diff options
Diffstat (limited to 'drivers/net/ethernet/intel/fm10k/fm10k_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_main.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c index ac39e50e4794..d2c189b037b5 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c @@ -395,6 +395,35 @@ static inline void fm10k_rx_hash(struct fm10k_ring *ring, PKT_HASH_TYPE_L4 : PKT_HASH_TYPE_L3); } +static void fm10k_type_trans(struct fm10k_ring *rx_ring, + union fm10k_rx_desc *rx_desc, + struct sk_buff *skb) +{ + struct net_device *dev = rx_ring->netdev; + struct fm10k_l2_accel *l2_accel = rcu_dereference_bh(rx_ring->l2_accel); + + /* check to see if DGLORT belongs to a MACVLAN */ + if (l2_accel) { + u16 idx = le16_to_cpu(FM10K_CB(skb)->fi.w.dglort) - 1; + + idx -= l2_accel->dglort; + if (idx < l2_accel->size && l2_accel->macvlan[idx]) + dev = l2_accel->macvlan[idx]; + else + l2_accel = NULL; + } + + skb->protocol = eth_type_trans(skb, dev); + + if (!l2_accel) + return; + + /* update MACVLAN statistics */ + macvlan_count_rx(netdev_priv(dev), skb->len + ETH_HLEN, 1, + !!(rx_desc->w.hdr_info & + cpu_to_le16(FM10K_RXD_HDR_INFO_XC_MASK))); +} + /** * fm10k_process_skb_fields - Populate skb header fields from Rx descriptor * @rx_ring: rx descriptor ring packet is being transacted on @@ -428,7 +457,7 @@ static unsigned int fm10k_process_skb_fields(struct fm10k_ring *rx_ring, __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } - skb->protocol = eth_type_trans(skb, rx_ring->netdev); + fm10k_type_trans(rx_ring, rx_desc, skb); return len; } @@ -1568,6 +1597,7 @@ static int fm10k_alloc_q_vector(struct fm10k_intfc *interface, /* assign generic ring traits */ ring->dev = &interface->pdev->dev; ring->netdev = interface->netdev; + rcu_assign_pointer(ring->l2_accel, interface->l2_accel); /* configure backlink on ring */ ring->q_vector = q_vector; |