* those types when compiling the kernel. */
#ifdef __KERNEL__
#include <linux/types.h>
+#include <linux/socket.h>
#define ovs_be16 __be16
#define ovs_be32 __be32
#define ovs_be64 __be64
#else
-#include <stdint.h>
-#define ovs_be16 uint16_t
-#define ovs_be32 uint32_t
-#define ovs_be64 uint64_t
+#include "openvswitch/types.h"
+#include <sys/socket.h>
#endif
+#ifndef __aligned_u64
+#define __aligned_u64 __u64 __attribute__((aligned(8)))
+#define __aligned_be64 __be64 __attribute__((aligned(8)))
+#define __aligned_le64 __le64 __attribute__((aligned(8)))
+#endif
+
+#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_GET_LISTEN_MASK _IOW('O', 5, int)
#define ODP_SET_LISTEN_MASK _IOR('O', 6, int)
-#define ODP_PORT_ATTACH _IOR('O', 7, struct odp_port)
-#define ODP_PORT_DETACH _IOR('O', 8, int)
-#define ODP_PORT_QUERY _IOWR('O', 9, struct odp_port)
-#define ODP_PORT_LIST _IOWR('O', 10, struct odp_portvec)
+#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_LIST _IOWR('O', 10, struct odp_portvec)
-#define ODP_PORT_GROUP_SET _IOR('O', 11, struct odp_port_group)
-#define ODP_PORT_GROUP_GET _IOWR('O', 12, struct odp_port_group)
-
-#define ODP_FLOW_GET _IOWR('O', 13, struct odp_flow)
+#define ODP_FLOW_GET _IOWR('O', 13, struct odp_flowvec)
#define ODP_FLOW_PUT _IOWR('O', 14, struct odp_flow)
#define ODP_FLOW_LIST _IOWR('O', 15, struct odp_flowvec)
#define ODP_FLOW_FLUSH _IO('O', 16)
#define ODP_SET_SFLOW_PROBABILITY _IOR('O', 19, int)
#define ODP_GET_SFLOW_PROBABILITY _IOW('O', 20, int)
-#define ODP_VPORT_ADD _IOR('O', 21, struct odp_vport_add)
-#define ODP_VPORT_MOD _IOR('O', 22, struct odp_vport_mod)
-#define ODP_VPORT_DEL _IO('O', 23)
+#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)
/* Ports. */
uint32_t n_ports; /* Current number of ports. */
uint32_t max_ports; /* Maximum supported number of ports. */
- uint16_t max_groups; /* Maximum number of port groups. */
- uint16_t reserved;
/* Lookups. */
uint64_t n_frags; /* Number of dropped IP fragments. */
/* Logical ports. */
#define ODPP_LOCAL ((uint16_t)0)
#define ODPP_NONE ((uint16_t)-1)
-#define ODPP_NORMAL ((uint16_t)-2)
/* Listening channels. */
#define _ODPL_MISS_NR 0 /* Packet missed in flow table. */
/**
* struct odp_msg - format of messages read from datapath fd.
- * @type: One of the %_ODPL_* constants.
* @length: Total length of message, including this header.
+ * @type: One of the %_ODPL_* constants.
* @port: Port that received the packet embedded in this message.
- * @reserved: Not currently used. Should be set to 0.
* @arg: Argument value whose meaning depends on @type.
*
* For @type == %_ODPL_MISS_NR, the header is followed by packet data. The
* encapsulated this packet. It is 0 if the packet was not received on a tunnel.
*
* For @type == %_ODPL_ACTION_NR, the header is followed by packet data. The
- * @arg member is copied from the &struct odp_action_controller that caused
- * the &struct odp_msg to be composed.
+ * @arg member is copied from the %ODPAT_CONTROLLER action that caused the
+ * &struct odp_msg to be composed.
*
* For @type == %_ODPL_SFLOW_NR, the header is followed by &struct
- * odp_sflow_sample_header, then by an array of &union odp_action (the number
- * of which is specified in &struct odp_sflow_sample_header), then by packet
+ * odp_sflow_sample_header, then by a series of Netlink attributes (whose
+ * length is specified in &struct odp_sflow_sample_header), then by packet
* data.
*/
struct odp_msg {
- uint32_t type;
uint32_t length;
+ uint16_t type;
uint16_t port;
- uint16_t reserved;
- uint32_t arg;
+ __aligned_u64 arg;
};
/**
* struct odp_sflow_sample_header - header added to sFlow sampled packet.
* @sample_pool: Number of packets that were candidates for sFlow sampling,
* regardless of whether they were actually chosen and sent down to userspace.
- * @n_actions: Number of "union odp_action"s immediately following this header.
+ * @actions_len: Number of bytes of actions immediately following this header.
*
* This header follows &struct odp_msg when that structure's @type is
- * %_ODPL_SFLOW_NR, and it is itself followed by an array of &union odp_action
- * (the number of which is specified in @n_actions) and then by packet data.
+ * %_ODPL_SFLOW_NR, and it is itself followed by a series of Netlink attributes
+ * (the number of bytes of which is specified in @actions_len) and then by
+ * packet data.
*/
struct odp_sflow_sample_header {
uint32_t sample_pool;
- uint32_t n_actions;
+ uint32_t actions_len;
};
-#define ODP_PORT_INTERNAL (1 << 0) /* This port is simulated. */
+#define VPORT_TYPE_SIZE 16
+#define VPORT_CONFIG_SIZE 32
struct odp_port {
char devname[16]; /* IFNAMSIZ */
+ char type[VPORT_TYPE_SIZE];
uint16_t port;
- uint16_t flags;
+ uint16_t reserved1;
uint32_t reserved2;
+ __aligned_u64 config[VPORT_CONFIG_SIZE / 8]; /* type-specific */
};
struct odp_portvec {
uint32_t n_ports;
};
-struct odp_port_group {
- uint16_t *ports;
- uint16_t n_ports; /* Number of ports. */
- uint16_t group; /* Group number. */
-};
-
struct odp_flow_stats {
uint64_t n_packets; /* Number of matched packets. */
uint64_t n_bytes; /* Number of matched bytes. */
uint16_t error; /* Used by ODP_FLOW_GET. */
};
+/*
+ * The datapath protocol adopts the Linux convention for TCI fields: if an
+ * 802.1Q header is present then its TCI value is used verbatim except that the
+ * CFI bit (0x1000) is always set to 1, and all-bits-zero indicates no 802.1Q
+ * header.
+ */
+#define ODP_TCI_PRESENT 0x1000 /* CFI bit */
+
struct odp_flow_key {
- ovs_be32 tun_id; /* Encapsulating tunnel ID. */
+ ovs_be64 tun_id; /* Encapsulating tunnel ID. */
ovs_be32 nw_src; /* IP source address. */
ovs_be32 nw_dst; /* IP destination address. */
uint16_t in_port; /* Input switch port. */
- ovs_be16 dl_vlan; /* Input VLAN. */
+ ovs_be16 dl_tci; /* All zeros if 802.1Q header absent,
+ * ODP_TCI_PRESENT set if present. */
ovs_be16 dl_type; /* Ethernet frame type. */
ovs_be16 tp_src; /* TCP/UDP source port. */
ovs_be16 tp_dst; /* TCP/UDP destination port. */
uint8_t dl_src[6]; /* Ethernet source address. */
uint8_t dl_dst[6]; /* Ethernet destination address. */
uint8_t nw_proto; /* IP protocol or lower 8 bits of
- ARP opcode. */
- uint8_t dl_vlan_pcp; /* Input VLAN priority. */
+ ARP opcode. */
uint8_t nw_tos; /* IP ToS (DSCP field, 6 bits). */
- uint8_t reserved[3]; /* Align to 32-bits...must be zeroed. */
};
/* Flags for ODP_FLOW. */
struct odp_flow {
struct odp_flow_stats stats;
struct odp_flow_key key;
- union odp_action *actions;
- uint32_t n_actions;
+ struct nlattr *actions;
+ uint32_t actions_len;
uint32_t flags;
};
uint32_t n_flows;
};
-/* The VLAN id is 12 bits, so we can use the entire 16 bits to indicate
- * special conditions. All ones is used to match that no VLAN id was
- * set. */
-#define ODP_VLAN_NONE 0xffff
-
/* Action types. */
-#define ODPAT_OUTPUT 0 /* Output to switch port. */
-#define ODPAT_OUTPUT_GROUP 1 /* Output to all ports in group. */
-#define ODPAT_CONTROLLER 2 /* Send copy to controller. */
-#define ODPAT_SET_VLAN_VID 3 /* Set the 802.1q VLAN id. */
-#define ODPAT_SET_VLAN_PCP 4 /* Set the 802.1q priority. */
-#define ODPAT_STRIP_VLAN 5 /* Strip the 802.1q header. */
-#define ODPAT_SET_DL_SRC 6 /* Ethernet source address. */
-#define ODPAT_SET_DL_DST 7 /* Ethernet destination address. */
-#define ODPAT_SET_NW_SRC 8 /* IP source address. */
-#define ODPAT_SET_NW_DST 9 /* IP destination address. */
-#define ODPAT_SET_NW_TOS 10 /* IP ToS/DSCP field (6 bits). */
-#define ODPAT_SET_TP_SRC 11 /* TCP/UDP source port. */
-#define ODPAT_SET_TP_DST 12 /* TCP/UDP destination port. */
-#define ODPAT_SET_TUNNEL 13 /* Set the encapsulating tunnel ID. */
-#define ODPAT_SET_PRIORITY 14 /* Set skb->priority. */
-#define ODPAT_POP_PRIORITY 15 /* Restore original skb->priority. */
-#define ODPAT_N_ACTIONS 16
-
-struct odp_action_output {
- uint16_t type; /* ODPAT_OUTPUT. */
- uint16_t port; /* Output port. */
- uint16_t reserved1;
- uint16_t reserved2;
-};
-
-struct odp_action_output_group {
- uint16_t type; /* ODPAT_OUTPUT_GROUP. */
- uint16_t group; /* Group number. */
- uint16_t reserved1;
- uint16_t reserved2;
-};
-
-struct odp_action_controller {
- uint16_t type; /* ODPAT_OUTPUT_CONTROLLER. */
- uint16_t reserved;
- uint32_t arg; /* Copied to struct odp_msg 'arg' member. */
-};
-
-struct odp_action_tunnel {
- uint16_t type; /* ODPAT_SET_TUNNEL. */
- uint16_t reserved;
- ovs_be32 tun_id; /* Tunnel ID. */
-};
-
-/* Action structure for ODPAT_SET_VLAN_VID. */
-struct odp_action_vlan_vid {
- uint16_t type; /* ODPAT_SET_VLAN_VID. */
- ovs_be16 vlan_vid; /* VLAN id. */
- uint16_t reserved1;
- uint16_t reserved2;
-};
-
-/* Action structure for ODPAT_SET_VLAN_PCP. */
-struct odp_action_vlan_pcp {
- uint16_t type; /* ODPAT_SET_VLAN_PCP. */
- uint8_t vlan_pcp; /* VLAN priority. */
- uint8_t reserved1;
- uint16_t reserved2;
- uint16_t reserved3;
-};
-
-/* Action structure for ODPAT_SET_DL_SRC/DST. */
-struct odp_action_dl_addr {
- uint16_t type; /* ODPAT_SET_DL_SRC/DST. */
- uint8_t dl_addr[6]; /* Ethernet address. */
-};
-
-/* Action structure for ODPAT_SET_NW_SRC/DST. */
-struct odp_action_nw_addr {
- uint16_t type; /* ODPAT_SET_TW_SRC/DST. */
- uint16_t reserved;
- ovs_be32 nw_addr; /* IP address. */
-};
-
-struct odp_action_nw_tos {
- uint16_t type; /* ODPAT_SET_NW_TOS. */
- uint8_t nw_tos; /* IP ToS/DSCP field (6 bits). */
- uint8_t reserved1;
- uint16_t reserved2;
- uint16_t reserved3;
-};
-
-/* Action structure for ODPAT_SET_TP_SRC/DST. */
-struct odp_action_tp_port {
- uint16_t type; /* ODPAT_SET_TP_SRC/DST. */
- ovs_be16 tp_port; /* TCP/UDP port. */
- uint16_t reserved1;
- uint16_t reserved2;
-};
-
-/* Action structure for ODPAT_SET_PRIORITY. */
-struct odp_action_priority {
- uint16_t type; /* ODPAT_SET_PRIORITY. */
- uint16_t reserved;
- uint32_t priority; /* skb->priority value. */
+enum odp_action_type {
+ ODPAT_UNSPEC,
+ ODPAT_OUTPUT, /* Output to switch port. */
+ ODPAT_CONTROLLER, /* Send copy to controller. */
+ ODPAT_SET_DL_TCI, /* Set the 802.1q TCI value. */
+ ODPAT_STRIP_VLAN, /* Strip the 802.1q header. */
+ ODPAT_SET_DL_SRC, /* Ethernet source address. */
+ ODPAT_SET_DL_DST, /* Ethernet destination address. */
+ ODPAT_SET_NW_SRC, /* IP source address. */
+ ODPAT_SET_NW_DST, /* IP destination address. */
+ ODPAT_SET_NW_TOS, /* IP ToS/DSCP field (6 bits). */
+ ODPAT_SET_TP_SRC, /* TCP/UDP source port. */
+ ODPAT_SET_TP_DST, /* TCP/UDP destination port. */
+ ODPAT_SET_TUNNEL, /* Set the encapsulating tunnel ID. */
+ ODPAT_SET_PRIORITY, /* Set skb->priority. */
+ ODPAT_POP_PRIORITY, /* Restore original skb->priority. */
+ ODPAT_DROP_SPOOFED_ARP, /* Drop ARPs with spoofed source MAC. */
+ __ODPAT_MAX
};
-union odp_action {
- uint16_t type;
- struct odp_action_output output;
- struct odp_action_output_group output_group;
- struct odp_action_controller controller;
- struct odp_action_tunnel tunnel;
- struct odp_action_vlan_vid vlan_vid;
- struct odp_action_vlan_pcp vlan_pcp;
- struct odp_action_dl_addr dl_addr;
- struct odp_action_nw_addr nw_addr;
- struct odp_action_nw_tos nw_tos;
- struct odp_action_tp_port tp_port;
- struct odp_action_priority priority;
-};
+#define ODPAT_MAX (__ODPAT_MAX - 1)
struct odp_execute {
- uint16_t in_port;
- uint16_t reserved1;
- uint32_t reserved2;
-
- union odp_action *actions;
- uint32_t n_actions;
+ struct nlattr *actions;
+ uint32_t actions_len;
const void *data;
uint32_t length;
void *config;
};
-struct odp_vport_stats {
- uint64_t rx_packets;
- uint64_t tx_packets;
- uint64_t rx_bytes;
- uint64_t tx_bytes;
- uint64_t rx_dropped;
- uint64_t tx_dropped;
- uint64_t rx_errors;
- uint64_t tx_errors;
- uint64_t rx_frame_err;
- uint64_t rx_over_err;
- uint64_t rx_crc_err;
- uint64_t collisions;
-};
-
struct odp_vport_stats_req {
char devname[16]; /* IFNAMSIZ */
- struct odp_vport_stats stats;
+ struct rtnl_link_stats64 stats;
};
struct odp_vport_ether {
*/
#define ODP_DL_TYPE_NOT_ETH_TYPE 0x05ff
-/* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
- * special conditions. All ones indicates that no VLAN id was set.
- */
-#define ODP_VLAN_NONE 0xffff
-
#endif /* openvswitch/datapath-protocol.h */