#include <vnet/adj/adj_midchain.h>
#include <vnet/fib/fib_table.h>
-#include <vnet/fib/fib_entry_track.h>
#include <wireguard/wireguard_peer.h>
#include <wireguard/wireguard_if.h>
#include <wireguard/wireguard_messages.h>
wg_peer_endpoint_reset (&peer->src);
wg_peer_endpoint_reset (&peer->dst);
- wg_peer_adj_t *peer_adj;
- vec_foreach (peer_adj, peer->adjs)
+ adj_index_t *adj_index;
+ vec_foreach (adj_index, peer->adj_indices)
{
- wg_peer_by_adj_index[peer_adj->adj_index] = INDEX_INVALID;
- if (FIB_NODE_INDEX_INVALID != peer_adj->fib_entry_index)
- fib_entry_untrack (peer_adj->fib_entry_index, peer_adj->sibling_index);
- if (adj_is_valid (peer_adj->adj_index))
- adj_nbr_midchain_unstack (peer_adj->adj_index);
+ wg_peer_by_adj_index[*adj_index] = INDEX_INVALID;
+
+ if (adj_is_valid (*adj_index))
+ adj_midchain_delegate_unstack (*adj_index);
}
peer->input_thread_index = ~0;
peer->output_thread_index = ~0;
peer->new_handshake_interval_tick = 0;
peer->rehandshake_interval_tick = 0;
peer->timer_need_another_keepalive = false;
+ peer->handshake_is_sent = false;
vec_free (peer->rewrite);
vec_free (peer->allowed_ips);
- vec_free (peer->adjs);
+ vec_free (peer->adj_indices);
}
static void
}
static void
-wg_peer_adj_stack (wg_peer_t *peer, wg_peer_adj_t *peer_adj)
+wg_peer_adj_stack (wg_peer_t *peer, adj_index_t ai)
{
ip_adjacency_t *adj;
u32 sw_if_index;
wg_if_t *wgi;
fib_protocol_t fib_proto;
- if (!adj_is_valid (peer_adj->adj_index))
+ if (!adj_is_valid (ai))
return;
- adj = adj_get (peer_adj->adj_index);
+ adj = adj_get (ai);
sw_if_index = adj->rewrite_header.sw_if_index;
u8 is_ip4 = ip46_address_is_ip4 (&peer->src.addr);
fib_proto = is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
if (!vnet_sw_interface_is_admin_up (vnet_get_main (), wgi->sw_if_index) ||
!wg_peer_can_send (peer))
{
- adj_nbr_midchain_unstack (peer_adj->adj_index);
+ adj_midchain_delegate_unstack (ai);
}
else
{
u32 fib_index;
fib_index = fib_table_find (fib_proto, peer->table_id);
- peer_adj->fib_entry_index =
- fib_entry_track (fib_index, &dst, FIB_NODE_TYPE_ADJ,
- peer_adj->adj_index, &peer_adj->sibling_index);
- adj_nbr_midchain_stack_on_fib_entry (
- peer_adj->adj_index, peer_adj->fib_entry_index,
- fib_forw_chain_type_from_fib_proto (dst.fp_proto));
+ adj_midchain_delegate_stack (ai, fib_index, &dst);
}
}
+static void
+wg_peer_adj_reset_stacking (adj_index_t ai)
+{
+ adj_midchain_delegate_remove (ai);
+}
+
static void
wg_peer_66_fixup (vlib_main_t *vm, const ip_adjacency_t *adj, vlib_buffer_t *b,
const void *data)
return (NULL);
}
+static void
+wg_peer_disable (vlib_main_t *vm, wg_peer_t *peer)
+{
+ index_t peeri = peer - wg_peer_pool;
+
+ wg_timers_stop (peer);
+ wg_peer_update_flags (peeri, WG_PEER_ESTABLISHED, false);
+
+ for (int i = 0; i < WG_N_TIMERS; i++)
+ {
+ peer->timers[i] = ~0;
+ peer->timers_dispatched[i] = 0;
+ }
+ peer->timer_handshake_attempts = 0;
+
+ peer->last_sent_handshake = vlib_time_now (vm) - (REKEY_TIMEOUT + 1);
+ peer->last_sent_packet = 0;
+ peer->last_received_packet = 0;
+ peer->session_derived = 0;
+ peer->rehandshake_started = 0;
+
+ peer->new_handshake_interval_tick = 0;
+ peer->rehandshake_interval_tick = 0;
+
+ peer->timer_need_another_keepalive = false;
+
+ noise_remote_clear (vm, &peer->remote);
+}
+
+static void
+wg_peer_enable (vlib_main_t *vm, wg_peer_t *peer)
+{
+ index_t peeri = peer - wg_peer_pool;
+ wg_if_t *wg_if;
+ u8 public_key[NOISE_PUBLIC_KEY_LEN];
+
+ wg_if = wg_if_get (wg_if_find_by_sw_if_index (peer->wg_sw_if_index));
+ clib_memcpy (public_key, peer->remote.r_public, NOISE_PUBLIC_KEY_LEN);
+
+ noise_remote_init (vm, &peer->remote, peeri, public_key, wg_if->local_idx);
+
+ wg_timers_send_first_handshake (peer);
+}
+
walk_rc_t
wg_peer_if_admin_state_change (index_t peeri, void *data)
{
wg_peer_t *peer;
- wg_peer_adj_t *peer_adj;
+ adj_index_t *adj_index;
+ vlib_main_t *vm = vlib_get_main ();
+
peer = wg_peer_get (peeri);
- vec_foreach (peer_adj, peer->adjs)
+ vec_foreach (adj_index, peer->adj_indices)
+ {
+ wg_peer_adj_stack (peer, *adj_index);
+ }
+
+ if (vnet_sw_interface_is_admin_up (vnet_get_main (), peer->wg_sw_if_index))
+ {
+ wg_peer_enable (vm, peer);
+ }
+ else
{
- wg_peer_adj_stack (peer, peer_adj);
+ wg_peer_disable (vm, peer);
}
+
return (WALK_CONTINUE);
}
ip_adjacency_t *adj;
wg_peer_t *peer;
fib_prefix_t *allowed_ip;
- wg_peer_adj_t *peer_adj;
adj = adj_get (*adj_index);
if (fib_prefix_is_cover_addr_46 (allowed_ip,
&adj->sub_type.nbr.next_hop))
{
- vec_add2 (peer->adjs, peer_adj, 1);
- peer_adj->adj_index = *adj_index;
- peer_adj->fib_entry_index = FIB_NODE_INDEX_INVALID;
- peer_adj->sibling_index = ~0;
+ vec_add1 (peer->adj_indices, *adj_index);
vec_validate_init_empty (wg_peer_by_adj_index, *adj_index,
INDEX_INVALID);
ADJ_FLAG_MIDCHAIN_IP_STACK,
vec_dup (peer->rewrite));
- wg_peer_adj_stack (peer, peer_adj);
+ wg_peer_adj_stack (peer, *adj_index);
return (WALK_STOP);
}
}
peer->rewrite = wg_build_rewrite (&peer->src.addr, peer->src.port,
&peer->dst.addr, peer->dst.port, is_ip4);
- wg_peer_adj_t *peer_adj;
- vec_foreach (peer_adj, peer->adjs)
+ adj_index_t *adj_index;
+ vec_foreach (adj_index, peer->adj_indices)
{
- if (FIB_NODE_INDEX_INVALID != peer_adj->fib_entry_index)
- {
- fib_entry_untrack (peer_adj->fib_entry_index,
- peer_adj->sibling_index);
- peer_adj->fib_entry_index = FIB_NODE_INDEX_INVALID;
- peer_adj->sibling_index = ~0;
- }
-
- if (adj_is_valid (peer_adj->adj_index))
+ if (adj_is_valid (*adj_index))
{
adj_midchain_fixup_t fixup =
- wg_peer_get_fixup (peer, adj_get_link_type (peer_adj->adj_index));
- adj_nbr_midchain_update_rewrite (peer_adj->adj_index, fixup, NULL,
+ wg_peer_get_fixup (peer, adj_get_link_type (*adj_index));
+ adj_nbr_midchain_update_rewrite (*adj_index, fixup, NULL,
ADJ_FLAG_MIDCHAIN_IP_STACK,
vec_dup (peer->rewrite));
- wg_peer_adj_stack (peer, peer_adj);
+
+ wg_peer_adj_reset_stacking (*adj_index);
+ wg_peer_adj_stack (peer, *adj_index);
}
}
}
return (rv);
}
- noise_remote_init (&peer->remote, peer - wg_peer_pool, public_key,
+ noise_remote_init (vm, &peer->remote, peer - wg_peer_pool, public_key,
wg_if->local_idx);
cookie_maker_init (&peer->cookie_maker, public_key);
- wg_send_handshake (vm, peer, false);
- if (peer->persistent_keepalive_interval != 0)
+ if (vnet_sw_interface_is_admin_up (vnet_get_main (), tun_sw_if_index))
{
- wg_send_keepalive (vm, peer);
+ wg_timers_send_first_handshake (peer);
}
*peer_index = peer - wg_peer_pool;
{
index_t peeri = va_arg (*va, index_t);
fib_prefix_t *allowed_ip;
+ adj_index_t *adj_index;
u8 key[NOISE_KEY_LEN_BASE64];
wg_peer_t *peer;
- wg_peer_adj_t *peer_adj;
peer = wg_peer_get (peeri);
key_to_base64 (peer->remote.r_public, NOISE_PUBLIC_KEY_LEN, key);
peer->wg_sw_if_index, peer->persistent_keepalive_interval, peer->flags,
pool_elts (peer->api_clients));
s = format (s, "\n adj:");
- vec_foreach (peer_adj, peer->adjs)
+ vec_foreach (adj_index, peer->adj_indices)
{
- s = format (s, " %d", peer_adj->adj_index);
+ s = format (s, " %d", *adj_index);
}
s = format (s, "\n key:%=s %U", key, format_hex_bytes,
peer->remote.r_public, NOISE_PUBLIC_KEY_LEN);