device.c File Reference

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Data Structures
struct	virtio_tx_trace_t

Macros
#define	foreach_virtio_tx_func_error

Enumerations
enum	virtio_tx_func_error_t { VIRTIO_TX_N_ERROR }

Functions
static u8 *	format_virtio_device (u8 *s, va_list *args)
static u8 *	format_virtio_tx_trace (u8 *s, va_list *va)
static_always_inline void	virtio_tx_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b0, u32 bi, int is_tun)
static_always_inline void	virtio_interface_drop_inline (vlib_main_t *vm, uword node_index, u32 *buffers, u16 n, virtio_tx_func_error_t error)
static_always_inline void	virtio_memset_ring_u32 (u32 *ring, u32 start, u32 ring_size, u32 n_buffers)
static_always_inline void	virtio_free_used_device_desc_split (vlib_main_t *vm, virtio_vring_t *vring, uword node_index)
static_always_inline void	virtio_free_used_device_desc_packed (vlib_main_t *vm, virtio_vring_t *vring, uword node_index)
static_always_inline void	virtio_free_used_device_desc (vlib_main_t *vm, virtio_vring_t *vring, uword node_index, int packed)
static_always_inline void	set_checksum_offsets (vlib_buffer_t *b, virtio_net_hdr_v1_t *hdr, const int is_l2)
static_always_inline void	set_gso_offsets (vlib_buffer_t *b, virtio_net_hdr_v1_t *hdr, const int is_l2)
static_always_inline u16	add_buffer_to_slot (vlib_main_t *vm, vlib_node_runtime_t *node, virtio_vring_t *vring, u32 bi, u16 free_desc_count, u16 avail, u16 next, u16 mask, int hdr_sz, int do_gso, int csum_offload, int is_pci, int is_tun, int is_indirect, int is_any_layout)
static_always_inline u16	add_buffer_to_slot_packed (vlib_main_t *vm, vlib_node_runtime_t *node, virtio_vring_t *vring, u32 bi, u16 next, int hdr_sz, int do_gso, int csum_offload, int is_pci, int is_tun, int is_indirect, int is_any_layout)
static_always_inline uword	virtio_interface_tx_packed_gso_inline (vlib_main_t *vm, vlib_node_runtime_t *node, virtio_if_t *vif, virtio_if_type_t type, virtio_vring_t *vring, u32 *buffers, u16 n_left, const int do_gso, const int csum_offload)
static_always_inline void	virtio_find_free_desc (virtio_vring_t *vring, u16 size, u16 mask, u16 req, u16 next, u32 *first_free_desc_index, u16 *free_desc_count)
static_always_inline u16	virtio_interface_tx_split_gso_inline (vlib_main_t *vm, vlib_node_runtime_t *node, virtio_if_t *vif, virtio_if_type_t type, virtio_vring_t *vring, u32 *buffers, u16 n_left, int do_gso, int csum_offload)
static_always_inline u16	virtio_interface_tx_gso_inline (vlib_main_t *vm, vlib_node_runtime_t *node, virtio_if_t *vif, virtio_if_type_t type, virtio_vring_t *vring, u32 *buffers, u16 n_left, int packed, int do_gso, int csum_offload)
static_always_inline u16	virtio_interface_tx_inline (vlib_main_t *vm, vlib_node_runtime_t *node, virtio_if_t *vif, virtio_vring_t *vring, virtio_if_type_t type, u32 *buffers, u16 n_left, int packed)
VNET_DEVICE_CLASS_TX_FN()	virtio_device_class (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static void	virtio_set_interface_next_node (vnet_main_t *vnm, u32 hw_if_index, u32 node_index)
static void	virtio_clear_hw_interface_counters (u32 instance)
static_always_inline void	virtio_set_rx_interrupt (virtio_if_t *vif, virtio_vring_t *vring)
static_always_inline void	virtio_set_rx_polling (virtio_if_t *vif, virtio_vring_t *vring)
static clib_error_t *	virtio_interface_rx_mode_change (vnet_main_t *vnm, u32 hw_if_index, u32 qid, vnet_hw_if_rx_mode mode)
static clib_error_t *	virtio_interface_admin_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)
static clib_error_t *	virtio_subif_add_del_function (vnet_main_t *vnm, u32 hw_if_index, struct vnet_sw_interface_t *st, int is_add)
	VNET_DEVICE_CLASS (virtio_device_class)

Variables
static char *	virtio_tx_func_error_strings []

Macro Definition Documentation

foreach_virtio_tx_func_error

#define foreach_virtio_tx_func_error

Value:

_(NO_FREE_SLOTS, "no free tx slots")           \
_(TRUNC_PACKET, "packet > buffer size -- truncated in tx ring") \
_(PENDING_MSGS, "pending msgs in tx ring") \
_(INDIRECT_DESC_ALLOC_FAILED, "indirect descriptor allocation failed - packet drop") \
_(OUT_OF_ORDER, "out-of-order buffers in used ring") \
_(GSO_PACKET_DROP, "gso disabled on itf  -- gso packet drop") \
_(CSUM_OFFLOAD_PACKET_DROP, "checksum offload disabled on itf -- csum offload packet drop")

Definition at line 34 of file device.c.

Enumeration Type Documentation

virtio_tx_func_error_t

enum virtio_tx_func_error_t

Enumerator
VIRTIO_TX_N_ERROR

Definition at line 43 of file device.c.

Function Documentation

add_buffer_to_slot()

static_always_inline u16 add_buffer_to_slot	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		virtio_vring_t *	vring,
		u32	bi,
		u16	free_desc_count,
		u16	avail,
		u16	next,
		u16	mask,
		int	hdr_sz,
		int	do_gso,
		int	csum_offload,
		int	is_pci,
		int	is_tun,
		int	is_indirect,
		int	is_any_layout
	)

Definition at line 369 of file device.c.

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add_buffer_to_slot_packed()

static_always_inline u16 add_buffer_to_slot_packed	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		virtio_vring_t *	vring,
		u32	bi,
		u16	next,
		int	hdr_sz,
		int	do_gso,
		int	csum_offload,
		int	is_pci,
		int	is_tun,
		int	is_indirect,
		int	is_any_layout
	)

Definition at line 562 of file device.c.

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format_virtio_device()

static u8* format_virtio_device ( u8 *  s, va_list *  args  )

static

Definition at line 58 of file device.c.

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format_virtio_tx_trace()

static u8* format_virtio_tx_trace ( u8 *  s, va_list *  va  )

static

Definition at line 82 of file device.c.

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set_checksum_offsets()

static_always_inline void set_checksum_offsets	(	vlib_buffer_t *	b,
		virtio_net_hdr_v1_t *	hdr,
		const int	is_l2
	)

Definition at line 282 of file device.c.

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set_gso_offsets()

static_always_inline void set_gso_offsets	(	vlib_buffer_t *	b,
		virtio_net_hdr_v1_t *	hdr,
		const int	is_l2
	)

Definition at line 330 of file device.c.

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virtio_clear_hw_interface_counters()

static void virtio_clear_hw_interface_counters ( u32  instance )

static

Definition at line 1078 of file device.c.

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virtio_device_class()

VNET_DEVICE_CLASS_TX_FN() virtio_device_class	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 983 of file device.c.

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virtio_find_free_desc()

static_always_inline void virtio_find_free_desc	(	virtio_vring_t *	vring,
		u16	size,
		u16	mask,
		u16	req,
		u16	next,
		u32 *	first_free_desc_index,
		u16 *	free_desc_count
	)

Definition at line 794 of file device.c.

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virtio_free_used_device_desc()

static_always_inline void virtio_free_used_device_desc	(	vlib_main_t *	vm,
		virtio_vring_t *	vring,
		uword	node_index,
		int	packed
	)

Definition at line 271 of file device.c.

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virtio_free_used_device_desc_packed()

static_always_inline void virtio_free_used_device_desc_packed	(	vlib_main_t *	vm,
		virtio_vring_t *	vring,
		uword	node_index
	)

Definition at line 230 of file device.c.

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virtio_free_used_device_desc_split()

static_always_inline void virtio_free_used_device_desc_split	(	vlib_main_t *	vm,
		virtio_vring_t *	vring,
		uword	node_index
	)

Definition at line 164 of file device.c.

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virtio_interface_admin_up_down()

static clib_error_t* virtio_interface_admin_up_down ( vnet_main_t *  vnm, u32  hw_if_index, u32  flags  )

static

Definition at line 1149 of file device.c.

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virtio_interface_drop_inline()

static_always_inline void virtio_interface_drop_inline	(	vlib_main_t *	vm,
		uword	node_index,
		u32 *	buffers,
		u16	n,
		virtio_tx_func_error_t	error
	)

Definition at line 139 of file device.c.

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virtio_interface_rx_mode_change()

static clib_error_t* virtio_interface_rx_mode_change ( vnet_main_t *  vnm, u32  hw_if_index, u32  qid, vnet_hw_if_rx_mode  mode  )

static

Definition at line 1102 of file device.c.

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virtio_interface_tx_gso_inline()

static_always_inline u16 virtio_interface_tx_gso_inline	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		virtio_if_t *	vif,
		virtio_if_type_t	type,
		virtio_vring_t *	vring,
		u32 *	buffers,
		u16	n_left,
		int	packed,
		int	do_gso,
		int	csum_offload
	)

Definition at line 941 of file device.c.

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virtio_interface_tx_inline()

static_always_inline u16 virtio_interface_tx_inline	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		virtio_if_t *	vif,
		virtio_vring_t *	vring,
		virtio_if_type_t	type,
		u32 *	buffers,
		u16	n_left,
		int	packed
	)

Definition at line 958 of file device.c.

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virtio_interface_tx_packed_gso_inline()

static_always_inline uword virtio_interface_tx_packed_gso_inline	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		virtio_if_t *	vif,
		virtio_if_type_t	type,
		virtio_vring_t *	vring,
		u32 *	buffers,
		u16	n_left,
		const int	do_gso,
		const int	csum_offload
	)

Definition at line 703 of file device.c.

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virtio_interface_tx_split_gso_inline()

static_always_inline u16 virtio_interface_tx_split_gso_inline	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		virtio_if_t *	vif,
		virtio_if_type_t	type,
		virtio_vring_t *	vring,
		u32 *	buffers,
		u16	n_left,
		int	do_gso,
		int	csum_offload
	)

Definition at line 830 of file device.c.

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virtio_memset_ring_u32()

static_always_inline void virtio_memset_ring_u32	(	u32 *	ring,
		u32	start,
		u32	ring_size,
		u32	n_buffers
	)

Definition at line 148 of file device.c.

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virtio_set_interface_next_node()

static void virtio_set_interface_next_node ( vnet_main_t *  vnm, u32  hw_if_index, u32  node_index  )

static

Definition at line 1058 of file device.c.

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virtio_set_rx_interrupt()

static_always_inline void virtio_set_rx_interrupt	(	virtio_if_t *	vif,
		virtio_vring_t *	vring
	)

Definition at line 1084 of file device.c.

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virtio_set_rx_polling()

static_always_inline void virtio_set_rx_polling	(	virtio_if_t *	vif,
		virtio_vring_t *	vring
	)

Definition at line 1093 of file device.c.

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virtio_subif_add_del_function()

static clib_error_t* virtio_subif_add_del_function ( vnet_main_t *  vnm, u32  hw_if_index, struct vnet_sw_interface_t *  st, int  is_add  )

static

Definition at line 1170 of file device.c.

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virtio_tx_trace()

static_always_inline void virtio_tx_trace	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_buffer_t *	b0,
		u32	bi,
		int	is_tun
	)

Definition at line 103 of file device.c.

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VNET_DEVICE_CLASS()

VNET_DEVICE_CLASS

(

virtio_device_class

)

Variable Documentation

virtio_tx_func_error_strings

char* virtio_tx_func_error_strings[]

static

Initial value:

= {
#define _(n,s) 
  foreach_virtio_tx_func_error

}

Definition at line 51 of file device.c.