[PATCH net-next v4 5/7] net: nexthop: Add hardware statistics notifications
From: Petr Machata <petrm@nvidia.com>
Date: 2024-03-06 12:50:53
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
From: Ido Schimmel <idosch@nvidia.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@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Signed-off-by: Petr Machata <petrm@nvidia.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 3365c41eee9a..c0d14e16e9c8 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