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Diffstat (limited to 'hw/net/virtio-net.c')
-rw-r--r--hw/net/virtio-net.c85
1 files changed, 51 insertions, 34 deletions
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 09d5c7a664..53e1c32643 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -1746,39 +1746,61 @@ static int receive_filter(VirtIONet *n, const uint8_t *buf, int size)
return 0;
}
-static uint8_t virtio_net_get_hash_type(bool isip4,
- bool isip6,
- bool isudp,
- bool istcp,
+static uint8_t virtio_net_get_hash_type(bool hasip4,
+ bool hasip6,
+ EthL4HdrProto l4hdr_proto,
uint32_t types)
{
- if (isip4) {
- if (istcp && (types & VIRTIO_NET_RSS_HASH_TYPE_TCPv4)) {
- return NetPktRssIpV4Tcp;
- }
- if (isudp && (types & VIRTIO_NET_RSS_HASH_TYPE_UDPv4)) {
- return NetPktRssIpV4Udp;
+ if (hasip4) {
+ switch (l4hdr_proto) {
+ case ETH_L4_HDR_PROTO_TCP:
+ if (types & VIRTIO_NET_RSS_HASH_TYPE_TCPv4) {
+ return NetPktRssIpV4Tcp;
+ }
+ break;
+
+ case ETH_L4_HDR_PROTO_UDP:
+ if (types & VIRTIO_NET_RSS_HASH_TYPE_UDPv4) {
+ return NetPktRssIpV4Udp;
+ }
+ break;
+
+ default:
+ break;
}
+
if (types & VIRTIO_NET_RSS_HASH_TYPE_IPv4) {
return NetPktRssIpV4;
}
- } else if (isip6) {
- uint32_t mask = VIRTIO_NET_RSS_HASH_TYPE_TCP_EX |
- VIRTIO_NET_RSS_HASH_TYPE_TCPv6;
+ } else if (hasip6) {
+ switch (l4hdr_proto) {
+ case ETH_L4_HDR_PROTO_TCP:
+ if (types & VIRTIO_NET_RSS_HASH_TYPE_TCP_EX) {
+ return NetPktRssIpV6TcpEx;
+ }
+ if (types & VIRTIO_NET_RSS_HASH_TYPE_TCPv6) {
+ return NetPktRssIpV6Tcp;
+ }
+ break;
+
+ case ETH_L4_HDR_PROTO_UDP:
+ if (types & VIRTIO_NET_RSS_HASH_TYPE_UDP_EX) {
+ return NetPktRssIpV6UdpEx;
+ }
+ if (types & VIRTIO_NET_RSS_HASH_TYPE_UDPv6) {
+ return NetPktRssIpV6Udp;
+ }
+ break;
- if (istcp && (types & mask)) {
- return (types & VIRTIO_NET_RSS_HASH_TYPE_TCP_EX) ?
- NetPktRssIpV6TcpEx : NetPktRssIpV6Tcp;
+ default:
+ break;
}
- mask = VIRTIO_NET_RSS_HASH_TYPE_UDP_EX | VIRTIO_NET_RSS_HASH_TYPE_UDPv6;
- if (isudp && (types & mask)) {
- return (types & VIRTIO_NET_RSS_HASH_TYPE_UDP_EX) ?
- NetPktRssIpV6UdpEx : NetPktRssIpV6Udp;
+
+ if (types & VIRTIO_NET_RSS_HASH_TYPE_IP_EX) {
+ return NetPktRssIpV6Ex;
}
- mask = VIRTIO_NET_RSS_HASH_TYPE_IP_EX | VIRTIO_NET_RSS_HASH_TYPE_IPv6;
- if (types & mask) {
- return (types & VIRTIO_NET_RSS_HASH_TYPE_IP_EX) ?
- NetPktRssIpV6Ex : NetPktRssIpV6;
+ if (types & VIRTIO_NET_RSS_HASH_TYPE_IPv6) {
+ return NetPktRssIpV6;
}
}
return 0xff;
@@ -1800,7 +1822,8 @@ static int virtio_net_process_rss(NetClientState *nc, const uint8_t *buf,
struct NetRxPkt *pkt = n->rx_pkt;
uint8_t net_hash_type;
uint32_t hash;
- bool isip4, isip6, isudp, istcp;
+ bool hasip4, hasip6;
+ EthL4HdrProto l4hdr_proto;
static const uint8_t reports[NetPktRssIpV6UdpEx + 1] = {
VIRTIO_NET_HASH_REPORT_IPv4,
VIRTIO_NET_HASH_REPORT_TCPv4,
@@ -1815,14 +1838,8 @@ static int virtio_net_process_rss(NetClientState *nc, const uint8_t *buf,
net_rx_pkt_set_protocols(pkt, buf + n->host_hdr_len,
size - n->host_hdr_len);
- net_rx_pkt_get_protocols(pkt, &isip4, &isip6, &isudp, &istcp);
- if (isip4 && (net_rx_pkt_get_ip4_info(pkt)->fragment)) {
- istcp = isudp = false;
- }
- if (isip6 && (net_rx_pkt_get_ip6_info(pkt)->fragment)) {
- istcp = isudp = false;
- }
- net_hash_type = virtio_net_get_hash_type(isip4, isip6, isudp, istcp,
+ 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);
if (net_hash_type > NetPktRssIpV6UdpEx) {
if (n->rss_data.populate_hash) {
@@ -3718,7 +3735,7 @@ static void virtio_net_device_realize(DeviceState *dev, Error **errp)
QTAILQ_INIT(&n->rsc_chains);
n->qdev = dev;
- net_rx_pkt_init(&n->rx_pkt, false);
+ net_rx_pkt_init(&n->rx_pkt);
if (virtio_has_feature(n->host_features, VIRTIO_NET_F_RSS)) {
virtio_net_load_ebpf(n);