Commit b8f090d0 authored by Ido Schimmel's avatar Ido Schimmel Committed by David S. Miller
Browse files

nexthop: Add data structures for resilient group notifications 



Add data structures that will be used for in-kernel notifications about
addition / deletion of a resilient nexthop group and about changes to a
hash bucket within a resilient group.

Signed-off-by: default avatarIdo Schimmel <idosch@nvidia.com>
Reviewed-by: default avatarPetr Machata <petrm@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 283a72a5

include/net/nexthop.h

+19 −0
Original line number Diff line number Diff line
@@ -155,11 +155,15 @@ struct nexthop { 
enum nexthop_event_type {

	NEXTHOP_EVENT_DEL,

	NEXTHOP_EVENT_REPLACE,

	NEXTHOP_EVENT_RES_TABLE_PRE_REPLACE,

	NEXTHOP_EVENT_BUCKET_REPLACE,

};



enum nh_notifier_info_type {

	NH_NOTIFIER_INFO_TYPE_SINGLE,

	NH_NOTIFIER_INFO_TYPE_GRP,

	NH_NOTIFIER_INFO_TYPE_RES_TABLE,

	NH_NOTIFIER_INFO_TYPE_RES_BUCKET,

};



struct nh_notifier_single_info {
@@ -186,6 +190,19 @@ struct nh_notifier_grp_info { 
	struct nh_notifier_grp_entry_info nh_entries[];

};



struct nh_notifier_res_bucket_info {

	u16 bucket_index;

	unsigned int idle_timer_ms;

	bool force;

	struct nh_notifier_single_info old_nh;

	struct nh_notifier_single_info new_nh;

};



struct nh_notifier_res_table_info {

	u16 num_nh_buckets;

	struct nh_notifier_single_info nhs[];

};



struct nh_notifier_info {

	struct net *net;

	struct netlink_ext_ack *extack;
@@ -194,6 +211,8 @@ struct nh_notifier_info { 
	union {

		struct nh_notifier_single_info *nh;

		struct nh_notifier_grp_info *nh_grp;

		struct nh_notifier_res_table_info *nh_res_table;

		struct nh_notifier_res_bucket_info *nh_res_bucket;

	};

};