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-rw-r--r--net/packet/af_packet.c26
1 files changed, 22 insertions, 4 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 6a2bb37506c5..48a6a93db296 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -308,11 +308,27 @@ static bool packet_use_direct_xmit(const struct packet_sock *po)
308 return po->xmit == packet_direct_xmit; 308 return po->xmit == packet_direct_xmit;
309} 309}
310 310
311static u16 packet_pick_tx_queue(struct net_device *dev) 311static u16 __packet_pick_tx_queue(struct net_device *dev, struct sk_buff *skb)
312{ 312{
313 return (u16) raw_smp_processor_id() % dev->real_num_tx_queues; 313 return (u16) raw_smp_processor_id() % dev->real_num_tx_queues;
314} 314}
315 315
316static void packet_pick_tx_queue(struct net_device *dev, struct sk_buff *skb)
317{
318 const struct net_device_ops *ops = dev->netdev_ops;
319 u16 queue_index;
320
321 if (ops->ndo_select_queue) {
322 queue_index = ops->ndo_select_queue(dev, skb, NULL,
323 __packet_pick_tx_queue);
324 queue_index = netdev_cap_txqueue(dev, queue_index);
325 } else {
326 queue_index = __packet_pick_tx_queue(dev, skb);
327 }
328
329 skb_set_queue_mapping(skb, queue_index);
330}
331
316/* register_prot_hook must be invoked with the po->bind_lock held, 332/* register_prot_hook must be invoked with the po->bind_lock held,
317 * or from a context in which asynchronous accesses to the packet 333 * or from a context in which asynchronous accesses to the packet
318 * socket is not possible (packet_create()). 334 * socket is not possible (packet_create()).
@@ -2285,7 +2301,8 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
2285 } 2301 }
2286 } 2302 }
2287 2303
2288 skb_set_queue_mapping(skb, packet_pick_tx_queue(dev)); 2304 packet_pick_tx_queue(dev, skb);
2305
2289 skb->destructor = tpacket_destruct_skb; 2306 skb->destructor = tpacket_destruct_skb;
2290 __packet_set_status(po, ph, TP_STATUS_SENDING); 2307 __packet_set_status(po, ph, TP_STATUS_SENDING);
2291 packet_inc_pending(&po->tx_ring); 2308 packet_inc_pending(&po->tx_ring);
@@ -2499,7 +2516,8 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
2499 skb->dev = dev; 2516 skb->dev = dev;
2500 skb->priority = sk->sk_priority; 2517 skb->priority = sk->sk_priority;
2501 skb->mark = sk->sk_mark; 2518 skb->mark = sk->sk_mark;
2502 skb_set_queue_mapping(skb, packet_pick_tx_queue(dev)); 2519
2520 packet_pick_tx_queue(dev, skb);
2503 2521
2504 if (po->has_vnet_hdr) { 2522 if (po->has_vnet_hdr) {
2505 if (vnet_hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) { 2523 if (vnet_hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) {
@@ -3786,7 +3804,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
3786 */ 3804 */
3787 if (!tx_ring) 3805 if (!tx_ring)
3788 init_prb_bdqc(po, rb, pg_vec, req_u, tx_ring); 3806 init_prb_bdqc(po, rb, pg_vec, req_u, tx_ring);
3789 break; 3807 break;
3790 default: 3808 default:
3791 break; 3809 break;
3792 } 3810 }