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charset="utf-8" The virtio_net_hdr_v1_hash layout changed in the Linux UAPI, replacing the 32-bit hash_value field with two 16-bit fields, hash_value_lo and hash_value_hi. Update hash handling to populate the new fields correctly and adjust offset and size calculations accordingly. Cc: Michael S. Tsirkin Cc: Jason Wang Signed-off-by: Shameer Kolothum Reviewed-by: C=C3=A9dric Le Goater --- hw/net/virtio-net.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 317f1ad23b..512a7c02c9 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -1879,7 +1879,8 @@ static int virtio_net_process_rss(NetClientState *nc,= const uint8_t *buf, n->rss_data.runtime_hash_type= s); if (net_hash_type > NetPktRssIpV6UdpEx) { if (n->rss_data.populate_hash) { - hdr->hash_value =3D VIRTIO_NET_HASH_REPORT_NONE; + hdr->hash_value_lo =3D VIRTIO_NET_HASH_REPORT_NONE; + hdr->hash_value_hi =3D VIRTIO_NET_HASH_REPORT_NONE; hdr->hash_report =3D 0; } return n->rss_data.redirect ? n->rss_data.default_queue : -1; @@ -1888,7 +1889,8 @@ static int virtio_net_process_rss(NetClientState *nc,= const uint8_t *buf, hash =3D net_rx_pkt_calc_rss_hash(pkt, net_hash_type, n->rss_data.key); =20 if (n->rss_data.populate_hash) { - hdr->hash_value =3D hash; + hdr->hash_value_lo =3D cpu_to_le16(hash & 0xffff); + hdr->hash_value_hi =3D cpu_to_le16((hash >> 16) & 0xffff); hdr->hash_report =3D reports[net_hash_type]; } =20 @@ -1990,10 +1992,11 @@ static ssize_t virtio_net_receive_rcu(NetClientStat= e *nc, const uint8_t *buf, =20 receive_header(n, sg, elem->in_num, buf, size); if (n->rss_data.populate_hash) { - offset =3D offsetof(typeof(extra_hdr), hash_value); + offset =3D offsetof(typeof(extra_hdr), hash_value_lo); iov_from_buf(sg, elem->in_num, offset, (char *)&extra_hdr + offset, - sizeof(extra_hdr.hash_value) + + sizeof(extra_hdr.hash_value_lo) + + sizeof(extra_hdr.hash_value_hi) + sizeof(extra_hdr.hash_report)); } offset =3D n->host_hdr_len; --=20 2.43.0