diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/sock.h | 13 | ||||
| -rw-r--r-- | include/net/tcp.h | 2 |
2 files changed, 11 insertions, 4 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 7136bae48c2..7b3d6b85694 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -140,6 +140,7 @@ struct sock_common { * @sk_flags: %SO_LINGER (l_onoff), %SO_BROADCAST, %SO_KEEPALIVE, %SO_OOBINLINE settings * @sk_no_check: %SO_NO_CHECK setting, wether or not checkup packets * @sk_route_caps: route capabilities (e.g. %NETIF_F_TSO) + * @sk_gso_type: GSO type (e.g. %SKB_GSO_TCPV4) * @sk_lingertime: %SO_LINGER l_linger setting * @sk_backlog: always used with the per-socket spinlock held * @sk_callback_lock: used with the callbacks in the end of this struct @@ -211,6 +212,7 @@ struct sock { gfp_t sk_allocation; int sk_sndbuf; int sk_route_caps; + int sk_gso_type; int sk_rcvlowat; unsigned long sk_flags; unsigned long sk_lingertime; @@ -1025,15 +1027,20 @@ extern struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie); extern struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie); +static inline int sk_can_gso(const struct sock *sk) +{ + return net_gso_ok(sk->sk_route_caps, sk->sk_gso_type); +} + static inline void sk_setup_caps(struct sock *sk, struct dst_entry *dst) { __sk_dst_set(sk, dst); sk->sk_route_caps = dst->dev->features; if (sk->sk_route_caps & NETIF_F_GSO) - sk->sk_route_caps |= NETIF_F_TSO; - if (sk->sk_route_caps & NETIF_F_TSO) { + sk->sk_route_caps |= NETIF_F_GSO_MASK; + if (sk_can_gso(sk)) { if (dst->header_len) - sk->sk_route_caps &= ~NETIF_F_TSO; + sk->sk_route_caps &= ~NETIF_F_GSO_MASK; else sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM; } diff --git a/include/net/tcp.h b/include/net/tcp.h index 624921e7633..3cd803b0d7a 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -751,7 +751,7 @@ static inline int tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight) if (in_flight >= tp->snd_cwnd) return 1; - if (!(sk->sk_route_caps & NETIF_F_TSO)) + if (!sk_can_gso(sk)) return 0; left = tp->snd_cwnd - in_flight; |