target/linux/mvebu/patches-3.14/110-mvneta_fix_tso_and_chksum.patch

   1 --- a/drivers/net/ethernet/marvell/mvneta.c
   2 +++ b/drivers/net/ethernet/marvell/mvneta.c
   3 @@ -20,6 +20,7 @@
   4  #include <linux/mbus.h>
   5  #include <linux/module.h>
   6  #include <linux/interrupt.h>
   7 +#include <linux/if_vlan.h>
   8  #include <net/ip.h>
   9  #include <net/ipv6.h>
  10  #include <linux/io.h>
  11 @@ -1380,15 +1381,16 @@ static u32 mvneta_skb_tx_csum(struct mvn
  12  {
  13         if (skb->ip_summed == CHECKSUM_PARTIAL) {
  14                 int ip_hdr_len = 0;
  15 +               __be16 l3_proto = vlan_get_protocol(skb);
  16                 u8 l4_proto;
  17
  18 -               if (skb->protocol == htons(ETH_P_IP)) {
  19 +               if (l3_proto == htons(ETH_P_IP)) {
  20                         struct iphdr *ip4h = ip_hdr(skb);
  21
  22                         /* Calculate IPv4 checksum and L4 checksum */
  23                         ip_hdr_len = ip4h->ihl;
  24                         l4_proto = ip4h->protocol;
  25 -               } else if (skb->protocol == htons(ETH_P_IPV6)) {
  26 +               } else if (l3_proto == htons(ETH_P_IPV6)) {
  27                         struct ipv6hdr *ip6h = ipv6_hdr(skb);
  28
  29                         /* Read l4_protocol from one of IPv6 extra headers */
  30 @@ -1399,7 +1401,7 @@ static u32 mvneta_skb_tx_csum(struct mvn
  31                         return MVNETA_TX_L4_CSUM_NOT;
  32
  33                 return mvneta_txq_desc_csum(skb_network_offset(skb),
  34 -                               skb->protocol, ip_hdr_len, l4_proto);
  35 +                                       l3_proto, ip_hdr_len, l4_proto);
  36         }
  37
  38         return MVNETA_TX_L4_CSUM_NOT;