Commit 5877786f authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

net: nexthop: Add hardware statistics notifications 



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: default avatarIdo Schimmel <idosch@nvidia.com>
Reviewed-by: default avatarDavid Ahern <dsahern@kernel.org>
Signed-off-by: default avatarPetr Machata <petrm@nvidia.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 95fedd76

include/net/nexthop.h

+3 −0
Original line number Diff line number Diff line
@@ -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);

};

net/ipv4/nexthop.c

+2 −0
Original line number Diff line number Diff line
@@ -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];