diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/tcp.h | 4 | ||||
| -rw-r--r-- | include/net/netns/ipv4.h | 1 | ||||
| -rw-r--r-- | include/net/tcp.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/snmp.h | 1 |
4 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 711361af9ce0..9a478a0cd3a2 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -484,4 +484,8 @@ static inline u16 tcp_mss_clamp(const struct tcp_sock *tp, u16 mss) return (user_mss && user_mss < mss) ? user_mss : mss; } + +int tcp_skb_shift(struct sk_buff *to, struct sk_buff *from, int pcount, + int shiftlen); + #endif /* _LINUX_TCP_H */ diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 7698460a3dd1..623cfbb7b8dc 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -117,6 +117,7 @@ struct netns_ipv4 { #endif int sysctl_tcp_mtu_probing; int sysctl_tcp_base_mss; + int sysctl_tcp_min_snd_mss; int sysctl_tcp_probe_threshold; u32 sysctl_tcp_probe_interval; diff --git a/include/net/tcp.h b/include/net/tcp.h index ac2f53fbfa6b..582c0caa9811 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -51,6 +51,8 @@ void tcp_time_wait(struct sock *sk, int state, int timeo); #define MAX_TCP_HEADER (128 + MAX_HEADER) #define MAX_TCP_OPTION_SPACE 40 +#define TCP_MIN_SND_MSS 48 +#define TCP_MIN_GSO_SIZE (TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE) /* * Never offer a window over 32767 without using window scaling. Some diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h index 86dc24a96c90..fd42c1316d3d 100644 --- a/include/uapi/linux/snmp.h +++ b/include/uapi/linux/snmp.h @@ -283,6 +283,7 @@ enum LINUX_MIB_TCPACKCOMPRESSED, /* TCPAckCompressed */ LINUX_MIB_TCPZEROWINDOWDROP, /* TCPZeroWindowDrop */ LINUX_MIB_TCPRCVQDROP, /* TCPRcvQDrop */ + LINUX_MIB_TCPWQUEUETOOBIG, /* TCPWqueueTooBig */ __LINUX_MIB_MAX }; |