diff options
author | Otavio Salvador <otavio@ossystems.com.br> | 2022-05-19 11:02:10 -0300 |
---|---|---|
committer | GitHub <noreply@github.com> | 2022-05-19 11:02:10 -0300 |
commit | b7007e1d615b8d4b71c28ebf790c5164fc4491d5 (patch) | |
tree | 48c35f63dc1101d0d528b5d79c81849b99ca7c6d /drivers/net/veth.c | |
parent | 38955ef654554c94f4d91bafb9ef5c5f41a4c0f6 (diff) | |
parent | 0e61b511dd8474280ba674590daa55f30433b7d4 (diff) |
Merge pull request #565 from philschenker/update-to-5.4.193__update-to-2.3.7__5.4-2.3.x-imx
Update Patchlevel on Branch 5.4-2.3.x-imx from 5.4.161->5.4.193
Diffstat (limited to 'drivers/net/veth.c')
-rw-r--r-- | drivers/net/veth.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 44ad412f9a06..683425e3a353 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -209,9 +209,10 @@ static void __veth_xdp_flush(struct veth_rq *rq) { /* Write ptr_ring before reading rx_notify_masked */ smp_mb(); - if (!rq->rx_notify_masked) { - rq->rx_notify_masked = true; - napi_schedule(&rq->xdp_napi); + if (!READ_ONCE(rq->rx_notify_masked) && + napi_schedule_prep(&rq->xdp_napi)) { + WRITE_ONCE(rq->rx_notify_masked, true); + __napi_schedule(&rq->xdp_napi); } } @@ -244,7 +245,7 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) rcu_read_lock(); rcv = rcu_dereference(priv->peer); - if (unlikely(!rcv)) { + if (unlikely(!rcv) || !pskb_may_pull(skb, ETH_HLEN)) { kfree_skb(skb); goto drop; } @@ -254,7 +255,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev) if (rxq < rcv->real_num_rx_queues) { rq = &rcv_priv->rq[rxq]; rcv_xdp = rcu_access_pointer(rq->xdp_prog); - skb_record_rx_queue(skb, rxq); } skb_tx_timestamp(skb); @@ -781,8 +781,10 @@ static int veth_poll(struct napi_struct *napi, int budget) /* Write rx_notify_masked before reading ptr_ring */ smp_store_mb(rq->rx_notify_masked, false); if (unlikely(!__ptr_ring_empty(&rq->xdp_ring))) { - rq->rx_notify_masked = true; - napi_schedule(&rq->xdp_napi); + if (napi_schedule_prep(&rq->xdp_napi)) { + WRITE_ONCE(rq->rx_notify_masked, true); + __napi_schedule(&rq->xdp_napi); + } } } |