diff options
| author | David Miller <davem@davemloft.net> | 2011-12-02 17:52:27 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-12-05 21:20:19 +0100 |
| commit | 40e2bb588f7712e4d58191ccc08b716927d9c7d0 (patch) | |
| tree | 32bb6a47e965619438923c659eeb45de22b8c6fc /drivers/infiniband/hw/nes | |
| parent | cxgb3: Handle NULL dst neighbour in cxgb3_offload.c (diff) | |
| download | linux-40e2bb588f7712e4d58191ccc08b716927d9c7d0.tar.xz linux-40e2bb588f7712e4d58191ccc08b716927d9c7d0.zip | |
infiniband: nes: Use dst's neighbour entry.
Do this instead of performing a by-hand lookup.
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw/nes')
| -rw-r--r-- | drivers/infiniband/hw/nes/nes_cm.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index 686667a362cf..b1e6cae5f47e 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -1348,7 +1348,8 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi else netdev = nesvnic->netdev; - neigh = neigh_lookup(&arp_tbl, &rt->rt_gateway, netdev); + rcu_read_lock(); + neigh = dst_get_neighbour_noref(&rt->dst); if (neigh) { if (neigh->nud_state & NUD_VALID) { nes_debug(NES_DBG_CM, "Neighbor MAC address for 0x%08X" @@ -1359,7 +1360,6 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi if (!memcmp(nesadapter->arp_table[arpindex].mac_addr, neigh->ha, ETH_ALEN)) { /* Mac address same as in nes_arp_table */ - neigh_release(neigh); ip_rt_put(rt); return rc; } @@ -1373,15 +1373,11 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi dst_ip, NES_ARP_ADD); rc = nes_arp_table(nesvnic->nesdev, dst_ip, NULL, NES_ARP_RESOLVE); + } else { + neigh_event_send(neigh, NULL); } - neigh_release(neigh); - } - - if ((neigh == NULL) || (!(neigh->nud_state & NUD_VALID))) { - rcu_read_lock(); - neigh_event_send(dst_get_neighbour_noref(&rt->dst), NULL); - rcu_read_unlock(); } + rcu_read_unlock(); ip_rt_put(rt); return rc; } |