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authorMichael Chan <michael.chan@broadcom.com>2018-12-17 02:46:27 +0300
committerDavid S. Miller <davem@davemloft.net>2018-12-18 10:08:53 +0300
commit24654f095ed68eafcdfdbfccbe6324ad1475c1bb (patch)
tree8010f47bde35d6db4fc2a8a5ade3aac5492401da /drivers/net/ethernet/broadcom
parente37fed790335631c57477e7bee952a039ccb7a50 (diff)
downloadlinux-24654f095ed68eafcdfdbfccbe6324ad1475c1bb.tar.xz
bnxt_en: Don't set ETS on unused TCs.
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>
Diffstat (limited to 'drivers/net/ethernet/broadcom')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c
index a85d2be986af..15c7041e937b 100644
--- 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 *bp, struct ieee_ets *ets, u8 *tc)
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;
}