From c68644ef16103a2462c34e0691343d8985466eab Mon Sep 17 00:00:00 2001 From: Raju Rangoju Date: Tue, 20 Mar 2018 15:41:40 +0530 Subject: 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 Reviewed-by: Steve Wise Signed-off-by: Ganesh Goudar Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 20 ++++++++++++++++++++ drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h | 1 + 2 files changed, 21 insertions(+) (limited to 'drivers/net/ethernet/chelsio') diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 72ec3f7..3ce4964 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 788146c..96a69bd 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; -- cgit v1.1