diff options
| -rw-r--r-- | include/net/ip6_route.h | 2 | ||||
| -rw-r--r-- | include/net/ipv6.h | 2 | ||||
| -rw-r--r-- | net/ipv6/output_core.c | 22 | ||||
| -rw-r--r-- | net/ipv6/route.c | 19 |
4 files changed, 24 insertions, 21 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h index f667248202b6..f525e7038cca 100644 --- a/include/net/ip6_route.h +++ b/include/net/ip6_route.h @@ -112,8 +112,6 @@ extern struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, const struct in6_addr *addr, bool anycast); -extern int ip6_dst_hoplimit(struct dst_entry *dst); - /* * support functions for ND * diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 7bdff0455065..bbf1c8fb8511 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -658,6 +658,8 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add extern void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt); +extern int ip6_dst_hoplimit(struct dst_entry *dst); + /* * Header manipulation */ diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c index ab92a3673fbb..53a062187db1 100644 --- a/net/ipv6/output_core.c +++ b/net/ipv6/output_core.c @@ -5,6 +5,7 @@ #include <linux/export.h> #include <net/ipv6.h> #include <net/ip6_fib.h> +#include <net/addrconf.h> void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt) { @@ -75,3 +76,24 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) return offset; } EXPORT_SYMBOL(ip6_find_1stfragopt); + +#if IS_ENABLED(CONFIG_IPV6) +int ip6_dst_hoplimit(struct dst_entry *dst) +{ + int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT); + if (hoplimit == 0) { + struct net_device *dev = dst->dev; + struct inet6_dev *idev; + + rcu_read_lock(); + idev = __in6_dev_get(dev); + if (idev) + hoplimit = idev->cnf.hop_limit; + else + hoplimit = dev_net(dev)->ipv6.devconf_all->hop_limit; + rcu_read_unlock(); + } + return hoplimit; +} +EXPORT_SYMBOL(ip6_dst_hoplimit); +#endif diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 55236a84c748..b770085ae36d 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1354,25 +1354,6 @@ out: return entries > rt_max_size; } -int ip6_dst_hoplimit(struct dst_entry *dst) -{ - int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT); - if (hoplimit == 0) { - struct net_device *dev = dst->dev; - struct inet6_dev *idev; - - rcu_read_lock(); - idev = __in6_dev_get(dev); - if (idev) - hoplimit = idev->cnf.hop_limit; - else - hoplimit = dev_net(dev)->ipv6.devconf_all->hop_limit; - rcu_read_unlock(); - } - return hoplimit; -} -EXPORT_SYMBOL(ip6_dst_hoplimit); - /* * */ |