diff options
Diffstat (limited to 'drivers/net/netdevsim/netdev.c')
| -rw-r--r-- | drivers/net/netdevsim/netdev.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/netdevsim/netdev.c b/drivers/net/netdevsim/netdev.c index fa1d97885caa..6927c1962277 100644 --- a/drivers/net/netdevsim/netdev.c +++ b/drivers/net/netdevsim/netdev.c @@ -133,15 +133,21 @@ static netdev_tx_t nsim_start_xmit(struct sk_buff *skb, struct net_device *dev) if (!nsim_ipsec_tx(ns, skb)) goto out_drop_any; - peer_ns = rcu_dereference(ns->peer); - if (!peer_ns) - goto out_drop_any; + /* Check if loopback mode is enabled */ + if (dev->features & NETIF_F_LOOPBACK) { + peer_ns = ns; + peer_dev = dev; + } else { + peer_ns = rcu_dereference(ns->peer); + if (!peer_ns) + goto out_drop_any; + peer_dev = peer_ns->netdev; + } dr = nsim_do_psp(skb, ns, peer_ns, &psp_ext); if (dr) goto out_drop_free; - peer_dev = peer_ns->netdev; rxq = skb_get_queue_mapping(skb); if (rxq >= peer_dev->num_rx_queues) rxq = rxq % peer_dev->num_rx_queues; @@ -433,13 +439,8 @@ static int nsim_rcv(struct nsim_rq *rq, int budget) } /* skb might be discard at netif_receive_skb, save the len */ - skblen = skb->len; - skb_mark_napi_id(skb, &rq->napi); - ret = netif_receive_skb(skb); - if (ret == NET_RX_SUCCESS) - dev_dstats_rx_add(dev, skblen); - else - dev_dstats_rx_dropped(dev); + dev_dstats_rx_add(dev, skb->len); + napi_gro_receive(&rq->napi, skb); } nsim_start_peer_tx_queue(dev, rq); @@ -981,7 +982,8 @@ static void nsim_setup(struct net_device *dev) NETIF_F_FRAGLIST | NETIF_F_HW_CSUM | NETIF_F_LRO | - NETIF_F_TSO; + NETIF_F_TSO | + NETIF_F_LOOPBACK; dev->pcpu_stat_type = NETDEV_PCPU_STAT_DSTATS; dev->max_mtu = ETH_MAX_MTU; dev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_HW_OFFLOAD; |