datapath: Clear rxhash when using an action that may affect it
[openvswitch] / ofproto / ofproto.c
index a0dca356dc0979c775d613040e08dcc8ae427a32..39d345736375efa04bf1a28a484507668ba0c79c 100644 (file)
@@ -59,6 +59,7 @@
 #include "svec.h"
 #include "tag.h"
 #include "timeval.h"
+#include "unaligned.h"
 #include "unixctl.h"
 #include "vconn.h"
 #include "vlog.h"
@@ -124,6 +125,11 @@ struct action_xlate_ctx {
      * calling action_xlate_ctx_init(). */
     void (*resubmit_hook)(struct action_xlate_ctx *, const struct rule *);
 
+    /* If true, the speciality of 'flow' should be checked before executing
+     * its actions.  If special_cb returns false on 'flow' rendered
+     * uninstallable and no actions will be executed. */
+    bool check_special;
+
 /* xlate_actions() initializes and uses these members.  The client might want
  * to look at them after it returns. */
 
@@ -138,7 +144,7 @@ struct action_xlate_ctx {
 
     int recurse;                /* Recursion level, via xlate_table_action. */
     int last_pop_priority;      /* Offset in 'odp_actions' just past most
-                                 * recently added ODPAT_SET_PRIORITY. */
+                                 * recent ODP_ACTION_ATTR_SET_PRIORITY. */
 };
 
 static void action_xlate_ctx_init(struct action_xlate_ctx *,
@@ -301,7 +307,8 @@ struct ofconn {
 
     /* OFPT_PACKET_IN related data. */
     struct rconn_packet_counter *packet_in_counter; /* # queued on 'rconn'. */
-    struct pinsched *schedulers[2]; /* Indexed by reason code; see below. */
+#define N_SCHEDULERS 2
+    struct pinsched *schedulers[N_SCHEDULERS];
     struct pktbuf *pktbuf;         /* OpenFlow packet buffers. */
     int miss_send_len;             /* Bytes to send of buffered packets. */
 
@@ -319,15 +326,6 @@ struct ofconn {
     enum ofproto_band band;      /* In-band or out-of-band? */
 };
 
-/* We use OFPR_NO_MATCH and OFPR_ACTION as indexes into struct ofconn's
- * "schedulers" array.  Their values are 0 and 1, and their meanings and values
- * coincide with _ODPL_MISS_NR and _ODPL_ACTION_NR, so this is convenient.  In
- * case anything ever changes, check their values here.  */
-#define N_SCHEDULERS 2
-BUILD_ASSERT_DECL(OFPR_NO_MATCH == 0);
-BUILD_ASSERT_DECL(OFPR_NO_MATCH == _ODPL_MISS_NR);
-BUILD_ASSERT_DECL(OFPR_ACTION == 1);
-BUILD_ASSERT_DECL(OFPR_ACTION == _ODPL_ACTION_NR);
 
 static struct ofconn *ofconn_create(struct ofproto *, struct rconn *,
                                     enum ofconn_type);
@@ -444,7 +442,10 @@ ofproto_create(const char *datapath, const char *datapath_type,
         VLOG_ERR("failed to open datapath %s: %s", datapath, strerror(error));
         return error;
     }
-    error = dpif_recv_set_mask(dpif, ODPL_MISS | ODPL_ACTION | ODPL_SFLOW);
+    error = dpif_recv_set_mask(dpif,
+                               ((1u << DPIF_UC_MISS) |
+                                (1u << DPIF_UC_ACTION) |
+                                (1u << DPIF_UC_SAMPLE)));
     if (error) {
         VLOG_ERR("failed to listen on datapath %s: %s",
                  datapath, strerror(error));
@@ -1368,13 +1369,10 @@ ofproto_get_ofproto_controller_info(const struct ofproto * ofproto,
 
         cinfo->pairs.n = 0;
 
-        if (last_error == EOF) {
-            cinfo->pairs.keys[cinfo->pairs.n] = "last_error";
-            cinfo->pairs.values[cinfo->pairs.n++] = xstrdup("End of file");
-        } else if (last_error > 0) {
+        if (last_error) {
             cinfo->pairs.keys[cinfo->pairs.n] = "last_error";
             cinfo->pairs.values[cinfo->pairs.n++] =
-                xstrdup(strerror(last_error));
+                xstrdup(ovs_retval_to_string(last_error));
         }
 
         cinfo->pairs.keys[cinfo->pairs.n] = "state";
@@ -1453,6 +1451,8 @@ ofproto_send_packet(struct ofproto *p, const struct flow *flow,
     struct ofpbuf *odp_actions;
 
     action_xlate_ctx_init(&ctx, p, flow, packet);
+    /* Always xlate packets originated in this function. */
+    ctx.check_special = false;
     odp_actions = xlate_actions(&ctx, actions, n_actions);
 
     /* XXX Should we translate the dpif_execute() errno value into an OpenFlow
@@ -1574,7 +1574,7 @@ make_ofport(const struct dpif_port *dpif_port)
         return NULL;
     }
 
-    ofport = xmalloc(sizeof *ofport);
+    ofport = xzalloc(sizeof *ofport);
     ofport->netdev = netdev;
     ofport->odp_port = dpif_port->port_no;
     ofport->opp.port_no = odp_port_to_ofp_port(dpif_port->port_no);
@@ -2093,13 +2093,13 @@ execute_odp_actions(struct ofproto *ofproto, const struct flow *flow,
                     struct ofpbuf *packet)
 {
     if (actions_len == NLA_ALIGN(NLA_HDRLEN + sizeof(uint64_t))
-        && odp_actions->nla_type == ODPAT_CONTROLLER) {
+        && odp_actions->nla_type == ODP_ACTION_ATTR_CONTROLLER) {
         /* As an optimization, avoid a round-trip from userspace to kernel to
          * userspace.  This also avoids possibly filling up kernel packet
          * buffers along the way. */
         struct dpif_upcall upcall;
 
-        upcall.type = _ODPL_ACTION_NR;
+        upcall.type = DPIF_UC_ACTION;
         upcall.packet = packet;
         upcall.key = NULL;
         upcall.key_len = 0;
@@ -2308,17 +2308,24 @@ facet_make_actions(struct ofproto *p, struct facet *facet,
 
 static int
 facet_put__(struct ofproto *ofproto, struct facet *facet,
-            enum dpif_flow_put_flags flags)
+            const struct nlattr *actions, size_t actions_len,
+            struct dpif_flow_stats *stats)
 {
     uint32_t keybuf[ODPUTIL_FLOW_KEY_U32S];
+    enum dpif_flow_put_flags flags;
     struct ofpbuf key;
 
+    flags = DPIF_FP_CREATE | DPIF_FP_MODIFY;
+    if (stats) {
+        flags |= DPIF_FP_ZERO_STATS;
+    }
+
     ofpbuf_use_stack(&key, keybuf, sizeof keybuf);
     odp_flow_key_from_flow(&key, &facet->flow);
     assert(key.base == keybuf);
 
     return dpif_flow_put(ofproto->dpif, flags, key.data, key.size,
-                         facet->actions, facet->actions_len, NULL);
+                         actions, actions_len, stats);
 }
 
 /* If 'facet' is installable, inserts or re-inserts it into 'p''s datapath.  If
@@ -2327,14 +2334,12 @@ facet_put__(struct ofproto *ofproto, struct facet *facet,
 static void
 facet_install(struct ofproto *p, struct facet *facet, bool zero_stats)
 {
-    if (facet->may_install) {
-        enum dpif_flow_put_flags flags = DPIF_FP_CREATE | DPIF_FP_MODIFY;
-        if (zero_stats) {
-            flags |= DPIF_FP_ZERO_STATS;
-        }
-        if (!facet_put__(p, facet, flags)) {
-            facet->installed = true;
-        }
+    struct dpif_flow_stats stats;
+
+    if (facet->may_install
+        && !facet_put__(p, facet, facet->actions, facet->actions_len,
+                        zero_stats ? &stats : NULL)) {
+        facet->installed = true;
     }
 }
 
@@ -2499,20 +2504,12 @@ facet_revalidate(struct ofproto *ofproto, struct facet *facet)
 
     /* If the ODP actions changed or the installability changed, then we need
      * to talk to the datapath. */
-    if (actions_changed || facet->may_install != facet->installed) {
-        if (facet->may_install) {
-            uint32_t keybuf[ODPUTIL_FLOW_KEY_U32S];
+    if (actions_changed || ctx.may_set_up_flow != facet->installed) {
+        if (ctx.may_set_up_flow) {
             struct dpif_flow_stats stats;
-            struct ofpbuf key;
-
-            ofpbuf_use_stack(&key, keybuf, sizeof keybuf);
-            odp_flow_key_from_flow(&key, &facet->flow);
-
-            dpif_flow_put(ofproto->dpif,
-                          DPIF_FP_CREATE | DPIF_FP_MODIFY | DPIF_FP_ZERO_STATS,
-                          key.data, key.size,
-                          odp_actions->data, odp_actions->size, &stats);
 
+            facet_put__(ofproto, facet,
+                        odp_actions->data, odp_actions->size, &stats);
             facet_update_stats(ofproto, facet, &stats);
         } else {
             facet_uninstall(ofproto, facet);
@@ -2690,7 +2687,7 @@ add_output_action(struct action_xlate_ctx *ctx, uint16_t port)
          */
     }
 
-    nl_msg_put_u32(ctx->odp_actions, ODPAT_OUTPUT, port);
+    nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_OUTPUT, port);
     ctx->nf_output_iface = port;
 }
 
@@ -2741,7 +2738,7 @@ flood_packets(struct ofproto *ofproto, uint16_t odp_in_port, uint32_t mask,
     HMAP_FOR_EACH (ofport, hmap_node, &ofproto->ports) {
         uint16_t odp_port = ofport->odp_port;
         if (odp_port != odp_in_port && !(ofport->opp.config & mask)) {
-            nl_msg_put_u32(odp_actions, ODPAT_OUTPUT, odp_port);
+            nl_msg_put_u32(odp_actions, ODP_ACTION_ATTR_OUTPUT, odp_port);
         }
     }
     *nf_output_iface = NF_OUT_FLOOD;
@@ -2781,7 +2778,7 @@ xlate_output_action__(struct action_xlate_ctx *ctx,
                       &ctx->nf_output_iface, ctx->odp_actions);
         break;
     case OFPP_CONTROLLER:
-        nl_msg_put_u64(ctx->odp_actions, ODPAT_CONTROLLER, max_len);
+        nl_msg_put_u64(ctx->odp_actions, ODP_ACTION_ATTR_CONTROLLER, max_len);
         break;
     case OFPP_LOCAL:
         add_output_action(ctx, ODPP_LOCAL);
@@ -2828,7 +2825,7 @@ static void
 add_pop_action(struct action_xlate_ctx *ctx)
 {
     if (ctx->odp_actions->size != ctx->last_pop_priority) {
-        nl_msg_put_flag(ctx->odp_actions, ODPAT_POP_PRIORITY);
+        nl_msg_put_flag(ctx->odp_actions, ODP_ACTION_ATTR_POP_PRIORITY);
         ctx->last_pop_priority = ctx->odp_actions->size;
     }
 }
@@ -2859,7 +2856,7 @@ xlate_enqueue_action(struct action_xlate_ctx *ctx,
 
     /* Add ODP actions. */
     remove_pop_action(ctx);
-    nl_msg_put_u32(ctx->odp_actions, ODPAT_SET_PRIORITY, priority);
+    nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_SET_PRIORITY, priority);
     add_output_action(ctx, odp_port);
     add_pop_action(ctx);
 
@@ -2887,7 +2884,7 @@ xlate_set_queue_action(struct action_xlate_ctx *ctx,
     }
 
     remove_pop_action(ctx);
-    nl_msg_put_u32(ctx->odp_actions, ODPAT_SET_PRIORITY, priority);
+    nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_SET_PRIORITY, priority);
 }
 
 static void
@@ -2895,9 +2892,9 @@ xlate_set_dl_tci(struct action_xlate_ctx *ctx)
 {
     ovs_be16 tci = ctx->flow.vlan_tci;
     if (!(tci & htons(VLAN_CFI))) {
-        nl_msg_put_flag(ctx->odp_actions, ODPAT_STRIP_VLAN);
+        nl_msg_put_flag(ctx->odp_actions, ODP_ACTION_ATTR_STRIP_VLAN);
     } else {
-        nl_msg_put_be16(ctx->odp_actions, ODPAT_SET_DL_TCI,
+        nl_msg_put_be16(ctx->odp_actions, ODP_ACTION_ATTR_SET_DL_TCI,
                         tci & ~htons(VLAN_CFI));
     }
 }
@@ -2923,7 +2920,8 @@ update_reg_state(struct action_xlate_ctx *ctx,
         xlate_set_dl_tci(ctx);
     }
     if (ctx->flow.tun_id != state->tun_id) {
-        nl_msg_put_be64(ctx->odp_actions, ODPAT_SET_TUNNEL, ctx->flow.tun_id);
+        nl_msg_put_be64(ctx->odp_actions,
+                        ODP_ACTION_ATTR_SET_TUNNEL, ctx->flow.tun_id);
     }
 }
 
@@ -2949,13 +2947,14 @@ xlate_nicira_action(struct action_xlate_ctx *ctx,
     case NXAST_SET_TUNNEL:
         nast = (const struct nx_action_set_tunnel *) nah;
         tun_id = htonll(ntohl(nast->tun_id));
-        nl_msg_put_be64(ctx->odp_actions, ODPAT_SET_TUNNEL, tun_id);
+        nl_msg_put_be64(ctx->odp_actions, ODP_ACTION_ATTR_SET_TUNNEL, tun_id);
         ctx->flow.tun_id = tun_id;
         break;
 
     case NXAST_DROP_SPOOFED_ARP:
         if (ctx->flow.dl_type == htons(ETH_TYPE_ARP)) {
-            nl_msg_put_flag(ctx->odp_actions, ODPAT_DROP_SPOOFED_ARP);
+            nl_msg_put_flag(ctx->odp_actions,
+                            ODP_ACTION_ATTR_DROP_SPOOFED_ARP);
         }
         break;
 
@@ -2988,7 +2987,7 @@ xlate_nicira_action(struct action_xlate_ctx *ctx,
 
     case NXAST_SET_TUNNEL64:
         tun_id = ((const struct nx_action_set_tunnel64 *) nah)->tun_id;
-        nl_msg_put_be64(ctx->odp_actions, ODPAT_SET_TUNNEL, tun_id);
+        nl_msg_put_be64(ctx->odp_actions, ODP_ACTION_ATTR_SET_TUNNEL, tun_id);
         ctx->flow.tun_id = tun_id;
         break;
 
@@ -3052,44 +3051,44 @@ do_xlate_actions(const union ofp_action *in, size_t n_in,
 
         case OFPAT_SET_DL_SRC:
             oada = ((struct ofp_action_dl_addr *) ia);
-            nl_msg_put_unspec(ctx->odp_actions, ODPAT_SET_DL_SRC,
+            nl_msg_put_unspec(ctx->odp_actions, ODP_ACTION_ATTR_SET_DL_SRC,
                               oada->dl_addr, ETH_ADDR_LEN);
             memcpy(ctx->flow.dl_src, oada->dl_addr, ETH_ADDR_LEN);
             break;
 
         case OFPAT_SET_DL_DST:
             oada = ((struct ofp_action_dl_addr *) ia);
-            nl_msg_put_unspec(ctx->odp_actions, ODPAT_SET_DL_DST,
+            nl_msg_put_unspec(ctx->odp_actions, ODP_ACTION_ATTR_SET_DL_DST,
                               oada->dl_addr, ETH_ADDR_LEN);
             memcpy(ctx->flow.dl_dst, oada->dl_addr, ETH_ADDR_LEN);
             break;
 
         case OFPAT_SET_NW_SRC:
-            nl_msg_put_be32(ctx->odp_actions, ODPAT_SET_NW_SRC,
+            nl_msg_put_be32(ctx->odp_actions, ODP_ACTION_ATTR_SET_NW_SRC,
                             ia->nw_addr.nw_addr);
             ctx->flow.nw_src = ia->nw_addr.nw_addr;
             break;
 
         case OFPAT_SET_NW_DST:
-            nl_msg_put_be32(ctx->odp_actions, ODPAT_SET_NW_DST,
+            nl_msg_put_be32(ctx->odp_actions, ODP_ACTION_ATTR_SET_NW_DST,
                             ia->nw_addr.nw_addr);
             ctx->flow.nw_dst = ia->nw_addr.nw_addr;
             break;
 
         case OFPAT_SET_NW_TOS:
-            nl_msg_put_u8(ctx->odp_actions, ODPAT_SET_NW_TOS,
+            nl_msg_put_u8(ctx->odp_actions, ODP_ACTION_ATTR_SET_NW_TOS,
                           ia->nw_tos.nw_tos);
             ctx->flow.nw_tos = ia->nw_tos.nw_tos;
             break;
 
         case OFPAT_SET_TP_SRC:
-            nl_msg_put_be16(ctx->odp_actions, ODPAT_SET_TP_SRC,
+            nl_msg_put_be16(ctx->odp_actions, ODP_ACTION_ATTR_SET_TP_SRC,
                             ia->tp_port.tp_port);
             ctx->flow.tp_src = ia->tp_port.tp_port;
             break;
 
         case OFPAT_SET_TP_DST:
-            nl_msg_put_be16(ctx->odp_actions, ODPAT_SET_TP_DST,
+            nl_msg_put_be16(ctx->odp_actions, ODP_ACTION_ATTR_SET_TP_DST,
                             ia->tp_port.tp_port);
             ctx->flow.tp_dst = ia->tp_port.tp_port;
             break;
@@ -3118,6 +3117,7 @@ action_xlate_ctx_init(struct action_xlate_ctx *ctx,
     ctx->flow = *flow;
     ctx->packet = packet;
     ctx->resubmit_hook = NULL;
+    ctx->check_special = true;
 }
 
 static struct ofpbuf *
@@ -3132,7 +3132,16 @@ xlate_actions(struct action_xlate_ctx *ctx,
     ctx->nf_output_iface = NF_OUT_DROP;
     ctx->recurse = 0;
     ctx->last_pop_priority = -1;
-    do_xlate_actions(in, n_in, ctx);
+
+    if (!ctx->check_special
+        || (ctx->ofproto->ofhooks->special_cb
+            && ctx->ofproto->ofhooks->special_cb(&ctx->flow, ctx->packet,
+                                                 ctx->ofproto->aux))) {
+        do_xlate_actions(in, n_in, ctx);
+    } else {
+        ctx->may_set_up_flow = false;
+    }
+
     remove_pop_action(ctx);
 
     /* Check with in-band control to see if we're allowed to set up this
@@ -3392,8 +3401,8 @@ handle_table_stats_request(struct ofconn *ofconn,
                       ? htonl(OFPFW_ALL) : htonl(OVSFW_ALL));
     ots->max_entries = htonl(1024 * 1024); /* An arbitrary big number. */
     ots->active_count = htonl(classifier_count(&p->cls));
-    ots->lookup_count = htonll(0);              /* XXX */
-    ots->matched_count = htonll(0);             /* XXX */
+    put_32aligned_be64(&ots->lookup_count, htonll(0));  /* XXX */
+    put_32aligned_be64(&ots->matched_count, htonll(0)); /* XXX */
 
     queue_tx(msg, ofconn, ofconn->reply_counter);
     return 0;
@@ -3414,18 +3423,18 @@ append_port_stat(struct ofport *port, struct ofconn *ofconn,
     ops = append_ofp_stats_reply(sizeof *ops, ofconn, msgp);
     ops->port_no = htons(port->opp.port_no);
     memset(ops->pad, 0, sizeof ops->pad);
-    ops->rx_packets = htonll(stats.rx_packets);
-    ops->tx_packets = htonll(stats.tx_packets);
-    ops->rx_bytes = htonll(stats.rx_bytes);
-    ops->tx_bytes = htonll(stats.tx_bytes);
-    ops->rx_dropped = htonll(stats.rx_dropped);
-    ops->tx_dropped = htonll(stats.tx_dropped);
-    ops->rx_errors = htonll(stats.rx_errors);
-    ops->tx_errors = htonll(stats.tx_errors);
-    ops->rx_frame_err = htonll(stats.rx_frame_errors);
-    ops->rx_over_err = htonll(stats.rx_over_errors);
-    ops->rx_crc_err = htonll(stats.rx_crc_errors);
-    ops->collisions = htonll(stats.collisions);
+    put_32aligned_be64(&ops->rx_packets, htonll(stats.rx_packets));
+    put_32aligned_be64(&ops->tx_packets, htonll(stats.tx_packets));
+    put_32aligned_be64(&ops->rx_bytes, htonll(stats.rx_bytes));
+    put_32aligned_be64(&ops->tx_bytes, htonll(stats.tx_bytes));
+    put_32aligned_be64(&ops->rx_dropped, htonll(stats.rx_dropped));
+    put_32aligned_be64(&ops->tx_dropped, htonll(stats.tx_dropped));
+    put_32aligned_be64(&ops->rx_errors, htonll(stats.rx_errors));
+    put_32aligned_be64(&ops->tx_errors, htonll(stats.tx_errors));
+    put_32aligned_be64(&ops->rx_frame_err, htonll(stats.rx_frame_errors));
+    put_32aligned_be64(&ops->rx_over_err, htonll(stats.rx_over_errors));
+    put_32aligned_be64(&ops->rx_crc_err, htonll(stats.rx_crc_errors));
+    put_32aligned_be64(&ops->collisions, htonll(stats.collisions));
 }
 
 static int
@@ -3482,7 +3491,7 @@ query_stats(struct ofproto *p, struct rule *rule,
 
         ofpbuf_clear(&key);
         odp_flow_key_from_flow(&key, &facet->flow);
-        dpif_flow_get(p->dpif, 0, key.data, key.size, NULL, &stats);
+        dpif_flow_get(p->dpif, key.data, key.size, NULL, &stats);
 
         packet_count += stats.n_packets + facet->packet_count;
         byte_count += stats.n_bytes + facet->byte_count;
@@ -3507,6 +3516,7 @@ put_ofp_flow_stats(struct ofconn *ofconn, struct rule *rule,
 {
     struct ofp_flow_stats *ofs;
     uint64_t packet_count, byte_count;
+    ovs_be64 cookie;
     size_t act_len, len;
 
     if (rule_is_hidden(rule) || !rule_has_out_port(rule, out_port)) {
@@ -3523,14 +3533,15 @@ put_ofp_flow_stats(struct ofconn *ofconn, struct rule *rule,
     ofs->table_id = 0;
     ofs->pad = 0;
     ofputil_cls_rule_to_match(&rule->cr, ofconn->flow_format, &ofs->match,
-                              rule->flow_cookie, &ofs->cookie);
+                              rule->flow_cookie, &cookie);
+    put_32aligned_be64(&ofs->cookie, cookie);
     calc_flow_duration(rule->created, &ofs->duration_sec, &ofs->duration_nsec);
     ofs->priority = htons(rule->cr.priority);
     ofs->idle_timeout = htons(rule->idle_timeout);
     ofs->hard_timeout = htons(rule->hard_timeout);
     memset(ofs->pad2, 0, sizeof ofs->pad2);
-    ofs->packet_count = htonll(packet_count);
-    ofs->byte_count = htonll(byte_count);
+    put_32aligned_be64(&ofs->packet_count, htonll(packet_count));
+    put_32aligned_be64(&ofs->byte_count, htonll(byte_count));
     if (rule->n_actions > 0) {
         memcpy(ofs->actions, rule->actions, act_len);
     }
@@ -3710,8 +3721,8 @@ query_aggregate_stats(struct ofproto *ofproto, struct cls_rule *target,
     }
 
     oasr->flow_count = htonl(n_flows);
-    oasr->packet_count = htonll(total_packets);
-    oasr->byte_count = htonll(total_bytes);
+    put_32aligned_be64(&oasr->packet_count, htonll(total_packets));
+    put_32aligned_be64(&oasr->byte_count, htonll(total_bytes));
     memset(oasr->pad, 0, sizeof oasr->pad);
 }
 
@@ -3784,9 +3795,9 @@ put_queue_stats(struct queue_stats_cbdata *cbdata, uint32_t queue_id,
     reply->port_no = htons(cbdata->ofport->opp.port_no);
     memset(reply->pad, 0, sizeof reply->pad);
     reply->queue_id = htonl(queue_id);
-    reply->tx_bytes = htonll(stats->tx_bytes);
-    reply->tx_packets = htonll(stats->tx_packets);
-    reply->tx_errors = htonll(stats->tx_errors);
+    put_32aligned_be64(&reply->tx_bytes, htonll(stats->tx_bytes));
+    put_32aligned_be64(&reply->tx_packets, htonll(stats->tx_packets));
+    put_32aligned_be64(&reply->tx_errors, htonll(stats->tx_errors));
 }
 
 static void
@@ -4376,13 +4387,19 @@ handle_miss_upcall(struct ofproto *p, struct dpif_upcall *upcall)
     /* Set header pointers in 'flow'. */
     flow_extract(upcall->packet, flow.tun_id, flow.in_port, &flow);
 
+    if (p->ofhooks->special_cb
+        && !p->ofhooks->special_cb(&flow, upcall->packet, p->aux)) {
+        ofpbuf_delete(upcall->packet);
+        return;
+    }
+
     /* Check with in-band control to see if this packet should be sent
      * to the local port regardless of the flow table. */
     if (in_band_msg_in_hook(p->in_band, &flow, upcall->packet)) {
         struct ofpbuf odp_actions;
 
         ofpbuf_init(&odp_actions, 32);
-        nl_msg_put_u32(&odp_actions, ODPAT_OUTPUT, ODPP_LOCAL);
+        nl_msg_put_u32(&odp_actions, ODP_ACTION_ATTR_OUTPUT, ODPP_LOCAL);
         dpif_execute(p->dpif, odp_actions.data, odp_actions.size,
                      upcall->packet);
         ofpbuf_uninit(&odp_actions);
@@ -4442,13 +4459,13 @@ handle_upcall(struct ofproto *p, struct dpif_upcall *upcall)
     struct flow flow;
 
     switch (upcall->type) {
-    case _ODPL_ACTION_NR:
+    case DPIF_UC_ACTION:
         COVERAGE_INC(ofproto_ctlr_action);
         odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
         send_packet_in(p, upcall, &flow, false);
         break;
 
-    case _ODPL_SFLOW_NR:
+    case DPIF_UC_SAMPLE:
         if (p->sflow) {
             odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
             ofproto_sflow_received(p->sflow, upcall, &flow);
@@ -4456,10 +4473,11 @@ handle_upcall(struct ofproto *p, struct dpif_upcall *upcall)
         ofpbuf_delete(upcall->packet);
         break;
 
-    case _ODPL_MISS_NR:
+    case DPIF_UC_MISS:
         handle_miss_upcall(p, upcall);
         break;
 
+    case DPIF_N_UC_TYPES:
     default:
         VLOG_WARN_RL(&rl, "upcall has unexpected type %"PRIu32, upcall->type);
         break;
@@ -4647,36 +4665,18 @@ facet_active_timeout(struct ofproto *ofproto, struct facet *facet)
         netflow_active_timeout_expired(ofproto->netflow, &facet->nf_flow)) {
         struct ofexpired expired;
 
-        expired.flow = facet->flow;
-        expired.packet_count = facet->packet_count;
-        expired.byte_count = facet->byte_count;
-        expired.used = facet->used;
-
-        /* Get updated flow stats.
-         *
-         * XXX We could avoid this call entirely if (1) ofproto_update_used()
-         * updated TCP flags and (2) the dpif_flow_list_all() in
-         * ofproto_update_used() zeroed TCP flags. */
         if (facet->installed) {
-            uint32_t keybuf[ODPUTIL_FLOW_KEY_U32S];
             struct dpif_flow_stats stats;
-            struct ofpbuf key;
-
-            ofpbuf_use_stack(&key, keybuf, sizeof keybuf);
-            odp_flow_key_from_flow(&key, &facet->flow);
-
-            if (!dpif_flow_get(ofproto->dpif, ODPFF_ZERO_TCP_FLAGS,
-                               key.data, key.size, NULL, &stats)) {
-                expired.packet_count += stats.n_packets;
-                expired.byte_count += stats.n_bytes;
-                if (stats.n_packets) {
-                    facet_update_time(ofproto, facet, &stats);
-                    netflow_flow_update_flags(&facet->nf_flow,
-                                              stats.tcp_flags);
-                }
-            }
+
+            facet_put__(ofproto, facet, facet->actions, facet->actions_len,
+                        &stats);
+            facet_update_stats(ofproto, facet, &stats);
         }
 
+        expired.flow = facet->flow;
+        expired.packet_count = facet->packet_count;
+        expired.byte_count = facet->byte_count;
+        expired.used = facet->used;
         netflow_expire(ofproto->netflow, &facet->nf_flow, &expired);
     }
 }
@@ -4830,9 +4830,10 @@ schedule_packet_in(struct ofconn *ofconn, struct dpif_upcall *upcall,
     int total_len, send_len;
     struct ofpbuf *packet;
     uint32_t buffer_id;
+    int idx;
 
     /* Get OpenFlow buffer_id. */
-    if (upcall->type == _ODPL_ACTION_NR) {
+    if (upcall->type == DPIF_UC_ACTION) {
         buffer_id = UINT32_MAX;
     } else if (ofproto->fail_open && fail_open_is_active(ofproto->fail_open)) {
         buffer_id = pktbuf_get_null();
@@ -4847,7 +4848,7 @@ schedule_packet_in(struct ofconn *ofconn, struct dpif_upcall *upcall,
     if (buffer_id != UINT32_MAX) {
         send_len = MIN(send_len, ofconn->miss_send_len);
     }
-    if (upcall->type == _ODPL_ACTION_NR) {
+    if (upcall->type == DPIF_UC_ACTION) {
         send_len = MIN(send_len, upcall->userdata);
     }
 
@@ -4866,18 +4867,19 @@ schedule_packet_in(struct ofconn *ofconn, struct dpif_upcall *upcall,
     opi->header.type = OFPT_PACKET_IN;
     opi->total_len = htons(total_len);
     opi->in_port = htons(odp_port_to_ofp_port(flow->in_port));
-    opi->reason = upcall->type == _ODPL_MISS_NR ? OFPR_NO_MATCH : OFPR_ACTION;
+    opi->reason = upcall->type == DPIF_UC_MISS ? OFPR_NO_MATCH : OFPR_ACTION;
     opi->buffer_id = htonl(buffer_id);
     update_openflow_length(packet);
 
     /* Hand over to packet scheduler.  It might immediately call into
      * do_send_packet_in() or it might buffer it for a while (until a later
      * call to pinsched_run()). */
-    pinsched_send(ofconn->schedulers[opi->reason], flow->in_port,
+    idx = upcall->type == DPIF_UC_MISS ? 0 : 1;
+    pinsched_send(ofconn->schedulers[idx], flow->in_port,
                   packet, do_send_packet_in, ofconn);
 }
 
-/* Given 'upcall', of type _ODPL_ACTION_NR or _ODPL_MISS_NR, sends an
+/* Given 'upcall', of type DPIF_UC_ACTION or DPIF_UC_MISS, sends an
  * OFPT_PACKET_IN message to each OpenFlow controller as necessary according to
  * their individual configurations.
  *
@@ -5135,7 +5137,7 @@ default_normal_ofhook_cb(const struct flow *flow, const struct ofpbuf *packet,
         flood_packets(ofproto, flow->in_port, OFPPC_NO_FLOOD,
                       nf_output_iface, odp_actions);
     } else if (out_port != flow->in_port) {
-        nl_msg_put_u32(odp_actions, ODPAT_OUTPUT, out_port);
+        nl_msg_put_u32(odp_actions, ODP_ACTION_ATTR_OUTPUT, out_port);
         *nf_output_iface = out_port;
     } else {
         /* Drop. */
@@ -5147,5 +5149,6 @@ default_normal_ofhook_cb(const struct flow *flow, const struct ofpbuf *packet,
 static const struct ofhooks default_ofhooks = {
     default_normal_ofhook_cb,
     NULL,
+    NULL,
     NULL
 };