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.h | |
| parent | 70e71ca0af244f48a5dcf56dc435243792e3a495 (diff) | |
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.h')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index cd4174ca9a76..44d64b74c365 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -144,6 +144,11 @@ ISER_MAX_TX_MISC_PDUS + \ ISER_MAX_RX_MISC_PDUS) +#define ISER_GET_MAX_XMIT_CMDS(send_wr) ((send_wr \ + - ISER_MAX_TX_MISC_PDUS \ + - ISER_MAX_RX_MISC_PDUS) / \ + (1 + ISER_INFLIGHT_DATAOUTS)) + #define ISER_WC_BATCH_COUNT 16 #define ISER_SIGNAL_CMD_COUNT 32 @@ -482,6 +487,7 @@ struct ib_conn { * to max number of post recvs * @qp_max_recv_dtos_mask: (qp_max_recv_dtos - 1) * @min_posted_rx: (qp_max_recv_dtos >> 2) + * @max_cmds: maximum cmds allowed for this connection * @name: connection peer portal * @release_work: deffered work for release job * @state_mutex: protects iser onnection state @@ -507,6 +513,7 @@ struct iser_conn { unsigned qp_max_recv_dtos; unsigned qp_max_recv_dtos_mask; unsigned min_posted_rx; + u16 max_cmds; char name[ISER_OBJECT_NAME_SIZE]; struct work_struct release_work; struct mutex state_mutex; |