#include <dhcp/dhcp6_pd_client_dp.h>
#include <vnet/ip/ip.h>
#include <vnet/ip/ip6.h>
+#include <vnet/ip/ip6_link.h>
+#include <vnet/ip6-nd/ip6_ra.h>
#include <float.h>
#include <math.h>
#include <string.h>
+#include <vnet/ip/ip_types_api.h>
typedef struct
{
static void interrupt_process (void);
-static u32
-ip6_enable (u32 sw_if_index)
-{
- dhcp6_pd_client_cp_main_t *rm = &dhcp6_pd_client_cp_main;
- clib_error_t *rv;
-
- rv = enable_ip6_interface (rm->vlib_main, sw_if_index);
-
- return rv != 0;
-}
-
static u8
ip6_prefixes_equal (ip6_address_t * prefix1, ip6_address_t * prefix2, u8 len)
{
if (address_prefix_present)
{
- prefix_info->preferred_lt = preferred_time;
- prefix_info->valid_lt = valid_time;
- prefix_info->due_time = current_time + valid_time;
- if (prefix_info->due_time > rm->max_valid_due_time)
- rm->max_valid_due_time = prefix_info->due_time;
+ /*
+ * We found the prefix. Move along.
+ * Don't touch the prefix timers!
+ * If we happen to receive a renew reply just before we
+ * would have sent a solicit to renew the prefix delegation,
+ * we forget to renew the delegation. Worse luck, we start
+ * sending router advertisements with a valid time of zero,
+ * and the wheels fall off...
+ */
continue;
}
clib_warning ("Failed adding IPv6 address: %U",
format_clib_error, error);
else
- address_info->configured_in_data_plane = 1;
+ {
+ if (CLIB_DEBUG > 0)
+ clib_warning ("Add address %U on %U",
+ format_ip6_address_and_length,
+ &addr, address_info->prefix_length,
+ format_vnet_sw_if_index_name,
+ vnet_get_main (), address_info->sw_if_index);
+
+ address_info->configured_in_data_plane = 1;
+ }
}
else
{
clib_warning ("Failed adding IPv6 address: %U",
format_clib_error, error);
else
- address_info->configured_in_data_plane = 1;
+ {
+ if (CLIB_DEBUG > 0)
+ clib_warning ("Add address %U on %U",
+ format_ip6_address_and_length,
+ &addr, address_info->prefix_length,
+ format_vnet_sw_if_index_name,
+ vnet_get_main (),
+ address_info->sw_if_index);
+
+ address_info->configured_in_data_plane = 1;
+ }
}
}
}
return ~0;
}
+static void
+cp_ip6_advertise_prefix (prefix_info_t * prefix_info,
+ ip6_address_info_t * address_info, int enable)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ ip6_main_t *im = &ip6_main;
+ u32 prefix_index;
+ ip6_address_t addr;
+ int rv;
+
+ prefix_index =
+ active_prefix_index_by_prefix_group_index_get
+ (address_info->prefix_group_index);
+
+ if (cp_ip6_construct_address (address_info, prefix_index, &addr) != 0)
+ {
+ clib_warning ("address construction FAIL");
+ return;
+ }
+
+ /* The RA code assumes that host bits are zero, so clear them */
+ addr.as_u64[0] &= im->fib_masks[address_info->prefix_length].as_u64[0];
+ addr.as_u64[1] &= im->fib_masks[address_info->prefix_length].as_u64[1];
+
+ rv = ip6_ra_prefix (vm, address_info->sw_if_index,
+ &addr, address_info->prefix_length,
+ 0 /* use_default */ ,
+ prefix_info->valid_lt,
+ prefix_info->preferred_lt, 0 /* no_advertise */ ,
+ 0 /* off_link */ ,
+ 0 /* no_autoconfig */ ,
+ 0 /* no_onlink */ ,
+ enable == 0 /* is_no */ );
+ if (rv != 0)
+ {
+ clib_warning ("ip6_neighbor_ra_prefix returned %d", rv);
+ return;
+ }
+
+ if (CLIB_DEBUG > 0)
+ clib_warning ("Advertise prefix %U valid lt %u preferred lt %u",
+ format_ip6_address_and_length, &addr,
+ address_info->prefix_length, prefix_info->valid_lt,
+ prefix_info->preferred_lt);
+}
+
+
static void
cp_ip6_address_prefix_add_del_handler (u32 prefix_index, u8 is_add)
{
{
address_info = &apm->addresses[i];
if (address_info->prefix_group_index == prefix_group_index)
- cp_ip6_address_add_del_now (address_info, 1 /* add */ );
+ {
+ /* Add the prefix to the interface */
+ cp_ip6_address_add_del_now (address_info, 1 /* add */ );
+ /* And advertise the prefix on the interface */
+ cp_ip6_advertise_prefix (prefix, address_info,
+ 1 /* enable */ );
+ }
}
}
}
{
address_info = &apm->addresses[i];
if (address_info->prefix_group_index == prefix_group_index)
- cp_ip6_address_add_del_now (address_info, 0 /* del */ );
+ {
+ cp_ip6_advertise_prefix (prefix, address_info,
+ 0 /* enable */ );
+ cp_ip6_address_add_del_now (address_info, 0 /* del */ );
+ }
}
active_prefix_index_by_prefix_group_index_set
(prefix_group_index, ~0);
{
address_info = &apm->addresses[i];
if (address_info->prefix_group_index == prefix_group_index)
- cp_ip6_address_add_del_now (address_info, 1 /* add */ );
+ {
+ cp_ip6_address_add_del_now (address_info, 1 /* add */ );
+ cp_ip6_advertise_prefix (prefix, address_info,
+ 1 /* enable */ );
+ }
}
}
}
dhcp6_clients_enable_disable (1);
}
- ip6_enable (sw_if_index);
+ ip6_link_enable (sw_if_index);
send_client_message_start_stop (sw_if_index, ~0, DHCPV6_MSG_SOLICIT,
0, 1);
}
};
/* *INDENT-ON* */
+#include <vlib/unix/plugin.h>
+
static clib_error_t *
dhcp_pd_client_cp_init (vlib_main_t * vm)
{
rm->vlib_main = vm;
rm->vnet_main = vnet_get_main ();
- rm->api_main = &api_main;
+ rm->api_main = vlibapi_get_main ();
rm->node_index = dhcp6_pd_client_cp_process_node.index;
return (NULL);
Code Review / vpp.git / blobdiff