diff options
Diffstat (limited to 'stacks/lwip_stack/lwip_src/include/ipv4/stackx/spl_ip_addr.h')
| -rw-r--r-- | stacks/lwip_stack/lwip_src/include/ipv4/stackx/spl_ip_addr.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/stacks/lwip_stack/lwip_src/include/ipv4/stackx/spl_ip_addr.h b/stacks/lwip_stack/lwip_src/include/ipv4/stackx/spl_ip_addr.h new file mode 100644 index 0000000..ae5c31f --- /dev/null +++ b/stacks/lwip_stack/lwip_src/include/ipv4/stackx/spl_ip_addr.h @@ -0,0 +1,162 @@ +/* +* +* 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__ */ |