[dpdk-dev] [PATCH 2/3] net/enic: fix speed capabilities for the new VF
Hyong Youb Kim
hyonkim at cisco.com
Thu Oct 31 06:36:22 CET 2019
VFs all have subsystem ID 0. VIC models with the latest VF are at
least 40G, so report that as a more reasonable speed than 10G.
Fixes: 57bb45b37bdf ("net/enic: add PCI id for new virtual function")
Signed-off-by: Hyong Youb Kim <hyonkim at cisco.com>
Reviewed-by: John Daley <johndale at cisco.com>
---
drivers/net/enic/enic_ethdev.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/net/enic/enic_ethdev.c b/drivers/net/enic/enic_ethdev.c
index 12c59a3c5..8ad976d3c 100644
--- a/drivers/net/enic/enic_ethdev.c
+++ b/drivers/net/enic/enic_ethdev.c
@@ -507,6 +507,12 @@ static uint32_t speed_capa_from_pci_id(struct rte_eth_dev *eth_dev)
/* 1300 and later models are at least 40G */
if (id >= 0x0100)
return ETH_LINK_SPEED_40G;
+ /* VFs have subsystem id 0, check device id */
+ if (id == 0) {
+ /* Newer VF implies at least 40G model */
+ if (pdev->id.device_id == PCI_DEVICE_ID_CISCO_VIC_ENET_SN)
+ return ETH_LINK_SPEED_40G;
+ }
return ETH_LINK_SPEED_10G;
}
--
2.22.0
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