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eigrpd: Remove union from FSM msg

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Remove the union of passing the TLV and just pass the metric in.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
This commit is contained in:
Donald Sharp 2017-08-22 19:19:10 -04:00
parent 3aea4e507b
commit db6ec9ff6e
7 changed files with 38 additions and 46 deletions
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2
eigrpd/eigrp_query.c
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@ -133,7 +133,7 @@ void eigrp_query_receive(struct eigrp *eigrp, struct ip *iph,
msg.eigrp = eigrp;
msg.data_type = EIGRP_INT;
msg.adv_router = nbr;
msg.data.ipv4_int_type = tlv;
msg.metrics = tlv->metric;
msg.entry = entry;
msg.prefix = dest;
eigrp_fsm_event(&msg);

2
eigrpd/eigrp_reply.c
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@ -239,7 +239,7 @@ void eigrp_reply_receive(struct eigrp *eigrp, struct ip *iph,
msg.eigrp = eigrp;
msg.data_type = EIGRP_INT;
msg.adv_router = nbr;
msg.data.ipv4_int_type = tlv;
msg.metrics = tlv->metric;
msg.entry = entry;
msg.prefix = dest;
eigrp_fsm_event(&msg);

2
eigrpd/eigrp_siaquery.c
View File

@ -102,7 +102,7 @@ void eigrp_siaquery_receive(struct eigrp *eigrp, struct ip *iph,
msg.eigrp = eigrp;
msg.data_type = EIGRP_INT;
msg.adv_router = nbr;
msg.data.ipv4_int_type = tlv;
msg.metrics = tlv->metric;
msg.entry = entry;
msg.prefix = dest;
eigrp_fsm_event(&msg);

2
eigrpd/eigrp_siareply.c
View File

@ -101,7 +101,7 @@ void eigrp_siareply_receive(struct eigrp *eigrp, struct ip *iph,
msg.eigrp = eigrp;
msg.data_type = EIGRP_INT;
msg.adv_router = nbr;
msg.data.ipv4_int_type = tlv;
msg.metrics = tlv->metric;
msg.entry = entry;
msg.prefix = dest;
eigrp_fsm_event(&msg);

5
eigrpd/eigrp_structs.h
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@ -514,10 +514,7 @@ struct eigrp_fsm_action_message {
struct eigrp_neighbor_entry *entry;
struct eigrp_prefix_entry *prefix;
msg_data_t data_type; // internal or external tlv type
union {
struct TLV_IPv4_External_type *ipv4_ext_data;
struct TLV_IPv4_Internal_type *ipv4_int_type;
} data;
struct eigrp_metrics metrics;
};
#endif /* _ZEBRA_EIGRP_STRUCTURES_H_ */

65
eigrpd/eigrp_topology.c
View File

@ -380,50 +380,45 @@ enum metric_change eigrp_topology_update_distance(struct eigrp_fsm_action_messag
struct eigrp_prefix_entry *prefix = msg->prefix;
struct eigrp_neighbor_entry *entry = msg->entry;
enum metric_change change = METRIC_SAME;
u_int32_t new_reported_distance;
assert(entry);
struct TLV_IPv4_External_type *ext_data = NULL;
struct TLV_IPv4_Internal_type *int_data = NULL;
switch(msg->data_type) {
case EIGRP_CONNECTED:
if (prefix->nt == EIGRP_TOPOLOGY_TYPE_CONNECTED)
return change;
change = METRIC_DECREASE;
break;
case EIGRP_INT:
{
u_int32_t new_reported_distance;
int_data = msg->data.ipv4_int_type;
if (eigrp_metrics_is_same(int_data->metric,
entry->reported_metric)) {
return change; // No change
}
new_reported_distance = eigrp_calculate_metrics(eigrp,
int_data->metric);
if (entry->reported_distance < new_reported_distance)
change = METRIC_INCREASE;
else
change = METRIC_DECREASE;
entry->reported_metric = int_data->metric;
entry->reported_distance = new_reported_distance;
eigrp_calculate_metrics(eigrp, int_data->metric);
entry->distance = eigrp_calculate_total_metrics(eigrp, entry);
break;
if (eigrp_metrics_is_same(msg->metrics,
entry->reported_metric)) {
return change; // No change
}
new_reported_distance = eigrp_calculate_metrics(eigrp,
msg->metrics);
if (entry->reported_distance < new_reported_distance)
change = METRIC_INCREASE;
else
change = METRIC_DECREASE;
entry->reported_metric = msg->metrics;
entry->reported_distance = new_reported_distance;
eigrp_calculate_metrics(eigrp, msg->metrics);
entry->distance = eigrp_calculate_total_metrics(eigrp, entry);
break;
case EIGRP_EXT:
{
ext_data = msg->data.ipv4_ext_data;
if (prefix->nt == EIGRP_TOPOLOGY_TYPE_REMOTE_EXTERNAL) {
if (eigrp_metrics_is_same(ext_data->metric,
entry->reported_metric))
return change;
} else
change = METRIC_INCREASE;
if (prefix->nt == EIGRP_TOPOLOGY_TYPE_REMOTE_EXTERNAL) {
if (eigrp_metrics_is_same(msg->metrics,
entry->reported_metric))
return change;
} else
change = METRIC_INCREASE;
break;
}
default:
zlog_err("%s: Please implement handler", __PRETTY_FUNCTION__);
break;
@ -511,7 +506,7 @@ void eigrp_topology_neighbor_down(struct eigrp *eigrp,
msg.eigrp = eigrp;
msg.data_type = EIGRP_INT;
msg.adv_router = nbr;
msg.data.ipv4_int_type = tlv;
msg.metrics = tlv->metric;
msg.entry = entry;
msg.prefix = prefix;
eigrp_fsm_event(&msg);

6
eigrpd/eigrp_update.c
View File

@ -141,7 +141,7 @@ static void eigrp_update_receive_GR_ask(struct eigrp *eigrp,
fsm_msg.eigrp = eigrp;
fsm_msg.data_type = EIGRP_INT;
fsm_msg.adv_router = nbr;
fsm_msg.data.ipv4_int_type = tlv_max;
fsm_msg.metrics = tlv_max->metric;
fsm_msg.entry = entry;
fsm_msg.prefix = prefix;
@ -317,7 +317,7 @@ void eigrp_update_receive(struct eigrp *eigrp, struct ip *iph,
msg.eigrp = eigrp;
msg.data_type = EIGRP_INT;
msg.adv_router = nbr;
msg.data.ipv4_int_type = tlv;
msg.metrics = tlv->metric;
msg.entry = entry;
msg.prefix = dest;
eigrp_fsm_event(&msg);
@ -980,7 +980,7 @@ static void eigrp_update_send_GR_part(struct eigrp_neighbor *nbr)
fsm_msg.eigrp = e;
fsm_msg.data_type = EIGRP_INT;
fsm_msg.adv_router = nbr;
fsm_msg.data.ipv4_int_type = tlv_max;
fsm_msg.metrics = tlv_max->metric;
fsm_msg.entry = entry;
fsm_msg.prefix = pe;