X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fdpif-provider.h;h=9a495443bf463b504da5c97f38ad8aa07bc328bd;hb=77909859b05f0d2466069883306e8d75d280bbe7;hp=020e017cda7d9325c18662618f6d4b6e10f7104d;hpb=f20279afbdcd101c4fb808ab73e176f9783b14d6;p=sliver-openvswitch.git diff --git a/lib/dpif-provider.h b/lib/dpif-provider.h index 020e017cd..9a495443b 100644 --- a/lib/dpif-provider.h +++ b/lib/dpif-provider.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009 Nicira Networks. + * Copyright (c) 2009, 2010 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -28,7 +28,8 @@ * This structure should be treated as opaque by dpif implementations. */ struct dpif { const struct dpif_class *class; - char *name; + char *base_name; + char *full_name; uint8_t netflow_engine_type; uint8_t netflow_engine_id; }; @@ -52,15 +53,11 @@ static inline void dpif_assert_class(const struct dpif *dpif, * EWOULDBLOCK or EINPROGRESS. We may relax this requirement in the future if * and when we encounter performance problems. */ struct dpif_class { - /* Prefix for names of dpifs in this class, e.g. "netdev:". + /* Type of dpif in this class, e.g. "system", "netdev", etc. * - * One dpif class may have the empty string "" as its prefix, in which case - * that dpif class is associated with dpif names that don't match any other - * class name. */ - const char *prefix; - - /* Class name, for use in error messages. */ - const char *name; + * One of the providers should supply a "system" type, since this is + * the type assumed if no type is specified when opening a dpif. */ + const char *type; /* Performs periodic work needed by dpifs of this class, if any is * necessary. */ @@ -81,16 +78,14 @@ struct dpif_class { * case this function may be a null pointer. */ int (*enumerate)(struct svec *all_dps); - /* Attempts to open an existing dpif, if 'create' is false, or to open an - * existing dpif or create a new one, if 'create' is true. 'name' is the - * full dpif name provided by the user, e.g. "udatapath:/var/run/mypath". - * This name is useful for error messages but must not be modified. - * - * 'suffix' is a copy of 'name' following the dpif's 'prefix'. + /* Attempts to open an existing dpif called 'name', if 'create' is false, + * or to open an existing dpif or create a new one, if 'create' is true. + * 'type' corresponds to the 'type' field used in the dpif_class + * structure. * * If successful, stores a pointer to the new dpif in '*dpifp'. On failure * there are no requirements on what is stored in '*dpifp'. */ - int (*open)(const char *name, char *suffix, bool create, + int (*open)(const char *name, const char *type, bool create, struct dpif **dpifp); /* Closes 'dpif' and frees associated memory. */