ligang/vpp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

when exceed max reass,

Browse Source 
frag packet can't get reass.

adding bihash,it can rewrite new hash value.
so need to delete hash after compare hash value.

Change-Id: I83b5c47890110e9a598b78cfbe8fcd27bbe291bb
Signed-off-by: ahdj007 <dong.juan1@zte.com.cn>
This commit is contained in:
ahdj007
2018-03-08 10:02:17 +08:00
committed by Damjan Marion
parent 31ed744076
commit 5e85c54d22
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/plugins/nat/nat_reass.c
View File

@ -228,7 +228,7 @@ nat_ip4_reass_find_or_create (ip4_address_t src, ip4_address_t dst,
dlist_elt_t *oldest_elt, *elt;
dlist_elt_t *per_reass_list_head_elt;
u32 oldest_index, elt_index;
clib_bihash_kv_16_8_t kv;
clib_bihash_kv_16_8_t kv, value;
k.src.as_u32 = src.as_u32;
k.dst.as_u32 = dst.as_u32;
@ -273,12 +273,18 @@ nat_ip4_reass_find_or_create (ip4_address_t src, ip4_address_t dst,
clib_dlist_addtail (srm->ip4_reass_lru_list_pool,
srm->ip4_reass_head_index, oldest_index);
kv.key[0] = k.as_u64[0];
kv.key[1] = k.as_u64[1];
if (clib_bihash_add_del_16_8 (&srm->ip4_reass_hash, &kv, 0))
kv.key[0] = reass->key.as_u64[0];
kv.key[1] = reass->key.as_u64[1];
if (!clib_bihash_search_16_8 (&srm->ip4_reass_hash, &kv, &value))
{
reass = 0;
goto unlock;
if (value.value == (reass - srm->ip4_reass_pool))
{
if (clib_bihash_add_del_16_8 (&srm->ip4_reass_hash, &kv, 0))
{
reass = 0;
goto unlock;
}
}
}
nat_ip4_reass_get_frags_inline (reass, bi_to_drop);