diff options
| author |   Damjan Marion <damarion@cisco.com> | 2023-11-06 00:05:57 +0000 |
|---|---|---|
| committer |   Dave Wallace <dwallacelf@gmail.com> | 2023-11-09 19:56:35 +0000 |
| commit | 67f03ba71dd050c41c3b98896e9a2446c2e8c48c (patch) | |
| tree | 2588019b5e3214481e9619a594f76a12f5f96ad0 /src/plugins/dev_iavf/iavf.c | |
| parent | 14bfd3d8b81f91caacd572ad426638e5375d2eb3 (diff) | |
iavf: interrupt mode support
Type: improvement
Change-Id: Ie5fcaa706ab0995e0021cf1ee74b95c5a3b30283
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/plugins/dev_iavf/iavf.c')
| -rw-r--r-- | src/plugins/dev_iavf/iavf.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/plugins/dev_iavf/iavf.c b/src/plugins/dev_iavf/iavf.c index a8b108c92b7..f45bea0e669 100644 --- a/src/plugins/dev_iavf/iavf.c +++ b/src/plugins/dev_iavf/iavf.c @@ -98,7 +98,7 @@ iavf_reset (vlib_main_t *vm, vnet_dev_t *dev) return VNET_DEV_ERR_TIMEOUT; vlib_process_suspend (vm, 0.02); } - while ((iavf_reg_read (ad, VFGEN_RSTAT) & 3) != 2); + while ((iavf_reg_read (ad, IAVF_VFGEN_RSTAT) & 3) != 2); iavf_aq_init (vm, dev); iavf_aq_poll_on (vm, dev); @@ -118,6 +118,7 @@ iavf_init (vlib_main_t *vm, vnet_dev_t *dev) iavf_device_t *ad = vnet_dev_get_data (dev); virtchnl_version_info_t ver; virtchnl_vf_resource_t res; + u32 n_threads = vlib_get_n_threads (); vnet_dev_rv_t rv; log_debug (dev, "init"); @@ -209,13 +210,20 @@ iavf_init (vlib_main_t *vm, vnet_dev_t *dev) log_info (dev, "MAC address is %U", format_ethernet_address, res.vsi_res[0].default_mac_addr); - if (vlib_get_n_threads () <= vnet_dev_get_pci_n_msix_interrupts (dev) - 1) - port_add_args.port.attr.caps.interrupt_mode = 1; + if (n_threads <= vnet_dev_get_pci_n_msix_interrupts (dev) - 1) + { + port_add_args.port.attr.caps.interrupt_mode = 1; + iavf_port.n_rx_vectors = n_threads; + } else - log_notice (dev, - "number of threads (%u) bigger than number of interrupt lines " - "(%u), interrupt mode disabled", - vlib_get_n_threads (), res.max_vectors); + { + log_notice ( + dev, + "number of threads (%u) bigger than number of interrupt lines " + "(%u), interrupt mode disabled", + vlib_get_n_threads (), res.max_vectors); + iavf_port.n_rx_vectors = 1; + } if (res.vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) { |