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authorKory Maincent (Dent Project) <kory.maincent@bootlin.com>2025-06-17 14:12:07 +0200
committerJakub Kicinski <kuba@kernel.org>2025-06-18 19:00:17 -0700
commiteeb0c8f72f49a21984981188404cfd3700edbaff (patch)
tree798e47ab515ac3040575d054ea64b197f7944abd /net
parentnet: pse-pd: Add support for budget evaluation strategies (diff)
downloadlinux-eeb0c8f72f49a21984981188404cfd3700edbaff.tar.gz
linux-eeb0c8f72f49a21984981188404cfd3700edbaff.zip
net: ethtool: Add PSE port priority support feature
This patch expands the status information provided by ethtool for PSE c33 with current port priority and max port priority. It also adds a call to pse_ethtool_set_prio() to configure the PSE port priority. Signed-off-by: Kory Maincent (Dent Project) <kory.maincent@bootlin.com> Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://patch.msgid.link/20250617-feature_poe_port_prio-v14-8-78a1a645e2ee@bootlin.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/ethtool/pse-pd.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/ethtool/pse-pd.c b/net/ethtool/pse-pd.c
index 6a978a55959e..6c536dfe52da 100644
--- a/net/ethtool/pse-pd.c
+++ b/net/ethtool/pse-pd.c
@@ -111,6 +111,9 @@ static int pse_reply_size(const struct ethnl_req_info *req_base,
len += st->c33_pw_limit_nb_ranges *
(nla_total_size(0) +
nla_total_size(sizeof(u32)) * 2);
+ if (st->prio_max)
+ /* _PSE_PRIO_MAX + _PSE_PRIO */
+ len += nla_total_size(sizeof(u32)) * 2;
return len;
}
@@ -205,6 +208,11 @@ static int pse_fill_reply(struct sk_buff *skb,
pse_put_pw_limit_ranges(skb, st))
return -EMSGSIZE;
+ if (st->prio_max &&
+ (nla_put_u32(skb, ETHTOOL_A_PSE_PRIO_MAX, st->prio_max) ||
+ nla_put_u32(skb, ETHTOOL_A_PSE_PRIO, st->prio)))
+ return -EMSGSIZE;
+
return 0;
}
@@ -226,6 +234,7 @@ const struct nla_policy ethnl_pse_set_policy[ETHTOOL_A_PSE_MAX + 1] = {
NLA_POLICY_RANGE(NLA_U32, ETHTOOL_C33_PSE_ADMIN_STATE_DISABLED,
ETHTOOL_C33_PSE_ADMIN_STATE_ENABLED),
[ETHTOOL_A_C33_PSE_AVAIL_PW_LIMIT] = { .type = NLA_U32 },
+ [ETHTOOL_A_PSE_PRIO] = { .type = NLA_U32 },
};
static int
@@ -274,6 +283,15 @@ ethnl_set_pse(struct ethnl_req_info *req_info, struct genl_info *info)
if (ret)
return ret;
+ if (tb[ETHTOOL_A_PSE_PRIO]) {
+ unsigned int prio;
+
+ prio = nla_get_u32(tb[ETHTOOL_A_PSE_PRIO]);
+ ret = pse_ethtool_set_prio(phydev->psec, info->extack, prio);
+ if (ret)
+ return ret;
+ }
+
if (tb[ETHTOOL_A_C33_PSE_AVAIL_PW_LIMIT]) {
unsigned int pw_limit;