abc/lwip
1
0
Fork 0
mirror of https://git.savannah.nongnu.org/git/lwip.git synced 2026-05-22 08:06:51 +08:00
Code Issues Packages Projects Releases Wiki Activity

Create overridable macros for copying 2-byte-aligned IP addresses and MAC addresses

Browse Source
This commit is contained in:
goldsimon
2010-04-29 04:57:31 +00:00
parent 01d2a87f5d
commit 72c580236e
5 changed files with 46 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
src/include/ipv4/lwip/ip_addr.h
View File

@@ -140,6 +140,13 @@ extern const ip_addr_t ip_addr_broadcast;
(u32_t)((a) & 0xff)
#endif
/** MEMCPY-like copying of IP addresses 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) SMEMCPY(dest, src, sizeof(ip_addr_t))
#endif
/** Copy IP address - faster than ip_addr_set: no NULL check */
#define ip_addr_copy(dest, src) ((dest).addr = (src).addr)
/** Safely copy one IP address to another (src may be NULL) */

12
src/include/netif/etharp.h
View File

@@ -139,6 +139,18 @@ PACK_STRUCT_END
#define ETHTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */
#define ETHTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */
/** MEMCPY-like macro to copy to/from struct eth_addr's that are local variables
* or known to be 32-bit aligned within the protocol header. */
#ifndef ETHADDR32_COPY
#define ETHADDR32_COPY(src, dst) SMEMCPY(src, dst, ETHARP_HWADDR_LEN)
#endif
/** MEMCPY-like macro to copy to/from struct eth_addr's that are no local
* variables and known to be 16-bit aligned within the protocol header. */
#ifndef ETHADDR16_COPY
#define ETHADDR16_COPY(src, dst) SMEMCPY(src, dst, ETHARP_HWADDR_LEN)
#endif
#if LWIP_ARP /* don't build if not configured for use in lwipopts.h */
/** ARP message types (opcodes) */