From: Danielle Ratson <daniel...@mellanox.com>
Add support for "ethtool -s <dev> lanes N ..." for setting a specific
number of lanes.
Signed-off-by: Danielle Ratson <daniel...@mellanox.com>
---
Notes:
v3:
* Remove a leftover.
* After adding a seperated patch for uapi headers, squash rest of
the first patch.
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 fb90e9e..a8339c8 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -5620,6 +5620,7 @@ 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 96291b9..fe5d7ba 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 90c28b1..c54fe56 100644
--- a/netlink/settings.c
+++ b/netlink/settings.c
@@ -1067,6 +1067,13 @@ 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,
--
2.26.2
