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net: nexthop: Add hardware statistics notifications

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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@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2024-03-06 13:49:19 +01:00 committed by David S. Miller
parent 95fedd7685
commit 5877786fcf
2 changed files with 5 additions and 0 deletions
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3
include/net/nexthop.h
View File

@ -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);
};

2
net/ipv4/nexthop.c
View File

@ -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];