From: Michael Chan <michael.chan@broadcom.com>
Date: Sun, 16 Dec 2018 18:46:27 -0500
Subject: bnxt_en: Don't set ETS on unused TCs.
Patch-mainline: v5.0-rc1
Git-commit: 24654f095ed68eafcdfdbfccbe6324ad1475c1bb
References: bsc#1104745 FATE#325918
Currently, the code allows ETS bandwidth weight 0 to be set on unused TCs.
We should not set any DCB parameters on unused TCs at all.
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
@@ -471,7 +471,10 @@ static int bnxt_ets_validate(struct bnxt
if (total_ets_bw > 100)
return -EINVAL;
- *tc = max_tc + 1;
+ if (max_tc >= bp->max_tc)
+ *tc = bp->max_tc;
+ else
+ *tc = max_tc + 1;
return 0;
}