From patchwork Tue Dec 18 23:04:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Samuel Thibault X-Patchwork-Id: 10736655 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 19A14924 for ; Wed, 19 Dec 2018 00:03:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 085AF2847B for ; Wed, 19 Dec 2018 00:03:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F08D12855D; Wed, 19 Dec 2018 00:03:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 841942847B for ; Wed, 19 Dec 2018 00:03:56 +0000 (UTC) Received: from localhost ([::1]:56977 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gZPL9-0005fL-Qf for patchwork-qemu-devel@patchwork.kernel.org; Tue, 18 Dec 2018 19:03:55 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41062) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gZORZ-0000i8-8v for qemu-devel@nongnu.org; Tue, 18 Dec 2018 18:06:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gZORX-0005H6-Qc for qemu-devel@nongnu.org; Tue, 18 Dec 2018 18:06:29 -0500 Received: from hera.aquilenet.fr ([2a0c:e300::1]:57928) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gZORX-00051M-B1 for qemu-devel@nongnu.org; Tue, 18 Dec 2018 18:06:27 -0500 Received: from localhost (localhost [127.0.0.1]) by hera.aquilenet.fr (Postfix) with ESMTP id 6028928BF; Wed, 19 Dec 2018 00:05:23 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at aquilenet.fr Received: from hera.aquilenet.fr ([127.0.0.1]) by localhost (hera.aquilenet.fr [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 98R8Xbl3ZQwe; Wed, 19 Dec 2018 00:05:22 +0100 (CET) Received: from function.home (unknown [IPv6:2a01:cb19:181:c200:9eb6:d0ff:fe88:c3c7]) by hera.aquilenet.fr (Postfix) with ESMTPSA id BEAA12932; Wed, 19 Dec 2018 00:04:47 +0100 (CET) Received: from samy by function.home with local (Exim 4.91) (envelope-from ) id 1gZOPt-0007MB-Et; Wed, 19 Dec 2018 00:04:45 +0100 From: Samuel Thibault To: qemu-devel@nongnu.org, peter.maydell@linaro.org Date: Wed, 19 Dec 2018 00:04:38 +0100 Message-Id: <20181218230442.27887-61-samuel.thibault@ens-lyon.org> X-Mailer: git-send-email 2.19.2 In-Reply-To: <20181218230442.27887-1-samuel.thibault@ens-lyon.org> References: <20181218230442.27887-1-samuel.thibault@ens-lyon.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a0c:e300::1 Subject: [Qemu-devel] [PULL 60/64] 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: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Samuel Thibault , stefanha@redhat.com, jan.kiszka@siemens.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Marc-André Lureau Signed-off-by: Marc-André Lureau Signed-off-by: Samuel Thibault --- net/slirp.c | 6 ++++++ slirp/if.c | 2 +- slirp/ip6_icmp.c | 4 ++-- slirp/libslirp.h | 2 ++ slirp/slirp.c | 12 +++++------- 5 files changed, 16 insertions(+), 10 deletions(-) diff --git a/net/slirp.c b/net/slirp.c index 4d890287ba..0c06d6f3c1 100644 --- a/net/slirp.c +++ b/net/slirp.c @@ -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, 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 = 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; diff --git a/slirp/ip6_icmp.c b/slirp/ip6_icmp.c index 97304a9dd9..5261baae27 100644 --- a/slirp/ip6_icmp.c +++ b/slirp/ip6_icmp.c @@ -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) diff --git a/slirp/libslirp.h b/slirp/libslirp.h index 3e0aa19f4b..4611a7447b 100644 --- a/slirp/libslirp.h +++ b/slirp/libslirp.h @@ -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; diff --git a/slirp/slirp.c b/slirp/slirp.c index 6a4d506d49..dcab564a79 100644 --- a/slirp/slirp.c +++ b/slirp/slirp.c @@ -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 {