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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 

Conflicts:
	drivers/net/igb/igb_main.c
	drivers/net/qlge/qlge_main.c
	drivers/net/wireless/ath9k/ath9k.h
	drivers/net/wireless/ath9k/core.h
	drivers/net/wireless/ath9k/hw.c
This commit is contained in:
David S. Miller 2009-03-17 15:01:30 -07:00
parent bd257ed9f1 f10023a4ef
commit 2d6a5e9500
40 changed files with 5784 additions and 230 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
MAINTAINERS
View File

@ -3888,6 +3888,15 @@ L: linux-ide@vger.kernel.org
T: git kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git
S: Supported
SERVER ENGINES 10Gbps NIC - BladeEngine 2 DRIVER
P: Sathya Perla
M: sathyap@serverengines.com
P: Subbu Seetharaman
M: subbus@serverengines.com
L: netdev@vger.kernel.org
W: http://www.serverengines.com
S: Supported
SFC NETWORK DRIVER
P: Steve Hodgson
P: Ben Hutchings

13
drivers/net/Kconfig
View File

@ -1040,6 +1040,17 @@ config NI65
To compile this driver as a module, choose M here. The module
will be called ni65.
config DNET
tristate "Dave ethernet support (DNET)"
depends on NET_ETHERNET
select PHYLIB
help
The Dave ethernet interface (DNET) is found on Qong Board FPGA.
Say Y to include support for the DNET chip.
To compile this driver as a module, choose M here: the module
will be called dnet.
source "drivers/net/tulip/Kconfig"
config AT1700
@ -2618,6 +2629,8 @@ config QLGE
source "drivers/net/sfc/Kconfig"
source "drivers/net/benet/Kconfig"
endif # NETDEV_10000
source "drivers/net/tokenring/Kconfig"

2
drivers/net/Makefile
View File

@ -22,6 +22,7 @@ obj-$(CONFIG_GIANFAR) += gianfar_driver.o
obj-$(CONFIG_TEHUTI) += tehuti.o
obj-$(CONFIG_ENIC) += enic/
obj-$(CONFIG_JME) += jme.o
obj-$(CONFIG_BE2NET) += benet/
gianfar_driver-objs := gianfar.o \
gianfar_ethtool.o \
@ -232,6 +233,7 @@ obj-$(CONFIG_ENC28J60) += enc28j60.o
obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o
obj-$(CONFIG_DNET) += dnet.o
obj-$(CONFIG_MACB) += macb.o
obj-$(CONFIG_ARM) += arm/

7
drivers/net/benet/Kconfig Normal file
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@ -0,0 +1,7 @@
config BE2NET
tristate "ServerEngines' 10Gbps NIC - BladeEngine 2"
depends on PCI && INET
select INET_LRO
help
This driver implements the NIC functionality for ServerEngines'
10Gbps network adapter - BladeEngine 2.

7
drivers/net/benet/Makefile Normal file
View File

@ -0,0 +1,7 @@
#
# Makefile to build the network driver for ServerEngine's BladeEngine.
#
obj-$(CONFIG_BE2NET) += be2net.o
be2net-y := be_main.o be_cmds.o be_ethtool.o

327
drivers/net/benet/be.h Normal file
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@ -0,0 +1,327 @@
/*
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* 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. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
#ifndef BE_H
#define BE_H
#include <linux/pci.h>
#include <linux/etherdevice.h>
#include <linux/version.h>
#include <linux/delay.h>
#include <net/tcp.h>
#include <net/ip.h>
#include <net/ipv6.h>
#include <linux/if_vlan.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/inet_lro.h>
#include "be_hw.h"
#define DRV_VER "2.0.348"
#define DRV_NAME "be2net"
#define BE_NAME "ServerEngines BladeEngine2 10Gbps NIC"
#define DRV_DESC BE_NAME "Driver"
/* Number of bytes of an RX frame that are copied to skb->data */
#define BE_HDR_LEN 64
#define BE_MAX_JUMBO_FRAME_SIZE 9018
#define BE_MIN_MTU 256
#define BE_NUM_VLANS_SUPPORTED 64
#define BE_MAX_EQD 96
#define BE_MAX_TX_FRAG_COUNT 30
#define EVNT_Q_LEN 1024
#define TX_Q_LEN 2048
#define TX_CQ_LEN 1024
#define RX_Q_LEN 1024 /* Does not support any other value */
#define RX_CQ_LEN 1024
#define MCC_Q_LEN 64 /* total size not to exceed 8 pages */
#define MCC_CQ_LEN 256
#define BE_NAPI_WEIGHT 64
#define MAX_RX_POST BE_NAPI_WEIGHT /* Frags posted at a time */
#define RX_FRAGS_REFILL_WM (RX_Q_LEN - MAX_RX_POST)
#define BE_MAX_LRO_DESCRIPTORS 16
#define BE_MAX_FRAGS_PER_FRAME 16
struct be_dma_mem {
void *va;
dma_addr_t dma;
u32 size;
};
struct be_queue_info {
struct be_dma_mem dma_mem;
u16 len;
u16 entry_size; /* Size of an element in the queue */
u16 id;
u16 tail, head;
bool created;
atomic_t used; /* Number of valid elements in the queue */
};
struct be_ctrl_info {
u8 __iomem *csr;
u8 __iomem *db; /* Door Bell */
u8 __iomem *pcicfg; /* PCI config space */
int pci_func;
/* Mbox used for cmd request/response */
spinlock_t cmd_lock; /* For serializing cmds to BE card */
struct be_dma_mem mbox_mem;
/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
* is stored for freeing purpose */
struct be_dma_mem mbox_mem_alloced;
};
#include "be_cmds.h"
struct be_drvr_stats {
u32 be_tx_reqs; /* number of TX requests initiated */
u32 be_tx_stops; /* number of times TX Q was stopped */
u32 be_fwd_reqs; /* number of send reqs through forwarding i/f */
u32 be_tx_wrbs; /* number of tx WRBs used */
u32 be_tx_events; /* number of tx completion events */
u32 be_tx_compl; /* number of tx completion entries processed */
u64 be_tx_jiffies;
ulong be_tx_bytes;
ulong be_tx_bytes_prev;
u32 be_tx_rate;
u32 cache_barrier[16];
u32 be_ethrx_post_fail;/* number of ethrx buffer alloc failures */
u32 be_polls; /* number of times NAPI called poll function */
u32 be_rx_events; /* number of ucast rx completion events */
u32 be_rx_compl; /* number of rx completion entries processed */
u32 be_lro_hgram_data[8]; /* histogram of LRO data packets */
u32 be_lro_hgram_ack[8]; /* histogram of LRO ACKs */
u64 be_rx_jiffies;
ulong be_rx_bytes;
ulong be_rx_bytes_prev;
u32 be_rx_rate;
/* number of non ether type II frames dropped where
* frame len > length field of Mac Hdr */
u32 be_802_3_dropped_frames;
/* number of non ether type II frames malformed where
* in frame len < length field of Mac Hdr */
u32 be_802_3_malformed_frames;
u32 be_rxcp_err; /* Num rx completion entries w/ err set. */
ulong rx_fps_jiffies; /* jiffies at last FPS calc */
u32 be_rx_frags;
u32 be_prev_rx_frags;
u32 be_rx_fps; /* Rx frags per second */
};
struct be_stats_obj {
struct be_drvr_stats drvr_stats;
struct net_device_stats net_stats;
struct be_dma_mem cmd;
};
struct be_eq_obj {
struct be_queue_info q;
char desc[32];
/* Adaptive interrupt coalescing (AIC) info */
bool enable_aic;
u16 min_eqd; /* in usecs */
u16 max_eqd; /* in usecs */
u16 cur_eqd; /* in usecs */
struct napi_struct napi;
};
struct be_tx_obj {
struct be_queue_info q;
struct be_queue_info cq;
/* Remember the skbs that were transmitted */
struct sk_buff *sent_skb_list[TX_Q_LEN];
};
/* Struct to remember the pages posted for rx frags */
struct be_rx_page_info {
struct page *page;
dma_addr_t bus;
u16 page_offset;
bool last_page_user;
};
struct be_rx_obj {
struct be_queue_info q;
struct be_queue_info cq;
struct be_rx_page_info page_info_tbl[RX_Q_LEN];
struct net_lro_mgr lro_mgr;
struct net_lro_desc lro_desc[BE_MAX_LRO_DESCRIPTORS];
};
#define BE_NUM_MSIX_VECTORS 2 /* 1 each for Tx and Rx */
struct be_adapter {
struct pci_dev *pdev;
struct net_device *netdev;
/* Mbox, pci config, csr address information */
struct be_ctrl_info ctrl;
struct msix_entry msix_entries[BE_NUM_MSIX_VECTORS];
bool msix_enabled;
bool isr_registered;
/* TX Rings */
struct be_eq_obj tx_eq;
struct be_tx_obj tx_obj;
u32 cache_line_break[8];
/* Rx rings */
struct be_eq_obj rx_eq;
struct be_rx_obj rx_obj;
u32 big_page_size; /* Compounded page size shared by rx wrbs */
struct vlan_group *vlan_grp;
u16 num_vlans;
u8 vlan_tag[VLAN_GROUP_ARRAY_LEN];
struct be_stats_obj stats;
/* Work queue used to perform periodic tasks like getting statistics */
struct delayed_work work;
/* Ethtool knobs and info */
bool rx_csum; /* BE card must perform rx-checksumming */
u32 max_rx_coal;
char fw_ver[FW_VER_LEN];
u32 if_handle; /* Used to configure filtering */
u32 pmac_id; /* MAC addr handle used by BE card */
struct be_link_info link;
u32 port_num;
};
extern struct ethtool_ops be_ethtool_ops;
#define drvr_stats(adapter) (&adapter->stats.drvr_stats)
#define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops)
static inline u32 MODULO(u16 val, u16 limit)
{
BUG_ON(limit & (limit - 1));
return val & (limit - 1);
}
static inline void index_adv(u16 *index, u16 val, u16 limit)
{
*index = MODULO((*index + val), limit);
}
static inline void index_inc(u16 *index, u16 limit)
{
*index = MODULO((*index + 1), limit);
}
#define PAGE_SHIFT_4K 12
#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
/* Returns number of pages spanned by the data starting at the given addr */
#define PAGES_4K_SPANNED(_address, size) \
((u32)((((size_t)(_address) & (PAGE_SIZE_4K - 1)) + \
(size) + (PAGE_SIZE_4K - 1)) >> PAGE_SHIFT_4K))
/* Byte offset into the page corresponding to given address */
#define OFFSET_IN_PAGE(addr) \
((size_t)(addr) & (PAGE_SIZE_4K-1))
/* Returns bit offset within a DWORD of a bitfield */
#define AMAP_BIT_OFFSET(_struct, field) \
(((size_t)&(((_struct *)0)->field))%32)
/* Returns the bit mask of the field that is NOT shifted into location. */
static inline u32 amap_mask(u32 bitsize)
{
return (bitsize == 32 ? 0xFFFFFFFF : (1 << bitsize) - 1);
}
static inline void
amap_set(void *ptr, u32 dw_offset, u32 mask, u32 offset, u32 value)
{
u32 *dw = (u32 *) ptr + dw_offset;
*dw &= ~(mask << offset);
*dw |= (mask & value) << offset;
}
#define AMAP_SET_BITS(_struct, field, ptr, val) \
amap_set(ptr, \
offsetof(_struct, field)/32, \
amap_mask(sizeof(((_struct *)0)->field)), \
AMAP_BIT_OFFSET(_struct, field), \
val)
static inline u32 amap_get(void *ptr, u32 dw_offset, u32 mask, u32 offset)
{
u32 *dw = (u32 *) ptr;
return mask & (*(dw + dw_offset) >> offset);
}
#define AMAP_GET_BITS(_struct, field, ptr) \
amap_get(ptr, \
offsetof(_struct, field)/32, \
amap_mask(sizeof(((_struct *)0)->field)), \
AMAP_BIT_OFFSET(_struct, field))
#define be_dws_cpu_to_le(wrb, len) swap_dws(wrb, len)
#define be_dws_le_to_cpu(wrb, len) swap_dws(wrb, len)
static inline void swap_dws(void *wrb, int len)
{
#ifdef __BIG_ENDIAN
u32 *dw = wrb;
BUG_ON(len % 4);
do {
*dw = cpu_to_le32(*dw);
dw++;
len -= 4;
} while (len);
#endif /* __BIG_ENDIAN */
}
static inline u8 is_tcp_pkt(struct sk_buff *skb)
{
u8 val = 0;
if (ip_hdr(skb)->version == 4)
val = (ip_hdr(skb)->protocol == IPPROTO_TCP);
else if (ip_hdr(skb)->version == 6)
val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP);
return val;
}
static inline u8 is_udp_pkt(struct sk_buff *skb)
{
u8 val = 0;
if (ip_hdr(skb)->version == 4)
val = (ip_hdr(skb)->protocol == IPPROTO_UDP);
else if (ip_hdr(skb)->version == 6)
val = (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP);
return val;
}
#endif /* BE_H */

861
drivers/net/benet/be_cmds.c Normal file
View File

@ -0,0 +1,861 @@
/*
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* 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. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
#include "be.h"
static int be_mbox_db_ready_wait(void __iomem *db)
{
int cnt = 0, wait = 5;
u32 ready;
do {
ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK;
if (ready)
break;
if (cnt > 200000) {
printk(KERN_WARNING DRV_NAME
": mbox_db poll timed out\n");
return -1;
}
if (cnt > 50)
wait = 200;
cnt += wait;
udelay(wait);
} while (true);
return 0;
}
/*
* Insert the mailbox address into the doorbell in two steps
*/
static int be_mbox_db_ring(struct be_ctrl_info *ctrl)
{
int status;
u16 compl_status, extd_status;
u32 val = 0;
void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
struct be_dma_mem *mbox_mem = &ctrl->mbox_mem;
struct be_mcc_mailbox *mbox = mbox_mem->va;
struct be_mcc_cq_entry *cqe = &mbox->cqe;
memset(cqe, 0, sizeof(*cqe));
val &= ~MPU_MAILBOX_DB_RDY_MASK;
val |= MPU_MAILBOX_DB_HI_MASK;
/* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
iowrite32(val, db);
/* wait for ready to be set */
status = be_mbox_db_ready_wait(db);
if (status != 0)
return status;
val = 0;
val &= ~MPU_MAILBOX_DB_RDY_MASK;
val &= ~MPU_MAILBOX_DB_HI_MASK;
/* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
val |= (u32)(mbox_mem->dma >> 4) << 2;
iowrite32(val, db);
status = be_mbox_db_ready_wait(db);
if (status != 0)
return status;
/* compl entry has been made now */
be_dws_le_to_cpu(cqe, sizeof(*cqe));
if (!(cqe->flags & CQE_FLAGS_VALID_MASK)) {
printk(KERN_WARNING DRV_NAME ": ERROR invalid mbox compl\n");
return -1;
}
compl_status = (cqe->status >> CQE_STATUS_COMPL_SHIFT) &
CQE_STATUS_COMPL_MASK;
if (compl_status != MCC_STATUS_SUCCESS) {
extd_status = (cqe->status >> CQE_STATUS_EXTD_SHIFT) &
CQE_STATUS_EXTD_MASK;
printk(KERN_WARNING DRV_NAME
": ERROR in cmd compl. status(compl/extd)=%d/%d\n",
compl_status, extd_status);
}
return compl_status;
}
static int be_POST_stage_get(struct be_ctrl_info *ctrl, u16 *stage)
{
u32 sem = ioread32(ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
*stage = sem & EP_SEMAPHORE_POST_STAGE_MASK;
if ((sem >> EP_SEMAPHORE_POST_ERR_SHIFT) & EP_SEMAPHORE_POST_ERR_MASK)
return -1;
else
return 0;
}
static int be_POST_stage_poll(struct be_ctrl_info *ctrl, u16 poll_stage)
{
u16 stage, cnt, error;
for (cnt = 0; cnt < 5000; cnt++) {
error = be_POST_stage_get(ctrl, &stage);
if (error)
return -1;
if (stage == poll_stage)
break;
udelay(1000);
}
if (stage != poll_stage)
return -1;
return 0;
}
int be_cmd_POST(struct be_ctrl_info *ctrl)
{
u16 stage, error;
error = be_POST_stage_get(ctrl, &stage);
if (error)
goto err;
if (stage == POST_STAGE_ARMFW_RDY)
return 0;
if (stage != POST_STAGE_AWAITING_HOST_RDY)
goto err;
/* On awaiting host rdy, reset and again poll on awaiting host rdy */
iowrite32(POST_STAGE_BE_RESET, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
error = be_POST_stage_poll(ctrl, POST_STAGE_AWAITING_HOST_RDY);
if (error)
goto err;
/* Now kickoff POST and poll on armfw ready */
iowrite32(POST_STAGE_HOST_RDY, ctrl->csr + MPU_EP_SEMAPHORE_OFFSET);
error = be_POST_stage_poll(ctrl, POST_STAGE_ARMFW_RDY);
if (error)
goto err;
return 0;
err:
printk(KERN_WARNING DRV_NAME ": ERROR, stage=%d\n", stage);
return -1;
}
static inline void *embedded_payload(struct be_mcc_wrb *wrb)
{
return wrb->payload.embedded_payload;
}
static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
{
return &wrb->payload.sgl[0];
}
/* Don't touch the hdr after it's prepared */
static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
bool embedded, u8 sge_cnt)
{
if (embedded)
wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
else
wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
MCC_WRB_SGE_CNT_SHIFT;
wrb->payload_length = payload_len;
be_dws_cpu_to_le(wrb, 20);
}
/* Don't touch the hdr after it's prepared */
static void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
u8 subsystem, u8 opcode, int cmd_len)
{
req_hdr->opcode = opcode;
req_hdr->subsystem = subsystem;
req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
}
static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
struct be_dma_mem *mem)
{
int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
u64 dma = (u64)mem->dma;
for (i = 0; i < buf_pages; i++) {
pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
pages[i].hi = cpu_to_le32(upper_32_bits(dma));
dma += PAGE_SIZE_4K;
}
}
/* Converts interrupt delay in microseconds to multiplier value */
static u32 eq_delay_to_mult(u32 usec_delay)
{
#define MAX_INTR_RATE 651042
const u32 round = 10;
u32 multiplier;
if (usec_delay == 0)
multiplier = 0;
else {
u32 interrupt_rate = 1000000 / usec_delay;
/* Max delay, corresponding to the lowest interrupt rate */
if (interrupt_rate == 0)
multiplier = 1023;
else {
multiplier = (MAX_INTR_RATE - interrupt_rate) * round;
multiplier /= interrupt_rate;
/* Round the multiplier to the closest value.*/
multiplier = (multiplier + round/2) / round;
multiplier = min(multiplier, (u32)1023);
}
}
return multiplier;
}
static inline struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem)
{
return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
}
int be_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_eq_create *req = embedded_payload(wrb);
struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
struct be_dma_mem *q_mem = &eq->dma_mem;
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_EQ_CREATE, sizeof(*req));
req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
AMAP_SET_BITS(struct amap_eq_context, func, req->context,
ctrl->pci_func);
AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
/* 4byte eqe*/
AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
AMAP_SET_BITS(struct amap_eq_context, count, req->context,
__ilog2_u32(eq->len/256));
AMAP_SET_BITS(struct amap_eq_context, delaymult, req->context,
eq_delay_to_mult(eq_delay));
be_dws_cpu_to_le(req->context, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_db_ring(ctrl);
if (!status) {
eq->id = le16_to_cpu(resp->eq_id);
eq->created = true;
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr,
u8 type, bool permanent, u32 if_handle)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_mac_query *req = embedded_payload(wrb);
struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req));
req->type = type;
if (permanent) {
req->permanent = 1;
} else {
req->if_id = cpu_to_le16((u16)if_handle);
req->permanent = 0;
}
status = be_mbox_db_ring(ctrl);
if (!status)
memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr,
u32 if_id, u32 *pmac_id)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_pmac_add *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req));
req->if_id = cpu_to_le32(if_id);
memcpy(req->mac_address, mac_addr, ETH_ALEN);
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
*pmac_id = le32_to_cpu(resp->pmac_id);
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_pmac_del *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req));
req->if_id = cpu_to_le32(if_id);
req->pmac_id = cpu_to_le32(pmac_id);
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_cq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay, int coalesce_wm)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_cq_create *req = embedded_payload(wrb);
struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
struct be_dma_mem *q_mem = &cq->dma_mem;
void *ctxt = &req->context;
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_CQ_CREATE, sizeof(*req));
req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
AMAP_SET_BITS(struct amap_cq_context, coalescwm, ctxt, coalesce_wm);
AMAP_SET_BITS(struct amap_cq_context, nodelay, ctxt, no_delay);
AMAP_SET_BITS(struct amap_cq_context, count, ctxt,
__ilog2_u32(cq->len/256));
AMAP_SET_BITS(struct amap_cq_context, valid, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts);
AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 0);
AMAP_SET_BITS(struct amap_cq_context, func, ctxt, ctrl->pci_func);
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_db_ring(ctrl);
if (!status) {
cq->id = le16_to_cpu(resp->cq_id);
cq->created = true;
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_txq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *txq,
struct be_queue_info *cq)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_eth_tx_create *req = embedded_payload(wrb);
struct be_dma_mem *q_mem = &txq->dma_mem;
void *ctxt = &req->context;
int status;
u32 len_encoded;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE,
sizeof(*req));
req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
req->ulp_num = BE_ULP1_NUM;
req->type = BE_ETH_TX_RING_TYPE_STANDARD;
len_encoded = fls(txq->len); /* log2(len) + 1 */
if (len_encoded == 16)
len_encoded = 0;
AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt, len_encoded);
AMAP_SET_BITS(struct amap_tx_context, pci_func_id, ctxt,
ctrl->pci_func);
AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1);
AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id);
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb);
txq->id = le16_to_cpu(resp->cid);
txq->created = true;
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
u16 max_frame_size, u32 if_id, u32 rss)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_eth_rx_create *req = embedded_payload(wrb);
struct be_dma_mem *q_mem = &rxq->dma_mem;
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE,
sizeof(*req));
req->cq_id = cpu_to_le16(cq_id);
req->frag_size = fls(frag_size) - 1;
req->num_pages = 2;
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
req->interface_id = cpu_to_le32(if_id);
req->max_frame_size = cpu_to_le16(max_frame_size);
req->rss_queue = cpu_to_le32(rss);
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
rxq->id = le16_to_cpu(resp->id);
rxq->created = true;
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
/* Generic destroyer function for all types of queues */
int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
int queue_type)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_q_destroy *req = embedded_payload(wrb);
u8 subsys = 0, opcode = 0;
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
switch (queue_type) {
case QTYPE_EQ:
subsys = CMD_SUBSYSTEM_COMMON;
opcode = OPCODE_COMMON_EQ_DESTROY;
break;
case QTYPE_CQ:
subsys = CMD_SUBSYSTEM_COMMON;
opcode = OPCODE_COMMON_CQ_DESTROY;
break;
case QTYPE_TXQ:
subsys = CMD_SUBSYSTEM_ETH;
opcode = OPCODE_ETH_TX_DESTROY;
break;
case QTYPE_RXQ:
subsys = CMD_SUBSYSTEM_ETH;
opcode = OPCODE_ETH_RX_DESTROY;
break;
default:
printk(KERN_WARNING DRV_NAME ":bad Q type in Q destroy cmd\n");
status = -1;
goto err;
}
be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req));
req->id = cpu_to_le16(q->id);
status = be_mbox_db_ring(ctrl);
err:
spin_unlock(&ctrl->cmd_lock);
return status;
}
/* Create an rx filtering policy configuration on an i/f */
int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 flags, u8 *mac,
bool pmac_invalid, u32 *if_handle, u32 *pmac_id)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_if_create *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req));
req->capability_flags = cpu_to_le32(flags);
req->enable_flags = cpu_to_le32(flags);
if (!pmac_invalid)
memcpy(req->mac_addr, mac, ETH_ALEN);
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_if_create *resp = embedded_payload(wrb);
*if_handle = le32_to_cpu(resp->interface_id);
if (!pmac_invalid)
*pmac_id = le32_to_cpu(resp->pmac_id);
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 interface_id)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_if_destroy *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req));
req->interface_id = cpu_to_le32(interface_id);
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
return status;
}
/* Get stats is a non embedded command: the request is not embedded inside
* WRB but is a separate dma memory block
*/
int be_cmd_get_stats(struct be_ctrl_info *ctrl, struct be_dma_mem *nonemb_cmd)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_get_stats *req = nonemb_cmd->va;
struct be_sge *sge = nonembedded_sgl(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
memset(req, 0, sizeof(*req));
be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
OPCODE_ETH_GET_STATISTICS, sizeof(*req));
sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(nonemb_cmd->size);
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_get_stats *resp = nonemb_cmd->va;
be_dws_le_to_cpu(&resp->hw_stats, sizeof(resp->hw_stats));
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
struct be_link_info *link)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_link_status *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req));
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
link->speed = resp->mac_speed;
link->duplex = resp->mac_duplex;
link->fault = resp->mac_fault;
} else {
link->speed = PHY_LINK_SPEED_ZERO;
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_get_fw_version *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_GET_FW_VERSION, sizeof(*req));
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN);
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
/* set the EQ delay interval of an EQ to specified value */
int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_modify_eq_delay *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req));
req->num_eq = cpu_to_le32(1);
req->delay[0].eq_id = cpu_to_le32(eq_id);
req->delay[0].phase = 0;
req->delay[0].delay_multiplier = cpu_to_le32(eqd);
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id, u16 *vtag_array,
u32 num, bool untagged, bool promiscuous)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_vlan_config *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req));
req->interface_id = if_id;
req->promiscuous = promiscuous;
req->untagged = untagged;
req->num_vlan = num;
if (!promiscuous) {
memcpy(req->normal_vlan, vtag_array,
req->num_vlan * sizeof(vtag_array[0]));
}
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl, u8 port_num, bool en)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_promiscuous_config *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
OPCODE_ETH_PROMISCUOUS, sizeof(*req));
if (port_num)
req->port1_promiscuous = en;
else
req->port0_promiscuous = en;
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id, u8 *mac_table,
u32 num, bool promiscuous)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_mcast_mac_config *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req));
req->interface_id = if_id;
req->promiscuous = promiscuous;
if (!promiscuous) {
req->num_mac = cpu_to_le16(num);
if (num)
memcpy(req->mac, mac_table, ETH_ALEN * num);
}
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_set_flow_control(struct be_ctrl_info *ctrl, u32 tx_fc, u32 rx_fc)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_set_flow_control *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req));
req->tx_flow_control = cpu_to_le16((u16)tx_fc);
req->rx_flow_control = cpu_to_le16((u16)rx_fc);
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_get_flow_control(struct be_ctrl_info *ctrl, u32 *tx_fc, u32 *rx_fc)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_get_flow_control *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req));
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_get_flow_control *resp =
embedded_payload(wrb);
*tx_fc = le16_to_cpu(resp->tx_flow_control);
*rx_fc = le16_to_cpu(resp->rx_flow_control);
}
spin_unlock(&ctrl->cmd_lock);
return status;
}
int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_query_fw_cfg *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req));
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
*port_num = le32_to_cpu(resp->phys_port);
}
spin_unlock(&ctrl->cmd_lock);
return status;
}

688
drivers/net/benet/be_cmds.h Normal file
View File

@ -0,0 +1,688 @@
/*
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* 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. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
/*
* The driver sends configuration and managements command requests to the
* firmware in the BE. These requests are communicated to the processor
* using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
* WRB inside a MAILBOX.
* The commands are serviced by the ARM processor in the BladeEngine's MPU.
*/
struct be_sge {
u32 pa_lo;
u32 pa_hi;
u32 len;
};
#define MCC_WRB_EMBEDDED_MASK 1 /* bit 0 of dword 0*/
#define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */
#define MCC_WRB_SGE_CNT_MASK 0x1F /* bits 3 - 7 of dword 0 */
struct be_mcc_wrb {
u32 embedded; /* dword 0 */
u32 payload_length; /* dword 1 */
u32 tag0; /* dword 2 */
u32 tag1; /* dword 3 */
u32 rsvd; /* dword 4 */
union {
u8 embedded_payload[236]; /* used by embedded cmds */
struct be_sge sgl[19]; /* used by non-embedded cmds */
} payload;
};
#define CQE_FLAGS_VALID_MASK (1 << 31)
#define CQE_FLAGS_ASYNC_MASK (1 << 30)
#define CQE_FLAGS_COMPLETED_MASK (1 << 28)
#define CQE_FLAGS_CONSUMED_MASK (1 << 27)
/* Completion Status */
enum {
MCC_STATUS_SUCCESS = 0x0,
/* The client does not have sufficient privileges to execute the command */
MCC_STATUS_INSUFFICIENT_PRIVILEGES = 0x1,
/* A parameter in the command was invalid. */
MCC_STATUS_INVALID_PARAMETER = 0x2,
/* There are insufficient chip resources to execute the command */
MCC_STATUS_INSUFFICIENT_RESOURCES = 0x3,
/* The command is completing because the queue was getting flushed */
MCC_STATUS_QUEUE_FLUSHING = 0x4,
/* The command is completing with a DMA error */
MCC_STATUS_DMA_FAILED = 0x5
};
#define CQE_STATUS_COMPL_MASK 0xFFFF
#define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */
#define CQE_STATUS_EXTD_MASK 0xFFFF
#define CQE_STATUS_EXTD_SHIFT 0 /* bits 0 - 15 */
struct be_mcc_cq_entry {
u32 status; /* dword 0 */
u32 tag0; /* dword 1 */
u32 tag1; /* dword 2 */
u32 flags; /* dword 3 */
};
struct be_mcc_mailbox {
struct be_mcc_wrb wrb;
struct be_mcc_cq_entry cqe;
};
#define CMD_SUBSYSTEM_COMMON 0x1
#define CMD_SUBSYSTEM_ETH 0x3
#define OPCODE_COMMON_NTWK_MAC_QUERY 1
#define OPCODE_COMMON_NTWK_MAC_SET 2
#define OPCODE_COMMON_NTWK_MULTICAST_SET 3
#define OPCODE_COMMON_NTWK_VLAN_CONFIG 4
#define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
#define OPCODE_COMMON_CQ_CREATE 12
#define OPCODE_COMMON_EQ_CREATE 13
#define OPCODE_COMMON_MCC_CREATE 21
#define OPCODE_COMMON_NTWK_RX_FILTER 34
#define OPCODE_COMMON_GET_FW_VERSION 35
#define OPCODE_COMMON_SET_FLOW_CONTROL 36
#define OPCODE_COMMON_GET_FLOW_CONTROL 37
#define OPCODE_COMMON_SET_FRAME_SIZE 39
#define OPCODE_COMMON_MODIFY_EQ_DELAY 41
#define OPCODE_COMMON_FIRMWARE_CONFIG 42
#define OPCODE_COMMON_NTWK_INTERFACE_CREATE 50
#define OPCODE_COMMON_NTWK_INTERFACE_DESTROY 51
#define OPCODE_COMMON_CQ_DESTROY 54
#define OPCODE_COMMON_EQ_DESTROY 55
#define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG 58
#define OPCODE_COMMON_NTWK_PMAC_ADD 59
#define OPCODE_COMMON_NTWK_PMAC_DEL 60
#define OPCODE_ETH_ACPI_CONFIG 2
#define OPCODE_ETH_PROMISCUOUS 3
#define OPCODE_ETH_GET_STATISTICS 4
#define OPCODE_ETH_TX_CREATE 7
#define OPCODE_ETH_RX_CREATE 8
#define OPCODE_ETH_TX_DESTROY 9
#define OPCODE_ETH_RX_DESTROY 10
struct be_cmd_req_hdr {
u8 opcode; /* dword 0 */
u8 subsystem; /* dword 0 */
u8 port_number; /* dword 0 */
u8 domain; /* dword 0 */
u32 timeout; /* dword 1 */
u32 request_length; /* dword 2 */
u32 rsvd; /* dword 3 */
};
#define RESP_HDR_INFO_OPCODE_SHIFT 0 /* bits 0 - 7 */
#define RESP_HDR_INFO_SUBSYS_SHIFT 8 /* bits 8 - 15 */
struct be_cmd_resp_hdr {
u32 info; /* dword 0 */
u32 status; /* dword 1 */
u32 response_length; /* dword 2 */
u32 actual_resp_len; /* dword 3 */
};
struct phys_addr {
u32 lo;
u32 hi;
};
/**************************
* BE Command definitions *
**************************/
/* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field */
struct amap_eq_context {
u8 cidx[13]; /* dword 0*/
u8 rsvd0[3]; /* dword 0*/
u8 epidx[13]; /* dword 0*/
u8 valid; /* dword 0*/
u8 rsvd1; /* dword 0*/
u8 size; /* dword 0*/
u8 pidx[13]; /* dword 1*/
u8 rsvd2[3]; /* dword 1*/
u8 pd[10]; /* dword 1*/
u8 count[3]; /* dword 1*/
u8 solevent; /* dword 1*/
u8 stalled; /* dword 1*/
u8 armed; /* dword 1*/
u8 rsvd3[4]; /* dword 2*/
u8 func[8]; /* dword 2*/
u8 rsvd4; /* dword 2*/
u8 delaymult[10]; /* dword 2*/
u8 rsvd5[2]; /* dword 2*/
u8 phase[2]; /* dword 2*/
u8 nodelay; /* dword 2*/
u8 rsvd6[4]; /* dword 2*/
u8 rsvd7[32]; /* dword 3*/
} __packed;
struct be_cmd_req_eq_create {
struct be_cmd_req_hdr hdr;
u16 num_pages; /* sword */
u16 rsvd0; /* sword */
u8 context[sizeof(struct amap_eq_context) / 8];
struct phys_addr pages[8];
} __packed;
struct be_cmd_resp_eq_create {
struct be_cmd_resp_hdr resp_hdr;
u16 eq_id; /* sword */
u16 rsvd0; /* sword */
} __packed;
/******************** Mac query ***************************/
enum {
MAC_ADDRESS_TYPE_STORAGE = 0x0,
MAC_ADDRESS_TYPE_NETWORK = 0x1,
MAC_ADDRESS_TYPE_PD = 0x2,
MAC_ADDRESS_TYPE_MANAGEMENT = 0x3
};
struct mac_addr {
u16 size_of_struct;
u8 addr[ETH_ALEN];
} __packed;
struct be_cmd_req_mac_query {
struct be_cmd_req_hdr hdr;
u8 type;
u8 permanent;
u16 if_id;
} __packed;
struct be_cmd_resp_mac_query {
struct be_cmd_resp_hdr hdr;
struct mac_addr mac;
};
/******************** PMac Add ***************************/
struct be_cmd_req_pmac_add {
struct be_cmd_req_hdr hdr;
u32 if_id;
u8 mac_address[ETH_ALEN];
u8 rsvd0[2];
} __packed;
struct be_cmd_resp_pmac_add {
struct be_cmd_resp_hdr hdr;
u32 pmac_id;
};
/******************** PMac Del ***************************/
struct be_cmd_req_pmac_del {
struct be_cmd_req_hdr hdr;
u32 if_id;
u32 pmac_id;
};
/******************** Create CQ ***************************/
/* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field */
struct amap_cq_context {
u8 cidx[11]; /* dword 0*/
u8 rsvd0; /* dword 0*/
u8 coalescwm[2]; /* dword 0*/
u8 nodelay; /* dword 0*/
u8 epidx[11]; /* dword 0*/
u8 rsvd1; /* dword 0*/
u8 count[2]; /* dword 0*/
u8 valid; /* dword 0*/
u8 solevent; /* dword 0*/
u8 eventable; /* dword 0*/
u8 pidx[11]; /* dword 1*/
u8 rsvd2; /* dword 1*/
u8 pd[10]; /* dword 1*/
u8 eqid[8]; /* dword 1*/
u8 stalled; /* dword 1*/
u8 armed; /* dword 1*/
u8 rsvd3[4]; /* dword 2*/
u8 func[8]; /* dword 2*/
u8 rsvd4[20]; /* dword 2*/
u8 rsvd5[32]; /* dword 3*/
} __packed;
struct be_cmd_req_cq_create {
struct be_cmd_req_hdr hdr;
u16 num_pages;
u16 rsvd0;
u8 context[sizeof(struct amap_cq_context) / 8];
struct phys_addr pages[8];
} __packed;
struct be_cmd_resp_cq_create {
struct be_cmd_resp_hdr hdr;
u16 cq_id;
u16 rsvd0;
} __packed;
/******************** Create TxQ ***************************/
#define BE_ETH_TX_RING_TYPE_STANDARD 2
#define BE_ULP1_NUM 1
/* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field */
struct amap_tx_context {
u8 rsvd0[16]; /* dword 0 */
u8 tx_ring_size[4]; /* dword 0 */
u8 rsvd1[26]; /* dword 0 */
u8 pci_func_id[8]; /* dword 1 */
u8 rsvd2[9]; /* dword 1 */
u8 ctx_valid; /* dword 1 */
u8 cq_id_send[16]; /* dword 2 */
u8 rsvd3[16]; /* dword 2 */
u8 rsvd4[32]; /* dword 3 */
u8 rsvd5[32]; /* dword 4 */
u8 rsvd6[32]; /* dword 5 */
u8 rsvd7[32]; /* dword 6 */
u8 rsvd8[32]; /* dword 7 */
u8 rsvd9[32]; /* dword 8 */
u8 rsvd10[32]; /* dword 9 */
u8 rsvd11[32]; /* dword 10 */
u8 rsvd12[32]; /* dword 11 */
u8 rsvd13[32]; /* dword 12 */
u8 rsvd14[32]; /* dword 13 */
u8 rsvd15[32]; /* dword 14 */
u8 rsvd16[32]; /* dword 15 */
} __packed;
struct be_cmd_req_eth_tx_create {
struct be_cmd_req_hdr hdr;
u8 num_pages;
u8 ulp_num;
u8 type;
u8 bound_port;
u8 context[sizeof(struct amap_tx_context) / 8];
struct phys_addr pages[8];
} __packed;
struct be_cmd_resp_eth_tx_create {
struct be_cmd_resp_hdr hdr;
u16 cid;
u16 rsvd0;
} __packed;
/******************** Create RxQ ***************************/
struct be_cmd_req_eth_rx_create {
struct be_cmd_req_hdr hdr;
u16 cq_id;
u8 frag_size;
u8 num_pages;
struct phys_addr pages[2];
u32 interface_id;
u16 max_frame_size;
u16 rsvd0;
u32 rss_queue;
} __packed;
struct be_cmd_resp_eth_rx_create {
struct be_cmd_resp_hdr hdr;
u16 id;
u8 cpu_id;
u8 rsvd0;
} __packed;
/******************** Q Destroy ***************************/
/* Type of Queue to be destroyed */
enum {
QTYPE_EQ = 1,
QTYPE_CQ,
QTYPE_TXQ,
QTYPE_RXQ
};
struct be_cmd_req_q_destroy {
struct be_cmd_req_hdr hdr;
u16 id;
u16 bypass_flush; /* valid only for rx q destroy */
} __packed;
/************ I/f Create (it's actually I/f Config Create)**********/
/* Capability flags for the i/f */
enum be_if_flags {
BE_IF_FLAGS_RSS = 0x4,
BE_IF_FLAGS_PROMISCUOUS = 0x8,
BE_IF_FLAGS_BROADCAST = 0x10,
BE_IF_FLAGS_UNTAGGED = 0x20,
BE_IF_FLAGS_ULP = 0x40,
BE_IF_FLAGS_VLAN_PROMISCUOUS = 0x80,
BE_IF_FLAGS_VLAN = 0x100,
BE_IF_FLAGS_MCAST_PROMISCUOUS = 0x200,
BE_IF_FLAGS_PASS_L2_ERRORS = 0x400,
BE_IF_FLAGS_PASS_L3L4_ERRORS = 0x800
};
/* An RX interface is an object with one or more MAC addresses and
* filtering capabilities. */
struct be_cmd_req_if_create {
struct be_cmd_req_hdr hdr;
u32 version; /* ignore currntly */
u32 capability_flags;
u32 enable_flags;
u8 mac_addr[ETH_ALEN];
u8 rsvd0;
u8 pmac_invalid; /* if set, don't attach the mac addr to the i/f */
u32 vlan_tag; /* not used currently */
} __packed;
struct be_cmd_resp_if_create {
struct be_cmd_resp_hdr hdr;
u32 interface_id;
u32 pmac_id;
};
/****** I/f Destroy(it's actually I/f Config Destroy )**********/
struct be_cmd_req_if_destroy {
struct be_cmd_req_hdr hdr;
u32 interface_id;
};
/*************** HW Stats Get **********************************/
struct be_port_rxf_stats {
u32 rx_bytes_lsd; /* dword 0*/
u32 rx_bytes_msd; /* dword 1*/
u32 rx_total_frames; /* dword 2*/
u32 rx_unicast_frames; /* dword 3*/
u32 rx_multicast_frames; /* dword 4*/
u32 rx_broadcast_frames; /* dword 5*/
u32 rx_crc_errors; /* dword 6*/
u32 rx_alignment_symbol_errors; /* dword 7*/
u32 rx_pause_frames; /* dword 8*/
u32 rx_control_frames; /* dword 9*/
u32 rx_in_range_errors; /* dword 10*/
u32 rx_out_range_errors; /* dword 11*/
u32 rx_frame_too_long; /* dword 12*/
u32 rx_address_match_errors; /* dword 13*/
u32 rx_vlan_mismatch; /* dword 14*/
u32 rx_dropped_too_small; /* dword 15*/
u32 rx_dropped_too_short; /* dword 16*/
u32 rx_dropped_header_too_small; /* dword 17*/
u32 rx_dropped_tcp_length; /* dword 18*/
u32 rx_dropped_runt; /* dword 19*/
u32 rx_64_byte_packets; /* dword 20*/
u32 rx_65_127_byte_packets; /* dword 21*/
u32 rx_128_256_byte_packets; /* dword 22*/
u32 rx_256_511_byte_packets; /* dword 23*/
u32 rx_512_1023_byte_packets; /* dword 24*/
u32 rx_1024_1518_byte_packets; /* dword 25*/
u32 rx_1519_2047_byte_packets; /* dword 26*/
u32 rx_2048_4095_byte_packets; /* dword 27*/
u32 rx_4096_8191_byte_packets; /* dword 28*/
u32 rx_8192_9216_byte_packets; /* dword 29*/
u32 rx_ip_checksum_errs; /* dword 30*/
u32 rx_tcp_checksum_errs; /* dword 31*/
u32 rx_udp_checksum_errs; /* dword 32*/
u32 rx_non_rss_packets; /* dword 33*/
u32 rx_ipv4_packets; /* dword 34*/
u32 rx_ipv6_packets; /* dword 35*/
u32 rx_ipv4_bytes_lsd; /* dword 36*/
u32 rx_ipv4_bytes_msd; /* dword 37*/
u32 rx_ipv6_bytes_lsd; /* dword 38*/
u32 rx_ipv6_bytes_msd; /* dword 39*/
u32 rx_chute1_packets; /* dword 40*/
u32 rx_chute2_packets; /* dword 41*/
u32 rx_chute3_packets; /* dword 42*/
u32 rx_management_packets; /* dword 43*/
u32 rx_switched_unicast_packets; /* dword 44*/
u32 rx_switched_multicast_packets; /* dword 45*/
u32 rx_switched_broadcast_packets; /* dword 46*/
u32 tx_bytes_lsd; /* dword 47*/
u32 tx_bytes_msd; /* dword 48*/
u32 tx_unicastframes; /* dword 49*/
u32 tx_multicastframes; /* dword 50*/
u32 tx_broadcastframes; /* dword 51*/
u32 tx_pauseframes; /* dword 52*/
u32 tx_controlframes; /* dword 53*/
u32 tx_64_byte_packets; /* dword 54*/
u32 tx_65_127_byte_packets; /* dword 55*/
u32 tx_128_256_byte_packets; /* dword 56*/
u32 tx_256_511_byte_packets; /* dword 57*/
u32 tx_512_1023_byte_packets; /* dword 58*/
u32 tx_1024_1518_byte_packets; /* dword 59*/
u32 tx_1519_2047_byte_packets; /* dword 60*/
u32 tx_2048_4095_byte_packets; /* dword 61*/
u32 tx_4096_8191_byte_packets; /* dword 62*/
u32 tx_8192_9216_byte_packets; /* dword 63*/
u32 rx_fifo_overflow; /* dword 64*/
u32 rx_input_fifo_overflow; /* dword 65*/
};
struct be_rxf_stats {
struct be_port_rxf_stats port[2];
u32 rx_drops_no_pbuf; /* dword 132*/
u32 rx_drops_no_txpb; /* dword 133*/
u32 rx_drops_no_erx_descr; /* dword 134*/
u32 rx_drops_no_tpre_descr; /* dword 135*/
u32 management_rx_port_packets; /* dword 136*/
u32 management_rx_port_bytes; /* dword 137*/
u32 management_rx_port_pause_frames; /* dword 138*/
u32 management_rx_port_errors; /* dword 139*/
u32 management_tx_port_packets; /* dword 140*/
u32 management_tx_port_bytes; /* dword 141*/
u32 management_tx_port_pause; /* dword 142*/
u32 management_rx_port_rxfifo_overflow; /* dword 143*/
u32 rx_drops_too_many_frags; /* dword 144*/
u32 rx_drops_invalid_ring; /* dword 145*/
u32 forwarded_packets; /* dword 146*/
u32 rx_drops_mtu; /* dword 147*/
u32 rsvd0[15];
};
struct be_erx_stats {
u32 rx_drops_no_fragments[44]; /* dwordS 0 to 43*/
u32 debug_wdma_sent_hold; /* dword 44*/
u32 debug_wdma_pbfree_sent_hold; /* dword 45*/
u32 debug_wdma_zerobyte_pbfree_sent_hold; /* dword 46*/
u32 debug_pmem_pbuf_dealloc; /* dword 47*/
};
struct be_hw_stats {
struct be_rxf_stats rxf;
u32 rsvd[48];
struct be_erx_stats erx;
};
struct be_cmd_req_get_stats {
struct be_cmd_req_hdr hdr;
u8 rsvd[sizeof(struct be_hw_stats)];
};
struct be_cmd_resp_get_stats {
struct be_cmd_resp_hdr hdr;
struct be_hw_stats hw_stats;
};
struct be_cmd_req_vlan_config {
struct be_cmd_req_hdr hdr;
u8 interface_id;
u8 promiscuous;
u8 untagged;
u8 num_vlan;
u16 normal_vlan[64];
} __packed;
struct be_cmd_req_promiscuous_config {
struct be_cmd_req_hdr hdr;
u8 port0_promiscuous;
u8 port1_promiscuous;
u16 rsvd0;
} __packed;
struct macaddr {
u8 byte[ETH_ALEN];
};
struct be_cmd_req_mcast_mac_config {
struct be_cmd_req_hdr hdr;
u16 num_mac;
u8 promiscuous;
u8 interface_id;
struct macaddr mac[32];
} __packed;
static inline struct be_hw_stats *
hw_stats_from_cmd(struct be_cmd_resp_get_stats *cmd)
{
return &cmd->hw_stats;
}
/******************** Link Status Query *******************/
struct be_cmd_req_link_status {
struct be_cmd_req_hdr hdr;
u32 rsvd;
};
struct be_link_info {
u8 duplex;
u8 speed;
u8 fault;
};
enum {
PHY_LINK_DUPLEX_NONE = 0x0,
PHY_LINK_DUPLEX_HALF = 0x1,
PHY_LINK_DUPLEX_FULL = 0x2
};
enum {
PHY_LINK_SPEED_ZERO = 0x0, /* => No link */
PHY_LINK_SPEED_10MBPS = 0x1,
PHY_LINK_SPEED_100MBPS = 0x2,
PHY_LINK_SPEED_1GBPS = 0x3,
PHY_LINK_SPEED_10GBPS = 0x4
};
struct be_cmd_resp_link_status {
struct be_cmd_resp_hdr hdr;
u8 physical_port;
u8 mac_duplex;
u8 mac_speed;
u8 mac_fault;
u8 mgmt_mac_duplex;
u8 mgmt_mac_speed;
u16 rsvd0;
} __packed;
/******************** Get FW Version *******************/
#define FW_VER_LEN 32
struct be_cmd_req_get_fw_version {
struct be_cmd_req_hdr hdr;
u8 rsvd0[FW_VER_LEN];
u8 rsvd1[FW_VER_LEN];
} __packed;
struct be_cmd_resp_get_fw_version {
struct be_cmd_resp_hdr hdr;
u8 firmware_version_string[FW_VER_LEN];
u8 fw_on_flash_version_string[FW_VER_LEN];
} __packed;
/******************** Set Flow Contrl *******************/
struct be_cmd_req_set_flow_control {
struct be_cmd_req_hdr hdr;
u16 tx_flow_control;
u16 rx_flow_control;
} __packed;
/******************** Get Flow Contrl *******************/
struct be_cmd_req_get_flow_control {
struct be_cmd_req_hdr hdr;
u32 rsvd;
};
struct be_cmd_resp_get_flow_control {
struct be_cmd_resp_hdr hdr;
u16 tx_flow_control;
u16 rx_flow_control;
} __packed;
/******************** Modify EQ Delay *******************/
struct be_cmd_req_modify_eq_delay {
struct be_cmd_req_hdr hdr;
u32 num_eq;
struct {
u32 eq_id;
u32 phase;
u32 delay_multiplier;
} delay[8];
} __packed;
struct be_cmd_resp_modify_eq_delay {
struct be_cmd_resp_hdr hdr;
u32 rsvd0;
} __packed;
/******************** Get FW Config *******************/
struct be_cmd_req_query_fw_cfg {
struct be_cmd_req_hdr hdr;
u32 rsvd[30];
};
struct be_cmd_resp_query_fw_cfg {
struct be_cmd_resp_hdr hdr;
u32 be_config_number;
u32 asic_revision;
u32 phys_port;
u32 function_mode;
u32 rsvd[26];
};
extern int be_pci_fnum_get(struct be_ctrl_info *ctrl);
extern int be_cmd_POST(struct be_ctrl_info *ctrl);
extern int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr,
u8 type, bool permanent, u32 if_handle);
extern int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr,
u32 if_id, u32 *pmac_id);
extern int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id);
extern int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 if_flags, u8 *mac,
bool pmac_invalid, u32 *if_handle, u32 *pmac_id);
extern int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 if_handle);
extern int be_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay);
extern int be_cmd_cq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay,
int num_cqe_dma_coalesce);
extern int be_cmd_txq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *txq,
struct be_queue_info *cq);
extern int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *rxq, u16 cq_id,
u16 frag_size, u16 max_frame_size, u32 if_id,
u32 rss);
extern int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
int type);
extern int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
struct be_link_info *link);
extern int be_cmd_reset(struct be_ctrl_info *ctrl);
extern int be_cmd_get_stats(struct be_ctrl_info *ctrl,
struct be_dma_mem *nonemb_cmd);
extern int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver);
extern int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd);
extern int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id,
u16 *vtag_array, u32 num, bool untagged,
bool promiscuous);
extern int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl,
u8 port_num, bool en);
extern int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id,
u8 *mac_table, u32 num, bool promiscuous);
extern int be_cmd_set_flow_control(struct be_ctrl_info *ctrl,
u32 tx_fc, u32 rx_fc);
extern int be_cmd_get_flow_control(struct be_ctrl_info *ctrl,
u32 *tx_fc, u32 *rx_fc);
extern int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num);

362
drivers/net/benet/be_ethtool.c Normal file
View File

@ -0,0 +1,362 @@
/*
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* 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. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
#include "be.h"
#include <linux/ethtool.h>
struct be_ethtool_stat {
char desc[ETH_GSTRING_LEN];
int type;
int size;
int offset;
};
enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT, ERXSTAT};
#define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
offsetof(_struct, field)
#define NETSTAT_INFO(field) #field, NETSTAT,\
FIELDINFO(struct net_device_stats,\
field)
#define DRVSTAT_INFO(field) #field, DRVSTAT,\
FIELDINFO(struct be_drvr_stats, field)
#define MISCSTAT_INFO(field) #field, MISCSTAT,\
FIELDINFO(struct be_rxf_stats, field)
#define PORTSTAT_INFO(field) #field, PORTSTAT,\
FIELDINFO(struct be_port_rxf_stats, \
field)
#define ERXSTAT_INFO(field) #field, ERXSTAT,\
FIELDINFO(struct be_erx_stats, field)
static const struct be_ethtool_stat et_stats[] = {
{NETSTAT_INFO(rx_packets)},
{NETSTAT_INFO(tx_packets)},
{NETSTAT_INFO(rx_bytes)},
{NETSTAT_INFO(tx_bytes)},
{NETSTAT_INFO(rx_errors)},
{NETSTAT_INFO(tx_errors)},
{NETSTAT_INFO(rx_dropped)},
{NETSTAT_INFO(tx_dropped)},
{DRVSTAT_INFO(be_tx_reqs)},
{DRVSTAT_INFO(be_tx_stops)},
{DRVSTAT_INFO(be_fwd_reqs)},
{DRVSTAT_INFO(be_tx_wrbs)},
{DRVSTAT_INFO(be_polls)},
{DRVSTAT_INFO(be_tx_events)},
{DRVSTAT_INFO(be_rx_events)},
{DRVSTAT_INFO(be_tx_compl)},
{DRVSTAT_INFO(be_rx_compl)},
{DRVSTAT_INFO(be_ethrx_post_fail)},
{DRVSTAT_INFO(be_802_3_dropped_frames)},
{DRVSTAT_INFO(be_802_3_malformed_frames)},
{DRVSTAT_INFO(be_tx_rate)},
{DRVSTAT_INFO(be_rx_rate)},
{PORTSTAT_INFO(rx_unicast_frames)},
{PORTSTAT_INFO(rx_multicast_frames)},
{PORTSTAT_INFO(rx_broadcast_frames)},
{PORTSTAT_INFO(rx_crc_errors)},
{PORTSTAT_INFO(rx_alignment_symbol_errors)},
{PORTSTAT_INFO(rx_pause_frames)},
{PORTSTAT_INFO(rx_control_frames)},
{PORTSTAT_INFO(rx_in_range_errors)},
{PORTSTAT_INFO(rx_out_range_errors)},
{PORTSTAT_INFO(rx_frame_too_long)},
{PORTSTAT_INFO(rx_address_match_errors)},
{PORTSTAT_INFO(rx_vlan_mismatch)},
{PORTSTAT_INFO(rx_dropped_too_small)},
{PORTSTAT_INFO(rx_dropped_too_short)},
{PORTSTAT_INFO(rx_dropped_header_too_small)},
{PORTSTAT_INFO(rx_dropped_tcp_length)},
{PORTSTAT_INFO(rx_dropped_runt)},
{PORTSTAT_INFO(rx_fifo_overflow)},
{PORTSTAT_INFO(rx_input_fifo_overflow)},
{PORTSTAT_INFO(rx_ip_checksum_errs)},
{PORTSTAT_INFO(rx_tcp_checksum_errs)},
{PORTSTAT_INFO(rx_udp_checksum_errs)},
{PORTSTAT_INFO(rx_non_rss_packets)},
{PORTSTAT_INFO(rx_ipv4_packets)},
{PORTSTAT_INFO(rx_ipv6_packets)},
{PORTSTAT_INFO(tx_unicastframes)},
{PORTSTAT_INFO(tx_multicastframes)},
{PORTSTAT_INFO(tx_broadcastframes)},
{PORTSTAT_INFO(tx_pauseframes)},
{PORTSTAT_INFO(tx_controlframes)},
{MISCSTAT_INFO(rx_drops_no_pbuf)},
{MISCSTAT_INFO(rx_drops_no_txpb)},
{MISCSTAT_INFO(rx_drops_no_erx_descr)},
{MISCSTAT_INFO(rx_drops_no_tpre_descr)},
{MISCSTAT_INFO(rx_drops_too_many_frags)},
{MISCSTAT_INFO(rx_drops_invalid_ring)},
{MISCSTAT_INFO(forwarded_packets)},
{MISCSTAT_INFO(rx_drops_mtu)},
{ERXSTAT_INFO(rx_drops_no_fragments)},
};
#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
static void
be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
{
struct be_adapter *adapter = netdev_priv(netdev);
strcpy(drvinfo->driver, DRV_NAME);
strcpy(drvinfo->version, DRV_VER);
strncpy(drvinfo->fw_version, adapter->fw_ver, FW_VER_LEN);
strcpy(drvinfo->bus_info, pci_name(adapter->pdev));
drvinfo->testinfo_len = 0;
drvinfo->regdump_len = 0;
drvinfo->eedump_len = 0;
}
static int
be_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
{
struct be_adapter *adapter = netdev_priv(netdev);
struct be_eq_obj *rx_eq = &adapter->rx_eq;
struct be_eq_obj *tx_eq = &adapter->tx_eq;
coalesce->rx_max_coalesced_frames = adapter->max_rx_coal;
coalesce->rx_coalesce_usecs = rx_eq->cur_eqd;
coalesce->rx_coalesce_usecs_high = rx_eq->max_eqd;
coalesce->rx_coalesce_usecs_low = rx_eq->min_eqd;
coalesce->tx_coalesce_usecs = tx_eq->cur_eqd;
coalesce->tx_coalesce_usecs_high = tx_eq->max_eqd;
coalesce->tx_coalesce_usecs_low = tx_eq->min_eqd;
coalesce->use_adaptive_rx_coalesce = rx_eq->enable_aic;
coalesce->use_adaptive_tx_coalesce = tx_eq->enable_aic;
return 0;
}
/*
* This routine is used to set interrup coalescing delay *as well as*
* the number of pkts to coalesce for LRO.
*/
static int
be_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
{
struct be_adapter *adapter = netdev_priv(netdev);
struct be_ctrl_info *ctrl = &adapter->ctrl;
struct be_eq_obj *rx_eq = &adapter->rx_eq;
struct be_eq_obj *tx_eq = &adapter->tx_eq;
u32 tx_max, tx_min, tx_cur;
u32 rx_max, rx_min, rx_cur;
int status = 0;
if (coalesce->use_adaptive_tx_coalesce == 1)
return -EINVAL;
adapter->max_rx_coal = coalesce->rx_max_coalesced_frames;
if (adapter->max_rx_coal > MAX_SKB_FRAGS)
adapter->max_rx_coal = MAX_SKB_FRAGS - 1;
/* if AIC is being turned on now, start with an EQD of 0 */
if (rx_eq->enable_aic == 0 &&
coalesce->use_adaptive_rx_coalesce == 1) {
rx_eq->cur_eqd = 0;
}
rx_eq->enable_aic = coalesce->use_adaptive_rx_coalesce;
rx_max = coalesce->rx_coalesce_usecs_high;
rx_min = coalesce->rx_coalesce_usecs_low;
rx_cur = coalesce->rx_coalesce_usecs;
tx_max = coalesce->tx_coalesce_usecs_high;
tx_min = coalesce->tx_coalesce_usecs_low;
tx_cur = coalesce->tx_coalesce_usecs;
if (tx_cur > BE_MAX_EQD)
tx_cur = BE_MAX_EQD;
if (tx_eq->cur_eqd != tx_cur) {
status = be_cmd_modify_eqd(ctrl, tx_eq->q.id, tx_cur);
if (!status)
tx_eq->cur_eqd = tx_cur;
}
if (rx_eq->enable_aic) {
if (rx_max > BE_MAX_EQD)
rx_max = BE_MAX_EQD;
if (rx_min > rx_max)
rx_min = rx_max;
rx_eq->max_eqd = rx_max;
rx_eq->min_eqd = rx_min;
if (rx_eq->cur_eqd > rx_max)
rx_eq->cur_eqd = rx_max;
if (rx_eq->cur_eqd < rx_min)
rx_eq->cur_eqd = rx_min;
} else {
if (rx_cur > BE_MAX_EQD)
rx_cur = BE_MAX_EQD;
if (rx_eq->cur_eqd != rx_cur) {
status = be_cmd_modify_eqd(ctrl, rx_eq->q.id, rx_cur);
if (!status)
rx_eq->cur_eqd = rx_cur;
}
}
return 0;
}
static u32 be_get_rx_csum(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
return adapter->rx_csum;
}
static int be_set_rx_csum(struct net_device *netdev, uint32_t data)
{
struct be_adapter *adapter = netdev_priv(netdev);
if (data)
adapter->rx_csum = true;
else
adapter->rx_csum = false;
return 0;
}
static void
be_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, uint64_t *data)
{
struct be_adapter *adapter = netdev_priv(netdev);
struct be_drvr_stats *drvr_stats = &adapter->stats.drvr_stats;
struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats.cmd.va);
struct be_rxf_stats *rxf_stats = &hw_stats->rxf;
struct be_port_rxf_stats *port_stats =
&rxf_stats->port[adapter->port_num];
struct net_device_stats *net_stats = &adapter->stats.net_stats;
struct be_erx_stats *erx_stats = &hw_stats->erx;
void *p = NULL;
int i;
for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
switch (et_stats[i].type) {
case NETSTAT:
p = net_stats;
break;
case DRVSTAT:
p = drvr_stats;
break;
case PORTSTAT:
p = port_stats;
break;
case MISCSTAT:
p = rxf_stats;
break;
case ERXSTAT: /* Currently only one ERX stat is provided */
p = (u32 *)erx_stats + adapter->rx_obj.q.id;
break;
}
p = (u8 *)p + et_stats[i].offset;
data[i] = (et_stats[i].size == sizeof(u64)) ?
*(u64 *)p: *(u32 *)p;
}
return;
}
static void
be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
uint8_t *data)
{
int i;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
data += ETH_GSTRING_LEN;
}
break;
}
}
static int be_get_stats_count(struct net_device *netdev)
{
return ETHTOOL_STATS_NUM;
}
static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
{
ecmd->speed = SPEED_10000;
ecmd->duplex = DUPLEX_FULL;
ecmd->autoneg = AUTONEG_DISABLE;
return 0;
}
static void
be_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
{
struct be_adapter *adapter = netdev_priv(netdev);
ring->rx_max_pending = adapter->rx_obj.q.len;
ring->tx_max_pending = adapter->tx_obj.q.len;
ring->rx_pending = atomic_read(&adapter->rx_obj.q.used);
ring->tx_pending = atomic_read(&adapter->tx_obj.q.used);
}
static void
be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
{
struct be_adapter *adapter = netdev_priv(netdev);
be_cmd_get_flow_control(&adapter->ctrl, &ecmd->tx_pause,
&ecmd->rx_pause);
ecmd->autoneg = AUTONEG_ENABLE;
}
static int
be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
{
struct be_adapter *adapter = netdev_priv(netdev);
int status;
if (ecmd->autoneg != AUTONEG_ENABLE)
return -EINVAL;
status = be_cmd_set_flow_control(&adapter->ctrl, ecmd->tx_pause,
ecmd->rx_pause);
if (!status)
dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
return status;
}
struct ethtool_ops be_ethtool_ops = {
.get_settings = be_get_settings,
.get_drvinfo = be_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_coalesce = be_get_coalesce,
.set_coalesce = be_set_coalesce,
.get_ringparam = be_get_ringparam,
.get_pauseparam = be_get_pauseparam,
.set_pauseparam = be_set_pauseparam,
.get_rx_csum = be_get_rx_csum,
.set_rx_csum = be_set_rx_csum,
.get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = ethtool_op_set_tx_csum,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_tso = ethtool_op_get_tso,
.set_tso = ethtool_op_set_tso,
.get_strings = be_get_stat_strings,
.get_stats_count = be_get_stats_count,
.get_ethtool_stats = be_get_ethtool_stats,
};

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drivers/net/benet/be_hw.h Normal file
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/*
* Copyright (C) 2005 - 2009 ServerEngines
* All rights reserved.
*
* 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. The full GNU General
* Public License is included in this distribution in the file called COPYING.
*
* Contact Information:
* linux-drivers@serverengines.com
*
* ServerEngines
* 209 N. Fair Oaks Ave
* Sunnyvale, CA 94085
*/
/********* Mailbox door bell *************/
/* Used for driver communication with the FW.
* The software must write this register twice to post any command. First,
* it writes the register with hi=1 and the upper bits of the physical address
* for the MAILBOX structure. Software must poll the ready bit until this
* is acknowledged. Then, sotware writes the register with hi=0 with the lower
* bits in the address. It must poll the ready bit until the command is
* complete. Upon completion, the MAILBOX will contain a valid completion
* queue entry.
*/
#define MPU_MAILBOX_DB_OFFSET 0x160
#define MPU_MAILBOX_DB_RDY_MASK 0x1 /* bit 0 */
#define MPU_MAILBOX_DB_HI_MASK 0x2 /* bit 1 */
#define MPU_EP_CONTROL 0
/********** MPU semphore ******************/
#define MPU_EP_SEMAPHORE_OFFSET 0xac
#define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
#define EP_SEMAPHORE_POST_ERR_MASK 0x1
#define EP_SEMAPHORE_POST_ERR_SHIFT 31
/* MPU semphore POST stage values */
#define POST_STAGE_AWAITING_HOST_RDY 0x1 /* FW awaiting goahead from host */
#define POST_STAGE_HOST_RDY 0x2 /* Host has given go-ahed to FW */
#define POST_STAGE_BE_RESET 0x3 /* Host wants to reset chip */
#define POST_STAGE_ARMFW_RDY 0xc000 /* FW is done with POST */
/********* Memory BAR register ************/
#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc
/* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
* Disable" may still globally block interrupts in addition to individual
* interrupt masks; a mechanism for the device driver to block all interrupts
* atomically without having to arbitrate for the PCI Interrupt Disable bit
* with the OS.
*/
#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */
/* PCI physical function number */
#define MEMBAR_CTRL_INT_CTRL_PFUNC_MASK 0x7 /* bits 26 - 28 */
#define MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT 26
/********* Event Q door bell *************/
#define DB_EQ_OFFSET DB_CQ_OFFSET
#define DB_EQ_RING_ID_MASK 0x1FF /* bits 0 - 8 */
/* Clear the interrupt for this eq */
#define DB_EQ_CLR_SHIFT (9) /* bit 9 */
/* Must be 1 */
#define DB_EQ_EVNT_SHIFT (10) /* bit 10 */
/* Number of event entries processed */
#define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
/* Rearm bit */
#define DB_EQ_REARM_SHIFT (29) /* bit 29 */
/********* Compl Q door bell *************/
#define DB_CQ_OFFSET 0x120
#define DB_CQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */
/* Number of event entries processed */
#define DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
/* Rearm bit */
#define DB_CQ_REARM_SHIFT (29) /* bit 29 */
/********** TX ULP door bell *************/
#define DB_TXULP1_OFFSET 0x60
#define DB_TXULP_RING_ID_MASK 0x7FF /* bits 0 - 10 */
/* Number of tx entries posted */
#define DB_TXULP_NUM_POSTED_SHIFT (16) /* bits 16 - 29 */
#define DB_TXULP_NUM_POSTED_MASK 0x3FFF /* bits 16 - 29 */
/********** RQ(erx) door bell ************/
#define DB_RQ_OFFSET 0x100
#define DB_RQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */
/* Number of rx frags posted */
#define DB_RQ_NUM_POSTED_SHIFT (24) /* bits 24 - 31 */
/*
* BE descriptors: host memory data structures whose formats
* are hardwired in BE silicon.
*/
/* Event Queue Descriptor */
#define EQ_ENTRY_VALID_MASK 0x1 /* bit 0 */
#define EQ_ENTRY_RES_ID_MASK 0xFFFF /* bits 16 - 31 */
#define EQ_ENTRY_RES_ID_SHIFT 16
struct be_eq_entry {
u32 evt;
};
/* TX Queue Descriptor */
#define ETH_WRB_FRAG_LEN_MASK 0xFFFF
struct be_eth_wrb {
u32 frag_pa_hi; /* dword 0 */
u32 frag_pa_lo; /* dword 1 */
u32 rsvd0; /* dword 2 */
u32 frag_len; /* dword 3: bits 0 - 15 */
} __packed;
/* Pseudo amap definition for eth_hdr_wrb in which each bit of the
* actual structure is defined as a byte : used to calculate
* offset/shift/mask of each field */
struct amap_eth_hdr_wrb {
u8 rsvd0[32]; /* dword 0 */
u8 rsvd1[32]; /* dword 1 */
u8 complete; /* dword 2 */
u8 event;
u8 crc;
u8 forward;
u8 ipsec;
u8 mgmt;
u8 ipcs;
u8 udpcs;
u8 tcpcs;
u8 lso;
u8 vlan;
u8 gso[2];
u8 num_wrb[5];
u8 lso_mss[14];
u8 len[16]; /* dword 3 */
u8 vlan_tag[16];
} __packed;
struct be_eth_hdr_wrb {
u32 dw[4];
};
/* TX Compl Queue Descriptor */
/* Pseudo amap definition for eth_tx_compl in which each bit of the
* actual structure is defined as a byte: used to calculate
* offset/shift/mask of each field */
struct amap_eth_tx_compl {
u8 wrb_index[16]; /* dword 0 */
u8 ct[2]; /* dword 0 */
u8 port[2]; /* dword 0 */
u8 rsvd0[8]; /* dword 0 */
u8 status[4]; /* dword 0 */
u8 user_bytes[16]; /* dword 1 */
u8 nwh_bytes[8]; /* dword 1 */
u8 lso; /* dword 1 */
u8 cast_enc[2]; /* dword 1 */
u8 rsvd1[5]; /* dword 1 */
u8 rsvd2[32]; /* dword 2 */
u8 pkts[16]; /* dword 3 */
u8 ringid[11]; /* dword 3 */
u8 hash_val[4]; /* dword 3 */
u8 valid; /* dword 3 */
} __packed;
struct be_eth_tx_compl {
u32 dw[4];
};
/* RX Queue Descriptor */
struct be_eth_rx_d {
u32 fragpa_hi;
u32 fragpa_lo;
};
/* RX Compl Queue Descriptor */
/* Pseudo amap definition for eth_rx_compl in which each bit of the
* actual structure is defined as a byte: used to calculate
* offset/shift/mask of each field */
struct amap_eth_rx_compl {
u8 vlan_tag[16]; /* dword 0 */
u8 pktsize[14]; /* dword 0 */
u8 port; /* dword 0 */
u8 ip_opt; /* dword 0 */
u8 err; /* dword 1 */
u8 rsshp; /* dword 1 */
u8 ipf; /* dword 1 */
u8 tcpf; /* dword 1 */
u8 udpf; /* dword 1 */
u8 ipcksm; /* dword 1 */
u8 l4_cksm; /* dword 1 */
u8 ip_version; /* dword 1 */
u8 macdst[6]; /* dword 1 */
u8 vtp; /* dword 1 */
u8 rsvd0; /* dword 1 */
u8 fragndx[10]; /* dword 1 */
u8 ct[2]; /* dword 1 */
u8 sw; /* dword 1 */
u8 numfrags[3]; /* dword 1 */
u8 rss_flush; /* dword 2 */
u8 cast_enc[2]; /* dword 2 */
u8 qnq; /* dword 2 */
u8 rss_bank; /* dword 2 */
u8 rsvd1[23]; /* dword 2 */
u8 lro_pkt; /* dword 2 */
u8 rsvd2[2]; /* dword 2 */
u8 valid; /* dword 2 */
u8 rsshash[32]; /* dword 3 */
} __packed;
struct be_eth_rx_compl {
u32 dw[4];
};

1903
drivers/net/benet/be_main.c Normal file
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drivers/net/dnet.c Normal file
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/*
* Dave DNET Ethernet Controller driver
*
* Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
* Copyright (C) 2009 Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
*
* 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 <linux/version.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/phy.h>
#include <linux/platform_device.h>
#include "dnet.h"
#undef DEBUG
/* function for reading internal MAC register */
u16 dnet_readw_mac(struct dnet *bp, u16 reg)
{
u16 data_read;
/* issue a read */
dnet_writel(bp, reg, MACREG_ADDR);
/* since a read/write op to the MAC is very slow,
* we must wait before reading the data */
ndelay(500);
/* read data read from the MAC register */
data_read = dnet_readl(bp, MACREG_DATA);
/* all done */
return data_read;
}
/* function for writing internal MAC register */
void dnet_writew_mac(struct dnet *bp, u16 reg, u16 val)
{
/* load data to write */
dnet_writel(bp, val, MACREG_DATA);
/* issue a write */
dnet_writel(bp, reg | DNET_INTERNAL_WRITE, MACREG_ADDR);
/* since a read/write op to the MAC is very slow,
* we must wait before exiting */
ndelay(500);
}
static void __dnet_set_hwaddr(struct dnet *bp)
{
u16 tmp;
tmp = cpu_to_be16(*((u16 *) bp->dev->dev_addr));
dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_0_REG, tmp);
tmp = cpu_to_be16(*((u16 *) (bp->dev->dev_addr + 2)));
dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_1_REG, tmp);
tmp = cpu_to_be16(*((u16 *) (bp->dev->dev_addr + 4)));
dnet_writew_mac(bp, DNET_INTERNAL_MAC_ADDR_2_REG, tmp);
}
static void __devinit dnet_get_hwaddr(struct dnet *bp)
{
u16 tmp;
u8 addr[6];
/*
* from MAC docs:
* "Note that the MAC address is stored in the registers in Hexadecimal
* form. For example, to set the MAC Address to: AC-DE-48-00-00-80
* would require writing 0xAC (octet 0) to address 0x0B (high byte of
* Mac_addr[15:0]), 0xDE (octet 1) to address 0x0A (Low byte of
* Mac_addr[15:0]), 0x48 (octet 2) to address 0x0D (high byte of
* Mac_addr[15:0]), 0x00 (octet 3) to address 0x0C (Low byte of
* Mac_addr[15:0]), 0x00 (octet 4) to address 0x0F (high byte of
* Mac_addr[15:0]), and 0x80 (octet 5) to address * 0x0E (Low byte of
* Mac_addr[15:0]).
*/
tmp = dnet_readw_mac(bp, DNET_INTERNAL_MAC_ADDR_0_REG);
*((u16 *) addr) = be16_to_cpu(tmp);
tmp = dnet_readw_mac(bp, DNET_INTERNAL_MAC_ADDR_1_REG);
*((u16 *) (addr + 2)) = be16_to_cpu(tmp);
tmp = dnet_readw_mac(bp, DNET_INTERNAL_MAC_ADDR_2_REG);
*((u16 *) (addr + 4)) = be16_to_cpu(tmp);
if (is_valid_ether_addr(addr))
memcpy(bp->dev->dev_addr, addr, sizeof(addr));
}
static int dnet_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
{
struct dnet *bp = bus->priv;
u16 value;
while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
& DNET_INTERNAL_GMII_MNG_CMD_FIN))
cpu_relax();
/* only 5 bits allowed for phy-addr and reg_offset */
mii_id &= 0x1f;
regnum &= 0x1f;
/* prepare reg_value for a read */
value = (mii_id << 8);
value |= regnum;
/* write control word */
dnet_writew_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG, value);
/* wait for end of transfer */
while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
& DNET_INTERNAL_GMII_MNG_CMD_FIN))
cpu_relax();
value = dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_DAT_REG);
pr_debug("mdio_read %02x:%02x <- %04x\n", mii_id, regnum, value);
return value;
}
static int dnet_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
u16 value)
{
struct dnet *bp = bus->priv;
u16 tmp;
pr_debug("mdio_write %02x:%02x <- %04x\n", mii_id, regnum, value);
while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
& DNET_INTERNAL_GMII_MNG_CMD_FIN))
cpu_relax();
/* prepare for a write operation */
tmp = (1 << 13);
/* only 5 bits allowed for phy-addr and reg_offset */
mii_id &= 0x1f;
regnum &= 0x1f;
/* only 16 bits on data */
value &= 0xffff;
/* prepare reg_value for a write */
tmp |= (mii_id << 8);
tmp |= regnum;
/* write data to write first */
dnet_writew_mac(bp, DNET_INTERNAL_GMII_MNG_DAT_REG, value);
/* write control word */
dnet_writew_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG, tmp);
while (!(dnet_readw_mac(bp, DNET_INTERNAL_GMII_MNG_CTL_REG)
& DNET_INTERNAL_GMII_MNG_CMD_FIN))
cpu_relax();
return 0;
}
static int dnet_mdio_reset(struct mii_bus *bus)
{
return 0;
}
static void dnet_handle_link_change(struct net_device *dev)
{
struct dnet *bp = netdev_priv(dev);
struct phy_device *phydev = bp->phy_dev;
unsigned long flags;
u32 mode_reg, ctl_reg;
int status_change = 0;
spin_lock_irqsave(&bp->lock, flags);
mode_reg = dnet_readw_mac(bp, DNET_INTERNAL_MODE_REG);
ctl_reg = dnet_readw_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG);
if (phydev->link) {
if (bp->duplex != phydev->duplex) {
if (phydev->duplex)
ctl_reg &=
~(DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP);
else
ctl_reg |=
DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP;
bp->duplex = phydev->duplex;
status_change = 1;
}
if (bp->speed != phydev->speed) {
status_change = 1;
switch (phydev->speed) {
case 1000:
mode_reg |= DNET_INTERNAL_MODE_GBITEN;
break;
case 100:
case 10:
mode_reg &= ~DNET_INTERNAL_MODE_GBITEN;
break;
default:
printk(KERN_WARNING
"%s: Ack! Speed (%d) is not "
"10/100/1000!\n", dev->name,
phydev->speed);
break;
}
bp->speed = phydev->speed;
}
}
if (phydev->link != bp->link) {
if (phydev->link) {
mode_reg |=
(DNET_INTERNAL_MODE_RXEN | DNET_INTERNAL_MODE_TXEN);
} else {
mode_reg &=
~(DNET_INTERNAL_MODE_RXEN |
DNET_INTERNAL_MODE_TXEN);
bp->speed = 0;
bp->duplex = -1;
}
bp->link = phydev->link;
status_change = 1;
}
if (status_change) {
dnet_writew_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG, ctl_reg);
dnet_writew_mac(bp, DNET_INTERNAL_MODE_REG, mode_reg);
}
spin_unlock_irqrestore(&bp->lock, flags);
if (status_change) {
if (phydev->link)
printk(KERN_INFO "%s: link up (%d/%s)\n",
dev->name, phydev->speed,
DUPLEX_FULL == phydev->duplex ? "Full" : "Half");
else
printk(KERN_INFO "%s: link down\n", dev->name);
}
}
static int dnet_mii_probe(struct net_device *dev)
{
struct dnet *bp = netdev_priv(dev);
struct phy_device *phydev = NULL;
int phy_addr;
/* find the first phy */
for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
if (bp->mii_bus->phy_map[phy_addr]) {
phydev = bp->mii_bus->phy_map[phy_addr];
break;
}
}
if (!phydev) {
printk(KERN_ERR "%s: no PHY found\n", dev->name);
return -ENODEV;
}
/* TODO : add pin_irq */
/* attach the mac to the phy */
if (bp->capabilities & DNET_HAS_RMII) {
phydev = phy_connect(dev, phydev->dev.bus_id,
&dnet_handle_link_change, 0,
PHY_INTERFACE_MODE_RMII);
} else {
phydev = phy_connect(dev, phydev->dev.bus_id,
&dnet_handle_link_change, 0,
PHY_INTERFACE_MODE_MII);
}
if (IS_ERR(phydev)) {
printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
return PTR_ERR(phydev);
}
/* mask with MAC supported features */
if (bp->capabilities & DNET_HAS_GIGABIT)
phydev->supported &= PHY_GBIT_FEATURES;
else
phydev->supported &= PHY_BASIC_FEATURES;
phydev->supported |= SUPPORTED_Asym_Pause | SUPPORTED_Pause;
phydev->advertising = phydev->supported;
bp->link = 0;
bp->speed = 0;
bp->duplex = -1;
bp->phy_dev = phydev;
return 0;
}
static int dnet_mii_init(struct dnet *bp)
{
int err, i;
bp->mii_bus = mdiobus_alloc();
if (bp->mii_bus == NULL)
return -ENOMEM;
bp->mii_bus->name = "dnet_mii_bus";
bp->mii_bus->read = &dnet_mdio_read;
bp->mii_bus->write = &dnet_mdio_write;
bp->mii_bus->reset = &dnet_mdio_reset;
snprintf(bp->mii_bus->id, MII_BUS_ID_SIZE, "%x", 0);
bp->mii_bus->priv = bp;
bp->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
if (!bp->mii_bus->irq) {
err = -ENOMEM;
goto err_out;
}
for (i = 0; i < PHY_MAX_ADDR; i++)
bp->mii_bus->irq[i] = PHY_POLL;
platform_set_drvdata(bp->dev, bp->mii_bus);
if (mdiobus_register(bp->mii_bus)) {
err = -ENXIO;
goto err_out_free_mdio_irq;
}
if (dnet_mii_probe(bp->dev) != 0) {
err = -ENXIO;
goto err_out_unregister_bus;
}
return 0;
err_out_unregister_bus:
mdiobus_unregister(bp->mii_bus);
err_out_free_mdio_irq:
kfree(bp->mii_bus->irq);
err_out:
mdiobus_free(bp->mii_bus);
return err;
}
/* For Neptune board: LINK1000 as Link LED and TX as activity LED */
int dnet_phy_marvell_fixup(struct phy_device *phydev)
{
return phy_write(phydev, 0x18, 0x4148);
}
static void dnet_update_stats(struct dnet *bp)
{
u32 __iomem *reg = bp->regs + DNET_RX_PKT_IGNR_CNT;
u32 *p = &bp->hw_stats.rx_pkt_ignr;
u32 *end = &bp->hw_stats.rx_byte + 1;
WARN_ON((unsigned long)(end - p - 1) !=
(DNET_RX_BYTE_CNT - DNET_RX_PKT_IGNR_CNT) / 4);
for (; p < end; p++, reg++)
*p += readl(reg);
reg = bp->regs + DNET_TX_UNICAST_CNT;
p = &bp->hw_stats.tx_unicast;
end = &bp->hw_stats.tx_byte + 1;
WARN_ON((unsigned long)(end - p - 1) !=
(DNET_TX_BYTE_CNT - DNET_TX_UNICAST_CNT) / 4);
for (; p < end; p++, reg++)
*p += readl(reg);
}
static int dnet_poll(struct napi_struct *napi, int budget)
{
struct dnet *bp = container_of(napi, struct dnet, napi);
struct net_device *dev = bp->dev;
int npackets = 0;
unsigned int pkt_len;
struct sk_buff *skb;
unsigned int *data_ptr;
u32 int_enable;
u32 cmd_word;
int i;
while (npackets < budget) {
/*
* break out of while loop if there are no more
* packets waiting
*/
if (!(dnet_readl(bp, RX_FIFO_WCNT) >> 16)) {
napi_complete(napi);
int_enable = dnet_readl(bp, INTR_ENB);
int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
dnet_writel(bp, int_enable, INTR_ENB);
return 0;
}
cmd_word = dnet_readl(bp, RX_LEN_FIFO);
pkt_len = cmd_word & 0xFFFF;
if (cmd_word & 0xDF180000)
printk(KERN_ERR "%s packet receive error %x\n",
__func__, cmd_word);
skb = dev_alloc_skb(pkt_len + 5);
if (skb != NULL) {
/* Align IP on 16 byte boundaries */
skb_reserve(skb, 2);
/*
* 'skb_put()' points to the start of sk_buff
* data area.
*/
data_ptr = (unsigned int *)skb_put(skb, pkt_len);
for (i = 0; i < (pkt_len + 3) >> 2; i++)
*data_ptr++ = dnet_readl(bp, RX_DATA_FIFO);
skb->protocol = eth_type_trans(skb, dev);
netif_receive_skb(skb);
npackets++;
} else
printk(KERN_NOTICE
"%s: No memory to allocate a sk_buff of "
"size %u.\n", dev->name, pkt_len);
}
budget -= npackets;
if (npackets < budget) {
/* We processed all packets available. Tell NAPI it can
* stop polling then re-enable rx interrupts */
napi_complete(napi);
int_enable = dnet_readl(bp, INTR_ENB);
int_enable |= DNET_INTR_SRC_RX_CMDFIFOAF;
dnet_writel(bp, int_enable, INTR_ENB);
return 0;
}
/* There are still packets waiting */
return 1;
}
static irqreturn_t dnet_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
struct dnet *bp = netdev_priv(dev);
u32 int_src, int_enable, int_current;
unsigned long flags;
unsigned int handled = 0;
spin_lock_irqsave(&bp->lock, flags);
/* read and clear the DNET irq (clear on read) */
int_src = dnet_readl(bp, INTR_SRC);
int_enable = dnet_readl(bp, INTR_ENB);
int_current = int_src & int_enable;
/* restart the queue if we had stopped it for TX fifo almost full */
if (int_current & DNET_INTR_SRC_TX_FIFOAE) {
int_enable = dnet_readl(bp, INTR_ENB);
int_enable &= ~DNET_INTR_ENB_TX_FIFOAE;
dnet_writel(bp, int_enable, INTR_ENB);
netif_wake_queue(dev);
handled = 1;
}
/* RX FIFO error checking */
if (int_current &
(DNET_INTR_SRC_RX_CMDFIFOFF | DNET_INTR_SRC_RX_DATAFIFOFF)) {
printk(KERN_ERR "%s: RX fifo error %x, irq %x\n", __func__,
dnet_readl(bp, RX_STATUS), int_current);
/* we can only flush the RX FIFOs */
dnet_writel(bp, DNET_SYS_CTL_RXFIFOFLUSH, SYS_CTL);
ndelay(500);
dnet_writel(bp, 0, SYS_CTL);
handled = 1;
}
/* TX FIFO error checking */
if (int_current &
(DNET_INTR_SRC_TX_FIFOFULL | DNET_INTR_SRC_TX_DISCFRM)) {
printk(KERN_ERR "%s: TX fifo error %x, irq %x\n", __func__,
dnet_readl(bp, TX_STATUS), int_current);
/* we can only flush the TX FIFOs */
dnet_writel(bp, DNET_SYS_CTL_TXFIFOFLUSH, SYS_CTL);
ndelay(500);
dnet_writel(bp, 0, SYS_CTL);
handled = 1;
}
if (int_current & DNET_INTR_SRC_RX_CMDFIFOAF) {
if (napi_schedule_prep(&bp->napi)) {
/*
* There's no point taking any more interrupts
* until we have processed the buffers
*/
/* Disable Rx interrupts and schedule NAPI poll */
int_enable = dnet_readl(bp, INTR_ENB);
int_enable &= ~DNET_INTR_SRC_RX_CMDFIFOAF;
dnet_writel(bp, int_enable, INTR_ENB);
__napi_schedule(&bp->napi);
}
handled = 1;
}
if (!handled)
pr_debug("%s: irq %x remains\n", __func__, int_current);
spin_unlock_irqrestore(&bp->lock, flags);
return IRQ_RETVAL(handled);
}
#ifdef DEBUG
static inline void dnet_print_skb(struct sk_buff *skb)
{
int k;
printk(KERN_DEBUG PFX "data:");
for (k = 0; k < skb->len; k++)
printk(" %02x", (unsigned int)skb->data[k]);
printk("\n");
}
#else
#define dnet_print_skb(skb) do {} while (0)
#endif
static int dnet_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct dnet *bp = netdev_priv(dev);
u32 tx_status, irq_enable;
unsigned int len, i, tx_cmd, wrsz;
unsigned long flags;
unsigned int *bufp;
tx_status = dnet_readl(bp, TX_STATUS);
pr_debug("start_xmit: len %u head %p data %p\n",
skb->len, skb->head, skb->data);
dnet_print_skb(skb);
/* frame size (words) */
len = (skb->len + 3) >> 2;
spin_lock_irqsave(&bp->lock, flags);
tx_status = dnet_readl(bp, TX_STATUS);
bufp = (unsigned int *)(((unsigned long) skb->data) & ~0x3UL);
wrsz = (u32) skb->len + 3;
wrsz += ((unsigned long) skb->data) & 0x3;
wrsz >>= 2;
tx_cmd = ((((unsigned long)(skb->data)) & 0x03) << 16) | (u32) skb->len;
/* check if there is enough room for the current frame */
if (wrsz < (DNET_FIFO_SIZE - dnet_readl(bp, TX_FIFO_WCNT))) {
for (i = 0; i < wrsz; i++)
dnet_writel(bp, *bufp++, TX_DATA_FIFO);
/*
* inform MAC that a packet's written and ready to be
* shipped out
*/
dnet_writel(bp, tx_cmd, TX_LEN_FIFO);
}
if (dnet_readl(bp, TX_FIFO_WCNT) > DNET_FIFO_TX_DATA_AF_TH) {
netif_stop_queue(dev);
tx_status = dnet_readl(bp, INTR_SRC);
irq_enable = dnet_readl(bp, INTR_ENB);
irq_enable |= DNET_INTR_ENB_TX_FIFOAE;
dnet_writel(bp, irq_enable, INTR_ENB);
}
/* free the buffer */
dev_kfree_skb(skb);
spin_unlock_irqrestore(&bp->lock, flags);
dev->trans_start = jiffies;
return 0;
}
static void dnet_reset_hw(struct dnet *bp)
{
/* put ts_mac in IDLE state i.e. disable rx/tx */
dnet_writew_mac(bp, DNET_INTERNAL_MODE_REG, DNET_INTERNAL_MODE_FCEN);
/*
* RX FIFO almost full threshold: only cmd FIFO almost full is
* implemented for RX side
*/
dnet_writel(bp, DNET_FIFO_RX_CMD_AF_TH, RX_FIFO_TH);
/*
* TX FIFO almost empty threshold: only data FIFO almost empty
* is implemented for TX side
*/
dnet_writel(bp, DNET_FIFO_TX_DATA_AE_TH, TX_FIFO_TH);
/* flush rx/tx fifos */
dnet_writel(bp, DNET_SYS_CTL_RXFIFOFLUSH | DNET_SYS_CTL_TXFIFOFLUSH,
SYS_CTL);
msleep(1);
dnet_writel(bp, 0, SYS_CTL);
}
static void dnet_init_hw(struct dnet *bp)
{
u32 config;
dnet_reset_hw(bp);
__dnet_set_hwaddr(bp);
config = dnet_readw_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG);
if (bp->dev->flags & IFF_PROMISC)
/* Copy All Frames */
config |= DNET_INTERNAL_RXTX_CONTROL_ENPROMISC;
if (!(bp->dev->flags & IFF_BROADCAST))
/* No BroadCast */
config |= DNET_INTERNAL_RXTX_CONTROL_RXMULTICAST;
config |= DNET_INTERNAL_RXTX_CONTROL_RXPAUSE |
DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST |
DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL |
DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS;
dnet_writew_mac(bp, DNET_INTERNAL_RXTX_CONTROL_REG, config);
/* clear irq before enabling them */
config = dnet_readl(bp, INTR_SRC);
/* enable RX/TX interrupt, recv packet ready interrupt */
dnet_writel(bp, DNET_INTR_ENB_GLOBAL_ENABLE | DNET_INTR_ENB_RX_SUMMARY |
DNET_INTR_ENB_TX_SUMMARY | DNET_INTR_ENB_RX_FIFOERR |
DNET_INTR_ENB_RX_ERROR | DNET_INTR_ENB_RX_FIFOFULL |
DNET_INTR_ENB_TX_FIFOFULL | DNET_INTR_ENB_TX_DISCFRM |
DNET_INTR_ENB_RX_PKTRDY, INTR_ENB);
}
static int dnet_open(struct net_device *dev)
{
struct dnet *bp = netdev_priv(dev);
/* if the phy is not yet register, retry later */
if (!bp->phy_dev)
return -EAGAIN;
if (!is_valid_ether_addr(dev->dev_addr))
return -EADDRNOTAVAIL;
napi_enable(&bp->napi);
dnet_init_hw(bp);
phy_start_aneg(bp->phy_dev);
/* schedule a link state check */
phy_start(bp->phy_dev);
netif_start_queue(dev);
return 0;
}
static int dnet_close(struct net_device *dev)
{
struct dnet *bp = netdev_priv(dev);
netif_stop_queue(dev);
napi_disable(&bp->napi);
if (bp->phy_dev)
phy_stop(bp->phy_dev);
dnet_reset_hw(bp);
netif_carrier_off(dev);
return 0;
}
static inline void dnet_print_pretty_hwstats(struct dnet_stats *hwstat)
{
pr_debug("%s\n", __func__);
pr_debug("----------------------------- RX statistics "
"-------------------------------\n");
pr_debug("RX_PKT_IGNR_CNT %-8x\n", hwstat->rx_pkt_ignr);
pr_debug("RX_LEN_CHK_ERR_CNT %-8x\n", hwstat->rx_len_chk_err);
pr_debug("RX_LNG_FRM_CNT %-8x\n", hwstat->rx_lng_frm);
pr_debug("RX_SHRT_FRM_CNT %-8x\n", hwstat->rx_shrt_frm);
pr_debug("RX_IPG_VIOL_CNT %-8x\n", hwstat->rx_ipg_viol);
pr_debug("RX_CRC_ERR_CNT %-8x\n", hwstat->rx_crc_err);
pr_debug("RX_OK_PKT_CNT %-8x\n", hwstat->rx_ok_pkt);
pr_debug("RX_CTL_FRM_CNT %-8x\n", hwstat->rx_ctl_frm);
pr_debug("RX_PAUSE_FRM_CNT %-8x\n", hwstat->rx_pause_frm);
pr_debug("RX_MULTICAST_CNT %-8x\n", hwstat->rx_multicast);
pr_debug("RX_BROADCAST_CNT %-8x\n", hwstat->rx_broadcast);
pr_debug("RX_VLAN_TAG_CNT %-8x\n", hwstat->rx_vlan_tag);
pr_debug("RX_PRE_SHRINK_CNT %-8x\n", hwstat->rx_pre_shrink);
pr_debug("RX_DRIB_NIB_CNT %-8x\n", hwstat->rx_drib_nib);
pr_debug("RX_UNSUP_OPCD_CNT %-8x\n", hwstat->rx_unsup_opcd);
pr_debug("RX_BYTE_CNT %-8x\n", hwstat->rx_byte);
pr_debug("----------------------------- TX statistics "
"-------------------------------\n");
pr_debug("TX_UNICAST_CNT %-8x\n", hwstat->tx_unicast);
pr_debug("TX_PAUSE_FRM_CNT %-8x\n", hwstat->tx_pause_frm);
pr_debug("TX_MULTICAST_CNT %-8x\n", hwstat->tx_multicast);
pr_debug("TX_BRDCAST_CNT %-8x\n", hwstat->tx_brdcast);
pr_debug("TX_VLAN_TAG_CNT %-8x\n", hwstat->tx_vlan_tag);
pr_debug("TX_BAD_FCS_CNT %-8x\n", hwstat->tx_bad_fcs);
pr_debug("TX_JUMBO_CNT %-8x\n", hwstat->tx_jumbo);
pr_debug("TX_BYTE_CNT %-8x\n", hwstat->tx_byte);
}
static struct net_device_stats *dnet_get_stats(struct net_device *dev)
{
struct dnet *bp = netdev_priv(dev);
struct net_device_stats *nstat = &dev->stats;
struct dnet_stats *hwstat = &bp->hw_stats;
/* read stats from hardware */
dnet_update_stats(bp);
/* Convert HW stats into netdevice stats */
nstat->rx_errors = (hwstat->rx_len_chk_err +
hwstat->rx_lng_frm + hwstat->rx_shrt_frm +
/* ignore IGP violation error
hwstat->rx_ipg_viol + */
hwstat->rx_crc_err +
hwstat->rx_pre_shrink +
hwstat->rx_drib_nib + hwstat->rx_unsup_opcd);
nstat->tx_errors = hwstat->tx_bad_fcs;
nstat->rx_length_errors = (hwstat->rx_len_chk_err +
hwstat->rx_lng_frm +
hwstat->rx_shrt_frm + hwstat->rx_pre_shrink);
nstat->rx_crc_errors = hwstat->rx_crc_err;
nstat->rx_frame_errors = hwstat->rx_pre_shrink + hwstat->rx_drib_nib;
nstat->rx_packets = hwstat->rx_ok_pkt;
nstat->tx_packets = (hwstat->tx_unicast +
hwstat->tx_multicast + hwstat->tx_brdcast);
nstat->rx_bytes = hwstat->rx_byte;
nstat->tx_bytes = hwstat->tx_byte;
nstat->multicast = hwstat->rx_multicast;
nstat->rx_missed_errors = hwstat->rx_pkt_ignr;
dnet_print_pretty_hwstats(hwstat);
return nstat;
}
static int dnet_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct dnet *bp = netdev_priv(dev);
struct phy_device *phydev = bp->phy_dev;
if (!phydev)
return -ENODEV;
return phy_ethtool_gset(phydev, cmd);
}
static int dnet_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct dnet *bp = netdev_priv(dev);
struct phy_device *phydev = bp->phy_dev;
if (!phydev)
return -ENODEV;
return phy_ethtool_sset(phydev, cmd);
}
static int dnet_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct dnet *bp = netdev_priv(dev);
struct phy_device *phydev = bp->phy_dev;
if (!netif_running(dev))
return -EINVAL;
if (!phydev)
return -ENODEV;
return phy_mii_ioctl(phydev, if_mii(rq), cmd);
}
static void dnet_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
strcpy(info->driver, DRV_NAME);
strcpy(info->version, DRV_VERSION);
strcpy(info->bus_info, "0");
}
static const struct ethtool_ops dnet_ethtool_ops = {
.get_settings = dnet_get_settings,
.set_settings = dnet_set_settings,
.get_drvinfo = dnet_get_drvinfo,
.get_link = ethtool_op_get_link,
};
static const struct net_device_ops dnet_netdev_ops = {
.ndo_open = dnet_open,
.ndo_stop = dnet_close,
.ndo_get_stats = dnet_get_stats,
.ndo_start_xmit = dnet_start_xmit,
.ndo_do_ioctl = dnet_ioctl,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = eth_change_mtu,
};
static int __devinit dnet_probe(struct platform_device *pdev)
{
struct resource *res;
struct net_device *dev;
struct dnet *bp;
struct phy_device *phydev;
int err = -ENXIO;
unsigned int mem_base, mem_size, irq;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "no mmio resource defined\n");
goto err_out;
}
mem_base = res->start;
mem_size = resource_size(res);
irq = platform_get_irq(pdev, 0);
if (!request_mem_region(mem_base, mem_size, DRV_NAME)) {
dev_err(&pdev->dev, "no memory region available\n");
err = -EBUSY;
goto err_out;
}
err = -ENOMEM;
dev = alloc_etherdev(sizeof(*bp));
if (!dev) {
dev_err(&pdev->dev, "etherdev alloc failed, aborting.\n");
goto err_out;
}
/* TODO: Actually, we have some interesting features... */
dev->features |= 0;
bp = netdev_priv(dev);
bp->dev = dev;
SET_NETDEV_DEV(dev, &pdev->dev);
spin_lock_init(&bp->lock);
bp->regs = ioremap(mem_base, mem_size);
if (!bp->regs) {
dev_err(&pdev->dev, "failed to map registers, aborting.\n");
err = -ENOMEM;
goto err_out_free_dev;
}
dev->irq = irq;
err = request_irq(dev->irq, dnet_interrupt, 0, DRV_NAME, dev);
if (err) {
dev_err(&pdev->dev, "Unable to request IRQ %d (error %d)\n",
irq, err);
goto err_out_iounmap;
}
dev->netdev_ops = &dnet_netdev_ops;
netif_napi_add(dev, &bp->napi, dnet_poll, 64);
dev->ethtool_ops = &dnet_ethtool_ops;
dev->base_addr = (unsigned long)bp->regs;
bp->capabilities = dnet_readl(bp, VERCAPS) & DNET_CAPS_MASK;
dnet_get_hwaddr(bp);
if (!is_valid_ether_addr(dev->dev_addr)) {
/* choose a random ethernet address */
random_ether_addr(dev->dev_addr);
__dnet_set_hwaddr(bp);
}
err = register_netdev(dev);
if (err) {
dev_err(&pdev->dev, "Cannot register net device, aborting.\n");
goto err_out_free_irq;
}
/* register the PHY board fixup (for Marvell 88E1111) */
err = phy_register_fixup_for_uid(0x01410cc0, 0xfffffff0,
dnet_phy_marvell_fixup);
/* we can live without it, so just issue a warning */
if (err)
dev_warn(&pdev->dev, "Cannot register PHY board fixup.\n");
if (dnet_mii_init(bp) != 0)
goto err_out_unregister_netdev;
dev_info(&pdev->dev, "Dave DNET at 0x%p (0x%08x) irq %d %pM\n",
bp->regs, mem_base, dev->irq, dev->dev_addr);
dev_info(&pdev->dev, "has %smdio, %sirq, %sgigabit, %sdma \n",
(bp->capabilities & DNET_HAS_MDIO) ? "" : "no ",
(bp->capabilities & DNET_HAS_IRQ) ? "" : "no ",
(bp->capabilities & DNET_HAS_GIGABIT) ? "" : "no ",
(bp->capabilities & DNET_HAS_DMA) ? "" : "no ");
phydev = bp->phy_dev;
dev_info(&pdev->dev, "attached PHY driver [%s] "
"(mii_bus:phy_addr=%s, irq=%d)\n",
phydev->drv->name, phydev->dev.bus_id, phydev->irq);
return 0;
err_out_unregister_netdev:
unregister_netdev(dev);
err_out_free_irq:
free_irq(dev->irq, dev);
err_out_iounmap:
iounmap(bp->regs);
err_out_free_dev:
free_netdev(dev);
err_out:
return err;
}
static int __devexit dnet_remove(struct platform_device *pdev)
{
struct net_device *dev;
struct dnet *bp;
dev = platform_get_drvdata(pdev);
if (dev) {
bp = netdev_priv(dev);
if (bp->phy_dev)
phy_disconnect(bp->phy_dev);
mdiobus_unregister(bp->mii_bus);
kfree(bp->mii_bus->irq);
mdiobus_free(bp->mii_bus);
unregister_netdev(dev);
free_irq(dev->irq, dev);
iounmap(bp->regs);
free_netdev(dev);
}
return 0;
}
static struct platform_driver dnet_driver = {
.probe = dnet_probe,
.remove = __devexit_p(dnet_remove),
.driver = {
.name = "dnet",
},
};
static int __init dnet_init(void)
{
return platform_driver_register(&dnet_driver);
}
static void __exit dnet_exit(void)
{
platform_driver_unregister(&dnet_driver);
}
module_init(dnet_init);
module_exit(dnet_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Dave DNET Ethernet driver");
MODULE_AUTHOR("Ilya Yanok <yanok@emcraft.com>, "
"Matteo Vit <matteo.vit@dave.eu>");

225
drivers/net/dnet.h Normal file
View File

@ -0,0 +1,225 @@
/*
* Dave DNET Ethernet Controller driver
*
* Copyright (C) 2008 Dave S.r.l. <www.dave.eu>
*
* 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.
*/
#ifndef _DNET_H
#define _DNET_H
#define DRV_NAME "dnet"
#define DRV_VERSION "0.9.1"
#define PFX DRV_NAME ": "
/* Register access macros */
#define dnet_writel(port, value, reg) \
writel((value), (port)->regs + DNET_##reg)
#define dnet_readl(port, reg) readl((port)->regs + DNET_##reg)
/* ALL DNET FIFO REGISTERS */
#define DNET_RX_LEN_FIFO 0x000 /* RX_LEN_FIFO */
#define DNET_RX_DATA_FIFO 0x004 /* RX_DATA_FIFO */
#define DNET_TX_LEN_FIFO 0x008 /* TX_LEN_FIFO */
#define DNET_TX_DATA_FIFO 0x00C /* TX_DATA_FIFO */
/* ALL DNET CONTROL/STATUS REGISTERS OFFSETS */
#define DNET_VERCAPS 0x100 /* VERCAPS */
#define DNET_INTR_SRC 0x104 /* INTR_SRC */
#define DNET_INTR_ENB 0x108 /* INTR_ENB */
#define DNET_RX_STATUS 0x10C /* RX_STATUS */
#define DNET_TX_STATUS 0x110 /* TX_STATUS */
#define DNET_RX_FRAMES_CNT 0x114 /* RX_FRAMES_CNT */
#define DNET_TX_FRAMES_CNT 0x118 /* TX_FRAMES_CNT */
#define DNET_RX_FIFO_TH 0x11C /* RX_FIFO_TH */
#define DNET_TX_FIFO_TH 0x120 /* TX_FIFO_TH */
#define DNET_SYS_CTL 0x124 /* SYS_CTL */
#define DNET_PAUSE_TMR 0x128 /* PAUSE_TMR */
#define DNET_RX_FIFO_WCNT 0x12C /* RX_FIFO_WCNT */
#define DNET_TX_FIFO_WCNT 0x130 /* TX_FIFO_WCNT */
/* ALL DNET MAC REGISTERS */
#define DNET_MACREG_DATA 0x200 /* Mac-Reg Data */
#define DNET_MACREG_ADDR 0x204 /* Mac-Reg Addr */
/* ALL DNET RX STATISTICS COUNTERS */
#define DNET_RX_PKT_IGNR_CNT 0x300
#define DNET_RX_LEN_CHK_ERR_CNT 0x304
#define DNET_RX_LNG_FRM_CNT 0x308
#define DNET_RX_SHRT_FRM_CNT 0x30C
#define DNET_RX_IPG_VIOL_CNT 0x310
#define DNET_RX_CRC_ERR_CNT 0x314
#define DNET_RX_OK_PKT_CNT 0x318
#define DNET_RX_CTL_FRM_CNT 0x31C
#define DNET_RX_PAUSE_FRM_CNT 0x320
#define DNET_RX_MULTICAST_CNT 0x324
#define DNET_RX_BROADCAST_CNT 0x328
#define DNET_RX_VLAN_TAG_CNT 0x32C
#define DNET_RX_PRE_SHRINK_CNT 0x330
#define DNET_RX_DRIB_NIB_CNT 0x334
#define DNET_RX_UNSUP_OPCD_CNT 0x338
#define DNET_RX_BYTE_CNT 0x33C
/* DNET TX STATISTICS COUNTERS */
#define DNET_TX_UNICAST_CNT 0x400
#define DNET_TX_PAUSE_FRM_CNT 0x404
#define DNET_TX_MULTICAST_CNT 0x408
#define DNET_TX_BRDCAST_CNT 0x40C
#define DNET_TX_VLAN_TAG_CNT 0x410
#define DNET_TX_BAD_FCS_CNT 0x414
#define DNET_TX_JUMBO_CNT 0x418
#define DNET_TX_BYTE_CNT 0x41C
/* SOME INTERNAL MAC-CORE REGISTER */
#define DNET_INTERNAL_MODE_REG 0x0
#define DNET_INTERNAL_RXTX_CONTROL_REG 0x2
#define DNET_INTERNAL_MAX_PKT_SIZE_REG 0x4
#define DNET_INTERNAL_IGP_REG 0x8
#define DNET_INTERNAL_MAC_ADDR_0_REG 0xa
#define DNET_INTERNAL_MAC_ADDR_1_REG 0xc
#define DNET_INTERNAL_MAC_ADDR_2_REG 0xe
#define DNET_INTERNAL_TX_RX_STS_REG 0x12
#define DNET_INTERNAL_GMII_MNG_CTL_REG 0x14
#define DNET_INTERNAL_GMII_MNG_DAT_REG 0x16
#define DNET_INTERNAL_GMII_MNG_CMD_FIN (1 << 14)
#define DNET_INTERNAL_WRITE (1 << 31)
/* MAC-CORE REGISTER FIELDS */
/* MAC-CORE MODE REGISTER FIELDS */
#define DNET_INTERNAL_MODE_GBITEN (1 << 0)
#define DNET_INTERNAL_MODE_FCEN (1 << 1)
#define DNET_INTERNAL_MODE_RXEN (1 << 2)
#define DNET_INTERNAL_MODE_TXEN (1 << 3)
/* MAC-CORE RXTX CONTROL REGISTER FIELDS */
#define DNET_INTERNAL_RXTX_CONTROL_RXSHORTFRAME (1 << 8)
#define DNET_INTERNAL_RXTX_CONTROL_RXBROADCAST (1 << 7)
#define DNET_INTERNAL_RXTX_CONTROL_RXMULTICAST (1 << 4)
#define DNET_INTERNAL_RXTX_CONTROL_RXPAUSE (1 << 3)
#define DNET_INTERNAL_RXTX_CONTROL_DISTXFCS (1 << 2)
#define DNET_INTERNAL_RXTX_CONTROL_DISCFXFCS (1 << 1)
#define DNET_INTERNAL_RXTX_CONTROL_ENPROMISC (1 << 0)
#define DNET_INTERNAL_RXTX_CONTROL_DROPCONTROL (1 << 6)
#define DNET_INTERNAL_RXTX_CONTROL_ENABLEHALFDUP (1 << 5)
/* SYSTEM CONTROL REGISTER FIELDS */
#define DNET_SYS_CTL_IGNORENEXTPKT (1 << 0)
#define DNET_SYS_CTL_SENDPAUSE (1 << 2)
#define DNET_SYS_CTL_RXFIFOFLUSH (1 << 3)
#define DNET_SYS_CTL_TXFIFOFLUSH (1 << 4)
/* TX STATUS REGISTER FIELDS */
#define DNET_TX_STATUS_FIFO_ALMOST_EMPTY (1 << 2)
#define DNET_TX_STATUS_FIFO_ALMOST_FULL (1 << 1)
/* INTERRUPT SOURCE REGISTER FIELDS */
#define DNET_INTR_SRC_TX_PKTSENT (1 << 0)
#define DNET_INTR_SRC_TX_FIFOAF (1 << 1)
#define DNET_INTR_SRC_TX_FIFOAE (1 << 2)
#define DNET_INTR_SRC_TX_DISCFRM (1 << 3)
#define DNET_INTR_SRC_TX_FIFOFULL (1 << 4)
#define DNET_INTR_SRC_RX_CMDFIFOAF (1 << 8)
#define DNET_INTR_SRC_RX_CMDFIFOFF (1 << 9)
#define DNET_INTR_SRC_RX_DATAFIFOFF (1 << 10)
#define DNET_INTR_SRC_TX_SUMMARY (1 << 16)
#define DNET_INTR_SRC_RX_SUMMARY (1 << 17)
#define DNET_INTR_SRC_PHY (1 << 19)
/* INTERRUPT ENABLE REGISTER FIELDS */
#define DNET_INTR_ENB_TX_PKTSENT (1 << 0)
#define DNET_INTR_ENB_TX_FIFOAF (1 << 1)
#define DNET_INTR_ENB_TX_FIFOAE (1 << 2)
#define DNET_INTR_ENB_TX_DISCFRM (1 << 3)
#define DNET_INTR_ENB_TX_FIFOFULL (1 << 4)
#define DNET_INTR_ENB_RX_PKTRDY (1 << 8)
#define DNET_INTR_ENB_RX_FIFOAF (1 << 9)
#define DNET_INTR_ENB_RX_FIFOERR (1 << 10)
#define DNET_INTR_ENB_RX_ERROR (1 << 11)
#define DNET_INTR_ENB_RX_FIFOFULL (1 << 12)
#define DNET_INTR_ENB_RX_FIFOAE (1 << 13)
#define DNET_INTR_ENB_TX_SUMMARY (1 << 16)
#define DNET_INTR_ENB_RX_SUMMARY (1 << 17)
#define DNET_INTR_ENB_GLOBAL_ENABLE (1 << 18)
/* default values:
* almost empty = less than one full sized ethernet frame (no jumbo) inside
* the fifo almost full = can write less than one full sized ethernet frame
* (no jumbo) inside the fifo
*/
#define DNET_CFG_TX_FIFO_FULL_THRES 25
#define DNET_CFG_RX_FIFO_FULL_THRES 20
/*
* Capabilities. Used by the driver to know the capabilities that the ethernet
* controller inside the FPGA have.
*/
#define DNET_HAS_MDIO (1 << 0)
#define DNET_HAS_IRQ (1 << 1)
#define DNET_HAS_GIGABIT (1 << 2)
#define DNET_HAS_DMA (1 << 3)
#define DNET_HAS_MII (1 << 4) /* or GMII */
#define DNET_HAS_RMII (1 << 5) /* or RGMII */
#define DNET_CAPS_MASK 0xFFFF
#define DNET_FIFO_SIZE 1024 /* 1K x 32 bit */
#define DNET_FIFO_TX_DATA_AF_TH (DNET_FIFO_SIZE - 384) /* 384 = 1536 / 4 */
#define DNET_FIFO_TX_DATA_AE_TH 384
#define DNET_FIFO_RX_CMD_AF_TH (1 << 16) /* just one frame inside the FIFO */
/*
* Hardware-collected statistics.
*/
struct dnet_stats {
u32 rx_pkt_ignr;
u32 rx_len_chk_err;
u32 rx_lng_frm;
u32 rx_shrt_frm;
u32 rx_ipg_viol;
u32 rx_crc_err;
u32 rx_ok_pkt;
u32 rx_ctl_frm;
u32 rx_pause_frm;
u32 rx_multicast;
u32 rx_broadcast;
u32 rx_vlan_tag;
u32 rx_pre_shrink;
u32 rx_drib_nib;
u32 rx_unsup_opcd;
u32 rx_byte;
u32 tx_unicast;
u32 tx_pause_frm;
u32 tx_multicast;
u32 tx_brdcast;
u32 tx_vlan_tag;
u32 tx_bad_fcs;
u32 tx_jumbo;
u32 tx_byte;
};
struct dnet {
void __iomem *regs;
spinlock_t lock;
struct platform_device *pdev;
struct net_device *dev;
struct dnet_stats hw_stats;
unsigned int capabilities; /* read from FPGA */
struct napi_struct napi;
/* PHY stuff */
struct mii_bus *mii_bus;
struct phy_device *phy_dev;
unsigned int link;
unsigned int speed;
unsigned int duplex;
};
#endif /* _DNET_H */

3
drivers/net/ibm_newemac/core.c
View File

@ -2594,6 +2594,9 @@ static int __devinit emac_init_config(struct emac_instance *dev)
if (of_device_is_compatible(np, "ibm,emac-460ex") ||
of_device_is_compatible(np, "ibm,emac-460gt"))
dev->features |= EMAC_FTR_460EX_PHY_CLK_FIX;
if (of_device_is_compatible(np, "ibm,emac-405ex") ||
of_device_is_compatible(np, "ibm,emac-405exr"))
dev->features |= EMAC_FTR_440EP_PHY_CLK_FIX;
} else if (of_device_is_compatible(np, "ibm,emac4")) {
dev->features |= EMAC_FTR_EMAC4;
if (of_device_is_compatible(np, "ibm,emac-440gx"))

26
drivers/net/igb/igb_main.c
View File

@ -1128,11 +1128,10 @@ static int __devinit igb_probe(struct pci_dev *pdev,
struct net_device *netdev;
struct igb_adapter *adapter;
struct e1000_hw *hw;
struct pci_dev *us_dev;
const struct e1000_info *ei = igb_info_tbl[ent->driver_data];
unsigned long mmio_start, mmio_len;
int err, pci_using_dac, pos;
u16 eeprom_data = 0, state = 0;
int err, pci_using_dac;
u16 eeprom_data = 0;
u16 eeprom_apme_mask = IGB_EEPROM_APME;
u32 part_num;
@ -1158,27 +1157,6 @@ static int __devinit igb_probe(struct pci_dev *pdev,
}
}
/* 82575 requires that the pci-e link partner disable the L0s state */
switch (pdev->device) {
case E1000_DEV_ID_82575EB_COPPER:
case E1000_DEV_ID_82575EB_FIBER_SERDES:
case E1000_DEV_ID_82575GB_QUAD_COPPER:
us_dev = pdev->bus->self;
pos = pci_find_capability(us_dev, PCI_CAP_ID_EXP);
if (pos) {
pci_read_config_word(us_dev, pos + PCI_EXP_LNKCTL,
&state);
state &= ~PCIE_LINK_STATE_L0S;
pci_write_config_word(us_dev, pos + PCI_EXP_LNKCTL,
state);
dev_info(&pdev->dev,
"Disabling ASPM L0s upstream switch port %s\n",
pci_name(us_dev));
}
default:
break;
}
err = pci_request_selected_regions(pdev, pci_select_bars(pdev,
IORESOURCE_MEM),
igb_driver_name);

1
drivers/net/ixgbe/ixgbe_main.c
View File

@ -4402,6 +4402,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
.ndo_stop = ixgbe_close,
.ndo_start_xmit = ixgbe_xmit_frame,
.ndo_get_stats = ixgbe_get_stats,
.ndo_set_rx_mode = ixgbe_set_rx_mode,
.ndo_set_multicast_list = ixgbe_set_rx_mode,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = ixgbe_set_mac,

10
drivers/net/mv643xx_eth.c
View File

@ -2288,11 +2288,6 @@ static void port_start(struct mv643xx_eth_private *mp)
txq_set_fixed_prio_mode(txq);
}
/*
* Add configured unicast address to address filter table.
*/
mv643xx_eth_program_unicast_filter(mp->dev);
/*
* Receive all unmatched unicast, TCP, UDP, BPDU and broadcast
* frames to RX queue #0, and include the pseudo-header when
@ -2305,6 +2300,11 @@ static void port_start(struct mv643xx_eth_private *mp)
*/
wrlp(mp, PORT_CONFIG_EXT, 0x00000000);
/*
* Add configured unicast addresses to address filter table.
*/
mv643xx_eth_program_unicast_filter(mp->dev);
/*
* Enable the receive queues.
*/

1
drivers/net/netxen/netxen_nic.h
View File

@ -1590,7 +1590,6 @@ dma_watchdog_wakeup(struct netxen_adapter *adapter)
}
int netxen_is_flash_supported(struct netxen_adapter *adapter);
int netxen_get_flash_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
int netxen_p3_get_mac_addr(struct netxen_adapter *adapter, __le64 *mac);
extern void netxen_change_ringparam(struct netxen_adapter *adapter);

22
drivers/net/netxen/netxen_nic_hw.c
View File

@ -750,28 +750,6 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
return rc;
}
int netxen_is_flash_supported(struct netxen_adapter *adapter)
{
const int locs[] = { 0, 0x4, 0x100, 0x4000, 0x4128 };
int addr, val01, val02, i, j;
/* if the flash size less than 4Mb, make huge war cry and die */
for (j = 1; j < 4; j++) {
addr = j * NETXEN_NIC_WINDOW_MARGIN;
for (i = 0; i < ARRAY_SIZE(locs); i++) {
if (netxen_rom_fast_read(adapter, locs[i], &val01) == 0
&& netxen_rom_fast_read(adapter, (addr + locs[i]),
&val02) == 0) {
if (val01 == val02)
return -1;
} else
return -1;
}
}
return 0;
}
static int netxen_get_flash_block(struct netxen_adapter *adapter, int base,
int size, __le32 * buf)
{

3
drivers/net/netxen/netxen_nic_main.c
View File

@ -406,9 +406,6 @@ netxen_read_mac_addr(struct netxen_adapter *adapter)
struct net_device *netdev = adapter->netdev;
struct pci_dev *pdev = adapter->pdev;
if (netxen_is_flash_supported(adapter) != 0)
return -EIO;
if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
return -EIO;

2
drivers/net/qlge/qlge_main.c
View File

@ -1533,7 +1533,6 @@ static void ql_process_mac_rx_intr(struct ql_adapter *qdev,
QPRINTK(qdev, RX_STATUS, DEBUG, "Promiscuous Packet.\n");
}
skb->protocol = eth_type_trans(skb, ndev);
skb->ip_summed = CHECKSUM_NONE;
@ -3248,6 +3247,7 @@ static int ql_adapter_down(struct ql_adapter *qdev)
netif_napi_del(&qdev->rx_ring[i].napi);
ql_free_rx_buffers(qdev);
spin_lock(&qdev->hw_lock);
status = ql_adapter_reset(qdev);
if (status)

122
drivers/net/r8169.c
View File

@ -81,9 +81,9 @@ static const int multicast_filter_limit = 32;
#define RTL8169_TX_TIMEOUT (6*HZ)
#define RTL8169_PHY_TIMEOUT (10*HZ)
#define RTL_EEPROM_SIG 0x8129
#define RTL_EEPROM_SIG cpu_to_le32(0x8129)
#define RTL_EEPROM_SIG_MASK cpu_to_le32(0xffff)
#define RTL_EEPROM_SIG_ADDR 0x0000
#define RTL_EEPROM_MAC_ADDR 0x0007
/* write/read MMIO register */
#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
@ -293,11 +293,6 @@ enum rtl_register_content {
/* Cfg9346Bits */
Cfg9346_Lock = 0x00,
Cfg9346_Unlock = 0xc0,
Cfg9346_Program = 0x80, /* Programming mode */
Cfg9346_EECS = 0x08, /* Chip select */
Cfg9346_EESK = 0x04, /* Serial data clock */
Cfg9346_EEDI = 0x02, /* Data input */
Cfg9346_EEDO = 0x01, /* Data output */
/* rx_mode_bits */
AcceptErr = 0x20,
@ -310,7 +305,6 @@ enum rtl_register_content {
/* RxConfigBits */
RxCfgFIFOShift = 13,
RxCfgDMAShift = 8,
RxCfg9356SEL = 6, /* EEPROM type: 0 = 9346, 1 = 9356 */
/* TxConfigBits */
TxInterFrameGapShift = 24,
@ -1969,108 +1963,6 @@ static const struct net_device_ops rtl8169_netdev_ops = {
};
/* Delay between EEPROM clock transitions. Force out buffered PCI writes. */
#define RTL_EEPROM_DELAY() RTL_R8(Cfg9346)
#define RTL_EEPROM_READ_CMD 6
/* read 16bit word stored in EEPROM. EEPROM is addressed by words. */
static u16 rtl_eeprom_read(void __iomem *ioaddr, int addr)
{
u16 result = 0;
int cmd, cmd_len, i;
/* check for EEPROM address size (in bits) */
if (RTL_R32(RxConfig) & (1 << RxCfg9356SEL)) {
/* EEPROM is 93C56 */
cmd_len = 3 + 8; /* 3 bits for command id and 8 for address */
cmd = (RTL_EEPROM_READ_CMD << 8) | (addr & 0xff);
} else {
/* EEPROM is 93C46 */
cmd_len = 3 + 6; /* 3 bits for command id and 6 for address */
cmd = (RTL_EEPROM_READ_CMD << 6) | (addr & 0x3f);
}
/* enter programming mode */
RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
RTL_EEPROM_DELAY();
/* write command and requested address */
while (cmd_len--) {
u8 x = Cfg9346_Program | Cfg9346_EECS;
x |= (cmd & (1 << cmd_len)) ? Cfg9346_EEDI : 0;
/* write a bit */
RTL_W8(Cfg9346, x);
RTL_EEPROM_DELAY();
/* raise clock */
RTL_W8(Cfg9346, x | Cfg9346_EESK);
RTL_EEPROM_DELAY();
}
/* lower clock */
RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
RTL_EEPROM_DELAY();
/* read back 16bit value */
for (i = 16; i > 0; i--) {
/* raise clock */
RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS | Cfg9346_EESK);
RTL_EEPROM_DELAY();
result <<= 1;
result |= (RTL_R8(Cfg9346) & Cfg9346_EEDO) ? 1 : 0;
/* lower clock */
RTL_W8(Cfg9346, Cfg9346_Program | Cfg9346_EECS);
RTL_EEPROM_DELAY();
}
RTL_W8(Cfg9346, Cfg9346_Program);
/* leave programming mode */
RTL_W8(Cfg9346, Cfg9346_Lock);
return result;
}
static void rtl_init_mac_address(struct rtl8169_private *tp,
void __iomem *ioaddr)
{
struct pci_dev *pdev = tp->pci_dev;
u16 x;
u8 mac[8];
/* read EEPROM signature */
x = rtl_eeprom_read(ioaddr, RTL_EEPROM_SIG_ADDR);
if (x != RTL_EEPROM_SIG) {
dev_info(&pdev->dev, "Missing EEPROM signature: %04x\n", x);
return;
}
/* read MAC address */
x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR);
mac[0] = x & 0xff;
mac[1] = x >> 8;
x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR + 1);
mac[2] = x & 0xff;
mac[3] = x >> 8;
x = rtl_eeprom_read(ioaddr, RTL_EEPROM_MAC_ADDR + 2);
mac[4] = x & 0xff;
mac[5] = x >> 8;
if (netif_msg_probe(tp)) {
DECLARE_MAC_BUF(buf);
dev_info(&pdev->dev, "MAC address found in EEPROM: %s\n",
print_mac(buf, mac));
}
if (is_valid_ether_addr(mac))
rtl_rar_set(tp, mac);
}
static int __devinit
rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
@ -2249,8 +2141,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
tp->mmio_addr = ioaddr;
rtl_init_mac_address(tp, ioaddr);
/* Get MAC address */
for (i = 0; i < MAC_ADDR_LEN; i++)
dev->dev_addr[i] = RTL_R8(MAC0 + i);
@ -3363,13 +3253,6 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
opts1 |= FirstFrag;
} else {
len = skb->len;
if (unlikely(len < ETH_ZLEN)) {
if (skb_padto(skb, ETH_ZLEN))
goto err_update_stats;
len = ETH_ZLEN;
}
opts1 |= FirstFrag | LastFrag;
tp->tx_skb[entry].skb = skb;
}
@ -3407,7 +3290,6 @@ out:
err_stop:
netif_stop_queue(dev);
ret = NETDEV_TX_BUSY;
err_update_stats:
dev->stats.tx_dropped++;
goto out;
}

15
drivers/net/via-velocity.c
View File

@ -1838,17 +1838,19 @@ static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_
{
struct sk_buff *skb = tdinfo->skb;
int i;
int pktlen;
/*
* Don't unmap the pre-allocated tx_bufs
*/
if (tdinfo->skb_dma) {
pktlen = (skb->len > ETH_ZLEN ? : ETH_ZLEN);
for (i = 0; i < tdinfo->nskb_dma; i++) {
#ifdef VELOCITY_ZERO_COPY_SUPPORT
pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], le16_to_cpu(td->tdesc1.len), PCI_DMA_TODEVICE);
#else
pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], skb->len, PCI_DMA_TODEVICE);
pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], pktlen, PCI_DMA_TODEVICE);
#endif
tdinfo->skb_dma[i] = 0;
}
@ -2080,17 +2082,14 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
struct tx_desc *td_ptr;
struct velocity_td_info *tdinfo;
unsigned long flags;
int pktlen = skb->len;
int pktlen;
__le16 len;
int index;
if (skb->len < ETH_ZLEN) {
if (skb_padto(skb, ETH_ZLEN))
goto out;
pktlen = ETH_ZLEN;
}
if (skb_padto(skb, ETH_ZLEN))
goto out;
pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
len = cpu_to_le16(pktlen);

33
drivers/net/wireless/ath9k/ath9k.h
View File

@ -579,6 +579,7 @@ struct ath_softc {
void __iomem *mem;
int irq;
spinlock_t sc_resetlock;
spinlock_t sc_serial_rw;
struct mutex mutex;
u8 curbssid[ETH_ALEN];
@ -724,4 +725,36 @@ void ath9k_wiphy_pause_all_forced(struct ath_softc *sc,
bool ath9k_wiphy_scanning(struct ath_softc *sc);
void ath9k_wiphy_work(struct work_struct *work);
/*
* Read and write, they both share the same lock. We do this to serialize
* reads and writes on Atheros 802.11n PCI devices only. This is required
* as the FIFO on these devices can only accept sanely 2 requests. After
* that the device goes bananas. Serializing the reads/writes prevents this
* from happening.
*/
static inline void ath9k_iowrite32(struct ath_hw *ah, u32 reg_offset, u32 val)
{
if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
unsigned long flags;
spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
iowrite32(val, ah->ah_sc->mem + reg_offset);
spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
} else
iowrite32(val, ah->ah_sc->mem + reg_offset);
}
static inline unsigned int ath9k_ioread32(struct ath_hw *ah, u32 reg_offset)
{
u32 val;
if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
unsigned long flags;
spin_lock_irqsave(&ah->ah_sc->sc_serial_rw, flags);
val = ioread32(ah->ah_sc->mem + reg_offset);
spin_unlock_irqrestore(&ah->ah_sc->sc_serial_rw, flags);
} else
val = ioread32(ah->ah_sc->mem + reg_offset);
return val;
}
#endif /* ATH9K_H */

22
drivers/net/wireless/ath9k/hw.c
View File

@ -391,6 +391,25 @@ static void ath9k_hw_set_defaults(struct ath_hw *ah)
}
ah->config.intr_mitigation = 1;
/*
* We need this for PCI devices only (Cardbus, PCI, miniPCI)
* _and_ if on non-uniprocessor systems (Multiprocessor/HT).
* This means we use it for all AR5416 devices, and the few
* minor PCI AR9280 devices out there.
*
* Serialization is required because these devices do not handle
* well the case of two concurrent reads/writes due to the latency
* involved. During one read/write another read/write can be issued
* on another CPU while the previous read/write may still be working
* on our hardware, if we hit this case the hardware poops in a loop.
* We prevent this by serializing reads and writes.
*
* This issue is not present on PCI-Express devices or pre-AR5416
* devices (legacy, 802.11abg).
*/
if (num_possible_cpus() > 1)
ah->config.serialize_regmode = SER_REG_MODE_AUTO;
}
static struct ath_hw *ath9k_hw_newstate(u16 devid, struct ath_softc *sc,
@ -610,7 +629,8 @@ static struct ath_hw *ath9k_hw_do_attach(u16 devid, struct ath_softc *sc,
}
if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) {
if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI) {
if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI ||
(AR_SREV_9280(ah) && !ah->is_pciexpress)) {
ah->config.serialize_regmode =
SER_REG_MODE_ON;
} else {

4
drivers/net/wireless/ath9k/hw.h
View File

@ -42,8 +42,8 @@
#define AR5416_MAGIC 0x19641014
/* Register read/write primitives */
#define REG_WRITE(_ah, _reg, _val) iowrite32(_val, _ah->ah_sc->mem + _reg)
#define REG_READ(_ah, _reg) ioread32(_ah->ah_sc->mem + _reg)
#define REG_WRITE(_ah, _reg, _val) ath9k_iowrite32((_ah), (_reg), (_val))
#define REG_READ(_ah, _reg) ath9k_ioread32((_ah), (_reg))
#define SM(_v, _f) (((_v) << _f##_S) & _f)
#define MS(_v, _f) (((_v) & _f) >> _f##_S)

1
drivers/net/wireless/ath9k/main.c
View File

@ -1370,6 +1370,7 @@ static int ath_init(u16 devid, struct ath_softc *sc)
spin_lock_init(&sc->wiphy_lock);
spin_lock_init(&sc->sc_resetlock);
spin_lock_init(&sc->sc_serial_rw);
mutex_init(&sc->mutex);
tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,

8
drivers/net/wireless/zd1211rw/zd_mac.c
View File

@ -575,13 +575,17 @@ static int zd_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
r = fill_ctrlset(mac, skb);
if (r)
return r;
goto fail;
info->rate_driver_data[0] = hw;
r = zd_usb_tx(&mac->chip.usb, skb);
if (r)
return r;
goto fail;
return 0;
fail:
dev_kfree_skb(skb);
return 0;
}

3
include/net/netfilter/nf_conntrack_core.h
View File

@ -62,7 +62,8 @@ static inline int nf_conntrack_confirm(struct sk_buff *skb)
if (ct && ct != &nf_conntrack_untracked) {
if (!nf_ct_is_confirmed(ct) && !nf_ct_is_dying(ct))
ret = __nf_conntrack_confirm(skb);
nf_ct_deliver_cached_events(ct);
if (likely(ret == NF_ACCEPT))
nf_ct_deliver_cached_events(ct);
}
return ret;
}

5
net/core/dev.c
View File

@ -2627,9 +2627,9 @@ static int process_backlog(struct napi_struct *napi, int quota)
local_irq_disable();
skb = __skb_dequeue(&queue->input_pkt_queue);
if (!skb) {
__napi_complete(napi);
local_irq_enable();
break;
napi_complete(napi);
goto out;
}
local_irq_enable();
@ -2638,6 +2638,7 @@ static int process_backlog(struct napi_struct *napi, int quota)
napi_gro_flush(napi);
out:
return work;
}

3
net/ipv6/af_inet6.c
View File

@ -1202,6 +1202,9 @@ module_init(inet6_init);
static void __exit inet6_exit(void)
{
if (disable_ipv6)
return;
/* First of all disallow new sockets creation. */
sock_unregister(PF_INET6);
/* Disallow any further netlink messages */

8
net/ipv6/netfilter/nf_conntrack_reasm.c
View File

@ -528,14 +528,14 @@ find_prev_fhdr(struct sk_buff *skb, u8 *prevhdrp, int *prevhoff, int *fhoff)
if (!ipv6_ext_hdr(nexthdr)) {
return -1;
}
if (len < (int)sizeof(struct ipv6_opt_hdr)) {
pr_debug("too short\n");
return -1;
}
if (nexthdr == NEXTHDR_NONE) {
pr_debug("next header is none\n");
return -1;
}
if (len < (int)sizeof(struct ipv6_opt_hdr)) {
pr_debug("too short\n");
return -1;
}
if (skb_copy_bits(skb, start, &hdr, sizeof(hdr)))
BUG();
if (nexthdr == NEXTHDR_AUTH)

2
net/mac80211/tx.c
View File

@ -784,6 +784,8 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx)
skb_copy_queue_mapping(frag, first);
frag->do_not_encrypt = first->do_not_encrypt;
frag->dev = first->dev;
frag->iif = first->iif;
pos += copylen;
left -= copylen;

2
net/netfilter/nf_conntrack_core.c
View File

@ -726,7 +726,7 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
NF_CT_ASSERT(skb->nfct);
ret = l4proto->packet(ct, skb, dataoff, ctinfo, pf, hooknum);
if (ret < 0) {
if (ret <= 0) {
/* Invalid: inverse of the return code tells
* the netfilter core what to do */
pr_debug("nf_conntrack_in: Can't track with proto module\n");

1
net/netfilter/nf_conntrack_netlink.c
View File

@ -1780,6 +1780,7 @@ ctnetlink_create_expect(struct nlattr *cda[], u_int8_t u3, u32 pid, int report)
goto out;
}
exp->class = 0;
exp->expectfn = NULL;
exp->flags = 0;
exp->master = ct;

4
net/netfilter/nf_conntrack_proto_tcp.c
View File

@ -859,7 +859,7 @@ static int tcp_packet(struct nf_conn *ct,
*/
if (nf_ct_kill(ct))
return -NF_REPEAT;
return -NF_DROP;
return NF_DROP;
}
/* Fall through */
case TCP_CONNTRACK_IGNORE:
@ -892,7 +892,7 @@ static int tcp_packet(struct nf_conn *ct,
nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
"nf_ct_tcp: killing out of sync session ");
nf_ct_kill(ct);
return -NF_DROP;
return NF_DROP;
}
ct->proto.tcp.last_index = index;
ct->proto.tcp.last_dir = dir;

10
net/wireless/Kconfig
View File

@ -102,3 +102,13 @@ config LIB80211_CRYPT_CCMP
config LIB80211_CRYPT_TKIP
tristate
config LIB80211_DEBUG
bool "lib80211 debugging messages"
depends on LIB80211
default n
---help---
You can enable this if you want verbose debugging messages
from lib80211.
If unsure, say N.

2
net/wireless/lib80211_crypt_ccmp.c
View File

@ -337,6 +337,7 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos += 8;
if (ccmp_replay_check(pn, key->rx_pn)) {
#ifdef CONFIG_LIB80211_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "CCMP: replay detected: STA=%pM "
"previous PN %02x%02x%02x%02x%02x%02x "
@ -346,6 +347,7 @@ static int lib80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
key->rx_pn[3], key->rx_pn[4], key->rx_pn[5],
pn[0], pn[1], pn[2], pn[3], pn[4], pn[5]);
}
#endif
key->dot11RSNAStatsCCMPReplays++;
return -4;
}

4
net/wireless/lib80211_crypt_tkip.c
View File

@ -465,12 +465,14 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
pos += 8;
if (tkip_replay_check(iv32, iv16, tkey->rx_iv32, tkey->rx_iv16)) {
#ifdef CONFIG_LIB80211_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "TKIP: replay detected: STA=%pM"
" previous TSC %08x%04x received TSC "
"%08x%04x\n", hdr->addr2,
tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
}
#endif
tkey->dot11RSNAStatsTKIPReplays++;
return -4;
}
@ -505,10 +507,12 @@ static int lib80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
* it needs to be recalculated for the next packet. */
tkey->rx_phase1_done = 0;
}
#ifdef CONFIG_LIB80211_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "TKIP: ICV error detected: STA="
"%pM\n", hdr->addr2);
}
#endif
tkey->dot11RSNAStatsTKIPICVErrors++;
return -5;
}

88
net/xfrm/xfrm_state.c
View File

@ -748,12 +748,51 @@ static void xfrm_hash_grow_check(struct net *net, int have_hash_collision)
schedule_work(&net->xfrm.state_hash_work);
}
static void xfrm_state_look_at(struct xfrm_policy *pol, struct xfrm_state *x,
struct flowi *fl, unsigned short family,
xfrm_address_t *daddr, xfrm_address_t *saddr,
struct xfrm_state **best, int *acq_in_progress,
int *error)
{
/* Resolution logic:
* 1. There is a valid state with matching selector. Done.
* 2. Valid state with inappropriate selector. Skip.
*
* Entering area of "sysdeps".
*
* 3. If state is not valid, selector is temporary, it selects
* only session which triggered previous resolution. Key
* manager will do something to install a state with proper
* selector.
*/
if (x->km.state == XFRM_STATE_VALID) {
if ((x->sel.family &&
!xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
!security_xfrm_state_pol_flow_match(x, pol, fl))
return;
if (!*best ||
(*best)->km.dying > x->km.dying ||
((*best)->km.dying == x->km.dying &&
(*best)->curlft.add_time < x->curlft.add_time))
*best = x;
} else if (x->km.state == XFRM_STATE_ACQ) {
*acq_in_progress = 1;
} else if (x->km.state == XFRM_STATE_ERROR ||
x->km.state == XFRM_STATE_EXPIRED) {
if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
security_xfrm_state_pol_flow_match(x, pol, fl))
*error = -ESRCH;
}
}
struct xfrm_state *
xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
struct flowi *fl, struct xfrm_tmpl *tmpl,
struct xfrm_policy *pol, int *err,
unsigned short family)
{
static xfrm_address_t saddr_wildcard = { };
struct net *net = xp_net(pol);
unsigned int h;
struct hlist_node *entry;
@ -773,40 +812,27 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
xfrm_state_addr_check(x, daddr, saddr, family) &&
tmpl->mode == x->props.mode &&
tmpl->id.proto == x->id.proto &&
(tmpl->id.spi == x->id.spi || !tmpl->id.spi)) {
/* Resolution logic:
1. There is a valid state with matching selector.
Done.
2. Valid state with inappropriate selector. Skip.
(tmpl->id.spi == x->id.spi || !tmpl->id.spi))
xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
&best, &acquire_in_progress, &error);
}
if (best)
goto found;
Entering area of "sysdeps".
3. If state is not valid, selector is temporary,
it selects only session which triggered
previous resolution. Key manager will do
something to install a state with proper
selector.
*/
if (x->km.state == XFRM_STATE_VALID) {
if ((x->sel.family && !xfrm_selector_match(&x->sel, fl, x->sel.family)) ||
!security_xfrm_state_pol_flow_match(x, pol, fl))
continue;
if (!best ||
best->km.dying > x->km.dying ||
(best->km.dying == x->km.dying &&
best->curlft.add_time < x->curlft.add_time))
best = x;
} else if (x->km.state == XFRM_STATE_ACQ) {
acquire_in_progress = 1;
} else if (x->km.state == XFRM_STATE_ERROR ||
x->km.state == XFRM_STATE_EXPIRED) {
if (xfrm_selector_match(&x->sel, fl, x->sel.family) &&
security_xfrm_state_pol_flow_match(x, pol, fl))
error = -ESRCH;
}
}
h = xfrm_dst_hash(net, daddr, &saddr_wildcard, tmpl->reqid, family);
hlist_for_each_entry(x, entry, net->xfrm.state_bydst+h, bydst) {
if (x->props.family == family &&
x->props.reqid == tmpl->reqid &&
!(x->props.flags & XFRM_STATE_WILDRECV) &&
xfrm_state_addr_check(x, daddr, saddr, family) &&
tmpl->mode == x->props.mode &&
tmpl->id.proto == x->id.proto &&
(tmpl->id.spi == x->id.spi || !tmpl->id.spi))
xfrm_state_look_at(pol, x, fl, family, daddr, saddr,
&best, &acquire_in_progress, &error);
}
found:
x = best;
if (!x && !error && !acquire_in_progress) {
if (tmpl->id.spi &&