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Diffstat (limited to 'net/dump.c')
-rw-r--r--net/dump.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/net/dump.c b/net/dump.c
index 6a63b15359..7d05f16ca7 100644
--- a/net/dump.c
+++ b/net/dump.c
@@ -61,12 +61,13 @@ struct pcap_sf_pkthdr {
uint32_t len;
};
-static ssize_t dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt)
+static ssize_t dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt,
+ int offset)
{
struct pcap_sf_pkthdr hdr;
int64_t ts;
int caplen;
- size_t size = iov_size(iov, cnt);
+ size_t size = iov_size(iov, cnt) - offset;
struct iovec dumpiov[cnt + 1];
/* Early return in case of previous error. */
@@ -84,7 +85,7 @@ static ssize_t dump_receive_iov(DumpState *s, const struct iovec *iov, int cnt)
dumpiov[0].iov_base = &hdr;
dumpiov[0].iov_len = sizeof(hdr);
- cnt = iov_copy(&dumpiov[1], cnt, iov, cnt, 0, caplen);
+ cnt = iov_copy(&dumpiov[1], cnt, iov, cnt, offset, caplen);
if (writev(s->fd, dumpiov, cnt + 1) != sizeof(hdr) + caplen) {
error_report("network dump write error - stopping dump");
@@ -153,8 +154,10 @@ static ssize_t filter_dump_receive_iov(NetFilterState *nf, NetClientState *sndr,
int iovcnt, NetPacketSent *sent_cb)
{
NetFilterDumpState *nfds = FILTER_DUMP(nf);
+ int offset = qemu_get_using_vnet_hdr(nf->netdev) ?
+ qemu_get_vnet_hdr_len(nf->netdev) : 0;
- dump_receive_iov(&nfds->ds, iov, iovcnt);
+ dump_receive_iov(&nfds->ds, iov, iovcnt, offset);
return 0;
}