vhost_user_output.c File Reference

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Macros
#define	VHOST_USER_TX_COPY_THRESHOLD   (VHOST_USER_COPY_ARRAY_N - 40)
#define	foreach_vhost_user_tx_func_error

Enumerations
enum	vhost_user_tx_func_error_t { VHOST_USER_TX_FUNC_N_ERROR }

Functions
static __clib_unused u8 *	format_vhost_user_interface_name (u8 *s, va_list *args)
static __clib_unused int	vhost_user_name_renumber (vnet_hw_interface_t *hi, u32 new_dev_instance)
static_always_inline int	vhost_user_vring_try_lock (vhost_user_intf_t *vui, u32 qid)
	Try once to lock the vring. More...
static_always_inline void	vhost_user_vring_lock (vhost_user_intf_t *vui, u32 qid)
	Spin until the vring is successfully locked. More...
static_always_inline void	vhost_user_vring_unlock (vhost_user_intf_t *vui, u32 qid)
	Unlock the vring lock. More...
static_always_inline void	vhost_user_tx_trace (vhost_trace_t *t, vhost_user_intf_t *vui, u16 qid, vlib_buffer_t *b, vhost_user_vring_t *rxvq)
static_always_inline u32	vhost_user_tx_copy (vhost_user_intf_t *vui, vhost_copy_t *cpy, u16 copy_len, u32 *map_hint)
uword CLIB_MULTIARCH_FN()	vhost_user_tx (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static __clib_unused clib_error_t *	vhost_user_interface_rx_mode_change (vnet_main_t *vnm, u32 hw_if_index, u32 qid, vnet_hw_interface_rx_mode mode)
static __clib_unused clib_error_t *	vhost_user_interface_admin_up_down (vnet_main_t *vnm, u32 hw_if_index, u32 flags)
	VNET_DEVICE_CLASS (vhost_user_device_class)
static void __clib_constructor	vhost_user_tx_multiarch_select (void)

Variables
vnet_device_class_t	vhost_user_device_class
static __clib_unused char *	vhost_user_tx_func_error_strings []
vlib_node_function_t __clib_weak	vhost_user_tx_avx512
vlib_node_function_t __clib_weak	vhost_user_tx_avx2

Macro Definition Documentation

#define foreach_vhost_user_tx_func_error

Value:

_(NONE, "no error")  \
  _(NOT_READY, "vhost vring not ready")  \
  _(DOWN, "vhost interface is down")  \
  _(PKT_DROP_NOBUF, "tx packet drops (no available descriptors)")  \
  _(PKT_DROP_NOMRG, "tx packet drops (cannot merge descriptors)")  \
  _(MMAP_FAIL, "mmap failure") \
  _(INDIRECT_OVERFLOW, "indirect descriptor table overflow")

Definition at line 58 of file vhost_user_output.c.

#define VHOST_USER_TX_COPY_THRESHOLD   (VHOST_USER_COPY_ARRAY_N - 40)

Definition at line 54 of file vhost_user_output.c.

Enumeration Type Documentation

enum vhost_user_tx_func_error_t

Enumerator
VHOST_USER_TX_FUNC_N_ERROR

Definition at line 67 of file vhost_user_output.c.

Function Documentation

static __clib_unused u8* format_vhost_user_interface_name ( u8 *  s, va_list *  args  )

static

Definition at line 82 of file vhost_user_output.c.

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static __clib_unused clib_error_t* vhost_user_interface_admin_up_down ( vnet_main_t *  vnm, u32  hw_if_index, u32  flags  )

static

Definition at line 619 of file vhost_user_output.c.

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static __clib_unused clib_error_t* vhost_user_interface_rx_mode_change ( vnet_main_t *  vnm, u32  hw_if_index, u32  qid, vnet_hw_interface_rx_mode  mode  )

static

Definition at line 556 of file vhost_user_output.c.

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static __clib_unused int vhost_user_name_renumber ( vnet_hw_interface_t *  hi, u32  new_dev_instance  )

static

Definition at line 99 of file vhost_user_output.c.

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uword CLIB_MULTIARCH_FN() vhost_user_tx	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 228 of file vhost_user_output.c.

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static_always_inline u32 vhost_user_tx_copy	(	vhost_user_intf_t *	vui,
		vhost_copy_t *	cpy,
		u16	copy_len,
		u32 *	map_hint
	)

Definition at line 180 of file vhost_user_output.c.

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static void __clib_constructor vhost_user_tx_multiarch_select ( void  )

static

Definition at line 653 of file vhost_user_output.c.

static_always_inline void vhost_user_tx_trace	(	vhost_trace_t *	t,
		vhost_user_intf_t *	vui,
		u16	qid,
		vlib_buffer_t *	b,
		vhost_user_vring_t *	rxvq
	)

Definition at line 145 of file vhost_user_output.c.

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static_always_inline void vhost_user_vring_lock	(	vhost_user_intf_t *	vui,
		u32	qid
	)

Spin until the vring is successfully locked.

Definition at line 129 of file vhost_user_output.c.

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static_always_inline int vhost_user_vring_try_lock	(	vhost_user_intf_t *	vui,
		u32	qid
	)

Try once to lock the vring.

Returns

0 on success, non-zero on failure.

Definition at line 120 of file vhost_user_output.c.

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static_always_inline void vhost_user_vring_unlock	(	vhost_user_intf_t *	vui,
		u32	qid
	)

Unlock the vring lock.

Definition at line 139 of file vhost_user_output.c.

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VNET_DEVICE_CLASS

(

vhost_user_device_class

)

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Variable Documentation

vnet_device_class_t vhost_user_device_class

Definition at line 56 of file vhost_user_output.c.

vlib_node_function_t __clib_weak vhost_user_tx_avx2

Definition at line 651 of file vhost_user_output.c.

vlib_node_function_t __clib_weak vhost_user_tx_avx512

Definition at line 650 of file vhost_user_output.c.

__clib_unused char* vhost_user_tx_func_error_strings[]

static

Initial value:

= {
#define _(n,s) 
  foreach_vhost_user_tx_func_error

}

Definition at line 75 of file vhost_user_output.c.