diff options
| author |   Neale Ranns <nranns@cisco.com> | 2020-05-19 07:17:19 +0000 |
|---|---|---|
| committer |   Andrew Yourtchenko <ayourtch@gmail.com> | 2020-08-31 09:23:32 +0000 |
| commit | 29f3c7d2ecac2f9d80bb33e91bd5d1f9d434768a (patch) | |
| tree | 66d7c69f2c24959ef4f6ef67b7c56dba11d8be29 /src/vnet/ip | |
| parent | 133c91c1c06e7c773ba675181901ba0dcf955ae6 (diff) | |
cnat: Destination based NAT
Type: feature
Signed-off-by: Neale Ranns <nranns@cisco.com>
Change-Id: I64a99a4fbc674212944247793fd5c1fb701408cb
Diffstat (limited to 'src/vnet/ip')
| -rw-r--r-- | src/vnet/ip/ip_types.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/vnet/ip/ip_types.c b/src/vnet/ip/ip_types.c index 5041c129245..3d489e4e00d 100644 --- a/src/vnet/ip/ip_types.c +++ b/src/vnet/ip/ip_types.c @@ -261,6 +261,30 @@ ip_address_from_46 (const ip46_address_t * nh, ip_addr_version (ip) = ip_address_family_from_fib_proto (fproto); } +/** + * convert from a IP address to a FIB prefix + */ +void +ip_address_to_fib_prefix (const ip_address_t * addr, fib_prefix_t * prefix) +{ + if (addr->version == AF_IP4) + { + prefix->fp_len = 32; + prefix->fp_proto = FIB_PROTOCOL_IP4; + clib_memset (&prefix->fp_addr.pad, 0, sizeof (prefix->fp_addr.pad)); + memcpy (&prefix->fp_addr.ip4, &addr->ip.ip4, + sizeof (prefix->fp_addr.ip4)); + } + else + { + prefix->fp_len = 128; + prefix->fp_proto = FIB_PROTOCOL_IP6; + memcpy (&prefix->fp_addr.ip6, &addr->ip.ip6, + sizeof (prefix->fp_addr.ip6)); + } + prefix->___fp___pad = 0; +} + static void ip_prefix_normalize_ip4 (ip4_address_t * ip4, u8 preflen) { @@ -364,6 +388,17 @@ ip_prefix_cmp (ip_prefix_t * p1, ip_prefix_t * p2) return cmp; } +/** + * convert from a LISP to a FIB prefix + */ +void +ip_prefix_to_fib_prefix (const ip_prefix_t * ip_prefix, + fib_prefix_t * fib_prefix) +{ + ip_address_to_fib_prefix (&ip_prefix->addr, fib_prefix); + fib_prefix->fp_len = ip_prefix->len; +} + static bool ip4_prefix_validate (const ip_prefix_t * ip) { |