From 620cc08cb52bfe54049e69c56c7d75ba7b67ce26 Mon Sep 17 00:00:00 2001
From: Jonathan Toppins <jtoppins@redhat.com>
Date: Wed, 2 Oct 2019 18:22:42 -0400
Subject: [PATCH 27/96] [netdrv] bnxt_en: Device serial number is supported
only for PFs
Message-id: <42a558146846b42a704f96b91b13e688f5533fb9.1570027456.git.jtoppins@redhat.com>
Patchwork-id: 276442
O-Subject: [RHEL-8.2 PATCH 20/78] bnxt_en: Device serial number is supported only for PFs.
Bugzilla: 1724766
RH-Acked-by: John Linville <linville@redhat.com>
RH-Acked-by: Jarod Wilson <jarod@redhat.com>
Don't read DSN on VFs that do not have the PCI capability.
Fixes: 03213a996531 ("bnxt: move bp->switch_id initialization to PF probe")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 2e9217d1e8b72dde2c7e3e2338cc1830f68cb58d)
Bugzilla: 1724766
Build Info: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=23809532
Tested: build, boot, basic ping
Signed-off-by: Jonathan Toppins <jtoppins@redhat.com>
Signed-off-by: Bruno Meneguele <bmeneg@redhat.com>
---
drivers/net/ethernet/broadcom/bnxt/bnxt.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
Index: src/drivers/net/ethernet/broadcom/bnxt/bnxt.c
===================================================================
--- src.orig/drivers/net/ethernet/broadcom/bnxt/bnxt.c 2020-02-06 16:23:13.805530638 +0100
+++ src/drivers/net/ethernet/broadcom/bnxt/bnxt.c 2020-02-06 16:23:13.941529390 +0100
@@ -10744,11 +10744,12 @@
goto init_err_pci_clean;
}
- /* Read the adapter's DSN to use as the eswitch switch_id */
- rc = bnxt_pcie_dsn_get(bp, bp->switch_id);
- if (rc)
- goto init_err_pci_clean;
-
+ if (BNXT_PF(bp)) {
+ /* Read the adapter's DSN to use as the eswitch switch_id */
+ rc = bnxt_pcie_dsn_get(bp, bp->switch_id);
+ if (rc)
+ goto init_err_pci_clean;
+ }
bnxt_hwrm_func_qcfg(bp);
bnxt_hwrm_vnic_qcaps(bp);
bnxt_hwrm_port_led_qcaps(bp);