}
static void
-bfd_recalc_tx_interval (bfd_main_t * bm, bfd_session_t * bs)
+bfd_recalc_tx_interval (bfd_session_t *bs)
{
bs->transmit_interval_nsec =
clib_max (bs->effective_desired_min_tx_nsec, bs->remote_min_rx_nsec);
}
static void
-bfd_recalc_echo_tx_interval (bfd_main_t * bm, bfd_session_t * bs)
+bfd_recalc_echo_tx_interval (bfd_session_t *bs)
{
bs->echo_transmit_interval_nsec =
clib_max (bs->effective_desired_min_tx_nsec, bs->remote_min_echo_rx_nsec);
}
static void
-bfd_calc_next_echo_tx (bfd_main_t * bm, bfd_session_t * bs, u64 now)
+bfd_calc_next_echo_tx (bfd_session_t *bs, u64 now)
{
bs->echo_tx_timeout_nsec =
bs->echo_last_tx_nsec + bs->echo_transmit_interval_nsec;
}
static void
-bfd_recalc_detection_time (bfd_main_t * bm, bfd_session_t * bs)
+bfd_recalc_detection_time (bfd_session_t *bs)
{
if (bs->local_state == BFD_STATE_init || bs->local_state == BFD_STATE_up)
{
bs->effective_desired_min_tx_nsec = desired_min_tx_nsec;
BFD_DBG ("Set effective desired min tx to " BFD_CLK_FMT,
BFD_CLK_PRN (bs->effective_desired_min_tx_nsec));
- bfd_recalc_detection_time (bm, bs);
- bfd_recalc_tx_interval (bm, bs);
- bfd_recalc_echo_tx_interval (bm, bs);
+ bfd_recalc_detection_time (bs);
+ bfd_recalc_tx_interval (bs);
+ bfd_recalc_echo_tx_interval (bs);
bfd_calc_next_tx (bm, bs, now);
}
static void
-bfd_set_effective_required_min_rx (bfd_main_t * bm,
- bfd_session_t * bs,
- u64 required_min_rx_nsec)
+bfd_set_effective_required_min_rx (bfd_session_t *bs, u64 required_min_rx_nsec)
{
bs->effective_required_min_rx_nsec = required_min_rx_nsec;
BFD_DBG ("Set effective required min rx to " BFD_CLK_FMT,
BFD_CLK_PRN (bs->effective_required_min_rx_nsec));
- bfd_recalc_detection_time (bm, bs);
+ bfd_recalc_detection_time (bs);
}
static void
-bfd_set_remote_required_min_rx (bfd_main_t * bm, bfd_session_t * bs,
- u64 now, u32 remote_required_min_rx_usec)
+bfd_set_remote_required_min_rx (bfd_session_t *bs,
+ u32 remote_required_min_rx_usec)
{
if (bs->remote_min_rx_usec != remote_required_min_rx_usec)
{
bs->remote_min_rx_nsec = bfd_usec_to_nsec (remote_required_min_rx_usec);
BFD_DBG ("Set remote min rx to " BFD_CLK_FMT,
BFD_CLK_PRN (bs->remote_min_rx_nsec));
- bfd_recalc_detection_time (bm, bs);
- bfd_recalc_tx_interval (bm, bs);
+ bfd_recalc_detection_time (bs);
+ bfd_recalc_tx_interval (bs);
}
}
static void
-bfd_set_remote_required_min_echo_rx (bfd_main_t * bm, bfd_session_t * bs,
- u64 now,
+bfd_set_remote_required_min_echo_rx (bfd_session_t *bs,
u32 remote_required_min_echo_rx_usec)
{
if (bs->remote_min_echo_rx_usec != remote_required_min_echo_rx_usec)
bfd_usec_to_nsec (bs->remote_min_echo_rx_usec);
BFD_DBG ("Set remote min echo rx to " BFD_CLK_FMT,
BFD_CLK_PRN (bs->remote_min_echo_rx_nsec));
- bfd_recalc_echo_tx_interval (bm, bs);
+ bfd_recalc_echo_tx_interval (bs);
}
}
BFD_DBG ("\nStarting session: %U", format_bfd_session, bs);
vlib_log_info (bm->log_class, "start BFD session: %U",
format_bfd_session_brief, bs);
- bfd_set_effective_required_min_rx (bm, bs, bs->config_required_min_rx_nsec);
- bfd_recalc_tx_interval (bm, bs);
+ bfd_set_effective_required_min_rx (bs, bs->config_required_min_rx_nsec);
+ bfd_recalc_tx_interval (bs);
vlib_process_signal_event (bm->vlib_main, bm->bfd_process_node_index,
BFD_EVENT_NEW_SESSION, bs->bs_idx);
bfd_notify_listeners (bm, BFD_LISTEN_EVENT_CREATE, bs);
clib_max
(bs->config_desired_min_tx_nsec,
bm->default_desired_min_tx_nsec));
- bfd_set_effective_required_min_rx (bm, bs,
- bs->config_required_min_rx_nsec);
+ bfd_set_effective_required_min_rx (bs, bs->config_required_min_rx_nsec);
bfd_set_timer (bm, bs, now, handling_wakeup);
break;
case BFD_STATE_down:
clib_max
(bs->config_desired_min_tx_nsec,
bm->default_desired_min_tx_nsec));
- bfd_set_effective_required_min_rx (bm, bs,
- bs->config_required_min_rx_nsec);
+ bfd_set_effective_required_min_rx (bs, bs->config_required_min_rx_nsec);
bfd_set_timer (bm, bs, now, handling_wakeup);
break;
case BFD_STATE_init:
bs->config_desired_min_tx_nsec);
if (BFD_POLL_NOT_NEEDED == bs->poll_state)
{
- bfd_set_effective_required_min_rx (bm, bs,
+ bfd_set_effective_required_min_rx (bs,
bs->config_required_min_rx_nsec);
}
bfd_set_timer (bm, bs, now, handling_wakeup);
}
static void
-bfd_on_config_change (vlib_main_t * vm, vlib_node_runtime_t * rt,
- bfd_main_t * bm, bfd_session_t * bs, u64 now)
+bfd_on_config_change (bfd_main_t *bm, bfd_session_t *bs, u64 now)
{
/*
* if remote demand mode is set and we need to do a poll, set the next
{
bs->tx_timeout_nsec = now;
}
- bfd_recalc_detection_time (bm, bs);
+ bfd_recalc_detection_time (bs);
bfd_set_timer (bm, bs, now, 0);
}
}
static void
-bfd_init_control_frame (bfd_main_t * bm, bfd_session_t * bs,
- vlib_buffer_t * b)
+bfd_init_control_frame (bfd_session_t *bs, vlib_buffer_t *b)
{
bfd_pkt_t *pkt = vlib_buffer_get_current (b);
u32 bfd_length = 0;
}
static void
-bfd_send_echo (vlib_main_t * vm, vlib_node_runtime_t * rt,
- bfd_main_t * bm, bfd_session_t * bs, u64 now)
+bfd_send_echo (vlib_main_t *vm, bfd_main_t *bm, bfd_session_t *bs, u64 now)
{
if (!bfd_is_echo_possible (bs))
{
return;
}
bs->echo_last_tx_nsec = now;
- bfd_calc_next_echo_tx (bm, bs, now);
+ bfd_calc_next_echo_tx (bs, now);
}
else
{
}
static void
-bfd_send_periodic (vlib_main_t * vm, vlib_node_runtime_t * rt,
- bfd_main_t * bm, bfd_session_t * bs, u64 now)
+bfd_send_periodic (vlib_main_t *vm, bfd_main_t *bm, bfd_session_t *bs, u64 now)
{
if (!bs->remote_min_rx_usec && BFD_POLL_NOT_NEEDED == bs->poll_state)
{
}
vlib_buffer_t *b = vlib_get_buffer (vm, bi);
ASSERT (b->current_data == 0);
- bfd_init_control_frame (bm, bs, b);
+ bfd_init_control_frame (bs, b);
switch (bs->poll_state)
{
case BFD_POLL_NEEDED:
}
void
-bfd_init_final_control_frame (vlib_main_t * vm, vlib_buffer_t * b,
- bfd_main_t * bm, bfd_session_t * bs,
- int is_local)
+bfd_init_final_control_frame (vlib_main_t *vm, vlib_buffer_t *b,
+ bfd_session_t *bs)
{
BFD_DBG ("Send final control frame for bs_idx=%lu", bs->bs_idx);
- bfd_init_control_frame (bm, bs, b);
+ bfd_init_control_frame (bs, b);
bfd_pkt_set_final (vlib_buffer_get_current (b));
bfd_add_auth_section (vm, b, bs);
u32 bi = vlib_get_buffer_index (vm, b);
* since it is no longer required to maintain previous session state)
* and then can transmit at its own rate.
*/
- bfd_set_remote_required_min_rx (bm, bs, now, 1);
+ bfd_set_remote_required_min_rx (bs, 1);
}
else if (bs->echo
&& bs->echo_last_rx_nsec +
}
void
-bfd_on_timeout (vlib_main_t * vm, vlib_node_runtime_t * rt, bfd_main_t * bm,
- bfd_session_t * bs, u64 now)
+bfd_on_timeout (vlib_main_t *vm, bfd_main_t *bm, bfd_session_t *bs, u64 now)
{
BFD_DBG ("Timeout for bs_idx=%lu", bs->bs_idx);
switch (bs->local_state)
{
case BFD_STATE_admin_down:
- bfd_send_periodic (vm, rt, bm, bs, now);
- break;
+ /* fallthrough */
case BFD_STATE_down:
- bfd_send_periodic (vm, rt, bm, bs, now);
+ bfd_send_periodic (vm, bm, bs, now);
break;
case BFD_STATE_init:
bfd_check_rx_timeout (vm, bm, bs, now, 1);
- bfd_send_periodic (vm, rt, bm, bs, now);
+ bfd_send_periodic (vm, bm, bs, now);
break;
case BFD_STATE_up:
bfd_check_rx_timeout (vm, bm, bs, now, 1);
bs->echo = 1;
bs->echo_last_rx_nsec = now;
bs->echo_tx_timeout_nsec = now;
- bfd_set_effective_required_min_rx (bm, bs,
- clib_max
- (bm->min_required_min_rx_while_echo_nsec,
- bs->config_required_min_rx_nsec));
+ bfd_set_effective_required_min_rx (
+ bs, clib_max (bm->min_required_min_rx_while_echo_nsec,
+ bs->config_required_min_rx_nsec));
bfd_set_poll_state (bs, BFD_POLL_NEEDED);
}
- bfd_send_periodic (vm, rt, bm, bs, now);
+ bfd_send_periodic (vm, bm, bs, now);
if (bs->echo)
{
- bfd_send_echo (vm, rt, bm, bs, now);
+ bfd_send_echo (vm, bm, bs, now);
}
break;
}
* bfd process node function
*/
static uword
-bfd_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
+bfd_process (vlib_main_t *vm, CLIB_UNUSED (vlib_node_runtime_t *rt),
+ CLIB_UNUSED (vlib_frame_t *f))
{
bfd_main_t *bm = &bfd_main;
u32 *expired = 0;
now + first_expires_in_ticks * bm->nsec_per_tw_tick;
bm->bfd_process_next_wakeup_nsec = next_expire_nsec;
bfd_unlock (bm);
- timeout = (next_expire_nsec - now) * SEC_PER_NSEC;
+ ASSERT (next_expire_nsec - now <= UINT32_MAX);
+ // cast to u32 to avoid warning
+ timeout = (u32) (next_expire_nsec - now) * SEC_PER_NSEC;
}
BFD_DBG ("vlib_process_wait_for_event_or_clock(vm, %.09f)",
timeout);
{
bfd_session_t *bs =
pool_elt_at_index (bm->sessions, *session_index);
- bfd_send_periodic (vm, rt, bm, bs, now);
+ bfd_send_periodic (vm, bm, bs, now);
bfd_set_timer (bm, bs, now, 1);
}
else
{
bfd_session_t *bs =
pool_elt_at_index (bm->sessions, *session_index);
- bfd_on_config_change (vm, rt, bm, bs, now);
+ bfd_on_config_change (bm, bs, now);
}
else
{
{
bfd_session_t *bs = pool_elt_at_index (bm->sessions, bs_idx);
bs->tw_id = 0; /* timer is gone because it expired */
- bfd_on_timeout (vm, rt, bm, bs, now);
+ bfd_on_timeout (vm, bm, bs, now);
bfd_set_timer (bm, bs, now, 1);
}
}
/*
* bfd process node declaration
*/
-/* *INDENT-OFF* */
VLIB_REGISTER_NODE (bfd_process_node, static) = {
.function = bfd_process,
.type = VLIB_NODE_TYPE_PROCESS,
.n_next_nodes = 0,
.next_nodes = {},
};
-/* *INDENT-ON* */
static clib_error_t *
-bfd_sw_interface_up_down (vnet_main_t * vnm, u32 sw_if_index, u32 flags)
+bfd_sw_interface_up_down (CLIB_UNUSED (vnet_main_t *vnm),
+ CLIB_UNUSED (u32 sw_if_index), u32 flags)
{
// bfd_main_t *bm = &bfd_main;
// vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (bfd_sw_interface_up_down);
static clib_error_t *
-bfd_hw_interface_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
+bfd_hw_interface_up_down (CLIB_UNUSED (vnet_main_t *vnm),
+ CLIB_UNUSED (u32 hw_if_index), u32 flags)
{
// bfd_main_t *bm = &bfd_main;
if (flags & VNET_HW_INTERFACE_FLAG_LINK_UP)
static int
bfd_verify_pkt_auth_key_sha1 (vlib_main_t *vm, const bfd_pkt_t *pkt,
- u32 pkt_size, bfd_session_t *bs, u8 bfd_key_id,
- bfd_auth_key_t *auth_key)
+ u32 pkt_size, CLIB_UNUSED (bfd_session_t *bs),
+ u8 bfd_key_id, bfd_auth_key_t *auth_key)
{
ASSERT (auth_key->auth_type == BFD_AUTH_TYPE_keyed_sha1 ||
auth_key->auth_type == BFD_AUTH_TYPE_meticulous_keyed_sha1);
bfd_auth_type_str (auth_key->auth_type));
return 0;
case BFD_AUTH_TYPE_simple_password:
- vlib_log_err (bm->log_class,
- "internal error, not implemented, unexpected auth_type=%d:%s",
- auth_key->auth_type,
- bfd_auth_type_str (auth_key->auth_type));
- return 0;
+ /* fallthrough */
case BFD_AUTH_TYPE_keyed_md5:
/* fallthrough */
case BFD_AUTH_TYPE_meticulous_keyed_md5:
- vlib_log_err
- (bm->log_class,
- "internal error, not implemented, unexpected auth_type=%d:%s",
- auth_key->auth_type, bfd_auth_type_str (auth_key->auth_type));
+ vlib_log_err (
+ bm->log_class,
+ "internal error, not implemented, unexpected auth_type=%d:%s",
+ auth_key->auth_type, bfd_auth_type_str (auth_key->auth_type));
return 0;
case BFD_AUTH_TYPE_keyed_sha1:
/* fallthrough */
bs->remote_desired_min_tx_nsec =
bfd_usec_to_nsec (clib_net_to_host_u32 (pkt->des_min_tx));
bs->remote_detect_mult = pkt->head.detect_mult;
- bfd_set_remote_required_min_rx (bm, bs, now,
- clib_net_to_host_u32 (pkt->req_min_rx));
- bfd_set_remote_required_min_echo_rx (bm, bs, now,
- clib_net_to_host_u32
- (pkt->req_min_echo_rx));
+ bfd_set_remote_required_min_rx (bs, clib_net_to_host_u32 (pkt->req_min_rx));
+ bfd_set_remote_required_min_echo_rx (
+ bs, clib_net_to_host_u32 (pkt->req_min_echo_rx));
if (bfd_pkt_get_final (pkt))
{
if (BFD_POLL_IN_PROGRESS == bs->poll_state)
{
bfd_set_effective_desired_min_tx (
bm, bs, now, bs->config_desired_min_tx_nsec);
- bfd_set_effective_required_min_rx (bm, bs,
- clib_max (bs->echo *
- bm->min_required_min_rx_while_echo_nsec,
- bs->config_required_min_rx_nsec));
+ bfd_set_effective_required_min_rx (
+ bs,
+ clib_max (bs->echo * bm->min_required_min_rx_while_echo_nsec,
+ bs->config_required_min_rx_nsec));
}
}
else if (BFD_POLL_IN_PROGRESS_AND_QUEUED == bs->poll_state)
static vnet_api_error_t
bfd_api_verify_common (u32 sw_if_index, u32 desired_min_tx_usec,
- u32 required_min_rx_usec, u8 detect_mult,
- const ip46_address_t * local_addr,
- const ip46_address_t * peer_addr)
+ u8 detect_mult, const ip46_address_t *local_addr,
+ const ip46_address_t *peer_addr)
{
bfd_udp_main_t *bum = &bfd_udp_main;
vnet_api_error_t rv =
bfd_main_t *bm = &bfd_main;
bfd_lock (bm);
- vnet_api_error_t rv =
- bfd_api_verify_common (sw_if_index, desired_min_tx_usec,
- required_min_rx_usec, detect_mult,
- local_addr, peer_addr);
+ vnet_api_error_t rv = bfd_api_verify_common (
+ sw_if_index, desired_min_tx_usec, detect_mult, local_addr, peer_addr);
if (!rv)
rv = bfd_udp_add_and_start_session (
bfd_lock (bm);
vnet_api_error_t rv = bfd_api_verify_common (
- sw_if_index, desired_min_tx_usec, required_min_rx_usec, detect_mult,
- local_addr, peer_addr);
+ sw_if_index, desired_min_tx_usec, detect_mult, local_addr, peer_addr);
if (!rv)
{
bfd_session_t *bs = NULL;
{
/* sanity check first */
const i32 start = vnet_buffer (b)->l3_hdr_offset;
- if (start < 0 && start < sizeof (b->pre_data))
+ if (start < -(signed) sizeof (b->pre_data))
{
BFD_ERR ("Start of ip header is before pre_data, ignoring");
*ip4 = NULL;
}
static bfd_udp_error_t
-bfd_udp4_scan (vlib_main_t * vm, vlib_node_runtime_t * rt,
- vlib_buffer_t * b, bfd_session_t ** bs_out)
+bfd_udp4_scan (vlib_main_t *vm, vlib_buffer_t *b, bfd_session_t **bs_out)
{
const bfd_pkt_t *pkt = vlib_buffer_get_current (b);
if (sizeof (*pkt) > b->current_length)
{
/* sanity check first */
const i32 start = vnet_buffer (b)->l3_hdr_offset;
- if (start < 0 && start < sizeof (b->pre_data))
+ if (start < -(signed) sizeof (b->pre_data))
{
BFD_ERR ("Start of ip header is before pre_data, ignoring");
*ip6 = NULL;
}
static bfd_udp_error_t
-bfd_udp6_scan (vlib_main_t * vm, vlib_node_runtime_t * rt,
- vlib_buffer_t * b, bfd_session_t ** bs_out)
+bfd_udp6_scan (vlib_main_t *vm, vlib_buffer_t *b, bfd_session_t **bs_out)
{
const bfd_pkt_t *pkt = vlib_buffer_get_current (b);
if (sizeof (*pkt) > b->current_length)
/* If this pkt is traced, snapshot the data */
if (b0->flags & VLIB_BUFFER_IS_TRACED)
{
- int len;
+ u64 len;
t0 = vlib_add_trace (vm, rt, b0, sizeof (*t0));
len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
: sizeof (t0->data);
bfd_lock (bm);
if (is_ipv6)
{
- error0 = bfd_udp6_scan (vm, rt, b0, &bs);
+ error0 = bfd_udp6_scan (vm, b0, &bs);
}
else
{
- error0 = bfd_udp4_scan (vm, rt, b0, &bs);
+ error0 = bfd_udp4_scan (vm, b0, &bs);
}
b0->error = rt->errors[error0];
{
b0->current_data = 0;
b0->current_length = 0;
- bfd_init_final_control_frame (vm, b0, bfd_udp_main.bfd_main, bs,
- 0);
+ bfd_init_final_control_frame (vm, b0, bs);
if (is_ipv6)
{
vlib_node_increment_counter (vm, bfd_udp6_input_node.index,
/* If this pkt is traced, snapshot the data */
if (b0->flags & VLIB_BUFFER_IS_TRACED)
{
- int len;
+ u64 len;
t0 = vlib_add_trace (vm, rt, b0, sizeof (*t0));
len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
: sizeof (t0->data);
/* *INDENT-ON* */
static clib_error_t *
-bfd_udp_sw_if_add_del (vnet_main_t * vnm, u32 sw_if_index, u32 is_create)
+bfd_udp_sw_if_add_del (CLIB_UNUSED (vnet_main_t *vnm), u32 sw_if_index,
+ u32 is_create)
{
- bfd_session_t **to_be_freed = NULL;
+ u32 *to_be_freed = NULL;
bfd_udp_main_t *bum = &bfd_udp_main;
BFD_DBG ("sw_if_add_del called, sw_if_index=%u, is_create=%u", sw_if_index,
is_create);
if (!is_create)
{
bfd_session_t *bs;
- pool_foreach (bs, bfd_udp_main.bfd_main->sessions)
- {
- if (bs->transport != BFD_TRANSPORT_UDP4 &&
- bs->transport != BFD_TRANSPORT_UDP6)
- {
- continue;
- }
- if (bs->udp.key.sw_if_index != sw_if_index)
- {
- continue;
- }
- vec_add1 (to_be_freed, bs);
- }
- }
- bfd_session_t **bs;
- vec_foreach (bs, to_be_freed)
- {
- vlib_log_notice (bum->log_class,
- "removal of sw_if_index=%u forces removal of bfd session "
- "with bs_idx=%u", sw_if_index, (*bs)->bs_idx);
- bfd_session_set_flags (vlib_get_main (), *bs, 0);
- bfd_udp_del_session_internal (vlib_get_main (), *bs);
- }
+ pool_foreach (bs, bum->bfd_main->sessions)
+ {
+ if (bs->transport != BFD_TRANSPORT_UDP4 &&
+ bs->transport != BFD_TRANSPORT_UDP6)
+ {
+ continue;
+ }
+ if (bs->udp.key.sw_if_index != sw_if_index)
+ {
+ continue;
+ }
+ vec_add1 (to_be_freed, bs->bs_idx);
+ }
+ }
+ u32 *bs_idx;
+ vec_foreach (bs_idx, to_be_freed)
+ {
+ bfd_session_t *bs = pool_elt_at_index (bum->bfd_main->sessions, *bs_idx);
+ vlib_log_notice (bum->log_class,
+ "removal of sw_if_index=%u forces removal of bfd "
+ "session with bs_idx=%u",
+ sw_if_index, bs->bs_idx);
+ bfd_session_set_flags (vlib_get_main (), bs, 0);
+ bfd_udp_del_session_internal (vlib_get_main (), bs);
+ }
return 0;
}
Code Review / vpp.git / commitdiff