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NetRxPkt: Account buffer with ETH header in IOV length

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In case of VLAN stripping ETH header is stored in a
separate chunk and length of IOV should take this into
account.

This patch fixes checksum validation for RX packets
with VLAN header.

Devices affected by this problem: e1000e and vmxnet3.

Cc: qemu-stable@nongnu.org
Signed-off-by: Dmitry Fleytman <dmitry@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Dmitry Fleytman 2017-02-16 14:29:35 +02:00 committed by Jason Wang
parent d5e772146d
commit c5d083c561
1 changed files with 1 additions and 1 deletions
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2
hw/net/net_rx_pkt.c
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@ -97,7 +97,7 @@ net_rx_pkt_pull_data(struct NetRxPkt *pkt,
pkt->tot_len = iov_size(iov, iovcnt) - ploff + pkt->ehdr_buf_len;
pkt->vec_len = iov_copy(pkt->vec + 1, pkt->vec_len_total - 1,
iov, iovcnt, ploff,
pkt->tot_len - pkt->ehdr_buf_len);
pkt->tot_len - pkt->ehdr_buf_len) + 1;
} else {
net_rx_pkt_iovec_realloc(pkt, iovcnt);