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eigrpd: Convert pe->destination_ipv4 to pe->destination

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Convert the destination_ipv4 to a struct prefix and just
call it destination.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2017-08-23 14:19:45 -04:00
parent 348addb4e7
commit 02b4599881
7 changed files with 78 additions and 107 deletions
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7
eigrpd/eigrp_dump.c
View file

@ -158,7 +158,7 @@ const char *eigrp_topology_ip_string(struct eigrp_prefix_entry *tn)
static char buf[EIGRP_IF_STRING_MAXLEN] = "";
u_int32_t ifaddr;
ifaddr = ntohl(tn->destination_ipv4->prefix.s_addr);
ifaddr = ntohl(tn->destination->u.prefix4.s_addr);
snprintf(buf, EIGRP_IF_STRING_MAXLEN, "%u.%u.%u.%u",
(ifaddr >> 24) & 0xff, (ifaddr >> 16) & 0xff,
(ifaddr >> 8) & 0xff, ifaddr & 0xff);
@ -289,11 +289,12 @@ void show_ip_eigrp_topology_header(struct vty *vty, struct eigrp *eigrp)
void show_ip_eigrp_prefix_entry(struct vty *vty, struct eigrp_prefix_entry *tn)
{
struct list *successors = eigrp_topology_get_successor(tn);
char buffer[PREFIX_STRLEN];
vty_out(vty, "%-3c", (tn->state > 0) ? 'A' : 'P');
vty_out(vty, "%s/%u, ", inet_ntoa(tn->destination_ipv4->prefix),
tn->destination_ipv4->prefixlen);
vty_out(vty, "%s, ",
prefix2str(tn->destination, buffer, PREFIX_STRLEN));
vty_out(vty, "%u successors, ", successors->count);
vty_out(vty, "FD is %u, serno: %" PRIu64 " \n", tn->fdistance,
tn->serno);

13
eigrpd/eigrp_interface.c
View file

@ -289,21 +289,20 @@ int eigrp_if_up(struct eigrp_interface *ei)
ne->adv_router = eigrp->neighbor_self;
ne->flags = EIGRP_NEIGHBOR_ENTRY_SUCCESSOR_FLAG;
struct prefix_ipv4 dest_addr;
struct prefix dest_addr;
dest_addr.family = AF_INET;
dest_addr.prefix = ei->connected->address->u.prefix4;
dest_addr.u.prefix4 = ei->connected->address->u.prefix4;
dest_addr.prefixlen = ei->connected->address->prefixlen;
apply_mask_ipv4(&dest_addr);
apply_mask(&dest_addr);
pe = eigrp_topology_table_lookup_ipv4(eigrp->topology_table,
&dest_addr);
(struct prefix_ipv4 *)&dest_addr);
if (pe == NULL) {
pe = eigrp_prefix_entry_new();
pe->serno = eigrp->serno;
pe->destination_ipv4 = prefix_ipv4_new();
prefix_copy((struct prefix *)pe->destination_ipv4,
(struct prefix *)&dest_addr);
pe->destination = (struct prefix *)prefix_ipv4_new();
prefix_copy(pe->destination, &dest_addr);
pe->af = AF_INET;
pe->nt = EIGRP_TOPOLOGY_TYPE_CONNECTED;

44
eigrpd/eigrp_packet.c
View file

@ -1167,21 +1167,21 @@ u_int16_t eigrp_add_internalTLV_to_stream(struct stream *s,
u_int16_t length;
stream_putw(s, EIGRP_TLV_IPv4_INT);
if (pe->destination_ipv4->prefixlen <= 8) {
if (pe->destination->prefixlen <= 8) {
stream_putw(s, 0x001A);
length = 0x001A;
}
if ((pe->destination_ipv4->prefixlen > 8)
&& (pe->destination_ipv4->prefixlen <= 16)) {
if ((pe->destination->prefixlen > 8)
&& (pe->destination->prefixlen <= 16)) {
stream_putw(s, 0x001B);
length = 0x001B;
}
if ((pe->destination_ipv4->prefixlen > 16)
&& (pe->destination_ipv4->prefixlen <= 24)) {
if ((pe->destination->prefixlen > 16)
&& (pe->destination->prefixlen <= 24)) {
stream_putw(s, 0x001C);
length = 0x001C;
}
if (pe->destination_ipv4->prefixlen > 24) {
if (pe->destination->prefixlen > 24) {
stream_putw(s, 0x001D);
length = 0x001D;
}
@ -1200,34 +1200,18 @@ u_int16_t eigrp_add_internalTLV_to_stream(struct stream *s,
stream_putc(s, pe->reported_metric.tag);
stream_putc(s, pe->reported_metric.flags);
stream_putc(s, pe->destination_ipv4->prefixlen);
stream_putc(s, pe->destination->prefixlen);
if (pe->destination_ipv4->prefixlen <= 8) {
stream_putc(s, pe->destination_ipv4->prefix.s_addr & 0xFF);
}
if ((pe->destination_ipv4->prefixlen > 8)
&& (pe->destination_ipv4->prefixlen <= 16)) {
stream_putc(s, pe->destination_ipv4->prefix.s_addr & 0xFF);
stream_putc(s, pe->destination->u.prefix4.s_addr & 0xFF);
if (pe->destination->prefixlen > 8)
stream_putc(s,
(pe->destination_ipv4->prefix.s_addr >> 8) & 0xFF);
}
if ((pe->destination_ipv4->prefixlen > 16)
&& (pe->destination_ipv4->prefixlen <= 24)) {
stream_putc(s, pe->destination_ipv4->prefix.s_addr & 0xFF);
(pe->destination->u.prefix4.s_addr >> 8) & 0xFF);
if (pe->destination->prefixlen > 16)
stream_putc(s,
(pe->destination_ipv4->prefix.s_addr >> 8) & 0xFF);
(pe->destination->u.prefix4.s_addr >> 16) & 0xFF);
if (pe->destination->prefixlen > 24)
stream_putc(s,
(pe->destination_ipv4->prefix.s_addr >> 16) & 0xFF);
}
if (pe->destination_ipv4->prefixlen > 24) {
stream_putc(s, pe->destination_ipv4->prefix.s_addr & 0xFF);
stream_putc(s,
(pe->destination_ipv4->prefix.s_addr >> 8) & 0xFF);
stream_putc(s,
(pe->destination_ipv4->prefix.s_addr >> 16) & 0xFF);
stream_putc(s,
(pe->destination_ipv4->prefix.s_addr >> 24) & 0xFF);
}
(pe->destination->u.prefix4.s_addr >> 24) & 0xFF);
return length;
}

8
eigrpd/eigrp_reply.c
View file

@ -87,19 +87,19 @@ void eigrp_send_reply(struct eigrp_neighbor *nbr, struct eigrp_prefix_entry *pe)
/* Check if any list fits */
if ((alist
&& access_list_apply(alist, (struct prefix *)pe2->destination_ipv4)
&& access_list_apply(alist, pe2->destination)
== FILTER_DENY)
|| (plist
&& prefix_list_apply(plist,
(struct prefix *)pe2->destination_ipv4)
pe2->destination)
== PREFIX_DENY)
|| (alist_i
&& access_list_apply(alist_i,
(struct prefix *)pe2->destination_ipv4)
pe2->destination)
== FILTER_DENY)
|| (plist_i
&& prefix_list_apply(plist_i,
(struct prefix *)pe2->destination_ipv4)
pe2->destination)
== PREFIX_DENY)) {
zlog_info("REPLY SEND: Setting Metric to max");
pe2->reported_metric.delay = EIGRP_MAX_METRIC;

5
eigrpd/eigrp_structs.h
View file

@ -469,10 +469,7 @@ struct eigrp_prefix_entry {
u_char af; // address family
u_char req_action; // required action
struct prefix_ipv4
*destination_ipv4; // pointer to struct with ipv4 address
struct prefix_ipv6
*destination_ipv6; // pointer to struct with ipv6 address
struct prefix *destination;
// If network type is REMOTE_EXTERNAL, pointer will have reference to
// its external TLV

60
eigrpd/eigrp_topology.c
View file

@ -81,25 +81,18 @@ static int eigrp_prefix_entry_cmp(struct eigrp_prefix_entry *node1,
{
if (node1->af == AF_INET) {
if (node2->af == AF_INET) {
if (node1->destination_ipv4->prefix.s_addr
< node2->destination_ipv4->prefix.s_addr) {
return -1; // if it belong above node2
} else {
if (node1->destination_ipv4->prefix.s_addr
> node2->destination_ipv4->prefix.s_addr) {
return 1; // if it belongs under node2
} else {
return 0; // same value... ERROR...in
// case of adding same prefix
// again
}
}
} else {
if (node1->destination->u.prefix4.s_addr
< node2->destination->u.prefix4.s_addr)
return -1;
if (node1->destination->u.prefix4.s_addr
> node2->destination->u.prefix4.s_addr)
return 1;
else
return 0;
} else
return 1;
}
} else { // TODO check if the prefix dont exists
return 1; // add to end
}
} else
return 1;
}
/*
@ -125,8 +118,7 @@ struct eigrp_prefix_entry *eigrp_prefix_entry_new()
new->rij = list_new();
new->entries->cmp = (int (*)(void *, void *))eigrp_neighbor_entry_cmp;
new->distance = new->fdistance = new->rdistance = EIGRP_MAX_METRIC;
new->destination_ipv4 = NULL;
new->destination_ipv6 = NULL;
new->destination = NULL;
return new;
}
@ -137,9 +129,8 @@ struct eigrp_prefix_entry *eigrp_prefix_entry_new()
static int eigrp_neighbor_entry_cmp(struct eigrp_neighbor_entry *entry1,
struct eigrp_neighbor_entry *entry2)
{
if (entry1->distance
< entry2->distance) // parameter used in list_add_sort ()
return -1; // actually set to sort by distance
if (entry1->distance < entry2->distance)
return -1;
if (entry1->distance > entry2->distance)
return 1;
@ -205,7 +196,8 @@ void eigrp_neighbor_entry_add(struct eigrp_prefix_entry *node,
listnode_add_sort(node->entries, entry);
entry->prefix = node;
eigrp_zebra_route_add(node->destination_ipv4, l);
eigrp_zebra_route_add((struct prefix_ipv4 *)
node->destination, l);
}
list_delete(l);
@ -230,7 +222,8 @@ void eigrp_prefix_entry_delete(struct list *topology,
list_free(node->entries);
list_free(node->rij);
listnode_delete(topology, node);
eigrp_zebra_route_delete(node->destination_ipv4);
eigrp_zebra_route_delete((struct prefix_ipv4 *)
node->destination);
XFREE(MTYPE_EIGRP_PREFIX_ENTRY, node);
}
}
@ -243,7 +236,8 @@ void eigrp_neighbor_entry_delete(struct eigrp_prefix_entry *node,
{
if (listnode_lookup(node->entries, entry) != NULL) {
listnode_delete(node->entries, entry);
eigrp_zebra_route_delete(node->destination_ipv4);
eigrp_zebra_route_delete((struct prefix_ipv4 *)
node->destination);
XFREE(MTYPE_EIGRP_NEIGHBOR_ENTRY, entry);
}
}
@ -275,11 +269,8 @@ eigrp_topology_table_lookup_ipv4(struct list *topology_table,
struct eigrp_prefix_entry *data;
struct listnode *node;
for (ALL_LIST_ELEMENTS_RO(topology_table, node, data)) {
if ((data->af == AF_INET)
&& (data->destination_ipv4->prefix.s_addr
== address->prefix.s_addr)
&& (data->destination_ipv4->prefixlen
== address->prefixlen))
if (prefix_same(data->destination,
(struct prefix *)address))
return data;
}
@ -476,13 +467,16 @@ void eigrp_update_routing_table(struct eigrp_prefix_entry *prefix)
struct eigrp_neighbor_entry *entry;
if (successors) {
eigrp_zebra_route_add(prefix->destination_ipv4, successors);
eigrp_zebra_route_add((struct prefix_ipv4 *)
prefix->destination,
successors);
for (ALL_LIST_ELEMENTS_RO(successors, node, entry))
entry->flags |= EIGRP_NEIGHBOR_ENTRY_INTABLE_FLAG;
list_delete(successors);
} else {
eigrp_zebra_route_delete(prefix->destination_ipv4);
eigrp_zebra_route_delete((struct prefix_ipv4 *)
prefix->destination);
for (ALL_LIST_ELEMENTS_RO(prefix->entries, node, entry))
entry->flags &= ~EIGRP_NEIGHBOR_ENTRY_INTABLE_FLAG;
}

48
eigrpd/eigrp_update.c
View file

@ -116,9 +116,10 @@ static void eigrp_update_receive_GR_ask(struct eigrp *eigrp,
/* iterate over all prefixes which weren't advertised by neighbor */
for (ALL_LIST_ELEMENTS_RO(nbr_prefixes, node1, prefix)) {
zlog_debug("GR receive: Neighbor not advertised %s/%d",
inet_ntoa(prefix->destination_ipv4->prefix),
prefix->destination_ipv4->prefixlen);
char 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 */
@ -311,9 +312,8 @@ void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
/*Here comes topology information save*/
pe = eigrp_prefix_entry_new();
pe->serno = eigrp->serno;
pe->destination_ipv4 = prefix_ipv4_new();
prefix_copy(
(struct prefix *)pe->destination_ipv4,
pe->destination = (struct prefix *)prefix_ipv4_new();
prefix_copy(pe->destination,
(struct prefix *)&dest_addr);
pe->af = AF_INET;
pe->state = EIGRP_FSM_STATE_PASSIVE;
@ -571,7 +571,7 @@ void eigrp_update_send_EOT(struct eigrp_neighbor *nbr)
struct access_list *alist_i;
struct prefix_list *plist_i;
struct eigrp *e;
struct prefix_ipv4 *dest_addr;
struct prefix *dest_addr;
u_int32_t seq_no = nbr->ei->eigrp->sequence_number;
ep = eigrp_packet_new(nbr->ei->ifp->mtu, nbr);
@ -609,7 +609,7 @@ void eigrp_update_send_EOT(struct eigrp_neighbor *nbr)
}
}
/* Get destination address from prefix */
dest_addr = pe->destination_ipv4;
dest_addr = pe->destination;
/*
* Filtering
@ -656,7 +656,7 @@ void eigrp_update_send(struct eigrp_interface *ei)
struct access_list *alist_i;
struct prefix_list *plist_i;
struct eigrp *e;
struct prefix_ipv4 *dest_addr;
struct prefix *dest_addr;
u_int32_t seq_no = ei->eigrp->sequence_number;
if (ei->nbrs->count == 0)
@ -714,7 +714,7 @@ void eigrp_update_send(struct eigrp_interface *ei)
has_tlv = 0;
}
/* Get destination address from prefix */
dest_addr = pe->destination_ipv4;
dest_addr = pe->destination;
/*
* Filtering
@ -824,7 +824,7 @@ static void eigrp_update_send_GR_part(struct eigrp_neighbor *nbr)
u_int16_t length = EIGRP_HEADER_LEN;
struct listnode *node, *nnode;
struct eigrp_prefix_entry *pe;
struct prefix_ipv4 *dest_addr;
struct prefix *dest_addr;
struct eigrp *e;
struct access_list *alist, *alist_i;
struct prefix_list *plist, *plist_i;
@ -887,7 +887,7 @@ static void eigrp_update_send_GR_part(struct eigrp_neighbor *nbr)
/*
* Filtering
*/
dest_addr = pe->destination_ipv4;
dest_addr = pe->destination;
/* get list from eigrp process */
e = eigrp_lookup();
/* Get access-lists and prefix-lists from process and interface
@ -899,22 +899,20 @@ static void eigrp_update_send_GR_part(struct eigrp_neighbor *nbr)
/* Check if any list fits */
if ((alist
&& access_list_apply(alist, (struct prefix *)dest_addr)
&& access_list_apply(alist, dest_addr)
== FILTER_DENY)
|| (plist
&& prefix_list_apply(plist, (struct prefix *)dest_addr)
&& prefix_list_apply(plist, dest_addr)
== PREFIX_DENY)
|| (alist_i
&& access_list_apply(alist_i,
(struct prefix *)dest_addr)
&& access_list_apply(alist_i, dest_addr)
== FILTER_DENY)
|| (plist_i
&& prefix_list_apply(plist_i,
(struct prefix *)dest_addr)
&& prefix_list_apply(plist_i, dest_addr)
== PREFIX_DENY)) {
/* do not send filtered route */
zlog_info("Filtered prefix %s won't be sent out.",
inet_ntoa(dest_addr->prefix));
inet_ntoa(dest_addr->u.prefix4));
} else {
/* sending route which wasn't filtered */
length += eigrp_add_internalTLV_to_stream(ep->s, pe);
@ -928,22 +926,20 @@ static void eigrp_update_send_GR_part(struct eigrp_neighbor *nbr)
/* Check if any list fits */
if ((alist
&& access_list_apply(alist, (struct prefix *)dest_addr)
&& access_list_apply(alist, dest_addr)
== FILTER_DENY)
|| (plist
&& prefix_list_apply(plist, (struct prefix *)dest_addr)
&& prefix_list_apply(plist, dest_addr)
== PREFIX_DENY)
|| (alist_i
&& access_list_apply(alist_i,
(struct prefix *)dest_addr)
&& access_list_apply(alist_i, dest_addr)
== FILTER_DENY)
|| (plist_i
&& prefix_list_apply(plist_i,
(struct prefix *)dest_addr)
&& prefix_list_apply(plist_i, dest_addr)
== PREFIX_DENY)) {
/* do not send filtered route */
zlog_info("Filtered prefix %s will be removed.",
inet_ntoa(dest_addr->prefix));
inet_ntoa(dest_addr->u.prefix4));
/* prepare message for FSM */
struct eigrp_fsm_action_message fsm_msg;