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Diffstat (limited to 'include/linux/udp.h')
-rw-r--r--include/linux/udp.h22
1 files changed, 19 insertions, 3 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h
index aa84597bdc33..ae66dadd8543 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -51,7 +51,9 @@ struct udp_sock {
* different encapsulation layer set
* this
*/
- gro_enabled:1; /* Can accept GRO packets */
+ gro_enabled:1, /* Request GRO aggregation */
+ accept_udp_l4:1,
+ accept_udp_fraglist:1;
/*
* Following member retains the information to create a UDP header
* when the socket is uncorked.
@@ -131,8 +133,22 @@ static inline void udp_cmsg_recv(struct msghdr *msg, struct sock *sk,
static inline bool udp_unexpected_gso(struct sock *sk, struct sk_buff *skb)
{
- return !udp_sk(sk)->gro_enabled && skb_is_gso(skb) &&
- skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4;
+ if (!skb_is_gso(skb))
+ return false;
+
+ if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4 && !udp_sk(sk)->accept_udp_l4)
+ return true;
+
+ if (skb_shinfo(skb)->gso_type & SKB_GSO_FRAGLIST && !udp_sk(sk)->accept_udp_fraglist)
+ return true;
+
+ return false;
+}
+
+static inline void udp_allow_gso(struct sock *sk)
+{
+ udp_sk(sk)->accept_udp_l4 = 1;
+ udp_sk(sk)->accept_udp_fraglist = 1;
}
#define udp_portaddr_for_each_entry(__sk, list) \