X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fdpif.h;h=1496c227f3c63e8f842d6cad1dab43ba928cbce6;hb=refs%2Fheads%2Flts-1.0a;hp=216c0996931484cbb16013f5e41f3342ea9c183b;hpb=576e26d7b47f4e53116ef0b5f035d260f426d37b;p=sliver-openvswitch.git diff --git a/lib/dpif.h b/lib/dpif.h index 216c09969..1496c227f 100644 --- a/lib/dpif.h +++ b/lib/dpif.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009 Nicira Networks. + * Copyright (c) 2008, 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. @@ -18,28 +18,39 @@ #ifndef DPIF_H #define DPIF_H 1 -/* Operations for the datapath running in the local kernel. The interface can - * generalize to multiple types of local datapaths, but the implementation only - * supports the openflow kernel module. */ - -#include "openvswitch/datapath-protocol.h" #include #include #include +#include "openflow/openflow.h" +#include "openvswitch/datapath-protocol.h" +#include "util.h" + +#ifdef __cplusplus +extern "C" { +#endif struct dpif; struct ofpbuf; struct svec; +struct dpif_class; void dp_run(void); void dp_wait(void); -int dp_enumerate(struct svec *); -int dpif_open(const char *name, struct dpif **); -int dpif_create(const char *name, struct dpif **); +int dp_register_provider(const struct dpif_class *); +int dp_unregister_provider(const char *type); +void dp_enumerate_types(struct svec *types); + +int dp_enumerate_names(const char *type, struct svec *names); +void dp_parse_name(const char *datapath_name, char **name, char **type); + +int dpif_open(const char *name, const char *type, struct dpif **); +int dpif_create(const char *name, const char *type, struct dpif **); +int dpif_create_and_open(const char *name, const char *type, struct dpif **); void dpif_close(struct dpif *); const char *dpif_name(const struct dpif *); +const char *dpif_base_name(const struct dpif *); int dpif_get_all_names(const struct dpif *, struct svec *); int dpif_delete(struct dpif *); @@ -81,8 +92,18 @@ int dpif_execute(struct dpif *, uint16_t in_port, const union odp_action[], size_t n_actions, const struct ofpbuf *); +/* Minimum number of bytes of headroom for a packet returned by dpif_recv() + * member function. This headroom allows "struct odp_msg" to be replaced by + * "struct ofp_packet_in" without copying the buffer. */ +#define DPIF_RECV_MSG_PADDING (sizeof(struct ofp_packet_in) \ + - sizeof(struct odp_msg)) +BUILD_ASSERT_DECL(sizeof(struct ofp_packet_in) > sizeof(struct odp_msg)); +BUILD_ASSERT_DECL(DPIF_RECV_MSG_PADDING % 4 == 0); + int dpif_recv_get_mask(const struct dpif *, int *listen_mask); int dpif_recv_set_mask(struct dpif *, int listen_mask); +int dpif_get_sflow_probability(const struct dpif *, uint32_t *probability); +int dpif_set_sflow_probability(struct dpif *, uint32_t probability); int dpif_recv(struct dpif *, struct ofpbuf **); int dpif_recv_purge(struct dpif *); void dpif_recv_wait(struct dpif *); @@ -90,4 +111,11 @@ void dpif_recv_wait(struct dpif *); void dpif_get_netflow_ids(const struct dpif *, uint8_t *engine_type, uint8_t *engine_id); +int dpif_queue_to_priority(const struct dpif *, uint32_t queue_id, + uint32_t *priority); + +#ifdef __cplusplus +} +#endif + #endif /* dpif.h */