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