that + * is tricky to free later + */ + memcpy(data->mac_addr, addr->sa_data, ETH_ALEN); + sr_write_cmd_async(dev, SR_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, + data->mac_addr); + + return 0; +} + +static const struct ethtool_ops sr9800_ethtool_ops = { + .get_drvinfo = sr_get_drvinfo, + .get_link = sr_get_link, + .get_msglevel = usbnet_get_msglevel, + .set_msglevel = usbnet_set_msglevel, + .get_wol = sr_get_wol, + .set_wol = sr_set_wol, + .get_eeprom_len = sr_get_eeprom_len, + .get_eeprom = sr_get_eeprom, + .get_settings = usbnet_get_settings, + .set_settings = usbnet_set_settings, + .nway_reset = usbnet_nway_reset, +}; + +static int sr9800_link_reset(struct usbnet *dev) +{ + struct ethtool_cmd ecmd = { .cmd = ETHTOOL_GSET }; + u16 mode; + + mii_check_media(&dev->mii, 1, 1); + mii_ethtool_gset(&dev->mii, &ecmd); + mode = SR9800_MEDIUM_DEFAULT; + + if (ethtool_cmd_speed(&ecmd) != SPEED_100) + mode &= ~SR_MEDIUM_PS; + + if (ecmd.duplex != DUPLEX_FULL) + mode &= ~SR_MEDIUM_FD; + + netdev_dbg(dev->net, "%s : speed: %u duplex: %d mode: 0x%04x\n", + __func__, ethtool_cmd_speed(&ecmd), ecmd.duplex, mode); + + sr_write_medium_mode(dev, mode); + + return 0; +} + + +static int sr9800_set_default_mode(struct usbnet *dev) +{ + u16 rx_ctl; + int ret; + + sr_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET); + sr_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE, + ADVERTISE_ALL | ADVERTISE_CSMA); + mii_nway_restart(&dev->mii); + + ret = sr_write_medium_mode(dev, SR9800_MEDIUM_DEFAULT); + if (ret < 0) + goto out; + + ret = sr_write_cmd(dev, SR_CMD_WRITE_IPG012, + SR9800_IPG0_DEFAULT | SR9800_IPG1_DEFAULT, + SR9800_IPG2_DEFAULT, 0, NULL); + if (ret < 0) { + netdev_dbg(dev->net, "Write IPG,IPG1,IPG2 failed: %d\n", ret); + goto out; + } + + /* Set RX_CTL to default values with 2k buffer, and enable cactus */ + ret = sr_write_rx_ctl(dev, SR_DEFAULT_RX_CTL); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x after all initializations\n", + rx_ctl); + + rx_ctl = sr_read_medium_status(dev); + netdev_dbg(dev->net, "Medium Status:0x%04x after all initializations\n", + rx_ctl); + + return 0; +out: + return ret; +} + +static int sr9800_reset(struct usbnet *dev) +{ + struct sr_data *data = (struct sr_data *)&dev->data; + int ret, embd_phy; + u16 rx_ctl; + + ret = sr_write_gpio(dev, + SR_GPIO_RSE | SR_GPIO_GPO_2 | SR_GPIO_GPO2EN, 5); + if (ret < 0) + goto out; + + embd_phy = ((sr_get_phy_addr(dev) & 0x1f) == 0x10 ? 1 : 0); + + ret = sr_write_cmd(dev, SR_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL); + if (ret < 0) { + netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); + goto out; + } + + ret = sr_sw_reset(dev, SR_SWRESET_IPPD | SR_SWRESET_PRL); + if (ret < 0) + goto out; + + msleep(150); + + ret = sr_sw_reset(dev, SR_SWRESET_CLEAR); + if (ret < 0) + goto out; + + msleep(150); + + if (embd_phy) { + ret = sr_sw_reset(dev, SR_SWRESET_IPRL); + if (ret < 0) + goto out; + } else { + ret = sr_sw_reset(dev, SR_SWRESET_PRTE); + if (ret < 0) + goto out; + } + + msleep(150); + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl); + ret = sr_write_rx_ctl(dev, 0x0000); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl); + + ret = sr_sw_reset(dev, SR_SWRESET_PRL); + if (ret < 0) + goto out; + + msleep(150); + + ret = sr_sw_reset(dev, SR_SWRESET_IPRL | SR_SWRESET_PRL); + if (ret < 0) + goto out; + + msleep(150); + + ret = sr9800_set_default_mode(dev); + if (ret < 0) + goto out; + + /* Rewrite MAC address */ + memcpy(data->mac_addr, dev->net->dev_addr, ETH_ALEN); + ret = sr_write_cmd(dev, SR_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN, + data->mac_addr); + if (ret < 0) + goto out; + + return 0; + +out: + return ret; +} + +static const struct net_device_ops sr9800_netdev_ops = { + .ndo_open = usbnet_open, + .ndo_stop = usbnet_stop, + .ndo_start_xmit = usbnet_start_xmit, + .ndo_tx_timeout = usbnet_tx_timeout, + .ndo_change_mtu = usbnet_change_mtu, + .ndo_set_mac_address = sr_set_mac_address, + .ndo_validate_addr = eth_validate_addr, + .ndo_do_ioctl = sr_ioctl, + .ndo_set_rx_mode = sr_set_multicast, +}; + +static int sr9800_phy_powerup(struct usbnet *dev) +{ + int ret; + + /* set the embedded Ethernet PHY in power-down state */ + ret = sr_sw_reset(dev, SR_SWRESET_IPPD | SR_SWRESET_IPRL); + if (ret < 0) { + netdev_err(dev->net, "Failed to power down PHY : %d\n", ret); + return ret; + } + msleep(20); + + /* set the embedded Ethernet PHY in power-up state */ + ret = sr_sw_reset(dev, SR_SWRESET_IPRL); + if (ret < 0) { + netdev_err(dev->net, "Failed to reset PHY: %d\n", ret); + return ret; + } + msleep(600); + + /* set the embedded Ethernet PHY in reset state */ + ret = sr_sw_reset(dev, SR_SWRESET_CLEAR); + if (ret < 0) { + netdev_err(dev->net, "Failed to power up PHY: %d\n", ret); + return ret; + } + msleep(20); + + /* set the embedded Ethernet PHY in power-up state */ + ret = sr_sw_reset(dev, SR_SWRESET_IPRL); + if (ret < 0) { + netdev_err(dev->net, "Failed to reset PHY: %d\n", ret); + return ret; + } + + return 0; +} + +static int sr9800_bind(struct usbnet *dev, struct usb_interface *intf) +{ + struct sr_data *data = (struct sr_data *)&dev->data; + u16 led01_mux, led23_mux; + int ret, embd_phy; + u32 phyid; + u16 rx_ctl; + + data->eeprom_len = SR9800_EEPROM_LEN; + + usbnet_get_endpoints(dev, intf); + + /* LED Setting Rule : + * AABB:CCDD + * AA : MFA0(LED0) + * BB : MFA1(LED1) + * CC : MFA2(LED2), Reserved for SR9800 + * DD : MFA3(LED3), Reserved for SR9800 + */ + led01_mux = (SR_LED_MUX_LINK_ACTIVE << 8) | SR_LED_MUX_LINK; + led23_mux = (SR_LED_MUX_LINK_ACTIVE << 8) | SR_LED_MUX_TX_ACTIVE; + ret = sr_write_cmd(dev, SR_CMD_LED_MUX, led01_mux, led23_mux, 0, NULL); + if (ret < 0) { + netdev_err(dev->net, "set LINK LED failed : %d\n", ret); + goto out; + } + + /* Get the MAC address */ + ret = sr_read_cmd(dev, SR_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, + dev->net->dev_addr); + if (ret < 0) { + netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); + return ret; + } + netdev_dbg(dev->net, "mac addr : %pM\n", dev->net->dev_addr); + + /* Initialize MII structure */ + dev->mii.dev = dev->net; + dev->mii.mdio_read = sr_mdio_read; + dev->mii.mdio_write = sr_mdio_write; + dev->mii.phy_id_mask = 0x1f; + dev->mii.reg_num_mask = 0x1f; + dev->mii.phy_id = sr_get_phy_addr(dev); + + dev->net->netdev_ops = &sr9800_netdev_ops; + dev->net->ethtool_ops = &sr9800_ethtool_ops; + + embd_phy = ((dev->mii.phy_id & 0x1f) == 0x10 ? 1 : 0); + /* Reset the PHY to normal operation mode */ + ret = sr_write_cmd(dev, SR_CMD_SW_PHY_SELECT, embd_phy, 0, 0, NULL); + if (ret < 0) { + netdev_dbg(dev->net, "Select PHY #1 failed: %d\n", ret); + return ret; + } + + /* Init PHY routine */ + ret = sr9800_phy_powerup(dev); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x after software reset\n", rx_ctl); + ret = sr_write_rx_ctl(dev, 0x0000); + if (ret < 0) + goto out; + + rx_ctl = sr_read_rx_ctl(dev); + netdev_dbg(dev->net, "RX_CTL is 0x%04x setting to 0x0000\n", rx_ctl); + + /* Read PHYID register *AFTER* the PHY was reset properly */ + phyid = sr_get_phyid(dev); + netdev_dbg(dev->net, "PHYID=0x%08x\n", phyid); + + /* medium mode setting */ + ret = sr9800_set_default_mode(dev); + if (ret < 0) + goto out; + + if (dev->udev->speed == USB_SPEED_HIGH) { + ret = sr_write_cmd(dev, SR_CMD_BULKIN_SIZE, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_4K].byte_cnt, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_4K].threshold, + 0, NULL); + if (ret < 0) { + netdev_err(dev->net, "Reset RX_CTL failed: %d\n", ret); + goto out; + } + dev->rx_urb_size = + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_4K].size; + } else { + ret = sr_write_cmd(dev, SR_CMD_BULKIN_SIZE, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_2K].byte_cnt, + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_2K].threshold, + 0, NULL); + if (ret < 0) { + netdev_err(dev->net, "Reset RX_CTL failed: %d\n", ret); + goto out; + } + dev->rx_urb_size = + SR9800_BULKIN_SIZE[SR9800_MAX_BULKIN_2K].size; + } + netdev_dbg(dev->net, "%s : setting rx_urb_size with : %ld\n", __func__, + dev->rx_urb_size); + return 0; + +out: + return ret; +} + +static const struct driver_info sr9800_driver_info = { + .description = "CoreChip SR9800 USB 2.0 Ethernet", + .bind = sr9800_bind, + .status = sr_status, + .link_reset = sr9800_link_reset, + .reset = sr9800_reset, + .flags = DRIVER_FLAG, + .rx_fixup = sr_rx_fixup, + .tx_fixup = sr_tx_fixup, +}; + +static const struct usb_device_id products[] = { + { + USB_DEVICE(0x0fe6, 0x9800), /* SR9800 Device */ + .driver_info = (unsigned long) &sr9800_driver_info, + }, + {}, /* END */ +}; + +MODULE_DEVICE_TABLE(usb, products); + +static struct usb_driver sr_driver = { + .name = DRIVER_NAME, + .id_table = products, + .probe = usbnet_probe, + .suspend = usbnet_suspend, + .resume = usbnet_resume, + .disconnect = usbnet_disconnect, + .supports_autosuspend = 1, +}; + +module_usb_driver(sr_driver); + +MODULE_AUTHOR("Liu Junliang + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#ifndef _SR9800_H +#define _SR9800_H + +/* SR9800 spec. command table on Linux Platform */ + +/* command : Software Station Management Control Reg */ +#define SR_CMD_SET_SW_MII 0x06 +/* command : PHY Read Reg */ +#define SR_CMD_READ_MII_REG 0x07 +/* command : PHY Write Reg */ +#define SR_CMD_WRITE_MII_REG 0x08 +/* command : Hardware Station Management Control Reg */ +#define SR_CMD_SET_HW_MII 0x0a +/* command : SROM Read Reg */ +#define SR_CMD_READ_EEPROM 0x0b +/* command : SROM Write Reg */ +#define SR_CMD_WRITE_EEPROM 0x0c +/* command : SROM Write Enable Reg */ +#define SR_CMD_WRITE_ENABLE 0x0d +/* command : SROM Write Disable Reg */ +#define SR_CMD_WRITE_DISABLE 0x0e +/* command : RX Control Read Reg */ +#define SR_CMD_READ_RX_CTL 0x0f +#define SR_RX_CTL_PRO (1 << 0) +#define SR_RX_CTL_AMALL (1 << 1) +#define SR_RX_CTL_SEP (1 << 2) +#define SR_RX_CTL_AB (1 << 3) +#define SR_RX_CTL_AM (1 << 4) +#define SR_RX_CTL_AP (1 << 5) +#define SR_RX_CTL_ARP (1 << 6) +#define SR_RX_CTL_SO (1 << 7) +#define SR_RX_CTL_RH1M (1 << 8) +#define SR_RX_CTL_RH2M (1 << 9) +#define SR_RX_CTL_RH3M (1 << 10) +/* command : RX Control Write Reg */ +#define SR_CMD_WRITE_RX_CTL 0x10 +/* command : IPG0/IPG1/IPG2 Control Read Reg */ +#define SR_CMD_READ_IPG012 0x11 +/* command : IPG0/IPG1/IPG2 Control Write Reg */ +#define SR_CMD_WRITE_IPG012 0x12 +/* command : Node ID Read Reg */ +#define SR_CMD_READ_NODE_ID 0x13 +/* command : Node ID Write Reg */ +#define SR_CMD_WRITE_NODE_ID 0x14 +/* command : Multicast Filter Array Read Reg */ +#define SR_CMD_READ_MULTI_FILTER 0x15 +/* command : Multicast Filter Array Write Reg */ +#define SR_CMD_WRITE_MULTI_FILTER 0x16 +/* command : Eth/HomePNA PHY Address Reg */ +#define SR_CMD_READ_PHY_ID 0x19 +/* command : Medium Status Read Reg */ +#define SR_CMD_READ_MEDIUM_STATUS 0x1a +#define SR_MONITOR_LINK (1 << 1) +#define SR_MONITOR_MAGIC (1 << 2) +#define SR_MONITOR_HSFS (1 << 4) +/* command : Medium Status Write Reg */ +#define SR_CMD_WRITE_MEDIUM_MODE 0x1b +#define SR_MEDIUM_GM (1 << 0) +#define SR_MEDIUM_FD (1 << 1) +#define SR_MEDIUM_AC (1 << 2) +#define SR_MEDIUM_ENCK (1 << 3) +#define SR_MEDIUM_RFC (1 << 4) +#define SR_MEDIUM_TFC (1 << 5) +#define SR_MEDIUM_JFE (1 << 6) +#define SR_MEDIUM_PF (1 << 7) +#define SR_MEDIUM_RE (1 << 8) +#define SR_MEDIUM_PS (1 << 9) +#define SR_MEDIUM_RSV (1 << 10) +#define SR_MEDIUM_SBP (1 << 11) +#define SR_MEDIUM_SM (1 << 12) +/* command : Monitor Mode Status Read Reg */ +#define SR_CMD_READ_MONITOR_MODE 0x1c +/* command : Monitor Mode Status Write Reg */ +#define SR_CMD_WRITE_MONITOR_MODE 0x1d +/* command : GPIO Status Read Reg */ +#define SR_CMD_READ_GPIOS 0x1e +#define SR_GPIO_GPO0EN (1 << 0) /* GPIO0 Output enable */ +#define SR_GPIO_GPO_0 (1 << 1) /* GPIO0 Output value */ +#define SR_GPIO_GPO1EN (1 << 2) /* GPIO1 Output enable */ +#define SR_GPIO_GPO_1 (1 << 3) /* GPIO1 Output value */ +#define SR_GPIO_GPO2EN (1 << 4) /* GPIO2 Output enable */ +#define SR_GPIO_GPO_2 (1 << 5) /* GPIO2 Output value */ +#define SR_GPIO_RESERVED (1 << 6) /* Reserved */ +#define SR_GPIO_RSE (1 << 7) /* Reload serial EEPROM */ +/* command : GPIO Status Write Reg */ +#define SR_CMD_WRITE_GPIOS 0x1f +/* command : Eth PHY Power and Reset Control Reg */ +#define SR_CMD_SW_RESET 0x20 +#define SR_SWRESET_CLEAR 0x00 +#define SR_SWRESET_RR (1 << 0) +#define SR_SWRESET_RT (1 << 1) +#define SR_SWRESET_PRTE (1 << 2) +#define SR_SWRESET_PRL (1 << 3) +#define SR_SWRESET_BZ (1 << 4) +#define SR_SWRESET_IPRL (1 << 5) +#define SR_SWRESET_IPPD (1 << 6) +/* command : Software Interface Selection Status Read Reg */ +#define SR_CMD_SW_PHY_STATUS 0x21 +/* command : Software Interface Selection Status Write Reg */ +#define SR_CMD_SW_PHY_SELECT 0x22 +/* command : BULK in Buffer Size Reg */ +#define SR_CMD_BULKIN_SIZE 0x2A +/* command : LED_MUX Control Reg */ +#define SR_CMD_LED_MUX 0x70 +#define SR_LED_MUX_TX_ACTIVE (1 << 0) +#define SR_LED_MUX_RX_ACTIVE (1 << 1) +#define SR_LED_MUX_COLLISION (1 << 2) +#define SR_LED_MUX_DUP_COL (1 << 3) +#define SR_LED_MUX_DUP (1 << 4) +#define SR_LED_MUX_SPEED (1 << 5) +#define SR_LED_MUX_LINK_ACTIVE (1 << 6) +#define SR_LED_MUX_LINK (1 << 7) + +/* Register Access Flags */ +#define SR_REQ_RD_REG (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE) +#define SR_REQ_WR_REG (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE) + +/* Multicast Filter Array size & Max Number */ +#define SR_MCAST_FILTER_SIZE 8 +#define SR_MAX_MCAST 64 + +/* IPG0/1/2 Default Value */ +#define SR9800_IPG0_DEFAULT 0x15 +#define SR9800_IPG1_DEFAULT 0x0c +#define SR9800_IPG2_DEFAULT 0x12 + +/* Medium Status Default Mode */ +#define SR9800_MEDIUM_DEFAULT \ + (SR_MEDIUM_FD | SR_MEDIUM_RFC | \ + SR_MEDIUM_TFC | SR_MEDIUM_PS | \ + SR_MEDIUM_AC | SR_MEDIUM_RE) + +/* RX Control Default Setting */ +#define SR_DEFAULT_RX_CTL \ + (SR_RX_CTL_SO | SR_RX_CTL_AB | SR_RX_CTL_RH1M) + +/* EEPROM Magic Number & EEPROM Size */ +#define SR_EEPROM_MAGIC 0xdeadbeef +#define SR9800_EEPROM_LEN 0xff + +/* SR9800 Driver Version and Driver Name */ +#define DRIVER_VERSION "11-Nov-2013" +#define DRIVER_NAME "CoreChips" +#define DRIVER_FLAG \ + (FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET) + +/* SR9800 BULKIN Buffer Size */ +#define SR9800_MAX_BULKIN_2K 0 +#define SR9800_MAX_BULKIN_4K 1 +#define SR9800_MAX_BULKIN_6K 2 +#define SR9800_MAX_BULKIN_8K 3 +#define SR9800_MAX_BULKIN_16K 4 +#define SR9800_MAX_BULKIN_20K 5 +#define SR9800_MAX_BULKIN_24K 6 +#define SR9800_MAX_BULKIN_32K 7 + +struct {unsigned short size, byte_cnt, threshold; } SR9800_BULKIN_SIZE[] = { + /* 2k */ + {2048, 0x8000, 0x8001}, + /* 4k */ + {4096, 0x8100, 0x8147}, + /* 6k */ + {6144, 0x8200, 0x81EB}, + /* 8k */ + {8192, 0x8300, 0x83D7}, + /* 16 */ + {16384, 0x8400, 0x851E}, + /* 20k */ + {20480, 0x8500, 0x8666}, + /* 24k */ + {24576, 0x8600, 0x87AE}, + /* 32k */ + {32768, 0x8700, 0x8A3D}, +}; + +/* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */ +struct sr_data { + u8 multi_filter[SR_MCAST_FILTER_SIZE]; + u8 mac_addr[ETH_ALEN]; + u8 phymode; + u8 ledmode; + u8 eeprom_len; +}; + +struct sr9800_int_data { + __le16 res1; + u8 link; + __le16 res2; + u8 status; + __le16 res3; +} __packed; + +#endif /* _SR9800_H */ diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 026a313c2d2d..b0f705c2378f 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -469,7 +469,6 @@ static inline struct hlist_head *vxlan_fdb_head(struct vxlan_dev *vxlan, /* Look up Ethernet address in forwarding table */ static struct vxlan_fdb *__vxlan_find_mac(struct vxlan_dev *vxlan, const u8 *mac) - { struct hlist_head *head = vxlan_fdb_head(vxlan, mac); struct vxlan_fdb *f; @@ -596,10 +595,8 @@ static struct sk_buff **vxlan_gro_receive(struct sk_buff **head, struct sk_buff NAPI_GRO_CB(p)->same_flow = 0; continue; } - goto found; } -found: type = eh->h_proto; rcu_read_lock(); diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c index 0d1c7592efa0..19f7cb2cdef3 100644 --- a/drivers/net/wan/dlci.c +++ b/drivers/net/wan/dlci.c @@ -71,12 +71,9 @@ static int dlci_header(struct sk_buff *skb, struct net_device *dev, const void *saddr, unsigned len) { struct frhdr hdr; - struct dlci_local *dlp; unsigned int hlen; char *dest; - dlp = netdev_priv(dev); - hdr.control = FRAD_I_UI; switch (type) { @@ -107,11 +104,9 @@ static int dlci_header(struct sk_buff *skb, struct net_device *dev, static void dlci_receive(struct sk_buff *skb, struct net_device *dev) { - struct dlci_local *dlp; struct frhdr *hdr; int process, header; - dlp = netdev_priv(dev); if (!pskb_may_pull(skb, sizeof(*hdr))) { netdev_notice(dev, "invalid data no header\n"); dev->stats.rx_errors++; diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c index 8aa20df55e50..507d9a9ee69a 100644 --- a/drivers/net/wireless/ath/ar5523/ar5523.c +++ b/drivers/net/wireless/ath/ar5523/ar5523.c @@ -1764,7 +1764,7 @@ static struct usb_device_id ar5523_id_table[] = { AR5523_DEVICE_UG(0x07d1, 0x3a07), /* D-Link / WUA-2340 rev A1 */ AR5523_DEVICE_UG(0x1690, 0x0712), /* Gigaset / AR5523 */ AR5523_DEVICE_UG(0x1690, 0x0710), /* Gigaset / SMCWUSBTG */ - AR5523_DEVICE_UG(0x129b, 0x160c), /* Gigaset / USB stick 108 + AR5523_DEVICE_UG(0x129b, 0x160b), /* Gigaset / USB stick 108 (CyberTAN Technology) */ AR5523_DEVICE_UG(0x16ab, 0x7801), /* Globalsun / AR5523_1 */ AR5523_DEVICE_UX(0x16ab, 0x7811), /* Globalsun / AR5523_2 */ diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 25243cbc07f0..b8daff78b9d1 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -5065,6 +5065,10 @@ static u16 ar9003_hw_get_max_edge_power(struct ar9300_eeprom *eep, break; } } + + if (is2GHz && !twiceMaxEdgePower) + twiceMaxEdgePower = 60; + return twiceMaxEdgePower; } diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 58da3468d1f0..99a203174f45 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -262,6 +262,8 @@ enum tid_aggr_state { struct ath9k_htc_sta { u8 index; enum tid_aggr_state tid_state[ATH9K_HTC_MAX_TID]; + struct work_struct rc_update_work; + struct ath9k_htc_priv *htc_priv; }; #define ATH9K_HTC_RXBUF 256 diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_init.c b/drivers/net/wireless/ath/ath9k/htc_drv_init.c index f4e1de20d99c..c57d6b859c04 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_init.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_init.c @@ -34,6 +34,10 @@ static int ath9k_htc_btcoex_enable; module_param_named(btcoex_enable, ath9k_htc_btcoex_enable, int, 0444); MODULE_PARM_DESC(btcoex_enable, "Enable wifi-BT coexistence"); +static int ath9k_ps_enable; +module_param_named(ps_enable, ath9k_ps_enable, int, 0444); +MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave"); + #define CHAN2G(_freq, _idx) { \ .center_freq = (_freq), \ .hw_value = (_idx), \ @@ -725,12 +729,14 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv, IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_HAS_RATE_CONTROL | IEEE80211_HW_RX_INCLUDES_FCS | - IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_MFP_CAPABLE | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING; + if (ath9k_ps_enable) + hw->flags |= IEEE80211_HW_SUPPORTS_PS; + hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC) | diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 608d739d1378..c9254a61ca52 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1270,18 +1270,50 @@ static void ath9k_htc_configure_filter(struct ieee80211_hw *hw, mutex_unlock(&priv->mutex); } +static void ath9k_htc_sta_rc_update_work(struct work_struct *work) +{ + struct ath9k_htc_sta *ista = + container_of(work, struct ath9k_htc_sta, rc_update_work); + struct ieee80211_sta *sta = + container_of((void *)ista, struct ieee80211_sta, drv_priv); + struct ath9k_htc_priv *priv = ista->htc_priv; + struct ath_common *common = ath9k_hw_common(priv->ah); + struct ath9k_htc_target_rate trate; + + mutex_lock(&priv->mutex); + ath9k_htc_ps_wakeup(priv); + + memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); + ath9k_htc_setup_rate(priv, sta, &trate); + if (!ath9k_htc_send_rate_cmd(priv, &trate)) + ath_dbg(common, CONFIG, + "Supported rates for sta: %pM updated, rate caps: 0x%X\n", + sta->addr, be32_to_cpu(trate.capflags)); + else + ath_dbg(common, CONFIG, + "Unable to update supported rates for sta: %pM\n", + sta->addr); + + ath9k_htc_ps_restore(priv); + mutex_unlock(&priv->mutex); +} + static int ath9k_htc_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta) { struct ath9k_htc_priv *priv = hw->priv; + struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; int ret; mutex_lock(&priv->mutex); ath9k_htc_ps_wakeup(priv); ret = ath9k_htc_add_station(priv, vif, sta); - if (!ret) + if (!ret) { + INIT_WORK(&ista->rc_update_work, ath9k_htc_sta_rc_update_work); + ista->htc_priv = priv; ath9k_htc_init_rate(priv, sta); + } ath9k_htc_ps_restore(priv); mutex_unlock(&priv->mutex); @@ -1293,12 +1325,13 @@ static int ath9k_htc_sta_remove(struct ieee80211_hw *hw, struct ieee80211_sta *sta) { struct ath9k_htc_priv *priv = hw->priv; - struct ath9k_htc_sta *ista; + struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; int ret; + cancel_work_sync(&ista->rc_update_work); + mutex_lock(&priv->mutex); ath9k_htc_ps_wakeup(priv); - ista = (struct ath9k_htc_sta *) sta->drv_priv; htc_sta_drain(priv->htc, ista->index); ret = ath9k_htc_remove_station(priv, vif, sta); ath9k_htc_ps_restore(priv); @@ -1311,28 +1344,12 @@ static void ath9k_htc_sta_rc_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_sta *sta, u32 changed) { - struct ath9k_htc_priv *priv = hw->priv; - struct ath_common *common = ath9k_hw_common(priv->ah); - struct ath9k_htc_target_rate trate; + struct ath9k_htc_sta *ista = (struct ath9k_htc_sta *) sta->drv_priv; - mutex_lock(&priv->mutex); - ath9k_htc_ps_wakeup(priv); + if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED)) + return; - if (changed & IEEE80211_RC_SUPP_RATES_CHANGED) { - memset(&trate, 0, sizeof(struct ath9k_htc_target_rate)); - ath9k_htc_setup_rate(priv, sta, &trate); - if (!ath9k_htc_send_rate_cmd(priv, &trate)) - ath_dbg(common, CONFIG, - "Supported rates for sta: %pM updated, rate caps: 0x%X\n", - sta->addr, be32_to_cpu(trate.capflags)); - else - ath_dbg(common, CONFIG, - "Unable to update supported rates for sta: %pM\n", - sta->addr); - } - - ath9k_htc_ps_restore(priv); - mutex_unlock(&priv->mutex); + schedule_work(&ista->rc_update_work); } static int ath9k_htc_conf_tx(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index fbf43c05713f..11eab9f01fd8 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1316,7 +1316,7 @@ static bool ath9k_hw_set_reset(struct ath_hw *ah, int type) if (AR_SREV_9300_20_OR_LATER(ah)) udelay(50); else if (AR_SREV_9100(ah)) - udelay(10000); + mdelay(10); else udelay(100); @@ -2051,9 +2051,8 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah) REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); - if (AR_SREV_9100(ah)) - udelay(10000); + mdelay(10); else udelay(50); diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index c36de303c8f3..1fc2e5a26b52 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -57,6 +57,10 @@ static int ath9k_bt_ant_diversity; module_param_named(bt_ant_diversity, ath9k_bt_ant_diversity, int, 0444); MODULE_PARM_DESC(bt_ant_diversity, "Enable WLAN/BT RX antenna diversity"); +static int ath9k_ps_enable; +module_param_named(ps_enable, ath9k_ps_enable, int, 0444); +MODULE_PARM_DESC(ps_enable, "Enable WLAN PowerSave"); + bool is_ath9k_unloaded; /* We use the hw_value as an index into our private channel structure */ @@ -903,13 +907,15 @@ static void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SUPPORTS_RC_TABLE | IEEE80211_HW_SUPPORTS_HT_CCK_RATES; + if (ath9k_ps_enable) + hw->flags |= IEEE80211_HW_SUPPORTS_PS; + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) { hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c index f06f4cbe1317..725e954d8475 100644 --- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c +++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c @@ -182,6 +182,11 @@ static int iwl_init_channel_map(struct device *dev, const struct iwl_cfg *cfg, for (ch_idx = 0; ch_idx < IWL_NUM_CHANNELS; ch_idx++) { ch_flags = __le16_to_cpup(nvm_ch_flags + ch_idx); + + if (ch_idx >= NUM_2GHZ_CHANNELS && + !data->sku_cap_band_52GHz_enable) + ch_flags &= ~NVM_CHANNEL_VALID; + if (!(ch_flags & NVM_CHANNEL_VALID)) { IWL_DEBUG_EEPROM(dev, "Ch. %d Flags %x [%sGHz] - No traffic\n", diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h index 73cbba7424f2..9426905de6b2 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h @@ -504,6 +504,7 @@ struct iwl_scan_offload_profile { * @match_notify: clients waiting for match found notification * @pass_match: clients waiting for the results * @active_clients: active clients bitmap - enum scan_framework_client + * @any_beacon_notify: clients waiting for match notification without match */ struct iwl_scan_offload_profile_cfg { struct iwl_scan_offload_profile profiles[IWL_SCAN_MAX_PROFILES]; @@ -512,7 +513,8 @@ struct iwl_scan_offload_profile_cfg { u8 match_notify; u8 pass_match; u8 active_clients; - u8 reserved[3]; + u8 any_beacon_notify; + u8 reserved[2]; } __packed; /** diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index c49b5073c251..6bf9766e5982 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -246,7 +246,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) else hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; - if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) { + if (0 && mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_SCHED_SCAN) { hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_SCHED_SCAN; hw->wiphy->max_sched_scan_ssids = PROBE_OPTION_MAX; hw->wiphy->max_match_sets = IWL_SCAN_MAX_PROFILES; diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 0e0007960612..742afc429c94 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -344,7 +344,8 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, iwl_mvm_scan_fill_ssids(cmd, req, basic_ssid ? 1 : 0); - cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL); + cmd->tx_cmd.tx_flags = cpu_to_le32(TX_CMD_FLG_SEQ_CTL | + TX_CMD_FLG_BT_DIS); cmd->tx_cmd.sta_id = mvm->aux_sta.sta_id; cmd->tx_cmd.life_time = cpu_to_le32(TX_CMD_LIFE_TIME_INFINITE); cmd->tx_cmd.rate_n_flags = @@ -807,6 +808,8 @@ int iwl_mvm_config_sched_scan_profiles(struct iwl_mvm *mvm, profile_cfg->active_clients = SCAN_CLIENT_SCHED_SCAN; profile_cfg->pass_match = SCAN_CLIENT_SCHED_SCAN; profile_cfg->match_notify = SCAN_CLIENT_SCHED_SCAN; + if (!req->n_match_sets || !req->match_sets[0].ssid.ssid_len) + profile_cfg->any_beacon_notify = SCAN_CLIENT_SCHED_SCAN; for (i = 0; i < req->n_match_sets; i++) { profile = &profile_cfg->profiles[i]; diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index ec1812133235..3397f59cd4e4 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -652,7 +652,7 @@ int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); static const u8 _baddr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; - static const u8 *baddr = _baddr; + const u8 *baddr = _baddr; lockdep_assert_held(&mvm->mutex); diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 90378c217bc7..4df12fa9d336 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -659,8 +659,14 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, rcu_read_lock(); sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + /* + * sta can't be NULL otherwise it'd mean that the sta has been freed in + * the firmware while we still have packets for it in the Tx queues. + */ + if (WARN_ON_ONCE(!sta)) + goto out; - if (!IS_ERR_OR_NULL(sta)) { + if (!IS_ERR(sta)) { mvmsta = iwl_mvm_sta_from_mac80211(sta); if (tid != IWL_TID_NON_QOS) { @@ -675,7 +681,6 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, spin_unlock_bh(&mvmsta->lock); } } else { - sta = NULL; mvmsta = NULL; } @@ -683,42 +688,38 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, * If the txq is not an AMPDU queue, there is no chance we freed * several skbs. Check that out... */ - if (txq_id < mvm->first_agg_queue && !WARN_ON(skb_freed > 1) && - atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) { - if (mvmsta) { - /* - * If there are no pending frames for this STA, notify - * mac80211 that this station can go to sleep in its - * STA table. - */ - if (mvmsta->vif->type == NL80211_IFTYPE_AP) - ieee80211_sta_block_awake(mvm->hw, sta, false); - /* - * We might very well have taken mvmsta pointer while - * the station was being removed. The remove flow might - * have seen a pending_frame (because we didn't take - * the lock) even if now the queues are drained. So make - * really sure now that this the station is not being - * removed. If it is, run the drain worker to remove it. - */ - spin_lock_bh(&mvmsta->lock); - sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); - if (!sta || PTR_ERR(sta) == -EBUSY) { - /* - * Station disappeared in the meantime: - * so we are draining. - */ - set_bit(sta_id, mvm->sta_drained); - schedule_work(&mvm->sta_drained_wk); - } - spin_unlock_bh(&mvmsta->lock); - } else if (!mvmsta && PTR_ERR(sta) == -EBUSY) { - /* Tx response without STA, so we are draining */ - set_bit(sta_id, mvm->sta_drained); - schedule_work(&mvm->sta_drained_wk); - } + if (txq_id >= mvm->first_agg_queue) + goto out; + + /* We can't free more than one frame at once on a shared queue */ + WARN_ON(skb_freed > 1); + + /* If we have still frames from this STA nothing to do here */ + if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) + goto out; + + if (mvmsta && mvmsta->vif->type == NL80211_IFTYPE_AP) { + /* + * If there are no pending frames for this STA, notify + * mac80211 that this station can go to sleep in its + * STA table. + * If mvmsta is not NULL, sta is valid. + */ + ieee80211_sta_block_awake(mvm->hw, sta, false); } + if (PTR_ERR(sta) == -EBUSY || PTR_ERR(sta) == -ENOENT) { + /* + * We are draining and this was the last packet - pre_rcu_remove + * has been called already. We might be after the + * synchronize_net already. + * Don't rely on iwl_mvm_rm_sta to see the empty Tx queues. + */ + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); + } + +out: rcu_read_unlock(); } diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c index a4a5e25623c3..86989df69356 100644 --- a/drivers/net/wireless/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/iwlwifi/mvm/utils.c @@ -411,6 +411,8 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm) mvm->status, table.valid); } + IWL_ERR(mvm, "Loaded firmware version: %s\n", mvm->fw->fw_version); + trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low, table.data1, table.data2, table.data3, table.blink1, table.blink2, table.ilink1, diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c index 3040924f5f3c..f47bcbe2945a 100644 --- a/drivers/net/wireless/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/iwlwifi/pcie/drv.c @@ -359,20 +359,25 @@ static DEFINE_PCI_DEVICE_TABLE(iwl_hw_card_ids) = { /* 7265 Series */ {IWL_PCI_DEVICE(0x095A, 0x5010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5110, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5112, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x5100, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x510A, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5310, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5302, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5210, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5012, iwl7265_2ac_cfg)}, - {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5410, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5400, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x1010, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5000, iwl7265_2n_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x500A, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5200, iwl7265_2n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x5002, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095B, 0x5202, iwl7265_n_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9010, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9012, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9110, iwl7265_2ac_cfg)}, + {IWL_PCI_DEVICE(0x095A, 0x9112, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9210, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9510, iwl7265_2ac_cfg)}, {IWL_PCI_DEVICE(0x095A, 0x9310, iwl7265_2ac_cfg)}, diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index abc5f56f29fe..2f1cd929c6f6 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1876,6 +1876,11 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) rt2x00_eeprom_addr(rt2x00dev, EEPROM_MAC_ADDR_0)); + /* + * Disable powersaving as default. + */ + rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + /* * Initialize hw_mode information. */ diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 9f16824cd1bc..d849d590de25 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1706,6 +1706,11 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK; + /* + * Disable powersaving as default. + */ + rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev); SET_IEEE80211_PERM_ADDR(rt2x00dev->hw, rt2x00_eeprom_addr(rt2x00dev, diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index b8f5b06006c4..7f8b5d156c8c 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -7458,10 +7458,9 @@ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) u32 reg; /* - * Disable powersaving as default on PCI devices. + * Disable powersaving as default. */ - if (rt2x00_is_pci(rt2x00dev) || rt2x00_is_soc(rt2x00dev)) - rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; + rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT; /* * Initialize all hw fields. diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c index 8ec17aad0e52..3867d1470b36 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c @@ -107,6 +107,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) struct rtl8180_priv *priv = dev->priv; unsigned int count = 32; u8 signal, agc, sq; + dma_addr_t mapping; while (count--) { struct rtl8180_rx_desc *entry = &priv->rx_ring[priv->rx_idx]; @@ -128,6 +129,17 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) if (unlikely(!new_skb)) goto done; + mapping = pci_map_single(priv->pdev, + skb_tail_pointer(new_skb), + MAX_RX_SIZE, PCI_DMA_FROMDEVICE); + + if (pci_dma_mapping_error(priv->pdev, mapping)) { + kfree_skb(new_skb); + dev_err(&priv->pdev->dev, "RX DMA map error\n"); + + goto done; + } + pci_unmap_single(priv->pdev, *((dma_addr_t *)skb->cb), MAX_RX_SIZE, PCI_DMA_FROMDEVICE); @@ -158,9 +170,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev) skb = new_skb; priv->rx_buf[priv->rx_idx] = skb; - *((dma_addr_t *) skb->cb) = - pci_map_single(priv->pdev, skb_tail_pointer(skb), - MAX_RX_SIZE, PCI_DMA_FROMDEVICE); + *((dma_addr_t *) skb->cb) = mapping; } done: @@ -266,6 +276,13 @@ static void rtl8180_tx(struct ieee80211_hw *dev, mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(priv->pdev, mapping)) { + kfree_skb(skb); + dev_err(&priv->pdev->dev, "TX DMA mapping error\n"); + return; + + } + tx_flags = RTL818X_TX_DESC_FLAG_OWN | RTL818X_TX_DESC_FLAG_FS | RTL818X_TX_DESC_FLAG_LS | (ieee80211_get_tx_rate(dev, info)->hw_value << 24) | diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 4c76bcb9a879..ae413a2cbee7 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -143,11 +143,7 @@ struct xenvif { char rx_irq_name[IFNAMSIZ+4]; /* DEVNAME-rx */ struct xen_netif_rx_back_ring rx; struct sk_buff_head rx_queue; - bool rx_queue_stopped; - /* Set when the RX interrupt is triggered by the frontend. - * The worker thread may need to wake the queue. - */ - bool rx_event; + RING_IDX rx_last_skb_slots; /* This array is allocated seperately as it is large */ struct gnttab_copy *grant_copy_op; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index b9de31ea7fc4..7669d49a67e2 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -100,7 +100,6 @@ static irqreturn_t xenvif_rx_interrupt(int irq, void *dev_id) { struct xenvif *vif = dev_id; - vif->rx_event = true; xenvif_kick_thread(vif); return IRQ_HANDLED; diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 6b62c3eb8e18..e5284bca2d90 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -476,7 +476,6 @@ static void xenvif_rx_action(struct xenvif *vif) unsigned long offset; struct skb_cb_overlay *sco; bool need_to_notify = false; - bool ring_full = false; struct netrx_pending_operations npo = { .copy = vif->grant_copy_op, @@ -486,7 +485,7 @@ static void xenvif_rx_action(struct xenvif *vif) skb_queue_head_init(&rxq); while ((skb = skb_dequeue(&vif->rx_queue)) != NULL) { - int max_slots_needed; + RING_IDX max_slots_needed; int i; /* We need a cheap worse case estimate for the number of @@ -509,9 +508,10 @@ static void xenvif_rx_action(struct xenvif *vif) if (!xenvif_rx_ring_slots_available(vif, max_slots_needed)) { skb_queue_head(&vif->rx_queue, skb); need_to_notify = true; - ring_full = true; + vif->rx_last_skb_slots = max_slots_needed; break; - } + } else + vif->rx_last_skb_slots = 0; sco = (struct skb_cb_overlay *)skb->cb; sco->meta_slots_used = xenvif_gop_skb(skb, &npo); @@ -522,8 +522,6 @@ static void xenvif_rx_action(struct xenvif *vif) BUG_ON(npo.meta_prod > ARRAY_SIZE(vif->meta)); - vif->rx_queue_stopped = !npo.copy_prod && ring_full; - if (!npo.copy_prod) goto done; @@ -1473,8 +1471,8 @@ static struct xen_netif_rx_response *make_rx_response(struct xenvif *vif, static inline int rx_work_todo(struct xenvif *vif) { - return (!skb_queue_empty(&vif->rx_queue) && !vif->rx_queue_stopped) || - vif->rx_event; + return !skb_queue_empty(&vif->rx_queue) && + xenvif_rx_ring_slots_available(vif, vif->rx_last_skb_slots); } static inline int tx_work_todo(struct xenvif *vif) @@ -1560,8 +1558,6 @@ int xenvif_kthread(void *data) if (!skb_queue_empty(&vif->rx_queue)) xenvif_rx_action(vif); - vif->rx_event = false; - if (skb_queue_empty(&vif->rx_queue) && netif_queue_stopped(vif->dev)) xenvif_start_queue(vif); diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index ff04d4f95baa..f9daa9e183f2 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1832,7 +1832,6 @@ static void netback_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateInitWait: @@ -1847,6 +1846,10 @@ static void netback_changed(struct xenbus_device *dev, netdev_notify_peers(netdev); break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/include/linux/can/skb.h b/include/linux/can/skb.h index 2f0543f7510c..f9bbbb472663 100644 --- a/include/linux/can/skb.h +++ b/include/linux/can/skb.h @@ -11,7 +11,9 @@ #define CAN_SKB_H #include +#include #include +#include /* * The struct can_skb_priv is used to transport additional information along @@ -42,4 +44,40 @@ static inline void can_skb_reserve(struct sk_buff *skb) skb_reserve(skb, sizeof(struct can_skb_priv)); } +static inline void can_skb_destructor(struct sk_buff *skb) +{ + sock_put(skb->sk); +} + +static inline void can_skb_set_owner(struct sk_buff *skb, struct sock *sk) +{ + if (sk) { + sock_hold(sk); + skb->destructor = can_skb_destructor; + skb->sk = sk; + } +} + +/* + * returns an unshared skb owned by the original sock to be echo'ed back + */ +static inline struct sk_buff *can_create_echo_skb(struct sk_buff *skb) +{ + if (skb_shared(skb)) { + struct sk_buff *nskb = skb_clone(skb, GFP_ATOMIC); + + if (likely(nskb)) { + can_skb_set_owner(nskb, skb->sk); + consume_skb(skb); + return nskb; + } else { + kfree_skb(skb); + return NULL; + } + } + + /* we can assume to have an unshared skb with proper owner */ + return skb; +} + #endif /* CAN_SKB_H */ diff --git a/include/net/datalink.h b/include/net/datalink.h index deb7ca75db48..93cb18f729b5 100644 --- a/include/net/datalink.h +++ b/include/net/datalink.h @@ -15,4 +15,6 @@ struct datalink_proto { struct list_head node; }; +struct datalink_proto *make_EII_client(void); +void destroy_EII_client(struct datalink_proto *dl); #endif diff --git a/include/net/dn.h b/include/net/dn.h index ccc15588d108..913b73d239f5 100644 --- a/include/net/dn.h +++ b/include/net/dn.h @@ -200,6 +200,8 @@ static inline void dn_sk_ports_copy(struct flowidn *fld, struct dn_scp *scp) } unsigned int dn_mss_from_pmtu(struct net_device *dev, int mtu); +void dn_register_sysctl(void); +void dn_unregister_sysctl(void); #define DN_MENUVER_ACC 0x01 #define DN_MENUVER_USR 0x02 diff --git a/include/net/dn_route.h b/include/net/dn_route.h index b409ad6b8d7a..55df9939bca2 100644 --- a/include/net/dn_route.h +++ b/include/net/dn_route.h @@ -20,6 +20,8 @@ int dn_route_output_sock(struct dst_entry __rcu **pprt, struct flowidn *, struct sock *sk, int flags); int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb); void dn_rt_cache_flush(int delay); +int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, + struct packet_type *pt, struct net_device *orig_dev); /* Masks for flags field */ #define DN_RT_F_PID 0x07 /* Mask for packet type */ diff --git a/include/net/ethoc.h b/include/net/ethoc.h index 96f3789b27bc..2a2d6bb34eb8 100644 --- a/include/net/ethoc.h +++ b/include/net/ethoc.h @@ -16,6 +16,7 @@ struct ethoc_platform_data { u8 hwaddr[IFHWADDRLEN]; s8 phy_id; + u32 eth_clkfreq; }; #endif /* !LINUX_NET_ETHOC_H */ diff --git a/include/net/ipx.h b/include/net/ipx.h index 9e9e35465baf..0143180fecc9 100644 --- a/include/net/ipx.h +++ b/include/net/ipx.h @@ -140,6 +140,17 @@ static __inline__ void ipxitf_hold(struct ipx_interface *intrfc) } void ipxitf_down(struct ipx_interface *intrfc); +struct ipx_interface *ipxitf_find_using_net(__be32 net); +int ipxitf_send(struct ipx_interface *intrfc, struct sk_buff *skb, char *node); +__be16 ipx_cksum(struct ipxhdr *packet, int length); +int ipxrtr_add_route(__be32 network, struct ipx_interface *intrfc, + unsigned char *node); +void ipxrtr_del_routes(struct ipx_interface *intrfc); +int ipxrtr_route_packet(struct sock *sk, struct sockaddr_ipx *usipx, + struct iovec *iov, size_t len, int noblock); +int ipxrtr_route_skb(struct sk_buff *skb); +struct ipx_route *ipxrtr_lookup(__be32 net); +int ipxrtr_ioctl(unsigned int cmd, void __user *arg); static __inline__ void ipxitf_put(struct ipx_interface *intrfc) { diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index da68c9a90ac5..991dcd94cbbf 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -162,6 +162,14 @@ extern struct list_head net_namespace_list; struct net *get_net_ns_by_pid(pid_t pid); struct net *get_net_ns_by_fd(int pid); +#ifdef CONFIG_SYSCTL +void ipx_register_sysctl(void); +void ipx_unregister_sysctl(void); +#else +#define ipx_register_sysctl() +#define ipx_unregister_sysctl() +#endif + #ifdef CONFIG_NET_NS void __put_net(struct net *net); diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index 01ea6eed1bb1..b2ac6246b7e0 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -284,6 +284,8 @@ extern unsigned int nf_conntrack_max; extern unsigned int nf_conntrack_hash_rnd; void init_nf_conntrack_hash_rnd(void); +void nf_conntrack_tmpl_insert(struct net *net, struct nf_conn *tmpl); + #define NF_CT_STAT_INC(net, count) __this_cpu_inc((net)->ct.stat->count) #define NF_CT_STAT_INC_ATOMIC(net, count) this_cpu_inc((net)->ct.stat->count) diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 57c8ff7955df..e7e14ffe0f6a 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -252,6 +252,7 @@ void nf_tables_unbind_set(const struct nft_ctx *ctx, struct nft_set *set, * @owner: module reference * @policy: netlink attribute policy * @maxattr: highest netlink attribute number + * @family: address family for AF-specific types */ struct nft_expr_type { const struct nft_expr_ops *(*select_ops)(const struct nft_ctx *, @@ -262,6 +263,7 @@ struct nft_expr_type { struct module *owner; const struct nla_policy *policy; unsigned int maxattr; + u8 family; }; /** @@ -320,7 +322,6 @@ static inline void *nft_expr_priv(const struct nft_expr *expr) * struct nft_rule - nf_tables rule * * @list: used internally - * @rcu_head: used internally for rcu * @handle: rule handle * @genmask: generation mask * @dlen: length of expression data @@ -328,7 +329,6 @@ static inline void *nft_expr_priv(const struct nft_expr *expr) */ struct nft_rule { struct list_head list; - struct rcu_head rcu_head; u64 handle:46, genmask:2, dlen:16; @@ -389,7 +389,6 @@ enum nft_chain_flags { * * @rules: list of rules in the chain * @list: used internally - * @rcu_head: used internally * @net: net namespace that this chain belongs to * @table: table that this chain belongs to * @handle: chain handle @@ -401,7 +400,6 @@ enum nft_chain_flags { struct nft_chain { struct list_head rules; struct list_head list; - struct rcu_head rcu_head; struct net *net; struct nft_table *table; u64 handle; @@ -529,6 +527,9 @@ void nft_unregister_expr(struct nft_expr_type *); #define MODULE_ALIAS_NFT_CHAIN(family, name) \ MODULE_ALIAS("nft-chain-" __stringify(family) "-" name) +#define MODULE_ALIAS_NFT_AF_EXPR(family, name) \ + MODULE_ALIAS("nft-expr-" __stringify(family) "-" name) + #define MODULE_ALIAS_NFT_EXPR(name) \ MODULE_ALIAS("nft-expr-" name) diff --git a/include/net/netfilter/nft_reject.h b/include/net/netfilter/nft_reject.h new file mode 100644 index 000000000000..36b0da2d55bb --- /dev/null +++ b/include/net/netfilter/nft_reject.h @@ -0,0 +1,25 @@ +#ifndef _NFT_REJECT_H_ +#define _NFT_REJECT_H_ + +struct nft_reject { + enum nft_reject_types type:8; + u8 icmp_code; +}; + +extern const struct nla_policy nft_reject_policy[]; + +int nft_reject_init(const struct nft_ctx *ctx, + const struct nft_expr *expr, + const struct nlattr * const tb[]); + +int nft_reject_dump(struct sk_buff *skb, const struct nft_expr *expr); + +void nft_reject_ipv4_eval(const struct nft_expr *expr, + struct nft_data data[NFT_REG_MAX + 1], + const struct nft_pktinfo *pkt); + +void nft_reject_ipv6_eval(const struct nft_expr *expr, + struct nft_data data[NFT_REG_MAX + 1], + const struct nft_pktinfo *pkt); + +#endif diff --git a/include/uapi/linux/in6.h b/include/uapi/linux/in6.h index 633b93cac1ed..e9a1d2d973b6 100644 --- a/include/uapi/linux/in6.h +++ b/include/uapi/linux/in6.h @@ -128,22 +128,13 @@ struct in6_flowlabel_req { * IPV6 extension headers */ #if __UAPI_DEF_IPPROTO_V6 -enum { - IPPROTO_HOPOPTS = 0, /* IPv6 hop-by-hop options */ -#define IPPROTO_HOPOPTS IPPROTO_HOPOPTS - IPPROTO_ROUTING = 43, /* IPv6 routing header */ -#define IPPROTO_ROUTING IPPROTO_ROUTING - IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header */ -#define IPPROTO_FRAGMENT IPPROTO_FRAGMENT - IPPROTO_ICMPV6 = 58, /* ICMPv6 */ -#define IPPROTO_ICMPV6 IPPROTO_ICMPV6 - IPPROTO_NONE = 59, /* IPv6 no next header */ -#define IPPROTO_NONE IPPROTO_NONE - IPPROTO_DSTOPTS = 60, /* IPv6 destination options */ -#define IPPROTO_DSTOPTS IPPROTO_DSTOPTS - IPPROTO_MH = 135, /* IPv6 mobility header */ -#define IPPROTO_MH IPPROTO_MH -}; +#define IPPROTO_HOPOPTS 0 /* IPv6 hop-by-hop options */ +#define IPPROTO_ROUTING 43 /* IPv6 routing header */ +#define IPPROTO_FRAGMENT 44 /* IPv6 fragmentation header */ +#define IPPROTO_ICMPV6 58 /* ICMPv6 */ +#define IPPROTO_NONE 59 /* IPv6 no next header */ +#define IPPROTO_DSTOPTS 60 /* IPv6 destination options */ +#define IPPROTO_MH 135 /* IPv6 mobility header */ #endif /* __UAPI_DEF_IPPROTO_V6 */ /* diff --git a/net/9p/client.c b/net/9p/client.c index a5e4d2dcb03e..9186550d77a6 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -204,7 +204,7 @@ free_and_return: return ret; } -struct p9_fcall *p9_fcall_alloc(int alloc_msize) +static struct p9_fcall *p9_fcall_alloc(int alloc_msize) { struct p9_fcall *fc; fc = kmalloc(sizeof(struct p9_fcall) + alloc_msize, GFP_NOFS); diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index cd1e1ede73a4..ac2666c1d011 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -340,7 +340,10 @@ static int p9_get_mapped_pages(struct virtio_chan *chan, int count = nr_pages; while (nr_pages) { s = rest_of_page(data); - pages[index++] = kmap_to_page(data); + if (is_vmalloc_addr(data)) + pages[index++] = vmalloc_to_page(data); + else + pages[index++] = kmap_to_page(data); data += s; nr_pages--; } diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index e4401a531afb..63f0455c0bc3 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -187,8 +187,7 @@ static int br_set_mac_address(struct net_device *dev, void *p) spin_lock_bh(&br->lock); if (!ether_addr_equal(dev->dev_addr, addr->sa_data)) { - memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); - br_fdb_change_mac_address(br, addr->sa_data); + /* Mac address will be changed in br_stp_change_bridge_id(). */ br_stp_change_bridge_id(br, addr->sa_data); } spin_unlock_bh(&br->lock); @@ -226,37 +225,11 @@ static void br_netpoll_cleanup(struct net_device *dev) br_netpoll_disable(p); } -static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni, - gfp_t gfp) -{ - struct net_bridge *br = netdev_priv(dev); - struct net_bridge_port *p; - int err = 0; - - list_for_each_entry(p, &br->port_list, list) { - if (!p->dev) - continue; - err = br_netpoll_enable(p, gfp); - if (err) - goto fail; - } - -out: - return err; - -fail: - br_netpoll_cleanup(dev); - goto out; -} - -int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp) +static int __br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp) { struct netpoll *np; int err; - if (!p->br->dev->npinfo) - return 0; - np = kzalloc(sizeof(*p->np), gfp); if (!np) return -ENOMEM; @@ -271,6 +244,37 @@ int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp) return err; } +int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp) +{ + if (!p->br->dev->npinfo) + return 0; + + return __br_netpoll_enable(p, gfp); +} + +static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni, + gfp_t gfp) +{ + struct net_bridge *br = netdev_priv(dev); + struct net_bridge_port *p; + int err = 0; + + list_for_each_entry(p, &br->port_list, list) { + if (!p->dev) + continue; + err = __br_netpoll_enable(p, gfp); + if (err) + goto fail; + } + +out: + return err; + +fail: + br_netpoll_cleanup(dev); + goto out; +} + void br_netpoll_disable(struct net_bridge_port *p) { struct netpoll *np = p->np; diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index c5f5a4a933f4..9203d5a1943f 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -27,6 +27,9 @@ #include "br_private.h" static struct kmem_cache *br_fdb_cache __read_mostly; +static struct net_bridge_fdb_entry *fdb_find(struct hlist_head *head, + const unsigned char *addr, + __u16 vid); static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source, const unsigned char *addr, u16 vid); static void fdb_notify(struct net_bridge *br, @@ -89,11 +92,57 @@ static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f) call_rcu(&f->rcu, fdb_rcu_free); } +/* Delete a local entry if no other port had the same address. */ +static void fdb_delete_local(struct net_bridge *br, + const struct net_bridge_port *p, + struct net_bridge_fdb_entry *f) +{ + const unsigned char *addr = f->addr.addr; + u16 vid = f->vlan_id; + struct net_bridge_port *op; + + /* Maybe another port has same hw addr? */ + list_for_each_entry(op, &br->port_list, list) { + if (op != p && ether_addr_equal(op->dev->dev_addr, addr) && + (!vid || nbp_vlan_find(op, vid))) { + f->dst = op; + f->added_by_user = 0; + return; + } + } + + /* Maybe bridge device has same hw addr? */ + if (p && ether_addr_equal(br->dev->dev_addr, addr) && + (!vid || br_vlan_find(br, vid))) { + f->dst = NULL; + f->added_by_user = 0; + return; + } + + fdb_delete(br, f); +} + +void br_fdb_find_delete_local(struct net_bridge *br, + const struct net_bridge_port *p, + const unsigned char *addr, u16 vid) +{ + struct hlist_head *head = &br->hash[br_mac_hash(addr, vid)]; + struct net_bridge_fdb_entry *f; + + spin_lock_bh(&br->hash_lock); + f = fdb_find(head, addr, vid); + if (f && f->is_local && !f->added_by_user && f->dst == p) + fdb_delete_local(br, p, f); + spin_unlock_bh(&br->hash_lock); +} + void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr) { struct net_bridge *br = p->br; - bool no_vlan = (nbp_get_vlan_info(p) == NULL) ? true : false; + struct net_port_vlans *pv = nbp_get_vlan_info(p); + bool no_vlan = !pv; int i; + u16 vid; spin_lock_bh(&br->hash_lock); @@ -104,38 +153,34 @@ void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr) struct net_bridge_fdb_entry *f; f = hlist_entry(h, struct net_bridge_fdb_entry, hlist); - if (f->dst == p && f->is_local) { - /* maybe another port has same hw addr? */ - struct net_bridge_port *op; - u16 vid = f->vlan_id; - list_for_each_entry(op, &br->port_list, list) { - if (op != p && - ether_addr_equal(op->dev->dev_addr, - f->addr.addr) && - nbp_vlan_find(op, vid)) { - f->dst = op; - goto insert; - } - } - + if (f->dst == p && f->is_local && !f->added_by_user) { /* delete old one */ - fdb_delete(br, f); -insert: - /* insert new address, may fail if invalid - * address or dup. - */ - fdb_insert(br, p, newaddr, vid); + fdb_delete_local(br, p, f); /* if this port has no vlan information * configured, we can safely be done at * this point. */ if (no_vlan) - goto done; + goto insert; } } } +insert: + /* insert new address, may fail if invalid address or dup. */ + fdb_insert(br, p, newaddr, 0); + + if (no_vlan) + goto done; + + /* Now add entries for every VLAN configured on the port. + * This function runs under RTNL so the bitmap will not change + * from under us. + */ + for_each_set_bit(vid, pv->vlan_bitmap, VLAN_N_VID) + fdb_insert(br, p, newaddr, vid); + done: spin_unlock_bh(&br->hash_lock); } @@ -146,10 +191,12 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr) struct net_port_vlans *pv; u16 vid = 0; + spin_lock_bh(&br->hash_lock); + /* If old entry was unassociated with any port, then delete it. */ f = __br_fdb_get(br, br->dev->dev_addr, 0); if (f && f->is_local && !f->dst) - fdb_delete(br, f); + fdb_delete_local(br, NULL, f); fdb_insert(br, NULL, newaddr, 0); @@ -159,14 +206,16 @@ void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr) */ pv = br_get_vlan_info(br); if (!pv) - return; + goto out; for_each_set_bit_from(vid, pv->vlan_bitmap, VLAN_N_VID) { f = __br_fdb_get(br, br->dev->dev_addr, vid); if (f && f->is_local && !f->dst) - fdb_delete(br, f); + fdb_delete_local(br, NULL, f); fdb_insert(br, NULL, newaddr, vid); } +out: + spin_unlock_bh(&br->hash_lock); } void br_fdb_cleanup(unsigned long _data) @@ -235,25 +284,11 @@ void br_fdb_delete_by_port(struct net_bridge *br, if (f->is_static && !do_all) continue; - /* - * if multiple ports all have the same device address - * then when one port is deleted, assign - * the local entry to other port - */ - if (f->is_local) { - struct net_bridge_port *op; - list_for_each_entry(op, &br->port_list, list) { - if (op != p && - ether_addr_equal(op->dev->dev_addr, - f->addr.addr)) { - f->dst = op; - goto skip_delete; - } - } - } - fdb_delete(br, f); - skip_delete: ; + if (f->is_local) + fdb_delete_local(br, p, f); + else + fdb_delete(br, f); } } spin_unlock_bh(&br->hash_lock); @@ -397,6 +432,7 @@ static struct net_bridge_fdb_entry *fdb_create(struct hlist_head *head, fdb->vlan_id = vid; fdb->is_local = 0; fdb->is_static = 0; + fdb->added_by_user = 0; fdb->updated = fdb->used = jiffies; hlist_add_head_rcu(&fdb->hlist, head); } @@ -447,7 +483,7 @@ int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, } void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, - const unsigned char *addr, u16 vid) + const unsigned char *addr, u16 vid, bool added_by_user) { struct hlist_head *head = &br->hash[br_mac_hash(addr, vid)]; struct net_bridge_fdb_entry *fdb; @@ -473,13 +509,18 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, /* fastpath: update of existing entry */ fdb->dst = source; fdb->updated = jiffies; + if (unlikely(added_by_user)) + fdb->added_by_user = 1; } } else { spin_lock(&br->hash_lock); if (likely(!fdb_find(head, addr, vid))) { fdb = fdb_create(head, source, addr, vid); - if (fdb) + if (fdb) { + if (unlikely(added_by_user)) + fdb->added_by_user = 1; fdb_notify(br, fdb, RTM_NEWNEIGH); + } } /* else we lose race and someone else inserts * it first, don't bother updating @@ -647,6 +688,7 @@ static int fdb_add_entry(struct net_bridge_port *source, const __u8 *addr, modified = true; } + fdb->added_by_user = 1; fdb->used = jiffies; if (modified) { @@ -664,7 +706,7 @@ static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge_port *p, if (ndm->ndm_flags & NTF_USE) { rcu_read_lock(); - br_fdb_update(p->br, p, addr, vid); + br_fdb_update(p->br, p, addr, vid, true); rcu_read_unlock(); } else { spin_lock_bh(&p->br->hash_lock); @@ -749,8 +791,7 @@ out: return err; } -int fdb_delete_by_addr(struct net_bridge *br, const u8 *addr, - u16 vlan) +static int fdb_delete_by_addr(struct net_bridge *br, const u8 *addr, u16 vlan) { struct hlist_head *head = &br->hash[br_mac_hash(addr, vlan)]; struct net_bridge_fdb_entry *fdb; diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index cffe1d666ba1..54d207d3a31c 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -389,6 +389,9 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) if (br->dev->needed_headroom < dev->needed_headroom) br->dev->needed_headroom = dev->needed_headroom; + if (br_fdb_insert(br, p, dev->dev_addr, 0)) + netdev_err(dev, "failed insert local address bridge forwarding table\n"); + spin_lock_bh(&br->lock); changed_addr = br_stp_recalculate_bridge_id(br); @@ -404,9 +407,6 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) dev_set_mtu(br->dev, br_min_mtu(br)); - if (br_fdb_insert(br, p, dev->dev_addr, 0)) - netdev_err(dev, "failed insert local address bridge forwarding table\n"); - kobject_uevent(&p->kobj, KOBJ_ADD); return 0; diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index bf8dc7d308d6..28d544627422 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -77,7 +77,7 @@ int br_handle_frame_finish(struct sk_buff *skb) /* insert into forwarding database after filtering to avoid spoofing */ br = p->br; if (p->flags & BR_LEARNING) - br_fdb_update(br, p, eth_hdr(skb)->h_source, vid); + br_fdb_update(br, p, eth_hdr(skb)->h_source, vid, false); if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) && br_multicast_rcv(br, p, skb, vid)) @@ -148,7 +148,7 @@ static int br_handle_local_finish(struct sk_buff *skb) br_vlan_get_tag(skb, &vid); if (p->flags & BR_LEARNING) - br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid); + br_fdb_update(p->br, p, eth_hdr(skb)->h_source, vid, false); return 0; /* process further */ } diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index fcd12333c59b..3ba11bc99b65 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -104,6 +104,7 @@ struct net_bridge_fdb_entry mac_addr addr; unsigned char is_local; unsigned char is_static; + unsigned char added_by_user; __u16 vlan_id; }; @@ -370,6 +371,9 @@ static inline void br_netpoll_disable(struct net_bridge_port *p) int br_fdb_init(void); void br_fdb_fini(void); void br_fdb_flush(struct net_bridge *br); +void br_fdb_find_delete_local(struct net_bridge *br, + const struct net_bridge_port *p, + const unsigned char *addr, u16 vid); void br_fdb_changeaddr(struct net_bridge_port *p, const unsigned char *newaddr); void br_fdb_change_mac_address(struct net_bridge *br, const u8 *newaddr); void br_fdb_cleanup(unsigned long arg); @@ -383,8 +387,7 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf, unsigned long count, int br_fdb_insert(struct net_bridge *br, struct net_bridge_port *source, const unsigned char *addr, u16 vid); void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source, - const unsigned char *addr, u16 vid); -int fdb_delete_by_addr(struct net_bridge *br, const u8 *addr, u16 vid); + const unsigned char *addr, u16 vid, bool added_by_user); int br_fdb_delete(struct ndmsg *ndm, struct nlattr *tb[], struct net_device *dev, const unsigned char *addr); @@ -584,6 +587,7 @@ struct sk_buff *br_handle_vlan(struct net_bridge *br, int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags); int br_vlan_delete(struct net_bridge *br, u16 vid); void br_vlan_flush(struct net_bridge *br); +bool br_vlan_find(struct net_bridge *br, u16 vid); int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val); int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags); int nbp_vlan_delete(struct net_bridge_port *port, u16 vid); @@ -665,6 +669,11 @@ static inline void br_vlan_flush(struct net_bridge *br) { } +static inline bool br_vlan_find(struct net_bridge *br, u16 vid) +{ + return false; +} + static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags) { return -EOPNOTSUPP; diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index 656a6f3e40de..189ba1e7d851 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -194,6 +194,8 @@ void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *addr) wasroot = br_is_root_bridge(br); + br_fdb_change_mac_address(br, addr); + memcpy(oldaddr, br->bridge_id.addr, ETH_ALEN); memcpy(br->bridge_id.addr, addr, ETH_ALEN); memcpy(br->dev->dev_addr, addr, ETH_ALEN); diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 4ca4d0a0151c..8249ca764c79 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -275,9 +275,7 @@ int br_vlan_delete(struct net_bridge *br, u16 vid) if (!pv) return -EINVAL; - spin_lock_bh(&br->hash_lock); - fdb_delete_by_addr(br, br->dev->dev_addr, vid); - spin_unlock_bh(&br->hash_lock); + br_fdb_find_delete_local(br, NULL, br->dev->dev_addr, vid); __vlan_del(pv, vid); return 0; @@ -295,6 +293,25 @@ void br_vlan_flush(struct net_bridge *br) __vlan_flush(pv); } +bool br_vlan_find(struct net_bridge *br, u16 vid) +{ + struct net_port_vlans *pv; + bool found = false; + + rcu_read_lock(); + pv = rcu_dereference(br->vlan_info); + + if (!pv) + goto out; + + if (test_bit(vid, pv->vlan_bitmap)) + found = true; + +out: + rcu_read_unlock(); + return found; +} + int br_vlan_filter_toggle(struct net_bridge *br, unsigned long val) { if (!rtnl_trylock()) @@ -359,9 +376,7 @@ int nbp_vlan_delete(struct net_bridge_port *port, u16 vid) if (!pv) return -EINVAL; - spin_lock_bh(&port->br->hash_lock); - fdb_delete_by_addr(port->br, port->dev->dev_addr, vid); - spin_unlock_bh(&port->br->hash_lock); + br_fdb_find_delete_local(port->br, port, port->dev->dev_addr, vid); return __vlan_del(pv, vid); } diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 4dca159435cf..edbca468fa73 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include #include diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c index 353f793d1b3b..a6e115463052 100644 --- a/net/caif/cfsrvl.c +++ b/net/caif/cfsrvl.c @@ -15,6 +15,7 @@ #include #include #include +#include #define SRVL_CTRL_PKT_SIZE 1 #define SRVL_FLOW_OFF 0x81 diff --git a/net/can/af_can.c b/net/can/af_can.c index d249874a366d..a27f8aad9e99 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -57,6 +57,7 @@ #include #include #include +#include #include #include #include @@ -290,7 +291,7 @@ int can_send(struct sk_buff *skb, int loop) return -ENOMEM; } - newskb->sk = skb->sk; + can_skb_set_owner(newskb, skb->sk); newskb->ip_summed = CHECKSUM_UNNECESSARY; newskb->pkt_type = PACKET_BROADCAST; } diff --git a/net/can/bcm.c b/net/can/bcm.c index 3fc737b214c7..dcb75c0e66c1 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -268,7 +268,7 @@ static void bcm_can_tx(struct bcm_op *op) /* send with loopback */ skb->dev = dev; - skb->sk = op->sk; + can_skb_set_owner(skb, op->sk); can_send(skb, 1); /* update statistics */ @@ -1223,7 +1223,7 @@ static int bcm_tx_send(struct msghdr *msg, int ifindex, struct sock *sk) can_skb_prv(skb)->ifindex = dev->ifindex; skb->dev = dev; - skb->sk = sk; + can_skb_set_owner(skb, sk); err = can_send(skb, 1); /* send with loopback */ dev_put(dev); diff --git a/net/can/raw.c b/net/can/raw.c index 07d72d852324..8be757cca2ec 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -715,6 +715,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct socket *sock, skb->dev = dev; skb->sk = sk; + skb->priority = sk->sk_priority; err = can_send(skb, ro->loopback); diff --git a/net/core/dev.c b/net/core/dev.c index 3721db716350..4ad1b78c9c77 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2803,7 +2803,7 @@ EXPORT_SYMBOL(dev_loopback_xmit); * the BH enable code must have IRQs enabled so that it will not deadlock. * --BLG */ -int __dev_queue_xmit(struct sk_buff *skb, void *accel_priv) +static int __dev_queue_xmit(struct sk_buff *skb, void *accel_priv) { struct net_device *dev = skb->dev; struct netdev_queue *txq; @@ -4637,7 +4637,7 @@ struct net_device *netdev_master_upper_dev_get_rcu(struct net_device *dev) } EXPORT_SYMBOL(netdev_master_upper_dev_get_rcu); -int netdev_adjacent_sysfs_add(struct net_device *dev, +static int netdev_adjacent_sysfs_add(struct net_device *dev, struct net_device *adj_dev, struct list_head *dev_list) { @@ -4647,7 +4647,7 @@ int netdev_adjacent_sysfs_add(struct net_device *dev, return sysfs_create_link(&(dev->dev.kobj), &(adj_dev->dev.kobj), linkname); } -void netdev_adjacent_sysfs_del(struct net_device *dev, +static void netdev_adjacent_sysfs_del(struct net_device *dev, char *name, struct list_head *dev_list) { diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index f409e0bd35c0..185c341fafbd 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -745,6 +745,13 @@ static int fib_rules_event(struct notifier_block *this, unsigned long event, attach_rules(&ops->rules_list, dev); break; + case NETDEV_CHANGENAME: + list_for_each_entry(ops, &net->rules_ops, list) { + detach_rules(&ops->rules_list, dev); + attach_rules(&ops->rules_list, dev); + } + break; + case NETDEV_UNREGISTER: list_for_each_entry(ops, &net->rules_ops, list) detach_rules(&ops->rules_list, dev); diff --git a/net/core/netpoll.c b/net/core/netpoll.c index c03f3dec4763..a664f7829a6d 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -948,6 +948,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt) { char *cur=opt, *delim; int ipv6; + bool ipversion_set = false; if (*cur != '@') { if ((delim = strchr(cur, '@')) == NULL) @@ -960,6 +961,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt) cur++; if (*cur != '/') { + ipversion_set = true; if ((delim = strchr(cur, '/')) == NULL) goto parse_failed; *delim = 0; @@ -1002,7 +1004,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt) ipv6 = netpoll_parse_ip_addr(cur, &np->remote_ip); if (ipv6 < 0) goto parse_failed; - else if (np->ipv6 != (bool)ipv6) + else if (ipversion_set && np->ipv6 != (bool)ipv6) goto parse_failed; else np->ipv6 = (bool)ipv6; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 393b1bc9a618..048dc8d183aa 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -374,7 +374,7 @@ static size_t rtnl_link_get_slave_info_data_size(const struct net_device *dev) if (!master_dev) return 0; ops = master_dev->rtnl_link_ops; - if (!ops->get_slave_size) + if (!ops || !ops->get_slave_size) return 0; /* IFLA_INFO_SLAVE_DATA + nested data */ return nla_total_size(sizeof(struct nlattr)) + diff --git a/net/core/sock.c b/net/core/sock.c index 0c127dcdf6a8..5b6a9431b017 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1775,7 +1775,9 @@ struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len, while (order) { if (npages >= 1 << order) { page = alloc_pages(sk->sk_allocation | - __GFP_COMP | __GFP_NOWARN, + __GFP_COMP | + __GFP_NOWARN | + __GFP_NORETRY, order); if (page) goto fill_page; @@ -1845,7 +1847,7 @@ bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t prio) gfp_t gfp = prio; if (order) - gfp |= __GFP_COMP | __GFP_NOWARN; + gfp |= __GFP_COMP | __GFP_NOWARN | __GFP_NORETRY; pfrag->page = alloc_pages(gfp, order); if (likely(pfrag->page)) { pfrag->offset = 0; diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index 2954dcbca832..4c04848953bd 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -2104,8 +2104,6 @@ static struct notifier_block dn_dev_notifier = { .notifier_call = dn_device_event, }; -extern int dn_route_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *); - static struct packet_type dn_dix_packet_type __read_mostly = { .type = cpu_to_be16(ETH_P_DNA_RT), .func = dn_route_rcv, @@ -2353,9 +2351,6 @@ static const struct proto_ops dn_proto_ops = { .sendpage = sock_no_sendpage, }; -void dn_register_sysctl(void); -void dn_unregister_sysctl(void); - MODULE_DESCRIPTION("The Linux DECnet Network Protocol"); MODULE_AUTHOR("Linux DECnet Project Team"); MODULE_LICENSE("GPL"); diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index 48b25c0af4d0..8edfea5da572 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -106,7 +106,6 @@ static int lowpan_header_create(struct sk_buff *skb, unsigned short type, const void *_daddr, const void *_saddr, unsigned int len) { - struct ipv6hdr *hdr; const u8 *saddr = _saddr; const u8 *daddr = _daddr; struct ieee802154_addr sa, da; @@ -117,8 +116,6 @@ static int lowpan_header_create(struct sk_buff *skb, if (type != ETH_P_IPV6) return 0; - hdr = ipv6_hdr(skb); - if (!saddr) saddr = dev->dev_addr; @@ -533,7 +530,27 @@ static struct header_ops lowpan_header_ops = { .create = lowpan_header_create, }; +static struct lock_class_key lowpan_tx_busylock; +static struct lock_class_key lowpan_netdev_xmit_lock_key; + +static void lowpan_set_lockdep_class_one(struct net_device *dev, + struct netdev_queue *txq, + void *_unused) +{ + lockdep_set_class(&txq->_xmit_lock, + &lowpan_netdev_xmit_lock_key); +} + + +static int lowpan_dev_init(struct net_device *dev) +{ + netdev_for_each_tx_queue(dev, lowpan_set_lockdep_class_one, NULL); + dev->qdisc_tx_busylock = &lowpan_tx_busylock; + return 0; +} + static const struct net_device_ops lowpan_netdev_ops = { + .ndo_init = lowpan_dev_init, .ndo_start_xmit = lowpan_xmit, .ndo_set_mac_address = lowpan_set_address, }; diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index ac2dff3c2c1c..bdbf68bb2e2d 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1443,7 +1443,8 @@ static size_t inet_nlmsg_size(void) + nla_total_size(4) /* IFA_LOCAL */ + nla_total_size(4) /* IFA_BROADCAST */ + nla_total_size(IFNAMSIZ) /* IFA_LABEL */ - + nla_total_size(4); /* IFA_FLAGS */ + + nla_total_size(4) /* IFA_FLAGS */ + + nla_total_size(sizeof(struct ifa_cacheinfo)); /* IFA_CACHEINFO */ } static inline u32 cstamp_delta(unsigned long cstamp) diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index bd28f386bd02..50228be5c17b 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -101,28 +101,22 @@ static void tunnel_dst_reset_all(struct ip_tunnel *t) __tunnel_dst_set(per_cpu_ptr(t->dst_cache, i), NULL); } -static struct dst_entry *tunnel_dst_get(struct ip_tunnel *t) +static struct rtable *tunnel_rtable_get(struct ip_tunnel *t, u32 cookie) { struct dst_entry *dst; rcu_read_lock(); dst = rcu_dereference(this_cpu_ptr(t->dst_cache)->dst); - if (dst) + if (dst) { + if (dst->obsolete && dst->ops->check(dst, cookie) == NULL) { + rcu_read_unlock(); + tunnel_dst_reset(t); + return NULL; + } dst_hold(dst); - rcu_read_unlock(); - return dst; -} - -static struct dst_entry *tunnel_dst_check(struct ip_tunnel *t, u32 cookie) -{ - struct dst_entry *dst = tunnel_dst_get(t); - - if (dst && dst->obsolete && dst->ops->check(dst, cookie) == NULL) { - tunnel_dst_reset(t); - return NULL; } - - return dst; + rcu_read_unlock(); + return (struct rtable *)dst; } /* Often modified stats are per cpu, other are shared (netdev->stats) */ @@ -584,7 +578,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi4 fl4; u8 tos, ttl; __be16 df; - struct rtable *rt = NULL; /* Route to the other host */ + struct rtable *rt; /* Route to the other host */ unsigned int max_headroom; /* The extra header space needed */ __be32 dst; int err; @@ -657,8 +651,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, init_tunnel_flow(&fl4, protocol, dst, tnl_params->saddr, tunnel->parms.o_key, RT_TOS(tos), tunnel->parms.link); - if (connected) - rt = (struct rtable *)tunnel_dst_check(tunnel, 0); + rt = connected ? tunnel_rtable_get(tunnel, 0) : NULL; if (!rt) { rt = ip_route_output_key(tunnel->net, &fl4); diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig index 81c6910cfa92..a26ce035e3fa 100644 --- a/net/ipv4/netfilter/Kconfig +++ b/net/ipv4/netfilter/Kconfig @@ -61,6 +61,11 @@ config NFT_CHAIN_NAT_IPV4 packet transformations such as the source, destination address and source and destination ports. +config NFT_REJECT_IPV4 + depends on NF_TABLES_IPV4 + default NFT_REJECT + tristate + config NF_TABLES_ARP depends on NF_TABLES tristate "ARP nf_tables support" diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile index c16be9d58420..90b82405331e 100644 --- a/net/ipv4/netfilter/Makefile +++ b/net/ipv4/netfilter/Makefile @@ -30,6 +30,7 @@ obj-$(CONFIG_NF_NAT_PROTO_GRE) += nf_nat_proto_gre.o obj-$(CONFIG_NF_TABLES_IPV4) += nf_tables_ipv4.o obj-$(CONFIG_NFT_CHAIN_ROUTE_IPV4) += nft_chain_route_ipv4.o obj-$(CONFIG_NFT_CHAIN_NAT_IPV4) += nft_chain_nat_ipv4.o +obj-$(CONFIG_NFT_REJECT_IPV4) += nft_reject_ipv4.o obj-$(CONFIG_NF_TABLES_ARP) += nf_tables_arp.o # generic IP tables diff --git a/net/ipv4/netfilter/nf_nat_h323.c b/net/ipv4/netfilter/nf_nat_h323.c index 9eea059dd621..574f7ebba0b6 100644 --- a/net/ipv4/netfilter/nf_nat_h323.c +++ b/net/ipv4/netfilter/nf_nat_h323.c @@ -229,7 +229,10 @@ static int nat_rtp_rtcp(struct sk_buff *skb, struct nf_conn *ct, ret = nf_ct_expect_related(rtcp_exp); if (ret == 0) break; - else if (ret != -EBUSY) { + else if (ret == -EBUSY) { + nf_ct_unexpect_related(rtp_exp); + continue; + } else if (ret < 0) { nf_ct_unexpect_related(rtp_exp); nated_port = 0; break; diff --git a/net/ipv4/netfilter/nft_reject_ipv4.c b/net/ipv4/netfilter/nft_reject_ipv4.c new file mode 100644 index 000000000000..e79718a382f2 --- /dev/null +++ b/net/ipv4/netfilter/nft_reject_ipv4.c @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2008-2009 Patrick McHardy + * Copyright (c) 2013 Eric Leblond + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Development of this code funded by Astaro AG (http://www.astaro.com/) + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +void nft_reject_ipv4_eval(const struct nft_expr *expr, + struct nft_data data[NFT_REG_MAX + 1], + const struct nft_pktinfo *pkt) +{ + struct nft_reject *priv = nft_expr_priv(expr); + + switch (priv->type) { + case NFT_REJECT_ICMP_UNREACH: + nf_send_unreach(pkt->skb, priv->icmp_code); + break; + case NFT_REJECT_TCP_RST: + nf_send_reset(pkt->skb, pkt->ops->hooknum); + break; + } + + data[NFT_REG_VERDICT].verdict = NF_DROP; +} +EXPORT_SYMBOL_GPL(nft_reject_ipv4_eval); + +static struct nft_expr_type nft_reject_ipv4_type; +static const struct nft_expr_ops nft_reject_ipv4_ops = { + .type = &nft_reject_ipv4_type, + .size = NFT_EXPR_SIZE(sizeof(struct nft_reject)), + .eval = nft_reject_ipv4_eval, + .init = nft_reject_init, + .dump = nft_reject_dump, +}; + +static struct nft_expr_type nft_reject_ipv4_type __read_mostly = { + .family = NFPROTO_IPV4, + .name = "reject", + .ops = &nft_reject_ipv4_ops, + .policy = nft_reject_policy, + .maxattr = NFTA_REJECT_MAX, + .owner = THIS_MODULE, +}; + +static int __init nft_reject_ipv4_module_init(void) +{ + return nft_register_expr(&nft_reject_ipv4_type); +} + +static void __exit nft_reject_ipv4_module_exit(void) +{ + nft_unregister_expr(&nft_reject_ipv4_type); +} + +module_init(nft_reject_ipv4_module_init); +module_exit(nft_reject_ipv4_module_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Patrick McHardy "); +MODULE_ALIAS_NFT_AF_EXPR(AF_INET, "reject"); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 4475b3bb494d..9f3a2db9109e 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2229,7 +2229,7 @@ adjudge_to_death: /* This is a (useful) BSD violating of the RFC. There is a * problem with TCP as specified in that the other end could * keep a socket open forever with no application left this end. - * We use a 3 minute timeout (about the same as BSD) then kill + * We use a 1 minute timeout (about the same as BSD) then kill * our end. If they send after that then tough - BUT: long enough * that we won't make the old 4*rto = almost no time - whoops * reset mistake. diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 65cf90e063d5..227cba79fa6b 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -671,6 +671,7 @@ static void tcp_rtt_estimator(struct sock *sk, const __u32 mrtt) { struct tcp_sock *tp = tcp_sk(sk); long m = mrtt; /* RTT */ + u32 srtt = tp->srtt; /* The following amusing code comes from Jacobson's * article in SIGCOMM '88. Note that rtt and mdev @@ -688,11 +689,9 @@ static void tcp_rtt_estimator(struct sock *sk, const __u32 mrtt) * does not matter how to _calculate_ it. Seems, it was trap * that VJ failed to avoid. 8) */ - if (m == 0) - m = 1; - if (tp->srtt != 0) { - m -= (tp->srtt >> 3); /* m is now error in rtt est */ - tp->srtt += m; /* rtt = 7/8 rtt + 1/8 new */ + if (srtt != 0) { + m -= (srtt >> 3); /* m is now error in rtt est */ + srtt += m; /* rtt = 7/8 rtt + 1/8 new */ if (m < 0) { m = -m; /* m is now abs(error) */ m -= (tp->mdev >> 2); /* similar update on mdev */ @@ -723,11 +722,12 @@ static void tcp_rtt_estimator(struct sock *sk, const __u32 mrtt) } } else { /* no previous measure. */ - tp->srtt = m << 3; /* take the measured time to be rtt */ + srtt = m << 3; /* take the measured time to be rtt */ tp->mdev = m << 1; /* make sure rto = 3*rtt */ tp->mdev_max = tp->rttvar = max(tp->mdev, tcp_rto_min(sk)); tp->rtt_seq = tp->snd_nxt; } + tp->srtt = max(1U, srtt); } /* Set the sk_pacing_rate to allow proper sizing of TSO packets. @@ -746,8 +746,10 @@ static void tcp_update_pacing_rate(struct sock *sk) rate *= max(tp->snd_cwnd, tp->packets_out); - /* Correction for small srtt : minimum srtt being 8 (1 jiffy << 3), - * be conservative and assume srtt = 1 (125 us instead of 1.25 ms) + /* Correction for small srtt and scheduling constraints. + * For small rtt, consider noise is too high, and use + * the minimal value (srtt = 1 -> 125 us for HZ=1000) + * * We probably need usec resolution in the future. * Note: This also takes care of possible srtt=0 case, * when tcp_rtt_estimator() was not yet called. diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 03d26b85eab8..3be16727f058 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -698,7 +698,8 @@ static void tcp_tsq_handler(struct sock *sk) if ((1 << sk->sk_state) & (TCPF_ESTABLISHED | TCPF_FIN_WAIT1 | TCPF_CLOSING | TCPF_CLOSE_WAIT | TCPF_LAST_ACK)) - tcp_write_xmit(sk, tcp_current_mss(sk), 0, 0, GFP_ATOMIC); + tcp_write_xmit(sk, tcp_current_mss(sk), tcp_sk(sk)->nonagle, + 0, GFP_ATOMIC); } /* * One tasklet per cpu tries to send more skbs. @@ -1904,7 +1905,15 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, if (atomic_read(&sk->sk_wmem_alloc) > limit) { set_bit(TSQ_THROTTLED, &tp->tsq_flags); - break; + /* It is possible TX completion already happened + * before we set TSQ_THROTTLED, so we must + * test again the condition. + * We abuse smp_mb__after_clear_bit() because + * there is no smp_mb__after_set_bit() yet + */ + smp_mb__after_clear_bit(); + if (atomic_read(&sk->sk_wmem_alloc) > limit) + break; } limit = mss_now; @@ -1977,7 +1986,7 @@ bool tcp_schedule_loss_probe(struct sock *sk) /* Schedule a loss probe in 2*RTT for SACK capable connections * in Open state, that are either limited by cwnd or application. */ - if (sysctl_tcp_early_retrans < 3 || !rtt || !tp->packets_out || + if (sysctl_tcp_early_retrans < 3 || !tp->srtt || !tp->packets_out || !tcp_is_sack(tp) || inet_csk(sk)->icsk_ca_state != TCP_CA_Open) return false; diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c index 25f5cee3a08a..88b4023ecfcf 100644 --- a/net/ipv4/udp_offload.c +++ b/net/ipv4/udp_offload.c @@ -17,6 +17,8 @@ static DEFINE_SPINLOCK(udp_offload_lock); static struct udp_offload_priv __rcu *udp_offload_base __read_mostly; +#define udp_deref_protected(X) rcu_dereference_protected(X, lockdep_is_held(&udp_offload_lock)) + struct udp_offload_priv { struct udp_offload *offload; struct rcu_head rcu; @@ -100,8 +102,7 @@ out: int udp_add_offload(struct udp_offload *uo) { - struct udp_offload_priv __rcu **head = &udp_offload_base; - struct udp_offload_priv *new_offload = kzalloc(sizeof(*new_offload), GFP_KERNEL); + struct udp_offload_priv *new_offload = kzalloc(sizeof(*new_offload), GFP_ATOMIC); if (!new_offload) return -ENOMEM; @@ -109,8 +110,8 @@ int udp_add_offload(struct udp_offload *uo) new_offload->offload = uo; spin_lock(&udp_offload_lock); - rcu_assign_pointer(new_offload->next, rcu_dereference(*head)); - rcu_assign_pointer(*head, new_offload); + new_offload->next = udp_offload_base; + rcu_assign_pointer(udp_offload_base, new_offload); spin_unlock(&udp_offload_lock); return 0; @@ -130,12 +131,12 @@ void udp_del_offload(struct udp_offload *uo) spin_lock(&udp_offload_lock); - uo_priv = rcu_dereference(*head); + uo_priv = udp_deref_protected(*head); for (; uo_priv != NULL; - uo_priv = rcu_dereference(*head)) { - + uo_priv = udp_deref_protected(*head)) { if (uo_priv->offload == uo) { - rcu_assign_pointer(*head, rcu_dereference(uo_priv->next)); + rcu_assign_pointer(*head, + udp_deref_protected(uo_priv->next)); goto unlock; } head = &uo_priv->next; diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index f81f59686f21..f2610e157660 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -414,7 +414,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info) addr_type = ipv6_addr_type(&hdr->daddr); if (ipv6_chk_addr(net, &hdr->daddr, skb->dev, 0) || - ipv6_anycast_destination(skb)) + ipv6_chk_acast_addr_src(net, skb->dev, &hdr->daddr)) saddr = &hdr->daddr; /* diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig index 35750df744dc..4bff1f297e39 100644 --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig @@ -50,6 +50,11 @@ config NFT_CHAIN_NAT_IPV6 packet transformations such as the source, destination address and source and destination ports. +config NFT_REJECT_IPV6 + depends on NF_TABLES_IPV6 + default NFT_REJECT + tristate + config IP6_NF_IPTABLES tristate "IP6 tables support (required for filtering)" depends on INET && IPV6 diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile index d1b4928f34f7..70d3dd66f2cd 100644 --- a/net/ipv6/netfilter/Makefile +++ b/net/ipv6/netfilter/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_NF_DEFRAG_IPV6) += nf_defrag_ipv6.o obj-$(CONFIG_NF_TABLES_IPV6) += nf_tables_ipv6.o obj-$(CONFIG_NFT_CHAIN_ROUTE_IPV6) += nft_chain_route_ipv6.o obj-$(CONFIG_NFT_CHAIN_NAT_IPV6) += nft_chain_nat_ipv6.o +obj-$(CONFIG_NFT_REJECT_IPV6) += nft_reject_ipv6.o # matches obj-$(CONFIG_IP6_NF_MATCH_AH) += ip6t_ah.o diff --git a/net/ipv6/netfilter/nft_reject_ipv6.c b/net/ipv6/netfilter/nft_reject_ipv6.c new file mode 100644 index 000000000000..0bc19fa87821 --- /dev/null +++ b/net/ipv6/netfilter/nft_reject_ipv6.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2008-2009 Patrick McHardy + * Copyright (c) 2013 Eric Leblond + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * Development of this code funded by Astaro AG (http://www.astaro.com/) + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +void nft_reject_ipv6_eval(const struct nft_expr *expr, + struct nft_data data[NFT_REG_MAX + 1], + const struct nft_pktinfo *pkt) +{ + struct nft_reject *priv = nft_expr_priv(expr); + struct net *net = dev_net((pkt->in != NULL) ? pkt->in : pkt->out); + + switch (priv->type) { + case NFT_REJECT_ICMP_UNREACH: + nf_send_unreach6(net, pkt->skb, priv->icmp_code, + pkt->ops->hooknum); + break; + case NFT_REJECT_TCP_RST: + nf_send_reset6(net, pkt->skb, pkt->ops->hooknum); + break; + } + + data[NFT_REG_VERDICT].verdict = NF_DROP; +} +EXPORT_SYMBOL_GPL(nft_reject_ipv6_eval); + +static struct nft_expr_type nft_reject_ipv6_type; +static const struct nft_expr_ops nft_reject_ipv6_ops = { + .type = &nft_reject_ipv6_type, + .size = NFT_EXPR_SIZE(sizeof(struct nft_reject)), + .eval = nft_reject_ipv6_eval, + .init = nft_reject_init, + .dump = nft_reject_dump, +}; + +static struct nft_expr_type nft_reject_ipv6_type __read_mostly = { + .family = NFPROTO_IPV6, + .name = "reject", + .ops = &nft_reject_ipv6_ops, + .policy = nft_reject_policy, + .maxattr = NFTA_REJECT_MAX, + .owner = THIS_MODULE, +}; + +static int __init nft_reject_ipv6_module_init(void) +{ + return nft_register_expr(&nft_reject_ipv6_type); +} + +static void __exit nft_reject_ipv6_module_exit(void) +{ + nft_unregister_expr(&nft_reject_ipv6_type); +} + +module_init(nft_reject_ipv6_module_init); +module_exit(nft_reject_ipv6_module_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Patrick McHardy "); +MODULE_ALIAS_NFT_AF_EXPR(AF_INET6, "reject"); diff --git a/net/ipx/af_ipx.c b/net/ipx/af_ipx.c index 994e28bfb32e..00b2a6d1c009 100644 --- a/net/ipx/af_ipx.c +++ b/net/ipx/af_ipx.c @@ -52,18 +52,12 @@ #include #include #include +#include #include +#include #include -#ifdef CONFIG_SYSCTL -extern void ipx_register_sysctl(void); -extern void ipx_unregister_sysctl(void); -#else -#define ipx_register_sysctl() -#define ipx_unregister_sysctl() -#endif - /* Configuration Variables */ static unsigned char ipxcfg_max_hops = 16; static char ipxcfg_auto_select_primary; @@ -84,15 +78,6 @@ DEFINE_SPINLOCK(ipx_interfaces_lock); struct ipx_interface *ipx_primary_net; struct ipx_interface *ipx_internal_net; -extern int ipxrtr_add_route(__be32 network, struct ipx_interface *intrfc, - unsigned char *node); -extern void ipxrtr_del_routes(struct ipx_interface *intrfc); -extern int ipxrtr_route_packet(struct sock *sk, struct sockaddr_ipx *usipx, - struct iovec *iov, size_t len, int noblock); -extern int ipxrtr_route_skb(struct sk_buff *skb); -extern struct ipx_route *ipxrtr_lookup(__be32 net); -extern int ipxrtr_ioctl(unsigned int cmd, void __user *arg); - struct ipx_interface *ipx_interfaces_head(void) { struct ipx_interface *rc = NULL; @@ -1986,9 +1971,6 @@ static struct notifier_block ipx_dev_notifier = { .notifier_call = ipxitf_device_event, }; -extern struct datalink_proto *make_EII_client(void); -extern void destroy_EII_client(struct datalink_proto *); - static const unsigned char ipx_8022_type = 0xE0; static const unsigned char ipx_snap_id[5] = { 0x0, 0x0, 0x0, 0x81, 0x37 }; static const char ipx_EII_err_msg[] __initconst = diff --git a/net/ipx/ipx_route.c b/net/ipx/ipx_route.c index 30f4519b092f..c1f03185c5e1 100644 --- a/net/ipx/ipx_route.c +++ b/net/ipx/ipx_route.c @@ -20,15 +20,11 @@ DEFINE_RWLOCK(ipx_routes_lock); extern struct ipx_interface *ipx_internal_net; -extern __be16 ipx_cksum(struct ipxhdr *packet, int length); extern struct ipx_interface *ipxitf_find_using_net(__be32 net); extern int ipxitf_demux_socket(struct ipx_interface *intrfc, struct sk_buff *skb, int copy); extern int ipxitf_demux_socket(struct ipx_interface *intrfc, struct sk_buff *skb, int copy); -extern int ipxitf_send(struct ipx_interface *intrfc, struct sk_buff *skb, - char *node); -extern struct ipx_interface *ipxitf_find_using_net(__be32 net); struct ipx_route *ipxrtr_lookup(__be32 net) { diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index f9ae9b85d4c1..453e974287d1 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1021,8 +1021,10 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, IEEE80211_P2P_OPPPS_ENABLE_BIT; err = ieee80211_assign_beacon(sdata, ¶ms->beacon); - if (err < 0) + if (err < 0) { + ieee80211_vif_release_channel(sdata); return err; + } changed |= err; err = drv_start_ap(sdata->local, sdata); @@ -1032,6 +1034,7 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, if (old) kfree_rcu(old, rcu_head); RCU_INIT_POINTER(sdata->u.ap.beacon, NULL); + ieee80211_vif_release_channel(sdata); return err; } @@ -1090,8 +1093,6 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) kfree(sdata->u.ap.next_beacon); sdata->u.ap.next_beacon = NULL; - cancel_work_sync(&sdata->u.ap.request_smps_work); - /* turn off carrier for this interface and dependent VLANs */ list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) netif_carrier_off(vlan->dev); @@ -1103,6 +1104,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) kfree_rcu(old_beacon, rcu_head); if (old_probe_resp) kfree_rcu(old_probe_resp, rcu_head); + sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF; __sta_info_flush(sdata, true); ieee80211_free_keys(sdata, true); @@ -2638,6 +2640,24 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); INIT_LIST_HEAD(&roc->dependents); + /* + * cookie is either the roc cookie (for normal roc) + * or the SKB (for mgmt TX) + */ + if (!txskb) { + /* local->mtx protects this */ + local->roc_cookie_counter++; + roc->cookie = local->roc_cookie_counter; + /* wow, you wrapped 64 bits ... more likely a bug */ + if (WARN_ON(roc->cookie == 0)) { + roc->cookie = 1; + local->roc_cookie_counter++; + } + *cookie = roc->cookie; + } else { + *cookie = (unsigned long)txskb; + } + /* if there's one pending or we're scanning, queue this one */ if (!list_empty(&local->roc_list) || local->scanning || local->radar_detect_enabled) @@ -2772,24 +2792,6 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, if (!queued) list_add_tail(&roc->list, &local->roc_list); - /* - * cookie is either the roc cookie (for normal roc) - * or the SKB (for mgmt TX) - */ - if (!txskb) { - /* local->mtx protects this */ - local->roc_cookie_counter++; - roc->cookie = local->roc_cookie_counter; - /* wow, you wrapped 64 bits ... more likely a bug */ - if (WARN_ON(roc->cookie == 0)) { - roc->cookie = 1; - local->roc_cookie_counter++; - } - *cookie = roc->cookie; - } else { - *cookie = (unsigned long)txskb; - } - return 0; } diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index fab7b91923e0..70dd013de836 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -466,7 +466,9 @@ void ieee80211_request_smps_ap_work(struct work_struct *work) u.ap.request_smps_work); sdata_lock(sdata); - __ieee80211_request_smps_ap(sdata, sdata->u.ap.driver_smps_mode); + if (sdata_dereference(sdata->u.ap.beacon, sdata)) + __ieee80211_request_smps_ap(sdata, + sdata->u.ap.driver_smps_mode); sdata_unlock(sdata); } diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 771080ec7212..2796a198728f 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -695,12 +695,9 @@ static void ieee80211_ibss_disconnect(struct ieee80211_sub_if_data *sdata) struct cfg80211_bss *cbss; struct beacon_data *presp; struct sta_info *sta; - int active_ibss; u16 capability; - active_ibss = ieee80211_sta_active_ibss(sdata); - - if (!active_ibss && !is_zero_ether_addr(ifibss->bssid)) { + if (!is_zero_ether_addr(ifibss->bssid)) { capability = WLAN_CAPABILITY_IBSS; if (ifibss->privacy) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 3dfd20a453ab..d6d1f1df9119 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -418,20 +418,24 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local) return ret; } + mutex_lock(&local->iflist_mtx); + rcu_assign_pointer(local->monitor_sdata, sdata); + mutex_unlock(&local->iflist_mtx); + mutex_lock(&local->mtx); ret = ieee80211_vif_use_channel(sdata, &local->monitor_chandef, IEEE80211_CHANCTX_EXCLUSIVE); mutex_unlock(&local->mtx); if (ret) { + mutex_lock(&local->iflist_mtx); + rcu_assign_pointer(local->monitor_sdata, NULL); + mutex_unlock(&local->iflist_mtx); + synchronize_net(); drv_remove_interface(local, sdata); kfree(sdata); return ret; } - mutex_lock(&local->iflist_mtx); - rcu_assign_pointer(local->monitor_sdata, sdata); - mutex_unlock(&local->iflist_mtx); - return 0; } @@ -770,12 +774,19 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, ieee80211_roc_purge(local, sdata); - if (sdata->vif.type == NL80211_IFTYPE_STATION) + switch (sdata->vif.type) { + case NL80211_IFTYPE_STATION: ieee80211_mgd_stop(sdata); - - if (sdata->vif.type == NL80211_IFTYPE_ADHOC) + break; + case NL80211_IFTYPE_ADHOC: ieee80211_ibss_stop(sdata); - + break; + case NL80211_IFTYPE_AP: + cancel_work_sync(&sdata->u.ap.request_smps_work); + break; + default: + break; + } /* * Remove all stations associated with this interface. diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 27c990bf2320..97a02d3f7d87 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -878,7 +878,7 @@ static int ieee80211_fragment(struct ieee80211_tx_data *tx, } /* adjust first fragment's length */ - skb->len = hdrlen + per_fragm; + skb_trim(skb, hdrlen + per_fragm); return 0; } diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index c37467562fd0..e9410d17619d 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -513,7 +513,6 @@ config NFT_QUEUE config NFT_REJECT depends on NF_TABLES - depends on NF_TABLES_IPV6 || !NF_TABLES_IPV6 default m if NETFILTER_ADVANCED=n tristate "Netfilter nf_tables reject support" help @@ -521,6 +520,11 @@ config NFT_REJECT explicitly deny and notify via TCP reset/ICMP informational errors unallowed traffic. +config NFT_REJECT_INET + depends on NF_TABLES_INET + default NFT_REJECT + tristate + config NFT_COMPAT depends on NF_TABLES depends on NETFILTER_XTABLES diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile index ee9c4de5f8ed..bffdad774da7 100644 --- a/net/netfilter/Makefile +++ b/net/netfilter/Makefile @@ -79,6 +79,7 @@ obj-$(CONFIG_NFT_LIMIT) += nft_limit.o obj-$(CONFIG_NFT_NAT) += nft_nat.o obj-$(CONFIG_NFT_QUEUE) += nft_queue.o obj-$(CONFIG_NFT_REJECT) += nft_reject.o +obj-$(CONFIG_NFT_REJECT_INET) += nft_reject_inet.o obj-$(CONFIG_NFT_RBTREE) += nft_rbtree.o obj-$(CONFIG_NFT_HASH) += nft_hash.o obj-$(CONFIG_NFT_COUNTER) += nft_counter.o diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c index 59a1a85bcb3e..a8eb0a89326a 100644 --- a/net/netfilter/ipvs/ip_vs_conn.c +++ b/net/netfilter/ipvs/ip_vs_conn.c @@ -871,11 +871,11 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, cp->protocol = p->protocol; ip_vs_addr_set(p->af, &cp->caddr, p->caddr); cp->cport = p->cport; - ip_vs_addr_set(p->af, &cp->vaddr, p->vaddr); - cp->vport = p->vport; - /* proto should only be IPPROTO_IP if d_addr is a fwmark */ + /* proto should only be IPPROTO_IP if p->vaddr is a fwmark */ ip_vs_addr_set(p->protocol == IPPROTO_IP ? AF_UNSPEC : p->af, - &cp->daddr, daddr); + &cp->vaddr, p->vaddr); + cp->vport = p->vport; + ip_vs_addr_set(p->af, &cp->daddr, daddr); cp->dport = dport; cp->flags = flags; cp->fwmark = fwmark; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 8824ed0ccc9c..356bef519fe5 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -312,6 +312,21 @@ static void death_by_timeout(unsigned long ul_conntrack) nf_ct_delete((struct nf_conn *)ul_conntrack, 0, 0); } +static inline bool +nf_ct_key_equal(struct nf_conntrack_tuple_hash *h, + const struct nf_conntrack_tuple *tuple, + u16 zone) +{ + struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(h); + + /* A conntrack can be recreated with the equal tuple, + * so we need to check that the conntrack is confirmed + */ + return nf_ct_tuple_equal(tuple, &h->tuple) && + nf_ct_zone(ct) == zone && + nf_ct_is_confirmed(ct); +} + /* * Warning : * - Caller must take a reference on returned object @@ -333,8 +348,7 @@ ____nf_conntrack_find(struct net *net, u16 zone, local_bh_disable(); begin: hlist_nulls_for_each_entry_rcu(h, n, &net->ct.hash[bucket], hnnode) { - if (nf_ct_tuple_equal(tuple, &h->tuple) && - nf_ct_zone(nf_ct_tuplehash_to_ctrack(h)) == zone) { + if (nf_ct_key_equal(h, tuple, zone)) { NF_CT_STAT_INC(net, found); local_bh_enable(); return h; @@ -372,8 +386,7 @@ begin: !atomic_inc_not_zero(&ct->ct_general.use))) h = NULL; else { - if (unlikely(!nf_ct_tuple_equal(tuple, &h->tuple) || - nf_ct_zone(ct) != zone)) { + if (unlikely(!nf_ct_key_equal(h, tuple, zone))) { nf_ct_put(ct); goto begin; } @@ -435,7 +448,9 @@ nf_conntrack_hash_check_insert(struct nf_conn *ct) goto out; add_timer(&ct->timeout); - nf_conntrack_get(&ct->ct_general); + smp_wmb(); + /* The caller holds a reference to this object */ + atomic_set(&ct->ct_general.use, 2); __nf_conntrack_hash_insert(ct, hash, repl_hash); NF_CT_STAT_INC(net, insert); spin_unlock_bh(&nf_conntrack_lock); @@ -449,6 +464,21 @@ out: } EXPORT_SYMBOL_GPL(nf_conntrack_hash_check_insert); +/* deletion from this larval template list happens via nf_ct_put() */ +void nf_conntrack_tmpl_insert(struct net *net, struct nf_conn *tmpl) +{ + __set_bit(IPS_TEMPLATE_BIT, &tmpl->status); + __set_bit(IPS_CONFIRMED_BIT, &tmpl->status); + nf_conntrack_get(&tmpl->ct_general); + + spin_lock_bh(&nf_conntrack_lock); + /* Overload tuple linked list to put us in template list. */ + hlist_nulls_add_head_rcu(&tmpl->tuplehash[IP_CT_DIR_ORIGINAL].hnnode, + &net->ct.tmpl); + spin_unlock_bh(&nf_conntrack_lock); +} +EXPORT_SYMBOL_GPL(nf_conntrack_tmpl_insert); + /* Confirm a connection given skb; places it in hash table */ int __nf_conntrack_confirm(struct sk_buff *skb) @@ -720,11 +750,10 @@ __nf_conntrack_alloc(struct net *net, u16 zone, nf_ct_zone->id = zone; } #endif - /* - * changes to lookup keys must be done before setting refcnt to 1 + /* Because we use RCU lookups, we set ct_general.use to zero before + * this is inserted in any list. */ - smp_wmb(); - atomic_set(&ct->ct_general.use, 1); + atomic_set(&ct->ct_general.use, 0); return ct; #ifdef CONFIG_NF_CONNTRACK_ZONES @@ -748,6 +777,11 @@ void nf_conntrack_free(struct nf_conn *ct) { struct net *net = nf_ct_net(ct); + /* A freed object has refcnt == 0, that's + * the golden rule for SLAB_DESTROY_BY_RCU + */ + NF_CT_ASSERT(atomic_read(&ct->ct_general.use) == 0); + nf_ct_ext_destroy(ct); nf_ct_ext_free(ct); kmem_cache_free(net->ct.nf_conntrack_cachep, ct); @@ -843,6 +877,9 @@ init_conntrack(struct net *net, struct nf_conn *tmpl, NF_CT_STAT_INC(net, new); } + /* Now it is inserted into the unconfirmed list, bump refcount */ + nf_conntrack_get(&ct->ct_general); + /* Overload tuple linked list to put us in unconfirmed list. */ hlist_nulls_add_head_rcu(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode, &net->ct.unconfirmed); diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c index 9858e3e51a3a..52e20c9a46a5 100644 --- a/net/netfilter/nf_synproxy_core.c +++ b/net/netfilter/nf_synproxy_core.c @@ -363,9 +363,8 @@ static int __net_init synproxy_net_init(struct net *net) goto err2; if (!nfct_synproxy_ext_add(ct)) goto err2; - __set_bit(IPS_TEMPLATE_BIT, &ct->status); - __set_bit(IPS_CONFIRMED_BIT, &ct->status); + nf_conntrack_tmpl_insert(net, ct); snet->tmpl = ct; snet->stats = alloc_percpu(struct synproxy_stats); @@ -390,7 +389,7 @@ static void __net_exit synproxy_net_exit(struct net *net) { struct synproxy_net *snet = synproxy_pernet(net); - nf_conntrack_free(snet->tmpl); + nf_ct_put(snet->tmpl); synproxy_proc_exit(net); free_percpu(snet->stats); } diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 117bbaaddde6..adce01e8bb57 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -1008,10 +1008,8 @@ notify: return 0; } -static void nf_tables_rcu_chain_destroy(struct rcu_head *head) +static void nf_tables_chain_destroy(struct nft_chain *chain) { - struct nft_chain *chain = container_of(head, struct nft_chain, rcu_head); - BUG_ON(chain->use > 0); if (chain->flags & NFT_BASE_CHAIN) { @@ -1045,7 +1043,7 @@ static int nf_tables_delchain(struct sock *nlsk, struct sk_buff *skb, if (IS_ERR(chain)) return PTR_ERR(chain); - if (!list_empty(&chain->rules)) + if (!list_empty(&chain->rules) || chain->use > 0) return -EBUSY; list_del(&chain->list); @@ -1059,7 +1057,9 @@ static int nf_tables_delchain(struct sock *nlsk, struct sk_buff *skb, family); /* Make sure all rule references are gone before this is released */ - call_rcu(&chain->rcu_head, nf_tables_rcu_chain_destroy); + synchronize_rcu(); + + nf_tables_chain_destroy(chain); return 0; } @@ -1114,35 +1114,45 @@ void nft_unregister_expr(struct nft_expr_type *type) } EXPORT_SYMBOL_GPL(nft_unregister_expr); -static const struct nft_expr_type *__nft_expr_type_get(struct nlattr *nla) +static const struct nft_expr_type *__nft_expr_type_get(u8 family, + struct nlattr *nla) { const struct nft_expr_type *type; list_for_each_entry(type, &nf_tables_expressions, list) { - if (!nla_strcmp(nla, type->name)) + if (!nla_strcmp(nla, type->name) && + (!type->family || type->family == family)) return type; } return NULL; } -static const struct nft_expr_type *nft_expr_type_get(struct nlattr *nla) +static const struct nft_expr_type *nft_expr_type_get(u8 family, + struct nlattr *nla) { const struct nft_expr_type *type; if (nla == NULL) return ERR_PTR(-EINVAL); - type = __nft_expr_type_get(nla); + type = __nft_expr_type_get(family, nla); if (type != NULL && try_module_get(type->owner)) return type; #ifdef CONFIG_MODULES if (type == NULL) { + nfnl_unlock(NFNL_SUBSYS_NFTABLES); + request_module("nft-expr-%u-%.*s", family, + nla_len(nla), (char *)nla_data(nla)); + nfnl_lock(NFNL_SUBSYS_NFTABLES); + if (__nft_expr_type_get(family, nla)) + return ERR_PTR(-EAGAIN); + nfnl_unlock(NFNL_SUBSYS_NFTABLES); request_module("nft-expr-%.*s", nla_len(nla), (char *)nla_data(nla)); nfnl_lock(NFNL_SUBSYS_NFTABLES); - if (__nft_expr_type_get(nla)) + if (__nft_expr_type_get(family, nla)) return ERR_PTR(-EAGAIN); } #endif @@ -1193,7 +1203,7 @@ static int nf_tables_expr_parse(const struct nft_ctx *ctx, if (err < 0) return err; - type = nft_expr_type_get(tb[NFTA_EXPR_NAME]); + type = nft_expr_type_get(ctx->afi->family, tb[NFTA_EXPR_NAME]); if (IS_ERR(type)) return PTR_ERR(type); @@ -1521,9 +1531,8 @@ err: return err; } -static void nf_tables_rcu_rule_destroy(struct rcu_head *head) +static void nf_tables_rule_destroy(struct nft_rule *rule) { - struct nft_rule *rule = container_of(head, struct nft_rule, rcu_head); struct nft_expr *expr; /* @@ -1538,11 +1547,6 @@ static void nf_tables_rcu_rule_destroy(struct rcu_head *head) kfree(rule); } -static void nf_tables_rule_destroy(struct nft_rule *rule) -{ - call_rcu(&rule->rcu_head, nf_tables_rcu_rule_destroy); -} - #define NFT_RULE_MAXEXPRS 128 static struct nft_expr_info *info; @@ -1809,9 +1813,6 @@ static int nf_tables_commit(struct sk_buff *skb) synchronize_rcu(); list_for_each_entry_safe(rupd, tmp, &net->nft.commit_list, list) { - /* Delete this rule from the dirty list */ - list_del(&rupd->list); - /* This rule was inactive in the past and just became active. * Clear the next bit of the genmask since its meaning has * changed, now it is the future. @@ -1822,6 +1823,7 @@ static int nf_tables_commit(struct sk_buff *skb) rupd->chain, rupd->rule, NFT_MSG_NEWRULE, 0, rupd->family); + list_del(&rupd->list); kfree(rupd); continue; } @@ -1831,7 +1833,15 @@ static int nf_tables_commit(struct sk_buff *skb) nf_tables_rule_notify(skb, rupd->nlh, rupd->table, rupd->chain, rupd->rule, NFT_MSG_DELRULE, 0, rupd->family); + } + + /* Make sure we don't see any packet traversing old rules */ + synchronize_rcu(); + + /* Now we can safely release unused old rules */ + list_for_each_entry_safe(rupd, tmp, &net->nft.commit_list, list) { nf_tables_rule_destroy(rupd->rule); + list_del(&rupd->list); kfree(rupd); } @@ -1844,20 +1854,26 @@ static int nf_tables_abort(struct sk_buff *skb) struct nft_rule_trans *rupd, *tmp; list_for_each_entry_safe(rupd, tmp, &net->nft.commit_list, list) { - /* Delete all rules from the dirty list */ - list_del(&rupd->list); - if (!nft_rule_is_active_next(net, rupd->rule)) { nft_rule_clear(net, rupd->rule); + list_del(&rupd->list); kfree(rupd); continue; } /* This rule is inactive, get rid of it */ list_del_rcu(&rupd->rule->list); + } + + /* Make sure we don't see any packet accessing aborted rules */ + synchronize_rcu(); + + list_for_each_entry_safe(rupd, tmp, &net->nft.commit_list, list) { nf_tables_rule_destroy(rupd->rule); + list_del(&rupd->list); kfree(rupd); } + return 0; } @@ -1943,6 +1959,9 @@ static int nft_ctx_init_from_setattr(struct nft_ctx *ctx, } if (nla[NFTA_SET_TABLE] != NULL) { + if (afi == NULL) + return -EAFNOSUPPORT; + table = nf_tables_table_lookup(afi, nla[NFTA_SET_TABLE]); if (IS_ERR(table)) return PTR_ERR(table); @@ -1989,13 +2008,13 @@ static int nf_tables_set_alloc_name(struct nft_ctx *ctx, struct nft_set *set, if (!sscanf(i->name, name, &tmp)) continue; - if (tmp < 0 || tmp > BITS_PER_LONG * PAGE_SIZE) + if (tmp < 0 || tmp >= BITS_PER_BYTE * PAGE_SIZE) continue; set_bit(tmp, inuse); } - n = find_first_zero_bit(inuse, BITS_PER_LONG * PAGE_SIZE); + n = find_first_zero_bit(inuse, BITS_PER_BYTE * PAGE_SIZE); free_page((unsigned long)inuse); } @@ -2428,6 +2447,8 @@ static int nf_tables_delset(struct sock *nlsk, struct sk_buff *skb, struct nft_ctx ctx; int err; + if (nfmsg->nfgen_family == NFPROTO_UNSPEC) + return -EAFNOSUPPORT; if (nla[NFTA_SET_TABLE] == NULL) return -EINVAL; @@ -2435,9 +2456,6 @@ static int nf_tables_delset(struct sock *nlsk, struct sk_buff *skb, if (err < 0) return err; - if (nfmsg->nfgen_family == NFPROTO_UNSPEC) - return -EAFNOSUPPORT; - set = nf_tables_set_lookup(ctx.table, nla[NFTA_SET_NAME]); if (IS_ERR(set)) return PTR_ERR(set); @@ -2723,6 +2741,9 @@ static int nft_add_set_elem(const struct nft_ctx *ctx, struct nft_set *set, if (nla[NFTA_SET_ELEM_DATA] == NULL && !(elem.flags & NFT_SET_ELEM_INTERVAL_END)) return -EINVAL; + if (nla[NFTA_SET_ELEM_DATA] != NULL && + elem.flags & NFT_SET_ELEM_INTERVAL_END) + return -EINVAL; } else { if (nla[NFTA_SET_ELEM_DATA] != NULL) return -EINVAL; @@ -2977,6 +2998,9 @@ static int nf_tables_loop_check_setelem(const struct nft_ctx *ctx, const struct nft_set_iter *iter, const struct nft_set_elem *elem) { + if (elem->flags & NFT_SET_ELEM_INTERVAL_END) + return 0; + switch (elem->data.verdict) { case NFT_JUMP: case NFT_GOTO: diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c index 0d879fcb8763..90998a6ff8b9 100644 --- a/net/netfilter/nf_tables_core.c +++ b/net/netfilter/nf_tables_core.c @@ -103,9 +103,9 @@ static struct nf_loginfo trace_loginfo = { }, }; -static inline void nft_trace_packet(const struct nft_pktinfo *pkt, - const struct nft_chain *chain, - int rulenum, enum nft_trace type) +static void nft_trace_packet(const struct nft_pktinfo *pkt, + const struct nft_chain *chain, + int rulenum, enum nft_trace type) { struct net *net = dev_net(pkt->in ? pkt->in : pkt->out); diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c index 917052e20602..46e275403838 100644 --- a/net/netfilter/nft_ct.c +++ b/net/netfilter/nft_ct.c @@ -226,6 +226,7 @@ static int nft_ct_init_validate_get(const struct nft_expr *expr, if (tb[NFTA_CT_DIRECTION] != NULL) return -EINVAL; break; + case NFT_CT_L3PROTOCOL: case NFT_CT_PROTOCOL: case NFT_CT_SRC: case NFT_CT_DST: @@ -311,8 +312,19 @@ static int nft_ct_get_dump(struct sk_buff *skb, const struct nft_expr *expr) goto nla_put_failure; if (nla_put_be32(skb, NFTA_CT_KEY, htonl(priv->key))) goto nla_put_failure; - if (nla_put_u8(skb, NFTA_CT_DIRECTION, priv->dir)) - goto nla_put_failure; + + switch (priv->key) { + case NFT_CT_PROTOCOL: + case NFT_CT_SRC: + case NFT_CT_DST: + case NFT_CT_PROTO_SRC: + case NFT_CT_PROTO_DST: + if (nla_put_u8(skb, NFTA_CT_DIRECTION, priv->dir)) + goto nla_put_failure; + default: + break; + } + return 0; nla_put_failure: diff --git a/net/netfilter/nft_log.c b/net/netfilter/nft_log.c index 5af790123ad8..26c5154e05f3 100644 --- a/net/netfilter/nft_log.c +++ b/net/netfilter/nft_log.c @@ -23,7 +23,6 @@ static const char *nft_log_null_prefix = ""; struct nft_log { struct nf_loginfo loginfo; char *prefix; - int family; }; static void nft_log_eval(const struct nft_expr *expr, @@ -33,7 +32,7 @@ static void nft_log_eval(const struct nft_expr *expr, const struct nft_log *priv = nft_expr_priv(expr); struct net *net = dev_net(pkt->in ? pkt->in : pkt->out); - nf_log_packet(net, priv->family, pkt->ops->hooknum, pkt->skb, pkt->in, + nf_log_packet(net, pkt->ops->pf, pkt->ops->hooknum, pkt->skb, pkt->in, pkt->out, &priv->loginfo, "%s", priv->prefix); } @@ -52,8 +51,6 @@ static int nft_log_init(const struct nft_ctx *ctx, struct nf_loginfo *li = &priv->loginfo; const struct nlattr *nla; - priv->family = ctx->afi->family; - nla = tb[NFTA_LOG_PREFIX]; if (nla != NULL) { priv->prefix = kmalloc(nla_len(nla) + 1, GFP_KERNEL); diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c index 8a6116b75b5a..bb4ef4cccb6e 100644 --- a/net/netfilter/nft_lookup.c +++ b/net/netfilter/nft_lookup.c @@ -16,6 +16,7 @@ #include #include #include +#include struct nft_lookup { struct nft_set *set; diff --git a/net/netfilter/nft_queue.c b/net/netfilter/nft_queue.c index cbea473d69e9..e8ae2f6bf232 100644 --- a/net/netfilter/nft_queue.c +++ b/net/netfilter/nft_queue.c @@ -25,7 +25,6 @@ struct nft_queue { u16 queuenum; u16 queues_total; u16 flags; - u8 family; }; static void nft_queue_eval(const struct nft_expr *expr, @@ -43,7 +42,7 @@ static void nft_queue_eval(const struct nft_expr *expr, queue = priv->queuenum + cpu % priv->queues_total; } else { queue = nfqueue_hash(pkt->skb, queue, - priv->queues_total, priv->family, + priv->queues_total, pkt->ops->pf, jhash_initval); } } @@ -71,7 +70,6 @@ static int nft_queue_init(const struct nft_ctx *ctx, return -EINVAL; init_hashrandom(&jhash_initval); - priv->family = ctx->afi->family; priv->queuenum = ntohs(nla_get_be16(tb[NFTA_QUEUE_NUM])); if (tb[NFTA_QUEUE_TOTAL] != NULL) diff --git a/net/netfilter/nft_rbtree.c b/net/netfilter/nft_rbtree.c index ca0c1b231bfe..e21d69d13506 100644 --- a/net/netfilter/nft_rbtree.c +++ b/net/netfilter/nft_rbtree.c @@ -69,8 +69,10 @@ static void nft_rbtree_elem_destroy(const struct nft_set *set, struct nft_rbtree_elem *rbe) { nft_data_uninit(&rbe->key, NFT_DATA_VALUE); - if (set->flags & NFT_SET_MAP) + if (set->flags & NFT_SET_MAP && + !(rbe->flags & NFT_SET_ELEM_INTERVAL_END)) nft_data_uninit(rbe->data, set->dtype); + kfree(rbe); } @@ -108,7 +110,8 @@ static int nft_rbtree_insert(const struct nft_set *set, int err; size = sizeof(*rbe); - if (set->flags & NFT_SET_MAP) + if (set->flags & NFT_SET_MAP && + !(elem->flags & NFT_SET_ELEM_INTERVAL_END)) size += sizeof(rbe->data[0]); rbe = kzalloc(size, GFP_KERNEL); @@ -117,7 +120,8 @@ static int nft_rbtree_insert(const struct nft_set *set, rbe->flags = elem->flags; nft_data_copy(&rbe->key, &elem->key); - if (set->flags & NFT_SET_MAP) + if (set->flags & NFT_SET_MAP && + !(rbe->flags & NFT_SET_ELEM_INTERVAL_END)) nft_data_copy(rbe->data, &elem->data); err = __nft_rbtree_insert(set, rbe); @@ -153,7 +157,8 @@ static int nft_rbtree_get(const struct nft_set *set, struct nft_set_elem *elem) parent = parent->rb_right; else { elem->cookie = rbe; - if (set->flags & NFT_SET_MAP) + if (set->flags & NFT_SET_MAP && + !(rbe->flags & NFT_SET_ELEM_INTERVAL_END)) nft_data_copy(&elem->data, rbe->data); elem->flags = rbe->flags; return 0; @@ -177,7 +182,8 @@ static void nft_rbtree_walk(const struct nft_ctx *ctx, rbe = rb_entry(node, struct nft_rbtree_elem, node); nft_data_copy(&elem.key, &rbe->key); - if (set->flags & NFT_SET_MAP) + if (set->flags & NFT_SET_MAP && + !(rbe->flags & NFT_SET_ELEM_INTERVAL_END)) nft_data_copy(&elem.data, rbe->data); elem.flags = rbe->flags; diff --git a/net/netfilter/nft_reject.c b/net/netfilter/nft_reject.c index 5e204711d704..f3448c296446 100644 --- a/net/netfilter/nft_reject.c +++ b/net/netfilter/nft_reject.c @@ -16,65 +16,23 @@ #include #include #include -#include -#include +#include -#if IS_ENABLED(CONFIG_NF_TABLES_IPV6) -#include -#endif - -struct nft_reject { - enum nft_reject_types type:8; - u8 icmp_code; - u8 family; -}; - -static void nft_reject_eval(const struct nft_expr *expr, - struct nft_data data[NFT_REG_MAX + 1], - const struct nft_pktinfo *pkt) -{ - struct nft_reject *priv = nft_expr_priv(expr); -#if IS_ENABLED(CONFIG_NF_TABLES_IPV6) - struct net *net = dev_net((pkt->in != NULL) ? pkt->in : pkt->out); -#endif - switch (priv->type) { - case NFT_REJECT_ICMP_UNREACH: - if (priv->family == NFPROTO_IPV4) - nf_send_unreach(pkt->skb, priv->icmp_code); -#if IS_ENABLED(CONFIG_NF_TABLES_IPV6) - else if (priv->family == NFPROTO_IPV6) - nf_send_unreach6(net, pkt->skb, priv->icmp_code, - pkt->ops->hooknum); -#endif - break; - case NFT_REJECT_TCP_RST: - if (priv->family == NFPROTO_IPV4) - nf_send_reset(pkt->skb, pkt->ops->hooknum); -#if IS_ENABLED(CONFIG_NF_TABLES_IPV6) - else if (priv->family == NFPROTO_IPV6) - nf_send_reset6(net, pkt->skb, pkt->ops->hooknum); -#endif - break; - } - - data[NFT_REG_VERDICT].verdict = NF_DROP; -} - -static const struct nla_policy nft_reject_policy[NFTA_REJECT_MAX + 1] = { +const struct nla_policy nft_reject_policy[NFTA_REJECT_MAX + 1] = { [NFTA_REJECT_TYPE] = { .type = NLA_U32 }, [NFTA_REJECT_ICMP_CODE] = { .type = NLA_U8 }, }; +EXPORT_SYMBOL_GPL(nft_reject_policy); -static int nft_reject_init(const struct nft_ctx *ctx, - const struct nft_expr *expr, - const struct nlattr * const tb[]) +int nft_reject_init(const struct nft_ctx *ctx, + const struct nft_expr *expr, + const struct nlattr * const tb[]) { struct nft_reject *priv = nft_expr_priv(expr); if (tb[NFTA_REJECT_TYPE] == NULL) return -EINVAL; - priv->family = ctx->afi->family; priv->type = ntohl(nla_get_be32(tb[NFTA_REJECT_TYPE])); switch (priv->type) { case NFT_REJECT_ICMP_UNREACH: @@ -89,8 +47,9 @@ static int nft_reject_init(const struct nft_ctx *ctx, return 0; } +EXPORT_SYMBOL_GPL(nft_reject_init); -static int nft_reject_dump(struct sk_buff *skb, const struct nft_expr *expr) +int nft_reject_dump(struct sk_buff *skb, const struct nft_expr *expr) { const struct nft_reject *priv = nft_expr_priv(expr); @@ -109,37 +68,7 @@ static int nft_reject_dump(struct sk_buff *skb, const struct nft_expr *expr) nla_put_failure: return -1; } - -static struct nft_expr_type nft_reject_type; -static const struct nft_expr_ops nft_reject_ops = { - .type = &nft_reject_type, - .size = NFT_EXPR_SIZE(sizeof(struct nft_reject)), - .eval = nft_reject_eval, - .init = nft_reject_init, - .dump = nft_reject_dump, -}; - -static struct nft_expr_type nft_reject_type __read_mostly = { - .name = "reject", - .ops = &nft_reject_ops, - .policy = nft_reject_policy, - .maxattr = NFTA_REJECT_MAX, - .owner = THIS_MODULE, -}; - -static int __init nft_reject_module_init(void) -{ - return nft_register_expr(&nft_reject_type); -} - -static void __exit nft_reject_module_exit(void) -{ - nft_unregister_expr(&nft_reject_type); -} - -module_init(nft_reject_module_init); -module_exit(nft_reject_module_exit); +EXPORT_SYMBOL_GPL(nft_reject_dump); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Patrick McHardy "); -MODULE_ALIAS_NFT_EXPR("reject"); diff --git a/net/netfilter/nft_reject_inet.c b/net/netfilter/nft_reject_inet.c new file mode 100644 index 000000000000..8a310f239c93 --- /dev/null +++ b/net/netfilter/nft_reject_inet.c @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2014 Patrick McHardy + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +static void nft_reject_inet_eval(const struct nft_expr *expr, + struct nft_data data[NFT_REG_MAX + 1], + const struct nft_pktinfo *pkt) +{ + switch (pkt->ops->pf) { + case NFPROTO_IPV4: + nft_reject_ipv4_eval(expr, data, pkt); + case NFPROTO_IPV6: + nft_reject_ipv6_eval(expr, data, pkt); + } +} + +static struct nft_expr_type nft_reject_inet_type; +static const struct nft_expr_ops nft_reject_inet_ops = { + .type = &nft_reject_inet_type, + .size = NFT_EXPR_SIZE(sizeof(struct nft_reject)), + .eval = nft_reject_inet_eval, + .init = nft_reject_init, + .dump = nft_reject_dump, +}; + +static struct nft_expr_type nft_reject_inet_type __read_mostly = { + .family = NFPROTO_INET, + .name = "reject", + .ops = &nft_reject_inet_ops, + .policy = nft_reject_policy, + .maxattr = NFTA_REJECT_MAX, + .owner = THIS_MODULE, +}; + +static int __init nft_reject_inet_module_init(void) +{ + return nft_register_expr(&nft_reject_inet_type); +} + +static void __exit nft_reject_inet_module_exit(void) +{ + nft_unregister_expr(&nft_reject_inet_type); +} + +module_init(nft_reject_inet_module_init); +module_exit(nft_reject_inet_module_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Patrick McHardy "); +MODULE_ALIAS_NFT_AF_EXPR(1, "reject"); diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c index 5929be622c5c..75747aecdebe 100644 --- a/net/netfilter/xt_CT.c +++ b/net/netfilter/xt_CT.c @@ -228,12 +228,7 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par, goto err3; } - __set_bit(IPS_TEMPLATE_BIT, &ct->status); - __set_bit(IPS_CONFIRMED_BIT, &ct->status); - - /* Overload tuple linked list to put us in template list. */ - hlist_nulls_add_head_rcu(&ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode, - &par->net->ct.tmpl); + nf_conntrack_tmpl_insert(par->net, ct); out: info->ct = ct; return 0; diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index df4692826ead..e9a48baf8551 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -55,6 +55,7 @@ #include "datapath.h" #include "flow.h" +#include "flow_table.h" #include "flow_netlink.h" #include "vport-internal_dev.h" #include "vport-netdev.h" @@ -160,7 +161,6 @@ static void destroy_dp_rcu(struct rcu_head *rcu) { struct datapath *dp = container_of(rcu, struct datapath, rcu); - ovs_flow_tbl_destroy(&dp->table); free_percpu(dp->stats_percpu); release_net(ovs_dp_get_net(dp)); kfree(dp->ports); @@ -466,6 +466,14 @@ static int queue_userspace_packet(struct datapath *dp, struct sk_buff *skb, skb_zerocopy(user_skb, skb, skb->len, hlen); + /* Pad OVS_PACKET_ATTR_PACKET if linear copy was performed */ + if (!(dp->user_features & OVS_DP_F_UNALIGNED)) { + size_t plen = NLA_ALIGN(user_skb->len) - user_skb->len; + + if (plen > 0) + memset(skb_put(user_skb, plen), 0, plen); + } + ((struct nlmsghdr *) user_skb->data)->nlmsg_len = user_skb->len; err = genlmsg_unicast(ovs_dp_get_net(dp), user_skb, upcall_info->portid); @@ -852,11 +860,8 @@ static int ovs_flow_cmd_new_or_set(struct sk_buff *skb, struct genl_info *info) goto err_unlock_ovs; /* The unmasked key has to be the same for flow updates. */ - error = -EINVAL; - if (!ovs_flow_cmp_unmasked_key(flow, &match)) { - OVS_NLERR("Flow modification message rejected, unmasked key does not match.\n"); + if (!ovs_flow_cmp_unmasked_key(flow, &match)) goto err_unlock_ovs; - } /* Update actions. */ old_acts = ovsl_dereference(flow->sf_acts); @@ -1079,6 +1084,7 @@ static size_t ovs_dp_cmd_msg_size(void) msgsize += nla_total_size(IFNAMSIZ); msgsize += nla_total_size(sizeof(struct ovs_dp_stats)); msgsize += nla_total_size(sizeof(struct ovs_dp_megaflow_stats)); + msgsize += nla_total_size(sizeof(u32)); /* OVS_DP_ATTR_USER_FEATURES */ return msgsize; } @@ -1279,7 +1285,7 @@ err_destroy_ports_array: err_destroy_percpu: free_percpu(dp->stats_percpu); err_destroy_table: - ovs_flow_tbl_destroy(&dp->table); + ovs_flow_tbl_destroy(&dp->table, false); err_free_dp: release_net(ovs_dp_get_net(dp)); kfree(dp); @@ -1306,10 +1312,13 @@ static void __dp_destroy(struct datapath *dp) list_del_rcu(&dp->list_node); /* OVSP_LOCAL is datapath internal port. We need to make sure that - * all port in datapath are destroyed first before freeing datapath. + * all ports in datapath are destroyed first before freeing datapath. */ ovs_dp_detach_port(ovs_vport_ovsl(dp, OVSP_LOCAL)); + /* RCU destroy the flow table */ + ovs_flow_tbl_destroy(&dp->table, true); + call_rcu(&dp->rcu, destroy_dp_rcu); } diff --git a/net/openvswitch/flow_table.c b/net/openvswitch/flow_table.c index c58a0fe3c889..3c268b3d71c3 100644 --- a/net/openvswitch/flow_table.c +++ b/net/openvswitch/flow_table.c @@ -153,29 +153,29 @@ static void rcu_free_flow_callback(struct rcu_head *rcu) flow_free(flow); } -static void flow_mask_del_ref(struct sw_flow_mask *mask, bool deferred) -{ - if (!mask) - return; - - BUG_ON(!mask->ref_count); - mask->ref_count--; - - if (!mask->ref_count) { - list_del_rcu(&mask->list); - if (deferred) - kfree_rcu(mask, rcu); - else - kfree(mask); - } -} - void ovs_flow_free(struct sw_flow *flow, bool deferred) { if (!flow) return; - flow_mask_del_ref(flow->mask, deferred); + if (flow->mask) { + struct sw_flow_mask *mask = flow->mask; + + /* ovs-lock is required to protect mask-refcount and + * mask list. + */ + ASSERT_OVSL(); + BUG_ON(!mask->ref_count); + mask->ref_count--; + + if (!mask->ref_count) { + list_del_rcu(&mask->list); + if (deferred) + kfree_rcu(mask, rcu); + else + kfree(mask); + } + } if (deferred) call_rcu(&flow->rcu, rcu_free_flow_callback); @@ -188,26 +188,9 @@ static void free_buckets(struct flex_array *buckets) flex_array_free(buckets); } + static void __table_instance_destroy(struct table_instance *ti) { - int i; - - if (ti->keep_flows) - goto skip_flows; - - for (i = 0; i < ti->n_buckets; i++) { - struct sw_flow *flow; - struct hlist_head *head = flex_array_get(ti->buckets, i); - struct hlist_node *n; - int ver = ti->node_ver; - - hlist_for_each_entry_safe(flow, n, head, hash_node[ver]) { - hlist_del(&flow->hash_node[ver]); - ovs_flow_free(flow, false); - } - } - -skip_flows: free_buckets(ti->buckets); kfree(ti); } @@ -258,20 +241,38 @@ static void flow_tbl_destroy_rcu_cb(struct rcu_head *rcu) static void table_instance_destroy(struct table_instance *ti, bool deferred) { + int i; + if (!ti) return; + if (ti->keep_flows) + goto skip_flows; + + for (i = 0; i < ti->n_buckets; i++) { + struct sw_flow *flow; + struct hlist_head *head = flex_array_get(ti->buckets, i); + struct hlist_node *n; + int ver = ti->node_ver; + + hlist_for_each_entry_safe(flow, n, head, hash_node[ver]) { + hlist_del_rcu(&flow->hash_node[ver]); + ovs_flow_free(flow, deferred); + } + } + +skip_flows: if (deferred) call_rcu(&ti->rcu, flow_tbl_destroy_rcu_cb); else __table_instance_destroy(ti); } -void ovs_flow_tbl_destroy(struct flow_table *table) +void ovs_flow_tbl_destroy(struct flow_table *table, bool deferred) { struct table_instance *ti = ovsl_dereference(table->ti); - table_instance_destroy(ti, false); + table_instance_destroy(ti, deferred); } struct sw_flow *ovs_flow_tbl_dump_next(struct table_instance *ti, @@ -504,16 +505,11 @@ static struct sw_flow_mask *mask_alloc(void) mask = kmalloc(sizeof(*mask), GFP_KERNEL); if (mask) - mask->ref_count = 0; + mask->ref_count = 1; return mask; } -static void mask_add_ref(struct sw_flow_mask *mask) -{ - mask->ref_count++; -} - static bool mask_equal(const struct sw_flow_mask *a, const struct sw_flow_mask *b) { @@ -554,9 +550,11 @@ static int flow_mask_insert(struct flow_table *tbl, struct sw_flow *flow, mask->key = new->key; mask->range = new->range; list_add_rcu(&mask->list, &tbl->mask_list); + } else { + BUG_ON(!mask->ref_count); + mask->ref_count++; } - mask_add_ref(mask); flow->mask = mask; return 0; } diff --git a/net/openvswitch/flow_table.h b/net/openvswitch/flow_table.h index 1996e34c0fd8..baaeb101924d 100644 --- a/net/openvswitch/flow_table.h +++ b/net/openvswitch/flow_table.h @@ -60,7 +60,7 @@ void ovs_flow_free(struct sw_flow *, bool deferred); int ovs_flow_tbl_init(struct flow_table *); int ovs_flow_tbl_count(struct flow_table *table); -void ovs_flow_tbl_destroy(struct flow_table *table); +void ovs_flow_tbl_destroy(struct flow_table *table, bool deferred); int ovs_flow_tbl_flush(struct flow_table *flow_table); int ovs_flow_tbl_insert(struct flow_table *table, struct sw_flow *flow, diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 0f6259a6a932..2b1738ef9394 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -662,6 +662,8 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk, */ sctp_v6_to_sk_daddr(&asoc->peer.primary_addr, newsk); + newsk->sk_v6_rcv_saddr = sk->sk_v6_rcv_saddr; + sk_refcnt_debug_inc(newsk); if (newsk->sk_prot->init(newsk)) { diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 80a6640f329b..06c6ff0cb911 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -571,7 +571,7 @@ static void svc_check_conn_limits(struct svc_serv *serv) } } -int svc_alloc_arg(struct svc_rqst *rqstp) +static int svc_alloc_arg(struct svc_rqst *rqstp) { struct svc_serv *serv = rqstp->rq_server; struct xdr_buf *arg; @@ -612,7 +612,7 @@ int svc_alloc_arg(struct svc_rqst *rqstp) return 0; } -struct svc_xprt *svc_get_next_xprt(struct svc_rqst *rqstp, long timeout) +static struct svc_xprt *svc_get_next_xprt(struct svc_rqst *rqstp, long timeout) { struct svc_xprt *xprt; struct svc_pool *pool = rqstp->rq_pool; @@ -691,7 +691,7 @@ struct svc_xprt *svc_get_next_xprt(struct svc_rqst *rqstp, long timeout) return xprt; } -void svc_add_new_temp_xprt(struct svc_serv *serv, struct svc_xprt *newxpt) +static void svc_add_new_temp_xprt(struct svc_serv *serv, struct svc_xprt *newxpt) { spin_lock_bh(&serv->sv_lock); set_bit(XPT_TEMP, &newxpt->xpt_flags); diff --git a/net/wireless/core.c b/net/wireless/core.c index d89dee2259b5..010892b81a06 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -203,8 +203,11 @@ void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, rdev->opencount--; - WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev && - !rdev->scan_req->notified); + if (rdev->scan_req && rdev->scan_req->wdev == wdev) { + if (WARN_ON(!rdev->scan_req->notified)) + rdev->scan_req->aborted = true; + ___cfg80211_scan_done(rdev, false); + } } static int cfg80211_rfkill_set_block(void *data, bool blocked) @@ -440,9 +443,6 @@ int wiphy_register(struct wiphy *wiphy) int i; u16 ifmodes = wiphy->interface_modes; - /* support for 5/10 MHz is broken due to nl80211 API mess - disable */ - wiphy->flags &= ~WIPHY_FLAG_SUPPORTS_5_10_MHZ; - /* * There are major locking problems in nl80211/mac80211 for CSA, * disable for all drivers until this has been reworked. @@ -859,8 +859,11 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, break; case NETDEV_DOWN: cfg80211_update_iface_num(rdev, wdev->iftype, -1); - WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev && - !rdev->scan_req->notified); + if (rdev->scan_req && rdev->scan_req->wdev == wdev) { + if (WARN_ON(!rdev->scan_req->notified)) + rdev->scan_req->aborted = true; + ___cfg80211_scan_done(rdev, false); + } if (WARN_ON(rdev->sched_scan_req && rdev->sched_scan_req->dev == wdev->netdev)) { diff --git a/net/wireless/core.h b/net/wireless/core.h index 37ec16d7bb1a..f1d193b557b6 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -62,6 +62,7 @@ struct cfg80211_registered_device { struct rb_root bss_tree; u32 bss_generation; struct cfg80211_scan_request *scan_req; /* protected by RTNL */ + struct sk_buff *scan_msg; struct cfg80211_sched_scan_request *sched_scan_req; unsigned long suspend_at; struct work_struct scan_done_wk; @@ -361,7 +362,8 @@ int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, struct key_params *params, int key_idx, bool pairwise, const u8 *mac_addr); void __cfg80211_scan_done(struct work_struct *wk); -void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev); +void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, + bool send_message); void __cfg80211_sched_scan_results(struct work_struct *wk); int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, bool driver_initiated); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 7a742594916e..4fe2e6e2bc76 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1719,9 +1719,10 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) * We can then retry with the larger buffer. */ if ((ret == -ENOBUFS || ret == -EMSGSIZE) && - !skb->len && + !skb->len && !state->split && cb->min_dump_alloc < 4096) { cb->min_dump_alloc = 4096; + state->split_start = 0; rtnl_unlock(); return 1; } @@ -5244,7 +5245,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->scan) return -EOPNOTSUPP; - if (rdev->scan_req) { + if (rdev->scan_req || rdev->scan_msg) { err = -EBUSY; goto unlock; } @@ -10011,40 +10012,31 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, NL80211_MCGRP_SCAN, GFP_KERNEL); } -void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev) +struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, bool aborted) { struct sk_buff *msg; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) - return; + return NULL; if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, - NL80211_CMD_NEW_SCAN_RESULTS) < 0) { + aborted ? NL80211_CMD_SCAN_ABORTED : + NL80211_CMD_NEW_SCAN_RESULTS) < 0) { nlmsg_free(msg); - return; + return NULL; } - genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, - NL80211_MCGRP_SCAN, GFP_KERNEL); + return msg; } -void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev) +void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, + struct sk_buff *msg) { - struct sk_buff *msg; - - msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return; - if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, - NL80211_CMD_SCAN_ABORTED) < 0) { - nlmsg_free(msg); - return; - } - genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, NL80211_MCGRP_SCAN, GFP_KERNEL); } diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index b1b231324e10..75799746d845 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -8,10 +8,10 @@ void nl80211_exit(void); void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev); void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, struct wireless_dev *wdev); -void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev); -void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev); +struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, bool aborted); +void nl80211_send_scan_result(struct cfg80211_registered_device *rdev, + struct sk_buff *msg); void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, struct net_device *netdev, u32 cmd); void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, diff --git a/net/wireless/scan.c b/net/wireless/scan.c index b528e31da2cf..d1ed4aebbbb7 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -161,18 +161,25 @@ static void __cfg80211_bss_expire(struct cfg80211_registered_device *dev, dev->bss_generation++; } -void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev) +void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, + bool send_message) { struct cfg80211_scan_request *request; struct wireless_dev *wdev; + struct sk_buff *msg; #ifdef CONFIG_CFG80211_WEXT union iwreq_data wrqu; #endif ASSERT_RTNL(); - request = rdev->scan_req; + if (rdev->scan_msg) { + nl80211_send_scan_result(rdev, rdev->scan_msg); + rdev->scan_msg = NULL; + return; + } + request = rdev->scan_req; if (!request) return; @@ -186,18 +193,16 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev) if (wdev->netdev) cfg80211_sme_scan_done(wdev->netdev); - if (request->aborted) { - nl80211_send_scan_aborted(rdev, wdev); - } else { - if (request->flags & NL80211_SCAN_FLAG_FLUSH) { - /* flush entries from previous scans */ - spin_lock_bh(&rdev->bss_lock); - __cfg80211_bss_expire(rdev, request->scan_start); - spin_unlock_bh(&rdev->bss_lock); - } - nl80211_send_scan_done(rdev, wdev); + if (!request->aborted && + request->flags & NL80211_SCAN_FLAG_FLUSH) { + /* flush entries from previous scans */ + spin_lock_bh(&rdev->bss_lock); + __cfg80211_bss_expire(rdev, request->scan_start); + spin_unlock_bh(&rdev->bss_lock); } + msg = nl80211_build_scan_msg(rdev, wdev, request->aborted); + #ifdef CONFIG_CFG80211_WEXT if (wdev->netdev && !request->aborted) { memset(&wrqu, 0, sizeof(wrqu)); @@ -211,6 +216,11 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev) rdev->scan_req = NULL; kfree(request); + + if (!send_message) + rdev->scan_msg = msg; + else + nl80211_send_scan_result(rdev, msg); } void __cfg80211_scan_done(struct work_struct *wk) @@ -221,7 +231,7 @@ void __cfg80211_scan_done(struct work_struct *wk) scan_done_wk); rtnl_lock(); - ___cfg80211_scan_done(rdev); + ___cfg80211_scan_done(rdev, true); rtnl_unlock(); } @@ -1079,7 +1089,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, if (IS_ERR(rdev)) return PTR_ERR(rdev); - if (rdev->scan_req) { + if (rdev->scan_req || rdev->scan_msg) { err = -EBUSY; goto out; } @@ -1481,7 +1491,7 @@ int cfg80211_wext_giwscan(struct net_device *dev, if (IS_ERR(rdev)) return PTR_ERR(rdev); - if (rdev->scan_req) + if (rdev->scan_req || rdev->scan_msg) return -EAGAIN; res = ieee80211_scan_results(rdev, info, extra, data->length); diff --git a/net/wireless/sme.c b/net/wireless/sme.c index a63509118508..f04d4c32e96e 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -67,7 +67,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) ASSERT_RDEV_LOCK(rdev); ASSERT_WDEV_LOCK(wdev); - if (rdev->scan_req) + if (rdev->scan_req || rdev->scan_msg) return -EBUSY; if (wdev->conn->params.channel)