* ----------------------------------------------------------------------
*/
-/* Protocol between userspace and kernel datapath.
- *
- * Be sure to update datapath/odp-compat.h if you change any of the structures
- * in here. */
-
#ifndef OPENVSWITCH_DATAPATH_PROTOCOL_H
#define OPENVSWITCH_DATAPATH_PROTOCOL_H 1
-/* The ovs_be<N> types indicate that an object is in big-endian, not
- * native-endian, byte order. They are otherwise equivalent to uint<N>_t.
- * The Linux kernel already has __be<N> types for this, which take on
- * additional semantics when the "sparse" static checker is used, so we use
- * those types when compiling the kernel. */
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/socket.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>
\f
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. */
+ uint64_t n_flows; /* Number of flows present */
};
/* Logical ports. */
/* Kernel-to-user notifications. */
ODP_PACKET_CMD_MISS, /* Flow table miss. */
- ODP_PACKET_CMD_ACTION, /* ODPAT_CONTROLLER action. */
+ ODP_PACKET_CMD_ACTION, /* ODP_ACTION_ATTR_USERSPACE action. */
ODP_PACKET_CMD_SAMPLE, /* Sampled packet. */
/* User commands. */
* @ODP_PACKET_ATTR_PACKET: Present for all notifications. Contains the entire
* packet as received, from the start of the Ethernet header onward. For
* %ODP_PACKET_CMD_ACTION, %ODP_PACKET_ATTR_PACKET reflects changes made by
- * actions preceding %ODPAT_CONTROLLER, but %ODP_PACKET_ATTR_KEY is the flow
- * key extracted from the packet as originally received.
+ * actions preceding %ODP_ACTION_ATTR_USERSPACE, but %ODP_PACKET_ATTR_KEY is
+ * the flow key extracted from the packet as originally received.
* @ODP_PACKET_ATTR_KEY: Present for all notifications. Contains the flow key
* extracted from the packet as nested %ODP_KEY_ATTR_* attributes. This allows
* userspace to adapt its flow setup strategy by comparing its notion of the
* flow key against the kernel's.
* @ODP_PACKET_ATTR_USERDATA: Present for an %ODP_PACKET_CMD_ACTION
- * notification if the %ODPAT_CONTROLLER action's argument was nonzero.
+ * notification if the %ODP_ACTION_ATTR_USERSPACE, action's argument was
+ * nonzero.
* @ODP_PACKET_ATTR_SAMPLE_POOL: Present for %ODP_PACKET_CMD_SAMPLE. Contains
* the number of packets processed so far that were candidates for sampling.
* @ODP_PACKET_ATTR_ACTIONS: Present for %ODP_PACKET_CMD_SAMPLE. Contains a
- * copy of the actions applied to the packet, as nested %ODPAT_* attributes.
+ * copy of the actions applied to the packet, as nested %ODP_ACTION_ATTR_*
+ * attributes.
*
* These attributes follow the &struct odp_header within the Generic Netlink
* payload for %ODP_PACKET_* commands.
ODP_PACKET_ATTR_UNSPEC,
ODP_PACKET_ATTR_PACKET, /* Packet data. */
ODP_PACKET_ATTR_KEY, /* Nested ODP_KEY_ATTR_* attributes. */
- ODP_PACKET_ATTR_USERDATA, /* 64-bit data from ODPAT_CONTROLLER. */
+ ODP_PACKET_ATTR_USERDATA, /* u64 ODP_ACTION_ATTR_USERSPACE arg. */
ODP_PACKET_ATTR_SAMPLE_POOL, /* # sampling candidate packets so far. */
- ODP_PACKET_ATTR_ACTIONS, /* Nested ODPAT_* attributes. */
+ ODP_PACKET_ATTR_ACTIONS, /* Nested ODP_ACTION_ATTR_* attributes. */
__ODP_PACKET_ATTR_MAX
};
* @ODP_VPORT_ATTR_STATS: A &struct rtnl_link_stats64 giving statistics for
* packets sent or received through the vport.
* @ODP_VPORT_ATTR_ADDRESS: A 6-byte Ethernet address for the vport.
- * @ODP_VPORT_ATTR_MTU: MTU for the vport.
+ * @ODP_VPORT_ATTR_MTU: MTU for the vport. Omitted if the vport does not have
+ * an MTU as, e.g., some tunnels do not.
* @ODP_VPORT_ATTR_IFINDEX: ifindex of the underlying network device, if any.
* @ODP_VPORT_ATTR_IFLINK: ifindex of the device on which packets are sent (for
* tunnels), if any.
ODP_KEY_ATTR_8021Q, /* struct odp_key_8021q */
ODP_KEY_ATTR_ETHERTYPE, /* 16-bit Ethernet type */
ODP_KEY_ATTR_IPV4, /* struct odp_key_ipv4 */
+ ODP_KEY_ATTR_IPV6, /* struct odp_key_ipv6 */
ODP_KEY_ATTR_TCP, /* struct odp_key_tcp */
ODP_KEY_ATTR_UDP, /* struct odp_key_udp */
ODP_KEY_ATTR_ICMP, /* struct odp_key_icmp */
+ ODP_KEY_ATTR_ICMPV6, /* struct odp_key_icmpv6 */
ODP_KEY_ATTR_ARP, /* struct odp_key_arp */
+ ODP_KEY_ATTR_ND, /* struct odp_key_nd */
__ODP_KEY_ATTR_MAX
};
uint8_t ipv4_tos;
};
+struct odp_key_ipv6 {
+ ovs_be32 ipv6_src[4];
+ ovs_be32 ipv6_dst[4];
+ uint8_t ipv6_proto;
+ uint8_t ipv6_tos;
+};
+
struct odp_key_tcp {
ovs_be16 tcp_src;
ovs_be16 tcp_dst;
uint8_t icmp_code;
};
+struct odp_key_icmpv6 {
+ uint8_t icmpv6_type;
+ uint8_t icmpv6_code;
+};
+
struct odp_key_arp {
ovs_be32 arp_sip;
ovs_be32 arp_tip;
ovs_be16 arp_op;
+ uint8_t arp_sha[6];
+ uint8_t arp_tha[6];
+};
+
+struct odp_key_nd {
+ uint32_t nd_target[4];
+ uint8_t nd_sll[6];
+ uint8_t nd_tll[6];
};
/**
enum odp_flow_attr {
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_ACTIONS, /* Nested ODP_ACTION_ATTR_* 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. */
/* Action types. */
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, /* IPv4 source address. */
- ODPAT_SET_NW_DST, /* IPv4 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
+ ODP_ACTION_ATTR_UNSPEC,
+ ODP_ACTION_ATTR_OUTPUT, /* Output to switch port. */
+ ODP_ACTION_ATTR_USERSPACE, /* Send copy to userspace. */
+ ODP_ACTION_ATTR_SET_DL_TCI, /* Set the 802.1q TCI value. */
+ ODP_ACTION_ATTR_STRIP_VLAN, /* Strip the 802.1q header. */
+ ODP_ACTION_ATTR_SET_DL_SRC, /* Ethernet source address. */
+ ODP_ACTION_ATTR_SET_DL_DST, /* Ethernet destination address. */
+ ODP_ACTION_ATTR_SET_NW_SRC, /* IPv4 source address. */
+ ODP_ACTION_ATTR_SET_NW_DST, /* IPv4 destination address. */
+ ODP_ACTION_ATTR_SET_NW_TOS, /* IP ToS/DSCP field (6 bits). */
+ ODP_ACTION_ATTR_SET_TP_SRC, /* TCP/UDP source port. */
+ ODP_ACTION_ATTR_SET_TP_DST, /* TCP/UDP destination port. */
+ ODP_ACTION_ATTR_SET_TUNNEL, /* Set the encapsulating tunnel ID. */
+ ODP_ACTION_ATTR_SET_PRIORITY, /* Set skb->priority. */
+ ODP_ACTION_ATTR_POP_PRIORITY, /* Restore original skb->priority. */
+ __ODP_ACTION_ATTR_MAX
};
-#define ODPAT_MAX (__ODPAT_MAX - 1)
+#define ODP_ACTION_ATTR_MAX (__ODP_ACTION_ATTR_MAX - 1)
#endif /* openvswitch/datapath-protocol.h */