From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Aya Levin <ayal@mellanox.com>,
Saeed Mahameed <saeedm@mellanox.com>,
Sasha Levin <sashal@kernel.org>,
netdev@vger.kernel.org, linux-rdma@vger.kernel.org
Subject: [PATCH AUTOSEL 5.5 006/106] net/mlx5e: Enforce setting of a single FEC mode
Date: Wed, 15 Apr 2020 07:40:46 -0400 [thread overview]
Message-ID: <20200415114226.13103-6-sashal@kernel.org> (raw)
In-Reply-To: <20200415114226.13103-1-sashal@kernel.org>
From: Aya Levin <ayal@mellanox.com>
[ Upstream commit 4bd9d5070b92da012f2715cf8e4859acb78b8f35 ]
Ethtool command allow setting of several FEC modes in a single set
command. The driver can only set a single FEC mode at a time. With this
patch driver will reply not-supported on setting several FEC modes.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index c6776f308d5e6..ce63f9bd10fa8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1554,6 +1554,10 @@ static int mlx5e_set_fecparam(struct net_device *netdev,
int mode;
int err;
+ if (bitmap_weight((unsigned long *)&fecparam->fec,
+ ETHTOOL_FEC_BASER_BIT + 1) > 1)
+ return -EOPNOTSUPP;
+
for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) {
if (!(pplm_fec_2_ethtool[mode] & fecparam->fec))
continue;
--
2.20.1
next parent reply other threads:[~2020-04-15 12:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200415114226.13103-1-sashal@kernel.org>
2020-04-15 11:40 ` Sasha Levin [this message]
2020-04-18 19:52 ` [PATCH AUTOSEL 5.5 006/106] net/mlx5e: Enforce setting of a single FEC mode Or Gerlitz
2020-04-18 21:20 ` Sasha Levin
2020-04-19 9:05 ` Or Gerlitz
2020-04-15 11:40 ` [PATCH AUTOSEL 5.5 009/106] bpf: Reliably preserve btf_trace_xxx types Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 055/106] net: phy: at803x: fix clock sink configuration on ATH8030 and ATH8035 Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 056/106] cxgb4: fix MPS index overwrite when setting MAC address Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 057/106] slcan: Don't transmit uninitialized stack data in padding Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 058/106] net: qualcomm: rmnet: Allow configuration updates to existing devices Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 060/106] net: stmmac: dwmac1000: fix out-of-bounds mac address reg setting Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 061/106] net: dsa: mt7530: fix null pointer dereferencing in port5 setup Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 062/106] tun: Don't put_page() for all negative return values from XDP program Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 063/106] mlxsw: spectrum_flower: Do not stop at FLOW_ACTION_VLAN_MANGLE Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 064/106] net: dsa: bcm_sf2: Do not register slave MDIO bus with OF Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 074/106] net: dsa: bcm_sf2: Ensure correct sub-node is parsed Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 076/106] net: phy: micrel: kszphy_resume(): add delay after genphy_resume() before accessing PHY registers Sasha Levin
2020-04-15 11:41 ` [PATCH AUTOSEL 5.5 078/106] net: stmmac: xgmac: Fix VLAN register handling Sasha Levin
2020-04-15 11:42 ` [PATCH AUTOSEL 5.5 080/106] cxgb4: free MQPRIO resources in shutdown path Sasha Levin
2020-04-15 11:42 ` [PATCH AUTOSEL 5.5 090/106] SUNRPC: fix krb5p mount to provide large enough buffer in rq_rcvsize Sasha Levin
2020-04-15 11:42 ` [PATCH AUTOSEL 5.5 098/106] sunrpc: Fix gss_unwrap_resp_integ() again Sasha Levin
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