1 files changed, 182 insertions, 169 deletions

diff --git a/vnet/vnet/devices/ssvm/ssvm_eth.c b/vnet/vnet/devices/ssvm/ssvm_eth.c
index 7c65e2121f5..f35127bd7ff 100644
--- a/vnet/vnet/devices/ssvm/ssvm_eth.c
+++ b/vnet/vnet/devices/ssvm/ssvm_eth.c
@@ -21,26 +21,27 @@ _(RING_FULL, "Tx packet drops (ring full)")     \
 _(NO_BUFFERS, "Tx packet drops (no buffers)")   \
 _(ADMIN_DOWN, "Tx packet drops (admin down)")
 
-typedef enum {
+typedef enum
+{
 #define _(f,s) SSVM_ETH_TX_ERROR_##f,
   foreach_ssvm_eth_tx_func_error
 #undef _
-  SSVM_ETH_TX_N_ERROR,
+    SSVM_ETH_TX_N_ERROR,
 } ssvm_eth_tx_func_error_t;
 
-static u32 ssvm_eth_flag_change (vnet_main_t * vnm, 
-                                 vnet_hw_interface_t * hi,
-                                 u32 flags);
+static u32 ssvm_eth_flag_change (vnet_main_t * vnm,
+				 vnet_hw_interface_t * hi, u32 flags);
 
-int ssvm_eth_create (ssvm_eth_main_t * em, u8 * name, int is_master)
+int
+ssvm_eth_create (ssvm_eth_main_t * em, u8 * name, int is_master)
 {
-  ssvm_private_t * intfc;
-  void * oldheap;
-  clib_error_t * e;
-  unix_shared_memory_queue_t * q;
-  ssvm_shared_header_t * sh;
-  ssvm_eth_queue_elt_t * elts;
-  u32 * elt_indices;
+  ssvm_private_t *intfc;
+  void *oldheap;
+  clib_error_t *e;
+  unix_shared_memory_queue_t *q;
+  ssvm_shared_header_t *sh;
+  ssvm_eth_queue_elt_t *elts;
+  u32 *elt_indices;
   u8 enet_addr[6];
   int i, rv;
 
@@ -49,37 +50,37 @@ int ssvm_eth_create (ssvm_eth_main_t * em, u8 * name, int is_master)
   intfc->ssvm_size = em->segment_size;
   intfc->i_am_master = 1;
   intfc->name = name;
-  intfc->my_pid = getpid();
+  intfc->my_pid = getpid ();
   if (is_master == 0)
     {
-      rv = ssvm_slave_init (intfc, 20 /* timeout in seconds */);
+      rv = ssvm_slave_init (intfc, 20 /* timeout in seconds */ );
       if (rv < 0)
-        return rv;
+	return rv;
       goto create_vnet_interface;
     }
 
   intfc->requested_va = em->next_base_va;
   em->next_base_va += em->segment_size;
-  rv = ssvm_master_init (intfc, intfc - em->intfcs /* master index */);
+  rv = ssvm_master_init (intfc, intfc - em->intfcs /* master index */ );
 
   if (rv < 0)
     return rv;
-  
+
   /* OK, segment created, set up queues and so forth.  */
-  
+
   sh = intfc->sh;
   oldheap = ssvm_push_heap (sh);
 
   q = unix_shared_memory_queue_init (em->queue_elts, sizeof (u32),
-                                     0 /* consumer pid not interesting */,
-                                     0 /* signal not sent */);
-  sh->opaque [TO_MASTER_Q_INDEX] = (void *)q;
+				     0 /* consumer pid not interesting */ ,
+				     0 /* signal not sent */ );
+  sh->opaque[TO_MASTER_Q_INDEX] = (void *) q;
   q = unix_shared_memory_queue_init (em->queue_elts, sizeof (u32),
-                                     0 /* consumer pid not interesting */,
-                                     0 /* signal not sent */);
-  sh->opaque [TO_SLAVE_Q_INDEX] = (void *)q;
-  
-  /* 
+				     0 /* consumer pid not interesting */ ,
+				     0 /* signal not sent */ );
+  sh->opaque[TO_SLAVE_Q_INDEX] = (void *) q;
+
+  /*
    * Preallocate the requested number of buffer chunks
    * There must be a better way to do this, etc.
    * Add some slop to avoid pool reallocation, which will not go well
@@ -89,17 +90,17 @@ int ssvm_eth_create (ssvm_eth_main_t * em, u8 * name, int is_master)
 
   vec_validate_aligned (elts, em->nbuffers - 1, CLIB_CACHE_LINE_BYTES);
   vec_validate_aligned (elt_indices, em->nbuffers - 1, CLIB_CACHE_LINE_BYTES);
-  
+
   for (i = 0; i < em->nbuffers; i++)
     elt_indices[i] = i;
 
-  sh->opaque [CHUNK_POOL_INDEX] = (void *) elts;
-  sh->opaque [CHUNK_POOL_FREELIST_INDEX] = (void *) elt_indices;
-  sh->opaque [CHUNK_POOL_NFREE] = (void *)(uword) em->nbuffers;
-  
+  sh->opaque[CHUNK_POOL_INDEX] = (void *) elts;
+  sh->opaque[CHUNK_POOL_FREELIST_INDEX] = (void *) elt_indices;
+  sh->opaque[CHUNK_POOL_NFREE] = (void *) (uword) em->nbuffers;
+
   ssvm_pop_heap (oldheap);
 
- create_vnet_interface:
+create_vnet_interface:
 
   sh = intfc->sh;
 
@@ -108,13 +109,11 @@ int ssvm_eth_create (ssvm_eth_main_t * em, u8 * name, int is_master)
   enet_addr[1] = 0xFE;
   enet_addr[2] = is_master;
   enet_addr[5] = sh->master_index;
-  
+
   e = ethernet_register_interface
-    (em->vnet_main, ssvm_eth_device_class.index,
-     intfc - em->intfcs,
+    (em->vnet_main, ssvm_eth_device_class.index, intfc - em->intfcs,
      /* ethernet address */ enet_addr,
-     &intfc->vlib_hw_if_index, 
-     ssvm_eth_flag_change);
+     &intfc->vlib_hw_if_index, ssvm_eth_flag_change);
 
   if (e)
     {
@@ -124,54 +123,55 @@ int ssvm_eth_create (ssvm_eth_main_t * em, u8 * name, int is_master)
     }
 
   /* Declare link up */
-  vnet_hw_interface_set_flags (em->vnet_main, intfc->vlib_hw_if_index, 
-                               VNET_HW_INTERFACE_FLAG_LINK_UP);
+  vnet_hw_interface_set_flags (em->vnet_main, intfc->vlib_hw_if_index,
+			       VNET_HW_INTERFACE_FLAG_LINK_UP);
 
   /* Let the games begin... */
   if (is_master)
-      sh->ready = 1;
+    sh->ready = 1;
   return 0;
 }
 
 static clib_error_t *
 ssvm_config (vlib_main_t * vm, unformat_input_t * input)
 {
-  u8 * name;
+  u8 *name;
   int is_master = 1;
   int i, rv;
-  ssvm_eth_main_t * em = &ssvm_eth_main;
+  ssvm_eth_main_t *em = &ssvm_eth_main;
 
-  while (unformat_check_input(input) != UNFORMAT_END_OF_INPUT)
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
     {
       if (unformat (input, "base-va %llx", &em->next_base_va))
-        ;
+	;
       else if (unformat (input, "segment-size %lld", &em->segment_size))
-        em->segment_size = 1ULL << (max_log2 (em->segment_size));
+	em->segment_size = 1ULL << (max_log2 (em->segment_size));
       else if (unformat (input, "nbuffers %lld", &em->nbuffers))
-        ;
+	;
       else if (unformat (input, "queue-elts %lld", &em->queue_elts))
-        ;
+	;
       else if (unformat (input, "slave"))
-        is_master = 0;
+	is_master = 0;
       else if (unformat (input, "%s", &name))
-        vec_add1 (em->names, name);
+	vec_add1 (em->names, name);
       else
-        break;
+	break;
     }
 
   /* No configured instances, we're done... */
   if (vec_len (em->names) == 0)
-      return 0;
+    return 0;
 
   for (i = 0; i < vec_len (em->names); i++)
     {
       rv = ssvm_eth_create (em, em->names[i], is_master);
       if (rv < 0)
-        return clib_error_return (0, "ssvm_eth_create '%s' failed, error %d",
-                                  em->names[i], rv);
+	return clib_error_return (0, "ssvm_eth_create '%s' failed, error %d",
+				  em->names[i], rv);
     }
 
-  vlib_node_set_state (vm, ssvm_eth_input_node.index, VLIB_NODE_STATE_POLLING);
+  vlib_node_set_state (vm, ssvm_eth_input_node.index,
+		       VLIB_NODE_STATE_POLLING);
 
   return 0;
 }
@@ -179,27 +179,28 @@ ssvm_config (vlib_main_t * vm, unformat_input_t * input)
 VLIB_CONFIG_FUNCTION (ssvm_config, "ssvm_eth");
 
 
-static clib_error_t * ssvm_eth_init (vlib_main_t * vm)
+static clib_error_t *
+ssvm_eth_init (vlib_main_t * vm)
 {
-  ssvm_eth_main_t * em = &ssvm_eth_main;
+  ssvm_eth_main_t *em = &ssvm_eth_main;
 
-  if (((sizeof(ssvm_eth_queue_elt_t) / CLIB_CACHE_LINE_BYTES) 
-       * CLIB_CACHE_LINE_BYTES) != sizeof(ssvm_eth_queue_elt_t))
+  if (((sizeof (ssvm_eth_queue_elt_t) / CLIB_CACHE_LINE_BYTES)
+       * CLIB_CACHE_LINE_BYTES) != sizeof (ssvm_eth_queue_elt_t))
     clib_warning ("ssvm_eth_queue_elt_t size %d not a multiple of %d",
-                  sizeof(ssvm_eth_queue_elt_t), CLIB_CACHE_LINE_BYTES);
+		  sizeof (ssvm_eth_queue_elt_t), CLIB_CACHE_LINE_BYTES);
 
   em->vlib_main = vm;
-  em->vnet_main = vnet_get_main();
+  em->vnet_main = vnet_get_main ();
   em->elog_main = &vm->elog_main;
 
   /* default config param values... */
 
   em->next_base_va = 0x600000000ULL;
-  /* 
+  /*
    * Allocate 2 full superframes in each dir (256 x 2 x 2 x 2048 bytes),
    * 2mb; double that so we have plenty of space... 4mb
    */
-  em->segment_size = 8<<20;
+  em->segment_size = 8 << 20;
   em->nbuffers = 1024;
   em->queue_elts = 512;
   return 0;
@@ -207,13 +208,14 @@ static clib_error_t * ssvm_eth_init (vlib_main_t * vm)
 
 VLIB_INIT_FUNCTION (ssvm_eth_init);
 
-static char * ssvm_eth_tx_func_error_strings[] = {
+static char *ssvm_eth_tx_func_error_strings[] = {
 #define _(n,s) s,
-    foreach_ssvm_eth_tx_func_error
+  foreach_ssvm_eth_tx_func_error
 #undef _
 };
 
-static u8 * format_ssvm_eth_device_name (u8 * s, va_list * args)
+static u8 *
+format_ssvm_eth_device_name (u8 * s, va_list * args)
 {
   u32 i = va_arg (*args, u32);
 
@@ -221,13 +223,15 @@ static u8 * format_ssvm_eth_device_name (u8 * s, va_list * args)
   return s;
 }
 
-static u8 * format_ssvm_eth_device (u8 * s, va_list * args)
+static u8 *
+format_ssvm_eth_device (u8 * s, va_list * args)
 {
   s = format (s, "SSVM Ethernet");
   return s;
 }
 
-static u8 * format_ssvm_eth_tx_trace (u8 * s, va_list * args)
+static u8 *
+format_ssvm_eth_tx_trace (u8 * s, va_list * args)
 {
   s = format (s, "Unimplemented...");
   return s;
@@ -236,19 +240,18 @@ static u8 * format_ssvm_eth_tx_trace (u8 * s, va_list * args)
 
 static uword
 ssvm_eth_interface_tx (vlib_main_t * vm,
-                       vlib_node_runtime_t * node,
-                       vlib_frame_t * f)
+		       vlib_node_runtime_t * node, vlib_frame_t * f)
 {
-  ssvm_eth_main_t * em = &ssvm_eth_main;
-  vnet_interface_output_runtime_t * rd = (void *) node->runtime_data;
-  ssvm_private_t * intfc = vec_elt_at_index (em->intfcs, rd->dev_instance);
-  ssvm_shared_header_t * sh = intfc->sh;
-  unix_shared_memory_queue_t * q;
-  u32 * from;
+  ssvm_eth_main_t *em = &ssvm_eth_main;
+  vnet_interface_output_runtime_t *rd = (void *) node->runtime_data;
+  ssvm_private_t *intfc = vec_elt_at_index (em->intfcs, rd->dev_instance);
+  ssvm_shared_header_t *sh = intfc->sh;
+  unix_shared_memory_queue_t *q;
+  u32 *from;
   u32 n_left;
-  ssvm_eth_queue_elt_t * elts, * elt, * prev_elt;
+  ssvm_eth_queue_elt_t *elts, *elt, *prev_elt;
   u32 my_pid = intfc->my_pid;
-  vlib_buffer_t * b0;
+  vlib_buffer_t *b0;
   u32 bi0;
   u32 size_this_buffer;
   u32 chunks_this_buffer;
@@ -259,12 +262,12 @@ ssvm_eth_interface_tx (vlib_main_t * vm,
   volatile u32 *queue_lock;
   u32 n_to_alloc = VLIB_FRAME_SIZE;
   u32 n_allocated, n_present_in_cache, n_available;
-  u32 * elt_indices;
-  
+  u32 *elt_indices;
+
   if (i_am_master)
-    q = (unix_shared_memory_queue_t *)sh->opaque [TO_SLAVE_Q_INDEX];
+    q = (unix_shared_memory_queue_t *) sh->opaque[TO_SLAVE_Q_INDEX];
   else
-    q = (unix_shared_memory_queue_t *)sh->opaque [TO_MASTER_Q_INDEX];
+    q = (unix_shared_memory_queue_t *) sh->opaque[TO_MASTER_Q_INDEX];
 
   queue_lock = (u32 *) q;
 
@@ -276,8 +279,8 @@ ssvm_eth_interface_tx (vlib_main_t * vm,
   n_present_in_cache = vec_len (em->chunk_cache);
 
   /* admin / link up/down check */
-  if (sh->opaque [MASTER_ADMIN_STATE_INDEX] == 0 ||
-      sh->opaque [SLAVE_ADMIN_STATE_INDEX] == 0)
+  if (sh->opaque[MASTER_ADMIN_STATE_INDEX] == 0 ||
+      sh->opaque[SLAVE_ADMIN_STATE_INDEX] == 0)
     {
       interface_down = 1;
       goto out;
@@ -285,27 +288,26 @@ ssvm_eth_interface_tx (vlib_main_t * vm,
 
   ssvm_lock (sh, my_pid, 1);
 
-  elts = (ssvm_eth_queue_elt_t *) (sh->opaque [CHUNK_POOL_INDEX]);
-  elt_indices = (u32 *) (sh->opaque [CHUNK_POOL_FREELIST_INDEX]);
-  n_available = (u32) pointer_to_uword(sh->opaque [CHUNK_POOL_NFREE]);
+  elts = (ssvm_eth_queue_elt_t *) (sh->opaque[CHUNK_POOL_INDEX]);
+  elt_indices = (u32 *) (sh->opaque[CHUNK_POOL_FREELIST_INDEX]);
+  n_available = (u32) pointer_to_uword (sh->opaque[CHUNK_POOL_NFREE]);
 
-  if (n_present_in_cache < n_left*2)
+  if (n_present_in_cache < n_left * 2)
     {
-      vec_validate (em->chunk_cache, 
-                    n_to_alloc + n_present_in_cache - 1);
+      vec_validate (em->chunk_cache, n_to_alloc + n_present_in_cache - 1);
 
       n_allocated = n_to_alloc < n_available ? n_to_alloc : n_available;
 
-      if (PREDICT_TRUE(n_allocated > 0))
+      if (PREDICT_TRUE (n_allocated > 0))
 	{
 	  clib_memcpy (&em->chunk_cache[n_present_in_cache],
-		  &elt_indices[n_available - n_allocated],
-		  sizeof(u32) * n_allocated);
+		       &elt_indices[n_available - n_allocated],
+		       sizeof (u32) * n_allocated);
 	}
 
       n_present_in_cache += n_allocated;
       n_available -= n_allocated;
-      sh->opaque [CHUNK_POOL_NFREE] = uword_to_pointer(n_available, void*);
+      sh->opaque[CHUNK_POOL_NFREE] = uword_to_pointer (n_available, void *);
       _vec_len (em->chunk_cache) = n_present_in_cache;
     }
 
@@ -315,115 +317,117 @@ ssvm_eth_interface_tx (vlib_main_t * vm,
     {
       bi0 = from[0];
       b0 = vlib_get_buffer (vm, bi0);
-      
+
       size_this_buffer = vlib_buffer_length_in_chain (vm, b0);
       chunks_this_buffer = (size_this_buffer + (SSVM_BUFFER_SIZE - 1))
-        / SSVM_BUFFER_SIZE;
+	/ SSVM_BUFFER_SIZE;
 
       /* If we're not going to be able to enqueue the buffer, tail drop. */
       if (q->cursize >= q->maxsize)
-        {
-          is_ring_full = 1;
-          break;
-        }
+	{
+	  is_ring_full = 1;
+	  break;
+	}
 
       prev_elt = 0;
       elt_index = ~0;
       for (i = 0; i < chunks_this_buffer; i++)
-        {
-          if (PREDICT_FALSE (n_present_in_cache == 0))
-            goto out;
-
-          elt_index = em->chunk_cache[--n_present_in_cache];
-          elt = elts + elt_index;
-
-          elt->type = SSVM_PACKET_TYPE;
-          elt->flags = 0;
-          elt->total_length_not_including_first_buffer = 
-            b0->total_length_not_including_first_buffer;
-          elt->length_this_buffer = b0->current_length;
-          elt->current_data_hint = b0->current_data;
-          elt->owner = !i_am_master;
-          elt->tag = 1;
-	  
-          clib_memcpy (elt->data, b0->data + b0->current_data, b0->current_length);
-          
-          if (PREDICT_FALSE (prev_elt != 0))
-            prev_elt->next_index = elt - elts;
-            
-          if (PREDICT_FALSE(i < (chunks_this_buffer-1)))
-            {
-              elt->flags = SSVM_BUFFER_NEXT_PRESENT;
-              ASSERT (b0->flags & VLIB_BUFFER_NEXT_PRESENT);
-              b0 = vlib_get_buffer (vm, b0->next_buffer);
-            }
-          prev_elt = elt;
-        }
+	{
+	  if (PREDICT_FALSE (n_present_in_cache == 0))
+	    goto out;
+
+	  elt_index = em->chunk_cache[--n_present_in_cache];
+	  elt = elts + elt_index;
+
+	  elt->type = SSVM_PACKET_TYPE;
+	  elt->flags = 0;
+	  elt->total_length_not_including_first_buffer =
+	    b0->total_length_not_including_first_buffer;
+	  elt->length_this_buffer = b0->current_length;
+	  elt->current_data_hint = b0->current_data;
+	  elt->owner = !i_am_master;
+	  elt->tag = 1;
+
+	  clib_memcpy (elt->data, b0->data + b0->current_data,
+		       b0->current_length);
+
+	  if (PREDICT_FALSE (prev_elt != 0))
+	    prev_elt->next_index = elt - elts;
+
+	  if (PREDICT_FALSE (i < (chunks_this_buffer - 1)))
+	    {
+	      elt->flags = SSVM_BUFFER_NEXT_PRESENT;
+	      ASSERT (b0->flags & VLIB_BUFFER_NEXT_PRESENT);
+	      b0 = vlib_get_buffer (vm, b0->next_buffer);
+	    }
+	  prev_elt = elt;
+	}
 
       while (__sync_lock_test_and_set (queue_lock, 1))
-          ;
-      
-      unix_shared_memory_queue_add_raw (q, (u8 *)&elt_index);
-      CLIB_MEMORY_BARRIER();
+	;
+
+      unix_shared_memory_queue_add_raw (q, (u8 *) & elt_index);
+      CLIB_MEMORY_BARRIER ();
       *queue_lock = 0;
 
       from++;
       n_left--;
     }
 
- out:
-  if (PREDICT_FALSE(n_left))
+out:
+  if (PREDICT_FALSE (n_left))
     {
       if (is_ring_full)
-        vlib_error_count (vm, node->node_index, SSVM_ETH_TX_ERROR_RING_FULL, 
-                          n_left);
+	vlib_error_count (vm, node->node_index, SSVM_ETH_TX_ERROR_RING_FULL,
+			  n_left);
       else if (interface_down)
-        vlib_error_count (vm, node->node_index, SSVM_ETH_TX_ERROR_ADMIN_DOWN, 
-                          n_left);
+	vlib_error_count (vm, node->node_index, SSVM_ETH_TX_ERROR_ADMIN_DOWN,
+			  n_left);
       else
-        vlib_error_count (vm, node->node_index, SSVM_ETH_TX_ERROR_NO_BUFFERS,
-                          n_left);
+	vlib_error_count (vm, node->node_index, SSVM_ETH_TX_ERROR_NO_BUFFERS,
+			  n_left);
 
       vlib_buffer_free (vm, from, n_left);
     }
   else
-      vlib_buffer_free (vm, vlib_frame_vector_args (f), f->n_vectors);
+    vlib_buffer_free (vm, vlib_frame_vector_args (f), f->n_vectors);
 
-  if (PREDICT_TRUE(vec_len(em->chunk_cache)))
-      _vec_len(em->chunk_cache) = n_present_in_cache;
+  if (PREDICT_TRUE (vec_len (em->chunk_cache)))
+    _vec_len (em->chunk_cache) = n_present_in_cache;
 
   return f->n_vectors;
 }
 
-static void ssvm_eth_clear_hw_interface_counters (u32 instance)
+static void
+ssvm_eth_clear_hw_interface_counters (u32 instance)
 {
   /* Nothing for now */
 }
 
 static clib_error_t *
-ssvm_eth_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index, u32 flags)
+ssvm_eth_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index,
+				  u32 flags)
 {
-  vnet_hw_interface_t * hif = vnet_get_hw_interface (vnm, hw_if_index);
+  vnet_hw_interface_t *hif = vnet_get_hw_interface (vnm, hw_if_index);
   uword is_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
-  ssvm_eth_main_t * em = &ssvm_eth_main;
-  ssvm_private_t * intfc = vec_elt_at_index (em->intfcs, hif->dev_instance);
-  ssvm_shared_header_t * sh;
+  ssvm_eth_main_t *em = &ssvm_eth_main;
+  ssvm_private_t *intfc = vec_elt_at_index (em->intfcs, hif->dev_instance);
+  ssvm_shared_header_t *sh;
 
   /* publish link-state in shared-memory, to discourage buffer-wasting */
   sh = intfc->sh;
   if (intfc->i_am_master)
-    sh->opaque [MASTER_ADMIN_STATE_INDEX] = (void *) is_up;
+    sh->opaque[MASTER_ADMIN_STATE_INDEX] = (void *) is_up;
   else
-    sh->opaque [SLAVE_ADMIN_STATE_INDEX] = (void *) is_up;
-    
+    sh->opaque[SLAVE_ADMIN_STATE_INDEX] = (void *) is_up;
+
   return 0;
 }
 
 static clib_error_t *
 ssvm_eth_subif_add_del_function (vnet_main_t * vnm,
-                                 u32 hw_if_index,
-                                 struct vnet_sw_interface_t * st,
-                                 int is_add)
+				 u32 hw_if_index,
+				 struct vnet_sw_interface_t *st, int is_add)
 {
   /* Nothing for now */
   return 0;
@@ -433,33 +437,33 @@ ssvm_eth_subif_add_del_function (vnet_main_t * vnm,
  * Dynamically redirect all pkts from a specific interface
  * to the specified node
  */
-static void 
-ssvm_eth_set_interface_next_node (vnet_main_t *vnm, u32 hw_if_index,
-                                  u32 node_index)
+static void
+ssvm_eth_set_interface_next_node (vnet_main_t * vnm, u32 hw_if_index,
+				  u32 node_index)
 {
-  ssvm_eth_main_t * em = &ssvm_eth_main;
+  ssvm_eth_main_t *em = &ssvm_eth_main;
   vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index);
-  ssvm_private_t * intfc = pool_elt_at_index (em->intfcs, hw->dev_instance);
-  
+  ssvm_private_t *intfc = pool_elt_at_index (em->intfcs, hw->dev_instance);
+
   /* Shut off redirection */
   if (node_index == ~0)
     {
       intfc->per_interface_next_index = node_index;
       return;
     }
-  
-  intfc->per_interface_next_index = 
+
+  intfc->per_interface_next_index =
     vlib_node_add_next (em->vlib_main, ssvm_eth_input_node.index, node_index);
 }
 
-static u32 ssvm_eth_flag_change (vnet_main_t * vnm, 
-                                 vnet_hw_interface_t * hi,
-                                 u32 flags)
+static u32
+ssvm_eth_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
 {
-    /* nothing for now */
-    return 0;
+  /* nothing for now */
+  return 0;
 }
 
+/* *INDENT-OFF* */
 VNET_DEVICE_CLASS (ssvm_eth_device_class) = {
   .name = "ssvm-eth",
   .tx_function = ssvm_eth_interface_tx,
@@ -477,3 +481,12 @@ VNET_DEVICE_CLASS (ssvm_eth_device_class) = {
 
 VLIB_DEVICE_TX_FUNCTION_MULTIARCH (ssvm_eth_device_class,
 				   ssvm_eth_interface_tx)
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */