diff options
Diffstat (limited to 'net/ipv4/ip_gre.c')
| -rw-r--r-- | net/ipv4/ip_gre.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index b8bada00d516..406512934507 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; |