diff options
| author | Minh Tran <minhduc.tran@emulex.com> | 2014-12-07 16:09:52 +0200 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2014-12-15 18:11:44 -0800 |
| commit | f4641ef701d41929e0674f114e47a6824761e5b1 (patch) | |
| tree | 212c1b711ea636ccc736cf44a2c00d411e42aede /drivers/infiniband/ulp/iser/iscsi_iser.c | |
| parent | 70e71ca0af244f48a5dcf56dc435243792e3a495 (diff) | |
| download | blackbird-op-linux-f4641ef701d41929e0674f114e47a6824761e5b1.tar.gz blackbird-op-linux-f4641ef701d41929e0674f114e47a6824761e5b1.zip | |
IB/iser: Re-adjust CQ and QP send ring sizes to HW limits
Re-adjust max CQEs per CQ and max send_wr per QP according
to the resource limits supported by underlying hardware.
Signed-off-by: Minh Tran <minhduc.tran@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Acked-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.c')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 20ca6a619476..46028151a904 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -569,6 +569,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, struct Scsi_Host *shost; struct iser_conn *iser_conn = NULL; struct ib_conn *ib_conn; + u16 max_cmds; shost = iscsi_host_alloc(&iscsi_iser_sht, 0, 0); if (!shost) @@ -586,6 +587,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, */ if (ep) { iser_conn = ep->dd_data; + max_cmds = iser_conn->max_cmds; ib_conn = &iser_conn->ib_conn; if (ib_conn->pi_support) { u32 sig_caps = ib_conn->device->dev_attr.sig_prot_cap; @@ -596,16 +598,18 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep, else scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); } + } else { + max_cmds = ISER_DEF_XMIT_CMDS_MAX; } if (iscsi_host_add(shost, ep ? ib_conn->device->ib_device->dma_device : NULL)) goto free_host; - if (cmds_max > ISER_DEF_XMIT_CMDS_MAX) { + if (cmds_max > max_cmds) { iser_info("cmds_max changed from %u to %u\n", - cmds_max, ISER_DEF_XMIT_CMDS_MAX); - cmds_max = ISER_DEF_XMIT_CMDS_MAX; + cmds_max, max_cmds); + cmds_max = max_cmds; } cls_session = iscsi_session_setup(&iscsi_iser_transport, shost, |
