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slirp: add clock_get_ns() callback

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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
This commit is contained in:
Marc-André Lureau 2018-11-22 02:06:28 +04:00 committed by Samuel Thibault
parent 4246e8cac7
commit e6dbff3fb8
5 changed files with 16 additions and 10 deletions
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6
net/slirp.c
View File

@ -146,9 +146,15 @@ static void net_slirp_guest_error(const char *msg)
qemu_log_mask(LOG_GUEST_ERROR, "%s", msg);
}
static int64_t net_slirp_clock_get_ns(void)
{
return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
}
static const SlirpCb slirp_cb = {
.output = net_slirp_output,
.guest_error = net_slirp_guest_error,
.clock_get_ns = net_slirp_clock_get_ns,
};
static int net_slirp_init(NetClientState *peer, const char *model,

2
slirp/if.c
View File

@ -148,7 +148,7 @@ diddit:
*/
void if_start(Slirp *slirp)
{
uint64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
uint64_t now = slirp->cb->clock_get_ns();
bool from_batchq = false;
struct mbuf *ifm, *ifm_next, *ifqt;

4
slirp/ip6_icmp.c
View File

@ -17,7 +17,7 @@ static void ra_timer_handler(void *opaque)
{
Slirp *slirp = opaque;
timer_mod(slirp->ra_timer,
qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + NDP_Interval);
slirp->cb->clock_get_ns() / SCALE_MS + NDP_Interval);
ndp_send_ra(slirp);
}
@ -31,7 +31,7 @@ void icmp6_init(Slirp *slirp)
SCALE_MS, QEMU_TIMER_ATTR_EXTERNAL,
ra_timer_handler, slirp);
timer_mod(slirp->ra_timer,
qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) + NDP_Interval);
slirp->cb->clock_get_ns() / SCALE_MS + NDP_Interval);
}
void icmp6_cleanup(Slirp *slirp)

2
slirp/libslirp.h
View File

@ -15,6 +15,8 @@ typedef struct SlirpCb {
void (*output)(void *opaque, const uint8_t *pkt, int pkt_len);
/* Print a message for an error due to guest misbehavior. */
void (*guest_error)(const char *msg);
/* Return the virtual clock value in nanoseconds */
int64_t (*clock_get_ns)(void);
} SlirpCb;

12
slirp/slirp.c
View File

@ -581,15 +581,15 @@ void slirp_pollfds_fill(GArray *pollfds, uint32_t *timeout)
void slirp_pollfds_poll(GArray *pollfds, int select_error)
{
Slirp *slirp;
Slirp *slirp = QTAILQ_FIRST(&slirp_instances);
struct socket *so, *so_next;
int ret;
if (QTAILQ_EMPTY(&slirp_instances)) {
if (!slirp) {
return;
}
curtime = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL);
curtime = slirp->cb->clock_get_ns() / SCALE_MS;
QTAILQ_FOREACH(slirp, &slirp_instances, entry) {
/*
@ -916,8 +916,7 @@ static int if_encap4(Slirp *slirp, struct mbuf *ifm, struct ethhdr *eh,
ifm->resolution_requested = true;
/* Expire request and drop outgoing packet after 1 second */
ifm->expiration_date =
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 1000000000ULL;
ifm->expiration_date = slirp->cb->clock_get_ns() + 1000000000ULL;
}
return 0;
} else {
@ -943,8 +942,7 @@ static int if_encap6(Slirp *slirp, struct mbuf *ifm, struct ethhdr *eh,
if (!ifm->resolution_requested) {
ndp_send_ns(slirp, ip6h->ip_dst);
ifm->resolution_requested = true;
ifm->expiration_date =
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 1000000000ULL;
ifm->expiration_date = slirp->cb->clock_get_ns() + 1000000000ULL;
}
return 0;
} else {