X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fodp-util.c;h=2ed551d2af9c7a911c07a12e0a0870ae0edbb5c9;hb=cdee00f;hp=d32697b7ee95e57b20602a524425dbb7bc697035;hpb=064af42167bf4fc9aaea2702d80ce08074b889c0;p=openvswitch

diff --git a/lib/odp-util.c b/lib/odp-util.c
index d32697b7..2ed551d2 100644
--- a/lib/odp-util.c
+++ b/lib/odp-util.c
@@ -1,17 +1,17 @@
 /*
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 2009, 2010 Nicira Networks.
  *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 #include <config.h>
@@ -19,91 +19,174 @@
 #include <inttypes.h>
 #include <stdlib.h>
 #include <string.h>
+#include "byte-order.h"
 #include "coverage.h"
 #include "dynamic-string.h"
 #include "flow.h"
+#include "netlink.h"
 #include "packets.h"
 #include "timeval.h"
 #include "util.h"
 
-union odp_action *
-odp_actions_add(struct odp_actions *actions, uint16_t type)
+void
+format_odp_flow_key(struct ds *ds, const struct odp_flow_key *key)
 {
-    union odp_action *a;
-    if (actions->n_actions < MAX_ODP_ACTIONS) {
-        a = &actions->actions[actions->n_actions++];
+    ds_put_format(ds, "tun_id%#"PRIx32" in_port%d tci(",
+                  ntohl(key->tun_id), key->in_port);
+    if (key->dl_tci) {
+        ds_put_format(ds, "vlan%"PRIu16",pcp%d",
+                      vlan_tci_to_vid(key->dl_tci),
+                      vlan_tci_to_pcp(key->dl_tci));
     } else {
-        COVERAGE_INC(odp_overflow);
-        actions->n_actions = MAX_ODP_ACTIONS + 1;
-        a = &actions->actions[MAX_ODP_ACTIONS - 1];
+        ds_put_char(ds, '0');
+    }
+    ds_put_format(ds, ") mac"ETH_ADDR_FMT"->"ETH_ADDR_FMT" type%04x "
+                  "proto%"PRId8" tos%"PRIu8" ip"IP_FMT"->"IP_FMT" port%d->%d",
+                  ETH_ADDR_ARGS(key->dl_src), ETH_ADDR_ARGS(key->dl_dst),
+                  ntohs(key->dl_type), key->nw_proto, key->nw_tos,
+                  IP_ARGS(&key->nw_src), IP_ARGS(&key->nw_dst),
+                  ntohs(key->tp_src), ntohs(key->tp_dst));
+}
+
+int
+odp_action_len(uint16_t type)
+{
+    if (type > ODPAT_MAX) {
+        return -1;
+    }
+
+    switch ((enum odp_action_type) type) {
+    case ODPAT_OUTPUT: return 4;
+    case ODPAT_CONTROLLER: return 4;
+    case ODPAT_SET_DL_TCI: return 2;
+    case ODPAT_STRIP_VLAN: return 0;
+    case ODPAT_SET_DL_SRC: return ETH_ADDR_LEN;
+    case ODPAT_SET_DL_DST: return ETH_ADDR_LEN;
+    case ODPAT_SET_NW_SRC: return 4;
+    case ODPAT_SET_NW_DST: return 4;
+    case ODPAT_SET_NW_TOS: return 1;
+    case ODPAT_SET_TP_SRC: return 2;
+    case ODPAT_SET_TP_DST: return 2;
+    case ODPAT_SET_TUNNEL: return 4;
+    case ODPAT_SET_PRIORITY: return 4;
+    case ODPAT_POP_PRIORITY: return 0;
+    case ODPAT_DROP_SPOOFED_ARP: return 0;
+
+    case ODPAT_UNSPEC:
+    case __ODPAT_MAX:
+        return -1;
+    }
+
+    return -1;
+}
+
+static void
+format_generic_odp_action(struct ds *ds, const struct nlattr *a)
+{
+    ds_put_format(ds, "action%"PRId16, nl_attr_type(a));
+    if (a->nla_len) {
+        const uint8_t *unspec;
+        unsigned int i;
+
+        unspec = nl_attr_get(a);
+        for (i = 0; i < a->nla_len; i++) {
+            ds_put_char(ds, i ? ' ': '(');
+            ds_put_format(ds, "%02x", unspec[i]);
+        }
+        ds_put_char(ds, ')');
     }
-    memset(a, 0, sizeof *a);
-    a->type = type;
-    return a;
 }
 
 void
-format_odp_action(struct ds *ds, const union odp_action *a)
+format_odp_action(struct ds *ds, const struct nlattr *a)
 {
-    switch (a->type) {
+    const uint8_t *eth;
+    ovs_be32 ip;
+
+    if (nl_attr_get_size(a) != odp_action_len(a->nla_len)) {
+        ds_put_format(ds, "***bad action: length is %zu, expected %d*** ",
+                      nl_attr_get_size(a), odp_action_len(a->nla_len));
+        format_generic_odp_action(ds, a);
+        return;
+    }
+
+    switch (nl_attr_type(a)) {
     case ODPAT_OUTPUT:
-        ds_put_format(ds, "%"PRIu16, a->output.port);
-        break;
-    case ODPAT_OUTPUT_GROUP:
-        ds_put_format(ds, "g%"PRIu16, a->output_group.group);
+        ds_put_format(ds, "%"PRIu16, nl_attr_get_u32(a));
         break;
     case ODPAT_CONTROLLER:
-        ds_put_format(ds, "ctl(%"PRIu32")", a->controller.arg);
+        ds_put_format(ds, "ctl(%"PRIu32")", nl_attr_get_u32(a));
         break;
-    case ODPAT_SET_VLAN_VID:
-        ds_put_format(ds, "set_vlan(%"PRIu16")", ntohs(a->vlan_vid.vlan_vid));
+    case ODPAT_SET_TUNNEL:
+        ds_put_format(ds, "set_tunnel(%#"PRIx32")",
+                      ntohl(nl_attr_get_be32(a)));
         break;
-    case ODPAT_SET_VLAN_PCP:
-        ds_put_format(ds, "set_vlan_pcp(%"PRIu8")", a->vlan_pcp.vlan_pcp);
+    case ODPAT_SET_DL_TCI:
+        ds_put_format(ds, "set_tci(vid=%"PRIu16",pcp=%d)",
+                      vlan_tci_to_vid(nl_attr_get_be16(a)),
+                      vlan_tci_to_pcp(nl_attr_get_be16(a)));
         break;
     case ODPAT_STRIP_VLAN:
         ds_put_format(ds, "strip_vlan");
         break;
     case ODPAT_SET_DL_SRC:
-        ds_put_format(ds, "set_dl_src("ETH_ADDR_FMT")",
-               ETH_ADDR_ARGS(a->dl_addr.dl_addr));
+        eth = nl_attr_get_unspec(a, ETH_ADDR_LEN);
+        ds_put_format(ds, "set_dl_src("ETH_ADDR_FMT")", ETH_ADDR_ARGS(eth));
         break;
     case ODPAT_SET_DL_DST:
-        ds_put_format(ds, "set_dl_dst("ETH_ADDR_FMT")",
-               ETH_ADDR_ARGS(a->dl_addr.dl_addr));
+        eth = nl_attr_get_unspec(a, ETH_ADDR_LEN);
+        ds_put_format(ds, "set_dl_dst("ETH_ADDR_FMT")", ETH_ADDR_ARGS(eth));
         break;
     case ODPAT_SET_NW_SRC:
-        ds_put_format(ds, "set_nw_src("IP_FMT")",
-                      IP_ARGS(&a->nw_addr.nw_addr));
+        ip = nl_attr_get_be32(a);
+        ds_put_format(ds, "set_nw_src("IP_FMT")", IP_ARGS(&ip));
         break;
     case ODPAT_SET_NW_DST:
-        ds_put_format(ds, "set_nw_dst("IP_FMT")",
-                      IP_ARGS(&a->nw_addr.nw_addr));
+        ip = nl_attr_get_be32(a);
+        ds_put_format(ds, "set_nw_dst("IP_FMT")", IP_ARGS(&ip));
+        break;
+    case ODPAT_SET_NW_TOS:
+        ds_put_format(ds, "set_nw_tos(%"PRIu8")", nl_attr_get_u8(a));
         break;
     case ODPAT_SET_TP_SRC:
-        ds_put_format(ds, "set_tp_src(%"PRIu16")", ntohs(a->tp_port.tp_port));
+        ds_put_format(ds, "set_tp_src(%"PRIu16")", ntohs(nl_attr_get_be16(a)));
         break;
     case ODPAT_SET_TP_DST:
-        ds_put_format(ds, "set_tp_dst(%"PRIu16")", ntohs(a->tp_port.tp_port));
+        ds_put_format(ds, "set_tp_dst(%"PRIu16")", ntohs(nl_attr_get_be16(a)));
+        break;
+    case ODPAT_SET_PRIORITY:
+        ds_put_format(ds, "set_priority(%#"PRIx32")", nl_attr_get_u32(a));
+        break;
+    case ODPAT_POP_PRIORITY:
+        ds_put_cstr(ds, "pop_priority");
+        break;
+    case ODPAT_DROP_SPOOFED_ARP:
+        ds_put_cstr(ds, "drop_spoofed_arp");
         break;
     default:
-        ds_put_format(ds, "***bad action %"PRIu16"***", a->type);
+        format_generic_odp_action(ds, a);
         break;
     }
 }
 
 void
-format_odp_actions(struct ds *ds, const union odp_action *actions,
-                   size_t n_actions)
+format_odp_actions(struct ds *ds, const struct nlattr *actions,
+                   unsigned int actions_len)
 {
-    size_t i;
-    for (i = 0; i < n_actions; i++) {
-        if (i) {
-            ds_put_char(ds, ',');
+    if (actions_len) {
+        const struct nlattr *a;
+        unsigned int left;
+
+        NL_ATTR_FOR_EACH (a, left, actions, actions_len) {
+            if (a != actions) {
+                ds_put_char(ds, ',');
+            }
+            format_odp_action(ds, a);
         }
-        format_odp_action(ds, &actions[i]);
-    }
-    if (!n_actions) {
+        if (left) {
+            ds_put_format(ds, " ***%u leftover bytes***", left);
+        }
+    } else {
         ds_put_cstr(ds, "drop");
     }
 }
@@ -111,8 +194,9 @@ format_odp_actions(struct ds *ds, const union odp_action *actions,
 void
 format_odp_flow_stats(struct ds *ds, const struct odp_flow_stats *s)
 {
-    ds_put_format(ds, "packets:%"PRIu64", bytes:%"PRIu64", used:",
-                  s->n_packets, s->n_bytes);
+    ds_put_format(ds, "packets:%llu, bytes:%llu, used:",
+                  (unsigned long long int) s->n_packets,
+                  (unsigned long long int) s->n_bytes);
     if (s->used_sec) {
         long long int used = s->used_sec * 1000 + s->used_nsec / 1000000;
         ds_put_format(ds, "%.3fs", (time_msec() - used) / 1000.0);
@@ -124,10 +208,44 @@ format_odp_flow_stats(struct ds *ds, const struct odp_flow_stats *s)
 void
 format_odp_flow(struct ds *ds, const struct odp_flow *f)
 {
-    flow_format(ds, &f->key);
+    format_odp_flow_key(ds, &f->key);
     ds_put_cstr(ds, ", ");
     format_odp_flow_stats(ds, &f->stats);
     ds_put_cstr(ds, ", actions:");
-    format_odp_actions(ds, f->actions, f->n_actions);
+    format_odp_actions(ds, f->actions, f->actions_len);
+}
+
+void
+odp_flow_key_from_flow(struct odp_flow_key *key, const struct flow *flow)
+{
+    key->tun_id = flow->tun_id;
+    key->nw_src = flow->nw_src;
+    key->nw_dst = flow->nw_dst;
+    key->in_port = flow->in_port;
+    key->dl_tci = flow->vlan_tci;
+    key->dl_type = flow->dl_type;
+    key->tp_src = flow->tp_src;
+    key->tp_dst = flow->tp_dst;
+    memcpy(key->dl_src, flow->dl_src, ETH_ADDR_LEN);
+    memcpy(key->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
+    key->nw_proto = flow->nw_proto;
+    key->nw_tos = flow->nw_tos;
 }
 
+void
+odp_flow_key_to_flow(const struct odp_flow_key *key, struct flow *flow)
+{
+    memset(flow->regs, 0, sizeof flow->regs);
+    flow->tun_id = key->tun_id;
+    flow->nw_src = key->nw_src;
+    flow->nw_dst = key->nw_dst;
+    flow->in_port = key->in_port;
+    flow->vlan_tci = key->dl_tci;
+    flow->dl_type = key->dl_type;
+    flow->tp_src = key->tp_src;
+    flow->tp_dst = key->tp_dst;
+    memcpy(flow->dl_src, key->dl_src, ETH_ADDR_LEN);
+    memcpy(flow->dl_dst, key->dl_dst, ETH_ADDR_LEN);
+    flow->nw_proto = key->nw_proto;
+    flow->nw_tos = key->nw_tos;
+}