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lib, zebra: dup addr detect display detection fields

Browse Source 
Display following Per MAC and Neigh's output:
If duplicate address detection is under process,
display detection start time and detection count.
If duplicate address detection detected an address
as duplicate, display detection time and duplicate
status.

Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
This commit is contained in:
Chirag Shah 2018-11-04 09:36:47 -08:00
parent c80a972c9a
commit 87454e6bd1
2 changed files with 103 additions and 0 deletions
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11
lib/monotime.h
View File

@ -80,4 +80,15 @@ static inline int64_t monotime_until(const struct timeval *ref,
return (int64_t)tv.tv_sec * 1000000LL + tv.tv_usec;
}
static inline char *time_to_string(time_t ts)
{
struct timeval tv;
time_t tbuf;
monotime(&tv);
tbuf = time(NULL) - (tv.tv_sec - ts);
return ctime(&tbuf);
}
#endif /* _FRR_MONOTIME_H */

92
zebra/zebra_vxlan.c
View File

@ -350,7 +350,10 @@ static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json)
const char *type_str;
const char *state_str;
bool flags_present = false;
struct zebra_vrf *zvrf;
struct timeval detect_start_time = {0, 0};
zvrf = zebra_vrf_lookup_by_id(n->zvni->vrf_id);
ipaddr2str(&n->ip, buf2, sizeof(buf2));
prefix_mac2str(&n->emac, buf1, sizeof(buf1));
type_str = CHECK_FLAG(n->flags, ZEBRA_NEIGH_LOCAL) ?
@ -397,9 +400,36 @@ static void zvni_print_neigh(zebra_neigh_t *n, void *ctxt, json_object *json)
vty_out(vty, "\n");
vty_out(vty, " Local Seq: %u Remote Seq: %u\n",
n->loc_seq, n->rem_seq);
if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE)) {
vty_out(vty, " Duplicate, detected at %s",
time_to_string(n->dad_dup_detect_time));
} else if (n->dad_count) {
monotime_since(&n->detect_start_time,
&detect_start_time);
if (detect_start_time.tv_sec <= zvrf->dad_time) {
char *buf = time_to_string(n->
detect_start_time.tv_sec);
char tmp_buf[30];
memset(tmp_buf, 0, 30);
strncpy(tmp_buf, buf, strlen(buf) - 1);
vty_out(vty,
" Duplicate detection started at %s, detection count %u\n",
tmp_buf, n->dad_count);
}
}
} else {
json_object_int_add(json, "localSequence", n->loc_seq);
json_object_int_add(json, "remoteSequence", n->rem_seq);
json_object_int_add(json, "detectionCount",
n->dad_count);
if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE))
json_object_boolean_true_add(json, "isDuplicate");
else
json_object_boolean_false_add(json, "isDuplicate");
}
}
@ -445,6 +475,14 @@ static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt)
n->loc_seq);
json_object_int_add(json_row, "remoteSequence",
n->rem_seq);
json_object_int_add(json_row, "detectionCount",
n->dad_count);
if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE))
json_object_boolean_true_add(json_row,
"isDuplicate");
else
json_object_boolean_false_add(json_row,
"isDuplicate");
}
wctx->count++;
} else if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_REMOTE)) {
@ -475,6 +513,14 @@ static void zvni_print_neigh_hash(struct hash_backet *backet, void *ctxt)
n->loc_seq);
json_object_int_add(json_row, "remoteSequence",
n->rem_seq);
json_object_int_add(json_row, "detectionCount",
n->dad_count);
if (CHECK_FLAG(n->flags, ZEBRA_NEIGH_DUPLICATE))
json_object_boolean_true_add(json_row,
"isDuplicate");
else
json_object_boolean_false_add(json_row,
"isDuplicate");
}
wctx->count++;
}
@ -625,6 +671,10 @@ static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json)
struct listnode *node = NULL;
char buf1[20];
char buf2[INET6_ADDRSTRLEN];
struct zebra_vrf *zvrf;
struct timeval detect_start_time = {0, 0};
zvrf = zebra_vrf_lookup_by_id(mac->zvni->vrf_id);
vty = (struct vty *)ctxt;
prefix_mac2str(&mac->macaddr, buf1, sizeof(buf1));
@ -670,6 +720,12 @@ static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json)
json_object_int_add(json_mac, "localSequence", mac->loc_seq);
json_object_int_add(json_mac, "remoteSequence", mac->rem_seq);
json_object_int_add(json_mac, "detectionCount", mac->dad_count);
if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE))
json_object_boolean_true_add(json_mac, "isDuplicate");
else
json_object_boolean_false_add(json_mac, "isDuplicate");
/* print all the associated neigh */
if (!listcount(mac->neigh_list))
json_object_string_add(json_mac, "neighbors", "none");
@ -747,6 +803,25 @@ static void zvni_print_mac(zebra_mac_t *mac, void *ctxt, json_object *json)
mac->rem_seq);
vty_out(vty, "\n");
if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE)) {
vty_out(vty, " Duplicate, detected at %s",
time_to_string(mac->dad_dup_detect_time));
} else if (mac->dad_count) {
monotime_since(&mac->detect_start_time,
&detect_start_time);
if (detect_start_time.tv_sec <= zvrf->dad_time) {
char *buf = time_to_string(mac->
detect_start_time.tv_sec);
char tmp_buf[30];
memset(tmp_buf, 0, 30);
strncpy(tmp_buf, buf, strlen(buf) - 1);
vty_out(vty,
" Duplicate detection started at %s, detection count %u\n",
tmp_buf, mac->dad_count);
}
}
/* print all the associated neigh */
vty_out(vty, " Neighbors:\n");
if (!listcount(mac->neigh_list))
@ -820,6 +895,14 @@ static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt)
mac->loc_seq);
json_object_int_add(json_mac, "remoteSequence",
mac->rem_seq);
json_object_int_add(json_mac, "detectionCount",
mac->dad_count);
if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE))
json_object_boolean_true_add(json_mac,
"isDuplicate");
else
json_object_boolean_false_add(json_mac,
"isDuplicate");
json_object_object_add(json_mac_hdr, buf1, json_mac);
}
@ -850,6 +933,15 @@ static void zvni_print_mac_hash(struct hash_backet *backet, void *ctxt)
mac->loc_seq);
json_object_int_add(json_mac, "remoteSequence",
mac->rem_seq);
json_object_int_add(json_mac, "detectionCount",
mac->dad_count);
if (CHECK_FLAG(mac->flags, ZEBRA_MAC_DUPLICATE))
json_object_boolean_true_add(json_mac,
"isDuplicate");
else
json_object_boolean_false_add(json_mac,
"isDuplicate");
}
wctx->count++;