l2sess_node.c File Reference

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Data Structures
struct	l2sess_trace_t

Macros
#define	foreach_l2sess_error   _(SWAPPED, "Mac swap packets processed")

Enumerations
enum	l2sess_error_t { L2SESS_N_ERROR }
enum	l2sess_next_t { L2SESS_NEXT_DROP, L2SESS_N_NEXT }

Functions
u8	l2sess_get_l4_proto (vlib_buffer_t *b0, int node_is_ip6)
u8	l2sess_get_tcp_flags (vlib_buffer_t *b0, int node_is_ip6)
static int	l4_tcp_or_udp (u8 proto)
void	l2sess_get_session_tables (l2sess_main_t *sm, u32 sw_if_index, int node_is_out, int node_is_ip6, u8 l4_proto, u32 *session_tables)
void	l2sess_get_session_nexts (l2sess_main_t *sm, u32 sw_if_index, int node_is_out, int node_is_ip6, u8 l4_proto, u32 *session_nexts)
static void	swap_bytes (vlib_buffer_t *b0, int off_a, int off_b, int nbytes)
void	l2sess_flip_l3l4_fields (vlib_buffer_t *b0, int node_is_ip6, u8 l4_proto)
void	l2sess_add_session (vlib_buffer_t *b0, int node_is_out, int node_is_ip6, u32 session_table, u32 session_match_next, u32 opaque_index)
static void *	get_ptr_to_offset (vlib_buffer_t *b0, int offset)
void	session_store_ip4_l3l4_info (vlib_buffer_t *b0, l2s_session_t *sess, int node_is_out)
void	session_store_ip6_l3l4_info (vlib_buffer_t *b0, l2s_session_t *sess, int node_is_out)
static void	build_match_from_session (l2sess_main_t *sm, u8 *match, l2s_session_t *sess, int is_out)
static void	delete_session (l2sess_main_t *sm, u32 sw_if_index, u32 session_index)
static void	udp_session_account_buffer (vlib_buffer_t *b0, l2s_session_t *s, int which_side, u64 now)
static u64	udp_session_get_timeout (l2sess_main_t *sm, l2s_session_t *sess, u64 now)
static void	tcp_session_account_buffer (vlib_buffer_t *b0, l2s_session_t *s, int which_side, u64 now)
static u64	tcp_session_get_timeout (l2sess_main_t *sm, l2s_session_t *sess, u64 now)
static u64	session_get_timeout (l2sess_main_t *sm, l2s_session_t *sess, u64 now)
static u64	get_session_last_active_time (l2s_session_t *sess)
static int	session_is_alive (l2sess_main_t *sm, l2s_session_t *sess, u64 now, u64 *last_active_cache)
static void	check_idle_sessions (l2sess_main_t *sm, u32 sw_if_index, u64 now)
static uword	l2sess_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int node_is_out, int node_is_ip6, int node_is_track, u32 *feat_next_node_index)

Variables
static char *	l2sess_error_strings []

Macro Definition Documentation

#define foreach_l2sess_error   _(SWAPPED, "Mac swap packets processed")

Definition at line 52 of file l2sess_node.c.

Enumeration Type Documentation

enum l2sess_error_t

Enumerator
L2SESS_N_ERROR

Definition at line 54 of file l2sess_node.c.

enum l2sess_next_t

Enumerator
L2SESS_NEXT_DROP
L2SESS_N_NEXT

Definition at line 68 of file l2sess_node.c.

Function Documentation

static void build_match_from_session ( l2sess_main_t *  sm, u8 *  match, l2s_session_t *  sess, int  is_out  )

static

Definition at line 322 of file l2sess_node.c.

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static void check_idle_sessions ( l2sess_main_t *  sm, u32  sw_if_index, u64  now  )

static

Definition at line 467 of file l2sess_node.c.

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static void delete_session ( l2sess_main_t *  sm, u32  sw_if_index, u32  session_index  )

static

Definition at line 344 of file l2sess_node.c.

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static void* get_ptr_to_offset ( vlib_buffer_t *  b0, int  offset  )

static

Definition at line 283 of file l2sess_node.c.

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static u64 get_session_last_active_time ( l2s_session_t *  sess )

inlinestatic

Definition at line 446 of file l2sess_node.c.

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void l2sess_add_session	(	vlib_buffer_t *	b0,
		int	node_is_out,
		int	node_is_ip6,
		u32	session_table,
		u32	session_match_next,
		u32	opaque_index
	)

Definition at line 262 of file l2sess_node.c.

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void l2sess_flip_l3l4_fields	(	vlib_buffer_t *	b0,
		int	node_is_ip6,
		u8	l4_proto
	)

Definition at line 243 of file l2sess_node.c.

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u8 l2sess_get_l4_proto	(	vlib_buffer_t *	b0,
		int	node_is_ip6
	)

Definition at line 75 of file l2sess_node.c.

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void l2sess_get_session_nexts	(	l2sess_main_t *	sm,
		u32	sw_if_index,
		int	node_is_out,
		int	node_is_ip6,
		u8	l4_proto,
		u32 *	session_nexts
	)

Definition at line 188 of file l2sess_node.c.

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void l2sess_get_session_tables	(	l2sess_main_t *	sm,
		u32	sw_if_index,
		int	node_is_out,
		int	node_is_ip6,
		u8	l4_proto,
		u32 *	session_tables
	)

Definition at line 116 of file l2sess_node.c.

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u8 l2sess_get_tcp_flags	(	vlib_buffer_t *	b0,
		int	node_is_ip6
	)

Definition at line 93 of file l2sess_node.c.

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static uword l2sess_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, int  node_is_out, int  node_is_ip6, int  node_is_track, u32 *  feat_next_node_index  )

static

Definition at line 528 of file l2sess_node.c.

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static int l4_tcp_or_udp ( u8  proto )

inlinestatic

Definition at line 110 of file l2sess_node.c.

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static u64 session_get_timeout ( l2sess_main_t *  sm, l2s_session_t *  sess, u64  now  )

inlinestatic

Definition at line 426 of file l2sess_node.c.

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static int session_is_alive ( l2sess_main_t *  sm, l2s_session_t *  sess, u64  now, u64 *  last_active_cache  )

static

Definition at line 456 of file l2sess_node.c.

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void session_store_ip4_l3l4_info	(	vlib_buffer_t *	b0,
		l2s_session_t *	sess,
		int	node_is_out
	)

Definition at line 296 of file l2sess_node.c.

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void session_store_ip6_l3l4_info	(	vlib_buffer_t *	b0,
		l2s_session_t *	sess,
		int	node_is_out
	)

Definition at line 309 of file l2sess_node.c.

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static void swap_bytes ( vlib_buffer_t *  b0, int  off_a, int  off_b, int  nbytes  )

inlinestatic

Definition at line 224 of file l2sess_node.c.

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static void tcp_session_account_buffer ( vlib_buffer_t *  b0, l2s_session_t *  s, int  which_side, u64  now  )

static

Definition at line 389 of file l2sess_node.c.

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static u64 tcp_session_get_timeout ( l2sess_main_t *  sm, l2s_session_t *  sess, u64  now  )

inlinestatic

Definition at line 409 of file l2sess_node.c.

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static void udp_session_account_buffer ( vlib_buffer_t *  b0, l2s_session_t *  s, int  which_side, u64  now  )

static

Definition at line 373 of file l2sess_node.c.

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static u64 udp_session_get_timeout ( l2sess_main_t *  sm, l2s_session_t *  sess, u64  now  )

inlinestatic

Definition at line 383 of file l2sess_node.c.

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Variable Documentation

char* l2sess_error_strings[]

static

Initial value:

= {
#define _(sym,string) 
  foreach_l2sess_error

}

Definition at line 62 of file l2sess_node.c.