Alexander V. Chernikov 22f24233ba Fix arp/ndp deletion broken by 2fe5a79425. ... Changes in the 2fe5a79425 moved dst sockaddr masking from the routing control plane to the rtsock code. It broke arp/ndp deletion. It turns out, arp/ndp perform RTM_GET request first to get an interface index necessary for the deletion. Then they simply stamp the reply with RTF_LLDATA and set the command to RTM_DELETE. As a result, kernel receives request with non-empty RTA_NETMASK and clears RTA_DST host bits before passing the message to the lla code. De facto, the only needed bits are RTA_DST, RTA_GATEWAY and the subset of rtm_flags. With that in mind, fix the interace by clearing RTA_NETMASK for every messages with RTF_LLDATA. While here, cleanup arp/ndp code a bit. Reviewed by: gnn Differential Revision: https://reviews.freebsd.org/D28804 (cherry picked from commit f9e1cd6c99)		2021-03-10 21:48:24 +00:00
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Makefile
Makefile.depend
ndp.8
ndp.c	Fix arp/ndp deletion broken by 2fe5a79425.	2021-03-10 21:48:24 +00:00