#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
{
{
prefix_info_t *prefix_pool;
const u8 **prefix_group_name_by_index;
+ /* vector of active prefix pool indicies, prep-H for pool_foreach(..) */
+ u32 *indices;
} ip6_prefix_main_t;
static ip6_prefix_main_t ip6_prefix_main;
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)
{
f64 current_time;
clib_error_t *error = 0;
u32 i;
+ prefix_info_t *prefix_info;
current_time = vlib_time_now (vm);
send_client_message_start_stop (sw_if_index, server_index,
mp->msg_type, 0, 0);
+ vec_reset_length (pm->indices);
+ /*
+ * We're going to loop through the pool multiple times,
+ * so collect active indices.
+ */
+ /* *INDENT-OFF* */
+ pool_foreach (prefix_info, pm->prefix_pool,
+ ({
+ vec_add1 (pm->indices, prefix_info - pm->prefix_pool);
+ }));
+ /* *INDENT-ON* */
+
for (i = 0; i < n_prefixes; i++)
{
- prefix_info_t *prefix_info = 0;
u8 prefix_length;
u32 valid_time;
u32 preferred_time;
+ int j;
+ prefix_info = 0;
api_prefix = &mp->prefixes[i];
prefix = (ip6_address_t *) api_prefix->prefix.address;
continue;
u8 address_prefix_present = 0;
- /* *INDENT-OFF* */
- pool_foreach (prefix_info, pm->prefix_pool,
- ({
- if (is_dhcpv6_pd_prefix (prefix_info) &&
- prefix_info->opaque_data == sw_if_index &&
- prefix_info->prefix_length == prefix_length &&
- ip6_prefixes_equal (&prefix_info->prefix, prefix, prefix_length))
- {
- address_prefix_present = 1;
- goto prefix_pool_foreach_out;
- }
- }));
- /* *INDENT-ON* */
- prefix_pool_foreach_out:
+
+ /* Look for a matching prefix_info */
+ for (j = 0; j < vec_len (pm->indices); j++)
+ {
+ prefix_info = pool_elt_at_index (pm->prefix_pool, pm->indices[j]);
+
+ if (is_dhcpv6_pd_prefix (prefix_info) &&
+ prefix_info->opaque_data == sw_if_index &&
+ prefix_info->prefix_length == prefix_length &&
+ ip6_prefixes_equal (&prefix_info->prefix, prefix,
+ prefix_length))
+ {
+ address_prefix_present = 1;
+ break;
+ }
+ }
if (address_prefix_present)
{
+ /* Found the (primary) prefix, update prefix timers */
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;
+
+ /*
+ * Tell the RA code to update any secondary per-interface
+ * timers that it might be hoarding.
+ */
+ ip6_ra_update_secondary_radv_info
+ (prefix, prefix_length,
+ prefix_info->opaque_data /* sw_if_index */ ,
+ valid_time, preferred_time);
continue;
}
continue;
pool_get (pm->prefix_pool, prefix_info);
+ vec_add1 (pm->indices, prefix_info - pm->prefix_pool);
prefix_info->prefix_group_index = client_state->prefix_group_index;
set_is_dhcpv6_pd_prefix (prefix_info, 1);
prefix_info->opaque_data = sw_if_index;
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