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isisd: Provide better flooding debugging

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Show from where LSP flooding is triggered.

Signed-off-by: Christian Franke <chris@opensourcerouting.org>
This commit is contained in:
Christian Franke 2018-11-16 16:31:37 +01:00 committed by Rodny Molina
parent c6476defc5
commit ddb33326ff
6 changed files with 59 additions and 52 deletions
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23
isisd/fabricd.c
View File

@ -502,7 +502,7 @@ static void move_to_dnr(struct isis_lsp *lsp, struct neighbor_entry *n)
n->present = false;
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
if (isis->debugs & DEBUG_FLOODING) {
char buff[PREFIX2STR_BUFFER];
zlog_debug("OpenFabric: Adding %s to DNR",
vid2string(n->vertex, buff, sizeof(buff)));
@ -520,7 +520,7 @@ static void move_to_rf(struct isis_lsp *lsp, struct neighbor_entry *n)
n->present = false;
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
if (isis->debugs & DEBUG_FLOODING) {
char buff[PREFIX2STR_BUFFER];
zlog_debug("OpenFabric: Adding %s to RF",
vid2string(n->vertex, buff, sizeof(buff)));
@ -549,7 +549,7 @@ static void handle_firsthops(struct hash_backet *backet, void *arg)
n = neighbor_entry_lookup_list(f->neighbors, vertex->N.id);
if (n) {
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
if (isis->debugs & DEBUG_FLOODING) {
char buff[PREFIX2STR_BUFFER];
zlog_debug("Removing %s from NL as its in the reverse path",
vid2string(vertex, buff, sizeof(buff)));
@ -559,7 +559,7 @@ static void handle_firsthops(struct hash_backet *backet, void *arg)
n = neighbor_entry_lookup_hash(f->neighbors_neighbors, vertex->N.id);
if (n) {
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
if (isis->debugs & DEBUG_FLOODING) {
char buff[PREFIX2STR_BUFFER];
zlog_debug("Removing %s from NN as its in the reverse path",
vid2string(vertex, buff, sizeof(buff)));
@ -576,11 +576,6 @@ void fabricd_lsp_flood(struct isis_lsp *lsp)
void *cursor = NULL;
struct neighbor_entry *n;
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
zlog_debug("OpenFabric: Flooding LSP %s",
rawlspid_print(lsp->hdr.lsp_id));
}
/* Mark all elements in NL as present and move T0s into DNR */
while (!skiplist_next(f->neighbors, NULL, (void **)&n, &cursor)) {
n->present = true;
@ -595,7 +590,7 @@ void fabricd_lsp_flood(struct isis_lsp *lsp)
continue;
}
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
if (isis->debugs & DEBUG_FLOODING) {
zlog_debug("Moving %s to DNR because it's T0",
rawlspid_print(node_lsp->hdr.lsp_id));
}
@ -623,7 +618,7 @@ void fabricd_lsp_flood(struct isis_lsp *lsp)
struct isis_lsp *nlsp = lsp_for_vertex(f->spftree, n->vertex);
if (!nlsp || !nlsp->tlvs) {
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
if (isis->debugs & DEBUG_FLOODING) {
char buff[PREFIX2STR_BUFFER];
zlog_debug("Moving %s to DNR as it has no LSP",
vid2string(n->vertex, buff, sizeof(buff)));
@ -633,7 +628,7 @@ void fabricd_lsp_flood(struct isis_lsp *lsp)
continue;
}
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
if (isis->debugs & DEBUG_FLOODING) {
char buff[PREFIX2STR_BUFFER];
zlog_debug("Considering %s from NL...",
vid2string(n->vertex, buff, sizeof(buff)));
@ -651,7 +646,7 @@ void fabricd_lsp_flood(struct isis_lsp *lsp)
er->id);
if (nn) {
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
if (isis->debugs & DEBUG_FLOODING) {
char buff[PREFIX2STR_BUFFER];
zlog_debug("Found neighbor %s in NN, removing it from NN and setting reflood.",
vid2string(nn->vertex, buff, sizeof(buff)));
@ -668,7 +663,7 @@ void fabricd_lsp_flood(struct isis_lsp *lsp)
move_to_dnr(lsp, n);
}
if (isis->debugs & DEBUG_FABRICD_FLOODING) {
if (isis->debugs & DEBUG_FLOODING) {
zlog_debug("OpenFabric: Flooding algorithm complete.");
}
}

11
isisd/isis_lsp.c
View File

@ -1997,8 +1997,17 @@ void lsp_set_all_srmflags(struct isis_lsp *lsp, bool set)
}
}
void lsp_flood(struct isis_lsp *lsp, struct isis_circuit *circuit)
void _lsp_flood(struct isis_lsp *lsp, struct isis_circuit *circuit,
const char *func, const char *file, int line)
{
if (isis->debugs & DEBUG_FLOODING) {
zlog_debug("Flooding LSP %s%s%s (From %s %s:%d)",
rawlspid_print(lsp->hdr.lsp_id),
circuit ? " except on " : "",
circuit ? circuit->interface->name : "",
func, file, line);
}
if (!fabricd)
lsp_set_all_srmflags(lsp, true);
else

6
isisd/isis_lsp.h
View File

@ -105,7 +105,11 @@ void lsp_print_detail(struct isis_lsp *lsp, struct vty *vty, char dynhost);
int lsp_print_all(struct vty *vty, dict_t *lspdb, char detail, char dynhost);
/* sets SRMflags for all active circuits of an lsp */
void lsp_set_all_srmflags(struct isis_lsp *lsp, bool set);
void lsp_flood(struct isis_lsp *lsp, struct isis_circuit *circuit);
#define lsp_flood(lsp, circuit) \
_lsp_flood((lsp), (circuit), __func__, __FILE__, __LINE__)
void _lsp_flood(struct isis_lsp *lsp, struct isis_circuit *circuit,
const char *func, const char *file, int line);
void lsp_init(void);
#endif /* ISIS_LSP */

32
isisd/isis_vty_fabricd.c
View File

@ -55,40 +55,8 @@ DEFUN (no_fabric_tier,
return CMD_SUCCESS;
}
DEFUN (debug_fabric_flooding,
debug_fabric_flooding_cmd,
"debug openfabric flooding",
DEBUG_STR
PROTO_HELP
"Flooding optimization algorithm\n")
{
isis->debugs |= DEBUG_FABRICD_FLOODING;
print_debug(vty, DEBUG_FABRICD_FLOODING, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_fabric_flooding,
no_debug_fabric_flooding_cmd,
"no debug openfabric flooding",
NO_STR
UNDEBUG_STR
PROTO_HELP
"Flooding optimization algorithm\n")
{
isis->debugs &= ~DEBUG_FABRICD_FLOODING;
print_debug(vty, DEBUG_FABRICD_FLOODING, 0);
return CMD_SUCCESS;
}
void isis_vty_daemon_init(void)
{
install_element(ROUTER_NODE, &fabric_tier_cmd);
install_element(ROUTER_NODE, &no_fabric_tier_cmd);
install_element(ENABLE_NODE, &debug_fabric_flooding_cmd);
install_element(ENABLE_NODE, &no_debug_fabric_flooding_cmd);
install_element(CONFIG_NODE, &debug_fabric_flooding_cmd);
install_element(CONFIG_NODE, &no_debug_fabric_flooding_cmd);
}

37
isisd/isisd.c
View File

@ -741,8 +741,8 @@ void print_debug(struct vty *vty, int flags, int onoff)
vty_out(vty, "IS-IS LSP generation debugging is %s\n", onoffs);
if (flags & DEBUG_LSP_SCHED)
vty_out(vty, "IS-IS LSP scheduling debugging is %s\n", onoffs);
if (flags & DEBUG_FABRICD_FLOODING)
vty_out(vty, "OpenFabric Flooding debugging is %s\n", onoffs);
if (flags & DEBUG_FLOODING)
vty_out(vty, "IS-IS Flooding debugging is %s\n", onoffs);
if (flags & DEBUG_BFD)
vty_out(vty, "IS-IS BFD debugging is %s\n", onoffs);
}
@ -810,7 +810,7 @@ static int config_write_debug(struct vty *vty)
vty_out(vty, "debug " PROTO_NAME " lsp-sched\n");
write++;
}
if (flags & DEBUG_FABRICD_FLOODING) {
if (flags & DEBUG_FLOODING) {
vty_out(vty, "debug " PROTO_NAME " flooding\n");
write++;
}
@ -877,6 +877,33 @@ DEFUN (no_debug_isis_tx_queue,
return CMD_SUCCESS;
}
DEFUN (debug_isis_flooding,
debug_isis_flooding_cmd,
"debug " PROTO_NAME " flooding",
DEBUG_STR
PROTO_HELP
"Flooding algorithm\n")
{
isis->debugs |= DEBUG_FLOODING;
print_debug(vty, DEBUG_FLOODING, 1);
return CMD_SUCCESS;
}
DEFUN (no_debug_isis_flooding,
no_debug_isis_flooding_cmd,
"no debug " PROTO_NAME " flooding",
NO_STR
UNDEBUG_STR
PROTO_HELP
"Flooding algorithm\n")
{
isis->debugs &= ~DEBUG_FLOODING;
print_debug(vty, DEBUG_FLOODING, 0);
return CMD_SUCCESS;
}
DEFUN (debug_isis_snp,
debug_isis_snp_cmd,
"debug " PROTO_NAME " snp-packets",
@ -2097,6 +2124,8 @@ void isis_init()
install_element(ENABLE_NODE, &no_debug_isis_adj_cmd);
install_element(ENABLE_NODE, &debug_isis_tx_queue_cmd);
install_element(ENABLE_NODE, &no_debug_isis_tx_queue_cmd);
install_element(ENABLE_NODE, &debug_isis_flooding_cmd);
install_element(ENABLE_NODE, &no_debug_isis_flooding_cmd);
install_element(ENABLE_NODE, &debug_isis_snp_cmd);
install_element(ENABLE_NODE, &no_debug_isis_snp_cmd);
install_element(ENABLE_NODE, &debug_isis_upd_cmd);
@ -2120,6 +2149,8 @@ void isis_init()
install_element(CONFIG_NODE, &no_debug_isis_adj_cmd);
install_element(CONFIG_NODE, &debug_isis_tx_queue_cmd);
install_element(CONFIG_NODE, &no_debug_isis_tx_queue_cmd);
install_element(CONFIG_NODE, &debug_isis_flooding_cmd);
install_element(CONFIG_NODE, &no_debug_isis_flooding_cmd);
install_element(CONFIG_NODE, &debug_isis_snp_cmd);
install_element(CONFIG_NODE, &no_debug_isis_snp_cmd);
install_element(CONFIG_NODE, &debug_isis_upd_cmd);

2
isisd/isisd.h
View File

@ -212,7 +212,7 @@ extern struct thread_master *master;
#define DEBUG_PACKET_DUMP (1<<6)
#define DEBUG_LSP_GEN (1<<7)
#define DEBUG_LSP_SCHED (1<<8)
#define DEBUG_FABRICD_FLOODING (1<<9)
#define DEBUG_FLOODING (1<<9)
#define DEBUG_BFD (1<<10)
#define DEBUG_TX_QUEUE (1<<11)