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/*
* misc helpers
* Copyright 2019 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
*
* The contents of this file may be used under the terms of the GNU
* General Public License Version 2, provided that the above copyright
* notice and this permission notice is included in all copies or
* substantial portions of the software.
*
*/
#include "../gtp/pdp.h"
#include "ippool.h"
#include "in46_addr.h"
/*! Get the peer of pdp based on IP version used.
* \param[in] pdp PDP context to select the peer from.
* \param[in] v4v6 IP version to select. Valid values are 4 and 6.
* \returns The selected peer matching the given IP version. NULL if not present.
*/
struct ippoolm_t *pdp_get_peer_ipv(struct pdp_t *pdp, bool is_ipv6) {
uint8_t i;
for (i = 0; i < 2; i++) {
struct ippoolm_t * ippool = pdp->peer[i];
if (!ippool)
continue;
if (is_ipv6 && in46a_is_v6(&ippool->addr))
return ippool;
else if (!is_ipv6 && in46a_is_v4(&ippool->addr))
return ippool;
}
return NULL;
}
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