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epoll: Split handling of TCP timerfds into its own handler function

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tcp_sock_handler() actually handles several different types of fd events.
This includes timerfds that aren't sockets at all.  The handling of these
has essentially nothing in common with the other cases.  So, give the
TCP timers there own epoll_type value and dispatch directly to their
handler.  This also means we can remove the timer field from tcp_epoll_ref,
the information it encoded is now implicit in the epoll_type value.

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 15:12:26 +10:00 • committed by Stefano Brivio
parent 8271a2ed57
commit e6f81e5578
4 changed files with 12 additions and 14 deletions

4
passt.c
View file

@ -57,6 +57,7 @@ char pkt_buf[PKT_BUF_BYTES] __attribute__ ((aligned(PAGE_SIZE)));
char *epoll_type_str[EPOLL_TYPE_MAX + 1] = {
[EPOLL_TYPE_TCP] = "TCP socket",
[EPOLL_TYPE_TCP_TIMER] = "TCP timer",
[EPOLL_TYPE_UDP] = "UDP socket",
[EPOLL_TYPE_ICMP] = "ICMP socket",
[EPOLL_TYPE_ICMPV6] = "ICMPv6 socket",
@ -324,6 +325,9 @@ loop:
if (!c.no_tcp)
tcp_sock_handler(&c, ref, eventmask, &now);
break;
case EPOLL_TYPE_TCP_TIMER:
tcp_timer_handler(&c, ref);
break;
case EPOLL_TYPE_UDP:
udp_sock_handler(&c, ref, eventmask, &now);
break;