[Qemu-devel] [PATCH for-3.2 08/41] slirp: add callbacks for timer

["Marc-André Lureau" <marcandre.lureau@redhat.com>]

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 slirp/libslirp.h |  6 ++++++
 slirp/slirp.h    |  2 +-
 net/slirp.c      | 23 +++++++++++++++++++++++
 slirp/ip6_icmp.c | 21 ++++++++++-----------
 4 files changed, 40 insertions(+), 12 deletions(-)

diff --git a/slirp/libslirp.h b/slirp/libslirp.h
index fcebcd1e58..88185e6c33 100644
--- a/slirp/libslirp.h
+++ b/slirp/libslirp.h
@@ -10,10 +10,16 @@ typedef enum SlirpClockType {
     SLIRP_CLOCK_REALTIME,
 } SlirpClockType;
 
+typedef void (*SlirpTimerCb)(void *opaque);
+
 typedef struct SlirpCb {
     void (*output)(void *opaque, const uint8_t *pkt, int pkt_len);
     int (*chr_write_all)(void *chr, const void *buf, size_t len);
     int64_t (*clock_get_ns)(SlirpClockType type);
+    void *(*timer_new)(SlirpClockType type, int scale,
+                      SlirpTimerCb cb, void *opaque);
+    void (*timer_free)(void *timer);
+    void (*timer_mod)(void *timer, int64_t expire_timer);
 } SlirpCb;
 
 
diff --git a/slirp/slirp.h b/slirp/slirp.h
index f7c087456a..e5abf1c594 100644
--- a/slirp/slirp.h
+++ b/slirp/slirp.h
@@ -218,7 +218,7 @@ struct Slirp {
     NdpTable ndp_table;
 
     GRand *grand;
-    QEMUTimer *ra_timer;
+    void *ra_timer;
 
     const SlirpCb *cb;
     void *opaque;
diff --git a/net/slirp.c b/net/slirp.c
index af6c643b82..7b28886802 100644
--- a/net/slirp.c
+++ b/net/slirp.c
@@ -163,10 +163,33 @@ static int64_t net_slirp_clock_get_ns(SlirpClockType type)
     return qemu_clock_get_ns(slirp_clock_to_qemu(type));
 }
 
+static void *net_slirp_timer_new(SlirpClockType type,
+                                 int scale,
+                                 SlirpTimerCb cb, void *opaque)
+{
+    return timer_new_full(NULL, slirp_clock_to_qemu(type),
+                          scale, QEMU_TIMER_ATTR_EXTERNAL,
+                          cb, opaque);
+}
+
+static void net_slirp_timer_free(void *timer)
+{
+    timer_del(timer);
+    timer_free(timer);
+}
+
+static void net_slirp_timer_mod(void *timer, int64_t expire_timer)
+{
+    timer_mod(timer, expire_timer);
+}
+
 static SlirpCb slirp_cb = {
     .output = net_slirp_output,
     .chr_write_all = net_slirp_chr_write_all,
     .clock_get_ns = net_slirp_clock_get_ns,
+    .timer_new = net_slirp_timer_new,
+    .timer_free = net_slirp_timer_free,
+    .timer_mod = net_slirp_timer_mod,
 };
 
 static int net_slirp_init(NetClientState *peer, const char *model,
diff --git a/slirp/ip6_icmp.c b/slirp/ip6_icmp.c
index 0f80d49ef9..71d95daef0 100644
--- a/slirp/ip6_icmp.c
+++ b/slirp/ip6_icmp.c
@@ -16,9 +16,10 @@
 static void ra_timer_handler(void *opaque)
 {
     Slirp *slirp = opaque;
-    timer_mod(slirp->ra_timer,
-              slirp->cb->clock_get_ns(SLIRP_CLOCK_VIRTUAL) / SCALE_MS +
-              NDP_Interval);
+
+    slirp->cb->timer_mod(slirp->ra_timer,
+        slirp->cb->clock_get_ns(SLIRP_CLOCK_VIRTUAL) / SCALE_MS +
+        NDP_Interval);
     ndp_send_ra(slirp);
 }
 
@@ -28,12 +29,11 @@ void icmp6_init(Slirp *slirp)
         return;
     }
 
-    slirp->ra_timer = timer_new_full(NULL, QEMU_CLOCK_VIRTUAL,
-                                     SCALE_MS, QEMU_TIMER_ATTR_EXTERNAL,
-                                     ra_timer_handler, slirp);
-    timer_mod(slirp->ra_timer,
-              slirp->cb->clock_get_ns(SLIRP_CLOCK_VIRTUAL) / SCALE_MS +
-              NDP_Interval);
+    slirp->ra_timer = slirp->cb->timer_new(SLIRP_CLOCK_VIRTUAL, SCALE_MS,
+                                           ra_timer_handler, slirp);
+    slirp->cb->timer_mod(slirp->ra_timer,
+        slirp->cb->clock_get_ns(SLIRP_CLOCK_VIRTUAL) / SCALE_MS +
+        NDP_Interval);
 }
 
 void icmp6_cleanup(Slirp *slirp)
@@ -42,8 +42,7 @@ void icmp6_cleanup(Slirp *slirp)
         return;
     }
 
-    timer_del(slirp->ra_timer);
-    timer_free(slirp->ra_timer);
+    slirp->cb->timer_free(slirp->ra_timer);
 }
 
 static void icmp6_send_echoreply(struct mbuf *m, Slirp *slirp, struct ip6 *ip,
-- 
2.19.1.708.g4ede3d42df