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ipv4: Use per-netns hash table in inet_lookup_ifaddr_rcu().

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Now, all IPv4 addresses are put in the per-netns hash table.

Let's use it in inet_lookup_ifaddr_rcu().

Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241008172906.1326-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kuniyuki Iwashima
2024-10-08 10:29:04 -07:00
committed by Jakub Kicinski
parent 87173021f1
commit 49e6131942
1 changed files with 2 additions and 3 deletions
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5
net/ipv4/devinet.c
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@@ -188,9 +188,8 @@ struct in_ifaddr *inet_lookup_ifaddr_rcu(struct net *net, __be32 addr)
u32 hash = inet_addr_hash(net, addr);
struct in_ifaddr *ifa;
hlist_for_each_entry_rcu(ifa, &inet_addr_lst[hash], hash)
if (ifa->ifa_local == addr &&
net_eq(dev_net(ifa->ifa_dev->dev), net))
hlist_for_each_entry_rcu(ifa, &net->ipv4.inet_addr_lst[hash], addr_lst)
if (ifa->ifa_local == addr)
return ifa;
return NULL;