#include "eigrpd/eigrp_network.h"
#include "eigrpd/eigrp_memory.h"
-bool eigrp_update_prefix_apply(struct eigrp *eigrp,
- struct eigrp_interface *ei,
+bool eigrp_update_prefix_apply(struct eigrp *eigrp, struct eigrp_interface *ei,
int in, struct prefix *prefix)
{
struct access_list *alist;
/* iterate over all prefixes which weren't advertised by neighbor */
for (ALL_LIST_ELEMENTS_RO(nbr_prefixes, node1, prefix)) {
char buffer[PREFIX_STRLEN];
- zlog_debug("GR receive: Neighbor not advertised %s",
- prefix2str(prefix->destination,
- buffer, PREFIX_STRLEN));
+ zlog_debug(
+ "GR receive: Neighbor not advertised %s",
+ prefix2str(prefix->destination, buffer, PREFIX_STRLEN));
fsm_msg.metrics = prefix->reported_metric;
/* set delay to MAX */
struct TLV_IPv4_Internal_type *tlv;
struct eigrp_prefix_entry *pe;
struct eigrp_nexthop_entry *ne;
- u_int32_t flags;
- u_int16_t type;
- u_int16_t length;
- u_char same;
+ uint32_t flags;
+ uint16_t type;
+ uint16_t length;
+ uint8_t same;
struct prefix dest_addr;
- u_char graceful_restart;
- u_char graceful_restart_final;
+ uint8_t graceful_restart;
+ uint8_t graceful_restart_final;
struct list *nbr_prefixes = NULL;
/* increment statistics. */
type = stream_getw(s);
switch (type) {
case EIGRP_TLV_IPv4_INT:
- stream_set_getp(s, s->getp - sizeof(u_int16_t));
+ stream_set_getp(s, s->getp - sizeof(uint16_t));
tlv = eigrp_read_ipv4_tlv(s);
/*Here comes topology information save*/
pe = eigrp_prefix_entry_new();
pe->serno = eigrp->serno;
- pe->destination = (struct prefix *)prefix_ipv4_new();
- prefix_copy(pe->destination,
- &dest_addr);
+ pe->destination =
+ (struct prefix *)prefix_ipv4_new();
+ prefix_copy(pe->destination, &dest_addr);
pe->af = AF_INET;
pe->state = EIGRP_FSM_STATE_PASSIVE;
pe->nt = EIGRP_TOPOLOGY_TYPE_REMOTE;
if (eigrp_update_prefix_apply(eigrp, ei,
EIGRP_FILTER_IN,
&dest_addr))
- ne->reported_metric.delay = EIGRP_MAX_METRIC;
+ ne->reported_metric.delay =
+ EIGRP_MAX_METRIC;
ne->distance = eigrp_calculate_total_metrics(
eigrp, ne);
break;
case EIGRP_TLV_IPv4_EXT:
- /* DVS: processing of external routes needs packet and fsm work.
- * for now, lets just not creash the box
- */
+ /* DVS: processing of external routes needs packet and fsm work.
+ * for now, lets just not creash the box
+ */
default:
length = stream_getw(s);
// -2 for type, -2 for len
- for (length-=4; length ; length--) {
+ for (length -= 4; length; length--) {
(void)stream_getc(s);
}
}
eigrp_update_send_all(eigrp, ei);
if (nbr_prefixes)
- list_delete_and_null(&nbr_prefixes);
+ list_delete(&nbr_prefixes);
}
/*send EIGRP Update packet*/
void eigrp_update_send_init(struct eigrp_neighbor *nbr)
{
struct eigrp_packet *ep;
- u_int16_t length = EIGRP_HEADER_LEN;
+ uint16_t length = EIGRP_HEADER_LEN;
- ep = eigrp_packet_new(nbr->ei->ifp->mtu, nbr);
+ ep = eigrp_packet_new(EIGRP_PACKET_MTU(nbr->ei->ifp->mtu), nbr);
/* Prepare EIGRP INIT UPDATE header */
if (IS_DEBUG_EIGRP_PACKET(0, RECV))
nbr->ei->eigrp->sequence_number,
nbr->recv_sequence_number);
- eigrp_packet_header_init(EIGRP_OPC_UPDATE, nbr->ei->eigrp,
- ep->s, EIGRP_INIT_FLAG,
- nbr->ei->eigrp->sequence_number,
- nbr->recv_sequence_number);
+ eigrp_packet_header_init(
+ EIGRP_OPC_UPDATE, nbr->ei->eigrp, ep->s, EIGRP_INIT_FLAG,
+ nbr->ei->eigrp->sequence_number, nbr->recv_sequence_number);
// encode Authentication TLV, if needed
if ((nbr->ei->params.auth_type == EIGRP_AUTH_TYPE_MD5)
static void eigrp_update_place_on_nbr_queue(struct eigrp_neighbor *nbr,
struct eigrp_packet *ep,
- u_int32_t seq_no,
- int length)
+ uint32_t seq_no, int length)
{
- if((nbr->ei->params.auth_type == EIGRP_AUTH_TYPE_MD5) &&
- (nbr->ei->params.auth_keychain != NULL)) {
- eigrp_make_md5_digest(nbr->ei,ep->s, EIGRP_AUTH_UPDATE_FLAG);
+ if ((nbr->ei->params.auth_type == EIGRP_AUTH_TYPE_MD5)
+ && (nbr->ei->params.auth_keychain != NULL)) {
+ eigrp_make_md5_digest(nbr->ei, ep->s, EIGRP_AUTH_UPDATE_FLAG);
}
/* EIGRP Checksum */
void eigrp_update_send_EOT(struct eigrp_neighbor *nbr)
{
struct eigrp_packet *ep;
- u_int16_t length = EIGRP_HEADER_LEN;
+ uint16_t length = EIGRP_HEADER_LEN;
struct eigrp_nexthop_entry *te;
struct eigrp_prefix_entry *pe;
struct listnode *node2, *nnode2;
struct eigrp_interface *ei = nbr->ei;
struct eigrp *eigrp = ei->eigrp;
struct prefix *dest_addr;
- u_int32_t seq_no = eigrp->sequence_number;
- u_int16_t mtu = ei->ifp->mtu;
+ uint32_t seq_no = eigrp->sequence_number;
+ uint16_t eigrp_mtu = EIGRP_PACKET_MTU(ei->ifp->mtu);
struct route_node *rn;
- ep = eigrp_packet_new(mtu, nbr);
+ ep = eigrp_packet_new(eigrp_mtu, nbr);
/* Prepare EIGRP EOT UPDATE header */
- eigrp_packet_header_init(EIGRP_OPC_UPDATE, eigrp,
- ep->s, EIGRP_EOT_FLAG,
+ eigrp_packet_header_init(EIGRP_OPC_UPDATE, eigrp, ep->s, EIGRP_EOT_FLAG,
seq_no, nbr->recv_sequence_number);
// encode Authentication TLV, if needed
- if((ei->params.auth_type == EIGRP_AUTH_TYPE_MD5) &&
- (ei->params.auth_keychain != NULL)) {
- length += eigrp_add_authTLV_MD5_to_stream(ep->s,ei);
+ if ((ei->params.auth_type == EIGRP_AUTH_TYPE_MD5)
+ && (ei->params.auth_keychain != NULL)) {
+ length += eigrp_add_authTLV_MD5_to_stream(ep->s, ei);
}
for (rn = route_top(eigrp->topology_table); rn; rn = route_next(rn)) {
if (eigrp_nbr_split_horizon_check(te, ei))
continue;
- if ((length + 0x001D) > mtu) {
- eigrp_update_place_on_nbr_queue (nbr, ep, seq_no, length);
+ if ((length + EIGRP_TLV_MAX_IPV4_BYTE) > eigrp_mtu) {
+ eigrp_update_place_on_nbr_queue(nbr, ep, seq_no,
+ length);
seq_no++;
length = EIGRP_HEADER_LEN;
- ep = eigrp_packet_new(mtu, nbr);
- eigrp_packet_header_init(EIGRP_OPC_UPDATE,
- nbr->ei->eigrp,
- ep->s, EIGRP_EOT_FLAG,
- seq_no,
- nbr->recv_sequence_number);
-
- if((ei->params.auth_type == EIGRP_AUTH_TYPE_MD5) &&
- (ei->params.auth_keychain != NULL))
- {
- length += eigrp_add_authTLV_MD5_to_stream(ep->s,ei);
+ ep = eigrp_packet_new(eigrp_mtu, nbr);
+ eigrp_packet_header_init(
+ EIGRP_OPC_UPDATE, nbr->ei->eigrp, ep->s,
+ EIGRP_EOT_FLAG, seq_no,
+ nbr->recv_sequence_number);
+
+ if ((ei->params.auth_type
+ == EIGRP_AUTH_TYPE_MD5)
+ && (ei->params.auth_keychain != NULL)) {
+ length +=
+ eigrp_add_authTLV_MD5_to_stream(
+ ep->s, ei);
}
}
/* Get destination address from prefix */
dest_addr = pe->destination;
/* Check if any list fits */
- if (eigrp_update_prefix_apply(eigrp, ei,
- EIGRP_FILTER_OUT,
- dest_addr))
+ if (eigrp_update_prefix_apply(
+ eigrp, ei, EIGRP_FILTER_OUT, dest_addr))
continue;
else {
- length += eigrp_add_internalTLV_to_stream(ep->s, pe);
+ length += eigrp_add_internalTLV_to_stream(ep->s,
+ pe);
}
}
}
- eigrp_update_place_on_nbr_queue (nbr, ep, seq_no, length);
+ eigrp_update_place_on_nbr_queue(nbr, ep, seq_no, length);
eigrp->sequence_number = seq_no++;
}
struct eigrp_packet *ep;
struct listnode *node, *nnode;
struct eigrp_prefix_entry *pe;
- u_char has_tlv;
+ uint8_t has_tlv;
struct eigrp *eigrp = ei->eigrp;
struct prefix *dest_addr;
- u_int32_t seq_no = eigrp->sequence_number;
+ uint32_t seq_no = eigrp->sequence_number;
+ uint16_t eigrp_mtu = EIGRP_PACKET_MTU(ei->ifp->mtu);
if (ei->nbrs->count == 0)
return;
- u_int16_t length = EIGRP_HEADER_LEN;
+ uint16_t length = EIGRP_HEADER_LEN;
- ep = eigrp_packet_new(ei->ifp->mtu, NULL);
+ ep = eigrp_packet_new(eigrp_mtu, NULL);
/* Prepare EIGRP INIT UPDATE header */
- eigrp_packet_header_init(EIGRP_OPC_UPDATE, eigrp,
- ep->s, 0, seq_no, 0);
+ eigrp_packet_header_init(EIGRP_OPC_UPDATE, eigrp, ep->s, 0, seq_no, 0);
// encode Authentication TLV, if needed
if ((ei->params.auth_type == EIGRP_AUTH_TYPE_MD5)
if (eigrp_nbr_split_horizon_check(ne, ei))
continue;
- if ((length + 0x001D) > (u_int16_t)ei->ifp->mtu) {
+ if ((length + EIGRP_TLV_MAX_IPV4_BYTE) > eigrp_mtu) {
if ((ei->params.auth_type == EIGRP_AUTH_TYPE_MD5)
&& (ei->params.auth_keychain != NULL)) {
- eigrp_make_md5_digest(ei, ep->s, EIGRP_AUTH_UPDATE_FLAG);
+ eigrp_make_md5_digest(ei, ep->s,
+ EIGRP_AUTH_UPDATE_FLAG);
}
eigrp_packet_checksum(ei, ep->s, length);
eigrp_update_send_to_all_nbrs(ei, ep);
length = EIGRP_HEADER_LEN;
- ep = eigrp_packet_new(ei->ifp->mtu, NULL);
- eigrp_packet_header_init(EIGRP_OPC_UPDATE, eigrp,
- ep->s, 0, seq_no, 0);
+ ep = eigrp_packet_new(eigrp_mtu, NULL);
+ eigrp_packet_header_init(EIGRP_OPC_UPDATE, eigrp, ep->s,
+ 0, seq_no, 0);
if ((ei->params.auth_type == EIGRP_AUTH_TYPE_MD5)
&& (ei->params.auth_keychain != NULL)) {
- length += eigrp_add_authTLV_MD5_to_stream(ep->s, ei);
+ length += eigrp_add_authTLV_MD5_to_stream(ep->s,
+ ei);
}
has_tlv = 0;
}
/* Get destination address from prefix */
dest_addr = pe->destination;
- if (eigrp_update_prefix_apply(eigrp, ei,
- EIGRP_FILTER_OUT,
+ if (eigrp_update_prefix_apply(eigrp, ei, EIGRP_FILTER_OUT,
dest_addr)) {
// pe->reported_metric.delay = EIGRP_MAX_METRIC;
continue;
} else {
- length += eigrp_add_internalTLV_to_stream(ep->s,
- pe);
+ length += eigrp_add_internalTLV_to_stream(ep->s, pe);
has_tlv = 1;
}
}
/**
* @fn eigrp_update_send_GR_part
*
- * @param[in] nbr contains neighbor who would receive Graceful
+ * @param[in] nbr contains neighbor who would receive
+ * Graceful
* restart
*
* @return void
static void eigrp_update_send_GR_part(struct eigrp_neighbor *nbr)
{
struct eigrp_packet *ep;
- u_int16_t length = EIGRP_HEADER_LEN;
+ uint16_t length = EIGRP_HEADER_LEN;
struct eigrp_prefix_entry *pe;
struct prefix *dest_addr;
struct eigrp_interface *ei = nbr->ei;
struct eigrp *eigrp = ei->eigrp;
struct list *prefixes;
- u_int32_t flags;
+ uint32_t flags;
unsigned int send_prefixes;
struct route_node *rn;
prefixes = nbr->nbr_gr_prefixes_send;
send_prefixes = 0;
- length = EIGRP_HEADER_LEN;
/* if there already were last packet chunk, we won't continue */
if (nbr->nbr_gr_packet_type == EIGRP_PACKET_PART_LAST)
}
}
- ep = eigrp_packet_new(ei->ifp->mtu, nbr);
+ ep = eigrp_packet_new(EIGRP_PACKET_MTU(ei->ifp->mtu), nbr);
/* Prepare EIGRP Graceful restart UPDATE header */
eigrp_packet_header_init(EIGRP_OPC_UPDATE, eigrp, ep->s, flags,
*/
dest_addr = pe->destination;
- if (eigrp_update_prefix_apply(eigrp, ei,
- EIGRP_FILTER_OUT,
+ if (eigrp_update_prefix_apply(eigrp, ei, EIGRP_FILTER_OUT,
dest_addr)) {
/* do not send filtered route */
zlog_info("Filtered prefix %s won't be sent out.",
* This makes no sense, Filter out then filter in???
* Look into this more - DBS
*/
- if (eigrp_update_prefix_apply(eigrp, ei,
- EIGRP_FILTER_IN,
+ if (eigrp_update_prefix_apply(eigrp, ei, EIGRP_FILTER_IN,
dest_addr)) {
/* do not send filtered route */
zlog_info("Filtered prefix %s will be removed.",
/**
* @fn eigrp_update_send_GR
*
- * @param[in] nbr Neighbor who would receive Graceful
+ * @param[in] nbr Neighbor who would receive
+ * Graceful
* restart
* @param[in] gr_type Who executed Graceful restart
* @param[in] vty Virtual terminal for log output
vty_out(vty,
"Neighbor %s (%s) is resync: manually cleared\n",
inet_ntoa(nbr->src),
- ifindex2ifname(ei->ifp->ifindex,
- VRF_DEFAULT));
+ ifindex2ifname(ei->ifp->ifindex, VRF_DEFAULT));
}
}
/**
* @fn eigrp_update_send_interface_GR
*
- * @param[in] ei Interface to neighbors of which the GR
+ * @param[in] ei Interface to neighbors of which
+ * the
+ * GR
* is sent
* @param[in] gr_type Who executed Graceful restart
* @param[in] vty Virtual terminal for log output
projects / mirror_frr.git / blobdiff