X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fofp-print.c;h=25988b22c2ba16b75ebc7b3d04c87dbc4df50b9c;hb=7a7b8e4878bd5b698ecf04f5d9c6f2b1b9dc426d;hp=4bbcda2350c153a09c0944dffb380c134bdcfe0c;hpb=176265ed070cb38314857d0e7c08269d73967e10;p=sliver-openvswitch.git

diff --git a/lib/ofp-print.c b/lib/ofp-print.c
index 4bbcda235..25988b22c 100644
--- a/lib/ofp-print.c
+++ b/lib/ofp-print.c
@@ -43,13 +43,14 @@
 #include <stdlib.h>
 #include <ctype.h>
 
-#include "buffer.h"
 #include "compiler.h"
 #include "dynamic-string.h"
 #include "flow.h"
-#include "util.h"
+#include "ofpbuf.h"
 #include "openflow.h"
+#include "nicira-ext.h"
 #include "packets.h"
+#include "util.h"
 
 static void ofp_print_port_name(struct ds *string, uint16_t port);
 static void ofp_print_match(struct ds *, const struct ofp_match *,
@@ -96,7 +97,7 @@ ofp_packet_to_string(const void *data, size_t len, size_t total_len)
 
     pcap = tmpfile();
     if (!pcap) {
-        error(errno, "tmpfile");
+        ofp_error(errno, "tmpfile");
         return xstrdup("<error>");
     }
 
@@ -121,16 +122,16 @@ ofp_packet_to_string(const void *data, size_t len, size_t total_len)
 
     fflush(pcap);
     if (ferror(pcap)) {
-        error(errno, "error writing temporary file");
+        ofp_error(errno, "error writing temporary file");
     }
     rewind(pcap);
 
-    snprintf(command, sizeof command, "tcpdump -n -r /dev/fd/%d 2>/dev/null",
+    snprintf(command, sizeof command, "/usr/sbin/tcpdump -e -n -r /dev/fd/%d 2>/dev/null",
              fileno(pcap));
     tcpdump = popen(command, "r");
     fclose(pcap);
     if (!tcpdump) {
-        error(errno, "exec(\"%s\")", command);
+        ofp_error(errno, "exec(\"%s\")", command);
         return xstrdup("<error>");
     }
 
@@ -141,9 +142,9 @@ ofp_packet_to_string(const void *data, size_t len, size_t total_len)
     status = pclose(tcpdump);
     if (WIFEXITED(status)) {
         if (WEXITSTATUS(status))
-            error(0, "tcpdump exited with status %d", WEXITSTATUS(status));
+            ofp_error(0, "tcpdump exited with status %d", WEXITSTATUS(status));
     } else if (WIFSIGNALED(status)) {
-        error(0, "tcpdump exited with signal %d", WTERMSIG(status)); 
+        ofp_error(0, "tcpdump exited with signal %d", WTERMSIG(status)); 
     }
     return ds_cstr(&ds);
 }
@@ -180,7 +181,7 @@ ofp_packet_in(struct ds *string, const void *oh, size_t len, int verbosity)
 
     if (verbosity > 0) {
         struct flow flow;
-        struct buffer packet;
+        struct ofpbuf packet;
         struct ofp_match match;
         packet.data = (void *) op->data;
         packet.size = data_len;
@@ -244,89 +245,224 @@ static void ofp_print_port_name(struct ds *string, uint16_t port)
 }
 
 static void
-ofp_print_action(struct ds *string, const struct ofp_action *a) 
+ofp_print_nx_action(struct ds *string, const struct nx_action_header *nah)
 {
-    switch (ntohs(a->type)) {
-    case OFPAT_OUTPUT:
-        {
-            uint16_t port = ntohs(a->arg.output.port); 
-            if (port < OFPP_MAX) {
-                ds_put_format(string, "output:%"PRIu16, port);
-            } else {
-                ofp_print_port_name(string, port);
-                if (port == OFPP_CONTROLLER) {
-                    if (a->arg.output.max_len) {
-                        ds_put_format(string, ":%"PRIu16, 
-                                ntohs(a->arg.output.max_len));
-                    } else {
-                        ds_put_cstr(string, ":all");
-                    }
+
+    if (nah->subtype == htonl(NXAST_SNAT)) {
+        const struct nx_action_snat *nas = (struct nx_action_snat *)nah;
+        uint16_t port = ntohs(nas->port);
+
+        if (port < OFPP_MAX) {
+            ds_put_format(string, "nat:%"PRIu16, port);
+        } else {
+            ds_put_format(string, "nat:%"PRIu16" (invalid port)", port);
+        }
+    } else {
+        ds_put_format(string, "***unknown Nicira action:%d***\n", 
+                ntohl(nah->subtype));
+    }
+}
+
+static int
+ofp_print_action(struct ds *string, const struct ofp_action_header *ah, 
+        size_t actions_len) 
+{
+    uint16_t type;
+    size_t len;
+
+    struct openflow_action {
+        size_t min_size;
+        size_t max_size;
+    };
+
+    const struct openflow_action of_actions[] = {
+        [OFPAT_OUTPUT] = {
+            sizeof(struct ofp_action_output),
+            sizeof(struct ofp_action_output),
+        },
+        [OFPAT_SET_VLAN_VID] = {
+            sizeof(struct ofp_action_vlan_vid),
+            sizeof(struct ofp_action_vlan_vid),
+        },
+        [OFPAT_SET_VLAN_PCP] = {
+            sizeof(struct ofp_action_vlan_pcp),
+            sizeof(struct ofp_action_vlan_pcp),
+        },
+        [OFPAT_STRIP_VLAN] = {
+            sizeof(struct ofp_action_header),
+            sizeof(struct ofp_action_header),
+        },
+        [OFPAT_SET_DL_SRC] = {
+            sizeof(struct ofp_action_dl_addr),
+            sizeof(struct ofp_action_dl_addr),
+        },
+        [OFPAT_SET_DL_DST] = {
+            sizeof(struct ofp_action_dl_addr),
+            sizeof(struct ofp_action_dl_addr),
+        },
+        [OFPAT_SET_NW_SRC] = {
+            sizeof(struct ofp_action_nw_addr),
+            sizeof(struct ofp_action_nw_addr),
+        },
+        [OFPAT_SET_NW_DST] = {
+            sizeof(struct ofp_action_nw_addr),
+            sizeof(struct ofp_action_nw_addr),
+        },
+        [OFPAT_SET_TP_SRC] = {
+            sizeof(struct ofp_action_tp_port),
+            sizeof(struct ofp_action_tp_port),
+        },
+        [OFPAT_SET_TP_DST] = {
+            sizeof(struct ofp_action_tp_port),
+            sizeof(struct ofp_action_tp_port),
+        }
+        /* OFPAT_VENDOR is not here, since it would blow up the array size. */
+    };
+
+    if (actions_len < sizeof *ah) {
+        ds_put_format(string, "***action array too short for next action***\n");
+        return -1;
+    }
+
+    type = ntohs(ah->type);
+    len = ntohs(ah->len);
+    if (actions_len < len) {
+        ds_put_format(string, "***truncated action %"PRIu16"***\n", type);
+        return -1;
+    }
+
+    if ((len % 8) != 0) {
+        ds_put_format(string, 
+                "***action %"PRIu16" length not a multiple of 8***\n",
+                type);
+        return -1;
+    }
+
+    if (type < ARRAY_SIZE(of_actions)) {
+        const struct openflow_action *act = &of_actions[type];
+        if ((len < act->min_size) || (len > act->max_size)) {
+            ds_put_format(string, 
+                    "***action %"PRIu16" wrong length: %"PRIu16"***\n", 
+                    type, len);
+            return -1;
+        }
+    }
+    
+    switch (type) {
+    case OFPAT_OUTPUT: {
+        struct ofp_action_output *oa = (struct ofp_action_output *)ah;
+        uint16_t port = ntohs(oa->port); 
+        if (port < OFPP_MAX) {
+            ds_put_format(string, "output:%"PRIu16, port);
+        } else {
+            ofp_print_port_name(string, port);
+            if (port == OFPP_CONTROLLER) {
+                if (oa->max_len) {
+                    ds_put_format(string, ":%"PRIu16, ntohs(oa->max_len));
+                } else {
+                    ds_put_cstr(string, ":all");
                 }
             }
         }
         break;
+    }
 
-    case OFPAT_SET_DL_VLAN:
-        ds_put_cstr(string, "mod_vlan:");
-        if (ntohs(a->arg.vlan_id) == OFP_VLAN_NONE) {
-            ds_put_cstr(string, "strip");
-        } else {
-            ds_put_format(string, "%"PRIu16, ntohs(a->arg.vlan_id));
-        }
+    case OFPAT_SET_VLAN_VID: {
+        struct ofp_action_vlan_vid *va = (struct ofp_action_vlan_vid *)ah;
+        ds_put_format(string, "mod_vlan_vid:%"PRIu16, ntohs(va->vlan_vid));
+        break;
+    }
+
+    case OFPAT_SET_VLAN_PCP: {
+        struct ofp_action_vlan_pcp *va = (struct ofp_action_vlan_pcp *)ah;
+        ds_put_format(string, "mod_vlan_pcp:%"PRIu8, va->vlan_pcp);
+        break;
+    }
+
+    case OFPAT_STRIP_VLAN:
+        ds_put_cstr(string, "strip_vlan");
         break;
 
-    case OFPAT_SET_DL_SRC:
+    case OFPAT_SET_DL_SRC: {
+        struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah;
         ds_put_format(string, "mod_dl_src:"ETH_ADDR_FMT, 
-                ETH_ADDR_ARGS(a->arg.dl_addr));
+                ETH_ADDR_ARGS(da->dl_addr));
         break;
+    }
 
-    case OFPAT_SET_DL_DST:
+    case OFPAT_SET_DL_DST: {
+        struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah;
         ds_put_format(string, "mod_dl_dst:"ETH_ADDR_FMT, 
-                ETH_ADDR_ARGS(a->arg.dl_addr));
+                ETH_ADDR_ARGS(da->dl_addr));
         break;
+    }
 
-    case OFPAT_SET_NW_SRC:
-        ds_put_format(string, "mod_nw_src:"IP_FMT, IP_ARGS(&a->arg.nw_addr));
+    case OFPAT_SET_NW_SRC: {
+        struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah;
+        ds_put_format(string, "mod_nw_src:"IP_FMT, IP_ARGS(na->nw_addr));
         break;
+    }
 
-    case OFPAT_SET_NW_DST:
-        ds_put_format(string, "mod_nw_dst:"IP_FMT, IP_ARGS(&a->arg.nw_addr));
+    case OFPAT_SET_NW_DST: {
+        struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah;
+        ds_put_format(string, "mod_nw_dst:"IP_FMT, IP_ARGS(na->nw_addr));
         break;
+    }
 
-    case OFPAT_SET_TP_SRC:
-        ds_put_format(string, "mod_tp_src:%d", ntohs(a->arg.tp));
+    case OFPAT_SET_TP_SRC: {
+        struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah;
+        ds_put_format(string, "mod_tp_src:%d", ntohs(ta->tp_port));
         break;
+    }
 
-    case OFPAT_SET_TP_DST:
-        ds_put_format(string, "mod_tp_dst:%d", ntohs(a->arg.tp));
+    case OFPAT_SET_TP_DST: {
+        struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah;
+        ds_put_format(string, "mod_tp_dst:%d", ntohs(ta->tp_port));
+        break;
+    }
+
+    case OFPAT_VENDOR: {
+        struct ofp_action_vendor_header *avh 
+                = (struct ofp_action_vendor_header *)ah;
+        if (len < sizeof *avh) {
+            ds_put_format(string, "***ofpat_vendor truncated***\n");
+            return -1;
+        }
+        if (avh->vendor == htonl(NX_VENDOR_ID)) {
+            ofp_print_nx_action(string, (struct nx_action_header *)avh);
+        } else {
+            ds_put_format(string, "vendor action:0x%x", ntohl(avh->vendor));
+        }
         break;
+    }
 
     default:
-        ds_put_format(string, "(decoder %"PRIu16" not implemented)", 
-                ntohs(a->type));
+        ds_put_format(string, "(decoder %"PRIu16" not implemented)", type);
         break;
     }
+
+    return len;
 }
 
-static void ofp_print_actions(struct ds *string,
-                              const struct ofp_action actions[],
-                              size_t n_bytes) 
+static void 
+ofp_print_actions(struct ds *string, const struct ofp_action_header *action,
+                  size_t actions_len) 
 {
-    size_t i;
-    int n_actions = n_bytes / sizeof *actions;
+    uint8_t *p = (uint8_t *)action;
+    size_t len = 0;
 
-    ds_put_format(string, "action%s=", n_actions == 1 ? "" : "s");
-    for (i = 0; i < n_actions; i++) {
-        if (i) {
+    ds_put_cstr(string, "actions=");
+    while (actions_len > 0) {
+        if (len) {
             ds_put_cstr(string, ",");
         }
-        ofp_print_action(string, &actions[i]);
-    }
-    if (n_bytes % sizeof *actions) {
-        if (i) {
-            ds_put_cstr(string, ",");
+        len = ofp_print_action(string, (struct ofp_action_header *)p, 
+                actions_len);
+        if (len < 0) {
+            return;
         }
-        ds_put_cstr(string, ", ***trailing garbage***");
+        p += len;
+        actions_len -= len;
     }
 }
 
@@ -336,25 +472,24 @@ static void ofp_packet_out(struct ds *string, const void *oh, size_t len,
                            int verbosity) 
 {
     const struct ofp_packet_out *opo = oh;
-    int n_actions = ntohs(opo->n_actions);
-    int act_len = n_actions * sizeof opo->actions[0];
+    size_t actions_len = ntohs(opo->actions_len);
 
     ds_put_cstr(string, " in_port=");
     ofp_print_port_name(string, ntohs(opo->in_port));
 
-    ds_put_format(string, " n_actions=%d ", n_actions);
-    if (act_len > (ntohs(opo->header.length) - sizeof *opo)) {
-        ds_put_format(string, "***packet too short for number of actions***\n");
+    ds_put_format(string, " actions_len=%zu ", actions_len);
+    if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) {
+        ds_put_format(string, "***packet too short for action length***\n");
         return;
     }
-    ofp_print_actions(string, opo->actions, act_len);
+    ofp_print_actions(string, opo->actions, actions_len);
 
     if (ntohl(opo->buffer_id) == UINT32_MAX) {
-        int data_len = len - sizeof *opo - act_len;
+        int data_len = len - sizeof *opo - actions_len;
         ds_put_format(string, " data_len=%d", data_len);
         if (verbosity > 0 && len > sizeof *opo) {
-            char *packet = ofp_packet_to_string(&opo->actions[n_actions], 
-                                                data_len, data_len);
+            char *packet = ofp_packet_to_string(
+                    (uint8_t *)opo->actions + actions_len, data_len, data_len);
             ds_put_char(string, '\n');
             ds_put_cstr(string, packet);
             free(packet);
@@ -377,6 +512,51 @@ compare_ports(const void *a_, const void *b_)
     return ap < bp ? -1 : ap > bp;
 }
 
+static void ofp_print_port_features(struct ds *string, uint32_t features)
+{
+    if (features == 0) {
+        ds_put_cstr(string, "Unsupported\n");
+        return;
+    }
+    if (features & OFPPF_10MB_HD) {
+        ds_put_cstr(string, "10MB-HD ");
+    }
+    if (features & OFPPF_10MB_FD) {
+        ds_put_cstr(string, "10MB-FD ");
+    }
+    if (features & OFPPF_100MB_HD) {
+        ds_put_cstr(string, "100MB-HD ");
+    }
+    if (features & OFPPF_100MB_FD) {
+        ds_put_cstr(string, "100MB-FD ");
+    }
+    if (features & OFPPF_1GB_HD) {
+        ds_put_cstr(string, "1GB-HD ");
+    }
+    if (features & OFPPF_1GB_FD) {
+        ds_put_cstr(string, "1GB-FD ");
+    }
+    if (features & OFPPF_10GB_FD) {
+        ds_put_cstr(string, "10GB-FD ");
+    }
+    if (features & OFPPF_COPPER) {
+        ds_put_cstr(string, "COPPER ");
+    }
+    if (features & OFPPF_FIBER) {
+        ds_put_cstr(string, "FIBER ");
+    }
+    if (features & OFPPF_AUTONEG) {
+        ds_put_cstr(string, "AUTO_NEG ");
+    }
+    if (features & OFPPF_PAUSE) {
+        ds_put_cstr(string, "AUTO_PAUSE ");
+    }
+    if (features & OFPPF_PAUSE_ASYM) {
+        ds_put_cstr(string, "AUTO_PAUSE_ASYM ");
+    }
+    ds_put_char(string, '\n');
+}
+
 static void
 ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
 {
@@ -393,10 +573,25 @@ ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
 
     ds_put_char(string, ' ');
     ofp_print_port_name(string, ntohs(port->port_no));
-    ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT", speed:%d, flags:%#x, "
-            "feat:%#x\n", name, 
-            ETH_ADDR_ARGS(port->hw_addr), ntohl(port->speed),
-            ntohl(port->flags), ntohl(port->features));
+    ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT", config: %#x, state:%#x\n",
+            name, ETH_ADDR_ARGS(port->hw_addr), ntohl(port->config),
+            ntohl(port->state));
+    if (port->curr) {
+        ds_put_format(string, "     current:    ");
+        ofp_print_port_features(string, ntohl(port->curr));
+    }
+    if (port->advertised) {
+        ds_put_format(string, "     advertised: ");
+        ofp_print_port_features(string, ntohl(port->advertised));
+    }
+    if (port->supported) {
+        ds_put_format(string, "     supported:  ");
+        ofp_print_port_features(string, ntohl(port->supported));
+    }
+    if (port->peer) {
+        ds_put_format(string, "     peer:       ");
+        ofp_print_port_features(string, ntohl(port->peer));
+    }
 }
 
 /* Pretty-print the struct ofp_switch_features of 'len' bytes at 'oh' to
@@ -406,11 +601,12 @@ ofp_print_switch_features(struct ds *string, const void *oh, size_t len,
                           int verbosity)
 {
     const struct ofp_switch_features *osf = oh;
-    struct ofp_phy_port port_list[OFPP_MAX];
+    struct ofp_phy_port *port_list;
     int n_ports;
     int i;
 
-    ds_put_format(string, "dp id:%"PRIx64"\n", ntohll(osf->datapath_id));
+    ds_put_format(string, " ver:0x%x, dpid:%"PRIx64"\n", 
+            osf->header.version, ntohll(osf->datapath_id));
     ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables,
             ntohl(osf->n_buffers));
     ds_put_format(string, "features: capabilities:%#x, actions:%#x\n",
@@ -421,11 +617,12 @@ ofp_print_switch_features(struct ds *string, const void *oh, size_t len,
     }
     n_ports = (len - sizeof *osf) / sizeof *osf->ports;
 
-    memcpy(port_list, osf->ports, (len - sizeof *osf));
-    qsort(port_list, n_ports, sizeof port_list[0], compare_ports);
+    port_list = xmemdup(osf->ports, len - sizeof *osf); 
+    qsort(port_list, n_ports, sizeof *port_list, compare_ports);
     for (i = 0; i < n_ports; i++) {
         ofp_print_phy_port(string, &port_list[i]);
     }
+    free(port_list);
 }
 
 /* Pretty-print the struct ofp_switch_config of 'len' bytes at 'oh' to 'string'
@@ -558,9 +755,27 @@ ofp_print_flow_mod(struct ds *string, const void *oh, size_t len,
     const struct ofp_flow_mod *ofm = oh;
 
     ofp_print_match(string, &ofm->match, verbosity);
-    ds_put_format(string, " cmd:%d idle:%d hard:%d pri:%d buf:%#x", 
-            ntohs(ofm->command), ntohs(ofm->idle_timeout),
-            ntohs(ofm->hard_timeout),
+    switch (ntohs(ofm->command)) {
+    case OFPFC_ADD:
+        ds_put_cstr(string, " ADD: ");
+        break;
+    case OFPFC_MODIFY:
+        ds_put_cstr(string, " MOD: ");
+        break;
+    case OFPFC_MODIFY_STRICT:
+        ds_put_cstr(string, " MOD_STRICT: ");
+        break;
+    case OFPFC_DELETE:
+        ds_put_cstr(string, " DEL: ");
+        break;
+    case OFPFC_DELETE_STRICT:
+        ds_put_cstr(string, " DEL_STRICT: ");
+        break;
+    default:
+        ds_put_format(string, " cmd:%d ", ntohs(ofm->command));
+    }
+    ds_put_format(string, "idle:%d hard:%d pri:%d buf:%#x", 
+            ntohs(ofm->idle_timeout), ntohs(ofm->hard_timeout),
             ofm->match.wildcards ? ntohs(ofm->priority) : (uint16_t)-1,
             ntohl(ofm->buffer_id));
     ofp_print_actions(string, ofm->actions,
@@ -596,16 +811,109 @@ ofp_print_flow_expired(struct ds *string, const void *oh, size_t len,
          ntohll(ofe->byte_count));
 }
 
-/* Pretty-print the OFPT_ERROR_MSG packet of 'len' bytes at 'oh' to 'string'
+static void
+ofp_print_port_mod(struct ds *string, const void *oh, size_t len,
+                   int verbosity)
+{
+    const struct ofp_port_mod *opm = oh;
+
+    ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n",
+            ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr), 
+            ntohl(opm->config), ntohl(opm->mask));
+    ds_put_format(string, "     advertise: ");
+    if (opm->advertise) {
+        ofp_print_port_features(string, ntohl(opm->advertise));
+    } else {
+        ds_put_format(string, "UNCHANGED\n");
+    }
+}
+
+struct error_type {
+    int type;
+    int code;
+    const char *name;
+};
+
+static const struct error_type error_types[] = {
+#define ERROR_TYPE(TYPE) {TYPE, -1, #TYPE}
+#define ERROR_CODE(TYPE, CODE) {TYPE, CODE, #CODE}
+    ERROR_TYPE(OFPET_HELLO_FAILED),
+    ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_INCOMPATIBLE),
+
+    ERROR_TYPE(OFPET_BAD_REQUEST),
+    ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VERSION),
+    ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_TYPE),
+    ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_STAT),
+    ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VERSION),
+
+    ERROR_TYPE(OFPET_BAD_ACTION),
+    ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_TYPE),
+    ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_LEN),
+    ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR),
+    ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR_TYPE),
+    ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_OUT_PORT),
+
+    ERROR_TYPE(OFPET_FLOW_MOD_FAILED),
+    ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_ALL_TABLES_FULL)
+};
+#define N_ERROR_TYPES ARRAY_SIZE(error_types)
+
+static const char *
+lookup_error_type(int type)
+{
+    const struct error_type *t;
+
+    for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) {
+        if (t->type == type && t->code == -1) {
+            return t->name;
+        }
+    }
+    return "?";
+}
+
+static const char *
+lookup_error_code(int type, int code)
+{
+    const struct error_type *t;
+
+    for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) {
+        if (t->type == type && t->code == code) {
+            return t->name;
+        }
+    }
+    return "?";
+}
+
+/* Pretty-print the OFPT_ERROR packet of 'len' bytes at 'oh' to 'string'
  * at the given 'verbosity' level. */
 static void
 ofp_print_error_msg(struct ds *string, const void *oh, size_t len, 
                        int verbosity)
 {
     const struct ofp_error_msg *oem = oh;
+    int type = ntohs(oem->type);
+    int code = ntohs(oem->code);
+    char *s;
 
-    ds_put_format(string, 
-         " type%d code%d\n", ntohs(oem->type), ntohs(oem->code));
+    ds_put_format(string, " type%d(%s) code%d(%s) payload:\n",
+                  type, lookup_error_type(type),
+                  code, lookup_error_code(type, code));
+
+    switch (type) {
+    case OFPET_HELLO_FAILED:
+        ds_put_printable(string, (char *) oem->data, len - sizeof *oem);
+        break;
+
+    case OFPET_BAD_REQUEST:
+        s = ofp_to_string(oem->data, len - sizeof *oem, 1);
+        ds_put_cstr(string, s);
+        free(s);
+        break;
+
+    default:
+        ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
+        break;
+    }
 }
 
 /* Pretty-print the OFPT_PORT_STATUS packet of 'len' bytes at 'oh' to 'string'
@@ -617,13 +925,11 @@ ofp_print_port_status(struct ds *string, const void *oh, size_t len,
     const struct ofp_port_status *ops = oh;
 
     if (ops->reason == OFPPR_ADD) {
-        ds_put_format(string, "add:");
+        ds_put_format(string, " ADD:");
     } else if (ops->reason == OFPPR_DELETE) {
-        ds_put_format(string, "del:");
-    } else if (ops->reason == OFPPR_MOD) {
-        ds_put_format(string, "mod:");
-    } else {
-        ds_put_format(string, "err:");
+        ds_put_format(string, " DEL:");
+    } else if (ops->reason == OFPPR_MODIFY) {
+        ds_put_format(string, " MOD:");
     }
 
     ofp_print_phy_port(string, &ops->desc);
@@ -807,26 +1113,22 @@ ofp_table_stats_reply(struct ds *string, const void *body, size_t len,
         ds_put_format(string, "  %d: %-8s: ", ts->table_id, name);
         ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
         ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
-        ds_put_format(string, "active=%6"PRIu32", ", ntohl(ts->active_count));
-        ds_put_format(string, "matched=%6"PRIu64"\n",
-                      ntohll(ts->matched_count));
+        ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
+        ds_put_cstr(string, "               ");
+        ds_put_format(string, "lookup=%"PRIu64", ", 
+                    ntohll(ts->lookup_count));
+        ds_put_format(string, "matched=%"PRIu64"\n",
+                    ntohll(ts->matched_count));
      }
 }
 
 static void
-switch_status_reply(struct ds *string, const void *body, size_t len,
-                    int verbosity UNUSED)
+vendor_stat(struct ds *string, const void *body, size_t len,
+            int verbosity UNUSED)
 {
-    char *save_ptr = NULL;
-    char *s, *line;
-
-    s = xmemdup0(body, len);
-    for (line = strtok_r(s, "\n\n", &save_ptr); line != NULL;
-         line = strtok_r(NULL, "\n\n", &save_ptr)) {
-        ds_put_printable(string, line, strlen(line));
-        ds_put_char(string, '\n');
-    }
-    free(s);
+    ds_put_format(string, " vendor=%08"PRIx32, ntohl(*(uint32_t *) body));
+    ds_put_format(string, " %zu bytes additional data",
+                  len - sizeof(uint32_t));
 }
 
 enum stats_direction {
@@ -844,25 +1146,29 @@ print_stats(struct ds *string, int type, const void *body, size_t body_len,
     };
 
     struct stats_type {
+        int type;
         const char *name;
         struct stats_msg request;
         struct stats_msg reply;
     };
 
     static const struct stats_type stats_types[] = {
-        [OFPST_DESC] = {
+        {
+            OFPST_DESC,
             "description",
             { 0, 0, NULL },
             { 0, SIZE_MAX, ofp_desc_stats_reply },
         },
-        [OFPST_FLOW] = {
+        {
+            OFPST_FLOW,
             "flow",
             { sizeof(struct ofp_flow_stats_request),
               sizeof(struct ofp_flow_stats_request),
               ofp_flow_stats_request },
             { 0, SIZE_MAX, ofp_flow_stats_reply },
         },
-        [OFPST_AGGREGATE] = {
+        {
+            OFPST_AGGREGATE,
             "aggregate",
             { sizeof(struct ofp_aggregate_stats_request),
               sizeof(struct ofp_aggregate_stats_request),
@@ -871,20 +1177,29 @@ print_stats(struct ds *string, int type, const void *body, size_t body_len,
               sizeof(struct ofp_aggregate_stats_reply),
               ofp_aggregate_stats_reply },
         },
-        [OFPST_TABLE] = {
+        {
+            OFPST_TABLE,
             "table",
             { 0, 0, NULL },
             { 0, SIZE_MAX, ofp_table_stats_reply },
         },
-        [OFPST_PORT] = {
+        {
+            OFPST_PORT,
             "port",
             { 0, 0, NULL, },
             { 0, SIZE_MAX, ofp_port_stats_reply },
         },
-        [OFPST_SWITCH] = {
-            "switch status",
+        {
+            OFPST_VENDOR,
+            "vendor-specific",
+            { sizeof(uint32_t), SIZE_MAX, vendor_stat },
+            { sizeof(uint32_t), SIZE_MAX, vendor_stat },
+        },
+        {
+            -1,
+            "unknown",
+            { 0, 0, NULL, },
             { 0, 0, NULL, },
-            { 0, SIZE_MAX, switch_status_reply },
         },
     };
 
@@ -895,7 +1210,11 @@ print_stats(struct ds *string, int type, const void *body, size_t body_len,
         ds_put_format(string, " ***unknown type %d***", type);
         return;
     }
-    s = &stats_types[type];
+    for (s = stats_types; s->type >= 0; s++) {
+        if (s->type == type) {
+            break;
+        }
+    }
     ds_put_format(string, " type=%d(%s)\n", type, s->name);
 
     m = direction == REQUEST ? &s->request : &s->reply;
@@ -960,88 +1279,111 @@ ofp_echo(struct ds *string, const void *oh, size_t len, int verbosity)
 }
 
 struct openflow_packet {
+    uint8_t type;
     const char *name;
     size_t min_size;
     void (*printer)(struct ds *, const void *, size_t len, int verbosity);
 };
 
 static const struct openflow_packet packets[] = {
-    [OFPT_FEATURES_REQUEST] = {
+    {
+        OFPT_HELLO,
+        "hello",
+        sizeof (struct ofp_header),
+        NULL,
+    },
+    {
+        OFPT_FEATURES_REQUEST,
         "features_request",
         sizeof (struct ofp_header),
         NULL,
     },
-    [OFPT_FEATURES_REPLY] = {
+    {
+        OFPT_FEATURES_REPLY,
         "features_reply",
         sizeof (struct ofp_switch_features),
         ofp_print_switch_features,
     },
-    [OFPT_GET_CONFIG_REQUEST] = {
+    {
+        OFPT_GET_CONFIG_REQUEST,
         "get_config_request",
         sizeof (struct ofp_header),
         NULL,
     },
-    [OFPT_GET_CONFIG_REPLY] = {
+    {
+        OFPT_GET_CONFIG_REPLY,
         "get_config_reply",
         sizeof (struct ofp_switch_config),
         ofp_print_switch_config,
     },
-    [OFPT_SET_CONFIG] = {
+    {
+        OFPT_SET_CONFIG,
         "set_config",
         sizeof (struct ofp_switch_config),
         ofp_print_switch_config,
     },
-    [OFPT_PACKET_IN] = {
+    {
+        OFPT_PACKET_IN,
         "packet_in",
         offsetof(struct ofp_packet_in, data),
         ofp_packet_in,
     },
-    [OFPT_PACKET_OUT] = {
+    {
+        OFPT_PACKET_OUT,
         "packet_out",
         sizeof (struct ofp_packet_out),
         ofp_packet_out,
     },
-    [OFPT_FLOW_MOD] = {
+    {
+        OFPT_FLOW_MOD,
         "flow_mod",
         sizeof (struct ofp_flow_mod),
         ofp_print_flow_mod,
     },
-    [OFPT_FLOW_EXPIRED] = {
+    {
+        OFPT_FLOW_EXPIRED,
         "flow_expired",
         sizeof (struct ofp_flow_expired),
         ofp_print_flow_expired,
     },
-    [OFPT_PORT_MOD] = {
+    {
+        OFPT_PORT_MOD,
         "port_mod",
         sizeof (struct ofp_port_mod),
-        NULL,
+        ofp_print_port_mod,
     },
-    [OFPT_PORT_STATUS] = {
+    {
+        OFPT_PORT_STATUS,
         "port_status",
         sizeof (struct ofp_port_status),
         ofp_print_port_status
     },
-    [OFPT_ERROR_MSG] = {
+    {
+        OFPT_ERROR,
         "error_msg",
         sizeof (struct ofp_error_msg),
         ofp_print_error_msg,
     },
-    [OFPT_STATS_REQUEST] = {
+    {
+        OFPT_STATS_REQUEST,
         "stats_request",
         sizeof (struct ofp_stats_request),
         ofp_stats_request,
     },
-    [OFPT_STATS_REPLY] = {
+    {
+        OFPT_STATS_REPLY,
         "stats_reply",
         sizeof (struct ofp_stats_reply),
         ofp_stats_reply,
     },
-    [OFPT_ECHO_REQUEST] = {
+    {
+        OFPT_ECHO_REQUEST,
         "echo_request",
         sizeof (struct ofp_header),
         ofp_echo,
     },
-    [OFPT_ECHO_REPLY] = {
+    {
+        OFPT_ECHO_REPLY,
         "echo_reply",
         sizeof (struct ofp_header),
         ofp_echo,
@@ -1067,14 +1409,19 @@ ofp_to_string(const void *oh_, size_t len, int verbosity)
         ds_put_format(&string, "Bad OpenFlow version %"PRIu8":\n", oh->version);
         ds_put_hex_dump(&string, oh, len, 0, true);
         return ds_cstr(&string);
-    } else if (oh->type >= ARRAY_SIZE(packets) || !packets[oh->type].name) {
-        ds_put_format(&string, "Unknown OpenFlow packet type %"PRIu8":\n",
-                oh->type);
-        ds_put_hex_dump(&string, oh, len, 0, true);
-        return ds_cstr(&string);
     }
 
-    pkt = &packets[oh->type];
+    for (pkt = packets; ; pkt++) {
+        if (pkt >= &packets[ARRAY_SIZE(packets)]) {
+            ds_put_format(&string, "Unknown OpenFlow packet type %"PRIu8":\n",
+                          oh->type);
+            ds_put_hex_dump(&string, oh, len, 0, true);
+            return ds_cstr(&string);
+        } else if (oh->type == pkt->type) {
+            break;
+        }
+    }
+
     ds_put_format(&string, "%s (xid=0x%"PRIx32"):", pkt->name, oh->xid);
 
     if (ntohs(oh->length) > len)