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rxrpc: Fix firewall route keepalive

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Fix the firewall route keepalive part of AF_RXRPC which is currently
function incorrectly by replying to VERSION REPLY packets from the server
with VERSION REQUEST packets.

Instead, send VERSION REPLY packets to the peers of service connections to
act as keep-alives 20s after the latest packet was transmitted to that
peer.

Also, just discard VERSION REPLY packets rather than replying to them.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2018-03-30 21:04:43 +01:00
commit ace45bec6d
9 changed files with 204 additions and 4 deletions
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