vector ospf6_lsa_handler_vector;
-static int
-ospf6_unknown_lsa_show (struct vty *vty, struct ospf6_lsa *lsa)
+static int ospf6_unknown_lsa_show(struct vty *vty, struct ospf6_lsa *lsa)
{
- u_char *start, *end, *current;
- char byte[4];
+ u_char *start, *end, *current;
+ char byte[4];
- start = (u_char *) lsa->header + sizeof (struct ospf6_lsa_header);
- end = (u_char *) lsa->header + ntohs (lsa->header->length);
+ start = (u_char *)lsa->header + sizeof(struct ospf6_lsa_header);
+ end = (u_char *)lsa->header + ntohs(lsa->header->length);
- vty_out (vty, " Unknown contents:\n");
- for (current = start; current < end; current ++)
- {
- if ((current - start) % 16 == 0)
- vty_out (vty, "\n ");
- else if ((current - start) % 4 == 0)
- vty_out (vty, " ");
+ vty_out(vty, " Unknown contents:\n");
+ for (current = start; current < end; current++) {
+ if ((current - start) % 16 == 0)
+ vty_out(vty, "\n ");
+ else if ((current - start) % 4 == 0)
+ vty_out(vty, " ");
- snprintf (byte, sizeof (byte), "%02x", *current);
- vty_out (vty, "%s", byte);
- }
+ snprintf(byte, sizeof(byte), "%02x", *current);
+ vty_out(vty, "%s", byte);
+ }
- vty_out (vty, "\n\n");
- return 0;
+ vty_out(vty, "\n\n");
+ return 0;
}
-struct ospf6_lsa_handler unknown_handler =
-{
- OSPF6_LSTYPE_UNKNOWN,
- "Unknown",
- "Unk",
- ospf6_unknown_lsa_show,
- NULL
-};
+struct ospf6_lsa_handler unknown_handler = {
+ OSPF6_LSTYPE_UNKNOWN, "Unknown", "Unk", ospf6_unknown_lsa_show, NULL};
-void
-ospf6_install_lsa_handler (struct ospf6_lsa_handler *handler)
+void ospf6_install_lsa_handler(struct ospf6_lsa_handler *handler)
{
- /* type in handler is host byte order */
- int index = handler->type & OSPF6_LSTYPE_FCODE_MASK;
- vector_set_index (ospf6_lsa_handler_vector, index, handler);
+ /* type in handler is host byte order */
+ int index = handler->type & OSPF6_LSTYPE_FCODE_MASK;
+ vector_set_index(ospf6_lsa_handler_vector, index, handler);
}
-struct ospf6_lsa_handler *
-ospf6_get_lsa_handler (u_int16_t type)
+struct ospf6_lsa_handler *ospf6_get_lsa_handler(u_int16_t type)
{
- struct ospf6_lsa_handler *handler = NULL;
- unsigned int index = ntohs (type) & OSPF6_LSTYPE_FCODE_MASK;
+ struct ospf6_lsa_handler *handler = NULL;
+ unsigned int index = ntohs(type) & OSPF6_LSTYPE_FCODE_MASK;
- if (index >= vector_active (ospf6_lsa_handler_vector))
- handler = &unknown_handler;
- else
- handler = vector_slot (ospf6_lsa_handler_vector, index);
+ if (index >= vector_active(ospf6_lsa_handler_vector))
+ handler = &unknown_handler;
+ else
+ handler = vector_slot(ospf6_lsa_handler_vector, index);
- if (handler == NULL)
- handler = &unknown_handler;
+ if (handler == NULL)
+ handler = &unknown_handler;
- return handler;
+ return handler;
}
-const char *
-ospf6_lstype_name (u_int16_t type)
+const char *ospf6_lstype_name(u_int16_t type)
{
- static char buf[8];
- struct ospf6_lsa_handler *handler;
+ static char buf[8];
+ struct ospf6_lsa_handler *handler;
- handler = ospf6_get_lsa_handler (type);
- if (handler && handler != &unknown_handler)
- return handler->name;
+ handler = ospf6_get_lsa_handler(type);
+ if (handler && handler != &unknown_handler)
+ return handler->name;
- snprintf (buf, sizeof (buf), "0x%04hx", ntohs (type));
- return buf;
+ snprintf(buf, sizeof(buf), "0x%04hx", ntohs(type));
+ return buf;
}
-const char *
-ospf6_lstype_short_name (u_int16_t type)
+const char *ospf6_lstype_short_name(u_int16_t type)
{
- static char buf[8];
- struct ospf6_lsa_handler *handler;
+ static char buf[8];
+ struct ospf6_lsa_handler *handler;
- handler = ospf6_get_lsa_handler (type);
- if (handler && handler != &unknown_handler)
- return handler->short_name;
+ handler = ospf6_get_lsa_handler(type);
+ if (handler && handler != &unknown_handler)
+ return handler->short_name;
- snprintf (buf, sizeof (buf), "0x%04hx", ntohs (type));
- return buf;
+ snprintf(buf, sizeof(buf), "0x%04hx", ntohs(type));
+ return buf;
}
-u_char
-ospf6_lstype_debug (u_int16_t type)
+u_char ospf6_lstype_debug(u_int16_t type)
{
- struct ospf6_lsa_handler *handler;
- handler = ospf6_get_lsa_handler (type);
- return handler->debug;
+ struct ospf6_lsa_handler *handler;
+ handler = ospf6_get_lsa_handler(type);
+ return handler->debug;
}
/* RFC2328: Section 13.2 */
-int
-ospf6_lsa_is_differ (struct ospf6_lsa *lsa1,
- struct ospf6_lsa *lsa2)
+int ospf6_lsa_is_differ(struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2)
{
- int len;
+ int len;
- assert (OSPF6_LSA_IS_SAME (lsa1, lsa2));
+ assert(OSPF6_LSA_IS_SAME(lsa1, lsa2));
- /* XXX, Options ??? */
+ /* XXX, Options ??? */
- ospf6_lsa_age_current (lsa1);
- ospf6_lsa_age_current (lsa2);
- if (ntohs (lsa1->header->age) == OSPF_LSA_MAXAGE &&
- ntohs (lsa2->header->age) != OSPF_LSA_MAXAGE)
- return 1;
- if (ntohs (lsa1->header->age) != OSPF_LSA_MAXAGE &&
- ntohs (lsa2->header->age) == OSPF_LSA_MAXAGE)
- return 1;
+ ospf6_lsa_age_current(lsa1);
+ ospf6_lsa_age_current(lsa2);
+ if (ntohs(lsa1->header->age) == OSPF_LSA_MAXAGE
+ && ntohs(lsa2->header->age) != OSPF_LSA_MAXAGE)
+ return 1;
+ if (ntohs(lsa1->header->age) != OSPF_LSA_MAXAGE
+ && ntohs(lsa2->header->age) == OSPF_LSA_MAXAGE)
+ return 1;
- /* compare body */
- if (ntohs (lsa1->header->length) != ntohs (lsa2->header->length))
- return 1;
+ /* compare body */
+ if (ntohs(lsa1->header->length) != ntohs(lsa2->header->length))
+ return 1;
- len = ntohs (lsa1->header->length) - sizeof (struct ospf6_lsa_header);
- return memcmp (lsa1->header + 1, lsa2->header + 1, len);
+ len = ntohs(lsa1->header->length) - sizeof(struct ospf6_lsa_header);
+ return memcmp(lsa1->header + 1, lsa2->header + 1, len);
}
-int
-ospf6_lsa_is_changed (struct ospf6_lsa *lsa1,
- struct ospf6_lsa *lsa2)
+int ospf6_lsa_is_changed(struct ospf6_lsa *lsa1, struct ospf6_lsa *lsa2)
{
- int length;
+ int length;
- if (OSPF6_LSA_IS_MAXAGE (lsa1) ^ OSPF6_LSA_IS_MAXAGE (lsa2))
- return 1;
- if (ntohs (lsa1->header->length) != ntohs (lsa2->header->length))
- return 1;
- /* Going beyond LSA headers to compare the payload only makes sense, when both LSAs aren't header-only. */
- if (CHECK_FLAG (lsa1->flag, OSPF6_LSA_HEADERONLY) != CHECK_FLAG (lsa2->flag, OSPF6_LSA_HEADERONLY))
- {
- zlog_warn ("%s: only one of two (%s, %s) LSAs compared is header-only", __func__, lsa1->name, lsa2->name);
- return 1;
- }
- if (CHECK_FLAG (lsa1->flag, OSPF6_LSA_HEADERONLY))
- return 0;
+ if (OSPF6_LSA_IS_MAXAGE(lsa1) ^ OSPF6_LSA_IS_MAXAGE(lsa2))
+ return 1;
+ if (ntohs(lsa1->header->length) != ntohs(lsa2->header->length))
+ return 1;
+ /* Going beyond LSA headers to compare the payload only makes sense,
+ * when both LSAs aren't header-only. */
+ if (CHECK_FLAG(lsa1->flag, OSPF6_LSA_HEADERONLY)
+ != CHECK_FLAG(lsa2->flag, OSPF6_LSA_HEADERONLY)) {
+ zlog_warn(
+ "%s: only one of two (%s, %s) LSAs compared is header-only",
+ __func__, lsa1->name, lsa2->name);
+ return 1;
+ }
+ if (CHECK_FLAG(lsa1->flag, OSPF6_LSA_HEADERONLY))
+ return 0;
- length = OSPF6_LSA_SIZE (lsa1->header) - sizeof (struct ospf6_lsa_header);
- /* Once upper layer verifies LSAs received, length underrun should become a warning. */
- if (length <= 0)
- return 0;
+ length = OSPF6_LSA_SIZE(lsa1->header) - sizeof(struct ospf6_lsa_header);
+ /* Once upper layer verifies LSAs received, length underrun should
+ * become a warning. */
+ if (length <= 0)
+ return 0;
- return memcmp (OSPF6_LSA_HEADER_END (lsa1->header),
- OSPF6_LSA_HEADER_END (lsa2->header), length);
+ return memcmp(OSPF6_LSA_HEADER_END(lsa1->header),
+ OSPF6_LSA_HEADER_END(lsa2->header), length);
}
/* ospf6 age functions */
/* calculate birth */
-static void
-ospf6_lsa_age_set (struct ospf6_lsa *lsa)
+static void ospf6_lsa_age_set(struct ospf6_lsa *lsa)
{
- struct timeval now;
+ struct timeval now;
- assert (lsa && lsa->header);
+ assert(lsa && lsa->header);
- monotime(&now);
+ monotime(&now);
- lsa->birth.tv_sec = now.tv_sec - ntohs (lsa->header->age);
- lsa->birth.tv_usec = now.tv_usec;
+ lsa->birth.tv_sec = now.tv_sec - ntohs(lsa->header->age);
+ lsa->birth.tv_usec = now.tv_usec;
- return;
+ return;
}
/* this function calculates current age from its birth,
then update age field of LSA header. return value is current age */
-u_int16_t
-ospf6_lsa_age_current (struct ospf6_lsa *lsa)
+u_int16_t ospf6_lsa_age_current(struct ospf6_lsa *lsa)
{
- struct timeval now;
- u_int32_t ulage;
- u_int16_t age;
+ struct timeval now;
+ u_int32_t ulage;
+ u_int16_t age;
- assert (lsa);
- assert (lsa->header);
+ assert(lsa);
+ assert(lsa->header);
- /* current time */
- monotime(&now);
+ /* current time */
+ monotime(&now);
- if (ntohs (lsa->header->age) >= OSPF_LSA_MAXAGE)
- {
- /* ospf6_lsa_premature_aging () sets age to MAXAGE; when using
- relative time, we cannot compare against lsa birth time, so
- we catch this special case here. */
- lsa->header->age = htons (OSPF_LSA_MAXAGE);
- return OSPF_LSA_MAXAGE;
- }
- /* calculate age */
- ulage = now.tv_sec - lsa->birth.tv_sec;
+ if (ntohs(lsa->header->age) >= OSPF_LSA_MAXAGE) {
+ /* ospf6_lsa_premature_aging () sets age to MAXAGE; when using
+ relative time, we cannot compare against lsa birth time, so
+ we catch this special case here. */
+ lsa->header->age = htons(OSPF_LSA_MAXAGE);
+ return OSPF_LSA_MAXAGE;
+ }
+ /* calculate age */
+ ulage = now.tv_sec - lsa->birth.tv_sec;
- /* if over MAXAGE, set to it */
- age = (ulage > OSPF_LSA_MAXAGE ? OSPF_LSA_MAXAGE : ulage);
+ /* if over MAXAGE, set to it */
+ age = (ulage > OSPF_LSA_MAXAGE ? OSPF_LSA_MAXAGE : ulage);
- lsa->header->age = htons (age);
- return age;
+ lsa->header->age = htons(age);
+ return age;
}
/* update age field of LSA header with adding InfTransDelay */
-void
-ospf6_lsa_age_update_to_send (struct ospf6_lsa *lsa, u_int32_t transdelay)
-{
- unsigned short age;
-
- age = ospf6_lsa_age_current (lsa) + transdelay;
- if (age > OSPF_LSA_MAXAGE)
- age = OSPF_LSA_MAXAGE;
- lsa->header->age = htons (age);
-}
-
-void
-ospf6_lsa_premature_aging (struct ospf6_lsa *lsa)
-{
- /* log */
- if (IS_OSPF6_DEBUG_LSA_TYPE (lsa->header->type))
- zlog_debug ("LSA: Premature aging: %s", lsa->name);
-
- THREAD_OFF (lsa->expire);
- THREAD_OFF (lsa->refresh);
-
- /*
- * We clear the LSA from the neighbor retx lists now because it
- * will not get deleted later. Essentially, changing the age to
- * MaxAge will prevent this LSA from being matched with its
- * existing entries in the retx list thereby causing those entries
- * to be silently replaced with its MaxAged version, but with ever
- * increasing retx count causing this LSA to remain forever and
- * for the MaxAge remover thread to be called forever too.
- *
- * The reason the previous entry silently disappears is that when
- * entry is added to a neighbor's retx list, it replaces the existing
- * entry. But since the ospf6_lsdb_add() routine is generic and not aware
- * of the special semantics of retx count, the retx count is not
- * decremented when its replaced. Attempting to add the incr and decr
- * retx count routines as the hook_add and hook_remove for the retx lists
- * have a problem because the hook_remove routine is called for MaxAge
- * entries (as will be the case in a traditional LSDB, unlike in this case
- * where an LSDB is used as an efficient tree structure to store all kinds
- * of data) that are added instead of calling the hook_add routine.
- */
-
- ospf6_flood_clear (lsa);
-
- lsa->header->age = htons (OSPF_LSA_MAXAGE);
- thread_execute (master, ospf6_lsa_expire, lsa, 0);
+void ospf6_lsa_age_update_to_send(struct ospf6_lsa *lsa, u_int32_t transdelay)
+{
+ unsigned short age;
+
+ age = ospf6_lsa_age_current(lsa) + transdelay;
+ if (age > OSPF_LSA_MAXAGE)
+ age = OSPF_LSA_MAXAGE;
+ lsa->header->age = htons(age);
+}
+
+void ospf6_lsa_premature_aging(struct ospf6_lsa *lsa)
+{
+ /* log */
+ if (IS_OSPF6_DEBUG_LSA_TYPE(lsa->header->type))
+ zlog_debug("LSA: Premature aging: %s", lsa->name);
+
+ THREAD_OFF(lsa->expire);
+ THREAD_OFF(lsa->refresh);
+
+ /*
+ * We clear the LSA from the neighbor retx lists now because it
+ * will not get deleted later. Essentially, changing the age to
+ * MaxAge will prevent this LSA from being matched with its
+ * existing entries in the retx list thereby causing those entries
+ * to be silently replaced with its MaxAged version, but with ever
+ * increasing retx count causing this LSA to remain forever and
+ * for the MaxAge remover thread to be called forever too.
+ *
+ * The reason the previous entry silently disappears is that when
+ * entry is added to a neighbor's retx list, it replaces the existing
+ * entry. But since the ospf6_lsdb_add() routine is generic and not
+ * aware
+ * of the special semantics of retx count, the retx count is not
+ * decremented when its replaced. Attempting to add the incr and decr
+ * retx count routines as the hook_add and hook_remove for the retx
+ * lists
+ * have a problem because the hook_remove routine is called for MaxAge
+ * entries (as will be the case in a traditional LSDB, unlike in this
+ * case
+ * where an LSDB is used as an efficient tree structure to store all
+ * kinds
+ * of data) that are added instead of calling the hook_add routine.
+ */
+
+ ospf6_flood_clear(lsa);
+
+ lsa->header->age = htons(OSPF_LSA_MAXAGE);
+ thread_execute(master, ospf6_lsa_expire, lsa, 0);
}
/* check which is more recent. if a is more recent, return -1;
if the same, return 0; otherwise(b is more recent), return 1 */
-int
-ospf6_lsa_compare (struct ospf6_lsa *a, struct ospf6_lsa *b)
+int ospf6_lsa_compare(struct ospf6_lsa *a, struct ospf6_lsa *b)
{
- int32_t seqnuma, seqnumb;
- u_int16_t cksuma, cksumb;
- u_int16_t agea, ageb;
+ int32_t seqnuma, seqnumb;
+ u_int16_t cksuma, cksumb;
+ u_int16_t agea, ageb;
+
+ assert(a && a->header);
+ assert(b && b->header);
+ assert(OSPF6_LSA_IS_SAME(a, b));
- assert (a && a->header);
- assert (b && b->header);
- assert (OSPF6_LSA_IS_SAME (a, b));
+ seqnuma = (int32_t)ntohl(a->header->seqnum);
+ seqnumb = (int32_t)ntohl(b->header->seqnum);
- seqnuma = (int32_t) ntohl (a->header->seqnum);
- seqnumb = (int32_t) ntohl (b->header->seqnum);
-
- /* compare by sequence number */
- if (seqnuma > seqnumb)
- return -1;
- if (seqnuma < seqnumb)
- return 1;
-
- /* Checksum */
- cksuma = ntohs (a->header->checksum);
- cksumb = ntohs (b->header->checksum);
- if (cksuma > cksumb)
- return -1;
- if (cksuma < cksumb)
- return 0;
-
- /* Update Age */
- agea = ospf6_lsa_age_current (a);
- ageb = ospf6_lsa_age_current (b);
-
- /* MaxAge check */
- if (agea == OSPF_LSA_MAXAGE && ageb != OSPF_LSA_MAXAGE)
- return -1;
- else if (agea != OSPF_LSA_MAXAGE && ageb == OSPF_LSA_MAXAGE)
- return 1;
-
- /* Age check */
- if (agea > ageb && agea - ageb >= OSPF_LSA_MAXAGE_DIFF)
- return 1;
- else if (agea < ageb && ageb - agea >= OSPF_LSA_MAXAGE_DIFF)
- return -1;
-
- /* neither recent */
- return 0;
-}
-
-char *
-ospf6_lsa_printbuf (struct ospf6_lsa *lsa, char *buf, int size)
-{
- char id[16], adv_router[16];
- inet_ntop (AF_INET, &lsa->header->id, id, sizeof (id));
- inet_ntop (AF_INET, &lsa->header->adv_router, adv_router,
- sizeof (adv_router));
- snprintf (buf, size, "[%s Id:%s Adv:%s]",
- ospf6_lstype_name (lsa->header->type), id, adv_router);
- return buf;
-}
-
-void
-ospf6_lsa_header_print_raw (struct ospf6_lsa_header *header)
-{
- char id[16], adv_router[16];
- inet_ntop (AF_INET, &header->id, id, sizeof (id));
- inet_ntop (AF_INET, &header->adv_router, adv_router,
- sizeof (adv_router));
- zlog_debug (" [%s Id:%s Adv:%s]",
- ospf6_lstype_name (header->type), id, adv_router);
- zlog_debug (" Age: %4hu SeqNum: %#08lx Cksum: %04hx Len: %d",
- ntohs (header->age), (u_long) ntohl (header->seqnum),
- ntohs (header->checksum), ntohs (header->length));
-}
-
-void
-ospf6_lsa_header_print (struct ospf6_lsa *lsa)
-{
- ospf6_lsa_age_current (lsa);
- ospf6_lsa_header_print_raw (lsa->header);
-}
-
-void
-ospf6_lsa_show_summary_header (struct vty *vty)
-{
- vty_out (vty, "%-4s %-15s%-15s%4s %8s %30s\n",
- "Type", "LSId", "AdvRouter", "Age", "SeqNum",
- "Payload");
-}
-
-void
-ospf6_lsa_show_summary (struct vty *vty, struct ospf6_lsa *lsa)
-{
- char adv_router[16], id[16];
- int type;
- struct ospf6_lsa_handler *handler;
- char buf[64], tmpbuf[80];
- int cnt = 0;
-
- assert (lsa);
- assert (lsa->header);
-
- inet_ntop (AF_INET, &lsa->header->id, id, sizeof (id));
- inet_ntop (AF_INET, &lsa->header->adv_router, adv_router,
- sizeof (adv_router));
-
- type = ntohs(lsa->header->type);
- handler = ospf6_get_lsa_handler (lsa->header->type);
- if ((type == OSPF6_LSTYPE_INTER_PREFIX) ||
- (type == OSPF6_LSTYPE_INTER_ROUTER) ||
- (type == OSPF6_LSTYPE_AS_EXTERNAL))
- {
- vty_out (vty, "%-4s %-15s%-15s%4hu %8lx %30s\n",
- ospf6_lstype_short_name (lsa->header->type),
- id, adv_router, ospf6_lsa_age_current (lsa),
- (u_long) ntohl (lsa->header->seqnum),
- handler->get_prefix_str(lsa, buf, sizeof(buf), 0));
- }
- else if (type != OSPF6_LSTYPE_UNKNOWN)
- {
- sprintf (tmpbuf, "%-4s %-15s%-15s%4hu %8lx",
- ospf6_lstype_short_name (lsa->header->type),
- id, adv_router, ospf6_lsa_age_current (lsa),
- (u_long) ntohl (lsa->header->seqnum));
-
- while (handler->get_prefix_str(lsa, buf, sizeof(buf), cnt) != NULL)
- {
- vty_out (vty, "%s %30s\n", tmpbuf, buf);
- cnt++;
+ /* compare by sequence number */
+ if (seqnuma > seqnumb)
+ return -1;
+ if (seqnuma < seqnumb)
+ return 1;
+
+ /* Checksum */
+ cksuma = ntohs(a->header->checksum);
+ cksumb = ntohs(b->header->checksum);
+ if (cksuma > cksumb)
+ return -1;
+ if (cksuma < cksumb)
+ return 0;
+
+ /* Update Age */
+ agea = ospf6_lsa_age_current(a);
+ ageb = ospf6_lsa_age_current(b);
+
+ /* MaxAge check */
+ if (agea == OSPF_LSA_MAXAGE && ageb != OSPF_LSA_MAXAGE)
+ return -1;
+ else if (agea != OSPF_LSA_MAXAGE && ageb == OSPF_LSA_MAXAGE)
+ return 1;
+
+ /* Age check */
+ if (agea > ageb && agea - ageb >= OSPF_LSA_MAXAGE_DIFF)
+ return 1;
+ else if (agea < ageb && ageb - agea >= OSPF_LSA_MAXAGE_DIFF)
+ return -1;
+
+ /* neither recent */
+ return 0;
+}
+
+char *ospf6_lsa_printbuf(struct ospf6_lsa *lsa, char *buf, int size)
+{
+ char id[16], adv_router[16];
+ inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id));
+ inet_ntop(AF_INET, &lsa->header->adv_router, adv_router,
+ sizeof(adv_router));
+ snprintf(buf, size, "[%s Id:%s Adv:%s]",
+ ospf6_lstype_name(lsa->header->type), id, adv_router);
+ return buf;
+}
+
+void ospf6_lsa_header_print_raw(struct ospf6_lsa_header *header)
+{
+ char id[16], adv_router[16];
+ inet_ntop(AF_INET, &header->id, id, sizeof(id));
+ inet_ntop(AF_INET, &header->adv_router, adv_router, sizeof(adv_router));
+ zlog_debug(" [%s Id:%s Adv:%s]", ospf6_lstype_name(header->type), id,
+ adv_router);
+ zlog_debug(" Age: %4hu SeqNum: %#08lx Cksum: %04hx Len: %d",
+ ntohs(header->age), (u_long)ntohl(header->seqnum),
+ ntohs(header->checksum), ntohs(header->length));
+}
+
+void ospf6_lsa_header_print(struct ospf6_lsa *lsa)
+{
+ ospf6_lsa_age_current(lsa);
+ ospf6_lsa_header_print_raw(lsa->header);
+}
+
+void ospf6_lsa_show_summary_header(struct vty *vty)
+{
+ vty_out(vty, "%-4s %-15s%-15s%4s %8s %30s\n", "Type", "LSId",
+ "AdvRouter", "Age", "SeqNum", "Payload");
+}
+
+void ospf6_lsa_show_summary(struct vty *vty, struct ospf6_lsa *lsa)
+{
+ char adv_router[16], id[16];
+ int type;
+ struct ospf6_lsa_handler *handler;
+ char buf[64], tmpbuf[80];
+ int cnt = 0;
+
+ assert(lsa);
+ assert(lsa->header);
+
+ inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id));
+ inet_ntop(AF_INET, &lsa->header->adv_router, adv_router,
+ sizeof(adv_router));
+
+ type = ntohs(lsa->header->type);
+ handler = ospf6_get_lsa_handler(lsa->header->type);
+ if ((type == OSPF6_LSTYPE_INTER_PREFIX)
+ || (type == OSPF6_LSTYPE_INTER_ROUTER)
+ || (type == OSPF6_LSTYPE_AS_EXTERNAL)) {
+ vty_out(vty, "%-4s %-15s%-15s%4hu %8lx %30s\n",
+ ospf6_lstype_short_name(lsa->header->type), id,
+ adv_router, ospf6_lsa_age_current(lsa),
+ (u_long)ntohl(lsa->header->seqnum),
+ handler->get_prefix_str(lsa, buf, sizeof(buf), 0));
+ } else if (type != OSPF6_LSTYPE_UNKNOWN) {
+ sprintf(tmpbuf, "%-4s %-15s%-15s%4hu %8lx",
+ ospf6_lstype_short_name(lsa->header->type), id,
+ adv_router, ospf6_lsa_age_current(lsa),
+ (u_long)ntohl(lsa->header->seqnum));
+
+ while (handler->get_prefix_str(lsa, buf, sizeof(buf), cnt)
+ != NULL) {
+ vty_out(vty, "%s %30s\n", tmpbuf, buf);
+ cnt++;
+ }
+ } else {
+ vty_out(vty, "%-4s %-15s%-15s%4hu %8lx\n",
+ ospf6_lstype_short_name(lsa->header->type), id,
+ adv_router, ospf6_lsa_age_current(lsa),
+ (u_long)ntohl(lsa->header->seqnum));
}
- }
- else
- {
- vty_out (vty, "%-4s %-15s%-15s%4hu %8lx\n",
- ospf6_lstype_short_name (lsa->header->type),
- id, adv_router, ospf6_lsa_age_current (lsa),
- (u_long) ntohl (lsa->header->seqnum));
- }
-}
-
-void
-ospf6_lsa_show_dump (struct vty *vty, struct ospf6_lsa *lsa)
-{
- u_char *start, *end, *current;
- char byte[4];
-
- start = (u_char *) lsa->header;
- end = (u_char *) lsa->header + ntohs (lsa->header->length);
-
- vty_out (vty, "\n");
- vty_out (vty, "%s:\n", lsa->name);
-
- for (current = start; current < end; current ++)
- {
- if ((current - start) % 16 == 0)
- vty_out (vty, "\n ");
- else if ((current - start) % 4 == 0)
- vty_out (vty, " ");
-
- snprintf (byte, sizeof (byte), "%02x", *current);
- vty_out (vty, "%s", byte);
- }
-
- vty_out (vty, "\n\n");
- return;
-}
-
-void
-ospf6_lsa_show_internal (struct vty *vty, struct ospf6_lsa *lsa)
-{
- char adv_router[64], id[64];
-
- assert (lsa && lsa->header);
-
- inet_ntop (AF_INET, &lsa->header->id, id, sizeof (id));
- inet_ntop (AF_INET, &lsa->header->adv_router,
- adv_router, sizeof (adv_router));
-
- vty_out (vty, "\n");
- vty_out (vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current (lsa),
- ospf6_lstype_name (lsa->header->type));
- vty_out (vty, "Link State ID: %s\n", id);
- vty_out (vty, "Advertising Router: %s\n", adv_router);
- vty_out (vty, "LS Sequence Number: %#010lx\n",
- (u_long) ntohl (lsa->header->seqnum));
- vty_out (vty, "CheckSum: %#06hx Length: %hu\n",
- ntohs (lsa->header->checksum),
- ntohs (lsa->header->length));
- vty_out (vty, "Flag: %x \n", lsa->flag);
- vty_out (vty, "Lock: %d \n", lsa->lock);
- vty_out (vty, "ReTx Count: %d\n", lsa->retrans_count);
- vty_out (vty, "Threads: Expire: 0x%p, Refresh: 0x%p \n",
- (void *)lsa->expire, (void *)lsa->refresh);
- vty_out (vty, "\n");
- return;
-}
-
-void
-ospf6_lsa_show (struct vty *vty, struct ospf6_lsa *lsa)
-{
- char adv_router[64], id[64];
- struct ospf6_lsa_handler *handler;
- struct timeval now, res;
- char duration[16];
-
- assert (lsa && lsa->header);
-
- inet_ntop (AF_INET, &lsa->header->id, id, sizeof (id));
- inet_ntop (AF_INET, &lsa->header->adv_router,
- adv_router, sizeof (adv_router));
-
- monotime(&now);
- timersub (&now, &lsa->installed, &res);
- timerstring (&res, duration, sizeof (duration));
-
- vty_out (vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current (lsa),
- ospf6_lstype_name (lsa->header->type));
- vty_out (vty, "Link State ID: %s\n", id);
- vty_out (vty, "Advertising Router: %s\n", adv_router);
- vty_out (vty, "LS Sequence Number: %#010lx\n",
- (u_long) ntohl (lsa->header->seqnum));
- vty_out (vty, "CheckSum: %#06hx Length: %hu\n",
- ntohs (lsa->header->checksum),
- ntohs (lsa->header->length));
- vty_out (vty, "Duration: %s\n", duration);
-
- handler = ospf6_get_lsa_handler (lsa->header->type);
- if (handler->show == NULL)
- handler = &unknown_handler;
- (*handler->show) (vty, lsa);
-
- vty_out (vty, "\n");
+}
+
+void ospf6_lsa_show_dump(struct vty *vty, struct ospf6_lsa *lsa)
+{
+ u_char *start, *end, *current;
+ char byte[4];
+
+ start = (u_char *)lsa->header;
+ end = (u_char *)lsa->header + ntohs(lsa->header->length);
+
+ vty_out(vty, "\n");
+ vty_out(vty, "%s:\n", lsa->name);
+
+ for (current = start; current < end; current++) {
+ if ((current - start) % 16 == 0)
+ vty_out(vty, "\n ");
+ else if ((current - start) % 4 == 0)
+ vty_out(vty, " ");
+
+ snprintf(byte, sizeof(byte), "%02x", *current);
+ vty_out(vty, "%s", byte);
+ }
+
+ vty_out(vty, "\n\n");
+ return;
+}
+
+void ospf6_lsa_show_internal(struct vty *vty, struct ospf6_lsa *lsa)
+{
+ char adv_router[64], id[64];
+
+ assert(lsa && lsa->header);
+
+ inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id));
+ inet_ntop(AF_INET, &lsa->header->adv_router, adv_router,
+ sizeof(adv_router));
+
+ vty_out(vty, "\n");
+ vty_out(vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current(lsa),
+ ospf6_lstype_name(lsa->header->type));
+ vty_out(vty, "Link State ID: %s\n", id);
+ vty_out(vty, "Advertising Router: %s\n", adv_router);
+ vty_out(vty, "LS Sequence Number: %#010lx\n",
+ (u_long)ntohl(lsa->header->seqnum));
+ vty_out(vty, "CheckSum: %#06hx Length: %hu\n",
+ ntohs(lsa->header->checksum), ntohs(lsa->header->length));
+ vty_out(vty, "Flag: %x \n", lsa->flag);
+ vty_out(vty, "Lock: %d \n", lsa->lock);
+ vty_out(vty, "ReTx Count: %d\n", lsa->retrans_count);
+ vty_out(vty, "Threads: Expire: 0x%p, Refresh: 0x%p \n",
+ (void *)lsa->expire, (void *)lsa->refresh);
+ vty_out(vty, "\n");
+ return;
+}
+
+void ospf6_lsa_show(struct vty *vty, struct ospf6_lsa *lsa)
+{
+ char adv_router[64], id[64];
+ struct ospf6_lsa_handler *handler;
+ struct timeval now, res;
+ char duration[16];
+
+ assert(lsa && lsa->header);
+
+ inet_ntop(AF_INET, &lsa->header->id, id, sizeof(id));
+ inet_ntop(AF_INET, &lsa->header->adv_router, adv_router,
+ sizeof(adv_router));
+
+ monotime(&now);
+ timersub(&now, &lsa->installed, &res);
+ timerstring(&res, duration, sizeof(duration));
+
+ vty_out(vty, "Age: %4hu Type: %s\n", ospf6_lsa_age_current(lsa),
+ ospf6_lstype_name(lsa->header->type));
+ vty_out(vty, "Link State ID: %s\n", id);
+ vty_out(vty, "Advertising Router: %s\n", adv_router);
+ vty_out(vty, "LS Sequence Number: %#010lx\n",
+ (u_long)ntohl(lsa->header->seqnum));
+ vty_out(vty, "CheckSum: %#06hx Length: %hu\n",
+ ntohs(lsa->header->checksum), ntohs(lsa->header->length));
+ vty_out(vty, "Duration: %s\n", duration);
+
+ handler = ospf6_get_lsa_handler(lsa->header->type);
+ if (handler->show == NULL)
+ handler = &unknown_handler;
+ (*handler->show)(vty, lsa);
+
+ vty_out(vty, "\n");
}
/* OSPFv3 LSA creation/deletion function */
-struct ospf6_lsa *
-ospf6_lsa_create (struct ospf6_lsa_header *header)
+struct ospf6_lsa *ospf6_lsa_create(struct ospf6_lsa_header *header)
{
- struct ospf6_lsa *lsa = NULL;
- struct ospf6_lsa_header *new_header = NULL;
- u_int16_t lsa_size = 0;
+ struct ospf6_lsa *lsa = NULL;
+ struct ospf6_lsa_header *new_header = NULL;
+ u_int16_t lsa_size = 0;
- /* size of the entire LSA */
- lsa_size = ntohs (header->length); /* XXX vulnerable */
+ /* size of the entire LSA */
+ lsa_size = ntohs(header->length); /* XXX vulnerable */
- /* allocate memory for this LSA */
- new_header = (struct ospf6_lsa_header *)
- XMALLOC (MTYPE_OSPF6_LSA, lsa_size);
+ /* allocate memory for this LSA */
+ new_header =
+ (struct ospf6_lsa_header *)XMALLOC(MTYPE_OSPF6_LSA, lsa_size);
- /* copy LSA from original header */
- memcpy (new_header, header, lsa_size);
+ /* copy LSA from original header */
+ memcpy(new_header, header, lsa_size);
- /* LSA information structure */
- /* allocate memory */
- lsa = (struct ospf6_lsa *)
- XCALLOC (MTYPE_OSPF6_LSA, sizeof (struct ospf6_lsa));
+ /* LSA information structure */
+ /* allocate memory */
+ lsa = (struct ospf6_lsa *)XCALLOC(MTYPE_OSPF6_LSA,
+ sizeof(struct ospf6_lsa));
- lsa->header = (struct ospf6_lsa_header *) new_header;
+ lsa->header = (struct ospf6_lsa_header *)new_header;
- /* dump string */
- ospf6_lsa_printbuf (lsa, lsa->name, sizeof (lsa->name));
+ /* dump string */
+ ospf6_lsa_printbuf(lsa, lsa->name, sizeof(lsa->name));
- /* calculate birth of this lsa */
- ospf6_lsa_age_set (lsa);
+ /* calculate birth of this lsa */
+ ospf6_lsa_age_set(lsa);
- return lsa;
+ return lsa;
}
-struct ospf6_lsa *
-ospf6_lsa_create_headeronly (struct ospf6_lsa_header *header)
+struct ospf6_lsa *ospf6_lsa_create_headeronly(struct ospf6_lsa_header *header)
{
- struct ospf6_lsa *lsa = NULL;
- struct ospf6_lsa_header *new_header = NULL;
+ struct ospf6_lsa *lsa = NULL;
+ struct ospf6_lsa_header *new_header = NULL;
- /* allocate memory for this LSA */
- new_header = (struct ospf6_lsa_header *)
- XMALLOC (MTYPE_OSPF6_LSA, sizeof (struct ospf6_lsa_header));
+ /* allocate memory for this LSA */
+ new_header = (struct ospf6_lsa_header *)XMALLOC(
+ MTYPE_OSPF6_LSA, sizeof(struct ospf6_lsa_header));
- /* copy LSA from original header */
- memcpy (new_header, header, sizeof (struct ospf6_lsa_header));
+ /* copy LSA from original header */
+ memcpy(new_header, header, sizeof(struct ospf6_lsa_header));
- /* LSA information structure */
- /* allocate memory */
- lsa = (struct ospf6_lsa *)
- XCALLOC (MTYPE_OSPF6_LSA, sizeof (struct ospf6_lsa));
+ /* LSA information structure */
+ /* allocate memory */
+ lsa = (struct ospf6_lsa *)XCALLOC(MTYPE_OSPF6_LSA,
+ sizeof(struct ospf6_lsa));
- lsa->header = (struct ospf6_lsa_header *) new_header;
- SET_FLAG (lsa->flag, OSPF6_LSA_HEADERONLY);
+ lsa->header = (struct ospf6_lsa_header *)new_header;
+ SET_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY);
- /* dump string */
- ospf6_lsa_printbuf (lsa, lsa->name, sizeof (lsa->name));
+ /* dump string */
+ ospf6_lsa_printbuf(lsa, lsa->name, sizeof(lsa->name));
- /* calculate birth of this lsa */
- ospf6_lsa_age_set (lsa);
+ /* calculate birth of this lsa */
+ ospf6_lsa_age_set(lsa);
- return lsa;
+ return lsa;
}
-void
-ospf6_lsa_delete (struct ospf6_lsa *lsa)
+void ospf6_lsa_delete(struct ospf6_lsa *lsa)
{
- assert (lsa->lock == 0);
+ assert(lsa->lock == 0);
- /* cancel threads */
- THREAD_OFF (lsa->expire);
- THREAD_OFF (lsa->refresh);
+ /* cancel threads */
+ THREAD_OFF(lsa->expire);
+ THREAD_OFF(lsa->refresh);
- /* do free */
- XFREE (MTYPE_OSPF6_LSA, lsa->header);
- XFREE (MTYPE_OSPF6_LSA, lsa);
+ /* do free */
+ XFREE(MTYPE_OSPF6_LSA, lsa->header);
+ XFREE(MTYPE_OSPF6_LSA, lsa);
}
-struct ospf6_lsa *
-ospf6_lsa_copy (struct ospf6_lsa *lsa)
+struct ospf6_lsa *ospf6_lsa_copy(struct ospf6_lsa *lsa)
{
- struct ospf6_lsa *copy = NULL;
+ struct ospf6_lsa *copy = NULL;
- ospf6_lsa_age_current (lsa);
- if (CHECK_FLAG (lsa->flag, OSPF6_LSA_HEADERONLY))
- copy = ospf6_lsa_create_headeronly (lsa->header);
- else
- copy = ospf6_lsa_create (lsa->header);
- assert (copy->lock == 0);
+ ospf6_lsa_age_current(lsa);
+ if (CHECK_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY))
+ copy = ospf6_lsa_create_headeronly(lsa->header);
+ else
+ copy = ospf6_lsa_create(lsa->header);
+ assert(copy->lock == 0);
- copy->birth = lsa->birth;
- copy->originated = lsa->originated;
- copy->received = lsa->received;
- copy->installed = lsa->installed;
- copy->lsdb = lsa->lsdb;
- copy->rn = NULL;
+ copy->birth = lsa->birth;
+ copy->originated = lsa->originated;
+ copy->received = lsa->received;
+ copy->installed = lsa->installed;
+ copy->lsdb = lsa->lsdb;
+ copy->rn = NULL;
- return copy;
+ return copy;
}
/* increment reference counter of struct ospf6_lsa */
-void
-ospf6_lsa_lock (struct ospf6_lsa *lsa)
+void ospf6_lsa_lock(struct ospf6_lsa *lsa)
{
- lsa->lock++;
- return;
+ lsa->lock++;
+ return;
}
/* decrement reference counter of struct ospf6_lsa */
-void
-ospf6_lsa_unlock (struct ospf6_lsa *lsa)
+void ospf6_lsa_unlock(struct ospf6_lsa *lsa)
{
- /* decrement reference counter */
- assert (lsa->lock > 0);
- lsa->lock--;
+ /* decrement reference counter */
+ assert(lsa->lock > 0);
+ lsa->lock--;
- if (lsa->lock != 0)
- return;
+ if (lsa->lock != 0)
+ return;
- ospf6_lsa_delete (lsa);
+ ospf6_lsa_delete(lsa);
}
/* ospf6 lsa expiry */
-int
-ospf6_lsa_expire (struct thread *thread)
+int ospf6_lsa_expire(struct thread *thread)
{
- struct ospf6_lsa *lsa;
+ struct ospf6_lsa *lsa;
- lsa = (struct ospf6_lsa *) THREAD_ARG (thread);
+ lsa = (struct ospf6_lsa *)THREAD_ARG(thread);
- assert (lsa && lsa->header);
- assert (OSPF6_LSA_IS_MAXAGE (lsa));
- assert (! lsa->refresh);
+ assert(lsa && lsa->header);
+ assert(OSPF6_LSA_IS_MAXAGE(lsa));
+ assert(!lsa->refresh);
- lsa->expire = (struct thread *) NULL;
+ lsa->expire = (struct thread *)NULL;
- if (IS_OSPF6_DEBUG_LSA_TYPE (lsa->header->type))
- {
- zlog_debug ("LSA Expire:");
- ospf6_lsa_header_print (lsa);
- }
+ if (IS_OSPF6_DEBUG_LSA_TYPE(lsa->header->type)) {
+ zlog_debug("LSA Expire:");
+ ospf6_lsa_header_print(lsa);
+ }
- if (CHECK_FLAG (lsa->flag, OSPF6_LSA_HEADERONLY))
- return 0; /* dbexchange will do something ... */
+ if (CHECK_FLAG(lsa->flag, OSPF6_LSA_HEADERONLY))
+ return 0; /* dbexchange will do something ... */
- /* reinstall lsa */
- ospf6_install_lsa (lsa);
+ /* reinstall lsa */
+ ospf6_install_lsa(lsa);
- /* reflood lsa */
- ospf6_flood (NULL, lsa);
+ /* reflood lsa */
+ ospf6_flood(NULL, lsa);
- /* schedule maxage remover */
- ospf6_maxage_remove (ospf6);
+ /* schedule maxage remover */
+ ospf6_maxage_remove(ospf6);
- return 0;
+ return 0;
}
-int
-ospf6_lsa_refresh (struct thread *thread)
+int ospf6_lsa_refresh(struct thread *thread)
{
- struct ospf6_lsa *old, *self, *new;
- struct ospf6_lsdb *lsdb_self;
-
- old = (struct ospf6_lsa *) THREAD_ARG (thread);
- assert (old && old->header);
-
- old->refresh = (struct thread *) NULL;
+ struct ospf6_lsa *old, *self, *new;
+ struct ospf6_lsdb *lsdb_self;
- lsdb_self = ospf6_get_scoped_lsdb_self (old);
- self = ospf6_lsdb_lookup (old->header->type, old->header->id,
- old->header->adv_router, lsdb_self);
- if (self == NULL)
- {
- if (IS_OSPF6_DEBUG_LSA_TYPE (old->header->type))
- zlog_debug ("Refresh: could not find self LSA, flush %s", old->name);
- ospf6_lsa_premature_aging (old);
- return 0;
- }
+ old = (struct ospf6_lsa *)THREAD_ARG(thread);
+ assert(old && old->header);
- /* Reset age, increment LS sequence number. */
- self->header->age = htons (0);
- self->header->seqnum =
- ospf6_new_ls_seqnum (self->header->type, self->header->id,
- self->header->adv_router, old->lsdb);
- ospf6_lsa_checksum (self->header);
+ old->refresh = (struct thread *)NULL;
- new = ospf6_lsa_create (self->header);
- new->lsdb = old->lsdb;
- new->refresh = NULL;
- thread_add_timer(master, ospf6_lsa_refresh, new, OSPF_LS_REFRESH_TIME,
- &new->refresh);
-
- /* store it in the LSDB for self-originated LSAs */
- ospf6_lsdb_add (ospf6_lsa_copy (new), lsdb_self);
+ lsdb_self = ospf6_get_scoped_lsdb_self(old);
+ self = ospf6_lsdb_lookup(old->header->type, old->header->id,
+ old->header->adv_router, lsdb_self);
+ if (self == NULL) {
+ if (IS_OSPF6_DEBUG_LSA_TYPE(old->header->type))
+ zlog_debug("Refresh: could not find self LSA, flush %s",
+ old->name);
+ ospf6_lsa_premature_aging(old);
+ return 0;
+ }
- if (IS_OSPF6_DEBUG_LSA_TYPE (new->header->type))
- {
- zlog_debug ("LSA Refresh:");
- ospf6_lsa_header_print (new);
- }
+ /* Reset age, increment LS sequence number. */
+ self->header->age = htons(0);
+ self->header->seqnum =
+ ospf6_new_ls_seqnum(self->header->type, self->header->id,
+ self->header->adv_router, old->lsdb);
+ ospf6_lsa_checksum(self->header);
+
+ new = ospf6_lsa_create(self->header);
+ new->lsdb = old->lsdb;
+ new->refresh = NULL;
+ thread_add_timer(master, ospf6_lsa_refresh, new, OSPF_LS_REFRESH_TIME,
+ &new->refresh);
+
+ /* store it in the LSDB for self-originated LSAs */
+ ospf6_lsdb_add(ospf6_lsa_copy(new), lsdb_self);
+
+ if (IS_OSPF6_DEBUG_LSA_TYPE(new->header->type)) {
+ zlog_debug("LSA Refresh:");
+ ospf6_lsa_header_print(new);
+ }
- ospf6_install_lsa (new);
- ospf6_flood (NULL, new);
+ ospf6_install_lsa(new);
+ ospf6_flood(NULL, new);
- return 0;
+ return 0;
}
-
/* Fletcher Checksum -- Refer to RFC1008. */
/* All the offsets are zero-based. The offsets in the RFC1008 are
one-based. */
-unsigned short
-ospf6_lsa_checksum (struct ospf6_lsa_header *lsa_header)
+unsigned short ospf6_lsa_checksum(struct ospf6_lsa_header *lsa_header)
{
- u_char *buffer = (u_char *) &lsa_header->type;
- int type_offset = buffer - (u_char *) &lsa_header->age; /* should be 2 */
+ u_char *buffer = (u_char *)&lsa_header->type;
+ int type_offset = buffer - (u_char *)&lsa_header->age; /* should be 2 */
- /* Skip the AGE field */
- u_int16_t len = ntohs(lsa_header->length) - type_offset;
+ /* Skip the AGE field */
+ u_int16_t len = ntohs(lsa_header->length) - type_offset;
- /* Checksum offset starts from "type" field, not the beginning of the
- lsa_header struct. The offset is 14, rather than 16. */
- int checksum_offset = (u_char *) &lsa_header->checksum - buffer;
+ /* Checksum offset starts from "type" field, not the beginning of the
+ lsa_header struct. The offset is 14, rather than 16. */
+ int checksum_offset = (u_char *)&lsa_header->checksum - buffer;
- return (unsigned short)fletcher_checksum(buffer, len, checksum_offset);
+ return (unsigned short)fletcher_checksum(buffer, len, checksum_offset);
}
-int
-ospf6_lsa_checksum_valid (struct ospf6_lsa_header *lsa_header)
+int ospf6_lsa_checksum_valid(struct ospf6_lsa_header *lsa_header)
{
- u_char *buffer = (u_char *) &lsa_header->type;
- int type_offset = buffer - (u_char *) &lsa_header->age; /* should be 2 */
+ u_char *buffer = (u_char *)&lsa_header->type;
+ int type_offset = buffer - (u_char *)&lsa_header->age; /* should be 2 */
- /* Skip the AGE field */
- u_int16_t len = ntohs(lsa_header->length) - type_offset;
+ /* Skip the AGE field */
+ u_int16_t len = ntohs(lsa_header->length) - type_offset;
- return (fletcher_checksum(buffer, len, FLETCHER_CHECKSUM_VALIDATE) == 0);
+ return (fletcher_checksum(buffer, len, FLETCHER_CHECKSUM_VALIDATE)
+ == 0);
}
-void
-ospf6_lsa_init (void)
+void ospf6_lsa_init(void)
{
- ospf6_lsa_handler_vector = vector_init (0);
- ospf6_install_lsa_handler (&unknown_handler);
+ ospf6_lsa_handler_vector = vector_init(0);
+ ospf6_install_lsa_handler(&unknown_handler);
}
-void
-ospf6_lsa_terminate (void)
+void ospf6_lsa_terminate(void)
{
- vector_free (ospf6_lsa_handler_vector);
+ vector_free(ospf6_lsa_handler_vector);
}
-static char *
-ospf6_lsa_handler_name (struct ospf6_lsa_handler *h)
+static char *ospf6_lsa_handler_name(struct ospf6_lsa_handler *h)
{
- static char buf[64];
- unsigned int i;
- unsigned int size = strlen (h->name);
+ static char buf[64];
+ unsigned int i;
+ unsigned int size = strlen(h->name);
- if (!strcmp(h->name, "unknown") &&
- h->type != OSPF6_LSTYPE_UNKNOWN)
- {
- snprintf (buf, sizeof (buf), "%#04hx", h->type);
- return buf;
- }
+ if (!strcmp(h->name, "unknown") && h->type != OSPF6_LSTYPE_UNKNOWN) {
+ snprintf(buf, sizeof(buf), "%#04hx", h->type);
+ return buf;
+ }
- for (i = 0; i < MIN (size, sizeof (buf)); i++)
- {
- if (! islower ((unsigned char)h->name[i]))
- buf[i] = tolower ((unsigned char)h->name[i]);
- else
- buf[i] = h->name[i];
- }
- buf[size] = '\0';
- return buf;
+ for (i = 0; i < MIN(size, sizeof(buf)); i++) {
+ if (!islower((unsigned char)h->name[i]))
+ buf[i] = tolower((unsigned char)h->name[i]);
+ else
+ buf[i] = h->name[i];
+ }
+ buf[size] = '\0';
+ return buf;
}
DEFUN (debug_ospf6_lsa_type,
"Dump LSAs\n"
"Display LSA's internal information\n")
{
- int idx_lsa = 3;
- int idx_type = 4;
- unsigned int i;
- struct ospf6_lsa_handler *handler = NULL;
-
- for (i = 0; i < vector_active (ospf6_lsa_handler_vector); i++)
- {
- handler = vector_slot (ospf6_lsa_handler_vector, i);
- if (handler == NULL)
- continue;
- if (strncmp (argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler), strlen(argv[idx_lsa]->arg)) == 0)
- break;
- if (! strcasecmp (argv[idx_lsa]->arg, handler->name))
- break;
- handler = NULL;
- }
-
- if (handler == NULL)
- handler = &unknown_handler;
-
- if (argc == 5)
- {
- if (strmatch(argv[idx_type]->text, "originate"))
- SET_FLAG (handler->debug, OSPF6_LSA_DEBUG_ORIGINATE);
- else if (strmatch(argv[idx_type]->text, "examine"))
- SET_FLAG (handler->debug, OSPF6_LSA_DEBUG_EXAMIN);
- else if (strmatch(argv[idx_type]->text, "flooding"))
- SET_FLAG (handler->debug, OSPF6_LSA_DEBUG_FLOOD);
- }
- else
- SET_FLAG (handler->debug, OSPF6_LSA_DEBUG);
-
- return CMD_SUCCESS;
+ int idx_lsa = 3;
+ int idx_type = 4;
+ unsigned int i;
+ struct ospf6_lsa_handler *handler = NULL;
+
+ for (i = 0; i < vector_active(ospf6_lsa_handler_vector); i++) {
+ handler = vector_slot(ospf6_lsa_handler_vector, i);
+ if (handler == NULL)
+ continue;
+ if (strncmp(argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler),
+ strlen(argv[idx_lsa]->arg))
+ == 0)
+ break;
+ if (!strcasecmp(argv[idx_lsa]->arg, handler->name))
+ break;
+ handler = NULL;
+ }
+
+ if (handler == NULL)
+ handler = &unknown_handler;
+
+ if (argc == 5) {
+ if (strmatch(argv[idx_type]->text, "originate"))
+ SET_FLAG(handler->debug, OSPF6_LSA_DEBUG_ORIGINATE);
+ else if (strmatch(argv[idx_type]->text, "examine"))
+ SET_FLAG(handler->debug, OSPF6_LSA_DEBUG_EXAMIN);
+ else if (strmatch(argv[idx_type]->text, "flooding"))
+ SET_FLAG(handler->debug, OSPF6_LSA_DEBUG_FLOOD);
+ } else
+ SET_FLAG(handler->debug, OSPF6_LSA_DEBUG);
+
+ return CMD_SUCCESS;
}
DEFUN (no_debug_ospf6_lsa_type,
"Dump LSAs\n"
"Display LSA's internal information\n")
{
- int idx_lsa = 4;
- int idx_type = 5;
- u_int i;
- struct ospf6_lsa_handler *handler = NULL;
-
- for (i = 0; i < vector_active (ospf6_lsa_handler_vector); i++)
- {
- handler = vector_slot (ospf6_lsa_handler_vector, i);
- if (handler == NULL)
- continue;
- if (strncmp (argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler), strlen(argv[idx_lsa]->arg)) == 0)
- break;
- if (! strcasecmp (argv[idx_lsa]->arg, handler->name))
- break;
- }
-
- if (handler == NULL)
- return CMD_SUCCESS;
-
- if (argc == 6)
- {
- if (strmatch(argv[idx_type]->text, "originate"))
- UNSET_FLAG (handler->debug, OSPF6_LSA_DEBUG_ORIGINATE);
- if (strmatch(argv[idx_type]->text, "examine"))
- UNSET_FLAG (handler->debug, OSPF6_LSA_DEBUG_EXAMIN);
- if (strmatch(argv[idx_type]->text, "flooding"))
- UNSET_FLAG (handler->debug, OSPF6_LSA_DEBUG_FLOOD);
- }
- else
- UNSET_FLAG (handler->debug, OSPF6_LSA_DEBUG);
-
- return CMD_SUCCESS;
-}
-
-void
-install_element_ospf6_debug_lsa (void)
-{
- install_element (ENABLE_NODE, &debug_ospf6_lsa_hex_cmd);
- install_element (ENABLE_NODE, &no_debug_ospf6_lsa_hex_cmd);
- install_element (CONFIG_NODE, &debug_ospf6_lsa_hex_cmd);
- install_element (CONFIG_NODE, &no_debug_ospf6_lsa_hex_cmd);
-}
-
-int
-config_write_ospf6_debug_lsa (struct vty *vty)
-{
- u_int i;
- struct ospf6_lsa_handler *handler;
-
- for (i = 0; i < vector_active (ospf6_lsa_handler_vector); i++)
- {
- handler = vector_slot (ospf6_lsa_handler_vector, i);
- if (handler == NULL)
- continue;
- if (CHECK_FLAG (handler->debug, OSPF6_LSA_DEBUG))
- vty_out (vty, "debug ospf6 lsa %s\n",
- ospf6_lsa_handler_name (handler));
- if (CHECK_FLAG (handler->debug, OSPF6_LSA_DEBUG_ORIGINATE))
- vty_out (vty, "debug ospf6 lsa %s originate\n",
- ospf6_lsa_handler_name (handler));
- if (CHECK_FLAG (handler->debug, OSPF6_LSA_DEBUG_EXAMIN))
- vty_out (vty, "debug ospf6 lsa %s examine\n",
- ospf6_lsa_handler_name (handler));
- if (CHECK_FLAG (handler->debug, OSPF6_LSA_DEBUG_FLOOD))
- vty_out (vty, "debug ospf6 lsa %s flooding\n",
- ospf6_lsa_handler_name (handler));
- }
-
- return 0;
-}
+ int idx_lsa = 4;
+ int idx_type = 5;
+ u_int i;
+ struct ospf6_lsa_handler *handler = NULL;
+
+ for (i = 0; i < vector_active(ospf6_lsa_handler_vector); i++) {
+ handler = vector_slot(ospf6_lsa_handler_vector, i);
+ if (handler == NULL)
+ continue;
+ if (strncmp(argv[idx_lsa]->arg, ospf6_lsa_handler_name(handler),
+ strlen(argv[idx_lsa]->arg))
+ == 0)
+ break;
+ if (!strcasecmp(argv[idx_lsa]->arg, handler->name))
+ break;
+ }
+ if (handler == NULL)
+ return CMD_SUCCESS;
+
+ if (argc == 6) {
+ if (strmatch(argv[idx_type]->text, "originate"))
+ UNSET_FLAG(handler->debug, OSPF6_LSA_DEBUG_ORIGINATE);
+ if (strmatch(argv[idx_type]->text, "examine"))
+ UNSET_FLAG(handler->debug, OSPF6_LSA_DEBUG_EXAMIN);
+ if (strmatch(argv[idx_type]->text, "flooding"))
+ UNSET_FLAG(handler->debug, OSPF6_LSA_DEBUG_FLOOD);
+ } else
+ UNSET_FLAG(handler->debug, OSPF6_LSA_DEBUG);
+
+ return CMD_SUCCESS;
+}
+
+void install_element_ospf6_debug_lsa(void)
+{
+ install_element(ENABLE_NODE, &debug_ospf6_lsa_hex_cmd);
+ install_element(ENABLE_NODE, &no_debug_ospf6_lsa_hex_cmd);
+ install_element(CONFIG_NODE, &debug_ospf6_lsa_hex_cmd);
+ install_element(CONFIG_NODE, &no_debug_ospf6_lsa_hex_cmd);
+}
+
+int config_write_ospf6_debug_lsa(struct vty *vty)
+{
+ u_int i;
+ struct ospf6_lsa_handler *handler;
+
+ for (i = 0; i < vector_active(ospf6_lsa_handler_vector); i++) {
+ handler = vector_slot(ospf6_lsa_handler_vector, i);
+ if (handler == NULL)
+ continue;
+ if (CHECK_FLAG(handler->debug, OSPF6_LSA_DEBUG))
+ vty_out(vty, "debug ospf6 lsa %s\n",
+ ospf6_lsa_handler_name(handler));
+ if (CHECK_FLAG(handler->debug, OSPF6_LSA_DEBUG_ORIGINATE))
+ vty_out(vty, "debug ospf6 lsa %s originate\n",
+ ospf6_lsa_handler_name(handler));
+ if (CHECK_FLAG(handler->debug, OSPF6_LSA_DEBUG_EXAMIN))
+ vty_out(vty, "debug ospf6 lsa %s examine\n",
+ ospf6_lsa_handler_name(handler));
+ if (CHECK_FLAG(handler->debug, OSPF6_LSA_DEBUG_FLOOD))
+ vty_out(vty, "debug ospf6 lsa %s flooding\n",
+ ospf6_lsa_handler_name(handler));
+ }
+ return 0;
+}
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