diff options
Diffstat (limited to 'net/ipv4/ip_gre.c')
| -rw-r--r-- | net/ipv4/ip_gre.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 5ef4da780ac1..d0ef0e674ec5 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -735,7 +735,7 @@ drop: return 0; } -static struct sk_buff *handle_offloads(struct sk_buff *skb) +static struct sk_buff *handle_offloads(struct ip_tunnel *tunnel, struct sk_buff *skb) { int err; @@ -745,8 +745,12 @@ static struct sk_buff *handle_offloads(struct sk_buff *skb) goto error; skb_shinfo(skb)->gso_type |= SKB_GSO_GRE; return skb; - } - if (skb->ip_summed != CHECKSUM_PARTIAL) + } else if (skb->ip_summed == CHECKSUM_PARTIAL && + tunnel->parms.o_flags&GRE_CSUM) { + err = skb_checksum_help(skb); + if (unlikely(err)) + goto error; + } else if (skb->ip_summed != CHECKSUM_PARTIAL) skb->ip_summed = CHECKSUM_NONE; return skb; @@ -776,7 +780,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev int err; int pkt_len; - skb = handle_offloads(skb); + skb = handle_offloads(tunnel, skb); if (IS_ERR(skb)) { dev->stats.tx_dropped++; return NETDEV_TX_OK; @@ -970,7 +974,8 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev iph->daddr = fl4.daddr; iph->saddr = fl4.saddr; iph->ttl = ttl; - iph->id = 0; + + tunnel_ip_select_ident(skb, old_iph, &rt->dst); if (ttl == 0) { if (skb->protocol == htons(ETH_P_IP)) @@ -1101,14 +1106,8 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev) tunnel->hlen = addend; /* TCP offload with GRE SEQ is not supported. */ if (!(tunnel->parms.o_flags & GRE_SEQ)) { - /* device supports enc gso offload*/ - if (tdev->hw_enc_features & NETIF_F_GRE_GSO) { - dev->features |= NETIF_F_TSO; - dev->hw_features |= NETIF_F_TSO; - } else { - dev->features |= NETIF_F_GSO_SOFTWARE; - dev->hw_features |= NETIF_F_GSO_SOFTWARE; - } + dev->features |= NETIF_F_GSO_SOFTWARE; + dev->hw_features |= NETIF_F_GSO_SOFTWARE; } return mtu; |