#include <linux/if_link.h>
#include <linux/netlink.h>
-#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_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_flow)
-#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_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;
+};
+
+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
+};
+
+#define ODP_DP_ATTR_MAX (__ODP_DP_ATTR_MAX - 1)
+
+/* 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. */
+};
struct odp_stats {
uint64_t n_frags; /* Number of dropped IP fragments. */
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;
};
enum odp_key_type {
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;
+ uint32_t nlmsg_flags;
+ uint32_t dp_idx;
+ uint32_t len;
+ uint32_t total_len;
};
-/* 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;
+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 {
#define ODPAT_MAX (__ODPAT_MAX - 1)
struct odp_execute {
+ uint32_t dp_idx;
+
struct nlattr *actions;
uint32_t actions_len;
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