2 * Copyright (c) 2009, 2010 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include "xflow-util.h"
23 #include "dynamic-string.h"
30 xflow_actions_add(struct xflow_actions *actions, uint16_t type)
32 union xflow_action *a;
33 if (actions->n_actions < MAX_XFLOW_ACTIONS) {
34 a = &actions->actions[actions->n_actions++];
36 COVERAGE_INC(xflow_overflow);
37 actions->n_actions = MAX_XFLOW_ACTIONS + 1;
38 a = &actions->actions[MAX_XFLOW_ACTIONS - 1];
40 memset(a, 0, sizeof *a);
46 format_xflow_key(struct ds *ds, const struct xflow_key *key)
48 ds_put_format(ds, "tunnel%"PRIx32":in_port%04x",
49 key->tun_id, key->in_port);
51 ds_put_format(ds, ":vlan%"PRIu16":pcp%d",
52 vlan_tci_to_vid(key->dl_tci),
53 vlan_tci_to_pcp(key->dl_tci));
55 ds_put_format(ds, " mac"ETH_ADDR_FMT"->"ETH_ADDR_FMT" type%04x "
56 "proto%"PRId8" tos%"PRIu8" ip"IP_FMT"->"IP_FMT" port%d->%d",
57 ETH_ADDR_ARGS(key->dl_src), ETH_ADDR_ARGS(key->dl_dst),
58 ntohs(key->dl_type), key->nw_proto, key->nw_tos,
59 IP_ARGS(&key->nw_src), IP_ARGS(&key->nw_dst),
60 ntohs(key->tp_src), ntohs(key->tp_dst));
64 format_xflow_action(struct ds *ds, const union xflow_action *a)
68 ds_put_format(ds, "%"PRIu16, a->output.port);
70 case XFLOWAT_OUTPUT_GROUP:
71 ds_put_format(ds, "g%"PRIu16, a->output_group.group);
73 case XFLOWAT_CONTROLLER:
74 ds_put_format(ds, "ctl(%"PRIu32")", a->controller.arg);
76 case XFLOWAT_SET_TUNNEL:
77 ds_put_format(ds, "set_tunnel(0x%08"PRIx32")", ntohl(a->tunnel.tun_id));
79 case XFLOWAT_SET_DL_TCI:
80 ds_put_format(ds, "set_tci(%04"PRIx16",mask=%04"PRIx16")",
81 ntohs(a->dl_tci.tci), ntohs(a->dl_tci.mask));
83 case XFLOWAT_STRIP_VLAN:
84 ds_put_format(ds, "strip_vlan");
86 case XFLOWAT_SET_DL_SRC:
87 ds_put_format(ds, "set_dl_src("ETH_ADDR_FMT")",
88 ETH_ADDR_ARGS(a->dl_addr.dl_addr));
90 case XFLOWAT_SET_DL_DST:
91 ds_put_format(ds, "set_dl_dst("ETH_ADDR_FMT")",
92 ETH_ADDR_ARGS(a->dl_addr.dl_addr));
94 case XFLOWAT_SET_NW_SRC:
95 ds_put_format(ds, "set_nw_src("IP_FMT")",
96 IP_ARGS(&a->nw_addr.nw_addr));
98 case XFLOWAT_SET_NW_DST:
99 ds_put_format(ds, "set_nw_dst("IP_FMT")",
100 IP_ARGS(&a->nw_addr.nw_addr));
102 case XFLOWAT_SET_NW_TOS:
103 ds_put_format(ds, "set_nw_tos(%"PRIu8")", a->nw_tos.nw_tos);
105 case XFLOWAT_SET_TP_SRC:
106 ds_put_format(ds, "set_tp_src(%"PRIu16")", ntohs(a->tp_port.tp_port));
108 case XFLOWAT_SET_TP_DST:
109 ds_put_format(ds, "set_tp_dst(%"PRIu16")", ntohs(a->tp_port.tp_port));
112 ds_put_format(ds, "***bad action 0x%"PRIx16"***", a->type);
118 format_xflow_actions(struct ds *ds, const union xflow_action *actions,
122 for (i = 0; i < n_actions; i++) {
124 ds_put_char(ds, ',');
126 format_xflow_action(ds, &actions[i]);
129 ds_put_cstr(ds, "drop");
134 format_xflow_flow_stats(struct ds *ds, const struct xflow_flow_stats *s)
136 ds_put_format(ds, "packets:%llu, bytes:%llu, used:",
137 (unsigned long long int) s->n_packets,
138 (unsigned long long int) s->n_bytes);
140 long long int used = s->used_sec * 1000 + s->used_nsec / 1000000;
141 ds_put_format(ds, "%.3fs", (time_msec() - used) / 1000.0);
143 ds_put_format(ds, "never");
148 format_xflow_flow(struct ds *ds, const struct xflow_flow *f)
150 format_xflow_key(ds, &f->key);
151 ds_put_cstr(ds, ", ");
152 format_xflow_flow_stats(ds, &f->stats);
153 ds_put_cstr(ds, ", actions:");
154 format_xflow_actions(ds, f->actions, f->n_actions);
158 xflow_key_from_flow(struct xflow_key *key, const struct flow *flow)
160 key->tun_id = flow->tun_id;
161 key->nw_src = flow->nw_src;
162 key->nw_dst = flow->nw_dst;
163 key->in_port = ofp_port_to_xflow_port(flow->in_port);
164 if (flow->dl_vlan == htons(OFP_VLAN_NONE)) {
165 key->dl_tci = htons(0);
167 uint16_t vid = flow->dl_vlan & htons(VLAN_VID_MASK);
168 uint16_t pcp = htons((flow->dl_vlan_pcp << VLAN_PCP_SHIFT)
170 key->dl_tci = vid | pcp | htons(XFLOW_TCI_PRESENT);
172 key->dl_type = flow->dl_type;
173 key->tp_src = flow->tp_src;
174 key->tp_dst = flow->tp_dst;
175 memcpy(key->dl_src, flow->dl_src, ETH_ADDR_LEN);
176 memcpy(key->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
177 key->nw_proto = flow->nw_proto;
178 key->nw_tos = flow->nw_tos;
182 xflow_key_to_flow(const struct xflow_key *key, struct flow *flow)
185 flow->priority = 0xffff;
186 flow->tun_id = key->tun_id;
187 flow->nw_src = key->nw_src;
188 flow->nw_dst = key->nw_dst;
189 flow->in_port = xflow_port_to_ofp_port(key->in_port);
191 flow->dl_vlan = htons(vlan_tci_to_vid(key->dl_tci));
192 flow->dl_vlan_pcp = vlan_tci_to_pcp(key->dl_tci);
194 flow->dl_vlan = htons(OFP_VLAN_NONE);
195 flow->dl_vlan_pcp = 0;
197 flow->dl_type = key->dl_type;
198 flow->tp_src = key->tp_src;
199 flow->tp_dst = key->tp_dst;
200 memcpy(flow->dl_src, key->dl_src, ETH_ADDR_LEN);
201 memcpy(flow->dl_dst, key->dl_dst, ETH_ADDR_LEN);
202 flow->nw_proto = key->nw_proto;
203 flow->nw_tos = key->nw_tos;