net: echo server sends unknown packets on start #14663
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area: Networking
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tbursztyka
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Mar 19, 2019
IPv6 next header might be something else (here NET_IPV6_NEXTHDR_HBHO) but when finalizing it is mandatory to give the actual last header protocol type. In this case IPPROTO_ICMPV6, so the checksum can be computed properly then by net_icmpv6_finalize() called from net_ipv6_finalize(). Fixes zephyrproject-rtos#14663 Signed-off-by: Tomasz Bursztyka <[email protected]>
nashif
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Mar 19, 2019
IPv6 next header might be something else (here NET_IPV6_NEXTHDR_HBHO) but when finalizing it is mandatory to give the actual last header protocol type. In this case IPPROTO_ICMPV6, so the checksum can be computed properly then by net_icmpv6_finalize() called from net_ipv6_finalize(). Fixes #14663 Signed-off-by: Tomasz Bursztyka <[email protected]>
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When started, native posix echo server sends several unknown packets. They seem to be malfmormed ICMPv6 packets (MLD?)
zephyr-init-unknown.pcapng.gz
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