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-rw-r--r--src/plugins/dhcp/dhcp6_ia_na_client_cp.c12
-rw-r--r--src/plugins/dhcp/dhcp6_ia_na_client_dp.c14
-rw-r--r--src/plugins/dhcp/dhcp6_pd_client_dp.c30
3 files changed, 19 insertions, 37 deletions
diff --git a/src/plugins/dhcp/dhcp6_ia_na_client_cp.c b/src/plugins/dhcp/dhcp6_ia_na_client_cp.c
index 2d4135d7ebd..b87ad2139ed 100644
--- a/src/plugins/dhcp/dhcp6_ia_na_client_cp.c
+++ b/src/plugins/dhcp/dhcp6_ia_na_client_cp.c
@@ -302,7 +302,11 @@ dhcp6_reply_event_handler (vl_api_dhcp6_reply_event_t * mp)
{
address_info->preferred_lt = preferred_time;
address_info->valid_lt = valid_time;
- address_info->due_time = current_time + valid_time;
+ address_info->due_time = current_time;
+ /* Renew the lease at the preferred time, if non-zero */
+ address_info->due_time += (preferred_time > 0) ?
+ preferred_time : valid_time;
+
if (address_info->due_time > rm->max_valid_due_time)
rm->max_valid_due_time = address_info->due_time;
continue;
@@ -316,7 +320,11 @@ dhcp6_reply_event_handler (vl_api_dhcp6_reply_event_t * mp)
address_info->address = *address;
address_info->preferred_lt = preferred_time;
address_info->valid_lt = valid_time;
- address_info->due_time = current_time + valid_time;
+ address_info->due_time = current_time;
+ /* Renew the lease at the preferred time, if non-zero */
+ address_info->due_time += (preferred_time > 0) ?
+ preferred_time : valid_time;
+
if (address_info->due_time > rm->max_valid_due_time)
rm->max_valid_due_time = address_info->due_time;
rm->client_state_by_sw_if_index[sw_if_index].address_count++;
diff --git a/src/plugins/dhcp/dhcp6_ia_na_client_dp.c b/src/plugins/dhcp/dhcp6_ia_na_client_dp.c
index 6ea822fff48..8ad7d765f69 100644
--- a/src/plugins/dhcp/dhcp6_ia_na_client_dp.c
+++ b/src/plugins/dhcp/dhcp6_ia_na_client_dp.c
@@ -84,8 +84,6 @@ create_buffer_for_client_message (vlib_main_t * vm, u32 sw_if_index,
u32 type)
{
dhcp6_client_common_main_t *ccm = &dhcp6_client_common_main;
- vnet_main_t *vnm = vnet_get_main ();
-
vlib_buffer_t *b;
u32 bi;
ip6_header_t *ip;
@@ -97,18 +95,6 @@ create_buffer_for_client_message (vlib_main_t * vm, u32 sw_if_index,
u32 n_addresses;
u32 i;
- vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
- vnet_sw_interface_t *sup_sw = vnet_get_sup_sw_interface (vnm, sw_if_index);
- vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index);
-
- /* Interface(s) down? */
- if ((hw->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) == 0)
- return NULL;
- if ((sup_sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
- return NULL;
- if ((sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
- return NULL;
-
/* Get a link-local address */
src_addr = ip6_neighbor_get_link_local_address (sw_if_index);
diff --git a/src/plugins/dhcp/dhcp6_pd_client_dp.c b/src/plugins/dhcp/dhcp6_pd_client_dp.c
index 74a1f16000c..7896e9a6403 100644
--- a/src/plugins/dhcp/dhcp6_pd_client_dp.c
+++ b/src/plugins/dhcp/dhcp6_pd_client_dp.c
@@ -85,8 +85,6 @@ create_buffer_for_client_message (vlib_main_t * vm,
* client_state, u32 type)
{
dhcp6_client_common_main_t *ccm = &dhcp6_client_common_main;
- vnet_main_t *vnm = vnet_get_main ();
-
vlib_buffer_t *b;
u32 bi;
ip6_header_t *ip;
@@ -98,17 +96,10 @@ create_buffer_for_client_message (vlib_main_t * vm,
u32 n_prefixes;
u32 i;
- vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
- vnet_sw_interface_t *sup_sw = vnet_get_sup_sw_interface (vnm, sw_if_index);
- vnet_sw_interface_t *sw = vnet_get_sw_interface (vnm, sw_if_index);
-
- /* Interface(s) down? */
- if ((hw->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) == 0)
- return NULL;
- if ((sup_sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
- return NULL;
- if ((sw->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
- return NULL;
+ /*
+ * Note: do NOT psychoanalyze link-state here.
+ * If the interface is down, let the driver turf the packet.
+ */
/* Get a link-local address */
src_addr = ip6_neighbor_get_link_local_address (sw_if_index);
@@ -298,10 +289,10 @@ check_pd_send_client_message (vlib_main_t * vm,
else
{
client_state->sleep_interval =
- (2 + random_f64_from_to (-0.1, 0.1)) * client_state->sleep_interval;
+ (2.0 + random_f64_from_to (-0.1, 0.1)) * client_state->sleep_interval;
if (client_state->sleep_interval > params->mrt)
client_state->sleep_interval =
- (1 + random_f64_from_to (-0.1, 0.1)) * params->mrt;
+ (1.0 + random_f64_from_to (-0.1, 0.1)) * params->mrt;
client_state->due_time = current_time + client_state->sleep_interval;
@@ -404,12 +395,9 @@ dhcp6_pd_send_client_message (vlib_main_t * vm, u32 sw_if_index, u8 stop,
client_state->buffer =
create_buffer_for_client_message (vm, sw_if_index, client_state,
params->msg_type);
- if (!client_state->buffer)
- client_state->keep_sending_client_message = 0;
- else
- vlib_process_signal_event (vm,
- send_dhcp6_pd_client_message_process_node.index,
- 1, 0);
+ if (client_state->buffer)
+ vlib_process_signal_event
+ (vm, send_dhcp6_pd_client_message_process_node.index, 1, 0);
}
}