ofp-util: Implement OpenFlow 1.1 packet-in message.
[sliver-openvswitch.git] / lib / ofp-util.c
index 7903de8..7fc4c7c 100644 (file)
@@ -1672,9 +1672,9 @@ ofputil_decode_flow_mod(struct ofputil_flow_mod *fm,
                 : OFPERR_OFPFMFC_TABLE_FULL);
     }
 
-    return ofpacts_check(fm->ofpacts, fm->ofpacts_len, &fm->match.flow,
-                         oh->version > OFP10_VERSION, max_port,
-                         fm->table_id, max_table);
+    return ofpacts_check_consistency(fm->ofpacts, fm->ofpacts_len,
+                                     &fm->match.flow, max_port,
+                                     fm->table_id, max_table, protocol);
 }
 
 static enum ofperr
@@ -1901,7 +1901,7 @@ ofputil_decode_meter_config(struct ofpbuf *msg,
     omc = ofpbuf_try_pull(msg, sizeof *omc);
     if (!omc) {
         VLOG_WARN_RL(&bad_ofmsg_rl,
-                     "OFPMP_METER_CONFIG reply has %zu leftover bytes at end",
+                     "OFPMP_METER_CONFIG reply has %"PRIuSIZE" leftover bytes at end",
                      msg->size);
         return OFPERR_OFPBRC_BAD_LEN;
     }
@@ -1977,7 +1977,7 @@ ofputil_decode_meter_stats(struct ofpbuf *msg,
     oms = ofpbuf_try_pull(msg, sizeof *oms);
     if (!oms) {
         VLOG_WARN_RL(&bad_ofmsg_rl,
-                     "OFPMP_METER reply has %zu leftover bytes at end",
+                     "OFPMP_METER reply has %"PRIuSIZE" leftover bytes at end",
                      msg->size);
         return OFPERR_OFPBRC_BAD_LEN;
     }
@@ -2668,7 +2668,7 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs,
 
         ofs = ofpbuf_try_pull(msg, sizeof *ofs);
         if (!ofs) {
-            VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply has %zu leftover "
+            VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply has %"PRIuSIZE" leftover "
                          "bytes at end", msg->size);
             return EINVAL;
         }
@@ -2676,7 +2676,7 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs,
         length = ntohs(ofs->length);
         if (length < sizeof *ofs) {
             VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply claims invalid "
-                         "length %zu", length);
+                         "length %"PRIuSIZE, length);
             return EINVAL;
         }
 
@@ -2718,7 +2718,7 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs,
 
         ofs = ofpbuf_try_pull(msg, sizeof *ofs);
         if (!ofs) {
-            VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply has %zu leftover "
+            VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply has %"PRIuSIZE" leftover "
                          "bytes at end", msg->size);
             return EINVAL;
         }
@@ -2726,7 +2726,7 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs,
         length = ntohs(ofs->length);
         if (length < sizeof *ofs) {
             VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_FLOW reply claims invalid "
-                         "length %zu", length);
+                         "length %"PRIuSIZE, length);
             return EINVAL;
         }
 
@@ -2754,7 +2754,7 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs,
 
         nfs = ofpbuf_try_pull(msg, sizeof *nfs);
         if (!nfs) {
-            VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW reply has %zu leftover "
+            VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW reply has %"PRIuSIZE" leftover "
                          "bytes at end", msg->size);
             return EINVAL;
         }
@@ -2762,8 +2762,8 @@ ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *fs,
         length = ntohs(nfs->length);
         match_len = ntohs(nfs->match_len);
         if (length < sizeof *nfs + ROUND_UP(match_len, 8)) {
-            VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW reply with match_len=%zu "
-                         "claims invalid length %zu", match_len, length);
+            VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW reply with match_len=%"PRIuSIZE" "
+                         "claims invalid length %"PRIuSIZE, match_len, length);
             return EINVAL;
         }
         if (nx_pull_match(msg, match_len, &fs->match, NULL, NULL)) {
@@ -3196,6 +3196,23 @@ ofputil_decode_packet_in(struct ofputil_packet_in *pin,
         pin->reason = opi->reason;
         pin->buffer_id = ntohl(opi->buffer_id);
         pin->total_len = ntohs(opi->total_len);
+    } else if (raw == OFPRAW_OFPT11_PACKET_IN) {
+        const struct ofp11_packet_in *opi;
+        enum ofperr error;
+
+        opi = ofpbuf_pull(&b, sizeof *opi);
+
+        pin->packet = b.data;
+        pin->packet_len = b.size;
+
+        pin->buffer_id = ntohl(opi->buffer_id);
+        error = ofputil_port_from_ofp11(opi->in_port, &pin->fmd.in_port);
+        if (error) {
+            return error;
+        }
+        pin->total_len = ntohs(opi->total_len);
+        pin->reason = opi->reason;
+        pin->table_id = opi->table_id;
     } else if (raw == OFPRAW_NXT_PACKET_IN) {
         const struct nx_packet_in *npi;
         struct match match;
@@ -3260,6 +3277,120 @@ ofputil_packet_in_to_match(const struct ofputil_packet_in *pin,
     match_set_in_port(match, pin->fmd.in_port);
 }
 
+static struct ofpbuf *
+ofputil_encode_ofp10_packet_in(const struct ofputil_packet_in *pin)
+{
+    struct ofp10_packet_in *opi;
+    struct ofpbuf *packet;
+
+    packet = ofpraw_alloc_xid(OFPRAW_OFPT10_PACKET_IN, OFP10_VERSION,
+                              htonl(0), pin->packet_len);
+    opi = ofpbuf_put_zeros(packet, offsetof(struct ofp10_packet_in, data));
+    opi->total_len = htons(pin->total_len);
+    opi->in_port = htons(ofp_to_u16(pin->fmd.in_port));
+    opi->reason = pin->reason;
+    opi->buffer_id = htonl(pin->buffer_id);
+
+    ofpbuf_put(packet, pin->packet, pin->packet_len);
+
+    return packet;
+}
+
+static struct ofpbuf *
+ofputil_encode_nx_packet_in(const struct ofputil_packet_in *pin)
+{
+    struct nx_packet_in *npi;
+    struct ofpbuf *packet;
+    struct match match;
+    size_t match_len;
+
+    ofputil_packet_in_to_match(pin, &match);
+
+    /* The final argument is just an estimate of the space required. */
+    packet = ofpraw_alloc_xid(OFPRAW_NXT_PACKET_IN, OFP10_VERSION,
+                              htonl(0), (sizeof(struct flow_metadata) * 2
+                                         + 2 + pin->packet_len));
+    ofpbuf_put_zeros(packet, sizeof *npi);
+    match_len = nx_put_match(packet, &match, 0, 0);
+    ofpbuf_put_zeros(packet, 2);
+    ofpbuf_put(packet, pin->packet, pin->packet_len);
+
+    npi = packet->l3;
+    npi->buffer_id = htonl(pin->buffer_id);
+    npi->total_len = htons(pin->total_len);
+    npi->reason = pin->reason;
+    npi->table_id = pin->table_id;
+    npi->cookie = pin->cookie;
+    npi->match_len = htons(match_len);
+
+    return packet;
+}
+
+static struct ofpbuf *
+ofputil_encode_ofp11_packet_in(const struct ofputil_packet_in *pin)
+{
+    struct ofp11_packet_in *opi;
+    struct ofpbuf *packet;
+
+    packet = ofpraw_alloc_xid(OFPRAW_OFPT11_PACKET_IN, OFP11_VERSION,
+                              htonl(0), pin->packet_len);
+    opi = ofpbuf_put_zeros(packet, sizeof *opi);
+    opi->buffer_id = htonl(pin->buffer_id);
+    opi->in_port = ofputil_port_to_ofp11(pin->fmd.in_port);
+    opi->in_phy_port = opi->in_port;
+    opi->total_len = htons(pin->total_len);
+    opi->reason = pin->reason;
+    opi->table_id = pin->table_id;
+
+    ofpbuf_put(packet, pin->packet, pin->packet_len);
+
+    return packet;
+}
+
+static struct ofpbuf *
+ofputil_encode_ofp12_packet_in(const struct ofputil_packet_in *pin,
+                               enum ofputil_protocol protocol)
+{
+    struct ofp13_packet_in *opi;
+    struct match match;
+    enum ofpraw packet_in_raw;
+    enum ofp_version packet_in_version;
+    size_t packet_in_size;
+    struct ofpbuf *packet;
+
+    if (protocol == OFPUTIL_P_OF12_OXM) {
+        packet_in_raw = OFPRAW_OFPT12_PACKET_IN;
+        packet_in_version = OFP12_VERSION;
+        packet_in_size = sizeof (struct ofp12_packet_in);
+    } else {
+        packet_in_raw = OFPRAW_OFPT13_PACKET_IN;
+        packet_in_version = OFP13_VERSION;
+        packet_in_size = sizeof (struct ofp13_packet_in);
+    }
+
+    ofputil_packet_in_to_match(pin, &match);
+
+    /* The final argument is just an estimate of the space required. */
+    packet = ofpraw_alloc_xid(packet_in_raw, packet_in_version,
+                              htonl(0), (sizeof(struct flow_metadata) * 2
+                                         + 2 + pin->packet_len));
+    ofpbuf_put_zeros(packet, packet_in_size);
+    oxm_put_match(packet, &match);
+    ofpbuf_put_zeros(packet, 2);
+    ofpbuf_put(packet, pin->packet, pin->packet_len);
+
+    opi = packet->l3;
+    opi->pi.buffer_id = htonl(pin->buffer_id);
+    opi->pi.total_len = htons(pin->total_len);
+    opi->pi.reason = pin->reason;
+    opi->pi.table_id = pin->table_id;
+    if (protocol == OFPUTIL_P_OF13_OXM) {
+        opi->cookie = pin->cookie;
+    }
+
+    return packet;
+}
+
 /* Converts abstract ofputil_packet_in 'pin' into a PACKET_IN message
  * in the format specified by 'packet_in_format'.  */
 struct ofpbuf *
@@ -3269,83 +3400,30 @@ ofputil_encode_packet_in(const struct ofputil_packet_in *pin,
 {
     struct ofpbuf *packet;
 
-    /* Add OFPT_PACKET_IN. */
-    if (protocol == OFPUTIL_P_OF13_OXM || protocol == OFPUTIL_P_OF12_OXM) {
-        struct ofp13_packet_in *opi;
-        struct match match;
-        enum ofpraw packet_in_raw;
-        enum ofp_version packet_in_version;
-        size_t packet_in_size;
+    switch (protocol) {
+    case OFPUTIL_P_OF10_STD:
+    case OFPUTIL_P_OF10_STD_TID:
+    case OFPUTIL_P_OF10_NXM:
+    case OFPUTIL_P_OF10_NXM_TID:
+        packet = (packet_in_format == NXPIF_NXM
+                  ? ofputil_encode_nx_packet_in(pin)
+                  : ofputil_encode_ofp10_packet_in(pin));
+        break;
 
-        if (protocol == OFPUTIL_P_OF12_OXM) {
-            packet_in_raw = OFPRAW_OFPT12_PACKET_IN;
-            packet_in_version = OFP12_VERSION;
-            packet_in_size = sizeof (struct ofp12_packet_in);
-        } else {
-            packet_in_raw = OFPRAW_OFPT13_PACKET_IN;
-            packet_in_version = OFP13_VERSION;
-            packet_in_size = sizeof (struct ofp13_packet_in);
-        }
+    case OFPUTIL_P_OF11_STD:
+        packet = ofputil_encode_ofp11_packet_in(pin);
+        break;
 
-        ofputil_packet_in_to_match(pin, &match);
-
-        /* The final argument is just an estimate of the space required. */
-        packet = ofpraw_alloc_xid(packet_in_raw, packet_in_version,
-                                  htonl(0), (sizeof(struct flow_metadata) * 2
-                                             + 2 + pin->packet_len));
-        ofpbuf_put_zeros(packet, packet_in_size);
-        oxm_put_match(packet, &match);
-        ofpbuf_put_zeros(packet, 2);
-        ofpbuf_put(packet, pin->packet, pin->packet_len);
-
-        opi = packet->l3;
-        opi->pi.buffer_id = htonl(pin->buffer_id);
-        opi->pi.total_len = htons(pin->total_len);
-        opi->pi.reason = pin->reason;
-        opi->pi.table_id = pin->table_id;
-        if (protocol == OFPUTIL_P_OF13_OXM) {
-            opi->cookie = pin->cookie;
-        }
-    } else if (packet_in_format == NXPIF_OPENFLOW10) {
-        struct ofp10_packet_in *opi;
-
-        packet = ofpraw_alloc_xid(OFPRAW_OFPT10_PACKET_IN, OFP10_VERSION,
-                                  htonl(0), pin->packet_len);
-        opi = ofpbuf_put_zeros(packet, offsetof(struct ofp10_packet_in, data));
-        opi->total_len = htons(pin->total_len);
-        opi->in_port = htons(ofp_to_u16(pin->fmd.in_port));
-        opi->reason = pin->reason;
-        opi->buffer_id = htonl(pin->buffer_id);
-
-        ofpbuf_put(packet, pin->packet, pin->packet_len);
-    } else if (packet_in_format == NXPIF_NXM) {
-        struct nx_packet_in *npi;
-        struct match match;
-        size_t match_len;
-
-        ofputil_packet_in_to_match(pin, &match);
-
-        /* The final argument is just an estimate of the space required. */
-        packet = ofpraw_alloc_xid(OFPRAW_NXT_PACKET_IN, OFP10_VERSION,
-                                  htonl(0), (sizeof(struct flow_metadata) * 2
-                                             + 2 + pin->packet_len));
-        ofpbuf_put_zeros(packet, sizeof *npi);
-        match_len = nx_put_match(packet, &match, 0, 0);
-        ofpbuf_put_zeros(packet, 2);
-        ofpbuf_put(packet, pin->packet, pin->packet_len);
-
-        npi = packet->l3;
-        npi->buffer_id = htonl(pin->buffer_id);
-        npi->total_len = htons(pin->total_len);
-        npi->reason = pin->reason;
-        npi->table_id = pin->table_id;
-        npi->cookie = pin->cookie;
-        npi->match_len = htons(match_len);
-    } else {
+    case OFPUTIL_P_OF12_OXM:
+    case OFPUTIL_P_OF13_OXM:
+        packet = ofputil_encode_ofp12_packet_in(pin, protocol);
+        break;
+
+    default:
         NOT_REACHED();
     }
-    ofpmsg_update_length(packet);
 
+    ofpmsg_update_length(packet);
     return packet;
 }
 
@@ -4478,7 +4556,7 @@ ofputil_decode_flow_monitor_request(struct ofputil_flow_monitor_request *rq,
 
     nfmr = ofpbuf_try_pull(msg, sizeof *nfmr);
     if (!nfmr) {
-        VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR request has %zu "
+        VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR request has %"PRIuSIZE" "
                      "leftover bytes at end", msg->size);
         return OFPERR_OFPBRC_BAD_LEN;
     }
@@ -4632,7 +4710,7 @@ ofputil_decode_flow_update(struct ofputil_flow_update *update,
     }
 
 bad_len:
-    VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR reply has %zu "
+    VLOG_WARN_RL(&bad_ofmsg_rl, "NXST_FLOW_MONITOR reply has %"PRIuSIZE" "
                  "leftover bytes at end", msg->size);
     return OFPERR_OFPBRC_BAD_LEN;
 }
@@ -5656,7 +5734,7 @@ ofputil_decode_port_stats(struct ofputil_port_stats *ps, struct ofpbuf *msg)
     }
 
  bad_len:
-    VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %zu leftover "
+    VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_PORT reply has %"PRIuSIZE" leftover "
                  "bytes at end", msg->size);
     return OFPERR_OFPBRC_BAD_LEN;
 }
@@ -5966,13 +6044,13 @@ ofputil_decode_group_stats_reply(struct ofpbuf *msg,
     }
 
     if (!ogs11) {
-        VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %zu leftover bytes at end",
+        VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %"PRIuSIZE" leftover bytes at end",
                      ofpraw_get_name(raw), msg->size);
         return OFPERR_OFPBRC_BAD_LEN;
     }
     length = ntohs(ogs11->length);
     if (length < sizeof base_len) {
-        VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply claims invalid length %zu",
+        VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply claims invalid length %"PRIuSIZE,
                      ofpraw_get_name(raw), length);
         return OFPERR_OFPBRC_BAD_LEN;
     }
@@ -5985,7 +6063,7 @@ ofputil_decode_group_stats_reply(struct ofpbuf *msg,
     gs->n_buckets = (length - base_len) / sizeof *obc;
     obc = ofpbuf_try_pull(msg, gs->n_buckets * sizeof *obc);
     if (!obc) {
-        VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %zu leftover bytes at end",
+        VLOG_WARN_RL(&bad_ofmsg_rl, "%s reply has %"PRIuSIZE" leftover bytes at end",
                      ofpraw_get_name(raw), msg->size);
         return OFPERR_OFPBRC_BAD_LEN;
     }
@@ -6054,18 +6132,18 @@ ofputil_pull_buckets(struct ofpbuf *msg, size_t buckets_length,
               ? ofpbuf_try_pull(msg, sizeof *ob)
               : NULL);
         if (!ob) {
-            VLOG_WARN_RL(&bad_ofmsg_rl, "buckets end with %zu leftover bytes",
+            VLOG_WARN_RL(&bad_ofmsg_rl, "buckets end with %"PRIuSIZE" leftover bytes",
                          buckets_length);
         }
 
         ob_len = ntohs(ob->len);
         if (ob_len < sizeof *ob) {
             VLOG_WARN_RL(&bad_ofmsg_rl, "OpenFlow message bucket length "
-                         "%zu is not valid", ob_len);
+                         "%"PRIuSIZE" is not valid", ob_len);
             return OFPERR_OFPGMFC_BAD_BUCKET;
         } else if (ob_len > buckets_length) {
             VLOG_WARN_RL(&bad_ofmsg_rl, "OpenFlow message bucket length "
-                         "%zu exceeds remaining buckets data size %zu",
+                         "%"PRIuSIZE" exceeds remaining buckets data size %"PRIuSIZE,
                          ob_len, buckets_length);
             return OFPERR_OFPGMFC_BAD_BUCKET;
         }
@@ -6124,7 +6202,7 @@ ofputil_decode_group_desc_reply(struct ofputil_group_desc *gd,
 
     ogds = ofpbuf_try_pull(msg, sizeof *ogds);
     if (!ogds) {
-        VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply has %zu "
+        VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply has %"PRIuSIZE" "
                      "leftover bytes at end", msg->size);
         return OFPERR_OFPBRC_BAD_LEN;
     }
@@ -6134,7 +6212,7 @@ ofputil_decode_group_desc_reply(struct ofputil_group_desc *gd,
     length = ntohs(ogds->length);
     if (length < sizeof *ogds || length - sizeof *ogds > msg->size) {
         VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST11_GROUP_DESC reply claims invalid "
-                     "length %zu", length);
+                     "length %"PRIuSIZE, length);
         return OFPERR_OFPBRC_BAD_LEN;
     }
 
@@ -6450,7 +6528,7 @@ ofputil_decode_queue_stats(struct ofputil_queue_stats *qs, struct ofpbuf *msg)
     }
 
  bad_len:
-    VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %zu leftover "
+    VLOG_WARN_RL(&bad_ofmsg_rl, "OFPST_QUEUE reply has %"PRIuSIZE" leftover "
                  "bytes at end", msg->size);
     return OFPERR_OFPBRC_BAD_LEN;
 }