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Diffstat (limited to 'drivers/infiniband/hw/mlx4/ah.c')
-rw-r--r--drivers/infiniband/hw/mlx4/ah.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/ah.c b/drivers/infiniband/hw/mlx4/ah.c
index 3bf3544c0aa..4b8f9c49397 100644
--- a/drivers/infiniband/hw/mlx4/ah.c
+++ b/drivers/infiniband/hw/mlx4/ah.c
@@ -31,6 +31,7 @@
*/
#include <rdma/ib_addr.h>
+#include <rdma/ib_cache.h>
#include <linux/slab.h>
#include <linux/inet.h>
@@ -91,17 +92,26 @@ static struct ib_ah *create_iboe_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr
{
struct mlx4_ib_dev *ibdev = to_mdev(pd->device);
struct mlx4_dev *dev = ibdev->dev;
+ union ib_gid sgid;
u8 mac[6];
int err;
int is_mcast;
+ u16 vlan_tag;
err = mlx4_ib_resolve_grh(ibdev, ah_attr, mac, &is_mcast, ah_attr->port_num);
if (err)
return ERR_PTR(err);
memcpy(ah->av.eth.mac, mac, 6);
+ err = ib_get_cached_gid(pd->device, ah_attr->port_num, ah_attr->grh.sgid_index, &sgid);
+ if (err)
+ return ERR_PTR(err);
+ vlan_tag = rdma_get_vlan_id(&sgid);
+ if (vlan_tag < 0x1000)
+ vlan_tag |= (ah_attr->sl & 7) << 13;
ah->av.eth.port_pd = cpu_to_be32(to_mpd(pd)->pdn | (ah_attr->port_num << 24));
ah->av.eth.gid_index = ah_attr->grh.sgid_index;
+ ah->av.eth.vlan = cpu_to_be16(vlan_tag);
if (ah_attr->static_rate) {
ah->av.eth.stat_rate = ah_attr->static_rate + MLX4_STAT_RATE_OFFSET;
while (ah->av.eth.stat_rate > IB_RATE_2_5_GBPS + MLX4_STAT_RATE_OFFSET &&