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| static void | adj_poison (ip_adjacency_t *adj) |
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| ip_adjacency_t * | adj_alloc (fib_protocol_t proto) |
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| static int | adj_index_is_special (adj_index_t adj_index) |
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| u8 * | format_ip_adjacency (u8 *s, va_list *args) |
| | Pretty print helper function for formatting specific adjacencies. More...
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| static void | adj_last_lock_gone (ip_adjacency_t *adj) |
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| void | adj_lock (adj_index_t adj_index) |
| | An adjacency is a representation of an attached L3 peer. More...
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| void | adj_unlock (adj_index_t adj_index) |
| | Release a reference counting lock on the adjacency. More...
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| u32 | adj_child_add (adj_index_t adj_index, fib_node_type_t child_type, fib_node_index_t child_index) |
| | Add a child dependent to an adjacency. More...
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| void | adj_child_remove (adj_index_t adj_index, u32 sibling_index) |
| | Remove a child dependent. More...
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| static adj_walk_rc_t | adj_feature_update_walk_cb (adj_index_t ai, void *arg) |
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| void | adj_feature_update (u32 sw_if_index, u8 arc_index, u8 is_enable) |
| | Notify the adjacency subsystem that the features settings for an interface have changed. More...
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| void | adj_walk (u32 sw_if_index, adj_walk_cb_t cb, void *ctx) |
| | Walk the Adjacencies on a given interface. More...
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| vnet_link_t | adj_get_link_type (adj_index_t ai) |
| | Return the link type of the adjacency. More...
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| u32 | adj_get_sw_if_index (adj_index_t ai) |
| | Return the sw interface index of the adjacency. More...
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| const u8 * | adj_get_rewrite (adj_index_t ai) |
| | Return the link type of the adjacency. More...
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| static fib_node_t * | adj_get_node (fib_node_index_t index) |
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| static void | adj_node_last_lock_gone (fib_node_t *node) |
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| static fib_node_back_walk_rc_t | adj_back_walk_notify (fib_node_t *node, fib_node_back_walk_ctx_t *ctx) |
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| static clib_error_t * | adj_module_init (vlib_main_t *vm) |
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| static clib_error_t * | adj_show (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd) |
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| static clib_error_t * | adj_cli_counters_set (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd) |
| | CLI invoked function to enable/disable per-adj counters. More...
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An adjacency is a representation of an attached L3 peer.
Adjacency Sub-types:
- neighbour: a representation of an attached L3 peer. Key:{addr,interface,link/ether-type} SHARED
- glean: used to drive ARP/ND for packets destined to a local sub-net. 'glean' mean use the packet's destination address as the target address in the ARP packet. UNSHARED. Only one per-interface.
- midchain: a nighbour adj on a virtual/tunnel interface.
- rewrite: an adj with no key, but with a rewrite string.
The API to create and update the adjacency is very sub-type specific. This is intentional as it encourages the user to carefully consider which adjacency sub-type they are really using, and hence assign it data in the appropriate sub-type space in the union of sub-types. This prevents the adj becoming a disorganised dumping group for 'my features needs a u16 somewhere' data. It is important to enforce this approach as space in the adjacency is a premium, as we need it to fit in 1 cache line.
the API is also based around an index to an ajdacency not a raw pointer. This is so the user doesn't suffer the same limp inducing firearm injuries that the author suffered as the adjacenices can realloc.
Take a reference counting lock on the adjacency
Definition at line 198 of file adj.c.
Include dependency graph for adj.c:
1.8.11 
