X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fofp-util.c;h=ffdccda43ef1f0d5f7de19dbbe0fc6641137ae34;hb=dd1ba5b3f4425c8eba008d1a93b044da63466812;hp=ed98251e1610bdd3ec3304ba99ea1aadd279f449;hpb=f27f21341ab42ad0e898d6c0e1bd4e98af82afda;p=openvswitch diff --git a/lib/ofp-util.c b/lib/ofp-util.c index ed98251e..ffdccda4 100644 --- a/lib/ofp-util.c +++ b/lib/ofp-util.c @@ -400,6 +400,10 @@ ofputil_decode_vendor(const struct ofp_header *oh, size_t length, { OFPUTIL_NXT_FLOW_AGE, OFP10_VERSION, NXT_FLOW_AGE, "NXT_FLOW_AGE", sizeof(struct nicira_header), 0 }, + + { OFPUTIL_NXT_SET_ASYNC_CONFIG, OFP10_VERSION, + NXT_SET_ASYNC_CONFIG, "NXT_SET_ASYNC_CONFIG", + sizeof(struct nx_async_config), 0 }, }; static const struct ofputil_msg_category nxt_category = { @@ -1780,6 +1784,70 @@ ofputil_encode_packet_in(const struct ofputil_packet_in *pin, return packet; } +enum ofperr +ofputil_decode_packet_out(struct ofputil_packet_out *po, + const struct ofp_packet_out *opo) +{ + enum ofperr error; + struct ofpbuf b; + + po->buffer_id = ntohl(opo->buffer_id); + po->in_port = ntohs(opo->in_port); + if (po->in_port >= OFPP_MAX && po->in_port != OFPP_LOCAL + && po->in_port != OFPP_NONE) { + VLOG_WARN_RL(&bad_ofmsg_rl, "packet-out has bad input port %#"PRIx16, + po->in_port); + return OFPERR_NXBRC_BAD_IN_PORT; + } + + ofpbuf_use_const(&b, opo, ntohs(opo->header.length)); + ofpbuf_pull(&b, sizeof *opo); + + error = ofputil_pull_actions(&b, ntohs(opo->actions_len), + &po->actions, &po->n_actions); + if (error) { + return error; + } + + if (po->buffer_id == UINT32_MAX) { + po->packet = b.data; + po->packet_len = b.size; + } else { + po->packet = NULL; + po->packet_len = 0; + } + + return 0; +} + +struct ofpbuf * +ofputil_encode_packet_out(const struct ofputil_packet_out *po) +{ + struct ofp_packet_out *opo; + size_t actions_len; + struct ofpbuf *msg; + size_t size; + + actions_len = po->n_actions * sizeof *po->actions; + size = sizeof *opo + actions_len; + if (po->buffer_id == UINT32_MAX) { + size += po->packet_len; + } + + msg = ofpbuf_new(size); + opo = put_openflow(sizeof *opo, OFPT_PACKET_OUT, msg); + opo->buffer_id = htonl(po->buffer_id); + opo->in_port = htons(po->in_port); + opo->actions_len = htons(actions_len); + ofpbuf_put(msg, po->actions, actions_len); + if (po->buffer_id == UINT32_MAX) { + ofpbuf_put(msg, po->packet, po->packet_len); + } + update_openflow_length(msg); + + return msg; +} + /* Returns a string representing the message type of 'type'. The string is the * enumeration constant for the type, e.g. "OFPT_HELLO". For statistics * messages, the constant is followed by "request" or "reply", @@ -2158,59 +2226,6 @@ make_packet_in(uint32_t buffer_id, uint16_t in_port, uint8_t reason, return buf; } -struct ofpbuf * -make_packet_out(const struct ofpbuf *packet, uint32_t buffer_id, - uint16_t in_port, - const struct ofp_action_header *actions, size_t n_actions) -{ - size_t actions_len = n_actions * sizeof *actions; - struct ofp_packet_out *opo; - size_t size = sizeof *opo + actions_len + (packet ? packet->size : 0); - struct ofpbuf *out = ofpbuf_new(size); - - opo = ofpbuf_put_uninit(out, sizeof *opo); - opo->header.version = OFP_VERSION; - opo->header.type = OFPT_PACKET_OUT; - opo->header.length = htons(size); - opo->header.xid = htonl(0); - opo->buffer_id = htonl(buffer_id); - opo->in_port = htons(in_port); - opo->actions_len = htons(actions_len); - ofpbuf_put(out, actions, actions_len); - if (packet) { - ofpbuf_put(out, packet->data, packet->size); - } - return out; -} - -struct ofpbuf * -make_unbuffered_packet_out(const struct ofpbuf *packet, - uint16_t in_port, uint16_t out_port) -{ - struct ofp_action_output action; - action.type = htons(OFPAT_OUTPUT); - action.len = htons(sizeof action); - action.port = htons(out_port); - return make_packet_out(packet, UINT32_MAX, in_port, - (struct ofp_action_header *) &action, 1); -} - -struct ofpbuf * -make_buffered_packet_out(uint32_t buffer_id, - uint16_t in_port, uint16_t out_port) -{ - if (out_port != OFPP_NONE) { - struct ofp_action_output action; - action.type = htons(OFPAT_OUTPUT); - action.len = htons(sizeof action); - action.port = htons(out_port); - return make_packet_out(NULL, buffer_id, in_port, - (struct ofp_action_header *) &action, 1); - } else { - return make_packet_out(NULL, buffer_id, in_port, NULL, 0); - } -} - /* Creates and returns an OFPT_ECHO_REQUEST message with an empty payload. */ struct ofpbuf * make_echo_request(void) @@ -2237,6 +2252,15 @@ make_echo_reply(const struct ofp_header *rq) return out; } +struct ofpbuf * +ofputil_encode_barrier_request(void) +{ + struct ofpbuf *msg; + + make_openflow(sizeof(struct ofp_header), OFPT_BARRIER_REQUEST, &msg); + return msg; +} + const char * ofputil_frag_handling_to_string(enum ofp_config_flags flags) { @@ -2484,6 +2508,7 @@ validate_actions(const union ofp_action *actions, size_t n_actions, case OFPUTIL_NXAST_SET_TUNNEL64: case OFPUTIL_NXAST_EXIT: case OFPUTIL_NXAST_DEC_TTL: + case OFPUTIL_NXAST_FIN_TIMEOUT: break; }