X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fodp-util.c;h=08823e276d2e1e806b3fe7337a124f9bc1f991a1;hb=6694e498efc445ec24ef1715ae03ebb43daa678f;hp=901dac3b4c80cba5649ff5a58af604632fde2127;hpb=6e9bea4da975729edf650c94430a02cc0518e383;p=openvswitch

diff --git a/lib/odp-util.c b/lib/odp-util.c
index 901dac3b..08823e27 100644
--- a/lib/odp-util.c
+++ b/lib/odp-util.c
@@ -93,6 +93,8 @@ ovs_key_attr_to_string(enum ovs_key_attr attr)
     case OVS_KEY_ATTR_UNSPEC: return "unspec";
     case OVS_KEY_ATTR_ENCAP: return "encap";
     case OVS_KEY_ATTR_PRIORITY: return "priority";
+    case OVS_KEY_ATTR_TUN_ID: return "tun_id";
+    case OVS_KEY_ATTR_IPV4_TUNNEL: return "ipv4_tunnel";
     case OVS_KEY_ATTR_IN_PORT: return "in_port";
     case OVS_KEY_ATTR_ETHERNET: return "eth";
     case OVS_KEY_ATTR_VLAN: return "vlan";
@@ -105,7 +107,6 @@ ovs_key_attr_to_string(enum ovs_key_attr attr)
     case OVS_KEY_ATTR_ICMPV6: return "icmpv6";
     case OVS_KEY_ATTR_ARP: return "arp";
     case OVS_KEY_ATTR_ND: return "nd";
-    case OVS_KEY_ATTR_TUN_ID: return "tun_id";
 
     case __OVS_KEY_ATTR_MAX:
     default:
@@ -602,6 +603,7 @@ odp_flow_key_attr_len(uint16_t type)
     case OVS_KEY_ATTR_ENCAP: return -2;
     case OVS_KEY_ATTR_PRIORITY: return 4;
     case OVS_KEY_ATTR_TUN_ID: return 8;
+    case OVS_KEY_ATTR_IPV4_TUNNEL: return sizeof(struct ovs_key_ipv4_tunnel);
     case OVS_KEY_ATTR_IN_PORT: return 4;
     case OVS_KEY_ATTR_ETHERNET: return sizeof(struct ovs_key_ethernet);
     case OVS_KEY_ATTR_VLAN: return sizeof(ovs_be16);
@@ -668,6 +670,7 @@ format_odp_key_attr(const struct nlattr *a, struct ds *ds)
     const struct ovs_key_icmpv6 *icmpv6_key;
     const struct ovs_key_arp *arp_key;
     const struct ovs_key_nd *nd_key;
+    const struct ovs_key_ipv4_tunnel *ipv4_tun_key;
     enum ovs_key_attr attr = nl_attr_type(a);
     int expected_len;
 
@@ -698,6 +701,16 @@ format_odp_key_attr(const struct nlattr *a, struct ds *ds)
         ds_put_format(ds, "(%#"PRIx64")", ntohll(nl_attr_get_be64(a)));
         break;
 
+    case OVS_KEY_ATTR_IPV4_TUNNEL:
+        ipv4_tun_key = nl_attr_get(a);
+        ds_put_format(ds, "(tun_id=0x%"PRIx64",flags=0x%"PRIx32
+                      ",src="IP_FMT",dst="IP_FMT",tos=0x%"PRIx8",ttl=%"PRIu8")",
+                      ntohll(ipv4_tun_key->tun_id), ipv4_tun_key->tun_flags,
+                      IP_ARGS(&ipv4_tun_key->ipv4_src),
+                      IP_ARGS(&ipv4_tun_key->ipv4_dst),
+                      ipv4_tun_key->ipv4_tos, ipv4_tun_key->ipv4_ttl);
+        break;
+
     case OVS_KEY_ATTR_IN_PORT:
         ds_put_format(ds, "(%"PRIu32")", nl_attr_get_u32(a));
         break;
@@ -911,6 +924,30 @@ parse_odp_key_attr(const char *s, const struct simap *port_names,
         }
     }
 
+    {
+        char tun_id_s[32];
+        unsigned long long int flags;
+        int tos, ttl;
+        struct ovs_key_ipv4_tunnel tun_key;
+        int n = -1;
+
+        if (sscanf(s, "ipv4_tunnel(tun_id=%31[x0123456789abcdefABCDEF],"
+                   "flags=%lli,src="IP_SCAN_FMT",dst="IP_SCAN_FMT
+                   ",tos=%i,ttl=%i)%n", tun_id_s, &flags,
+                    IP_SCAN_ARGS(&tun_key.ipv4_src),
+                    IP_SCAN_ARGS(&tun_key.ipv4_dst), &tos, &ttl,
+                    &n) > 0 && n > 0) {
+            tun_key.tun_id = htonll(strtoull(tun_id_s, NULL, 0));
+            tun_key.tun_flags = flags;
+            tun_key.ipv4_tos = tos;
+            tun_key.ipv4_ttl = ttl;
+            memset(&tun_key.pad, 0, sizeof tun_key.pad);
+            nl_msg_put_unspec(key, OVS_KEY_ATTR_IPV4_TUNNEL, &tun_key,
+                              sizeof tun_key);
+            return n;
+        }
+    }
+
     {
         unsigned long long int in_port;
         int n = -1;
@@ -1247,11 +1284,16 @@ ovs_to_odp_frag(uint8_t nw_frag)
 }
 
 /* Appends a representation of 'flow' as OVS_KEY_ATTR_* attributes to 'buf'.
+ * 'flow->in_port' is ignored (since it is likely to be an OpenFlow port
+ * number rather than a datapath port number).  Instead, if 'odp_in_port'
+ * is anything other than OVSP_NONE, it is included in 'buf' as the input
+ * port.
  *
  * 'buf' must have at least ODPUTIL_FLOW_KEY_BYTES bytes of space, or be
  * capable of being expanded to allow for that much space. */
 void
-odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow)
+odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow,
+                       uint32_t odp_in_port)
 {
     struct ovs_key_ethernet *eth_key;
     size_t encap;
@@ -1260,13 +1302,12 @@ odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow)
         nl_msg_put_u32(buf, OVS_KEY_ATTR_PRIORITY, flow->skb_priority);
     }
 
-    if (flow->tun_id != htonll(0)) {
-        nl_msg_put_be64(buf, OVS_KEY_ATTR_TUN_ID, flow->tun_id);
+    if (flow->tunnel.tun_id != htonll(0)) {
+        nl_msg_put_be64(buf, OVS_KEY_ATTR_TUN_ID, flow->tunnel.tun_id);
     }
 
-    if (flow->in_port != OFPP_NONE && flow->in_port != OFPP_CONTROLLER) {
-        nl_msg_put_u32(buf, OVS_KEY_ATTR_IN_PORT,
-                       ofp_port_to_odp_port(flow->in_port));
+    if (odp_in_port != OVSP_NONE) {
+        nl_msg_put_u32(buf, OVS_KEY_ATTR_IN_PORT, odp_in_port);
     }
 
     eth_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ETHERNET,
@@ -1314,7 +1355,8 @@ odp_flow_key_from_flow(struct ofpbuf *buf, const struct flow *flow)
         ipv6_key->ipv6_tclass = flow->nw_tos;
         ipv6_key->ipv6_hlimit = flow->nw_ttl;
         ipv6_key->ipv6_frag = ovs_to_odp_frag(flow->nw_frag);
-    } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
+    } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
+               flow->dl_type == htons(ETH_TYPE_RARP)) {
         struct ovs_key_arp *arp_key;
 
         arp_key = nl_msg_put_unspec_uninit(buf, OVS_KEY_ATTR_ARP,
@@ -1570,7 +1612,8 @@ parse_l3_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
                 return ODP_FIT_ERROR;
             }
         }
-    } else if (flow->dl_type == htons(ETH_TYPE_ARP)) {
+    } else if (flow->dl_type == htons(ETH_TYPE_ARP) ||
+               flow->dl_type == htons(ETH_TYPE_RARP)) {
         expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_ARP;
         if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_ARP)) {
             const struct ovs_key_arp *arp_key;
@@ -1720,6 +1763,10 @@ parse_8021q_onward(const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1],
  * structure in 'flow'.  Returns an ODP_FIT_* value that indicates how well
  * 'key' fits our expectations for what a flow key should contain.
  *
+ * The 'in_port' will be the datapath's understanding of the port.  The
+ * caller will need to translate with odp_port_to_ofp_port() if the
+ * OpenFlow port is needed.
+ *
  * This function doesn't take the packet itself as an argument because none of
  * the currently understood OVS_KEY_ATTR_* attributes require it.  Currently,
  * it is always possible to infer which additional attribute(s) should appear
@@ -1731,7 +1778,6 @@ enum odp_key_fitness
 odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
                      struct flow *flow)
 {
-    static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
     const struct nlattr *attrs[OVS_KEY_ATTR_MAX + 1];
     uint64_t expected_attrs;
     uint64_t present_attrs;
@@ -1753,21 +1799,15 @@ odp_flow_key_to_flow(const struct nlattr *key, size_t key_len,
     }
 
     if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_TUN_ID)) {
-        flow->tun_id = nl_attr_get_be64(attrs[OVS_KEY_ATTR_TUN_ID]);
+        flow->tunnel.tun_id = nl_attr_get_be64(attrs[OVS_KEY_ATTR_TUN_ID]);
         expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_TUN_ID;
     }
 
     if (present_attrs & (UINT64_C(1) << OVS_KEY_ATTR_IN_PORT)) {
-        uint32_t in_port = nl_attr_get_u32(attrs[OVS_KEY_ATTR_IN_PORT]);
-        if (in_port >= UINT16_MAX || in_port >= OFPP_MAX) {
-            VLOG_ERR_RL(&rl, "in_port %"PRIu32" out of supported range",
-                        in_port);
-            return ODP_FIT_ERROR;
-        }
-        flow->in_port = odp_port_to_ofp_port(in_port);
+        flow->in_port = nl_attr_get_u32(attrs[OVS_KEY_ATTR_IN_PORT]);
         expected_attrs |= UINT64_C(1) << OVS_KEY_ATTR_IN_PORT;
     } else {
-        flow->in_port = OFPP_NONE;
+        flow->in_port = OVSP_NONE;
     }
 
     /* Ethernet header. */
@@ -1848,13 +1888,13 @@ static void
 commit_set_tun_id_action(const struct flow *flow, struct flow *base,
                          struct ofpbuf *odp_actions)
 {
-    if (base->tun_id == flow->tun_id) {
+    if (base->tunnel.tun_id == flow->tunnel.tun_id) {
         return;
     }
-    base->tun_id = flow->tun_id;
+    base->tunnel.tun_id = flow->tunnel.tun_id;
 
     commit_set_action(odp_actions, OVS_KEY_ATTR_TUN_ID,
-                      &base->tun_id, sizeof(base->tun_id));
+                      &base->tunnel.tun_id, sizeof(base->tunnel.tun_id));
 }
 
 static void