diff options
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 34f5db1e1c8..45156be3abf 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -891,15 +891,18 @@ EXPORT_SYMBOL(tcp_sendpage); #define TCP_PAGE(sk) (sk->sk_sndmsg_page) #define TCP_OFF(sk) (sk->sk_sndmsg_off) -static inline int select_size(const struct sock *sk, int sg) +static inline int select_size(const struct sock *sk, bool sg) { const struct tcp_sock *tp = tcp_sk(sk); int tmp = tp->mss_cache; if (sg) { - if (sk_can_gso(sk)) - tmp = 0; - else { + if (sk_can_gso(sk)) { + /* Small frames wont use a full page: + * Payload will immediately follow tcp header. + */ + tmp = SKB_WITH_OVERHEAD(2048 - MAX_TCP_HEADER); + } else { int pgbreak = SKB_MAX_HEAD(MAX_TCP_HEADER); if (tmp >= pgbreak && @@ -917,9 +920,9 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, struct iovec *iov; struct tcp_sock *tp = tcp_sk(sk); struct sk_buff *skb; - int iovlen, flags; + int iovlen, flags, err, copied; int mss_now, size_goal; - int sg, err, copied; + bool sg; long timeo; lock_sock(sk); @@ -946,7 +949,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, if (sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN)) goto out_err; - sg = sk->sk_route_caps & NETIF_F_SG; + sg = !!(sk->sk_route_caps & NETIF_F_SG); while (--iovlen >= 0) { size_t seglen = iov->iov_len; @@ -2653,7 +2656,8 @@ int compat_tcp_getsockopt(struct sock *sk, int level, int optname, EXPORT_SYMBOL(compat_tcp_getsockopt); #endif -struct sk_buff *tcp_tso_segment(struct sk_buff *skb, u32 features) +struct sk_buff *tcp_tso_segment(struct sk_buff *skb, + netdev_features_t features) { struct sk_buff *segs = ERR_PTR(-EINVAL); struct tcphdr *th; |