diff options
| -rw-r--r-- | include/linux/udp.h | 11 | ||||
| -rw-r--r-- | net/ipv4/udp.c | 4 | ||||
| -rw-r--r-- | net/ipv6/udp.c | 3 |
3 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h index f613b329852e..e23d5024f42f 100644 --- a/include/linux/udp.h +++ b/include/linux/udp.h @@ -121,6 +121,17 @@ static inline bool udp_get_no_check6_rx(struct sock *sk) return udp_sk(sk)->no_check6_rx; } +static inline void udp_cmsg_recv(struct msghdr *msg, struct sock *sk, + struct sk_buff *skb) +{ + int gso_size; + + if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) { + gso_size = skb_shinfo(skb)->gso_size; + put_cmsg(msg, SOL_UDP, UDP_GRO, sizeof(gso_size), &gso_size); + } +} + #define udp_portaddr_for_each_entry(__sk, list) \ hlist_for_each_entry(__sk, list, __sk_common.skc_portaddr_node) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 9fc08b098ced..dddc6fe90f51 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1711,6 +1711,10 @@ try_again: memset(sin->sin_zero, 0, sizeof(sin->sin_zero)); *addr_len = sizeof(*sin); } + + if (udp_sk(sk)->gro_enabled) + udp_cmsg_recv(msg, sk, skb); + if (inet->cmsg_flags) ip_cmsg_recv_offset(msg, sk, skb, sizeof(struct udphdr), off); diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index bdf7e071a63b..4c79dc5329bc 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -417,6 +417,9 @@ try_again: *addr_len = sizeof(*sin6); } + if (udp_sk(sk)->gro_enabled) + udp_cmsg_recv(msg, sk, skb); + if (np->rxopt.all) ip6_datagram_recv_common_ctl(sk, msg, skb); |