From e9ee8ed549fbc02527356c3c82cec23434fc2f56 Mon Sep 17 00:00:00 2001
From: Danielle Ratson <danieller@mellanox.com>
Date: Wed, 10 Feb 2021 15:48:37 +0200
Subject: [PATCH 39/42] netlink: settings: Add netlink support for lanes
parameter
Add support for "ethtool -s <dev> lanes N ..." for setting a specific
number of lanes.
Signed-off-by: Danielle Ratson <danieller@mellanox.com>
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
(cherry picked from commit 107ee330ec7bf83e8c3938375f3466bc8e102b93)
---
ethtool.c | 1 +
netlink/desc-ethtool.c | 1 +
netlink/settings.c | 7 +++++++
3 files changed, 9 insertions(+)
diff --git a/ethtool.c b/ethtool.c
index f5fbb01e553a..61f136c5bf2c 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -5568,6 +5568,7 @@ static const struct option args[] = {
.nlfunc = nl_sset,
.help = "Change generic options",
.xhelp = " [ speed %d ]\n"
+ " [ lanes %d ]\n"
" [ duplex half|full ]\n"
" [ port tp|aui|bnc|mii|fibre|da ]\n"
" [ mdix auto|on|off ]\n"
diff --git a/netlink/desc-ethtool.c b/netlink/desc-ethtool.c
index 8dd4a91ad0d7..c8447ce33f4d 100644
--- a/netlink/desc-ethtool.c
+++ b/netlink/desc-ethtool.c
@@ -87,6 +87,7 @@ static const struct pretty_nla_desc __linkmodes_desc[] = {
NLATTR_DESC_U8(ETHTOOL_A_LINKMODES_DUPLEX),
NLATTR_DESC_U8(ETHTOOL_A_LINKMODES_MASTER_SLAVE_CFG),
NLATTR_DESC_U8(ETHTOOL_A_LINKMODES_MASTER_SLAVE_STATE),
+ NLATTR_DESC_U32(ETHTOOL_A_LINKMODES_LANES),
};
static const struct pretty_nla_desc __linkstate_desc[] = {
diff --git a/netlink/settings.c b/netlink/settings.c
index 01c1d38d323f..37222db5c833 100644
--- a/netlink/settings.c
+++ b/netlink/settings.c
@@ -1065,6 +1065,13 @@ static const struct param_parser sset_params[] = {
.handler = nl_parse_direct_u32,
.min_argc = 1,
},
+ {
+ .arg = "lanes",
+ .group = ETHTOOL_MSG_LINKMODES_SET,
+ .type = ETHTOOL_A_LINKMODES_LANES,
+ .handler = nl_parse_direct_u32,
+ .min_argc = 1,
+ },
{
.arg = "duplex",
.group = ETHTOOL_MSG_LINKMODES_SET,
--
2.31.1