datapath: Drop padding from struct odp_flow_key.
[sliver-openvswitch.git] / lib / odp-util.c
index 87ac92b..b497538 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 2009, 2010 Nicira Networks.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,18 +30,34 @@ union odp_action *
 odp_actions_add(struct odp_actions *actions, uint16_t type)
 {
     union odp_action *a;
-    if (actions->n_actions < MAX_ODP_ACTIONS) {
-        a = &actions->actions[actions->n_actions++];
-    } else {
-        COVERAGE_INC(odp_overflow);
-        actions->n_actions = MAX_ODP_ACTIONS + 1;
-        a = &actions->actions[MAX_ODP_ACTIONS - 1];
-    }
+    size_t idx;
+
+    idx = actions->n_actions++ & (MAX_ODP_ACTIONS - 1);
+    a = &actions->actions[idx];
     memset(a, 0, sizeof *a);
     a->type = type;
     return a;
 }
 
+void
+format_odp_flow_key(struct ds *ds, const struct odp_flow_key *key)
+{
+    ds_put_format(ds, "in_port%04x tci(", 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 {
+        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));
+}
+
 void
 format_odp_action(struct ds *ds, const union odp_action *a)
 {
@@ -49,17 +65,33 @@ format_odp_action(struct ds *ds, const union odp_action *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);
-        break;
     case ODPAT_CONTROLLER:
         ds_put_format(ds, "ctl(%"PRIu32")", a->controller.arg);
         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(0x%08"PRIx32")", ntohl(a->tunnel.tun_id));
         break;
-    case ODPAT_SET_VLAN_PCP:
-        ds_put_format(ds, "set_vlan_pcp(%"PRIu8")", a->vlan_pcp.vlan_pcp);
+    case ODPAT_SET_DL_TCI: {
+        int vid = vlan_tci_to_vid(a->dl_tci.tci);
+        int pcp = vlan_tci_to_pcp(a->dl_tci.tci);
+
+        ds_put_cstr(ds, "set_tci(");
+        switch (ntohs(a->dl_tci.mask)) {
+        case VLAN_VID_MASK:
+            ds_put_format(ds, "set_tci(vlan=%d)", vid);
+            break;
+        case VLAN_PCP_MASK:
+            ds_put_format(ds, "set_tci(pcp=%d)", pcp);
+            break;
+        case VLAN_VID_MASK | VLAN_PCP_MASK:
+            ds_put_format(ds, "set_tci(vlan=%d,pcp=%d)", vid, pcp);
+            break;
+        default:
+            ds_put_format(ds, "set_tci(tci=%04"PRIx16",mask=%04"PRIx16")",
+                          ntohs(a->dl_tci.tci), ntohs(a->dl_tci.mask));
+            break;
+        }
+    }
         break;
     case ODPAT_STRIP_VLAN:
         ds_put_format(ds, "strip_vlan");
@@ -89,8 +121,17 @@ format_odp_action(struct ds *ds, const union odp_action *a)
     case ODPAT_SET_TP_DST:
         ds_put_format(ds, "set_tp_dst(%"PRIu16")", ntohs(a->tp_port.tp_port));
         break;
+    case ODPAT_SET_PRIORITY:
+        ds_put_format(ds, "set_priority(0x%"PRIx32")", a->priority.priority);
+        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);
+        ds_put_format(ds, "***bad action 0x%"PRIx16"***", a->type);
         break;
     }
 }
@@ -128,10 +169,56 @@ 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);
 }
+\f
+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;
+    if (flow->dl_vlan == htons(OFP_VLAN_NONE)) {
+        key->dl_tci = htons(0);
+    } else {
+        uint16_t vid = flow->dl_vlan & htons(VLAN_VID_MASK);
+        uint16_t pcp = htons((flow->dl_vlan_pcp << VLAN_PCP_SHIFT)
+                             & VLAN_PCP_MASK);
+        key->dl_tci = vid | pcp | htons(ODP_TCI_PRESENT);
+    }
+    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)
+{
+    flow->tun_id = key->tun_id;
+    flow->nw_src = key->nw_src;
+    flow->nw_dst = key->nw_dst;
+    flow->in_port = key->in_port;
+    if (key->dl_tci) {
+        flow->dl_vlan = htons(vlan_tci_to_vid(key->dl_tci));
+        flow->dl_vlan_pcp = vlan_tci_to_pcp(key->dl_tci);
+    } else {
+        flow->dl_vlan = htons(OFP_VLAN_NONE);
+        flow->dl_vlan_pcp = 0;
+    }
+    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;
+}