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path: root/drivers/net/ethernet/intel/e1000/e1000_main.c
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Diffstat (limited to 'drivers/net/ethernet/intel/e1000/e1000_main.c')
-rw-r--r--drivers/net/ethernet/intel/e1000/e1000_main.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index cbc330b301cd..ad3d5d12173f 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -2674,7 +2674,8 @@ set_itr_now:
2674#define E1000_TX_FLAGS_VLAN_SHIFT 16 2674#define E1000_TX_FLAGS_VLAN_SHIFT 16
2675 2675
2676static int e1000_tso(struct e1000_adapter *adapter, 2676static int e1000_tso(struct e1000_adapter *adapter,
2677 struct e1000_tx_ring *tx_ring, struct sk_buff *skb) 2677 struct e1000_tx_ring *tx_ring, struct sk_buff *skb,
2678 __be16 protocol)
2678{ 2679{
2679 struct e1000_context_desc *context_desc; 2680 struct e1000_context_desc *context_desc;
2680 struct e1000_buffer *buffer_info; 2681 struct e1000_buffer *buffer_info;
@@ -2692,7 +2693,7 @@ static int e1000_tso(struct e1000_adapter *adapter,
2692 2693
2693 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); 2694 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
2694 mss = skb_shinfo(skb)->gso_size; 2695 mss = skb_shinfo(skb)->gso_size;
2695 if (skb->protocol == htons(ETH_P_IP)) { 2696 if (protocol == htons(ETH_P_IP)) {
2696 struct iphdr *iph = ip_hdr(skb); 2697 struct iphdr *iph = ip_hdr(skb);
2697 iph->tot_len = 0; 2698 iph->tot_len = 0;
2698 iph->check = 0; 2699 iph->check = 0;
@@ -2702,7 +2703,7 @@ static int e1000_tso(struct e1000_adapter *adapter,
2702 0); 2703 0);
2703 cmd_length = E1000_TXD_CMD_IP; 2704 cmd_length = E1000_TXD_CMD_IP;
2704 ipcse = skb_transport_offset(skb) - 1; 2705 ipcse = skb_transport_offset(skb) - 1;
2705 } else if (skb->protocol == htons(ETH_P_IPV6)) { 2706 } else if (skb_is_gso_v6(skb)) {
2706 ipv6_hdr(skb)->payload_len = 0; 2707 ipv6_hdr(skb)->payload_len = 0;
2707 tcp_hdr(skb)->check = 2708 tcp_hdr(skb)->check =
2708 ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, 2709 ~csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
@@ -2745,7 +2746,8 @@ static int e1000_tso(struct e1000_adapter *adapter,
2745} 2746}
2746 2747
2747static bool e1000_tx_csum(struct e1000_adapter *adapter, 2748static bool e1000_tx_csum(struct e1000_adapter *adapter,
2748 struct e1000_tx_ring *tx_ring, struct sk_buff *skb) 2749 struct e1000_tx_ring *tx_ring, struct sk_buff *skb,
2750 __be16 protocol)
2749{ 2751{
2750 struct e1000_context_desc *context_desc; 2752 struct e1000_context_desc *context_desc;
2751 struct e1000_buffer *buffer_info; 2753 struct e1000_buffer *buffer_info;
@@ -2756,7 +2758,7 @@ static bool e1000_tx_csum(struct e1000_adapter *adapter,
2756 if (skb->ip_summed != CHECKSUM_PARTIAL) 2758 if (skb->ip_summed != CHECKSUM_PARTIAL)
2757 return false; 2759 return false;
2758 2760
2759 switch (skb->protocol) { 2761 switch (protocol) {
2760 case cpu_to_be16(ETH_P_IP): 2762 case cpu_to_be16(ETH_P_IP):
2761 if (ip_hdr(skb)->protocol == IPPROTO_TCP) 2763 if (ip_hdr(skb)->protocol == IPPROTO_TCP)
2762 cmd_len |= E1000_TXD_CMD_TCP; 2764 cmd_len |= E1000_TXD_CMD_TCP;
@@ -3097,6 +3099,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
3097 int count = 0; 3099 int count = 0;
3098 int tso; 3100 int tso;
3099 unsigned int f; 3101 unsigned int f;
3102 __be16 protocol = vlan_get_protocol(skb);
3100 3103
3101 /* This goes back to the question of how to logically map a Tx queue 3104 /* This goes back to the question of how to logically map a Tx queue
3102 * to a flow. Right now, performance is impacted slightly negatively 3105 * to a flow. Right now, performance is impacted slightly negatively
@@ -3210,7 +3213,7 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
3210 3213
3211 first = tx_ring->next_to_use; 3214 first = tx_ring->next_to_use;
3212 3215
3213 tso = e1000_tso(adapter, tx_ring, skb); 3216 tso = e1000_tso(adapter, tx_ring, skb, protocol);
3214 if (tso < 0) { 3217 if (tso < 0) {
3215 dev_kfree_skb_any(skb); 3218 dev_kfree_skb_any(skb);
3216 return NETDEV_TX_OK; 3219 return NETDEV_TX_OK;
@@ -3220,10 +3223,10 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb,
3220 if (likely(hw->mac_type != e1000_82544)) 3223 if (likely(hw->mac_type != e1000_82544))
3221 tx_ring->last_tx_tso = true; 3224 tx_ring->last_tx_tso = true;
3222 tx_flags |= E1000_TX_FLAGS_TSO; 3225 tx_flags |= E1000_TX_FLAGS_TSO;
3223 } else if (likely(e1000_tx_csum(adapter, tx_ring, skb))) 3226 } else if (likely(e1000_tx_csum(adapter, tx_ring, skb, protocol)))
3224 tx_flags |= E1000_TX_FLAGS_CSUM; 3227 tx_flags |= E1000_TX_FLAGS_CSUM;
3225 3228
3226 if (likely(skb->protocol == htons(ETH_P_IP))) 3229 if (protocol == htons(ETH_P_IP))
3227 tx_flags |= E1000_TX_FLAGS_IPV4; 3230 tx_flags |= E1000_TX_FLAGS_IPV4;
3228 3231
3229 if (unlikely(skb->no_fcs)) 3232 if (unlikely(skb->no_fcs))