From 282c335ad1bf4d21fcedff132e19995c24c09adc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 8 May 2024 06:21:33 +0200 Subject: Adding upstream version 4.19.304. Signed-off-by: Daniel Baumann --- include/net/addrconf.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include/net/addrconf.h') diff --git a/include/net/addrconf.h b/include/net/addrconf.h index db2a87981..9583d3bba 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -340,6 +340,22 @@ static inline struct inet6_dev *__in6_dev_get(const struct net_device *dev) return rcu_dereference_rtnl(dev->ip6_ptr); } +/** + * __in6_dev_stats_get - get inet6_dev pointer for stats + * @dev: network device + * @skb: skb for original incoming interface if neeeded + * + * Caller must hold rcu_read_lock or RTNL, because this function + * does not take a reference on the inet6_dev. + */ +static inline struct inet6_dev *__in6_dev_stats_get(const struct net_device *dev, + const struct sk_buff *skb) +{ + if (netif_is_l3_master(dev)) + dev = dev_get_by_index_rcu(dev_net(dev), inet6_iif(skb)); + return __in6_dev_get(dev); +} + /** * __in6_dev_get_safely - get inet6_dev pointer from netdevice * @dev: network device -- cgit v1.2.3