From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:59403) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ShHRv-0002Af-Sh for qemu-devel@nongnu.org; Wed, 20 Jun 2012 05:43:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ShHRt-0002T6-IO for qemu-devel@nongnu.org; Wed, 20 Jun 2012 05:43:43 -0400 Received: from e39.co.us.ibm.com ([32.97.110.160]:36722) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ShHRt-0002Sj-C6 for qemu-devel@nongnu.org; Wed, 20 Jun 2012 05:43:41 -0400 Received: from /spool/local by e39.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 20 Jun 2012 03:43:39 -0600 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by d01dlp03.pok.ibm.com (Postfix) with ESMTP id E9649C90050 for ; Wed, 20 Jun 2012 05:43:35 -0400 (EDT) Received: from d03av03.boulder.ibm.com (d03av03.boulder.ibm.com [9.17.195.169]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q5K9ha6C230802 for ; Wed, 20 Jun 2012 05:43:37 -0400 Received: from d03av03.boulder.ibm.com (loopback [127.0.0.1]) by d03av03.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q5K9haW5024668 for ; Wed, 20 Jun 2012 03:43:36 -0600 From: zwu.kernel@gmail.com Date: Wed, 20 Jun 2012 17:42:19 +0800 Message-Id: <1340185341-30803-16-git-send-email-zwu.kernel@gmail.com> In-Reply-To: <1340185341-30803-1-git-send-email-zwu.kernel@gmail.com> References: <1340185341-30803-1-git-send-email-zwu.kernel@gmail.com> Subject: [Qemu-devel] [PATCH v6 15/17] net: determine if packets can be sent before net queue deliver packets List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, aliguori@us.ibm.com, Zhi Yong Wu , stefanha@linux.vnet.ibm.com, jan.kiszka@siemens.com From: Zhi Yong Wu Reviewed-by: Paolo Bonzini Signed-off-by: Zhi Yong Wu --- net/queue.c | 8 ++++---- net/slirp.c | 7 ------- slirp/if.c | 5 ----- slirp/libslirp.h | 1 - 4 files changed, 4 insertions(+), 17 deletions(-) diff --git a/net/queue.c b/net/queue.c index 0afd783..7484d2a 100644 --- a/net/queue.c +++ b/net/queue.c @@ -176,8 +176,8 @@ ssize_t qemu_net_queue_send(NetQueue *queue, { ssize_t ret; - if (queue->delivering) { - return qemu_net_queue_append(queue, sender, flags, data, size, NULL); + if (queue->delivering || !qemu_can_send_packet(sender)) { + return qemu_net_queue_append(queue, sender, flags, data, size, sent_cb); } ret = qemu_net_queue_deliver(queue, sender, flags, data, size); @@ -200,8 +200,8 @@ ssize_t qemu_net_queue_send_iov(NetQueue *queue, { ssize_t ret; - if (queue->delivering) { - return qemu_net_queue_append_iov(queue, sender, flags, iov, iovcnt, NULL); + if (queue->delivering || !qemu_can_send_packet(sender)) { + return qemu_net_queue_append_iov(queue, sender, flags, iov, iovcnt, sent_cb); } ret = qemu_net_queue_deliver_iov(queue, sender, flags, iov, iovcnt); diff --git a/net/slirp.c b/net/slirp.c index 2df50a8..1e5cabb 100644 --- a/net/slirp.c +++ b/net/slirp.c @@ -96,13 +96,6 @@ static void slirp_smb_cleanup(SlirpState *s); static inline void slirp_smb_cleanup(SlirpState *s) { } #endif -int slirp_can_output(void *opaque) -{ - SlirpState *s = opaque; - - return qemu_can_send_packet(&s->nc); -} - void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len) { SlirpState *s = opaque; diff --git a/slirp/if.c b/slirp/if.c index 096cf6f..533295d 100644 --- a/slirp/if.c +++ b/slirp/if.c @@ -177,11 +177,6 @@ void if_start(Slirp *slirp) } while (ifm_next) { - /* check if we can really output */ - if (!slirp_can_output(slirp->opaque)) { - break; - } - ifm = ifm_next; from_batchq = next_from_batchq; diff --git a/slirp/libslirp.h b/slirp/libslirp.h index 77527ad..9b471b5 100644 --- a/slirp/libslirp.h +++ b/slirp/libslirp.h @@ -25,7 +25,6 @@ void slirp_select_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, void slirp_input(Slirp *slirp, const uint8_t *pkt, int pkt_len); /* you must provide the following functions: */ -int slirp_can_output(void *opaque); void slirp_output(void *opaque, const uint8_t *pkt, int pkt_len); int slirp_add_hostfwd(Slirp *slirp, int is_udp, -- 1.7.6