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Message-ID: <c290f6ec434bf940c3cbeac7e0c43ec7b271608c.1709560395.git.petrm@nvidia.com>
Date: Mon, 4 Mar 2024 21:51:18 +0100
From: Petr Machata <petrm@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Eric Dumazet
<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
<pabeni@...hat.com>, <netdev@...r.kernel.org>
CC: Ido Schimmel <idosch@...dia.com>, Petr Machata <petrm@...dia.com>, "David
Ahern" <dsahern@...nel.org>, Simon Horman <horms@...nel.org>,
<mlxsw@...dia.com>
Subject: [PATCH net-next v3 5/7] net: nexthop: Add hardware statistics notifications
From: Ido Schimmel <idosch@...dia.com>
Add hw_stats field to several notifier structures to communicate to the
drivers that HW statistics should be configured for nexthops within a given
group.
Signed-off-by: Ido Schimmel <idosch@...dia.com>
Reviewed-by: David Ahern <dsahern@...nel.org>
Signed-off-by: Petr Machata <petrm@...dia.com>
---
include/net/nexthop.h | 3 +++
net/ipv4/nexthop.c | 2 ++
2 files changed, 5 insertions(+)
diff --git a/include/net/nexthop.h b/include/net/nexthop.h
index 6e6a36fee51e..584c37120c20 100644
--- a/include/net/nexthop.h
+++ b/include/net/nexthop.h
@@ -130,6 +130,7 @@ struct nh_group {
bool resilient;
bool fdb_nh;
bool has_v4;
+ bool hw_stats;
struct nh_res_table __rcu *res_table;
struct nh_grp_entry nh_entries[] __counted_by(num_nh);
@@ -193,6 +194,7 @@ struct nh_notifier_grp_entry_info {
struct nh_notifier_grp_info {
u16 num_nh;
bool is_fdb;
+ bool hw_stats;
struct nh_notifier_grp_entry_info nh_entries[] __counted_by(num_nh);
};
@@ -206,6 +208,7 @@ struct nh_notifier_res_bucket_info {
struct nh_notifier_res_table_info {
u16 num_nh_buckets;
+ bool hw_stats;
struct nh_notifier_single_info nhs[] __counted_by(num_nh_buckets);
};
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index 68ba60a1bad9..22efb7d11179 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -141,6 +141,7 @@ static int nh_notifier_mpath_info_init(struct nh_notifier_info *info,
info->nh_grp->num_nh = num_nh;
info->nh_grp->is_fdb = nhg->fdb_nh;
+ info->nh_grp->hw_stats = nhg->hw_stats;
for (i = 0; i < num_nh; i++) {
struct nh_grp_entry *nhge = &nhg->nh_entries[i];
@@ -172,6 +173,7 @@ static int nh_notifier_res_table_info_init(struct nh_notifier_info *info,
return -ENOMEM;
info->nh_res_table->num_nh_buckets = num_nh_buckets;
+ info->nh_res_table->hw_stats = nhg->hw_stats;
for (i = 0; i < num_nh_buckets; i++) {
struct nh_res_bucket *bucket = &res_table->nh_buckets[i];
--
2.43.0
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