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eigrpd: Refactor eigrp_topoloy_table_lookup_ipv4

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Allow eigrp_topology_table_lookup_ipv4 to use
'struct prefix'

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2017-08-23 15:31:02 -04:00
parent 836aad7ee8
commit 476a146963
8 changed files with 34 additions and 41 deletions
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10
eigrpd/eigrp_interface.c
View File

@ -296,7 +296,7 @@ int eigrp_if_up(struct eigrp_interface *ei)
dest_addr.prefixlen = ei->connected->address->prefixlen;
apply_mask(&dest_addr);
pe = eigrp_topology_table_lookup_ipv4(eigrp->topology_table,
(struct prefix_ipv4 *)&dest_addr);
&dest_addr);
if (pe == NULL) {
pe = eigrp_prefix_entry_new();
@ -430,7 +430,7 @@ u_char eigrp_default_iftype(struct interface *ifp)
void eigrp_if_free(struct eigrp_interface *ei, int source)
{
struct prefix_ipv4 dest_addr;
struct prefix dest_addr;
struct eigrp_prefix_entry *pe;
struct eigrp *eigrp = eigrp_lookup();
@ -439,10 +439,8 @@ void eigrp_if_free(struct eigrp_interface *ei, int source)
eigrp_hello_send(ei, EIGRP_HELLO_GRACEFUL_SHUTDOWN, NULL);
}
dest_addr.family = AF_INET;
dest_addr.prefix = ei->connected->address->u.prefix4;
dest_addr.prefixlen = ei->connected->address->prefixlen;
apply_mask_ipv4(&dest_addr);
dest_addr = *ei->connected->address;
apply_mask(&dest_addr);
pe = eigrp_topology_table_lookup_ipv4(eigrp->topology_table,
&dest_addr);
if (pe)

4
eigrpd/eigrp_query.c
View File

@ -91,7 +91,7 @@ void eigrp_query_receive(struct eigrp *eigrp, struct ip *iph,
{
struct eigrp_neighbor *nbr;
struct TLV_IPv4_Internal_type *tlv;
struct prefix_ipv4 dest_addr;
struct prefix dest_addr;
u_int16_t type;
u_int16_t length;
@ -116,7 +116,7 @@ void eigrp_query_receive(struct eigrp *eigrp, struct ip *iph,
tlv = eigrp_read_ipv4_tlv(s);
dest_addr.family = AF_INET;
dest_addr.prefix = tlv->destination;
dest_addr.u.prefix4 = tlv->destination;
dest_addr.prefixlen = tlv->prefix_length;
struct eigrp_prefix_entry *dest =
eigrp_topology_table_lookup_ipv4(

4
eigrpd/eigrp_reply.c
View File

@ -179,14 +179,14 @@ void eigrp_reply_receive(struct eigrp *eigrp, struct ip *iph,
while (s->endp > s->getp) {
type = stream_getw(s);
if (type == EIGRP_TLV_IPv4_INT) {
struct prefix_ipv4 dest_addr;
struct prefix dest_addr;
stream_set_getp(s, s->getp - sizeof(u_int16_t));
tlv = eigrp_read_ipv4_tlv(s);
dest_addr.family = AF_INET;
dest_addr.prefix = tlv->destination;
dest_addr.u.prefix4 = tlv->destination;
dest_addr.prefixlen = tlv->prefix_length;
struct eigrp_prefix_entry *dest =
eigrp_topology_table_lookup_ipv4(

4
eigrpd/eigrp_siaquery.c
View File

@ -78,14 +78,14 @@ void eigrp_siaquery_receive(struct eigrp *eigrp, struct ip *iph,
while (s->endp > s->getp) {
type = stream_getw(s);
if (type == EIGRP_TLV_IPv4_INT) {
struct prefix_ipv4 dest_addr;
struct prefix dest_addr;
stream_set_getp(s, s->getp - sizeof(u_int16_t));
tlv = eigrp_read_ipv4_tlv(s);
dest_addr.family = AFI_IP;
dest_addr.prefix = tlv->destination;
dest_addr.u.prefix4 = tlv->destination;
dest_addr.prefixlen = tlv->prefix_length;
struct eigrp_prefix_entry *dest =
eigrp_topology_table_lookup_ipv4(

4
eigrpd/eigrp_siareply.c
View File

@ -77,14 +77,14 @@ void eigrp_siareply_receive(struct eigrp *eigrp, struct ip *iph,
while (s->endp > s->getp) {
type = stream_getw(s);
if (type == EIGRP_TLV_IPv4_INT) {
struct prefix_ipv4 dest_addr;
struct prefix dest_addr;
stream_set_getp(s, s->getp - sizeof(u_int16_t));
tlv = eigrp_read_ipv4_tlv(s);
dest_addr.family = AFI_IP;
dest_addr.prefix = tlv->destination;
dest_addr.u.prefix4 = tlv->destination;
dest_addr.prefixlen = tlv->prefix_length;
struct eigrp_prefix_entry *dest =
eigrp_topology_table_lookup_ipv4(

5
eigrpd/eigrp_topology.c
View File

@ -261,13 +261,12 @@ unsigned int eigrp_topology_table_isempty(struct list *topology)
struct eigrp_prefix_entry *
eigrp_topology_table_lookup_ipv4(struct list *topology_table,
struct prefix_ipv4 *address)
struct prefix *address)
{
struct eigrp_prefix_entry *data;
struct listnode *node;
for (ALL_LIST_ELEMENTS_RO(topology_table, node, data)) {
if (prefix_same(data->destination,
(struct prefix *)address))
if (prefix_same(data->destination, address))
return data;
}

2
eigrpd/eigrp_topology.h
View File

@ -49,7 +49,7 @@ extern void eigrp_neighbor_entry_delete(struct eigrp_prefix_entry *,
extern void eigrp_topology_delete_all(struct list *);
extern unsigned int eigrp_topology_table_isempty(struct list *);
extern struct eigrp_prefix_entry *
eigrp_topology_table_lookup_ipv4(struct list *, struct prefix_ipv4 *);
eigrp_topology_table_lookup_ipv4(struct list *, struct prefix *);
extern struct list *eigrp_topology_get_successor(struct eigrp_prefix_entry *);
extern struct list *
eigrp_topology_get_successor_max(struct eigrp_prefix_entry *pe,

42
eigrpd/eigrp_update.c
View File

@ -157,7 +157,7 @@ void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
u_char same;
struct access_list *alist;
struct prefix_list *plist;
struct prefix_ipv4 dest_addr;
struct prefix dest_addr;
struct eigrp *e;
u_char graceful_restart;
u_char graceful_restart_final;
@ -281,7 +281,7 @@ void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
/*searching if destination exists */
dest_addr.family = AF_INET;
dest_addr.prefix = tlv->destination;
dest_addr.u.prefix4 = tlv->destination;
dest_addr.prefixlen = tlv->prefix_length;
struct eigrp_prefix_entry *dest =
eigrp_topology_table_lookup_ipv4(
@ -314,7 +314,7 @@ void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
pe->serno = eigrp->serno;
pe->destination = (struct prefix *)prefix_ipv4_new();
prefix_copy(pe->destination,
(struct prefix *)&dest_addr);
&dest_addr);
pe->af = AF_INET;
pe->state = EIGRP_FSM_STATE_PASSIVE;
pe->nt = EIGRP_TOPOLOGY_TYPE_REMOTE;
@ -338,9 +338,8 @@ void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
/* Check if access-list fits */
if (alist
&& access_list_apply(
alist,
(struct prefix *)&dest_addr)
&& access_list_apply(alist,
&dest_addr)
== FILTER_DENY) {
/* If yes, set reported metric to Max */
ne->reported_metric.delay =
@ -355,9 +354,8 @@ void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
/* Check if prefix-list fits */
if (plist
&& prefix_list_apply(
plist,
(struct prefix *)&dest_addr)
&& prefix_list_apply(plist,
&dest_addr)
== PREFIX_DENY) {
/* If yes, set reported metric to Max */
ne->reported_metric.delay =
@ -369,9 +367,8 @@ void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
/* Check if access-list fits */
if (alist
&& access_list_apply(
alist,
(struct prefix *)&dest_addr)
&& access_list_apply(alist,
&dest_addr)
== FILTER_DENY) {
/* If yes, set reported metric to Max */
ne->reported_metric.delay =
@ -382,9 +379,8 @@ void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
/* Check if prefix-list fits */
if (plist
&& prefix_list_apply(
plist,
(struct prefix *)&dest_addr)
&& prefix_list_apply(plist,
&dest_addr)
== PREFIX_DENY) {
/* If yes, set reported metric to Max */
ne->reported_metric.delay =
@ -626,13 +622,13 @@ void eigrp_update_send_EOT(struct eigrp_neighbor *nbr)
/* Check if any list fits */
if ((alist
&& access_list_apply (alist,
(struct prefix *) dest_addr) == FILTER_DENY)||
dest_addr) == FILTER_DENY)||
(plist && prefix_list_apply (plist,
(struct prefix *) dest_addr) == PREFIX_DENY)||
dest_addr) == PREFIX_DENY)||
(alist_i && access_list_apply (alist_i,
(struct prefix *) dest_addr) == FILTER_DENY)||
dest_addr) == FILTER_DENY)||
(plist_i && prefix_list_apply (plist_i,
(struct prefix *) dest_addr) == PREFIX_DENY)) {
dest_addr) == PREFIX_DENY)) {
//pe->reported_metric.delay = EIGRP_MAX_METRIC;
continue;
} else {
@ -730,19 +726,19 @@ void eigrp_update_send(struct eigrp_interface *ei)
/* Check if any list fits */
if ((alist
&& access_list_apply(alist,
(struct prefix *)dest_addr)
dest_addr)
== FILTER_DENY)
|| (plist
&& prefix_list_apply(plist,
(struct prefix *)dest_addr)
dest_addr)
== PREFIX_DENY)
|| (alist_i
&& access_list_apply(alist_i,
(struct prefix *)dest_addr)
dest_addr)
== FILTER_DENY)
|| (plist_i
&& prefix_list_apply(plist_i,
(struct prefix *)dest_addr)
dest_addr)
== PREFIX_DENY)) {
// pe->reported_metric.delay = EIGRP_MAX_METRIC;
continue;