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path: root/drivers/net/atl1/atl1_main.c
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Diffstat (limited to 'drivers/net/atl1/atl1_main.c')
-rw-r--r--drivers/net/atl1/atl1_main.c33
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/net/atl1/atl1_main.c b/drivers/net/atl1/atl1_main.c
index 8606eac5bec8..4b1d4d153ecf 100644
--- a/drivers/net/atl1/atl1_main.c
+++ b/drivers/net/atl1/atl1_main.c
@@ -408,7 +408,6 @@ static void atl1_rx_checksum(struct atl1_adapter *adapter,
408static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter) 408static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter)
409{ 409{
410 struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring; 410 struct atl1_rfd_ring *rfd_ring = &adapter->rfd_ring;
411 struct net_device *netdev = adapter->netdev;
412 struct pci_dev *pdev = adapter->pdev; 411 struct pci_dev *pdev = adapter->pdev;
413 struct page *page; 412 struct page *page;
414 unsigned long offset; 413 unsigned long offset;
@@ -444,7 +443,6 @@ static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter)
444 * the 14 byte MAC header is removed 443 * the 14 byte MAC header is removed
445 */ 444 */
446 skb_reserve(skb, NET_IP_ALIGN); 445 skb_reserve(skb, NET_IP_ALIGN);
447 skb->dev = netdev;
448 446
449 buffer_info->alloced = 1; 447 buffer_info->alloced = 1;
450 buffer_info->skb = skb; 448 buffer_info->skb = skb;
@@ -1296,19 +1294,21 @@ static int atl1_tso(struct atl1_adapter *adapter, struct sk_buff *skb,
1296 } 1294 }
1297 1295
1298 if (skb->protocol == ntohs(ETH_P_IP)) { 1296 if (skb->protocol == ntohs(ETH_P_IP)) {
1299 skb->nh.iph->tot_len = 0; 1297 struct iphdr *iph = ip_hdr(skb);
1300 skb->nh.iph->check = 0; 1298
1301 skb->h.th->check = 1299 iph->tot_len = 0;
1302 ~csum_tcpudp_magic(skb->nh.iph->saddr, 1300 iph->check = 0;
1303 skb->nh.iph->daddr, 0, 1301 tcp_hdr(skb)->check = ~csum_tcpudp_magic(iph->saddr,
1304 IPPROTO_TCP, 0); 1302 iph->daddr, 0,
1305 ipofst = skb->nh.raw - skb->data; 1303 IPPROTO_TCP,
1304 0);
1305 ipofst = skb_network_offset(skb);
1306 if (ipofst != ENET_HEADER_SIZE) /* 802.3 frame */ 1306 if (ipofst != ENET_HEADER_SIZE) /* 802.3 frame */
1307 tso->tsopl |= 1 << TSO_PARAM_ETHTYPE_SHIFT; 1307 tso->tsopl |= 1 << TSO_PARAM_ETHTYPE_SHIFT;
1308 1308
1309 tso->tsopl |= (skb->nh.iph->ihl & 1309 tso->tsopl |= (iph->ihl &
1310 CSUM_PARAM_IPHL_MASK) << CSUM_PARAM_IPHL_SHIFT; 1310 CSUM_PARAM_IPHL_MASK) << CSUM_PARAM_IPHL_SHIFT;
1311 tso->tsopl |= ((skb->h.th->doff << 2) & 1311 tso->tsopl |= (tcp_hdrlen(skb) &
1312 TSO_PARAM_TCPHDRLEN_MASK) << TSO_PARAM_TCPHDRLEN_SHIFT; 1312 TSO_PARAM_TCPHDRLEN_MASK) << TSO_PARAM_TCPHDRLEN_SHIFT;
1313 tso->tsopl |= (skb_shinfo(skb)->gso_size & 1313 tso->tsopl |= (skb_shinfo(skb)->gso_size &
1314 TSO_PARAM_MSS_MASK) << TSO_PARAM_MSS_SHIFT; 1314 TSO_PARAM_MSS_MASK) << TSO_PARAM_MSS_SHIFT;
@@ -1327,8 +1327,8 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb,
1327 u8 css, cso; 1327 u8 css, cso;
1328 1328
1329 if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { 1329 if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
1330 cso = skb->h.raw - skb->data; 1330 cso = skb_transport_offset(skb);
1331 css = (skb->h.raw + skb->csum_offset) - skb->data; 1331 css = cso + skb->csum_offset;
1332 if (unlikely(cso & 0x1)) { 1332 if (unlikely(cso & 0x1)) {
1333 printk(KERN_DEBUG "%s: payload offset != even number\n", 1333 printk(KERN_DEBUG "%s: payload offset != even number\n",
1334 atl1_driver_name); 1334 atl1_driver_name);
@@ -1370,8 +1370,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter,
1370 1370
1371 if (tcp_seg) { 1371 if (tcp_seg) {
1372 /* TSO/GSO */ 1372 /* TSO/GSO */
1373 proto_hdr_len = 1373 proto_hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1374 ((skb->h.raw - skb->data) + (skb->h.th->doff << 2));
1375 buffer_info->length = proto_hdr_len; 1374 buffer_info->length = proto_hdr_len;
1376 page = virt_to_page(skb->data); 1375 page = virt_to_page(skb->data);
1377 offset = (unsigned long)skb->data & ~PAGE_MASK; 1376 offset = (unsigned long)skb->data & ~PAGE_MASK;
@@ -1563,8 +1562,8 @@ static int atl1_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
1563 mss = skb_shinfo(skb)->gso_size; 1562 mss = skb_shinfo(skb)->gso_size;
1564 if (mss) { 1563 if (mss) {
1565 if (skb->protocol == htons(ETH_P_IP)) { 1564 if (skb->protocol == htons(ETH_P_IP)) {
1566 proto_hdr_len = ((skb->h.raw - skb->data) + 1565 proto_hdr_len = (skb_transport_offset(skb) +
1567 (skb->h.th->doff << 2)); 1566 tcp_hdrlen(skb));
1568 if (unlikely(proto_hdr_len > len)) { 1567 if (unlikely(proto_hdr_len > len)) {
1569 dev_kfree_skb_any(skb); 1568 dev_kfree_skb_any(skb);
1570 return NETDEV_TX_OK; 1569 return NETDEV_TX_OK;