netdev - [PATCHv2 net-next 03/10] net: bridge: add document for bridge sysfs attribute

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Date: Thu, 23 Nov 2023 21:45:46 +0800
From: Hangbin Liu <liuhangbin@...il.com>
To: netdev@...r.kernel.org
Cc: "David S . Miller" <davem@...emloft.net>,
	David Ahern <dsahern@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Ido Schimmel <idosch@...sch.org>,
	Nikolay Aleksandrov <razor@...ckwall.org>,
	Roopa Prabhu <roopa@...dia.com>,
	Stephen Hemminger <stephen@...workplumber.org>,
	Florian Westphal <fw@...len.de>,
	Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Vladimir Oltean <olteanv@...il.com>,
	Jiri Pirko <jiri@...nulli.us>,
	Marc Muehlfeld <mmuehlfe@...hat.com>,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCHv2 net-next 03/10] net: bridge: add document for bridge sysfs attribute

Although the sysfs interface is deprecated and should not be extended
if new options are added. There are still users and admins use this
interface to config bridge options. It would help users to know what
the meaning of each field. Add correspond netlink enums (as we have
document for them) for bridge sysfs attributes, so we can use it in
Documentation/networking/bridge.rst.

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 net/bridge/br_sysfs_br.c | 93 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)

diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index ea733542244c..bd9c9b2a7859 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -933,6 +933,99 @@ static ssize_t vlan_stats_per_port_store(struct device *d,
 static DEVICE_ATTR_RW(vlan_stats_per_port);
 #endif
 
+/**
+ * DOC: Bridge sysfs attributes
+ *
+ * @forward_delay: IFLA_BR_FORWARD_DELAY
+ *
+ * @hello_time: IFLA_BR_HELLO_TIME
+ *
+ * @max_age: IFLA_BR_MAX_AGE
+ *
+ * @ageing_time: IFLA_BR_AGEING_TIME
+ *
+ * @stp_state: IFLA_BR_STP_STATE
+ *
+ * @group_fwd_mask: IFLA_BR_GROUP_FWD_MASK
+ *
+ * @priority: IFLA_BR_PRIORITY
+ *
+ * @bridge_id: IFLA_BR_BRIDGE_ID
+ *
+ * @root_id: IFLA_BR_ROOT_ID
+ *
+ * @root_path_cost: IFLA_BR_ROOT_PATH_COST
+ *
+ * @root_port: IFLA_BR_ROOT_PORT
+ *
+ * @topology_change: IFLA_BR_TOPOLOGY_CHANGE
+ *
+ * @topology_change_detected: IFLA_BR_TOPOLOGY_CHANGE_DETECTED
+ *
+ * @hello_timer: IFLA_BR_HELLO_TIMER
+ *
+ * @tcn_timer: IFLA_BR_TCN_TIMER
+ *
+ * @topology_change_timer: IFLA_BR_TOPOLOGY_CHANGE_TIMER
+ *
+ * @gc_timer: IFLA_BR_GC_TIMER
+ *
+ * @group_addr: IFLA_BR_GROUP_ADDR
+ *
+ * @flush: IFLA_BR_FDB_FLUSH
+ *
+ * @no_linklocal_learn: BR_BOOLOPT_NO_LL_LEARN
+ *
+ * @multicast_router: IFLA_BR_MCAST_ROUTER
+ *
+ * @multicast_snooping: IFLA_BR_MCAST_SNOOPING
+ *
+ * @multicast_querier: IFLA_BR_MCAST_QUERIER
+ *
+ * @multicast_query_use_ifaddr: IFLA_BR_MCAST_QUERY_USE_IFADDR
+ *
+ * @hash_elasticity: IFLA_BR_MCAST_HASH_ELASTICITY
+ *
+ * @hash_max: IFLA_BR_MCAST_HASH_MAX
+ *
+ * @multicast_last_member_count: IFLA_BR_MCAST_LAST_MEMBER_CNT
+ *
+ * @multicast_startup_query_count: IFLA_BR_MCAST_STARTUP_QUERY_CNT
+ *
+ * @multicast_last_member_interval: IFLA_BR_MCAST_LAST_MEMBER_INTVL
+ *
+ * @multicast_membership_interval: IFLA_BR_MCAST_MEMBERSHIP_INTVL
+ *
+ * @multicast_querier_interval: IFLA_BR_MCAST_QUERIER_INTVL
+ *
+ * @multicast_query_interval: IFLA_BR_MCAST_QUERY_INTVL
+ *
+ * @multicast_query_response_interval: IFLA_BR_MCAST_QUERY_RESPONSE_INTVL
+ *
+ * @multicast_startup_query_interval: IFLA_BR_MCAST_STARTUP_QUERY_INTVL
+ *
+ * @multicast_stats_enabled: IFLA_BR_MCAST_STATS_ENABLED
+ *
+ * @multicast_igmp_version: IFLA_BR_MCAST_IGMP_VERSION
+ *
+ * @multicast_mld_version: IFLA_BR_MCAST_MLD_VERSION
+ *
+ * @nf_call_iptables: IFLA_BR_NF_CALL_IPTABLES
+ *
+ * @nf_call_ip6tables: IFLA_BR_NF_CALL_IP6TABLES
+ *
+ * @nf_call_arptables: IFLA_BR_NF_CALL_ARPTABLES
+ *
+ * @vlan_filtering: IFLA_BR_VLAN_FILTERING
+ *
+ * @vlan_protocol: IFLA_BR_VLAN_PROTOCOL
+ *
+ * @default_pvid: IFLA_BR_VLAN_DEFAULT_PVID
+ *
+ * @vlan_stats_enabled: IFLA_BR_VLAN_STATS_ENABLED
+ *
+ * @vlan_stats_per_port: IFLA_BR_VLAN_STATS_PER_PORT
+ */
 static struct attribute *bridge_attrs[] = {
 	&dev_attr_forward_delay.attr,
 	&dev_attr_hello_time.attr,
-- 
2.41.0