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[Qemu-devel] [PATCH 09/13] net: return status from qemu_deliver_packet()
From: |
Mark McLoughlin |
Subject: |
[Qemu-devel] [PATCH 09/13] net: return status from qemu_deliver_packet() |
Date: |
Tue, 19 May 2009 10:55:31 +0100 |
Will allow qemu_send_packet() handle queue full condition.
Signed-off-by: Mark McLoughlin <address@hidden>
---
net.c | 20 +++++++++++++++++---
1 files changed, 17 insertions(+), 3 deletions(-)
diff --git a/net.c b/net.c
index 7d0a428..07bf8d8 100644
--- a/net.c
+++ b/net.c
@@ -409,16 +409,30 @@ int qemu_can_send_packet(VLANClientState *sender)
return 0;
}
-static void
+static int
qemu_deliver_packet(VLANClientState *sender, const uint8_t *buf, int size)
{
VLANClientState *vc;
+ int ret = -1;
for (vc = sender->vlan->first_client; vc != NULL; vc = vc->next) {
- if (vc != sender && !vc->link_down) {
- vc->receive(vc, buf, size);
+ ssize_t len;
+
+ if (vc == sender) {
+ continue;
+ }
+
+ if (vc->link_down) {
+ ret = size;
+ continue;
}
+
+ len = vc->receive(vc, buf, size);
+
+ ret = (ret >= 0) ? ret : len;
}
+
+ return ret;
}
void qemu_send_packet(VLANClientState *vc, const uint8_t *buf, int size)
--
1.6.0.6
- [Qemu-devel] [PATCH 0/13] Add generic packet buffering API, Mark McLoughlin, 2009/05/19
- [Qemu-devel] [PATCH 01/13] net: factor tap_read_packet() out of tap_send(), Mark McLoughlin, 2009/05/19
- [Qemu-devel] [PATCH 02/13] net: move the tap buffer into TAPState, Mark McLoughlin, 2009/05/19
- [Qemu-devel] [PATCH 03/13] net: vlan clients with no fd_can_read() can always receive, Mark McLoughlin, 2009/05/19
- [Qemu-devel] [PATCH 04/13] net: only read from tapfd when we can send, Mark McLoughlin, 2009/05/19
- [Qemu-devel] [PATCH 05/13] net: add fd_readv() handler to qemu_new_vlan_client() args, Mark McLoughlin, 2009/05/19
- [Qemu-devel] [PATCH 06/13] net: re-name vc->fd_read() to vc->receive(), Mark McLoughlin, 2009/05/19
- [Qemu-devel] [PATCH 07/13] net: pass VLANClientState* as first arg to receive handlers, Mark McLoughlin, 2009/05/19
- [Qemu-devel] [PATCH 08/13] net: add return value to packet receive handler, Mark McLoughlin, 2009/05/19
- [Qemu-devel] [PATCH 09/13] net: return status from qemu_deliver_packet(),
Mark McLoughlin <=
- [Qemu-devel] [PATCH 10/13] net: split out packet queueing and flushing into separate functions, Mark McLoughlin, 2009/05/22
- [Qemu-devel] [PATCH 11/13] net: add qemu_send_packet_async(), Mark McLoughlin, 2009/05/22
- [Qemu-devel] [PATCH 12/13] net: make use of async packet sending API in tap client, Mark McLoughlin, 2009/05/22
- [Qemu-devel] [PATCH 13/13] virtio-net: implement rx packet queueing, Mark McLoughlin, 2009/05/22
Re: [Qemu-devel] [PATCH 0/13] Add generic packet buffering API, Avi Kivity, 2009/05/19
[Qemu-devel] Re: [PATCH 0/13] Add generic packet buffering API, Anthony Liguori, 2009/05/22