diff options
Diffstat (limited to 'include/linux/sunrpc/clnt.h')
| -rw-r--r-- | include/linux/sunrpc/clnt.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index 044f531aee7..3d025588e56 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -286,5 +286,20 @@ static inline bool rpc_copy_addr(struct sockaddr *dst, return false; } +/** + * rpc_get_scope_id - return scopeid for a given sockaddr + * @sa: sockaddr to get scopeid from + * + * Returns the value of the sin6_scope_id for AF_INET6 addrs, or 0 if + * not an AF_INET6 address. + */ +static inline u32 rpc_get_scope_id(const struct sockaddr *sa) +{ + if (sa->sa_family != AF_INET6) + return 0; + + return ((struct sockaddr_in6 *) sa)->sin6_scope_id; +} + #endif /* __KERNEL__ */ #endif /* _LINUX_SUNRPC_CLNT_H */ |