net: 802.15.4: Do not compress TCP packets (e2692eba) · Commits · Wenxi XU / zephyr

The IPv6 header compression is temporarily turned off for TCP packets because of stack limitations when a packet needs to be resent. Change-Id: I572f177c727aa39757afebdc594cc07c8d8a1bd5 Signed-off-by:

Jukka Rissanen <jukka.rissanen@linux.intel.com>

net/ip/contiki/sicslowpan/sicslowpan_compression.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -897,6 +897,15 @@ static int compress(struct net_buf *buf)
		struct net_buf *mbuf;
		int ret;

		#if UIP_TCP
		if(UIP_IP_BUF(buf)->proto == UIP_PROTO_TCP) {
		/* Right now do not touch TCP packets. Because we modify the IPv6 header
		* then the packet cannot be re-sent properly later. To be fixed later.
		*/
		return 1;
		}
		#endif

		if(uip_len(buf) >= COMPRESSION_THRESHOLD) {
		#if SICSLOWPAN_COMPRESSION == SICSLOWPAN_COMPRESSION_IPV6
		return compress_hdr_ipv6(buf);

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