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/*
*
* Copyright (c) 2018 Huawei Technologies Co.,Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __LWIP_IP_ADDR_H__
#define __LWIP_IP_ADDR_H__
#include "spl_opt.h"
#include "spl_def.h"
#include "ip_module_api.h"
#include "stackx_ip_addr.h"
#ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
#endif
/** ip_addr_t uses a struct for convenience only, so that the same defines can
* operate both on ip_addr_t as well as on ip_addr_p_t. */
/* Forward declaration to not include netif.h */
struct netif;
#if BYTE_ORDER == BIG_ENDIAN
/** Set an IPaddress given by the four byte-parts */
#define SPL_IP4_ADDR(ipaddr, a, b, c, d) \
(ipaddr)->addr = ((u32_t)((a) & 0xff) << 24) | \
((u32_t)((b) & 0xff) << 16) | \
((u32_t)((c) & 0xff) << 8) | \
(u32_t)((d) & 0xff)
#else
/** Set an IPaddress given by the four byte-parts.
Little-endian version that prevents the use of htonl. */
#define SPL_IP4_ADDR(ipaddr, a, b, c, d) \
(ipaddr)->addr = ((u32_t)((d) & 0xff) << 24) | \
((u32_t)((c) & 0xff) << 16) | \
((u32_t)((b) & 0xff) << 8) | \
(u32_t)((a) & 0xff)
#endif
/** memcpy-like copying of IPaddresses where addresses are known to be
* 16-bit-aligned if the port is correctly configured (so a port could define
* this to copying 2 u16_t's) - no NULL-pointer-checking needed. */
#ifndef IPADDR2_COPY
#define IPADDR2_COPY(dest, src) MEMCPY_S(dest, sizeof(ip_addr_t), src, sizeof(ip_addr_t))
#endif
/** Copy IPaddress - faster than spl_ip_addr_set: no NULL check */
#define spl_ip_addr_copy(dest, src) ((dest).addr = (src).addr)
/** Safely copy one IPaddress to another (src may be NULL) */
#define spl_ip_addr_set(dest, src) ((dest)->addr = \
((src) == NULL ? 0 : \
(src)->addr))
/** Safely copy one IPaddress to another and change byte order
* from host- to network-order. */
#define spl_ip_addr_set_hton(dest, src) ((dest)->addr = \
((src) == NULL ? 0 : \
htonl((src)->addr)))
/** Get the network address by combining host address with netmask */
#define spl_ip_addr_get_network(target, host, netmask) ((target)->addr = ((host)->addr) & ((netmask)->addr))
/**
* Determine if two address are on the same network.
*
* @arg addr1 IPaddress 1
* @arg addr2 IPaddress 2
* @arg mask network identifier mask
* @return !0 if the network identifiers of both address match
*/
#define spl_ip_addr_netcmp(addr1, addr2, mask) (((addr1)->addr & \
(mask)->addr) == \
((addr2)->addr & \
(mask)->addr))
/* && ((dest)->addr & tmp->netmask.addr) == (tmp->ip_addr.addr & tmp->netmask.addr) */
/* add "netif = netif->root; \"*/
#define ip_net_netif_cmp( dest, netif) ({ \
netif = netif->root; \
struct netif* tmp = netif; \
int find = 0; \
while(tmp) \
{ \
if (is_in_same_network((dest)->addr, tmp->ip_addr.addr)) \
{ \
netif->ip_addr.addr = tmp->ip_addr.addr; \
netif->netmask.addr = tmp->netmask.addr; \
find = 1; \
break; \
} \
if (netif->is_out) \
{ \
break; \
} \
tmp = tmp->vnext; \
} \
(!!find); \
})
/* Check if netif match dest , if not , find one and swap */
/* add "netif = netif->root; \"*/
#define ip_addr_netif_cmp_and_swap( dest, pnetif) ({ \
pnetif = pnetif->root; \
struct netif* tmp = pnetif; \
int find = 0; \
while(tmp) \
{ \
if ((dest)->addr == tmp->ip_addr.addr) \
{ \
pnetif->ip_addr.addr = tmp->ip_addr.addr; \
pnetif->netmask.addr = tmp->netmask.addr; \
find = 1; \
break; \
} \
if (pnetif->is_out) \
{ \
break; \
} \
tmp = tmp->vnext; \
} \
(!!find); \
})
#define ip_addr_netif_cmp( dest, pnetif) ({ \
pnetif = pnetif->root; \
struct netif* tmp = pnetif; \
int find = 0; \
while(tmp) \
{ \
if ((dest)->addr == tmp->ip_addr.addr) \
{ \
find = 1; \
break; \
} \
tmp = tmp->vnext; \
} \
(!!find); \
})
#ifdef __cplusplus
/* *INDENT-OFF* */
}
/* *INDENT-ON* */
#endif
#endif /* __LWIP_IP_ADDR_H__ */
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