X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fofp-util.h;h=3467366efc1671fa6abd41b2e8e74b2a9404cb9b;hb=80642190644ae6fbcf485924b1c59e67d0be8a87;hp=c5a18975590e054cf54b16fb67507a8225b23f4e;hpb=61d8d58305e7f9866a6d6c95c3a031c1bdece588;p=openvswitch diff --git a/lib/ofp-util.h b/lib/ofp-util.h index c5a18975..3467366e 100644 --- a/lib/ofp-util.h +++ b/lib/ofp-util.h @@ -26,10 +26,16 @@ struct ofpbuf; struct ofp_action_header; +/* Alignment of ofp_actions. */ +#define OFP_ACTION_ALIGN 8 + /* OpenFlow protocol utility functions. */ void *make_openflow(size_t openflow_len, uint8_t type, struct ofpbuf **); +void *make_nxmsg(size_t openflow_len, uint32_t subtype, struct ofpbuf **); void *make_openflow_xid(size_t openflow_len, uint8_t type, uint32_t xid, struct ofpbuf **); +void *make_nxmsg_xid(size_t openflow_len, uint32_t subtype, uint32_t xid, + struct ofpbuf **); void *put_openflow(size_t openflow_len, uint8_t type, struct ofpbuf *); void *put_openflow_xid(size_t openflow_len, uint8_t type, uint32_t xid, struct ofpbuf *); @@ -59,8 +65,6 @@ int check_ofp_message(const struct ofp_header *, uint8_t type, size_t size); int check_ofp_message_array(const struct ofp_header *, uint8_t type, size_t size, size_t array_elt_size, size_t *n_array_elts); -int check_ofp_packet_out(const struct ofp_header *, struct ofpbuf *data, - int *n_actions, int max_ports); struct flow_stats_iterator { const uint8_t *pos, *end; @@ -77,11 +81,14 @@ const union ofp_action *actions_first(struct actions_iterator *, size_t n_actions); const union ofp_action *actions_next(struct actions_iterator *); int validate_actions(const union ofp_action *, size_t n_actions, - int max_ports); + const struct flow *, int max_ports); bool action_outputs_to_port(const union ofp_action *, uint16_t port); void normalize_match(struct ofp_match *); char *ofp_match_to_literal_string(const struct ofp_match *match); + +int ofputil_pull_actions(struct ofpbuf *, unsigned int actions_len, + union ofp_action **, size_t *); /* OpenFlow vendors. * @@ -145,12 +152,21 @@ enum ofputil_vendor_codes { * the vendor codes can fit. */ BUILD_ASSERT_DECL(OFPUTIL_N_VENDORS <= 16); +/* These are macro versions of the functions defined below. The macro versions + * are intended for use in contexts where function calls are not allowed, + * e.g. static initializers and case labels. */ +#define OFP_MKERR(TYPE, CODE) ((1 << 30) | ((TYPE) << 16) | (CODE)) +#define OFP_MKERR_VENDOR(VENDOR, TYPE, CODE) \ + ((1 << 30) | ((VENDOR) << 26) | ((TYPE) << 16) | (CODE)) +#define OFP_MKERR_NICIRA(TYPE, CODE) \ + OFP_MKERR_VENDOR(OFPUTIL_VENDOR_NICIRA, TYPE, CODE) + /* Returns the standard OpenFlow error with the specified 'type' and 'code' as * an integer. */ static inline int ofp_mkerr(uint16_t type, uint16_t code) { - return (1 << 30) | (type << 16) | code; + return OFP_MKERR(type, code); } /* Returns the OpenFlow vendor error with the specified 'vendor', 'type', and @@ -159,7 +175,7 @@ static inline int ofp_mkerr_vendor(uint8_t vendor, uint16_t type, uint16_t code) { assert(vendor < OFPUTIL_N_VENDORS); - return (1 << 30) | (vendor << 26) | (type << 16) | code; + return OFP_MKERR_VENDOR(vendor, type, code); } /* Returns the OpenFlow vendor error with Nicira as vendor, with the specific @@ -167,7 +183,7 @@ ofp_mkerr_vendor(uint8_t vendor, uint16_t type, uint16_t code) static inline int ofp_mkerr_nicira(uint16_t type, uint16_t code) { - return ofp_mkerr_vendor(OFPUTIL_VENDOR_NICIRA, type, code); + return OFP_MKERR_NICIRA(type, code); } /* Returns true if 'error' encodes an OpenFlow standard or vendor extension