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niu: Add skb->rxhash support. 

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2010-04-22 15:48:17 -07:00
parent 927b1375f9
commit 3cfa856d6d
2 changed files with 45 additions and 14 deletions
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52
drivers/net/niu.c
View File

@ -36,8 +36,8 @@
#include "niu.h"
#define DRV_MODULE_NAME "niu"
#define DRV_MODULE_VERSION "1.0"
#define DRV_MODULE_RELDATE "Nov 14, 2008"
#define DRV_MODULE_VERSION "1.1"
#define DRV_MODULE_RELDATE "Apr 22, 2010"
static char version[] __devinitdata =
DRV_MODULE_NAME ".c:v" DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
@ -3444,6 +3444,7 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
struct rx_ring_info *rp)
{
unsigned int index = rp->rcr_index;
struct rx_pkt_hdr1 *rh;
struct sk_buff *skb;
int len, num_rcr;
@ -3477,9 +3478,6 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
if (num_rcr == 1) {
int ptype;
off += 2;
append_size -= 2;
ptype = (val >> RCR_ENTRY_PKT_TYPE_SHIFT);
if ((ptype == RCR_PKT_TYPE_TCP ||
ptype == RCR_PKT_TYPE_UDP) &&
@ -3488,8 +3486,7 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
skb->ip_summed = CHECKSUM_NONE;
}
if (!(val & RCR_ENTRY_MULTI))
} else if (!(val & RCR_ENTRY_MULTI))
append_size = len - skb->len;
niu_rx_skb_append(skb, page, off, append_size);
@ -3510,8 +3507,17 @@ static int niu_process_rx_pkt(struct napi_struct *napi, struct niu *np,
}
rp->rcr_index = index;
skb_reserve(skb, NET_IP_ALIGN);
__pskb_pull_tail(skb, min(len, VLAN_ETH_HLEN));
len += sizeof(*rh);
len = min_t(int, len, sizeof(*rh) + VLAN_ETH_HLEN);
__pskb_pull_tail(skb, len);
rh = (struct rx_pkt_hdr1 *) skb->data;
if (np->dev->features & NETIF_F_RXHASH)
skb->rxhash = ((u32)rh->hashval2_0 << 24 |
(u32)rh->hashval2_1 << 16 |
(u32)rh->hashval1_1 << 8 |
(u32)rh->hashval1_2 << 0);
skb_pull(skb, sizeof(*rh));
rp->rx_packets++;
rp->rx_bytes += skb->len;
@ -4946,7 +4952,9 @@ static int niu_init_one_rx_channel(struct niu *np, struct rx_ring_info *rp)
RX_DMA_CTL_STAT_RCRTO |
RX_DMA_CTL_STAT_RBR_EMPTY));
nw64(RXDMA_CFIG1(channel), rp->mbox_dma >> 32);
nw64(RXDMA_CFIG2(channel), (rp->mbox_dma & 0x00000000ffffffc0));
nw64(RXDMA_CFIG2(channel),
((rp->mbox_dma & RXDMA_CFIG2_MBADDR_L) |
RXDMA_CFIG2_FULL_HDR));
nw64(RBR_CFIG_A(channel),
((u64)rp->rbr_table_size << RBR_CFIG_A_LEN_SHIFT) |
(rp->rbr_dma & (RBR_CFIG_A_STADDR_BASE | RBR_CFIG_A_STADDR)));
@ -7910,6 +7918,18 @@ static int niu_phys_id(struct net_device *dev, u32 data)
return 0;
}
static int niu_set_flags(struct net_device *dev, u32 data)
{
if (data & (ETH_FLAG_LRO | ETH_FLAG_NTUPLE))
return -EOPNOTSUPP;
if (data & ETH_FLAG_RXHASH)
dev->features |= NETIF_F_RXHASH;
else
dev->features &= ~NETIF_F_RXHASH;
return 0;
}
static const struct ethtool_ops niu_ethtool_ops = {
.get_drvinfo = niu_get_drvinfo,
.get_link = ethtool_op_get_link,
@ -7926,6 +7946,8 @@ static const struct ethtool_ops niu_ethtool_ops = {
.phys_id = niu_phys_id,
.get_rxnfc = niu_get_nfc,
.set_rxnfc = niu_set_nfc,
.set_flags = niu_set_flags,
.get_flags = ethtool_op_get_flags,
};
static int niu_ldg_assign_ldn(struct niu *np, struct niu_parent *parent,
@ -9754,6 +9776,12 @@ static void __devinit niu_device_announce(struct niu *np)
}
}
static void __devinit niu_set_basic_features(struct net_device *dev)
{
dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM |
NETIF_F_GRO | NETIF_F_RXHASH);
}
static int __devinit niu_pci_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@ -9838,7 +9866,7 @@ static int __devinit niu_pci_init_one(struct pci_dev *pdev,
}
}
dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_GRO);
niu_set_basic_features(dev);
np->regs = pci_ioremap_bar(pdev, 0);
if (!np->regs) {
@ -10080,7 +10108,7 @@ static int __devinit niu_of_probe(struct of_device *op,
goto err_out_free_dev;
}
dev->features |= (NETIF_F_SG | NETIF_F_HW_CSUM);
niu_set_basic_features(dev);
np->regs = of_ioremap(&op->resource[1], 0,
resource_size(&op->resource[1]),

7
drivers/net/niu.h
View File

@ -2706,7 +2706,7 @@ struct rx_pkt_hdr0 {
#if defined(__LITTLE_ENDIAN_BITFIELD)
u8 inputport:2,
maccheck:1,
class:4;
class:5;
u8 vlan:1,
llcsnap:1,
noport:1,
@ -2715,7 +2715,7 @@ struct rx_pkt_hdr0 {
tres:2,
tzfvld:1;
#elif defined(__BIG_ENDIAN_BITFIELD)
u8 class:4,
u8 class:5,
maccheck:1,
inputport:2;
u8 tzfvld:1,
@ -2775,6 +2775,9 @@ struct rx_pkt_hdr1 {
/* Bits 7:0 of hash value, H1. */
u8 hashval1_2;
u8 hwrsvd5;
u8 hwrsvd6;
u8 usrdata_0; /* Bits 39:32 of user data. */
u8 usrdata_1; /* Bits 31:24 of user data. */
u8 usrdata_2; /* Bits 23:16 of user data. */