diff mbox series

[net-next,3/8] ndo_fdb_del: Shift responsibility for notifying to drivers

Message ID afd2f3b10b077fcf024753eba56580dd086c8548.1729607879.git.petrm@nvidia.com (mailing list archive)
State New
Delegated to: Netdev Maintainers
Headers show
Series net: Shift responsibility for FDB notifications to drivers | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Clearly marked for net-next, async
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit fail Errors and warnings before: 52 this patch: 52
netdev/build_tools success Errors and warnings before: 157 (+1) this patch: 157 (+1)
netdev/cc_maintainers warning 4 maintainers not CCed: anthony.l.nguyen@intel.com shshaikh@marvell.com claudiu.manoil@nxp.com alexandre.belloni@bootlin.com
netdev/build_clang fail Errors and warnings before: 84 this patch: 83
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn fail Errors and warnings before: 4102 this patch: 4002
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 73 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 145 this patch: 145
netdev/source_inline success Was 0 now: 0

Commit Message

Petr Machata Oct. 22, 2024, 2:50 p.m. UTC 
As described in the previous patch, the drivers that provide their own
fdb_add and fdb_del callbacks should from now on be responsible for sending
the notification themselves. In this patch, implement the fdb_del leg of
the change.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
---
CC: Przemek Kitszel <przemyslaw.kitszel@intel.com>
CC: intel-wired-lan@lists.osuosl.org
CC: UNGLinuxDriver@microchip.com
CC: Manish Chopra <manishc@marvell.com>
CC: GR-Linux-NIC-Dev@marvell.com
CC: Kuniyuki Iwashima <kuniyu@amazon.com>
CC: Andrew Lunn <andrew+netdev@lunn.ch>
---
 drivers/net/ethernet/intel/ice/ice_main.c        | 3 +++
 drivers/net/ethernet/mscc/ocelot_net.c           | 8 +++++++-
 drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 4 ++++
 drivers/net/macvlan.c                            | 3 +++
 include/linux/netdevice.h                        | 2 ++
 net/core/rtnetlink.c                             | 9 ++++-----
 6 files changed, 23 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index a3398814a1cb..65f9dcf4745b 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -6188,6 +6188,9 @@  ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[],
 	else
 		err = -EINVAL;
 
+	if (!err)
+		rtnl_fdb_notify(dev, addr, vid, RTM_DELNEIGH, ndm->ndm_state);
+
 	return err;
 }
 
diff --git a/drivers/net/ethernet/mscc/ocelot_net.c b/drivers/net/ethernet/mscc/ocelot_net.c
index cf972444e254..12958d985fd7 100644
--- a/drivers/net/ethernet/mscc/ocelot_net.c
+++ b/drivers/net/ethernet/mscc/ocelot_net.c
@@ -756,8 +756,14 @@  static int ocelot_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 	struct ocelot_port *ocelot_port = &priv->port;
 	struct ocelot *ocelot = ocelot_port->ocelot;
 	int port = priv->port.index;
+	int err;
 
-	return ocelot_fdb_del(ocelot, port, addr, vid, ocelot_port->bridge);
+	err = ocelot_fdb_del(ocelot, port, addr, vid, ocelot_port->bridge);
+
+	if (!err)
+		rtnl_fdb_notify(dev, addr, vid, RTM_DELNEIGH, ndm->ndm_state);
+
+	return err;
 }
 
 static int ocelot_port_fdb_do_dump(const unsigned char *addr, u16 vid,
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 1de0290e15e0..db847aed5222 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -388,6 +388,10 @@  static int qlcnic_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 			err =  -EINVAL;
 		}
 	}
+
+	if (!err)
+		rtnl_fdb_notify(dev, addr, vid, RTM_DELNEIGH, ndm->ndm_state);
+
 	return err;
 }
 
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index b1e828581ec4..2c61b7b83875 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1069,6 +1069,9 @@  static int macvlan_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 	else if (is_multicast_ether_addr(addr))
 		err = dev_mc_del(dev, addr);
 
+	if (!err)
+		rtnl_fdb_notify(dev, addr, vid, RTM_DELNEIGH, ndm->ndm_state);
+
 	return err;
 }
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9f7de8d0414a..9e1ffb21de18 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1254,6 +1254,8 @@  struct netdev_net_notifier {
  *		      struct net_device *dev,
  *		      const unsigned char *addr, u16 vid)
  *	Deletes the FDB entry from dev corresponding to addr.
+ *	Callee is responsible for sending appropriate notification, as with
+ *	ndo_fdb_add().
  * int (*ndo_fdb_del_bulk)(struct nlmsghdr *nlh, struct net_device *dev,
  *			   struct netlink_ext_ack *extack);
  * int (*ndo_fdb_dump)(struct sk_buff *skb, struct netlink_callback *cb,
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a9f56a50fa57..4788bfc58aa2 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4506,6 +4506,9 @@  int ndo_dflt_fdb_del(struct ndmsg *ndm,
 	else if (is_multicast_ether_addr(addr))
 		err = dev_mc_del(dev, addr);
 
+	if (!err)
+		rtnl_fdb_notify(dev, addr, vid, RTM_DELNEIGH, ndm->ndm_state);
+
 	return err;
 }
 EXPORT_SYMBOL(ndo_dflt_fdb_del);
@@ -4604,12 +4607,8 @@  static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
 				err = ops->ndo_fdb_del_bulk(nlh, dev, extack);
 		}
 
-		if (!err) {
-			if (!del_bulk)
-				rtnl_fdb_notify(dev, addr, vid, RTM_DELNEIGH,
-						ndm->ndm_state);
+		if (!err)
 			ndm->ndm_flags &= ~NTF_SELF;
-		}
 	}
 out:
 	return err;