IGMP: use simple u32 bit hash key

some IGMP hashse use only a u32 key, which is not stored in the object, so don't use memory based hash

Change-Id: Iaa4eddf568ea0164bc2a812da4cc502f1811b93c
Signed-off-by: Neale Ranns <nranns@cisco.com>

3 files changed, 15 insertions, 18 deletions

diff --git a/src/plugins/igmp/igmp.c b/src/plugins/igmp/igmp.c
index 6499b5be466..15f6317c93c 100644
--- a/src/plugins/igmp/igmp.c
+++ b/src/plugins/igmp/igmp.c
@@ -74,7 +74,7 @@ igmp_clear_config (igmp_config_t * config)
   pool_free (config->groups);
   hash_free (config->igmp_group_by_key);
 
-  hash_unset_mem (im->igmp_config_by_sw_if_index, &config->sw_if_index);
+  hash_unset (im->igmp_config_by_sw_if_index, config->sw_if_index);
   pool_put (im->configs, config);
 }
 
@@ -635,7 +635,7 @@ igmp_send_state_changed (vlib_main_t * vm, vlib_node_runtime_t * rt,
   igmp_clear_group (config, group);
   if (pool_elts (config->groups) == 0)
     {
-      hash_unset_mem (im->igmp_config_by_sw_if_index, &config->sw_if_index);
+      hash_unset (im->igmp_config_by_sw_if_index, config->sw_if_index);
       pool_put (im->configs, config);
     }
 }
@@ -784,8 +784,8 @@ igmp_listen (vlib_main_t * vm, u8 enable, u32 sw_if_index,
 	  config->adj_index =
 	    adj_mcast_add_or_lock (FIB_PROTOCOL_IP4, VNET_LINK_IP4,
 				   config->sw_if_index);
-	  hash_set_mem (im->igmp_config_by_sw_if_index,
-			&config->sw_if_index, config - im->configs);
+	  hash_set (im->igmp_config_by_sw_if_index,
+		    config->sw_if_index, config - im->configs);
 	}
       else if (config->cli_api_configured != cli_api_configured)
 	{
@@ -979,10 +979,8 @@ igmp_init (vlib_main_t * vm)
   int i;
   if ((error = vlib_call_init_function (vm, ip4_lookup_init)))
     return error;
-  im->igmp_config_by_sw_if_index =
-    hash_create_mem (0, sizeof (u32), sizeof (uword));
-  im->igmp_api_client_by_client_index =
-    hash_create_mem (0, sizeof (u32), sizeof (uword));
+  im->igmp_config_by_sw_if_index = hash_create (0, sizeof (u32));
+  im->igmp_api_client_by_client_index = hash_create (0, sizeof (u32));
   vec_validate_aligned (im->buffers, tm->n_vlib_mains - 1,
 			CLIB_CACHE_LINE_BYTES);
   ip4_register_protocol (IP_PROTOCOL_IGMP, igmp_input_node.index);
diff --git a/src/plugins/igmp/igmp.h b/src/plugins/igmp/igmp.h
index fc131f7843b..4f197d99bdd 100644
--- a/src/plugins/igmp/igmp.h
+++ b/src/plugins/igmp/igmp.h
@@ -405,7 +405,7 @@ igmp_config_lookup (igmp_main_t * im, u32 sw_if_index)
   uword *p;
   igmp_config_t *config = NULL;
 
-  p = hash_get_mem (im->igmp_config_by_sw_if_index, &sw_if_index);
+  p = hash_get (im->igmp_config_by_sw_if_index, sw_if_index);
   if (p)
     config = vec_elt_at_index (im->configs, p[0]);
 
diff --git a/src/plugins/igmp/igmp_api.c b/src/plugins/igmp/igmp_api.c
index 164779c3e5a..fc5ce1b6431 100644
--- a/src/plugins/igmp/igmp_api.c
+++ b/src/plugins/igmp/igmp_api.c
@@ -204,7 +204,7 @@ igmp_api_client_lookup (igmp_main_t * im, u32 client_index)
   uword *p;
   vpe_client_registration_t *api_client = NULL;
 
-  p = hash_get_mem (im->igmp_api_client_by_client_index, &client_index);
+  p = hash_get (im->igmp_api_client_by_client_index, client_index);
   if (p)
     api_client = vec_elt_at_index (im->api_clients, p[0]);
 
@@ -227,8 +227,8 @@ vl_api_want_igmp_events_t_handler (vl_api_want_igmp_events_t * mp)
 	  rv = VNET_API_ERROR_INVALID_REGISTRATION;
 	  goto done;
 	}
-      hash_unset_mem (im->igmp_api_client_by_client_index,
-		      &api_client->client_index);
+      hash_unset (im->igmp_api_client_by_client_index,
+		  api_client->client_index);
       pool_put (im->api_clients, api_client);
       goto done;
     }
@@ -238,8 +238,8 @@ vl_api_want_igmp_events_t_handler (vl_api_want_igmp_events_t * mp)
       memset (api_client, 0, sizeof (vpe_client_registration_t));
       api_client->client_index = mp->client_index;
       api_client->client_pid = mp->pid;
-      hash_set_mem (im->igmp_api_client_by_client_index,
-		    &mp->client_index, api_client - im->api_clients);
+      hash_set (im->igmp_api_client_by_client_index,
+		mp->client_index, api_client - im->api_clients);
       goto done;
     }
   rv = VNET_API_ERROR_INVALID_REGISTRATION;
@@ -265,13 +265,13 @@ want_igmp_events_reaper (u32 client_index)
   vpe_client_registration_t *api_client;
   uword *p;
 
-  p = hash_get_mem (im->igmp_api_client_by_client_index, &client_index);
+  p = hash_get (im->igmp_api_client_by_client_index, client_index);
 
   if (p)
     {
       api_client = pool_elt_at_index (im->api_clients, p[0]);
       pool_put (im->api_clients, api_client);
-      hash_unset_mem (im->igmp_api_client_by_client_index, &client_index);
+      hash_unset (im->igmp_api_client_by_client_index, client_index);
     }
   return (NULL);
 }
@@ -316,8 +316,7 @@ igmp_event (igmp_main_t * im, igmp_config_t * config, igmp_group_t * group,
       igmp_clear_group (config, group);
       if (pool_elts (config->groups) == 0)
 	{
-	  hash_unset_mem (im->igmp_config_by_sw_if_index,
-			  &config->sw_if_index);
+	  hash_unset (im->igmp_config_by_sw_if_index, config->sw_if_index);
 	  pool_put (im->configs, config);
 	}
     }