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Fix an error in the handling of TCP/IP sequence numbers

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2392 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2009-12-19 22:05:12 +00:00
parent 29d789372a
commit 7d63ffbf72
11 changed files with 227 additions and 116 deletions
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include/net/uip/uip-arch.h
+3 -12
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@@ -295,28 +295,19 @@ typedef int (*uip_poll_callback_t)(struct uip_driver_s *dev);
extern int uip_poll(struct uip_driver_s *dev, uip_poll_callback_t callback);
extern int uip_timer(struct uip_driver_s *dev, uip_poll_callback_t callback, int hsec);
/* By defining UIP_ARCH_CHKSUM, the architecture can replace the following
* functions with hardware assisted solutions.
/* By defining UIP_ARCH_CHKSUM, the architecture can replace up_incr32
* with hardware assisted solutions.
*/
/* Carry out a 32-bit addition.
*
* op32 - A pointer to a 4-byte array representing a 32-bit
* integer in network byte order (big endian). This value may not
* be word aligned.
* be word aligned. The value pointed to by op32 is modified in place
*
* For uip_incr32, the value pointed to by op32 is modified in place
* For uip_add32, the value pointed to by op32 is unmodified
*
* op16 - A 16-bit integer in host byte order.
*
* sum - The location to return the result (32-bit, network byte order,
* possibly unaligned).
*
* uip_add32 only.
*/
extern void uip_add32(const uint8_t *op32, uint16_t op16, uint8_t *sum);
extern void uip_incr32(uint8_t *op32, uint16_t op16);
/* Calculate the Internet checksum over a buffer.