X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fopenvswitch%2Fdatapath-protocol.h;h=84c8ee230ffdb55b72d71006e7d4a48e40282bc0;hb=82272eded1ede569bcec3ba4ab212e5e3fb632ff;hp=1d68445ebffad750195c65944e41b7a163fadb51;hpb=c283069c71adc49c182a1ac569a05e2dca949eda;p=sliver-openvswitch.git diff --git a/include/openvswitch/datapath-protocol.h b/include/openvswitch/datapath-protocol.h index 1d68445eb..84c8ee230 100644 --- a/include/openvswitch/datapath-protocol.h +++ b/include/openvswitch/datapath-protocol.h @@ -70,67 +70,73 @@ #include #include -#define ODP_MAX 256 /* Maximum number of datapaths. */ - -#define ODP_DP_CREATE _IO('O', 0) -#define ODP_DP_DESTROY _IO('O', 1) -#define ODP_DP_STATS _IOW('O', 2, struct odp_stats) - -#define ODP_GET_DROP_FRAGS _IOW('O', 3, int) -#define ODP_SET_DROP_FRAGS _IOR('O', 4, int) +#define ODP_DP_NEW _IOWR('O', 0, struct odp_datapath) +#define ODP_DP_DEL _IOR('O', 1, struct odp_datapath) +#define ODP_DP_GET _IOWR('O', 2, struct odp_datapath) +#define ODP_DP_SET _IOWR('O', 3, struct odp_datapath) +#define ODP_DP_DUMP _IOWR('O', 4, struct odp_datapath) #define ODP_GET_LISTEN_MASK _IOW('O', 5, int) #define ODP_SET_LISTEN_MASK _IOR('O', 6, int) -#define ODP_VPORT_ATTACH _IOR('O', 7, struct odp_port) -#define ODP_VPORT_DETACH _IOR('O', 8, int) -#define ODP_VPORT_QUERY _IOWR('O', 9, struct odp_port) -#define ODP_VPORT_DUMP _IOWR('O', 10, struct odp_vport_dump) +#define ODP_VPORT_NEW _IOR('O', 7, struct odp_vport) +#define ODP_VPORT_DEL _IOR('O', 8, struct odp_vport) +#define ODP_VPORT_GET _IOWR('O', 9, struct odp_vport) +#define ODP_VPORT_SET _IOR('O', 22, struct odp_vport) +#define ODP_VPORT_DUMP _IOWR('O', 10, struct odp_vport) -#define ODP_FLOW_GET _IOWR('O', 13, struct odp_flowvec) -#define ODP_FLOW_PUT _IOWR('O', 14, struct odp_flow) -#define ODP_FLOW_DUMP _IOWR('O', 15, struct odp_flow_dump) -#define ODP_FLOW_FLUSH _IO('O', 16) -#define ODP_FLOW_DEL _IOWR('O', 17, struct odp_flow) +#define ODP_FLOW_NEW _IOWR('O', 13, struct odp_flow) +#define ODP_FLOW_DEL _IOWR('O', 14, struct odp_flow) +#define ODP_FLOW_GET _IOWR('O', 15, struct odp_flow) +#define ODP_FLOW_SET _IOWR('O', 16, struct odp_flow) +#define ODP_FLOW_DUMP _IOWR('O', 17, struct odp_flow) +#define ODP_FLOW_FLUSH _IO('O', 19) -#define ODP_EXECUTE _IOR('O', 18, struct odp_execute) +#define ODP_EXECUTE _IOR('O', 18, struct odp_packet) -#define ODP_SET_SFLOW_PROBABILITY _IOR('O', 19, int) -#define ODP_GET_SFLOW_PROBABILITY _IOW('O', 20, int) +/** + * struct odp_datapath - header with basic information about a datapath. + * @dp_idx: Datapath index (-1 to make a request not specific to a datapath). + * @len: Length of this structure plus the Netlink attributes following it. + * @total_len: Total space available for kernel reply to request. + * + * Followed by &struct nlattr attributes, whose types are drawn from + * %ODP_DP_ATTR_*, up to a length of @len bytes including the &struct + * odp_datapath header. + */ +struct odp_datapath { + int32_t dp_idx; + uint32_t len; + uint32_t total_len; +}; -#define ODP_VPORT_MOD _IOR('O', 22, struct odp_port) -#define ODP_VPORT_STATS_GET _IOWR('O', 24, struct odp_vport_stats_req) -#define ODP_VPORT_ETHER_GET _IOWR('O', 25, struct odp_vport_ether) -#define ODP_VPORT_ETHER_SET _IOW('O', 26, struct odp_vport_ether) -#define ODP_VPORT_MTU_GET _IOWR('O', 27, struct odp_vport_mtu) -#define ODP_VPORT_MTU_SET _IOW('O', 28, struct odp_vport_mtu) -#define ODP_VPORT_STATS_SET _IOWR('O', 29, struct odp_vport_stats_req) +enum odp_datapath_type { + ODP_DP_ATTR_UNSPEC, + ODP_DP_ATTR_NAME, /* name of dp_ifidx netdev */ + ODP_DP_ATTR_STATS, /* struct odp_stats */ + ODP_DP_ATTR_IPV4_FRAGS, /* 32-bit enum odp_frag_handling */ + ODP_DP_ATTR_SAMPLING, /* 32-bit fraction of packets to sample. */ + __ODP_DP_ATTR_MAX +}; -struct odp_stats { - /* Flows. */ - uint32_t n_flows; /* Number of flows in flow table. */ - uint32_t cur_capacity; /* Current flow table capacity. */ - uint32_t max_capacity; /* Maximum expansion of flow table capacity. */ +#define ODP_DP_ATTR_MAX (__ODP_DP_ATTR_MAX - 1) - /* Ports. */ - uint32_t n_ports; /* Current number of ports. */ - uint32_t max_ports; /* Maximum supported number of ports. */ +/* Values for ODP_DP_ATTR_IPV4_FRAGS. */ +enum odp_frag_handling { + ODP_DP_FRAG_UNSPEC, + ODP_DP_FRAG_ZERO, /* Treat IP fragments as transport port 0. */ + ODP_DP_FRAG_DROP /* Drop IP fragments. */ +}; - /* Lookups. */ +struct odp_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. */ - - /* Queues. */ - uint16_t max_miss_queue; /* Max length of ODPL_MISS queue. */ - uint16_t max_action_queue; /* Max length of ODPL_ACTION queue. */ - uint16_t max_sflow_queue; /* Max length of ODPL_SFLOW queue. */ }; /* Logical ports. */ #define ODPP_LOCAL ((uint16_t)0) -#define ODPP_NONE ((uint16_t)-1) /* Listening channels. */ #define _ODPL_MISS_NR 0 /* Packet missed in flow table. */ @@ -176,16 +182,6 @@ struct odp_packet { uint32_t len; }; -#define VPORT_CONFIG_SIZE 32 -struct odp_port { - char devname[16]; /* IFNAMSIZ */ - uint32_t type; /* One of ODP_VPORT_TYPE_*. */ - uint16_t port; - uint16_t dp_idx; - uint32_t reserved2; - __aligned_u64 config[VPORT_CONFIG_SIZE / 8]; /* type-specific */ -}; - enum odp_vport_type { ODP_VPORT_TYPE_UNSPEC, ODP_VPORT_TYPE_NETDEV, /* network device */ @@ -199,28 +195,49 @@ enum odp_vport_type { #define ODP_VPORT_TYPE_MAX (__ODP_VPORT_TYPE_MAX - 1) /** - * struct odp_vport_dump - ODP_VPORT_DUMP argument. - * @port: Points to port structure to fill in. - * @port_no: Minimum port number of interest. + * struct odp_vport - header with basic information about a virtual port. + * @dp_idx: Number of datapath to which the vport belongs. + * @len: Length of this structure plus the Netlink attributes following it. + * @total_len: Total space available for kernel reply to request. * - * Used to iterate through vports one at a time. The kernel fills in @port - * with the information for the configured port with the smallest port number - * greater than or equal to @port_no. If there is no such port, it sets - * @port->devname to the empty string. + * Followed by &struct nlattr attributes, whose types are drawn from + * %ODP_VPORT_ATTR_*, up to a length of @len bytes including the &struct + * odp_vport header. */ -struct odp_vport_dump { - struct odp_port *port; - uint32_t port_no; +struct odp_vport { + uint32_t dp_idx; + uint32_t len; + uint32_t total_len; +}; + +enum { + ODP_VPORT_ATTR_UNSPEC, + ODP_VPORT_ATTR_PORT_NO, /* port number within datapath */ + ODP_VPORT_ATTR_TYPE, /* 32-bit ODP_VPORT_TYPE_* constant. */ + ODP_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */ + ODP_VPORT_ATTR_STATS, /* struct rtnl_link_stats64 */ + ODP_VPORT_ATTR_ADDRESS, /* hardware address */ + ODP_VPORT_ATTR_MTU, /* 32-bit maximum transmission unit */ + ODP_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */ + ODP_VPORT_ATTR_IFINDEX, /* 32-bit ifindex of backing netdev */ + ODP_VPORT_ATTR_IFLINK, /* 32-bit ifindex on which packets are sent */ + __ODP_VPORT_ATTR_MAX }; +#define ODP_VPORT_ATTR_MAX (__ODP_VPORT_ATTR_MAX - 1) + +/* ODP_VPORT_ATTR_OPTIONS attributes for patch vports. */ +enum { + ODP_PATCH_ATTR_UNSPEC, + ODP_PATCH_ATTR_PEER, /* name of peer vport, as a string */ + __ODP_PATCH_ATTR_MAX +}; + +#define ODP_PATCH_ATTR_MAX (__ODP_PATCH_ATTR_MAX - 1) + struct odp_flow_stats { uint64_t n_packets; /* Number of matched packets. */ uint64_t n_bytes; /* Number of matched bytes. */ - uint64_t used_sec; /* Time last used, in system monotonic time. */ - uint32_t used_nsec; - uint8_t tcp_flags; - uint8_t reserved; - uint16_t error; /* Used by ODP_FLOW_GET. */ }; enum odp_key_type { @@ -278,49 +295,36 @@ struct odp_key_arp { ovs_be16 arp_op; }; -/* Flags for ODP_FLOW. */ -#define ODPFF_ZERO_TCP_FLAGS (1 << 0) /* Zero the TCP flags. */ -#define ODPFF_EOF (1 << 1) /* ODP_FLOW_DUMP: end of flow table. */ - +/** + * struct odp_flow - header with basic information about a flow. + * @dp_idx: Datapath index. + * @len: Length of this structure plus the Netlink attributes following it. + * @total_len: Total space available for kernel reply to request. + * + * Followed by &struct nlattr attributes, whose types are drawn from + * %ODP_FLOW_ATTR_*, up to a length of @len bytes including the &struct + * odp_flow header. + */ struct odp_flow { - struct odp_flow_stats stats; - struct nlattr *key; - uint32_t key_len; - struct nlattr *actions; - uint32_t actions_len; - uint32_t flags; -}; - -/* Flags for ODP_FLOW_PUT. */ -#define ODPPF_CREATE (1 << 0) /* Allow creating a new flow. */ -#define ODPPF_MODIFY (1 << 1) /* Allow modifying an existing flow. */ -#define ODPPF_ZERO_STATS (1 << 2) /* Zero the stats of an existing flow. */ - -/* ODP_FLOW_PUT argument. */ -struct odp_flow_put { - struct odp_flow flow; - uint32_t flags; + uint32_t nlmsg_flags; + uint32_t dp_idx; + uint32_t len; + uint32_t total_len; }; -struct odp_flowvec { - struct odp_flow *flows; - uint32_t n_flows; +enum odp_flow_type { + ODP_FLOW_ATTR_UNSPEC, + ODP_FLOW_ATTR_KEY, /* Sequence of ODP_KEY_ATTR_* attributes. */ + ODP_FLOW_ATTR_ACTIONS, /* Sequence of nested ODPAT_* attributes. */ + ODP_FLOW_ATTR_STATS, /* struct odp_flow_stats. */ + ODP_FLOW_ATTR_TCP_FLAGS, /* 8-bit OR'd TCP flags. */ + ODP_FLOW_ATTR_USED, /* u64 msecs last used in monotonic time. */ + ODP_FLOW_ATTR_CLEAR, /* Flag to clear stats, tcp_flags, used. */ + ODP_FLOW_ATTR_STATE, /* u64 state for ODP_FLOW_DUMP. */ + __ODP_FLOW_ATTR_MAX }; -/* ODP_FLOW_DUMP argument. - * - * This is used to iterate through the flow table flow-by-flow. Each - * ODP_FLOW_DUMP call either stores a new odp_flow into 'flow' or stores - * ODPFF_EOF into flow->flags to indicate that the end of the table has been - * reaches, and updates 'state' in-place. - * - * Before the first call, zero 'state'. The format of 'state' is otherwise - * unspecified. - */ -struct odp_flow_dump { - struct odp_flow *flow; - uint32_t state[2]; -}; +#define ODP_FLOW_ATTR_MAX (__ODP_FLOW_ATTR_MAX - 1) /* Action types. */ enum odp_action_type { @@ -345,39 +349,4 @@ enum odp_action_type { #define ODPAT_MAX (__ODPAT_MAX - 1) -struct odp_execute { - struct nlattr *actions; - uint32_t actions_len; - - const void *data; - uint32_t length; -}; - -#define VPORT_TYPE_SIZE 16 -struct odp_vport_add { - char port_type[VPORT_TYPE_SIZE]; - char devname[16]; /* IFNAMSIZ */ - void *config; -}; - -struct odp_vport_mod { - char devname[16]; /* IFNAMSIZ */ - void *config; -}; - -struct odp_vport_stats_req { - char devname[16]; /* IFNAMSIZ */ - struct rtnl_link_stats64 stats; -}; - -struct odp_vport_ether { - char devname[16]; /* IFNAMSIZ */ - unsigned char ether_addr[6]; -}; - -struct odp_vport_mtu { - char devname[16]; /* IFNAMSIZ */ - uint16_t mtu; -}; - #endif /* openvswitch/datapath-protocol.h */