diff options
| author |   Nirranjan Kirubaharan <nirranjan@chelsio.com> | 2019-06-07 04:56:45 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-06-09 13:30:39 -0700 |
| commit | c976507441eebdfe65d21f3bfc76c8114f5ab980 (patch) | |
| tree | 8161a7c79c7a2a75021a4e5a44318ace7a32cd09 /drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c | |
| parent | Merge branch 'hns3-next' (diff) | |
| download | linux-dev-c976507441eebdfe65d21f3bfc76c8114f5ab980.tar.xz linux-dev-c976507441eebdfe65d21f3bfc76c8114f5ab980.zip | |
cxgb4: Set initial IRQ affinity hints
Spread initial IRQ affinity hints across the device node CPUs,
for nic queue and uld queue IRQs, to load balance and avoid
all interrupts on CPU0.
Signed-off-by: Nirranjan Kirubaharan <nirranjan@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c index 6c685b920713..5b602243d573 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c @@ -352,25 +352,32 @@ static int request_msix_queue_irqs_uld(struct adapter *adap, unsigned int uld_type) { struct sge_uld_rxq_info *rxq_info = adap->sge.uld_rxq_info[uld_type]; + struct uld_msix_info *minfo; int err = 0; unsigned int idx, bmap_idx; for_each_uldrxq(rxq_info, idx) { bmap_idx = rxq_info->msix_tbl[idx]; - err = request_irq(adap->msix_info_ulds[bmap_idx].vec, + minfo = &adap->msix_info_ulds[bmap_idx]; + err = request_irq(minfo->vec, t4_sge_intr_msix, 0, - adap->msix_info_ulds[bmap_idx].desc, + minfo->desc, &rxq_info->uldrxq[idx].rspq); if (err) goto unwind; + + cxgb4_set_msix_aff(adap, minfo->vec, + &minfo->aff_mask, idx); } return 0; + unwind: while (idx-- > 0) { bmap_idx = rxq_info->msix_tbl[idx]; + minfo = &adap->msix_info_ulds[bmap_idx]; + cxgb4_clear_msix_aff(minfo->vec, minfo->aff_mask); free_msix_idx_in_bmap(adap, bmap_idx); - free_irq(adap->msix_info_ulds[bmap_idx].vec, - &rxq_info->uldrxq[idx].rspq); + free_irq(minfo->vec, &rxq_info->uldrxq[idx].rspq); } return err; } @@ -379,14 +386,16 @@ static void free_msix_queue_irqs_uld(struct adapter *adap, unsigned int uld_type) { struct sge_uld_rxq_info *rxq_info = adap->sge.uld_rxq_info[uld_type]; + struct uld_msix_info *minfo; unsigned int idx, bmap_idx; for_each_uldrxq(rxq_info, idx) { bmap_idx = rxq_info->msix_tbl[idx]; + minfo = &adap->msix_info_ulds[bmap_idx]; + cxgb4_clear_msix_aff(minfo->vec, minfo->aff_mask); free_msix_idx_in_bmap(adap, bmap_idx); - free_irq(adap->msix_info_ulds[bmap_idx].vec, - &rxq_info->uldrxq[idx].rspq); + free_irq(minfo->vec, &rxq_info->uldrxq[idx].rspq); } } |