BFD: reformat code to match vpp code style

Change-Id: I40deb8b40f5d3a96d2c0dcb400f489cd05a64348
Signed-off-by: Klement Sekera <ksekera@cisco.com>

1 files changed, 186 insertions, 158 deletions

diff --git a/src/vnet/bfd/bfd_udp.c b/src/vnet/bfd/bfd_udp.c
index fe348404472..1b3c20b852d 100644
--- a/src/vnet/bfd/bfd_udp.c
+++ b/src/vnet/bfd/bfd_udp.c
@@ -31,8 +31,9 @@ static vlib_node_registration_t bfd_udp6_input_node;
 
 bfd_udp_main_t bfd_udp_main;
 
-void bfd_add_udp4_transport (vlib_main_t *vm, vlib_buffer_t *b,
-                             bfd_udp_session_t *bus)
+void
+bfd_add_udp4_transport (vlib_main_t * vm, vlib_buffer_t * b,
+			bfd_udp_session_t * bus)
 {
   udp_header_t *udp;
   const bfd_udp_key_t *key = &bus->key;
@@ -44,7 +45,7 @@ void bfd_add_udp4_transport (vlib_main_t *vm, vlib_buffer_t *b,
   const size_t headers_size = sizeof (*ip4) + sizeof (*udp);
   vlib_buffer_advance (b, -headers_size);
   ip4 = vlib_buffer_get_current (b);
-  udp = (udp_header_t *)(ip4 + 1);
+  udp = (udp_header_t *) (ip4 + 1);
   memset (ip4, 0, headers_size);
   ip4->ip_version_and_header_length = 0x45;
   ip4->ttl = 255;
@@ -52,7 +53,7 @@ void bfd_add_udp4_transport (vlib_main_t *vm, vlib_buffer_t *b,
   ip4->src_address.as_u32 = key->local_addr.ip4.as_u32;
   ip4->dst_address.as_u32 = key->peer_addr.ip4.as_u32;
 
-  udp->src_port = clib_host_to_net_u16 (50000); /* FIXME */
+  udp->src_port = clib_host_to_net_u16 (50000);	/* FIXME */
   udp->dst_port = clib_host_to_net_u16 (UDP_DST_PORT_bfd4);
 
   /* fix ip length, checksum and udp length */
@@ -65,8 +66,9 @@ void bfd_add_udp4_transport (vlib_main_t *vm, vlib_buffer_t *b,
   udp->length = clib_host_to_net_u16 (udp_length);
 }
 
-void bfd_add_udp6_transport (vlib_main_t *vm, vlib_buffer_t *b,
-                             bfd_udp_session_t *bus)
+void
+bfd_add_udp6_transport (vlib_main_t * vm, vlib_buffer_t * b,
+			bfd_udp_session_t * bus)
 {
   udp_header_t *udp;
   const bfd_udp_key_t *key = &bus->key;
@@ -78,22 +80,23 @@ void bfd_add_udp6_transport (vlib_main_t *vm, vlib_buffer_t *b,
   const size_t headers_size = sizeof (*ip6) + sizeof (*udp);
   vlib_buffer_advance (b, -headers_size);
   ip6 = vlib_buffer_get_current (b);
-  udp = (udp_header_t *)(ip6 + 1);
+  udp = (udp_header_t *) (ip6 + 1);
   memset (ip6, 0, headers_size);
   ip6->ip_version_traffic_class_and_flow_label =
-      clib_host_to_net_u32 (0x6 << 28);
+    clib_host_to_net_u32 (0x6 << 28);
   ip6->hop_limit = 255;
   ip6->protocol = IP_PROTOCOL_UDP;
   clib_memcpy (&ip6->src_address, &key->local_addr.ip6,
-               sizeof (ip6->src_address));
+	       sizeof (ip6->src_address));
   clib_memcpy (&ip6->dst_address, &key->peer_addr.ip6,
-               sizeof (ip6->dst_address));
+	       sizeof (ip6->dst_address));
 
-  udp->src_port = clib_host_to_net_u16 (50000); /* FIXME */
+  udp->src_port = clib_host_to_net_u16 (50000);	/* FIXME */
   udp->dst_port = clib_host_to_net_u16 (UDP_DST_PORT_bfd6);
 
   /* fix ip payload length and udp length */
-  const u16 udp_length = vlib_buffer_length_in_chain (vm, b) - (sizeof (*ip6));
+  const u16 udp_length =
+    vlib_buffer_length_in_chain (vm, b) - (sizeof (*ip6));
   udp->length = clib_host_to_net_u16 (udp_length);
   ip6->payload_length = udp->length;
 
@@ -107,8 +110,8 @@ void bfd_add_udp6_transport (vlib_main_t *vm, vlib_buffer_t *b,
     }
 }
 
-static bfd_session_t *bfd_lookup_session (bfd_udp_main_t *bum,
-                                          const bfd_udp_key_t *key)
+static bfd_session_t *
+bfd_lookup_session (bfd_udp_main_t * bum, const bfd_udp_key_t * key)
 {
   uword *p = mhash_get (&bum->bfd_session_idx_by_bfd_key, key);
   if (p)
@@ -119,13 +122,15 @@ static bfd_session_t *bfd_lookup_session (bfd_udp_main_t *bum,
 }
 
 static vnet_api_error_t
-bfd_udp_add_session_internal (bfd_udp_main_t *bum, u32 sw_if_index,
-                              u32 desired_min_tx_us, u32 required_min_rx_us,
-                              u8 detect_mult, const ip46_address_t *local_addr,
-                              const ip46_address_t *peer_addr, u32 *bs_index)
+bfd_udp_add_session_internal (bfd_udp_main_t * bum, u32 sw_if_index,
+			      u32 desired_min_tx_us, u32 required_min_rx_us,
+			      u8 detect_mult,
+			      const ip46_address_t * local_addr,
+			      const ip46_address_t * peer_addr,
+			      u32 * bs_index)
 {
   vnet_sw_interface_t *sw_if =
-      vnet_get_sw_interface (vnet_get_main (), sw_if_index);
+    vnet_get_sw_interface (vnet_get_main (), sw_if_index);
   /* get a pool entry and if we end up not needing it, give it back */
   bfd_transport_t t = BFD_TRANSPORT_UDP4;
   if (!ip46_address_is_ip4 (local_addr))
@@ -151,29 +156,30 @@ bfd_udp_add_session_internal (bfd_udp_main_t *bum, u32 sw_if_index,
   key->sw_if_index = sw_if->sw_if_index;
   mhash_set (&bum->bfd_session_idx_by_bfd_key, key, bs->bs_idx, NULL);
   BFD_DBG ("session created, bs_idx=%u, sw_if_index=%d, local=%U, peer=%U",
-           bs->bs_idx, key->sw_if_index, format_ip46_address, &key->local_addr,
-           IP46_TYPE_ANY, format_ip46_address, &key->peer_addr, IP46_TYPE_ANY);
+	   bs->bs_idx, key->sw_if_index, format_ip46_address,
+	   &key->local_addr, IP46_TYPE_ANY, format_ip46_address,
+	   &key->peer_addr, IP46_TYPE_ANY);
   if (BFD_TRANSPORT_UDP4 == t)
     {
       bus->adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP4, VNET_LINK_IP4,
-                                            &key->peer_addr, key->sw_if_index);
+					    &key->peer_addr,
+					    key->sw_if_index);
       BFD_DBG ("adj_nbr_add_or_lock(FIB_PROTOCOL_IP4, VNET_LINK_IP4, %U, %d) "
-               "returns %d",
-               format_ip46_address, &key->peer_addr, IP46_TYPE_ANY,
-               key->sw_if_index, bus->adj_index);
+	       "returns %d", format_ip46_address, &key->peer_addr,
+	       IP46_TYPE_ANY, key->sw_if_index, bus->adj_index);
     }
   else
     {
       bus->adj_index = adj_nbr_add_or_lock (FIB_PROTOCOL_IP6, VNET_LINK_IP6,
-                                            &key->peer_addr, key->sw_if_index);
+					    &key->peer_addr,
+					    key->sw_if_index);
       BFD_DBG ("adj_nbr_add_or_lock(FIB_PROTOCOL_IP6, VNET_LINK_IP6, %U, %d) "
-               "returns %d",
-               format_ip46_address, &key->peer_addr, IP46_TYPE_ANY,
-               key->sw_if_index, bus->adj_index);
+	       "returns %d", format_ip46_address, &key->peer_addr,
+	       IP46_TYPE_ANY, key->sw_if_index, bus->adj_index);
     }
   bs->config_desired_min_tx_us = desired_min_tx_us;
   bs->required_min_rx_us = required_min_rx_us;
-  bs->required_min_echo_rx_us = required_min_rx_us; /* FIXME */
+  bs->required_min_echo_rx_us = required_min_rx_us;	/* FIXME */
   bs->local_detect_mult = detect_mult;
   bfd_session_start (bum->bfd_main, bs);
   *bs_index = bs->bs_idx;
@@ -181,11 +187,12 @@ bfd_udp_add_session_internal (bfd_udp_main_t *bum, u32 sw_if_index,
 }
 
 static vnet_api_error_t
-bfd_udp_validate_api_input (u32 sw_if_index, const ip46_address_t *local_addr,
-                            const ip46_address_t *peer_addr)
+bfd_udp_validate_api_input (u32 sw_if_index,
+			    const ip46_address_t * local_addr,
+			    const ip46_address_t * peer_addr)
 {
   vnet_sw_interface_t *sw_if =
-      vnet_get_sw_interface (vnet_get_main (), sw_if_index);
+    vnet_get_sw_interface (vnet_get_main (), sw_if_index);
   u8 local_ip_valid = 0;
   ip_interface_address_t *ia = NULL;
   if (!sw_if)
@@ -196,10 +203,10 @@ bfd_udp_validate_api_input (u32 sw_if_index, const ip46_address_t *local_addr,
   if (ip46_address_is_ip4 (local_addr))
     {
       if (!ip46_address_is_ip4 (peer_addr))
-        {
-          BFD_ERR ("IP family mismatch");
-          return VNET_API_ERROR_INVALID_ARGUMENT;
-        }
+	{
+	  BFD_ERR ("IP family mismatch");
+	  return VNET_API_ERROR_INVALID_ARGUMENT;
+	}
       ip4_main_t *im = &ip4_main;
 
       /* *INDENT-OFF* */
@@ -219,10 +226,10 @@ bfd_udp_validate_api_input (u32 sw_if_index, const ip46_address_t *local_addr,
   else
     {
       if (ip46_address_is_ip4 (peer_addr))
-        {
-          BFD_ERR ("IP family mismatch");
-          return VNET_API_ERROR_INVALID_ARGUMENT;
-        }
+	{
+	  BFD_ERR ("IP family mismatch");
+	  return VNET_API_ERROR_INVALID_ARGUMENT;
+	}
       ip6_main_t *im = &ip6_main;
       /* *INDENT-OFF* */
       foreach_ip_interface_address (
@@ -249,14 +256,14 @@ bfd_udp_validate_api_input (u32 sw_if_index, const ip46_address_t *local_addr,
   return 0;
 }
 
-vnet_api_error_t bfd_udp_add_session (u32 sw_if_index, u32 desired_min_tx_us,
-                                      u32 required_min_rx_us, u8 detect_mult,
-                                      const ip46_address_t *local_addr,
-                                      const ip46_address_t *peer_addr,
-                                      u32 *bs_index)
+vnet_api_error_t
+bfd_udp_add_session (u32 sw_if_index, u32 desired_min_tx_us,
+		     u32 required_min_rx_us, u8 detect_mult,
+		     const ip46_address_t * local_addr,
+		     const ip46_address_t * peer_addr, u32 * bs_index)
 {
   vnet_api_error_t rv =
-      bfd_udp_validate_api_input (sw_if_index, local_addr, peer_addr);
+    bfd_udp_validate_api_input (sw_if_index, local_addr, peer_addr);
   if (rv)
     {
       return rv;
@@ -271,24 +278,26 @@ vnet_api_error_t bfd_udp_add_session (u32 sw_if_index, u32 desired_min_tx_us,
       BFD_ERR ("desired_min_tx_us < 1");
       return VNET_API_ERROR_INVALID_ARGUMENT;
     }
-  return bfd_udp_add_session_internal (
-      &bfd_udp_main, sw_if_index, desired_min_tx_us, required_min_rx_us,
-      detect_mult, local_addr, peer_addr, bs_index);
+  return bfd_udp_add_session_internal (&bfd_udp_main, sw_if_index,
+				       desired_min_tx_us, required_min_rx_us,
+				       detect_mult, local_addr, peer_addr,
+				       bs_index);
 }
 
-vnet_api_error_t bfd_udp_del_session (u32 sw_if_index,
-                                      const ip46_address_t *local_addr,
-                                      const ip46_address_t *peer_addr)
+vnet_api_error_t
+bfd_udp_del_session (u32 sw_if_index,
+		     const ip46_address_t * local_addr,
+		     const ip46_address_t * peer_addr)
 {
   vnet_api_error_t rv =
-      bfd_udp_validate_api_input (sw_if_index, local_addr, peer_addr);
+    bfd_udp_validate_api_input (sw_if_index, local_addr, peer_addr);
   if (rv)
     {
       return rv;
     }
   bfd_udp_main_t *bum = &bfd_udp_main;
   vnet_sw_interface_t *sw_if =
-      vnet_get_sw_interface (vnet_get_main (), sw_if_index);
+    vnet_get_sw_interface (vnet_get_main (), sw_if_index);
   bfd_udp_key_t key;
   memset (&key, 0, sizeof (key));
   key.sw_if_index = sw_if->sw_if_index;
@@ -312,7 +321,8 @@ vnet_api_error_t bfd_udp_del_session (u32 sw_if_index,
   return 0;
 }
 
-typedef enum {
+typedef enum
+{
   BFD_UDP_INPUT_NEXT_NORMAL,
   BFD_UDP_INPUT_NEXT_REPLY,
   BFD_UDP_INPUT_N_NEXT,
@@ -334,15 +344,17 @@ static char *bfd_udp_error_strings[] = {
 #undef F
 };
 
-typedef enum {
+typedef enum
+{
 #define F(sym, str) BFD_UDP_ERROR_##sym,
   foreach_bfd_udp_error (F)
 #undef F
-      BFD_UDP_N_ERROR,
+    BFD_UDP_N_ERROR,
 } bfd_udp_error_t;
 
-static void bfd_udp4_find_headers (vlib_buffer_t *b, const ip4_header_t **ip4,
-                                   const udp_header_t **udp)
+static void
+bfd_udp4_find_headers (vlib_buffer_t * b, const ip4_header_t ** ip4,
+		       const udp_header_t ** udp)
 {
   /* sanity check first */
   const i32 start = vnet_buffer (b)->ip.start_of_ip_header;
@@ -353,49 +365,49 @@ static void bfd_udp4_find_headers (vlib_buffer_t *b, const ip4_header_t **ip4,
       *udp = NULL;
       return;
     }
-  *ip4 = (ip4_header_t *)(b->data + start);
-  if ((u8 *)*ip4 > (u8 *)vlib_buffer_get_current (b))
+  *ip4 = (ip4_header_t *) (b->data + start);
+  if ((u8 *) * ip4 > (u8 *) vlib_buffer_get_current (b))
     {
       BFD_ERR ("Start of ip header is beyond current data, ignoring");
       *ip4 = NULL;
       *udp = NULL;
       return;
     }
-  *udp = (udp_header_t *)((*ip4) + 1);
+  *udp = (udp_header_t *) ((*ip4) + 1);
 }
 
-static bfd_udp_error_t bfd_udp4_verify_transport (const ip4_header_t *ip4,
-                                                  const udp_header_t *udp,
-                                                  const bfd_session_t *bs)
+static bfd_udp_error_t
+bfd_udp4_verify_transport (const ip4_header_t * ip4,
+			   const udp_header_t * udp, const bfd_session_t * bs)
 {
   const bfd_udp_session_t *bus = &bs->udp;
   const bfd_udp_key_t *key = &bus->key;
   if (ip4->src_address.as_u32 != key->peer_addr.ip4.as_u32)
     {
       BFD_ERR ("IPv4 src addr mismatch, got %U, expected %U",
-               format_ip4_address, ip4->src_address.as_u8, format_ip4_address,
-               key->peer_addr.ip4.as_u8);
+	       format_ip4_address, ip4->src_address.as_u8, format_ip4_address,
+	       key->peer_addr.ip4.as_u8);
       return BFD_UDP_ERROR_BAD;
     }
   if (ip4->dst_address.as_u32 != key->local_addr.ip4.as_u32)
     {
       BFD_ERR ("IPv4 dst addr mismatch, got %U, expected %U",
-               format_ip4_address, ip4->dst_address.as_u8, format_ip4_address,
-               key->local_addr.ip4.as_u8);
+	       format_ip4_address, ip4->dst_address.as_u8, format_ip4_address,
+	       key->local_addr.ip4.as_u8);
       return BFD_UDP_ERROR_BAD;
     }
   const u8 expected_ttl = 255;
   if (ip4->ttl != expected_ttl)
     {
       BFD_ERR ("IPv4 unexpected TTL value %u, expected %u", ip4->ttl,
-               expected_ttl);
+	       expected_ttl);
       return BFD_UDP_ERROR_BAD;
     }
   if (clib_net_to_host_u16 (udp->src_port) < 49152 ||
       clib_net_to_host_u16 (udp->src_port) > 65535)
     {
       BFD_ERR ("Invalid UDP src port %u, out of range <49152,65535>",
-               udp->src_port);
+	       udp->src_port);
     }
   return BFD_UDP_ERROR_NONE;
 }
@@ -406,33 +418,35 @@ typedef struct
   bfd_pkt_t pkt;
 } bfd_rpc_update_t;
 
-static void bfd_rpc_update_session_cb (const bfd_rpc_update_t *a)
+static void
+bfd_rpc_update_session_cb (const bfd_rpc_update_t * a)
 {
   bfd_consume_pkt (bfd_udp_main.bfd_main, &a->pkt, a->bs_idx);
 }
 
-static void bfd_rpc_update_session (u32 bs_idx, const bfd_pkt_t *pkt)
+static void
+bfd_rpc_update_session (u32 bs_idx, const bfd_pkt_t * pkt)
 {
   /* packet length was already verified to be correct by the caller */
   const u32 data_size = sizeof (bfd_rpc_update_t) -
-                        STRUCT_SIZE_OF (bfd_rpc_update_t, pkt) +
-                        pkt->head.length;
+    STRUCT_SIZE_OF (bfd_rpc_update_t, pkt) + pkt->head.length;
   u8 data[data_size];
-  bfd_rpc_update_t *update = (bfd_rpc_update_t *)data;
+  bfd_rpc_update_t *update = (bfd_rpc_update_t *) data;
   update->bs_idx = bs_idx;
   clib_memcpy (&update->pkt, pkt, pkt->head.length);
   vl_api_rpc_call_main_thread (bfd_rpc_update_session_cb, data, data_size);
 }
 
-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)
+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)
 {
   const bfd_pkt_t *pkt = vlib_buffer_get_current (b);
   if (sizeof (*pkt) > b->current_length)
     {
-      BFD_ERR (
-          "Payload size %d too small to hold bfd packet of minimum size %d",
-          b->current_length, sizeof (*pkt));
+      BFD_ERR
+	("Payload size %d too small to hold bfd packet of minimum size %d",
+	 b->current_length, sizeof (*pkt));
       return BFD_UDP_ERROR_BAD;
     }
   const ip4_header_t *ip4;
@@ -451,7 +465,7 @@ static bfd_udp_error_t bfd_udp4_scan (vlib_main_t *vm, vlib_node_runtime_t *rt,
   if (pkt->your_disc)
     {
       BFD_DBG ("Looking up BFD session using discriminator %u",
-               pkt->your_disc);
+	       pkt->your_disc);
       bs = bfd_find_session_by_disc (bfd_udp_main.bfd_main, pkt->your_disc);
     }
   else
@@ -462,9 +476,9 @@ static bfd_udp_error_t bfd_udp4_scan (vlib_main_t *vm, vlib_node_runtime_t *rt,
       key.local_addr.ip4.as_u32 = ip4->dst_address.as_u32;
       key.peer_addr.ip4.as_u32 = ip4->src_address.as_u32;
       BFD_DBG ("Looking up BFD session using key (sw_if_index=%u, local=%U, "
-               "peer=%U)",
-               key.sw_if_index, format_ip4_address, key.local_addr.ip4.as_u8,
-               format_ip4_address, key.peer_addr.ip4.as_u8);
+	       "peer=%U)",
+	       key.sw_if_index, format_ip4_address, key.local_addr.ip4.as_u8,
+	       format_ip4_address, key.peer_addr.ip4.as_u8);
       bs = bfd_lookup_session (&bfd_udp_main, &key);
     }
   if (!bs)
@@ -487,8 +501,9 @@ static bfd_udp_error_t bfd_udp4_scan (vlib_main_t *vm, vlib_node_runtime_t *rt,
   return BFD_UDP_ERROR_NONE;
 }
 
-static void bfd_udp6_find_headers (vlib_buffer_t *b, const ip6_header_t **ip6,
-                                   const udp_header_t **udp)
+static void
+bfd_udp6_find_headers (vlib_buffer_t * b, const ip6_header_t ** ip6,
+		       const udp_header_t ** udp)
 {
   /* sanity check first */
   const i32 start = vnet_buffer (b)->ip.start_of_ip_header;
@@ -499,62 +514,65 @@ static void bfd_udp6_find_headers (vlib_buffer_t *b, const ip6_header_t **ip6,
       *udp = NULL;
       return;
     }
-  *ip6 = (ip6_header_t *)(b->data + start);
-  if ((u8 *)*ip6 > (u8 *)vlib_buffer_get_current (b))
+  *ip6 = (ip6_header_t *) (b->data + start);
+  if ((u8 *) * ip6 > (u8 *) vlib_buffer_get_current (b))
     {
       BFD_ERR ("Start of ip header is beyond current data, ignoring");
       *ip6 = NULL;
       *udp = NULL;
       return;
     }
-  *udp = (udp_header_t *)((*ip6) + 1);
+  *udp = (udp_header_t *) ((*ip6) + 1);
 }
 
-static bfd_udp_error_t bfd_udp6_verify_transport (const ip6_header_t *ip6,
-                                                  const udp_header_t *udp,
-                                                  const bfd_session_t *bs)
+static bfd_udp_error_t
+bfd_udp6_verify_transport (const ip6_header_t * ip6,
+			   const udp_header_t * udp, const bfd_session_t * bs)
 {
   const bfd_udp_session_t *bus = &bs->udp;
   const bfd_udp_key_t *key = &bus->key;
   if (ip6->src_address.as_u64[0] != key->peer_addr.ip6.as_u64[0] &&
       ip6->src_address.as_u64[1] != key->peer_addr.ip6.as_u64[1])
     {
-      BFD_ERR ("IP src addr mismatch, got %U, expected %U", format_ip6_address,
-               ip6, format_ip6_address, &key->peer_addr.ip6);
+      BFD_ERR ("IP src addr mismatch, got %U, expected %U",
+	       format_ip6_address, ip6, format_ip6_address,
+	       &key->peer_addr.ip6);
       return BFD_UDP_ERROR_BAD;
     }
   if (ip6->dst_address.as_u64[0] != key->local_addr.ip6.as_u64[0] &&
       ip6->dst_address.as_u64[1] != key->local_addr.ip6.as_u64[1])
     {
-      BFD_ERR ("IP dst addr mismatch, got %U, expected %U", format_ip6_address,
-               ip6, format_ip6_address, &key->local_addr.ip6);
+      BFD_ERR ("IP dst addr mismatch, got %U, expected %U",
+	       format_ip6_address, ip6, format_ip6_address,
+	       &key->local_addr.ip6);
       return BFD_UDP_ERROR_BAD;
     }
   const u8 expected_hop_limit = 255;
   if (ip6->hop_limit != expected_hop_limit)
     {
       BFD_ERR ("IPv6 unexpected hop-limit value %u, expected %u",
-               ip6->hop_limit, expected_hop_limit);
+	       ip6->hop_limit, expected_hop_limit);
       return BFD_UDP_ERROR_BAD;
     }
   if (clib_net_to_host_u16 (udp->src_port) < 49152 ||
       clib_net_to_host_u16 (udp->src_port) > 65535)
     {
       BFD_ERR ("Invalid UDP src port %u, out of range <49152,65535>",
-               udp->src_port);
+	       udp->src_port);
     }
   return BFD_UDP_ERROR_NONE;
 }
 
-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)
+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)
 {
   const bfd_pkt_t *pkt = vlib_buffer_get_current (b);
   if (sizeof (*pkt) > b->current_length)
     {
-      BFD_ERR (
-          "Payload size %d too small to hold bfd packet of minimum size %d",
-          b->current_length, sizeof (*pkt));
+      BFD_ERR
+	("Payload size %d too small to hold bfd packet of minimum size %d",
+	 b->current_length, sizeof (*pkt));
       return BFD_UDP_ERROR_BAD;
     }
   const ip6_header_t *ip6;
@@ -573,7 +591,7 @@ static bfd_udp_error_t bfd_udp6_scan (vlib_main_t *vm, vlib_node_runtime_t *rt,
   if (pkt->your_disc)
     {
       BFD_DBG ("Looking up BFD session using discriminator %u",
-               pkt->your_disc);
+	       pkt->your_disc);
       bs = bfd_find_session_by_disc (bfd_udp_main.bfd_main, pkt->your_disc);
     }
   else
@@ -586,9 +604,9 @@ static bfd_udp_error_t bfd_udp6_scan (vlib_main_t *vm, vlib_node_runtime_t *rt,
       key.peer_addr.ip6.as_u64[0] = ip6->src_address.as_u64[0];
       key.peer_addr.ip6.as_u64[1] = ip6->src_address.as_u64[1];
       BFD_DBG ("Looking up BFD session using key (sw_if_index=%u, local=%U, "
-               "peer=%U)",
-               key.sw_if_index, format_ip6_address, &key.local_addr,
-               format_ip6_address, &key.peer_addr);
+	       "peer=%U)",
+	       key.sw_if_index, format_ip6_address, &key.local_addr,
+	       format_ip6_address, &key.peer_addr);
       bs = bfd_lookup_session (&bfd_udp_main, &key);
     }
   if (!bs)
@@ -615,14 +633,15 @@ static bfd_udp_error_t bfd_udp6_scan (vlib_main_t *vm, vlib_node_runtime_t *rt,
  * Process a frame of bfd packets
  * Expect 1 packet / frame
  */
-static uword bfd_udp_input (vlib_main_t *vm, vlib_node_runtime_t *rt,
-                            vlib_frame_t *f, int is_ipv6)
+static uword
+bfd_udp_input (vlib_main_t * vm, vlib_node_runtime_t * rt,
+	       vlib_frame_t * f, int is_ipv6)
 {
   u32 n_left_from, *from;
   bfd_input_trace_t *t0;
 
-  from = vlib_frame_vector_args (f); /* array of buffer indices */
-  n_left_from = f->n_vectors;        /* number of buffer indices */
+  from = vlib_frame_vector_args (f);	/* array of buffer indices */
+  n_left_from = f->n_vectors;	/* number of buffer indices */
 
   while (n_left_from > 0)
     {
@@ -637,49 +656,49 @@ static uword bfd_udp_input (vlib_main_t *vm, vlib_node_runtime_t *rt,
 
       /* If this pkt is traced, snapshot the data */
       if (b0->flags & VLIB_BUFFER_IS_TRACED)
-        {
-          int len;
-          t0 = vlib_add_trace (vm, rt, b0, sizeof (*t0));
-          len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
-                                                         : sizeof (t0->data);
-          t0->len = len;
-          clib_memcpy (t0->data, vlib_buffer_get_current (b0), len);
-        }
+	{
+	  int len;
+	  t0 = vlib_add_trace (vm, rt, b0, sizeof (*t0));
+	  len = (b0->current_length < sizeof (t0->data)) ? b0->current_length
+	    : sizeof (t0->data);
+	  t0->len = len;
+	  clib_memcpy (t0->data, vlib_buffer_get_current (b0), len);
+	}
 
       /* scan this bfd pkt. error0 is the counter index to bmp */
       if (is_ipv6)
-        {
-          error0 = bfd_udp6_scan (vm, rt, b0, &bs);
-        }
+	{
+	  error0 = bfd_udp6_scan (vm, rt, b0, &bs);
+	}
       else
-        {
-          error0 = bfd_udp4_scan (vm, rt, b0, &bs);
-        }
+	{
+	  error0 = bfd_udp4_scan (vm, rt, b0, &bs);
+	}
       b0->error = rt->errors[error0];
 
       next0 = BFD_UDP_INPUT_NEXT_NORMAL;
       if (BFD_UDP_ERROR_NONE == error0)
-        {
-          /* if everything went fine, check for poll bit, if present, re-use
-             the buffer and based on (now updated) session parameters, send the
-             final packet back */
-          const bfd_pkt_t *pkt = vlib_buffer_get_current (b0);
-          if (bfd_pkt_get_poll (pkt))
-            {
-              bfd_send_final (vm, b0, bs);
-              if (is_ipv6)
-                {
-                  vlib_node_increment_counter (vm, bfd_udp6_input_node.index,
-                                               b0->error, 1);
-                }
-              else
-                {
-                  vlib_node_increment_counter (vm, bfd_udp4_input_node.index,
-                                               b0->error, 1);
-                }
-              next0 = BFD_UDP_INPUT_NEXT_REPLY;
-            }
-        }
+	{
+	  /* if everything went fine, check for poll bit, if present, re-use
+	     the buffer and based on (now updated) session parameters, send the
+	     final packet back */
+	  const bfd_pkt_t *pkt = vlib_buffer_get_current (b0);
+	  if (bfd_pkt_get_poll (pkt))
+	    {
+	      bfd_send_final (vm, b0, bs);
+	      if (is_ipv6)
+		{
+		  vlib_node_increment_counter (vm, bfd_udp6_input_node.index,
+					       b0->error, 1);
+		}
+	      else
+		{
+		  vlib_node_increment_counter (vm, bfd_udp4_input_node.index,
+					       b0->error, 1);
+		}
+	      next0 = BFD_UDP_INPUT_NEXT_REPLY;
+	    }
+	}
       vlib_set_next_frame_buffer (vm, rt, next0, bi0);
 
       from += 1;
@@ -689,8 +708,8 @@ static uword bfd_udp_input (vlib_main_t *vm, vlib_node_runtime_t *rt,
   return f->n_vectors;
 }
 
-static uword bfd_udp4_input (vlib_main_t *vm, vlib_node_runtime_t *rt,
-                             vlib_frame_t *f)
+static uword
+bfd_udp4_input (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
 {
   return bfd_udp_input (vm, rt, f, 0);
 }
@@ -719,8 +738,8 @@ VLIB_REGISTER_NODE (bfd_udp4_input_node, static) = {
 };
 /* *INDENT-ON* */
 
-static uword bfd_udp6_input (vlib_main_t *vm, vlib_node_runtime_t *rt,
-                             vlib_frame_t *f)
+static uword
+bfd_udp6_input (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
 {
   return bfd_udp_input (vm, rt, f, 1);
 }
@@ -746,8 +765,8 @@ VLIB_REGISTER_NODE (bfd_udp6_input_node, static) = {
 };
 /* *INDENT-ON* */
 
-static clib_error_t *bfd_sw_interface_up_down (vnet_main_t *vnm,
-                                               u32 sw_if_index, u32 flags)
+static clib_error_t *
+bfd_sw_interface_up_down (vnet_main_t * vnm, u32 sw_if_index, u32 flags)
 {
   // vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm, sw_if_index);
   if (!(flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP))
@@ -759,8 +778,8 @@ static clib_error_t *bfd_sw_interface_up_down (vnet_main_t *vnm,
 
 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)
+static clib_error_t *
+bfd_hw_interface_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
 {
   if (flags & VNET_HW_INTERFACE_FLAG_LINK_UP)
     {
@@ -774,10 +793,11 @@ VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (bfd_hw_interface_up_down);
 /*
  * setup function
  */
-static clib_error_t *bfd_udp_init (vlib_main_t *vm)
+static clib_error_t *
+bfd_udp_init (vlib_main_t * vm)
 {
   mhash_init (&bfd_udp_main.bfd_session_idx_by_bfd_key, sizeof (uword),
-              sizeof (bfd_udp_key_t));
+	      sizeof (bfd_udp_key_t));
   bfd_udp_main.bfd_main = &bfd_main;
   udp_register_dst_port (vm, UDP_DST_PORT_bfd4, bfd_udp4_input_node.index, 1);
   udp_register_dst_port (vm, UDP_DST_PORT_bfd6, bfd_udp6_input_node.index, 0);
@@ -785,3 +805,11 @@ static clib_error_t *bfd_udp_init (vlib_main_t *vm)
 }
 
 VLIB_INIT_FUNCTION (bfd_udp_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */