diff options
Diffstat (limited to 'net/xdp/xsk.c')
| -rw-r--r-- | net/xdp/xsk.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index 1d1e0cd51a95..c72b4dba2878 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -522,13 +522,17 @@ static int xsk_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len) bool need_wait = !(m->msg_flags & MSG_DONTWAIT); struct sock *sk = sock->sk; struct xdp_sock *xs = xdp_sk(sk); + struct xsk_buff_pool *pool; if (unlikely(!xsk_is_bound(xs))) return -ENXIO; if (unlikely(need_wait)) return -EOPNOTSUPP; - return __xsk_sendmsg(sk); + pool = xs->pool; + if (pool->cached_need_wakeup & XDP_WAKEUP_TX) + return __xsk_sendmsg(sk); + return 0; } static int xsk_recvmsg(struct socket *sock, struct msghdr *m, size_t len, int flags) |