Signed-off-by: Yuri Benditovich <yuri.benditov...@daynix.com>
---
hw/net/virtio-net.c | 65 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 65 insertions(+)
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 3627bb1717..90b01221e9 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -71,6 +71,71 @@
#define VIRTIO_NET_IP6_ADDR_SIZE 32 /* ipv6 saddr + daddr */
#define VIRTIO_NET_MAX_IP6_PAYLOAD VIRTIO_NET_MAX_TCP_PAYLOAD
+/* TODO: remove after virtio-net header update */
+#if !defined(VIRTIO_NET_RSS_HASH_TYPE_IPv4)
+#define VIRTIO_NET_F_HASH_REPORT 57 /* Supports hash report */
+#define VIRTIO_NET_F_RSS 60 /* Supports RSS RX steering */
+
+/* supported/enabled hash types */
+#define VIRTIO_NET_RSS_HASH_TYPE_IPv4 (1 << 0)
+#define VIRTIO_NET_RSS_HASH_TYPE_TCPv4 (1 << 1)
+#define VIRTIO_NET_RSS_HASH_TYPE_UDPv4 (1 << 2)
+#define VIRTIO_NET_RSS_HASH_TYPE_IPv6 (1 << 3)
+#define VIRTIO_NET_RSS_HASH_TYPE_TCPv6 (1 << 4)
+#define VIRTIO_NET_RSS_HASH_TYPE_UDPv6 (1 << 5)
+#define VIRTIO_NET_RSS_HASH_TYPE_IP_EX (1 << 6)
+#define VIRTIO_NET_RSS_HASH_TYPE_TCP_EX (1 << 7)
+#define VIRTIO_NET_RSS_HASH_TYPE_UDP_EX (1 << 8)
+
+struct virtio_net_config_with_rss {
+ struct virtio_net_config cfg;
+ /* maximum size of RSS key */
+ uint8_t rss_max_key_size;
+ /* maximum number of indirection table entries */
+ uint16_t rss_max_indirection_table_length;
+ /* bitmask of supported VIRTIO_NET_RSS_HASH_ types */
+ uint32_t supported_hash_types;
+} QEMU_PACKED;
+
+struct virtio_net_hdr_v1_hash {
+ struct virtio_net_hdr_v1 hdr;
+ uint32_t hash_value;
+#define VIRTIO_NET_HASH_REPORT_NONE 0
+#define VIRTIO_NET_HASH_REPORT_IPv4 1
+#define VIRTIO_NET_HASH_REPORT_TCPv4 2
+#define VIRTIO_NET_HASH_REPORT_UDPv4 3
+#define VIRTIO_NET_HASH_REPORT_IPv6 4
+#define VIRTIO_NET_HASH_REPORT_TCPv6 5
+#define VIRTIO_NET_HASH_REPORT_UDPv6 6
+#define VIRTIO_NET_HASH_REPORT_IPv6_EX 7
+#define VIRTIO_NET_HASH_REPORT_TCPv6_EX 8
+#define VIRTIO_NET_HASH_REPORT_UDPv6_EX 9
+ uint16_t hash_report;
+ uint16_t padding;
+};
+
+/*
+ * The command VIRTIO_NET_CTRL_MQ_RSS_CONFIG has the same effect as
+ * VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET does and additionally configures
+ * the receive steering to use a hash calculated for incoming packet
+ * to decide on receive virtqueue to place the packet. The command
+ * also provides parameters to calculate a hash and receive virtqueue.
+ */
+struct virtio_net_rss_config {
+ uint32_t hash_types;
+ uint16_t indirection_table_mask;
+ uint16_t unclassified_queue;
+ uint16_t indirection_table[1/* + indirection_table_mask */];
+ uint16_t max_tx_vq;
+ uint8_t hash_key_length;
+ uint8_t hash_key_data[/* hash_key_length */];
+};
+
+#define VIRTIO_NET_CTRL_MQ_RSS_CONFIG 1
+#define VIRTIO_NET_CTRL_MQ_HASH_CONFIG 2
+
+#endif
+
/* Purge coalesced packets timer interval, This value affects the performance
a lot, and should be tuned carefully, '300000'(300us) is the recommended
value to pass the WHQL test, '50000' can gain 2x netperf throughput with
--
2.17.1
