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PPP, VJ, fixed TCP retransmission

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We used to modify in place the packet payload during compression but TCP
stack requires that we don't change the packet payload, therefore we now
copy the whole packet before compression.

Signed-off-by: Sylvain Rochet <gradator@gradator.net>
This commit is contained in:
Sylvain Rochet
2016-01-24 20:07:54 +01:00
parent 9c7231ee75
commit 4beacc4ca0
3 changed files with 33 additions and 11 deletions
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2
src/include/netif/ppp/vj.h
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@@ -151,7 +151,7 @@ struct vjcompress {
#define VJF_TOSS 1U /* tossing rcvd frames because of input err */
extern void vj_compress_init (struct vjcompress *comp);
extern u8_t vj_compress_tcp (struct vjcompress *comp, struct pbuf *pb);
extern u8_t vj_compress_tcp (struct vjcompress *comp, struct pbuf **pb);
extern void vj_uncompress_err (struct vjcompress *comp);
extern int vj_uncompress_uncomp(struct pbuf *nb, struct vjcompress *comp);
extern int vj_uncompress_tcp (struct pbuf **nb, struct vjcompress *comp);