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epoll: Use different epoll types for passt and pasta tap fds

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Currently we have a single epoll event type for the "tap" fd, which could
be either a handle on a /dev/net/tun device (pasta) or a connected Unix
socket (passt).  However for the two modes we call different handler
functions.  Simplify this a little by using different epoll types and
dispatching directly to the correct handler function.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2023-08-11 15:12:29 +10:00 • committed by Stefano Brivio
parent eda4f1997e
commit ae5f6c8e1b
4 changed files with 30 additions and 30 deletions

6
passt.h
View file

@ -61,8 +61,10 @@ enum epoll_type {
EPOLL_TYPE_ICMPV6,
/* inotify fd watching for end of netns (pasta) */
EPOLL_TYPE_NSQUIT,
/* tap char device, or connected qemu socket fd */
EPOLL_TYPE_TAP,
/* tuntap character device */
EPOLL_TYPE_TAP_PASTA,
/* socket connected to qemu */
EPOLL_TYPE_TAP_PASST,
/* socket listening for qemu socket connections */
EPOLL_TYPE_TAP_LISTEN,