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Wed, 21 Nov 2018 22:08:14 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2 for-3.2 v2 11/30] slirp: add clock_get_ns() callback X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Li Zhijian , Jan Kiszka , Jason Wang , Zhang Chen , Samuel Thibault , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Signed-off-by: Marc-Andr=C3=A9 Lureau --- slirp/libslirp.h | 2 ++ net/slirp.c | 6 ++++++ slirp/if.c | 2 +- slirp/ip6_icmp.c | 4 ++-- slirp/slirp.c | 12 +++++------- 5 files changed, 16 insertions(+), 10 deletions(-) diff --git a/slirp/libslirp.h b/slirp/libslirp.h index d7c2b1ae71..ea019828e8 100644 --- a/slirp/libslirp.h +++ b/slirp/libslirp.h @@ -17,6 +17,8 @@ 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; =20 =20 diff --git a/net/slirp.c b/net/slirp.c index 6eeb54d7b1..c7062b51c2 100644 --- a/net/slirp.c +++ b/net/slirp.c @@ -163,9 +163,15 @@ static void net_slirp_guest_error(const char *msg) qemu_log_mask(LOG_GUEST_ERROR, "%s", msg); } =20 +static int64_t net_slirp_clock_get_ns(void) +{ + return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); +} + static const SlirpCb slirp_cb =3D { .output =3D net_slirp_output, .guest_error =3D net_slirp_guest_error, + .clock_get_ns =3D net_slirp_clock_get_ns, }; =20 static int net_slirp_init(NetClientState *peer, const char *model, diff --git a/slirp/if.c b/slirp/if.c index ce4f5fac53..73e3705740 100644 --- a/slirp/if.c +++ b/slirp/if.c @@ -148,7 +148,7 @@ diddit: */ void if_start(Slirp *slirp) { - uint64_t now =3D qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + uint64_t now =3D slirp->cb->clock_get_ns(); bool from_batchq =3D false; struct mbuf *ifm, *ifm_next, *ifqt; =20 diff --git a/slirp/ip6_icmp.c b/slirp/ip6_icmp.c index 595a62c8d4..6e2d952f17 100644 --- a/slirp/ip6_icmp.c +++ b/slirp/ip6_icmp.c @@ -17,7 +17,7 @@ static void ra_timer_handler(void *opaque) { Slirp *slirp =3D 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); } =20 @@ -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); } =20 void icmp6_cleanup(Slirp *slirp) diff --git a/slirp/slirp.c b/slirp/slirp.c index 9ace0e3d4b..76b1f2f3e0 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -573,15 +573,15 @@ void slirp_pollfds_fill(GArray *pollfds, uint32_t *ti= meout) =20 void slirp_pollfds_poll(GArray *pollfds, int select_error) { - Slirp *slirp; + Slirp *slirp =3D QTAILQ_FIRST(&slirp_instances); struct socket *so, *so_next; int ret; =20 - if (QTAILQ_EMPTY(&slirp_instances)) { + if (!slirp) { return; } =20 - curtime =3D qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL); + curtime =3D slirp->cb->clock_get_ns() / SCALE_MS; =20 QTAILQ_FOREACH(slirp, &slirp_instances, entry) { /* @@ -908,8 +908,7 @@ static int if_encap4(Slirp *slirp, struct mbuf *ifm, st= ruct ethhdr *eh, ifm->resolution_requested =3D true; =20 /* Expire request and drop outgoing packet after 1 second */ - ifm->expiration_date =3D - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 1000000000ULL; + ifm->expiration_date =3D slirp->cb->clock_get_ns() + 100000000= 0ULL; } return 0; } else { @@ -935,8 +934,7 @@ static int if_encap6(Slirp *slirp, struct mbuf *ifm, st= ruct ethhdr *eh, if (!ifm->resolution_requested) { ndp_send_ns(slirp, ip6h->ip_dst); ifm->resolution_requested =3D true; - ifm->expiration_date =3D - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + 1000000000ULL; + ifm->expiration_date =3D slirp->cb->clock_get_ns() + 100000000= 0ULL; } return 0; } else { --=20 2.20.0.rc1