node.c File Reference

Include dependency graph for node.c:

Go to the source code of this file.

Data Structures
struct	virtio_input_trace_t

Macros
#define	foreach_virtio_input_error
#define	increment_last(last, packed, vring)

Enumerations
enum	virtio_input_error_t { VIRTIO_INPUT_N_ERROR }

Functions
static u8 *	format_virtio_input_trace (u8 *s, va_list *args)
static_always_inline void	virtio_refill_vring_split (vlib_main_t *vm, virtio_if_t *vif, virtio_if_type_t type, virtio_vring_t *vring, const int hdr_sz, u32 node_index)
static_always_inline void	virtio_refill_vring_packed (vlib_main_t *vm, virtio_if_t *vif, virtio_if_type_t type, virtio_vring_t *vring, const int hdr_sz, u32 node_index)
static_always_inline void	virtio_needs_csum (vlib_buffer_t *b0, virtio_net_hdr_v1_t *hdr, u8 *l4_proto, u8 *l4_hdr_sz, virtio_if_type_t type)
static_always_inline void	fill_gso_buffer_flags (vlib_buffer_t *b0, virtio_net_hdr_v1_t *hdr, u8 l4_proto, u8 l4_hdr_sz)
static_always_inline u16	virtio_n_left_to_process (virtio_vring_t *vring, const int packed)
static_always_inline u16	virtio_get_slot_id (virtio_vring_t *vring, const int packed, u16 last, u16 mask)
static_always_inline u16	virtio_get_len (virtio_vring_t *vring, const int packed, const int hdr_sz, u16 last, u16 mask)
static_always_inline uword	virtio_device_input_gso_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, virtio_if_t *vif, virtio_vring_t *vring, virtio_if_type_t type, int gso_enabled, int checksum_offload_enabled, int packed)
static_always_inline uword	virtio_device_input_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, virtio_if_t *vif, u16 qid, virtio_if_type_t type)
VLIB_NODE_FN()	virtio_input_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)

Variables
static char *	virtio_input_error_strings []
vlib_node_registration_t	virtio_input_node
	(constructor) VLIB_REGISTER_NODE (virtio_input_node) More...

Macro Definition Documentation

foreach_virtio_input_error

#define foreach_virtio_input_error

Value:

_(BUFFER_ALLOC, "buffer alloc error") \
  _(UNKNOWN, "unknown")

Definition at line 38 of file node.c.

increment_last

#define increment_last	(		last,
			packed,
			vring
	)

Value:

do {                                        \
         last++;                            \
         if (packed && last >= vring->size) \
           {                                \
             last = 0;                      \
             vring->used_wrap_counter ^= 1; \
           }                                \
    } while (0)

Definition at line 372 of file node.c.

Enumeration Type Documentation

virtio_input_error_t

enum virtio_input_error_t

Enumerator
VIRTIO_INPUT_N_ERROR

Definition at line 42 of file node.c.

Function Documentation

fill_gso_buffer_flags()

static_always_inline void fill_gso_buffer_flags	(	vlib_buffer_t *	b0,
		virtio_net_hdr_v1_t *	hdr,
		u8	l4_proto,
		u8	l4_hdr_sz
	)

Definition at line 324 of file node.c.

Here is the caller graph for this function:

format_virtio_input_trace()

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

static

Definition at line 66 of file node.c.

Here is the call graph for this function:

virtio_device_input_gso_inline()

static_always_inline uword virtio_device_input_gso_inline	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		virtio_if_t *	vif,
		virtio_vring_t *	vring,
		virtio_if_type_t	type,
		int	gso_enabled,
		int	checksum_offload_enabled,
		int	packed
	)

Definition at line 383 of file node.c.

Here is the call graph for this function:

Here is the caller graph for this function:

virtio_device_input_inline()

static_always_inline uword virtio_device_input_inline	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		virtio_if_t *	vif,
		u16	qid,
		virtio_if_type_t	type
	)

Definition at line 569 of file node.c.

Here is the call graph for this function:

Here is the caller graph for this function:

virtio_get_len()

static_always_inline u16 virtio_get_len	(	virtio_vring_t *	vring,
		const int	packed,
		const int	hdr_sz,
		u16	last,
		u16	mask
	)

Definition at line 363 of file node.c.

Here is the call graph for this function:

Here is the caller graph for this function:

virtio_get_slot_id()

static_always_inline u16 virtio_get_slot_id	(	virtio_vring_t *	vring,
		const int	packed,
		u16	last,
		u16	mask
	)

Definition at line 353 of file node.c.

Here is the call graph for this function:

Here is the caller graph for this function:

virtio_input_node()

VLIB_NODE_FN() virtio_input_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 636 of file node.c.

Here is the call graph for this function:

virtio_n_left_to_process()

static_always_inline u16 virtio_n_left_to_process	(	virtio_vring_t *	vring,
		const int	packed
	)

Definition at line 344 of file node.c.

Here is the caller graph for this function:

virtio_needs_csum()

static_always_inline void virtio_needs_csum	(	vlib_buffer_t *	b0,
		virtio_net_hdr_v1_t *	hdr,
		u8 *	l4_proto,
		u8 *	l4_hdr_sz,
		virtio_if_type_t	type
	)

Definition at line 234 of file node.c.

Here is the call graph for this function:

Here is the caller graph for this function:

virtio_refill_vring_packed()

static_always_inline void virtio_refill_vring_packed	(	vlib_main_t *	vm,
		virtio_if_t *	vif,
		virtio_if_type_t	type,
		virtio_vring_t *	vring,
		const int	hdr_sz,
		u32	node_index
	)

Definition at line 152 of file node.c.

Here is the call graph for this function:

Here is the caller graph for this function:

virtio_refill_vring_split()

static_always_inline void virtio_refill_vring_split	(	vlib_main_t *	vm,
		virtio_if_t *	vif,
		virtio_if_type_t	type,
		virtio_vring_t *	vring,
		const int	hdr_sz,
		u32	node_index
	)

Definition at line 84 of file node.c.

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

virtio_input_error_strings

char* virtio_input_error_strings[]

static

Initial value:

= {
#define _(n,s) 
  foreach_virtio_input_error

}

Definition at line 50 of file node.c.

virtio_input_node

vlib_node_registration_t virtio_input_node

Initial value:

= {
  .name = "virtio-input",
  .sibling_of = "device-input",
  .format_trace = format_virtio_input_trace,
  .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
  .type = VLIB_NODE_TYPE_INPUT,
  .state = VLIB_NODE_STATE_INTERRUPT,
  .n_errors = VIRTIO_INPUT_N_ERROR,
  .error_strings = virtio_input_error_strings,
}

(constructor) VLIB_REGISTER_NODE (virtio_input_node)

Definition at line 670 of file node.c.