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authorRahul Lakkireddy <rahul.lakkireddy@chelsio.com>2019-11-07 21:29:05 +0530
committerDavid S. Miller <davem@davemloft.net>2019-11-07 10:41:59 -0800
commit76c3a552e80ea47b7a9e4ba3f6e6af9659b23e7f (patch)
treee697c6a5afa2b07b81f858df665aa6b869908575 /drivers/net/ethernet/chelsio/cxgb4/sge.c
parentcxgb4: query firmware for QoS offload resources (diff)
downloadlinux-dev-76c3a552e80ea47b7a9e4ba3f6e6af9659b23e7f.tar.xz
linux-dev-76c3a552e80ea47b7a9e4ba3f6e6af9659b23e7f.zip
cxgb4: rework queue config and MSI-X allocation
Simplify queue configuration and MSI-X allocation logic. Use a single MSI-X information table for both NIC and ULDs. Remove hard-coded MSI-X indices for firmware event queue and non data interrupts. Instead, use the MSI-X bitmap to obtain a free MSI-X index dynamically. Save each Rxq's index into the MSI-X information table, within the Rxq structures themselves, for easier cleanup. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/sge.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index 928bfea5457b..82d8e13fc7d2 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -4060,6 +4060,10 @@ void t4_free_sge_resources(struct adapter *adap)
if (eq->rspq.desc)
free_rspq_fl(adap, &eq->rspq,
eq->fl.size ? &eq->fl : NULL);
+ if (eq->msix) {
+ cxgb4_free_msix_idx_in_bmap(adap, eq->msix->idx);
+ eq->msix = NULL;
+ }
etq = &adap->sge.ethtxq[i];
if (etq->q.desc) {
@@ -4086,8 +4090,15 @@ void t4_free_sge_resources(struct adapter *adap)
}
}
- if (adap->sge.fw_evtq.desc)
+ if (adap->sge.fw_evtq.desc) {
free_rspq_fl(adap, &adap->sge.fw_evtq, NULL);
+ if (adap->sge.fwevtq_msix_idx >= 0)
+ cxgb4_free_msix_idx_in_bmap(adap,
+ adap->sge.fwevtq_msix_idx);
+ }
+
+ if (adap->sge.nd_msix_idx >= 0)
+ cxgb4_free_msix_idx_in_bmap(adap, adap->sge.nd_msix_idx);
if (adap->sge.intrq.desc)
free_rspq_fl(adap, &adap->sge.intrq, NULL);