| Message ID | 20210329134013.9516-2-boon.leong.ong@intel.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | stmmac: Add XDP support | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Clearly marked for net-next |
| netdev/subject_prefix | success | Link |
| netdev/cc_maintainers | success | CCed 18 of 18 maintainers |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 25 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
| netdev/header_inline | success | Link |
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c index 08b4852eed4c..53a24932a192 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c @@ -810,6 +810,7 @@ static int stmmac_config_multi_msi(struct pci_dev *pdev, struct plat_stmmacenet_data *plat, struct stmmac_resources *res) { + cpumask_t cpu_mask; int ret; int i; @@ -832,12 +833,18 @@ static int stmmac_config_multi_msi(struct pci_dev *pdev, for (i = 0; i < plat->rx_queues_to_use; i++) { res->rx_irq[i] = pci_irq_vector(pdev, plat->msi_rx_base_vec + i * 2); + cpumask_clear(&cpu_mask); + cpumask_set_cpu(i % num_online_cpus(), &cpu_mask); + irq_set_affinity_hint(res->rx_irq[i], &cpu_mask); } /* For TX MSI */ for (i = 0; i < plat->tx_queues_to_use; i++) { res->tx_irq[i] = pci_irq_vector(pdev, plat->msi_tx_base_vec + i * 2); + cpumask_clear(&cpu_mask); + cpumask_set_cpu(i % num_online_cpus(), &cpu_mask); + irq_set_affinity_hint(res->tx_irq[i], &cpu_mask); } if (plat->msi_mac_vec < STMMAC_MSI_VEC_MAX)
Intel mGBE has independent hardware IRQ resources for TX and RX DMA operation. In preparation to support XDP TX, we add IRQ affinity hint to group both RX and TX queue of the same queue ID to the same CPU. Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com> --- drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c | 7 +++++++ 1 file changed, 7 insertions(+)