diff options
| author |   Ole Troan <ot@cisco.com> | 2018-09-27 13:53:30 +0200 |
|---|---|---|
| committer |   Florin Coras <florin.coras@gmail.com> | 2018-09-27 20:00:26 +0000 |
| commit | 0fb2cc65134d268d367678be32c50252ad4cd311 (patch) | |
| tree | 4396afc309314a0aea8fcf6ed422af790035b037 /src/plugins/map | |
| parent | ec11b13a21b2becc1d1bd746a04624d17b26583f (diff) | |
MAP: 64-bit DMR
Change-Id: I261e11f1006039e4a4019fec2fd3271763ae476a
Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/plugins/map')
| -rw-r--r-- | src/plugins/map/map.c | 16 | ||||
| -rw-r--r-- | src/plugins/map/map.h | 16 |
2 files changed, 15 insertions, 17 deletions
diff --git a/src/plugins/map/map.c b/src/plugins/map/map.c index 63d6e1a3965..6206a153383 100644 --- a/src/plugins/map/map.c +++ b/src/plugins/map/map.c @@ -55,7 +55,7 @@ map_main_t map_main; /* * This code supports MAP-T: * - * With DMR prefix length equal to 96. + * With a DMR prefix length of 64 or 96 (RFC6052). * */ @@ -81,15 +81,9 @@ map_create_domain (ip4_address_t * ip4_prefix, /* Sanity check on the src prefix length */ if (flags & MAP_DOMAIN_TRANSLATION) { - if (ip6_src_len != 96) + if (ip6_src_len != 96 && ip6_src_len != 64) { - clib_warning ("MAP-T only supports ip6_src_len = 96 for now."); - return -1; - } - if ((flags & MAP_DOMAIN_RFC6052) && ip6_prefix_len != 96) - { - clib_warning ("RFC6052 translation only supports ip6_prefix_len = " - "96 for now"); + clib_warning ("MAP-T only supports prefix lengths of 64 and 96."); return -1; } } @@ -2314,8 +2308,8 @@ map_init (vlib_main_t * vm) mm->frag_ignore_df = false; vec_validate (mm->domain_counters, MAP_N_DOMAIN_COUNTER - 1); - mm->domain_counters[MAP_DOMAIN_COUNTER_RX].name = "rx"; - mm->domain_counters[MAP_DOMAIN_COUNTER_TX].name = "tx"; + mm->domain_counters[MAP_DOMAIN_COUNTER_RX].name = "/map/rx"; + mm->domain_counters[MAP_DOMAIN_COUNTER_TX].name = "/map/tx"; vlib_validate_simple_counter (&mm->icmp_relayed, 0); vlib_zero_simple_counter (&mm->icmp_relayed, 0); diff --git a/src/plugins/map/map.h b/src/plugins/map/map.h index 45959f0d0e1..6587a8a455b 100644 --- a/src/plugins/map/map.h +++ b/src/plugins/map/map.h @@ -532,19 +532,23 @@ int map_ip6_reass_conf_buffers(u32 buffers); static_always_inline void ip4_map_t_embedded_address (map_domain_t *d, - ip6_address_t *ip6, const ip4_address_t *ip4) + ip6_address_t *ip6, const ip4_address_t *ip4) { - ASSERT(d->ip6_src_len == 96); //No support for other lengths for now + ASSERT(d->ip6_src_len == 96 || d->ip6_src_len == 64); //No support for other lengths for now + u8 offset = d->ip6_src_len == 64 ? 9 : 12; ip6->as_u64[0] = d->ip6_src.as_u64[0]; - ip6->as_u32[2] = d->ip6_src.as_u32[2]; - ip6->as_u32[3] = ip4->as_u32; + ip6->as_u64[1] = d->ip6_src.as_u64[1]; + clib_memcpy(&ip6->as_u8[offset], ip4, 4); } static_always_inline u32 ip6_map_t_embedded_address (map_domain_t *d, ip6_address_t *addr) { - ASSERT(d->ip6_src_len == 96); //No support for other lengths for now - return addr->as_u32[3]; + ASSERT(d->ip6_src_len == 64 || d->ip6_src_len == 96); + u32 x; + u8 offset = d->ip6_src_len == 64 ? 9 : 12; + clib_memcpy(&x, &addr->as_u8[offset], 4); + return x; } static inline void |