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Add IP checksumming functions to qemu (Gerd Hoffmann)

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This can be shared between the e1000, virtio-net, and xennet.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4971 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2008-07-29 19:40:04 +00:00
parent dd5e6304aa
commit 48c643630c
3 changed files with 95 additions and 1 deletions
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7
net.h
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@ -48,4 +48,11 @@ struct NICInfo {
extern int nb_nics;
extern NICInfo nd_table[MAX_NICS];
/* checksumming functions (net-checksum.c) */
uint32_t net_checksum_add(int len, uint8_t *buf);
uint16_t net_checksum_finish(uint32_t sum);
uint16_t net_checksum_tcpudp(uint16_t length, uint16_t proto,
uint8_t *addrs, uint8_t *buf);
void net_checksum_calculate(uint8_t *data, int length);
#endif