#include <string.h>
#include <linux/openvswitch.h>
#include "hash.h"
+#include "hmap.h"
#include "openflow/openflow.h"
#include "util.h"
struct ds;
struct flow;
struct flow_tnl;
+struct flow_wildcards;
struct nlattr;
struct ofpbuf;
struct simap;
+struct pkt_metadata;
+
+#define SLOW_PATH_REASONS \
+ /* These reasons are mutually exclusive. */ \
+ SPR(SLOW_CFM, "cfm", "Consists of CFM packets") \
+ SPR(SLOW_BFD, "bfd", "Consists of BFD packets") \
+ SPR(SLOW_LACP, "lacp", "Consists of LACP packets") \
+ SPR(SLOW_STP, "stp", "Consists of STP packets") \
+ SPR(SLOW_CONTROLLER, "controller", \
+ "Sends \"packet-in\" messages to the OpenFlow controller") \
+ SPR(SLOW_ACTION, "action", \
+ "Uses action(s) not supported by datapath")
+
+/* Indexes for slow-path reasons. Client code uses "enum slow_path_reason"
+ * values instead of these, these are just a way to construct those. */
+enum {
+#define SPR(ENUM, STRING, EXPLANATION) ENUM##_INDEX,
+ SLOW_PATH_REASONS
+#undef SPR
+};
+
+/* Reasons why a subfacet might not be fast-pathable.
+ *
+ * Each reason is a separate bit to allow reasons to be combined. */
+enum slow_path_reason {
+#define SPR(ENUM, STRING, EXPLANATION) ENUM = 1 << ENUM##_INDEX,
+ SLOW_PATH_REASONS
+#undef SPR
+};
-#define OVSP_NONE UINT32_MAX
+const char *slow_path_reason_to_explanation(enum slow_path_reason);
+
+#define ODPP_LOCAL ODP_PORT_C(OVSP_LOCAL)
+#define ODPP_NONE ODP_PORT_C(UINT32_MAX)
void format_odp_actions(struct ds *, const struct nlattr *odp_actions,
size_t actions_len);
int odp_actions_from_string(const char *, const struct simap *port_names,
struct ofpbuf *odp_actions);
+/* A map from odp port number to its name. */
+struct odp_portno_names {
+ struct hmap_node hmap_node; /* A node in a port number to name hmap. */
+ odp_port_t port_no; /* Port number in the datapath. */
+ char *name; /* Name associated with the above 'port_no'. */
+};
+
+void odp_portno_names_set(struct hmap *portno_names, odp_port_t port_no,
+ char *port_name);
+void odp_portno_names_destroy(struct hmap *portno_names);
/* The maximum number of bytes that odp_flow_key_from_flow() appends to a
* buffer. This is the upper bound on the length of a nlattr-formatted flow
* key that ovs-vswitchd fully understands.
uint32_t keybuf[DIV_ROUND_UP(ODPUTIL_FLOW_KEY_BYTES, 4)];
};
+enum odp_key_fitness odp_tun_key_from_attr(const struct nlattr *,
+ struct flow_tnl *);
+
+void odp_flow_format(const struct nlattr *key, size_t key_len,
+ const struct nlattr *mask, size_t mask_len,
+ const struct hmap *portno_names, struct ds *,
+ bool verbose);
void odp_flow_key_format(const struct nlattr *, size_t, struct ds *);
-int odp_flow_key_from_string(const char *s, const struct simap *port_names,
- struct ofpbuf *);
+int odp_flow_from_string(const char *s,
+ const struct simap *port_names,
+ struct ofpbuf *, struct ofpbuf *);
-void odp_flow_key_from_flow(struct ofpbuf *, const struct flow *,
- uint32_t odp_in_port);
+void odp_flow_key_from_flow(struct ofpbuf *, const struct flow * flow,
+ const struct flow *mask, odp_port_t odp_in_port);
+void odp_flow_key_from_mask(struct ofpbuf *, const struct flow *mask,
+ const struct flow *flow, uint32_t odp_in_port,
+ size_t max_mpls_depth);
uint32_t odp_flow_key_hash(const struct nlattr *, size_t);
+/* Estimated space needed for metadata. */
+enum { ODP_KEY_METADATA_SIZE = 9 * 8 };
+void odp_key_from_pkt_metadata(struct ofpbuf *, const struct pkt_metadata *);
+void odp_key_to_pkt_metadata(const struct nlattr *key, size_t key_len,
+ struct pkt_metadata *md);
+
/* How well a kernel-provided flow key (a sequence of OVS_KEY_ATTR_*
* attributes) matches OVS userspace expectations.
*
};
enum odp_key_fitness odp_flow_key_to_flow(const struct nlattr *, size_t,
struct flow *);
+enum odp_key_fitness odp_flow_key_to_mask(const struct nlattr *key, size_t len,
+ struct flow *mask,
+ const struct flow *flow);
const char *odp_key_fitness_to_string(enum odp_key_fitness);
void commit_odp_tunnel_action(const struct flow *, struct flow *base,
struct ofpbuf *odp_actions);
-void commit_odp_actions(const struct flow *, struct flow *base,
- struct ofpbuf *odp_actions);
+enum slow_path_reason commit_odp_actions(const struct flow *,
+ struct flow *base,
+ struct ofpbuf *odp_actions,
+ struct flow_wildcards *wc);
\f
/* ofproto-dpif interface.
*
enum user_action_cookie_type {
USER_ACTION_COOKIE_UNSPEC,
- USER_ACTION_COOKIE_SFLOW, /* Packet for sFlow sampling. */
- USER_ACTION_COOKIE_SLOW_PATH /* Userspace must process this flow. */
+ USER_ACTION_COOKIE_SFLOW, /* Packet for per-bridge sFlow sampling. */
+ USER_ACTION_COOKIE_SLOW_PATH, /* Userspace must process this flow. */
+ USER_ACTION_COOKIE_FLOW_SAMPLE, /* Packet for per-flow sampling. */
+ USER_ACTION_COOKIE_IPFIX, /* Packet for per-bridge IPFIX sampling. */
};
/* user_action_cookie is passed as argument to OVS_ACTION_ATTR_USERSPACE.
uint16_t unused;
uint32_t reason; /* enum slow_path_reason. */
} slow_path;
+
+ struct {
+ uint16_t type; /* USER_ACTION_COOKIE_FLOW_SAMPLE. */
+ uint16_t probability; /* Sampling probability. */
+ uint32_t collector_set_id; /* ID of IPFIX collector set. */
+ uint32_t obs_domain_id; /* Observation Domain ID. */
+ uint32_t obs_point_id; /* Observation Point ID. */
+ } flow_sample;
+
+ struct {
+ uint16_t type; /* USER_ACTION_COOKIE_IPFIX. */
+ } ipfix;
};
-BUILD_ASSERT_DECL(sizeof(union user_action_cookie) == 8);
+BUILD_ASSERT_DECL(sizeof(union user_action_cookie) == 16);
size_t odp_put_userspace_action(uint32_t pid,
const void *userdata, size_t userdata_size,
struct ofpbuf *odp_actions);
void odp_put_tunnel_action(const struct flow_tnl *tunnel,
struct ofpbuf *odp_actions);
-void odp_put_skb_mark_action(const uint32_t skb_mark,
+void odp_put_pkt_mark_action(const uint32_t pkt_mark,
struct ofpbuf *odp_actions);
-/* Reasons why a subfacet might not be fast-pathable. */
-enum slow_path_reason {
- /* These reasons are mutually exclusive. */
- SLOW_CFM = 1 << 0, /* CFM packets need per-packet processing. */
- SLOW_LACP = 1 << 1, /* LACP packets need per-packet processing. */
- SLOW_STP = 1 << 2, /* STP packets need per-packet processing. */
- SLOW_IN_BAND = 1 << 3, /* In-band control needs every packet. */
-
- /* Mutually exclusive with SLOW_CFM, SLOW_LACP, SLOW_STP.
- * Could possibly appear with SLOW_IN_BAND. */
- SLOW_CONTROLLER = 1 << 4, /* Packets must go to OpenFlow controller. */
-
- /* This can appear on its own, or, theoretically at least, along with any
- * other combination of reasons. */
- SLOW_MATCH = 1 << 5, /* Datapath can't match specifically enough. */
-};
-
#endif /* odp-util.h */
git://git.onelab.eu / sliver-openvswitch.git / blobdiff