diff options
author | Yuval Mintz <Yuval.Mintz@qlogic.com> | 2015-10-08 16:19:01 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2015-10-11 05:09:30 -0700 |
commit | f9468e8dc87e31f807fae04aae70380a461b95c6 (patch) | |
tree | 87ef9a643a53c5b52dd7d720616df06d7985d446 | |
parent | 5edc11ab878a78eae45fb22a59a9a5554e305067 (diff) | |
download | op-kernel-dev-f9468e8dc87e31f807fae04aae70380a461b95c6.zip op-kernel-dev-f9468e8dc87e31f807fae04aae70380a461b95c6.tar.gz |
bnx2x: Prevent UDP 4-tuple configurations on older adapters
Configuring 4-tuple RSS hsahing for UDP
[E.g., by using `ethtool -N <interface> rx-flow-hash udp4 sdfn']
on a 57710/57711 adapter would cause it to assert as HW does not
support such a configuration.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index aeb7ce6..be628bd 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -3351,6 +3351,13 @@ static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info) udp_rss_requested = 0; else return -EINVAL; + + if (CHIP_IS_E1x(bp) && udp_rss_requested) { + DP(BNX2X_MSG_ETHTOOL, + "57710, 57711 boards don't support RSS according to UDP 4-tuple\n"); + return -EINVAL; + } + if ((info->flow_type == UDP_V4_FLOW) && (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) { bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested; |