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Diffstat (limited to 'src/vnet/devices/virtio/pci.h')
-rw-r--r--src/vnet/devices/virtio/pci.h82
1 files changed, 75 insertions, 7 deletions
diff --git a/src/vnet/devices/virtio/pci.h b/src/vnet/devices/virtio/pci.h
index 5eb80f823be..745ad6fce87 100644
--- a/src/vnet/devices/virtio/pci.h
+++ b/src/vnet/devices/virtio/pci.h
@@ -60,6 +60,9 @@ typedef enum
/* If multiqueue is provided by host, then we support it. */
#define VIRTIO_NET_CTRL_MQ 4
#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0
+#define VIRTIO_NET_CTRL_MQ_RSS_CONFIG 1
+#define VIRTIO_NET_CTRL_MQ_HASH_CONFIG 2
+
#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1
#define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000
@@ -139,14 +142,77 @@ typedef struct
u64 queue_device; /* read-write */
} virtio_pci_common_cfg_t;
+#define foreach_virtio_net_hash_report_type \
+ _ (NONE, 0) \
+ _ (IPV4, 1) \
+ _ (TCPV4, 2) \
+ _ (UDPV4, 3) \
+ _ (IPV6, 4) \
+ _ (TCPV6, 5) \
+ _ (UDPV6, 6) \
+ _ (IPV6_EX, 7) \
+ _ (TCPV6_EX, 8) \
+ _ (UDPV6_EX, 9)
+
+typedef enum
+{
+#define _(n, i) VIRTIO_NET_HASH_REPORT_##n = i,
+ foreach_virtio_net_hash_report_type
+#undef _
+} virtio_net_hash_report_type_t;
+
typedef struct
{
u8 mac[6];
u16 status;
u16 max_virtqueue_pairs;
u16 mtu;
+ u32 speed;
+ u8 duplex;
+ u8 rss_max_key_size;
+ u16 rss_max_indirection_table_length;
+ u32 supported_hash_types;
} virtio_net_config_t;
+#define VIRTIO_NET_RSS_MAX_TABLE_LEN 128
+#define VIRTIO_NET_RSS_MAX_KEY_SIZE 40
+
+#define foreach_virtio_net_hash_type \
+ _ (IPV4, 0) \
+ _ (TCPV4, 1) \
+ _ (UDPV4, 2) \
+ _ (IPV6, 3) \
+ _ (TCPV6, 4) \
+ _ (UDPV6, 5) \
+ _ (IPV6_EX, 6) \
+ _ (TCPV6_EX, 7) \
+ _ (UDPV6_EX, 8)
+
+typedef enum
+{
+#define _(n, i) VIRTIO_NET_HASH_TYPE_##n = (1 << i),
+ foreach_virtio_net_hash_type
+#undef _
+} virtio_net_hash_type_t;
+
+#define VIRTIO_NET_HASH_TYPE_SUPPORTED \
+ (VIRTIO_NET_HASH_TYPE_IPV4 | VIRTIO_NET_HASH_TYPE_TCPV4 | \
+ VIRTIO_NET_HASH_TYPE_UDPV4 | VIRTIO_NET_HASH_TYPE_IPV6 | \
+ VIRTIO_NET_HASH_TYPE_TCPV6 | VIRTIO_NET_HASH_TYPE_UDPV6 | \
+ VIRTIO_NET_HASH_TYPE_IPV6_EX | VIRTIO_NET_HASH_TYPE_TCPV6_EX | \
+ VIRTIO_NET_HASH_TYPE_UDPV6_EX)
+
+typedef struct
+{
+ u32 hash_types;
+ u16 indirection_table_mask;
+ u16 unclassified_queue;
+ u16 indirection_table[VIRTIO_NET_RSS_MAX_TABLE_LEN];
+ u16 max_tx_vq;
+ u8 hash_key_length;
+ u8 hash_key_data[VIRTIO_NET_RSS_MAX_KEY_SIZE];
+} virtio_net_rss_config;
+
/*
* Control virtqueue data structures
*
@@ -210,13 +276,14 @@ typedef struct _virtio_pci_func
void (*device_debug_config_space) (vlib_main_t * vm, virtio_if_t * vif);
} virtio_pci_func_t;
-#define foreach_virtio_flags \
- _ (GSO, 0) \
- _ (CSUM_OFFLOAD, 1) \
- _ (GRO_COALESCE, 2) \
- _ (PACKED, 3) \
- _ (IN_ORDER, 4) \
- _ (BUFFERING, 5)
+#define foreach_virtio_flags \
+ _ (GSO, 0) \
+ _ (CSUM_OFFLOAD, 1) \
+ _ (GRO_COALESCE, 2) \
+ _ (PACKED, 3) \
+ _ (IN_ORDER, 4) \
+ _ (BUFFERING, 5) \
+ _ (RSS, 6)
typedef enum
{
@@ -243,6 +310,7 @@ typedef struct
u64 features;
u8 gso_enabled;
u8 checksum_offload_enabled;
+ u8 rss_enabled;
u32 tx_queue_size;
virtio_bind_t bind;
u32 buffering_size;