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PGW IP assign rule is updated

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This commit is contained in:
Sukchan Lee
2017-10-15 20:33:20 +09:00
parent fb566fd94c
commit 47bad3794e
1 changed files with 23 additions and 1 deletions
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24
src/pgw/pgw_context.c
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@@ -1049,7 +1049,7 @@ pgw_pf_t* pgw_pf_next(pgw_pf_t *pf)
status_t pgw_ip_pool_generate()
{
int i, j, k;
int i, j;
int pool_index = 0;
for (i = 0; i < self.num_of_ip_pool; i++)
@@ -1057,6 +1057,27 @@ status_t pgw_ip_pool_generate()
c_uint32_t mask = htonl(0xffffffff << (32 - self.ip_pool[i].mask));
c_uint32_t prefix = self.ip_pool[i].prefix & mask;
#if 1 /* Update IP assign rule from bradon's comment */
c_uint32_t broadcast = prefix + ~mask;
for (j = 1; j < (0xffffffff >> self.ip_pool[i].mask) &&
pool_index < MAX_POOL_OF_SESS; j++)
{
pgw_ip_pool_t *ip_pool = &pgw_ip_pool_pool.pool[pool_index];
ip_pool->ue_addr = prefix + htonl(j);
/* Exclude Network Address */
if (ip_pool->ue_addr == prefix) continue;
/* Exclude Broadcast Address */
if (ip_pool->ue_addr == broadcast) continue;
/* Exclude TUN IP Address */
if (ip_pool->ue_addr == self.ip_pool[i].prefix) continue;
pool_index++;
}
#else
/* Exclude X.X.X.0, X.X.X.255 addresses from ip pool */
c_uint32_t exclude_mask[] = { 0, 255 };
@@ -1081,6 +1102,7 @@ status_t pgw_ip_pool_generate()
}
pool_index++;
}
#endif
}
return CORE_OK;