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net/net_rx_pkt: Use iovec for net_rx_pkt_set_protocols()

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igb does not properly ensure the buffer passed to
net_rx_pkt_set_protocols() is contiguous for the entire L2/L3/L4 header.
Allow it to pass scattered data to net_rx_pkt_set_protocols().

Fixes: 3a977deebe ("Intrdocue igb device emulation")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Akihiko Odaki 2023-05-23 11:42:58 +09:00 • committed by Jason Wang
parent f0b1df5c45
commit 2f0fa232b8
7 changed files with 34 additions and 30 deletions
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7
hw/net/virtio-net.c
View file

@ -1834,9 +1834,12 @@ static int virtio_net_process_rss(NetClientState *nc, const uint8_t *buf,
VIRTIO_NET_HASH_REPORT_UDPv6,
VIRTIO_NET_HASH_REPORT_UDPv6_EX
};
struct iovec iov = {
.iov_base = (void *)buf,
.iov_len = size
};
net_rx_pkt_set_protocols(pkt, buf + n->host_hdr_len,
size - n->host_hdr_len);
net_rx_pkt_set_protocols(pkt, &iov, 1, n->host_hdr_len);
net_rx_pkt_get_protocols(pkt, &hasip4, &hasip6, &l4hdr_proto);
net_hash_type = virtio_net_get_hash_type(hasip4, hasip6, l4hdr_proto,
n->rss_data.hash_types);