mpls: implement state change callbacks
There was already a basic type defined, but nothing more. This implements callbacks similar to ip4_enable_disable_interface_callback_t. Type: feature Change-Id: I34fcb146ca68af4eb8cdd244529eb149f884284d Signed-off-by: Adrian Pistol <vifino@posteo.net>
This commit is contained in:

committed by
Neale Ranns

parent
06f1290703
commit
ae48ffb503
@ -22,6 +22,14 @@
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#include <vnet/adj/adj_midchain.h>
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#include <vnet/dpo/classify_dpo.h>
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typedef struct
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{
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mpls_interface_state_change_function_t *function;
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uword function_opaque;
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} mpls_interface_state_change_callback_t;
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/** Functions to call when interface becomes MPLS enabled/disabled. */
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static mpls_interface_state_change_callback_t *state_change_callbacks;
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u8
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mpls_sw_interface_is_enabled (u32 sw_if_index)
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@ -34,6 +42,17 @@ mpls_sw_interface_is_enabled (u32 sw_if_index)
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return (mm->mpls_enabled_by_sw_if_index[sw_if_index]);
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}
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void
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mpls_interface_state_change_add_callback (
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mpls_interface_state_change_function_t *function, uword opaque)
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{
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mpls_interface_state_change_callback_t cb = {
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.function = function,
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.function_opaque = opaque,
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};
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vec_add1 (state_change_callbacks, cb);
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}
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int
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mpls_sw_interface_enable_disable (mpls_main_t *mm, u32 sw_if_index,
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u8 is_enable)
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@ -81,6 +100,12 @@ mpls_sw_interface_enable_disable (mpls_main_t *mm, u32 sw_if_index,
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else if (hi->l3_if_count)
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hi->l3_if_count--;
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{
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mpls_interface_state_change_callback_t *cb;
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vec_foreach (cb, state_change_callbacks)
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cb->function (mm, cb->function_opaque, sw_if_index, is_enable);
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}
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return (0);
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}
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@ -23,14 +23,18 @@
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#include <vnet/fib/fib_node.h>
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#include <vnet/adj/adj.h>
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struct mpls_main_t;
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/**
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* @brief Definition of a callback for receiving MPLS interface state change
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* notifications
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*/
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typedef void (*mpls_interface_state_change_callback_t) (u32 sw_if_index,
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u32 is_enable);
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typedef void (mpls_interface_state_change_function_t) (struct mpls_main_t *mm,
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uword opaque,
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u32 sw_if_index,
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u32 is_enable);
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typedef struct
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typedef struct mpls_main_t
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{
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/* MPLS FIB index for each software interface */
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u32 *fib_index_by_sw_if_index;
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@ -77,11 +81,14 @@ unformat_function_t unformat_mpls_unicast_label;
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unformat_function_t unformat_mpls_header;
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unformat_function_t unformat_pg_mpls_header;
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u8 mpls_sw_interface_is_enabled (u32 sw_if_index);
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void mpls_interface_state_change_add_callback (
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mpls_interface_state_change_function_t *function, uword opaque);
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int mpls_sw_interface_enable_disable (mpls_main_t *mm, u32 sw_if_index,
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u8 is_enable);
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u8 mpls_sw_interface_is_enabled (u32 sw_if_index);
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int mpls_dest_cmp (void *a1, void *a2);
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int mpls_fib_index_cmp (void *a1, void *a2);
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