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sockets: Support multipath TCP

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Multipath TCP allows combining multiple interfaces/routes into a single
socket, with very little work for the user/admin.

It's enabled by 'mptcp' on most socket addresses:

   ./qemu-system-x86_64 -nographic -incoming tcp:0:4444,mptcp

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20210421112834.107651-6-dgilbert@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2021-04-21 12:28:34 +01:00
parent a59136f3b1
commit 8bd1078aeb
3 changed files with 31 additions and 1 deletions
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4
io/dns-resolver.c
View file

@ -122,6 +122,10 @@ static int qio_dns_resolver_lookup_sync_inet(QIODNSResolver *resolver,
.ipv4 = iaddr->ipv4,
.has_ipv6 = iaddr->has_ipv6,
.ipv6 = iaddr->ipv6,
#ifdef IPPROTO_MPTCP
.has_mptcp = iaddr->has_mptcp,
.mptcp = iaddr->mptcp,
#endif
};
(*addrs)[i] = newaddr;