In case ((ntohs(uh->source) & LOWPAN_NHC_UDP_8BIT_MASK) the order of uncompression is wrong. It's always first source port then destionation port as second.
See: http://tools.ietf.org/html/rfc6282#section-4.3.3 "Fields carried in-line (in part or in whole) appear in the same order as they do in the UDP header format" Signed-off-by: Alexander Aring <alex.ar...@gmail.com> --- net/ieee802154/6lowpan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c index 55d1cf4..769b2b7 100644 --- a/net/ieee802154/6lowpan.c +++ b/net/ieee802154/6lowpan.c @@ -362,8 +362,8 @@ lowpan_compress_udp_header(u8 **hc06_ptr, struct sk_buff *skb) LOWPAN_NHC_UDP_8BIT_PORT) { pr_debug("UDP header: remove 8 bits of source\n"); **hc06_ptr = LOWPAN_NHC_UDP_CS_P_10; - memcpy(*hc06_ptr + 1, &uh->dest, 2); - *(*hc06_ptr + 3) = (u8)(uh->source - LOWPAN_NHC_UDP_8BIT_PORT); + *(*hc06_ptr + 1) = (u8)(uh->source - LOWPAN_NHC_UDP_8BIT_PORT); + memcpy(*hc06_ptr + 2, &uh->dest, 2); *hc06_ptr += 4; } else { pr_debug("UDP header: can't compress\n"); -- 1.8.4 ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60134071&iu=/4140/ostg.clktrk _______________________________________________ Linux-zigbee-devel mailing list Linux-zigbee-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-zigbee-devel