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pif: Pass originating pif to tap handler functions

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For now, packets passed to the various *_tap_handler() functions always
come from the single "tap" interface.  We want to allow the possibility to
broaden that in future.  As preparation for that, have the code in tap.c
pass the pif id of the originating interface to each of those handler
functions.

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 2023-11-07 12:40:16 +11:00 • committed by Stefano Brivio
parent 732e249376
commit f6d8dc2355
7 changed files with 34 additions and 17 deletions

4
icmp.c
View file

@ -148,6 +148,7 @@ void icmpv6_sock_handler(const struct ctx *c, union epoll_ref ref)
/**
* icmp_tap_handler() - Handle packets from tap
* @c: Execution context
* @pif: pif on which the packet is arriving
* @af: Address family, AF_INET or AF_INET6
* @saddr: Source address
* @daddr: Destination address
@ -156,13 +157,14 @@ void icmpv6_sock_handler(const struct ctx *c, union epoll_ref ref)
*
* Return: count of consumed packets (always 1, even if malformed)
*/
int icmp_tap_handler(const struct ctx *c, int af,
int icmp_tap_handler(const struct ctx *c, uint8_t pif, int af,
const void *saddr, const void *daddr,
const struct pool *p, const struct timespec *now)
{
size_t plen;
(void)saddr;
(void)pif;
if (af == AF_INET) {
struct sockaddr_in sa = {