abc/lwip
1
0
Fork 0
mirror of https://git.savannah.nongnu.org/git/lwip.git synced 2026-05-24 09:06:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

* ipv4/inet_chksum.c, ipv4/lwip/inet_chksum.h: inet_chksum_pseudo_partial()

Browse Source 
is only used by UDPLITE at present, so conditionalise it.
This commit is contained in:
jifl
2009-01-28 23:58:15 +00:00
parent 102d69004a
commit 878532a30d
3 changed files with 9 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/core/ipv4/inet_chksum.c
View File

@@ -327,6 +327,8 @@ inet_chksum_pseudo(struct pbuf *p,
* @param proto_len length of the ip data part (used for checksum of pseudo header)
* @return checksum (as u16_t) to be saved directly in the protocol header
*/
/* Currently only used by UDPLITE, although this could change in the future. */
#if LWIP_UDPLITE
u16_t
inet_chksum_pseudo_partial(struct pbuf *p,
struct ip_addr *src, struct ip_addr *dest,
@@ -377,6 +379,7 @@ inet_chksum_pseudo_partial(struct pbuf *p,
LWIP_DEBUGF(INET_DEBUG, ("inet_chksum_pseudo(): pbuf chain lwip_chksum()=%"X32_F"\n", acc));
return (u16_t)~(acc & 0xffffUL);
}
#endif /* LWIP_UDPLITE */
/* inet_chksum:
*

2
src/include/ipv4/lwip/inet_chksum.h
View File

@@ -46,9 +46,11 @@ u16_t inet_chksum_pbuf(struct pbuf *p);
u16_t inet_chksum_pseudo(struct pbuf *p,
struct ip_addr *src, struct ip_addr *dest,
u8_t proto, u16_t proto_len);
#if LWIP_UDPLITE
u16_t inet_chksum_pseudo_partial(struct pbuf *p,
struct ip_addr *src, struct ip_addr *dest,
u8_t proto, u16_t proto_len, u16_t chksum_len);
#endif
#ifdef __cplusplus
}