diff mbox series

[2/3] net/enic: fix speed capabilities for the new VF

Message ID 20191031053623.16185-3-hyonkim@cisco.com (mailing list archive)
State Accepted, archived
Delegated to: Ferruh Yigit
Headers
Series net/enic: fixes for cosmetic issues |

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Hyong Youb Kim (hyonkim) Oct. 31, 2019, 5:36 a.m. UTC 
  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@cisco.com>
Reviewed-by: John Daley <johndale@cisco.com>
---
 drivers/net/enic/enic_ethdev.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

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;
 }