diff options
Diffstat (limited to 'net/xdp')
| -rw-r--r-- | net/xdp/xsk.c | 3 | ||||
| -rw-r--r-- | net/xdp/xsk_queue.h | 5 |
2 files changed, 8 insertions, 0 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index d531f9cd0de6..8037b04a9edd 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -487,6 +487,9 @@ static int xsk_generic_xmit(struct sock *sk) if (err == NETDEV_TX_BUSY) { /* Tell user-space to retry the send */ skb->destructor = sock_wfree; + spin_lock_irqsave(&xs->pool->cq_lock, flags); + xskq_prod_cancel(xs->pool->cq); + spin_unlock_irqrestore(&xs->pool->cq_lock, flags); /* Free skb without triggering the perf drop trace */ consume_skb(skb); err = -EAGAIN; diff --git a/net/xdp/xsk_queue.h b/net/xdp/xsk_queue.h index 4a9663aa7afe..2823b7c3302d 100644 --- a/net/xdp/xsk_queue.h +++ b/net/xdp/xsk_queue.h @@ -334,6 +334,11 @@ static inline bool xskq_prod_is_full(struct xsk_queue *q) return xskq_prod_nb_free(q, 1) ? false : true; } +static inline void xskq_prod_cancel(struct xsk_queue *q) +{ + q->cached_prod--; +} + static inline int xskq_prod_reserve(struct xsk_queue *q) { if (xskq_prod_is_full(q)) |