From e0e7877a0a522d12d0fa6afd7959d3ca5cac73ff Mon Sep 17 00:00:00 2001 From: aliguori Date: Mon, 26 Jan 2009 15:37:44 +0000 Subject: Handle link status in qemu_sendv_packet() (Mark McLoughlin) If link is down, pretend that the packet has been successfully sent. Signed-off-by: Mark McLoughlin Signed-off-by: Anthony Liguori git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6444 c046a42c-6fe2-441c-8c8c-71466251a162 --- net.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'net.c') diff --git a/net.c b/net.c index 86ee7d540d..8d9b3de253 100644 --- a/net.c +++ b/net.c @@ -421,6 +421,16 @@ static ssize_t vc_sendv_compat(VLANClientState *vc, const struct iovec *iov, return offset; } +static ssize_t calc_iov_length(const struct iovec *iov, int iovcnt) +{ + size_t offset = 0; + int i; + + for (i = 0; i < iovcnt; i++) + offset += iov[i].iov_len; + return offset; +} + ssize_t qemu_sendv_packet(VLANClientState *vc1, const struct iovec *iov, int iovcnt) { @@ -428,12 +438,17 @@ ssize_t qemu_sendv_packet(VLANClientState *vc1, const struct iovec *iov, VLANClientState *vc; ssize_t max_len = 0; + if (vc1->link_down) + return calc_iov_length(iov, iovcnt); + for (vc = vlan->first_client; vc != NULL; vc = vc->next) { ssize_t len = 0; if (vc == vc1) continue; + if (vc->link_down) + len = calc_iov_length(iov, iovcnt); if (vc->fd_readv) len = vc->fd_readv(vc->opaque, iov, iovcnt); else if (vc->fd_read) -- cgit v1.2.3