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zebra: dump label table information

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Add the new command "show debugging labeltable" to show allocated label
chunks in the label table managed with label_manager.c

Signed-off-by: Farid Mihoub <farid.mihoub@6wind.com>
Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
fmihoub6WIND 2022-12-02 11:10:19 +01:00 committed by Farid Mihoub
parent 3518fe70cb
commit 2b8e22f264
3 changed files with 34 additions and 0 deletions
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13
doc/user/zebra.rst
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@ -783,6 +783,19 @@ presence of the entry.
21 Static 10.125.0.2 IPv4 Explicit Null 21 Static 10.125.0.2 IPv4 Explicit Null
Allocated label chunks table can be dumped using the command
.. clicmd:: show debugging label-table
::
zebra# show debugging label-table
Proto ospf: [300/350]
Proto srte: [500/500]
Proto isis: [1200/1300]
Proto ospf: [20000/21000]
Proto isis: [22000/23000]
.. _zebra-srv6: .. _zebra-srv6:
Segment-Routing IPv6 Segment-Routing IPv6

20
zebra/label_manager.c
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@ -28,6 +28,8 @@
#include "zebra/zapi_msg.h" #include "zebra/zapi_msg.h"
#include "zebra/debug.h" #include "zebra/debug.h"
#include "zebra/label_manager_clippy.c"
#define CONNECTION_DELAY 5 #define CONNECTION_DELAY 5
struct label_manager lbl_mgr; struct label_manager lbl_mgr;
@ -145,6 +147,22 @@ void lm_hooks_unregister(void)
hook_unregister(lm_release_chunk, label_manager_release_label_chunk); hook_unregister(lm_release_chunk, label_manager_release_label_chunk);
} }
DEFPY(show_label_table, show_label_table_cmd, "show debugging label-table",
SHOW_STR
DEBUG_STR
"Display allocated label chunks\n")
{
struct label_manager_chunk *lmc;
struct listnode *node;
for (ALL_LIST_ELEMENTS_RO(lbl_mgr.lc_list, node, lmc)) {
vty_out(vty, "Proto %s: [%u/%u]\n",
zebra_route_string(lmc->proto), lmc->start, lmc->end);
}
return CMD_SUCCESS;
}
/** /**
* Init label manager (or proxy to an external one) * Init label manager (or proxy to an external one)
*/ */
@ -159,6 +177,8 @@ void label_manager_init(void)
/* notify any external module that we are done */ /* notify any external module that we are done */
hook_call(lm_cbs_inited); hook_call(lm_cbs_inited);
install_element(VIEW_NODE, &show_label_table_cmd);
} }
/* alloc and fill a label chunk */ /* alloc and fill a label chunk */

1
zebra/subdir.am
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@ -124,6 +124,7 @@ clippy_scan += \
zebra/zebra_srv6_vty.c \ zebra/zebra_srv6_vty.c \
zebra/zebra_vrf.c \ zebra/zebra_vrf.c \
zebra/dpdk/zebra_dplane_dpdk_vty.c \ zebra/dpdk/zebra_dplane_dpdk_vty.c \
zebra/label_manager.c \
# end # end
noinst_HEADERS += \ noinst_HEADERS += \