diff options
| author | Raju Rangoju <rajur@chelsio.com> | 2018-03-20 15:41:40 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-22 11:59:11 -0400 |
| commit | c68644ef16103a2462c34e0691343d8985466eab (patch) | |
| tree | f7117bdb30a02f4b823c3d9c9adbb67912842963 /drivers/net | |
| parent | e47094751ddc117c686c399af9810d57367922c9 (diff) | |
| download | linux-stable-c68644ef16103a2462c34e0691343d8985466eab.tar.gz linux-stable-c68644ef16103a2462c34e0691343d8985466eab.tar.bz2 linux-stable-c68644ef16103a2462c34e0691343d8985466eab.zip | |
cxgb4: Add support to query HW SRQ parameters
This patch adds support to query FW for the HW SRQ table start/end, and
advertise that for ULDs.
Signed-off-by: Raju Rangoju <rajur@chelsio.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 20 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h | 1 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 72ec3f7dccbb..3ce496494f3c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -75,6 +75,7 @@ #include "t4fw_api.h" #include "t4fw_version.h" #include "cxgb4_dcb.h" +#include "srq.h" #include "cxgb4_debugfs.h" #include "clip_tbl.h" #include "l2t.h" @@ -586,6 +587,10 @@ static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp, const struct cpl_abort_rpl_rss *p = (void *)rsp; hash_del_filter_rpl(q->adap, p); + } else if (opcode == CPL_SRQ_TABLE_RPL) { + const struct cpl_srq_table_rpl *p = (void *)rsp; + + do_srq_table_rpl(q->adap, p); } else dev_err(q->adap->pdev_dev, "unexpected CPL %#x on FW event queue\n", opcode); @@ -4467,6 +4472,20 @@ static int adap_init0(struct adapter *adap) adap->vres.pbl.start = val[4]; adap->vres.pbl.size = val[5] - val[4] + 1; + params[0] = FW_PARAM_PFVF(SRQ_START); + params[1] = FW_PARAM_PFVF(SRQ_END); + ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2, + params, val); + if (!ret) { + adap->vres.srq.start = val[0]; + adap->vres.srq.size = val[1] - val[0] + 1; + } + if (adap->vres.srq.size) { + adap->srq = t4_init_srq(adap->vres.srq.size); + if (!adap->srq) + dev_warn(&adap->pdev->dev, "could not allocate SRQ, continuing\n"); + } + params[0] = FW_PARAM_PFVF(SQRQ_START); params[1] = FW_PARAM_PFVF(SQRQ_END); params[2] = FW_PARAM_PFVF(CQ_START); @@ -5135,6 +5154,7 @@ static void free_some_resources(struct adapter *adapter) kvfree(adapter->smt); kvfree(adapter->l2t); + kvfree(adapter->srq); t4_cleanup_sched(adapter); kvfree(adapter->tids.tid_tab); cxgb4_cleanup_tc_flower(adapter); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h index 788146c08151..96a69bdacb4c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h @@ -284,6 +284,7 @@ struct cxgb4_virt_res { /* virtualized HW resources */ struct cxgb4_range iscsi; struct cxgb4_range stag; struct cxgb4_range rq; + struct cxgb4_range srq; struct cxgb4_range pbl; struct cxgb4_range qp; struct cxgb4_range cq; |