X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=lib%2Fdpif-provider.h;h=8cdedcd11bfababfbdd09a08507b7b7b686b3db9;hb=5fa270099ab418ed0063144777ec76716dd3a207;hp=58d2f0b6d9af8f019270e40800d9a4b8bec5b95f;hpb=80e5eed9c2128f04a1d7da134120d96e961dbe10;p=openvswitch diff --git a/lib/dpif-provider.h b/lib/dpif-provider.h index 58d2f0b6..8cdedcd1 100644 --- a/lib/dpif-provider.h +++ b/lib/dpif-provider.h @@ -108,7 +108,7 @@ struct dpif_class { void (*wait)(struct dpif *dpif); /* Retrieves statistics for 'dpif' into 'stats'. */ - int (*get_stats)(const struct dpif *dpif, struct odp_stats *stats); + int (*get_stats)(const struct dpif *dpif, struct dpif_dp_stats *stats); /* Retrieves 'dpif''s current treatment of IP fragments into '*drop_frags': * true indicates that fragments are dropped, false indicates that @@ -142,6 +142,18 @@ struct dpif_class { * actions. */ int (*get_max_ports)(const struct dpif *dpif); + /* Returns the Netlink PID value to supply in OVS_ACTION_ATTR_USERSPACE + * actions as the OVS_USERSPACE_ATTR_PID attribute's value, for use in + * flows whose packets arrived on port 'port_no'. + * + * The return value only needs to be meaningful when DPIF_UC_ACTION has + * been enabled in the 'dpif''s listen mask, and it is allowed to change + * when DPIF_UC_ACTION is disabled and then re-enabled. + * + * A dpif provider that doesn't have meaningful Netlink PIDs can use NULL + * for this function. This is equivalent to always returning 0. */ + uint32_t (*port_get_pid)(const struct dpif *dpif, uint16_t port_no); + /* Attempts to begin dumping the ports in a dpif. On success, returns 0 * and initializes '*statep' with any data needed for iteration. On * failure, returns a positive errno value. */ @@ -190,7 +202,7 @@ struct dpif_class { void (*port_poll_wait)(const struct dpif *dpif); /* Queries 'dpif' for a flow entry. The flow is specified by the Netlink - * attributes with types ODP_KEY_ATTR_* in the 'key_len' bytes starting at + * attributes with types OVS_KEY_ATTR_* in the 'key_len' bytes starting at * 'key'. * * Returns 0 if successful. If no flow matches, returns ENOENT. On other @@ -208,9 +220,9 @@ struct dpif_class { struct ofpbuf **actionsp, struct dpif_flow_stats *stats); /* Adds or modifies a flow in 'dpif'. The flow is specified by the Netlink - * attributes with types ODP_KEY_ATTR_* in the 'key_len' bytes starting at + * attributes with types OVS_KEY_ATTR_* in the 'key_len' bytes starting at * 'key'. The associated actions are specified by the Netlink attributes - * with types ODP_ACTION_ATTR_* in the 'actions_len' bytes starting at + * with types OVS_ACTION_ATTR_* in the 'actions_len' bytes starting at * 'actions'. * * - If the flow's key does not exist in 'dpif', then the flow will be @@ -235,7 +247,7 @@ struct dpif_class { /* Deletes a flow from 'dpif' and returns 0, or returns ENOENT if 'dpif' * does not contain such a flow. The flow is specified by the Netlink - * attributes with types ODP_KEY_ATTR_* in the 'key_len' bytes starting at + * attributes with types OVS_KEY_ATTR_* in the 'key_len' bytes starting at * 'key'. * * If the operation succeeds, then 'stats', if nonnull, must be set to the @@ -262,10 +274,10 @@ struct dpif_class { * 'flow_dump_done' function will be called afterward). * * On success, if 'key' and 'key_len' are nonnull then '*key' and - * '*key_len' must be set to Netlink attributes with types ODP_KEY_ATTR_* + * '*key_len' must be set to Netlink attributes with types OVS_KEY_ATTR_* * representing the dumped flow's key. If 'actions' and 'actions_len' are * nonnull then they should be set to Netlink attributes with types - * ODP_ACTION_ATTR_* representing the dumped flow's actions. If 'stats' + * OVS_ACTION_ATTR_* representing the dumped flow's actions. If 'stats' * is nonnull then it should be set to the dumped flow's statistics. * * All of the returned data is owned by 'dpif', not by the caller, and the @@ -300,30 +312,15 @@ struct dpif_class { /* Sets 'dpif''s "listen mask" to 'listen_mask'. A 1-bit of value 2**X set * in '*listen_mask' requests that 'dpif' will receive messages of the type * (from "enum dpif_upcall_type") with value X when its 'recv' function is - * called. */ - int (*recv_set_mask)(struct dpif *dpif, int listen_mask); - - /* Retrieves 'dpif''s sFlow sampling probability into '*probability'. - * Return value is 0 or a positive errno value. EOPNOTSUPP indicates that - * the datapath does not support sFlow, as does a null pointer. - * - * '*probability' is expressed as the number of packets out of UINT_MAX to - * sample, e.g. probability/UINT_MAX is the probability of sampling a given - * packet. */ - int (*get_sflow_probability)(const struct dpif *dpif, - uint32_t *probability); - - /* Sets 'dpif''s sFlow sampling probability to 'probability'. Return value - * is 0 or a positive errno value. EOPNOTSUPP indicates that the datapath - * does not support sFlow, as does a null pointer. + * called. * - * 'probability' is expressed as the number of packets out of UINT_MAX to - * sample, e.g. probability/UINT_MAX is the probability of sampling a given - * packet. */ - int (*set_sflow_probability)(struct dpif *dpif, uint32_t probability); + * Turning DPIF_UC_ACTION off and then back on is allowed to change Netlink + * PID assignments (see ->port_get_pid()). The client is responsible for + * updating flows as necessary if it does this. */ + int (*recv_set_mask)(struct dpif *dpif, int listen_mask); /* Translates OpenFlow queue ID 'queue_id' (in host byte order) into a - * priority value for use in the ODP_ACTION_ATTR_SET_PRIORITY action in + * priority value for use in the OVS_ACTION_ATTR_SET_PRIORITY action in * '*priority'. */ int (*queue_to_priority)(const struct dpif *dpif, uint32_t queue_id, uint32_t *priority);