diff options
Diffstat (limited to 'net/xdp')
| -rw-r--r-- | net/xdp/xsk.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c index 4faabd1ecfd1..143979ea4165 100644 --- a/net/xdp/xsk.c +++ b/net/xdp/xsk.c @@ -454,12 +454,16 @@ static int xsk_generic_xmit(struct sock *sk) struct sk_buff *skb; unsigned long flags; int err = 0; + u32 hr, tr; mutex_lock(&xs->mutex); if (xs->queue_id >= xs->dev->real_num_tx_queues) goto out; + hr = max(NET_SKB_PAD, L1_CACHE_ALIGN(xs->dev->needed_headroom)); + tr = xs->dev->needed_tailroom; + while (xskq_cons_peek_desc(xs->tx, &desc, xs->pool)) { char *buffer; u64 addr; @@ -471,11 +475,13 @@ static int xsk_generic_xmit(struct sock *sk) } len = desc.len; - skb = sock_alloc_send_skb(sk, len, 1, &err); + skb = sock_alloc_send_skb(sk, hr + len + tr, 1, &err); if (unlikely(!skb)) goto out; + skb_reserve(skb, hr); skb_put(skb, len); + addr = desc.addr; buffer = xsk_buff_raw_get_data(xs->pool, addr); err = skb_store_bits(skb, 0, buffer, len); |