diff options
Diffstat (limited to 'include/net/ipv6.h')
| -rw-r--r-- | include/net/ipv6.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h index 979bf6c13141..5af66b26ebdd 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -271,6 +271,15 @@ struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space, extern bool ipv6_opt_accepted(const struct sock *sk, const struct sk_buff *skb); +static inline bool ipv6_accept_ra(struct inet6_dev *idev) +{ + /* If forwarding is enabled, RA are not accepted unless the special + * hybrid mode (accept_ra=2) is enabled. + */ + return idev->cnf.forwarding ? idev->cnf.accept_ra == 2 : + idev->cnf.accept_ra; +} + #if IS_ENABLED(CONFIG_IPV6) static inline int ip6_frag_nqueues(struct net *net) { @@ -630,6 +639,16 @@ extern int ipv6_skip_exthdr(const struct sk_buff *, int start, extern bool ipv6_ext_hdr(u8 nexthdr); +enum { + IP6_FH_F_FRAG = (1 << 0), + IP6_FH_F_AUTH = (1 << 1), + IP6_FH_F_SKIP_RH = (1 << 2), +}; + +/* find specified header and get offset to it */ +extern int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, + int target, unsigned short *fragoff, int *fragflg); + extern int ipv6_find_tlv(struct sk_buff *skb, int offset, int type); extern struct in6_addr *fl6_update_dst(struct flowi6 *fl6, |