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Date: Mon, 20 Nov 2023 09:46:52 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: kuba@...nel.org,
	pabeni@...hat.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	jacob.e.keller@...el.com,
	jhs@...atatu.com,
	johannes@...solutions.net,
	andriy.shevchenko@...ux.intel.com,
	amritha.nambiar@...el.com,
	sdf@...gle.com,
	horms@...nel.org
Subject: [patch net-next v3 4/9] devlink: introduce a helper for netlink multicast send

From: Jiri Pirko <jiri@...dia.com>

Introduce a helper devlink_nl_notify_send() so each object notification
function does not have to call genlmsg_multicast_netns() with the same
arguments.

Signed-off-by: Jiri Pirko <jiri@...dia.com>
---
 net/devlink/dev.c           | 6 ++----
 net/devlink/devl_internal.h | 7 +++++++
 net/devlink/health.c        | 3 +--
 net/devlink/linecard.c      | 3 +--
 net/devlink/param.c         | 3 +--
 net/devlink/port.c          | 3 +--
 net/devlink/rate.c          | 3 +--
 net/devlink/region.c        | 3 +--
 net/devlink/trap.c          | 9 +++------
 9 files changed, 18 insertions(+), 22 deletions(-)

diff --git a/net/devlink/dev.c b/net/devlink/dev.c
index 582b5177f403..ecbc6d51b624 100644
--- a/net/devlink/dev.c
+++ b/net/devlink/dev.c
@@ -216,8 +216,7 @@ static void devlink_notify(struct devlink *devlink, enum devlink_command cmd)
 		return;
 	}
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
-				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 int devlink_nl_get_doit(struct sk_buff *skb, struct genl_info *info)
@@ -991,8 +990,7 @@ static void __devlink_flash_update_notify(struct devlink *devlink,
 	if (err)
 		goto out_free_msg;
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
-				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 	return;
 
 out_free_msg:
diff --git a/net/devlink/devl_internal.h b/net/devlink/devl_internal.h
index 8b48a07eb7b7..e19e8dd47092 100644
--- a/net/devlink/devl_internal.h
+++ b/net/devlink/devl_internal.h
@@ -178,6 +178,13 @@ static inline bool devlink_nl_notify_need(struct devlink *devlink)
 				  DEVLINK_MCGRP_CONFIG);
 }
 
+static inline void devlink_nl_notify_send(struct devlink *devlink,
+					  struct sk_buff *msg)
+{
+	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
+				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+}
+
 /* Notify */
 void devlink_notify_register(struct devlink *devlink);
 void devlink_notify_unregister(struct devlink *devlink);
diff --git a/net/devlink/health.c b/net/devlink/health.c
index 93eae8b5d2d3..2f06e4ddbf3b 100644
--- a/net/devlink/health.c
+++ b/net/devlink/health.c
@@ -509,8 +509,7 @@ static void devlink_recover_notify(struct devlink_health_reporter *reporter,
 		return;
 	}
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg,
-				0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 void
diff --git a/net/devlink/linecard.c b/net/devlink/linecard.c
index 45b36975ee6f..67f70a621d27 100644
--- a/net/devlink/linecard.c
+++ b/net/devlink/linecard.c
@@ -150,8 +150,7 @@ static void devlink_linecard_notify(struct devlink_linecard *linecard,
 		return;
 	}
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
-				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 void devlink_linecards_notify_register(struct devlink *devlink)
diff --git a/net/devlink/param.c b/net/devlink/param.c
index 6bb6aee5d937..854a3af65db9 100644
--- a/net/devlink/param.c
+++ b/net/devlink/param.c
@@ -356,8 +356,7 @@ static void devlink_param_notify(struct devlink *devlink,
 		return;
 	}
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
-				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 static void devlink_params_notify(struct devlink *devlink,
diff --git a/net/devlink/port.c b/net/devlink/port.c
index 32f4d0331e63..758df3000a1b 100644
--- a/net/devlink/port.c
+++ b/net/devlink/port.c
@@ -525,8 +525,7 @@ static void devlink_port_notify(struct devlink_port *devlink_port,
 		return;
 	}
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg,
-				0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 static void devlink_ports_notify(struct devlink *devlink,
diff --git a/net/devlink/rate.c b/net/devlink/rate.c
index 0371a2dd3e0a..7139e67e93ae 100644
--- a/net/devlink/rate.c
+++ b/net/devlink/rate.c
@@ -159,8 +159,7 @@ static void devlink_rate_notify(struct devlink_rate *devlink_rate,
 		return;
 	}
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg,
-				0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 void devlink_rates_notify_register(struct devlink *devlink)
diff --git a/net/devlink/region.c b/net/devlink/region.c
index f1402da66277..fd6bfabc0c33 100644
--- a/net/devlink/region.c
+++ b/net/devlink/region.c
@@ -242,8 +242,7 @@ static void devlink_nl_region_notify(struct devlink_region *region,
 	if (IS_ERR(msg))
 		return;
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink), msg,
-				0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 void devlink_regions_notify_register(struct devlink *devlink)
diff --git a/net/devlink/trap.c b/net/devlink/trap.c
index 3ca1ca7e2e64..5d18c7424df1 100644
--- a/net/devlink/trap.c
+++ b/net/devlink/trap.c
@@ -1188,8 +1188,7 @@ devlink_trap_group_notify(struct devlink *devlink,
 		return;
 	}
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
-				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 void devlink_trap_groups_notify_register(struct devlink *devlink)
@@ -1249,8 +1248,7 @@ static void devlink_trap_notify(struct devlink *devlink,
 		return;
 	}
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
-				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 void devlink_traps_notify_register(struct devlink *devlink)
@@ -1727,8 +1725,7 @@ devlink_trap_policer_notify(struct devlink *devlink,
 		return;
 	}
 
-	genlmsg_multicast_netns(&devlink_nl_family, devlink_net(devlink),
-				msg, 0, DEVLINK_MCGRP_CONFIG, GFP_KERNEL);
+	devlink_nl_notify_send(devlink, msg);
 }
 
 void devlink_trap_policers_notify_register(struct devlink *devlink)
-- 
2.41.0


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