diff options
Diffstat (limited to 'sys/netinet6/in6_fib.c')
| -rw-r--r-- | sys/netinet6/in6_fib.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/sys/netinet6/in6_fib.c b/sys/netinet6/in6_fib.c index 9fd869b2730b..a3fd20f8ba25 100644 --- a/sys/netinet6/in6_fib.c +++ b/sys/netinet6/in6_fib.c @@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$"); #include <net/route/route_ctl.h> #include <net/route/route_var.h> #include <net/route/nhop.h> +#include <net/toeplitz.h> #include <net/vnet.h> #include <netinet/in.h> @@ -68,6 +69,39 @@ __FBSDID("$FreeBSD$"); CHK_STRUCT_ROUTE_COMPAT(struct route_in6, ro_dst); +#ifdef ROUTE_MPATH +struct _hash_5tuple_ipv6 { + struct in6_addr src; + struct in6_addr dst; + unsigned short src_port; + unsigned short dst_port; + char proto; + char spare[3]; +}; +_Static_assert(sizeof(struct _hash_5tuple_ipv6) == 40, + "_hash_5tuple_ipv6 size is wrong"); + +uint32_t +fib6_calc_software_hash(const struct in6_addr *src, const struct in6_addr *dst, + unsigned short src_port, unsigned short dst_port, char proto, + uint32_t *phashtype) +{ + struct _hash_5tuple_ipv6 data; + + data.src = *src; + data.dst = *dst; + data.src_port = src_port; + data.dst_port = dst_port; + data.proto = proto; + data.spare[0] = data.spare[1] = data.spare[2] = 0; + + *phashtype = M_HASHTYPE_OPAQUE_HASH; + + return (toeplitz_hash(MPATH_ENTROPY_KEY_LEN, mpath_entropy_key, + sizeof(data), (uint8_t *)&data)); +} +#endif + /* * Looks up path in fib @fibnum specified by @dst. * Assumes scope is deembedded and provided in @scopeid. |