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isisd: show non-zero algos in "show isis route prefix-sid" (2/2)

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Show Prefix-SIDs and labels for all available Flex-Algos.

Signed-off-by: Eric Kinzie <ekinzie@labn.net>
Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
This commit is contained in:
Eric Kinzie 2022-09-02 16:33:43 +02:00 committed by Louis Scalbert
parent a0f45d1b5f
commit e39af3727e
1 changed files with 52 additions and 34 deletions
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86
isisd/isis_spf.c
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@ -2355,23 +2355,28 @@ static void isis_print_route(struct ttable *tt, const struct prefix *prefix,
char buf_prefix[BUFSIZ];
(void)prefix2str(prefix, buf_prefix, sizeof(buf_prefix));
for (ALL_LIST_ELEMENTS_RO(rinfo->nexthops, node, nexthop)) {
for (int alg = 0; alg < SR_ALGORITHM_COUNT; alg++) {
for (ALL_LIST_ELEMENTS_RO(rinfo->sr_algo[alg].nexthops, node,
nexthop)) {
struct interface *ifp;
char buf_iface[BUFSIZ];
char buf_nhop[BUFSIZ];
if (!no_adjacencies) {
inet_ntop(nexthop->family, &nexthop->ip, buf_nhop,
sizeof(buf_nhop));
ifp = if_lookup_by_index(nexthop->ifindex, VRF_DEFAULT);
inet_ntop(nexthop->family, &nexthop->ip,
buf_nhop, sizeof(buf_nhop));
ifp = if_lookup_by_index(nexthop->ifindex,
VRF_DEFAULT);
if (ifp)
strlcpy(buf_iface, ifp->name,
sizeof(buf_iface));
else
snprintf(buf_iface, sizeof(buf_iface),
"ifindex %u", nexthop->ifindex);
"ifindex %u",
nexthop->ifindex);
} else {
strlcpy(buf_nhop, print_sys_hostname(nexthop->sysid),
strlcpy(buf_nhop,
print_sys_hostname(nexthop->sysid),
sizeof(buf_nhop));
strlcpy(buf_iface, "-", sizeof(buf_iface));
}
@ -2380,40 +2385,45 @@ static void isis_print_route(struct ttable *tt, const struct prefix *prefix,
char buf_sid[BUFSIZ] = {};
char buf_lblop[BUFSIZ] = {};
if (nexthop->sr.present) {
if (rinfo->sr_algo[alg].present) {
snprintf(buf_sid, sizeof(buf_sid), "%u",
nexthop->sr.sid.value);
sr_op2str(
buf_lblop, sizeof(buf_lblop),
rinfo->sr_algo[SR_ALGORITHM_SPF].label,
nexthop->sr.label);
} else {
rinfo->sr_algo[alg].sid.value);
sr_op2str(buf_lblop, sizeof(buf_lblop),
rinfo->sr_algo[alg].label,
nexthop->sr.label);
} else if (alg == SR_ALGORITHM_SPF) {
strlcpy(buf_sid, "-", sizeof(buf_sid));
strlcpy(buf_lblop, "-", sizeof(buf_lblop));
strlcpy(buf_lblop, "-",
sizeof(buf_lblop));
} else {
continue;
}
if (first) {
ttable_add_row(tt, "%s|%u|%s|%s|%s|%s",
buf_prefix, rinfo->cost,
buf_iface, buf_nhop, buf_sid,
buf_lblop);
ttable_add_row(tt,
"%s|%u|%s|%s|%s|%s|%d",
buf_prefix, rinfo->cost,
buf_iface, buf_nhop,
buf_sid, buf_lblop, alg);
first = false;
} else
ttable_add_row(tt, "||%s|%s|%s|%s", buf_iface,
buf_nhop, buf_sid, buf_lblop);
ttable_add_row(tt, "||%s|%s|%s|%s|%d",
buf_iface, buf_nhop,
buf_sid, buf_lblop, alg);
} else {
char buf_labels[BUFSIZ] = {};
if (nexthop->label_stack) {
for (int i = 0;
i < nexthop->label_stack->num_labels;
i++) {
i <
nexthop->label_stack->num_labels;
i++) {
char buf_label[BUFSIZ];
label2str(
nexthop->label_stack->label[i],
0, buf_label,
sizeof(buf_label));
label2str(nexthop->label_stack
->label[i],
0, buf_label,
sizeof(buf_label));
if (i != 0)
strlcat(buf_labels, "/",
sizeof(buf_labels));
@ -2421,21 +2431,27 @@ static void isis_print_route(struct ttable *tt, const struct prefix *prefix,
sizeof(buf_labels));
}
} else if (nexthop->sr.present)
label2str(nexthop->sr.label, 0, buf_labels,
label2str(nexthop->sr.label, 0,
buf_labels,
sizeof(buf_labels));
else
strlcpy(buf_labels, "-", sizeof(buf_labels));
strlcpy(buf_labels, "-",
sizeof(buf_labels));
if (first) {
ttable_add_row(tt, "%s|%u|%s|%s|%s", buf_prefix,
rinfo->cost, buf_iface, buf_nhop,
buf_labels);
ttable_add_row(tt, "%s|%u|%s|%s|%s",
buf_prefix, rinfo->cost,
buf_iface, buf_nhop,
buf_labels);
first = false;
} else
ttable_add_row(tt, "||%s|%s|%s", buf_iface,
buf_nhop, buf_labels);
ttable_add_row(tt, "||%s|%s|%s",
buf_iface, buf_nhop,
buf_labels);
}
}
}
if (list_isempty(rinfo->nexthops)) {
if (prefix_sid) {
char buf_sid[BUFSIZ] = {};
@ -2496,7 +2512,9 @@ void isis_print_routes(struct vty *vty, struct isis_spftree *spftree,
/* Prepare table. */
tt = ttable_new(&ttable_styles[TTSTYLE_BLANK]);
if (prefix_sid)
ttable_add_row(tt, "Prefix|Metric|Interface|Nexthop|SID|Label Op.");
ttable_add_row(
tt,
"Prefix|Metric|Interface|Nexthop|SID|Label Op.|Algo");
else
ttable_add_row(tt, "Prefix|Metric|Interface|Nexthop|Label(s)");
tt->style.cell.rpad = 2;