diff options
Diffstat (limited to 'net/ipv6/udp_offload.c')
| -rw-r--r-- | net/ipv6/udp_offload.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index 2a04dc9c781b..f7b85b1e6b3e 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -17,6 +17,20 @@ #include <net/ip6_checksum.h> #include "ip6_offload.h" +static struct sk_buff *__udp6_gso_segment(struct sk_buff *gso_skb, + netdev_features_t features) +{ + const struct ipv6hdr *ip6h = ipv6_hdr(gso_skb); + unsigned int mss = skb_shinfo(gso_skb)->gso_size; + + if (!can_checksum_protocol(features, htons(ETH_P_IPV6))) + return ERR_PTR(-EIO); + + return __udp_gso_segment(gso_skb, features, mss, + udp_v6_check(sizeof(struct udphdr) + mss, + &ip6h->saddr, &ip6h->daddr, 0)); +} + static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, netdev_features_t features) { @@ -42,12 +56,15 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, const struct ipv6hdr *ipv6h; struct udphdr *uh; - if (!(skb_shinfo(skb)->gso_type & SKB_GSO_UDP)) + if (!(skb_shinfo(skb)->gso_type & (SKB_GSO_UDP | SKB_GSO_UDP_L4))) goto out; if (!pskb_may_pull(skb, sizeof(struct udphdr))) goto out; + if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) + return __udp6_gso_segment(skb, features); + /* Do software UFO. Complete and fill in the UDP checksum as HW cannot * do checksum of UDP packets sent as multiple IP fragments. */ |