diff options
| author | Jack Morgenstein <jackm@dev.mellanox.co.il> | 2014-03-12 14:00:37 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-03-12 23:57:12 +0400 |
| commit | 6ee51a4e866bbb0921180b457ed16cd172859346 (patch) | |
| tree | c207c933969c0a492cc9806dec1e0c77dc0f4cf0 /drivers/infiniband/hw/mlx4/cm.c | |
| parent | 36f6fdb74997c3f456f1c6a9803c009c49a30053 (diff) | |
| download | linux-6ee51a4e866bbb0921180b457ed16cd172859346.tar.xz | |
mlx4: Adjust QP1 multiplexing for RoCE/SRIOV
This requires the following modifications:
1. Fix build_mlx4_header to properly fill in the ETH fields
2. Adjust mux and demux QP1 flow to support RoCE.
This commit still assumes only one GID per slave for RoCE.
The commit enabling multiple GIDs is a subsequent commit, and
is done separately because of its complexity.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/infiniband/hw/mlx4/cm.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/cm.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c index d1f5f1dd77b0..b8d911543783 100644 --- a/drivers/infiniband/hw/mlx4/cm.c +++ b/drivers/infiniband/hw/mlx4/cm.c @@ -315,7 +315,7 @@ int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id } int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, - struct ib_mad *mad) + struct ib_mad *mad) { u32 pv_cm_id; struct id_map_entry *id; @@ -323,6 +323,9 @@ int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, if (mad->mad_hdr.attr_id == CM_REQ_ATTR_ID) { union ib_gid gid; + if (!slave) + return 0; + gid = gid_from_req_msg(ibdev, mad); *slave = mlx4_ib_find_real_gid(ibdev, port, gid.global.interface_id); if (*slave < 0) { @@ -341,7 +344,8 @@ int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave, return -ENOENT; } - *slave = id->slave_id; + if (slave) + *slave = id->slave_id; set_remote_comm_id(mad, id->sl_cm_id); if (mad->mad_hdr.attr_id == CM_DREQ_ATTR_ID) |