diff options
Diffstat (limited to 'include/linux/udp.h')
| -rw-r--r-- | include/linux/udp.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h index 320d49d85484..2725c83395bf 100644 --- a/include/linux/udp.h +++ b/include/linux/udp.h @@ -49,7 +49,13 @@ struct udp_sock { unsigned int corkflag; /* Cork is required */ __u8 encap_type; /* Is this an Encapsulation socket? */ unsigned char no_check6_tx:1,/* Send zero UDP6 checksums on TX? */ - no_check6_rx:1;/* Allow zero UDP6 checksums on RX? */ + no_check6_rx:1,/* Allow zero UDP6 checksums on RX? */ + encap_enabled:1, /* This socket enabled encap + * processing; UDP tunnels and + * different encapsulation layer set + * this + */ + gro_enabled:1; /* Can accept GRO packets */ /* * Following member retains the information to create a UDP header * when the socket is uncorked. @@ -71,6 +77,7 @@ struct udp_sock { * For encapsulation sockets. */ int (*encap_rcv)(struct sock *sk, struct sk_buff *skb); + int (*encap_err_lookup)(struct sock *sk, struct sk_buff *skb); void (*encap_destroy)(struct sock *sk); /* GRO functions for UDP socket */ @@ -115,6 +122,23 @@ 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); + } +} + +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; +} + #define udp_portaddr_for_each_entry(__sk, list) \ hlist_for_each_entry(__sk, list, __sk_common.skc_portaddr_node) |