diff options
author | Or Gerlitz <ogerlitz@mellanox.com> | 2011-07-19 09:34:15 +0000 |
---|---|---|
committer | Roland Dreier <roland@purestorage.com> | 2011-07-26 13:15:57 -0700 |
commit | 3e73678e88d2ea414a9f4ae187f6412593bd0a1f (patch) | |
tree | 5537863111f09811354795646d9706fd6ba0b85a | |
parent | 902aa188c156e8e2832f5afdf76eb2655fa80582 (diff) | |
download | libmlx4-3e73678e88d2ea414a9f4ae187f6412593bd0a1f.tar.gz |
Add IBoE UD/VLANs support
Add VLAN support for the UD address handle creation flow, where the
VLAN id is taken from the destination GID and the VLAN priority from
the IB SL specified by the application.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
-rw-r--r-- | src/mlx4.h | 1 | ||||
-rw-r--r-- | src/qp.c | 1 | ||||
-rw-r--r-- | src/verbs.c | 9 | ||||
-rw-r--r-- | src/wqe.h | 2 |
4 files changed, 10 insertions, 3 deletions
@@ -241,6 +241,7 @@ struct mlx4_av { struct mlx4_ah { struct ibv_ah ibv_ah; struct mlx4_av av; + uint16_t vlan; uint8_t mac[6]; }; @@ -144,6 +144,7 @@ static void set_datagram_seg(struct mlx4_wqe_datagram_seg *dseg, memcpy(dseg->av, &to_mah(wr->wr.ud.ah)->av, sizeof (struct mlx4_av)); dseg->dqpn = htonl(wr->wr.ud.remote_qpn); dseg->qkey = htonl(wr->wr.ud.remote_qkey); + dseg->vlan = htons(to_mah(wr->wr.ud.ah)->vlan); memcpy(dseg->mac, to_mah(wr->wr.ud.ah)->mac, 6); } diff --git a/src/verbs.c b/src/verbs.c index 389801c..199d107 100644 --- a/src/verbs.c +++ b/src/verbs.c @@ -633,13 +633,18 @@ static uint16_t get_vlan_id(union ibv_gid *gid) static int mlx4_resolve_grh_to_l2(struct mlx4_ah *ah, struct ibv_ah_attr *attr) { - if (get_vlan_id(&attr->grh.dgid) != 0xffff) - return 1; + uint16_t vid; if (link_local_gid(&attr->grh.dgid)) { memcpy(ah->mac, &attr->grh.dgid.raw[8], 3); memcpy(ah->mac + 3, &attr->grh.dgid.raw[13], 3); ah->mac[0] ^= 2; + + vid = get_vlan_id(&attr->grh.dgid); + if (vid != 0xffff) { + ah->av.port_pd |= htonl(1 << 29); + ah->vlan = vid | ((attr->sl & 7) << 13); + } return 0; } else return 1; @@ -78,7 +78,7 @@ struct mlx4_wqe_datagram_seg { uint32_t av[8]; uint32_t dqpn; uint32_t qkey; - uint16_t reserved; + uint16_t vlan; uint8_t mac[6]; }; |