netdev - [PATCH net-next 1/2] net: bridge: switchdev: refactor br_switchdev_fdb

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Date:   Wed, 14 Apr 2021 18:15:39 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Cc:     Ioana Ciornei <ioana.ciornei@....com>,
        Vadym Kochan <vkochan@...vell.com>,
        Taras Chornyi <tchornyi@...vell.com>,
        Jiri Pirko <jiri@...dia.com>, Ido Schimmel <idosch@...dia.com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Ivan Vecera <ivecera@...hat.com>,
        Roopa Prabhu <roopa@...dia.com>,
        Nikolay Aleksandrov <nikolay@...dia.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-omap@...r.kernel.org,
        Tobias Waldekranz <tobias@...dekranz.com>,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: [PATCH net-next 1/2] net: bridge: switchdev: refactor br_switchdev_fdb_notify

From: Tobias Waldekranz <tobias@...dekranz.com>

Instead of having to add more and more arguments to
br_switchdev_fdb_call_notifiers, get rid of it and build the info
struct directly in br_switchdev_fdb_notify.

Signed-off-by: Tobias Waldekranz <tobias@...dekranz.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
---
 net/bridge/br_switchdev.c | 41 +++++++++++----------------------------
 1 file changed, 11 insertions(+), 30 deletions(-)

diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index 1e24d9a2c9a7..c390f84adea2 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -107,25 +107,16 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p,
 	return 0;
 }
 
-static void
-br_switchdev_fdb_call_notifiers(bool adding, const unsigned char *mac,
-				u16 vid, struct net_device *dev,
-				bool added_by_user, bool offloaded)
-{
-	struct switchdev_notifier_fdb_info info;
-	unsigned long notifier_type;
-
-	info.addr = mac;
-	info.vid = vid;
-	info.added_by_user = added_by_user;
-	info.offloaded = offloaded;
-	notifier_type = adding ? SWITCHDEV_FDB_ADD_TO_DEVICE : SWITCHDEV_FDB_DEL_TO_DEVICE;
-	call_switchdev_notifiers(notifier_type, dev, &info.info, NULL);
-}
-
 void
 br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
 {
+	struct switchdev_notifier_fdb_info info = {
+		.addr = fdb->key.addr.addr,
+		.vid = fdb->key.vlan_id,
+		.added_by_user = test_bit(BR_FDB_ADDED_BY_USER, &fdb->flags),
+		.offloaded = test_bit(BR_FDB_OFFLOADED, &fdb->flags),
+	};
+
 	if (!fdb->dst)
 		return;
 	if (test_bit(BR_FDB_LOCAL, &fdb->flags))
@@ -133,22 +124,12 @@ br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
 
 	switch (type) {
 	case RTM_DELNEIGH:
-		br_switchdev_fdb_call_notifiers(false, fdb->key.addr.addr,
-						fdb->key.vlan_id,
-						fdb->dst->dev,
-						test_bit(BR_FDB_ADDED_BY_USER,
-							 &fdb->flags),
-						test_bit(BR_FDB_OFFLOADED,
-							 &fdb->flags));
+		call_switchdev_notifiers(SWITCHDEV_FDB_DEL_TO_DEVICE,
+					 fdb->dst->dev, &info.info, NULL);
 		break;
 	case RTM_NEWNEIGH:
-		br_switchdev_fdb_call_notifiers(true, fdb->key.addr.addr,
-						fdb->key.vlan_id,
-						fdb->dst->dev,
-						test_bit(BR_FDB_ADDED_BY_USER,
-							 &fdb->flags),
-						test_bit(BR_FDB_OFFLOADED,
-							 &fdb->flags));
+		call_switchdev_notifiers(SWITCHDEV_FDB_ADD_TO_DEVICE,
+					 fdb->dst->dev, &info.info, NULL);
 		break;
 	}
 }
-- 
2.25.1