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Vector Packet Processing
adj_midchain.c File Reference
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Data Structures

struct  adj_midchain_tx_trace_t_
 Trace data for packets traversing the midchain tx node. More...
 

Typedefs

typedef struct adj_midchain_tx_trace_t_ adj_midchain_tx_trace_t
 Trace data for packets traversing the midchain tx node. More...
 

Functions

static uword adj_midchain_tx_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int interface_count)
 
static u8format_adj_midchain_tx_trace (u8 *s, va_list *args)
 
static uword adj_midchain_tx (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
static uword adj_midchain_tx_no_count (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
 VNET_FEATURE_INIT (adj_midchain_tx_ip4, static)
 
 VNET_FEATURE_INIT (adj_midchain_tx_no_count_ip4, static)
 
 VNET_FEATURE_INIT (adj_midchain_tx_ip6, static)
 
 VNET_FEATURE_INIT (adj_midchain_tx_no_count_ip6, static)
 
 VNET_FEATURE_INIT (adj_midchain_tx_mpls, static)
 
 VNET_FEATURE_INIT (adj_midchain_tx_no_count_mpls, static)
 
 VNET_FEATURE_INIT (adj_midchain_tx_ethernet, static)
 
 VNET_FEATURE_INIT (adj_midchain_tx_no_count_ethernet, static)
 
static u32 adj_get_midchain_node (vnet_link_t link)
 
static u8 adj_midchain_get_feature_arc_index_for_link_type (const ip_adjacency_t *adj)
 
void adj_nbr_midchain_update_rewrite (adj_index_t adj_index, adj_midchain_fixup_t fixup, adj_midchain_flag_t flags, u8 *rewrite)
 adj_nbr_midchain_update_rewrite More...
 
void adj_nbr_midchain_unstack (adj_index_t adj_index)
 adj_nbr_midchain_unstack More...
 
void adj_nbr_midchain_stack (adj_index_t adj_index, const dpo_id_t *next)
 adj_nbr_midchain_stack More...
 
u8format_adj_midchain (u8 *s, va_list *ap)
 Format a midchain adjacency. More...
 
static void adj_dpo_lock (dpo_id_t *dpo)
 
static void adj_dpo_unlock (dpo_id_t *dpo)
 
void adj_midchain_module_init (void)
 Module initialisation. More...
 

Variables

static u32 adj_midchain_tx_feature_node [VNET_LINK_NUM]
 The two midchain tx feature node indices. More...
 
static u32 adj_midchain_tx_no_count_feature_node [VNET_LINK_NUM]
 
static vlib_node_registration_t adj_midchain_tx_node
 (constructor) VLIB_REGISTER_NODE (adj_midchain_tx_node) More...
 
static vlib_node_registration_t adj_midchain_tx_no_count_node
 (constructor) VLIB_REGISTER_NODE (adj_midchain_tx_no_count_node) More...
 
static const dpo_vft_t adj_midchain_dpo_vft
 
static const char *const midchain_ip4_nodes []
 The per-protocol VLIB graph nodes that are assigned to a midchain object. More...
 
static const char *const midchain_ip6_nodes []
 
static const char *const midchain_mpls_nodes []
 
static const char *const midchain_ethernet_nodes []
 
static const char *const *const midchain_nodes [DPO_PROTO_NUM]
 

Typedef Documentation

Trace data for packets traversing the midchain tx node.

Function Documentation

static void adj_dpo_lock ( dpo_id_t dpo)
static

Definition at line 503 of file adj_midchain.c.

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static void adj_dpo_unlock ( dpo_id_t dpo)
static

Definition at line 508 of file adj_midchain.c.

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static u32 adj_get_midchain_node ( vnet_link_t  link)
inlinestatic

Definition at line 313 of file adj_midchain.c.

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static u8 adj_midchain_get_feature_arc_index_for_link_type ( const ip_adjacency_t adj)
static

Definition at line 332 of file adj_midchain.c.

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void adj_midchain_module_init ( void  )

Module initialisation.

Definition at line 556 of file adj_midchain.c.

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static uword adj_midchain_tx ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)
static

Definition at line 222 of file adj_midchain.c.

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static uword adj_midchain_tx_inline ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame,
int  interface_count 
)
inlinestatic

Definition at line 42 of file adj_midchain.c.

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static uword adj_midchain_tx_no_count ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)
static

Definition at line 243 of file adj_midchain.c.

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void adj_nbr_midchain_stack ( adj_index_t  adj_index,
const dpo_id_t next 
)

adj_nbr_midchain_stack

[re]stack a midchain.

Definition at line 463 of file adj_midchain.c.

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void adj_nbr_midchain_unstack ( adj_index_t  adj_index)

adj_nbr_midchain_unstack

unstack a midchain.

Unstack the adj. stack it on drop

Definition at line 440 of file adj_midchain.c.

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void adj_nbr_midchain_update_rewrite ( adj_index_t  adj_index,
adj_midchain_fixup_t  fixup,
adj_midchain_flag_t  flags,
u8 rewrite 
)

adj_nbr_midchain_update_rewrite

Convert an existing neighbour adjacency into a midchain.

Update the adjacency's rewrite string. A NULL string implies the rewrite is reset (i.e. when ARP/ND etnry is gone). NB: the adj being updated may be handling traffic in the DP.

Definition at line 375 of file adj_midchain.c.

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u8* format_adj_midchain ( u8 s,
va_list *  ap 
)

Format a midchain adjacency.

Definition at line 480 of file adj_midchain.c.

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

Definition at line 208 of file adj_midchain.c.

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VNET_FEATURE_INIT ( adj_midchain_tx_ip4  ,
static   
)
VNET_FEATURE_INIT ( adj_midchain_tx_no_count_ip4  ,
static   
)
VNET_FEATURE_INIT ( adj_midchain_tx_ip6  ,
static   
)
VNET_FEATURE_INIT ( adj_midchain_tx_no_count_ip6  ,
static   
)
VNET_FEATURE_INIT ( adj_midchain_tx_mpls  ,
static   
)
VNET_FEATURE_INIT ( adj_midchain_tx_no_count_mpls  ,
static   
)
VNET_FEATURE_INIT ( adj_midchain_tx_ethernet  ,
static   
)
VNET_FEATURE_INIT ( adj_midchain_tx_no_count_ethernet  ,
static   
)

Variable Documentation

const dpo_vft_t adj_midchain_dpo_vft
static
Initial value:
= {
.dv_lock = adj_dpo_lock,
.dv_unlock = adj_dpo_unlock,
.dv_format = format_adj_midchain,
}
static void adj_dpo_unlock(dpo_id_t *dpo)
Definition: adj_midchain.c:508
u8 * format_adj_midchain(u8 *s, va_list *ap)
Format a midchain adjacency.
Definition: adj_midchain.c:480
static void adj_dpo_lock(dpo_id_t *dpo)
Definition: adj_midchain.c:503

Definition at line 513 of file adj_midchain.c.

u32 adj_midchain_tx_feature_node[VNET_LINK_NUM]
static

The two midchain tx feature node indices.

Definition at line 27 of file adj_midchain.c.

u32 adj_midchain_tx_no_count_feature_node[VNET_LINK_NUM]
static

Definition at line 28 of file adj_midchain.c.

vlib_node_registration_t adj_midchain_tx_no_count_node
static
Initial value:
= {
.name = "adj-midchain-tx-no-count",
.vector_size = sizeof (u32),
.n_next_nodes = 1,
.next_nodes = {
[0] = "error-drop",
},
}
static uword adj_midchain_tx_no_count(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: adj_midchain.c:243
static u8 * format_adj_midchain_tx_trace(u8 *s, va_list *args)
Definition: adj_midchain.c:208
unsigned int u32
Definition: types.h:88

(constructor) VLIB_REGISTER_NODE (adj_midchain_tx_no_count_node)

Definition at line 250 of file adj_midchain.c.

vlib_node_registration_t adj_midchain_tx_node
static
Initial value:
= {
.function = adj_midchain_tx,
.name = "adj-midchain-tx",
.vector_size = sizeof (u32),
.n_next_nodes = 1,
.next_nodes = {
[0] = "error-drop",
},
}
static uword adj_midchain_tx(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: adj_midchain.c:222
static u8 * format_adj_midchain_tx_trace(u8 *s, va_list *args)
Definition: adj_midchain.c:208
unsigned int u32
Definition: types.h:88

(constructor) VLIB_REGISTER_NODE (adj_midchain_tx_node)

Definition at line 229 of file adj_midchain.c.

const char* const midchain_ethernet_nodes[]
static
Initial value:
=
{
"adj-l2-midchain",
}
#define NULL
Definition: clib.h:55

Definition at line 541 of file adj_midchain.c.

const char* const midchain_ip4_nodes[]
static
Initial value:
=
{
"ip4-midchain",
}
#define NULL
Definition: clib.h:55

The per-protocol VLIB graph nodes that are assigned to a midchain object.

this means that these graph nodes are ones from which a midchain is the parent object in the DPO-graph.

Definition at line 526 of file adj_midchain.c.

const char* const midchain_ip6_nodes[]
static
Initial value:
=
{
"ip6-midchain",
}
#define NULL
Definition: clib.h:55

Definition at line 531 of file adj_midchain.c.

const char* const midchain_mpls_nodes[]
static
Initial value:
=
{
"mpls-midchain",
}
#define NULL
Definition: clib.h:55

Definition at line 536 of file adj_midchain.c.

const char* const* const midchain_nodes[DPO_PROTO_NUM]
static
Initial value:
=
{
}
static const char *const midchain_ip6_nodes[]
Definition: adj_midchain.c:531
static const char *const midchain_ip4_nodes[]
The per-protocol VLIB graph nodes that are assigned to a midchain object.
Definition: adj_midchain.c:526
static const char *const midchain_mpls_nodes[]
Definition: adj_midchain.c:536
static const char *const midchain_ethernet_nodes[]
Definition: adj_midchain.c:541

Definition at line 547 of file adj_midchain.c.