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authorEric Dumazet <edumazet@google.com>2024-02-13 07:32:42 +0100
committerDavid S. Miller <davem@davemloft.net>2024-02-14 12:20:13 +0100
commit6a2968ee1ee2cc6fce30f6f5724442b34b1483b3 (patch)
tree0a41642980c841e40bbcd58ce7b4b1612362aeac /net/hsr
parentnet: remove stale mentions of dev_base_lock in comments (diff)
downloadlinux-6a2968ee1ee2cc6fce30f6f5724442b34b1483b3.tar.xz
linux-6a2968ee1ee2cc6fce30f6f5724442b34b1483b3.zip
net: add netdev_set_operstate() helper
dev_base_lock is going away, add netdev_set_operstate() helper so that hsr does not have to know core internals. Remove dev_base_lock acquisition from rfc2863_policy() v3: use an "unsigned int" for dev->operstate, so that try_cmpxchg() can work on all arches. ( https://lore.kernel.org/oe-kbuild-all/202402081918.OLyGaea3-lkp@intel.com/ ) Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/hsr')
-rw-r--r--net/hsr/hsr_device.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
index be0e43f46556..5ef6d437db72 100644
--- a/net/hsr/hsr_device.c
+++ b/net/hsr/hsr_device.c
@@ -28,29 +28,19 @@ static bool is_slave_up(struct net_device *dev)
return dev && is_admin_up(dev) && netif_oper_up(dev);
}
-static void __hsr_set_operstate(struct net_device *dev, int transition)
-{
- write_lock(&dev_base_lock);
- if (READ_ONCE(dev->operstate) != transition) {
- WRITE_ONCE(dev->operstate, transition);
- write_unlock(&dev_base_lock);
- netdev_state_change(dev);
- } else {
- write_unlock(&dev_base_lock);
- }
-}
-
static void hsr_set_operstate(struct hsr_port *master, bool has_carrier)
{
- if (!is_admin_up(master->dev)) {
- __hsr_set_operstate(master->dev, IF_OPER_DOWN);
+ struct net_device *dev = master->dev;
+
+ if (!is_admin_up(dev)) {
+ netdev_set_operstate(dev, IF_OPER_DOWN);
return;
}
if (has_carrier)
- __hsr_set_operstate(master->dev, IF_OPER_UP);
+ netdev_set_operstate(dev, IF_OPER_UP);
else
- __hsr_set_operstate(master->dev, IF_OPER_LOWERLAYERDOWN);
+ netdev_set_operstate(dev, IF_OPER_LOWERLAYERDOWN);
}
static bool hsr_check_carrier(struct hsr_port *master)