dpif: Add new dpif_port_exists() function.

[openvswitch] / lib / dpif.h

diff --git a/lib/dpif.h b/lib/dpif.h
index 404c05a1cf683cf4f77346c78ceb4b23c0067c8d..bd6095acf2dd14f39ae7d0da12076e3d704444b7 100644 (file)
--- a/lib/dpif.h
+++ b/lib/dpif.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -40,6 +40,7 @@ struct dpif_class;
 
 int dp_register_provider(const struct dpif_class *);
 int dp_unregister_provider(const char *type);
+void dp_blacklist_provider(const char *type);
 void dp_enumerate_types(struct sset *types);
 const char *dpif_normalize_type(const char *);
 
@@ -59,9 +60,8 @@ const char *dpif_base_name(const struct dpif *);
 
 int dpif_delete(struct dpif *);
 
-/* Statisticss for a dpif as a whole. */
+/* Statistics for a dpif as a whole. */
 struct dpif_dp_stats {
-    uint64_t n_frags;           /* Number of dropped IP fragments. */
     uint64_t n_hit;             /* Number of flow table matches. */
     uint64_t n_missed;          /* Number of flow table misses. */
     uint64_t n_lost;            /* Number of misses not sent to userspace. */
@@ -69,13 +69,11 @@ struct dpif_dp_stats {
 };
 int dpif_get_dp_stats(const struct dpif *, struct dpif_dp_stats *);
 
-int dpif_get_drop_frags(const struct dpif *, bool *drop_frags);
-int dpif_set_drop_frags(struct dpif *, bool drop_frags);
 \f
 /* Port operations. */
 
-int dpif_port_add(struct dpif *, struct netdev *, uint16_t *port_nop);
-int dpif_port_del(struct dpif *, uint16_t port_no);
+int dpif_port_add(struct dpif *, struct netdev *, uint32_t *port_nop);
+int dpif_port_del(struct dpif *, uint32_t port_no);
 
 /* A port within a datapath.
  *
@@ -87,14 +85,15 @@ struct dpif_port {
 };
 void dpif_port_clone(struct dpif_port *, const struct dpif_port *);
 void dpif_port_destroy(struct dpif_port *);
-int dpif_port_query_by_number(const struct dpif *, uint16_t port_no,
+bool dpif_port_exists(const struct dpif *dpif, const char *devname);
+int dpif_port_query_by_number(const struct dpif *, uint32_t port_no,
                               struct dpif_port *);
 int dpif_port_query_by_name(const struct dpif *, const char *devname,
                             struct dpif_port *);
-int dpif_port_get_name(struct dpif *, uint16_t port_no,
+int dpif_port_get_name(struct dpif *, uint32_t port_no,
                        char *name, size_t name_size);
 int dpif_get_max_ports(const struct dpif *);
-uint32_t dpif_port_get_pid(const struct dpif *, uint16_t port_no);
+uint32_t dpif_port_get_pid(const struct dpif *, uint32_t port_no);
 
 struct dpif_port_dump {
     const struct dpif *dpif;
@@ -130,8 +129,8 @@ struct dpif_flow_stats {
     uint8_t tcp_flags;
 };
 
-void dpif_flow_stats_extract(const struct flow *, struct ofpbuf *packet,
-                             struct dpif_flow_stats *);
+void dpif_flow_stats_extract(const struct flow *, const struct ofpbuf *packet,
+                             long long int used, struct dpif_flow_stats *);
 void dpif_flow_stats_format(const struct dpif_flow_stats *, struct ds *);
 
 enum dpif_flow_put_flags {
@@ -179,12 +178,11 @@ int dpif_execute(struct dpif *,
 
 enum dpif_op_type {
     DPIF_OP_FLOW_PUT = 1,
-    DPIF_OP_EXECUTE
+    DPIF_OP_FLOW_DEL,
+    DPIF_OP_EXECUTE,
 };
 
 struct dpif_flow_put {
-    enum dpif_op_type type;         /* Always DPIF_OP_FLOW_PUT. */
-
     /* Input. */
     enum dpif_flow_put_flags flags; /* DPIF_FP_*. */
     const struct nlattr *key;       /* Flow to put. */
@@ -194,30 +192,36 @@ struct dpif_flow_put {
 
     /* Output. */
     struct dpif_flow_stats *stats;  /* Optional flow statistics. */
-    int error;                      /* 0 or positive errno value. */
 };
 
-struct dpif_execute {
-    enum dpif_op_type type;         /* Always DPIF_OP_EXECUTE. */
-
+struct dpif_flow_del {
     /* Input. */
+    const struct nlattr *key;       /* Flow to delete. */
+    size_t key_len;                 /* Length of 'key' in bytes. */
+
+    /* Output. */
+    struct dpif_flow_stats *stats;  /* Optional flow statistics. */
+};
+
+struct dpif_execute {
     const struct nlattr *key;       /* Partial flow key (only for metadata). */
     size_t key_len;                 /* Length of 'key' in bytes. */
     const struct nlattr *actions;   /* Actions to execute on packet. */
     size_t actions_len;             /* Length of 'actions' in bytes. */
     const struct ofpbuf *packet;    /* Packet to execute. */
-
-    /* Output. */
-    int error;                      /* 0 or positive errno value. */
 };
 
-union dpif_op {
+struct dpif_op {
     enum dpif_op_type type;
-    struct dpif_flow_put flow_put;
-    struct dpif_execute execute;
+    int error;
+    union {
+        struct dpif_flow_put flow_put;
+        struct dpif_flow_del flow_del;
+        struct dpif_execute execute;
+    } u;
 };
 
-void dpif_operate(struct dpif *, union dpif_op **ops, size_t n_ops);
+void dpif_operate(struct dpif *, struct dpif_op **ops, size_t n_ops);
 \f
 /* Upcalls. */
 
@@ -247,9 +251,8 @@ struct dpif_upcall {
     uint64_t userdata;          /* Argument to OVS_ACTION_ATTR_USERSPACE. */
 };
 
-int dpif_recv_get_mask(const struct dpif *, int *listen_mask);
-int dpif_recv_set_mask(struct dpif *, int listen_mask);
-int dpif_recv(struct dpif *, struct dpif_upcall *);
+int dpif_recv_set(struct dpif *, bool enable);
+int dpif_recv(struct dpif *, struct dpif_upcall *, struct ofpbuf *);
 void dpif_recv_purge(struct dpif *);
 void dpif_recv_wait(struct dpif *);
 \f