[Qemu-devel] [PATCH v2 for-3.2 v2 10/30] slirp: use virtual time for packet expiration

[Marc-André Lureau]

Make all packets expiration time based on virtual clock.

Suggested-by: Paolo Bonzini <address@hidden>
Signed-off-by: Marc-André Lureau <address@hidden>
---
 slirp/if.c    | 2 +-
 slirp/slirp.c | 7 ++++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/slirp/if.c b/slirp/if.c
index aa88cc4e76..ce4f5fac53 100644
--- a/slirp/if.c
+++ b/slirp/if.c
@@ -148,7 +148,7 @@ diddit:
  */
 void if_start(Slirp *slirp)
 {
-    uint64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
+    uint64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
     bool from_batchq = false;
     struct mbuf *ifm, *ifm_next, *ifqt;
 
diff --git a/slirp/slirp.c b/slirp/slirp.c
index cc361885ed..9ace0e3d4b 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -581,7 +581,7 @@ void slirp_pollfds_poll(GArray *pollfds, int select_error)
         return;
     }
 
-    curtime = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
+    curtime = qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL);
 
     QTAILQ_FOREACH(slirp, &slirp_instances, entry) {
         /*
@@ -908,7 +908,8 @@ 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_REALTIME) + 
1000000000ULL;
+            ifm->expiration_date =
+                qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 1000000000ULL;
         }
         return 0;
     } else {
@@ -935,7 +936,7 @@ static int if_encap6(Slirp *slirp, struct mbuf *ifm, struct 
ethhdr *eh,
             ndp_send_ns(slirp, ip6h->ip_dst);
             ifm->resolution_requested = true;
             ifm->expiration_date =
-                qemu_clock_get_ns(QEMU_CLOCK_REALTIME) + 1000000000ULL;
+                qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 1000000000ULL;
         }
         return 0;
     } else {
-- 
2.20.0.rc1