IP6_SV_REASS_RC_TOO_MANY_FRAGMENTS,
IP6_SV_REASS_RC_INTERNAL_ERROR,
IP6_SV_REASS_RC_UNSUPP_IP_PROTO,
+ IP6_SV_REASS_RC_INVALID_FRAG_LEN,
} ip6_sv_reass_rc_t;
typedef struct
ip6_sv_reass_t *reass = NULL;
f64 now = vlib_time_now (vm);
+again:
+
if (!clib_bihash_search_48_8 (&rm->hash, &kv->kv, &kv->kv))
{
if (vm->thread_index != kv->v.thread_index)
kv->v.thread_index = vm->thread_index;
reass->last_heard = now;
- if (clib_bihash_add_del_48_8 (&rm->hash, &kv->kv, 1))
+ int rv = clib_bihash_add_del_48_8 (&rm->hash, &kv->kv, 2);
+ if (rv)
{
ip6_sv_reass_free (vm, rm, rt, reass);
reass = NULL;
+ // if other worker created a context already work with the other copy
+ if (-2 == rv)
+ goto again;
}
return reass;
u32 fragment_length =
vlib_buffer_length_in_chain (vm, fb) -
(fvnb->ip.reass.ip6_frag_hdr_offset + sizeof (*frag_hdr));
+ if (0 == fragment_length)
+ {
+ return IP6_SV_REASS_RC_INVALID_FRAG_LEN;
+ }
u32 fragment_last = fvnb->ip.reass.fragment_last =
fragment_first + fragment_length - 1;
fvnb->ip.reass.range_first = fragment_first;
case IP6_SV_REASS_RC_INTERNAL_ERROR:
counter = IP6_ERROR_REASS_INTERNAL_ERROR;
break;
+ case IP6_SV_REASS_RC_INVALID_FRAG_LEN:
+ counter = IP6_ERROR_REASS_INVALID_FRAG_LEN;
+ break;
}
if (~0 != counter)
{