#include <stdlib.h>
#include <ctype.h>
+#include "buffer.h"
#include "compiler.h"
#include "dynamic-string.h"
+#include "flow.h"
#include "util.h"
#include "openflow.h"
#include "packets.h"
static void ofp_print_port_name(struct ds *string, uint16_t port);
+static void ofp_print_match(struct ds *, const struct ofp_match *,
+ int verbosity);
/* Returns a string that represents the contents of the Ethernet frame in the
* 'len' bytes starting at 'data' to 'stream' as output by tcpdump.
if (ntohs(op->total_len) != data_len)
ds_put_format(string, " (***total_len != data_len***)");
} else {
- ds_put_format(string, " buffer=%08"PRIx32, ntohl(op->buffer_id));
+ ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(op->buffer_id));
if (ntohs(op->total_len) < data_len)
ds_put_format(string, " (***total_len < data_len***)");
}
ds_put_char(string, '\n');
if (verbosity > 0) {
+ struct flow flow;
+ struct buffer packet;
+ struct ofp_match match;
+ packet.data = (void *) op->data;
+ packet.size = data_len;
+ flow_extract(&packet, ntohs(op->in_port), &flow);
+ match.wildcards = 0;
+ match.in_port = flow.in_port;
+ memcpy(match.dl_src, flow.dl_src, ETH_ADDR_LEN);
+ memcpy(match.dl_dst, flow.dl_dst, ETH_ADDR_LEN);
+ match.dl_vlan = flow.dl_vlan;
+ match.dl_type = flow.dl_type;
+ match.nw_proto = flow.nw_proto;
+ match.pad = 0;
+ match.nw_src = flow.nw_src;
+ match.nw_dst = flow.nw_dst;
+ match.tp_src = flow.tp_src;
+ match.tp_dst = flow.tp_dst;
+ ofp_print_match(string, &match, verbosity);
+ ds_put_char(string, '\n');
+ }
+ if (verbosity > 1) {
char *packet = ofp_packet_to_string(op->data, data_len,
ntohs(op->total_len));
ds_put_cstr(string, packet);
{
const char *name;
switch (port) {
+ case OFPP_IN_PORT:
+ name = "IN_PORT";
+ break;
case OFPP_TABLE:
name = "TABLE";
break;
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];
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");
+ return;
+ }
+ ofp_print_actions(string, opo->actions, act_len);
+
if (ntohl(opo->buffer_id) == UINT32_MAX) {
- ds_put_cstr(string, " out_port=");
- ofp_print_port_name(string, ntohs(opo->out_port));
+ int data_len = len - sizeof *opo - act_len;
+ ds_put_format(string, " data_len=%d", data_len);
if (verbosity > 0 && len > sizeof *opo) {
- char *packet = ofp_packet_to_string(opo->u.data, len - sizeof *opo,
- len - sizeof *opo);
+ char *packet = ofp_packet_to_string(&opo->actions[n_actions],
+ data_len, data_len);
ds_put_char(string, '\n');
ds_put_cstr(string, packet);
free(packet);
}
} else {
- ds_put_format(string, " buffer=%08"PRIx32, ntohl(opo->buffer_id));
- ofp_print_actions(string, opo->u.actions, len - sizeof *opo);
+ ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id));
}
ds_put_char(string, '\n');
}
int i;
ds_put_format(string, "dp id:%"PRIx64"\n", ntohll(osf->datapath_id));
- ds_put_format(string, "tables: exact:%d, compressed:%d, general:%d\n",
- ntohl(osf->n_exact),
- ntohl(osf->n_compression), ntohl(osf->n_general));
- ds_put_format(string, "buffers: size:%d, number:%d\n",
- ntohl(osf->buffer_mb), ntohl(osf->n_buffers));
+ 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",
ntohl(osf->capabilities), ntohl(osf->actions));
ds_put_format(string, " (sending flow expirations)");
}
if (flags) {
- ds_put_format(string, " ***unknown flags %04"PRIx16"***", flags);
+ ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
}
ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
} else {
ds_put_char(string, '*');
}
+ ds_put_char(string, ',');
+}
+
+static void
+print_ip_netmask(struct ds *string, const char *leader, uint32_t ip,
+ uint32_t wild_bits, int verbosity)
+{
+ if (wild_bits >= 32 && verbosity < 2) {
+ return;
+ }
+ ds_put_cstr(string, leader);
+ if (wild_bits < 32) {
+ ds_put_format(string, IP_FMT, IP_ARGS(&ip));
+ if (wild_bits) {
+ ds_put_format(string, "/%d", 32 - wild_bits);
+ }
+ } else {
+ ds_put_char(string, '*');
+ }
+ ds_put_char(string, ',');
}
/* Pretty-print the ofp_match structure */
static void ofp_print_match(struct ds *f, const struct ofp_match *om,
int verbosity)
{
- uint16_t w = ntohs(om->wildcards);
-
+ uint32_t w = ntohl(om->wildcards);
+ bool skip_type = false;
+ bool skip_proto = false;
+
+ if (!(w & OFPFW_DL_TYPE)) {
+ skip_type = true;
+ if (om->dl_type == htons(ETH_TYPE_IP)) {
+ if (!(w & OFPFW_NW_PROTO)) {
+ skip_proto = true;
+ if (om->nw_proto == IP_TYPE_ICMP) {
+ ds_put_cstr(f, "icmp,");
+ } else if (om->nw_proto == IP_TYPE_TCP) {
+ ds_put_cstr(f, "tcp,");
+ } else if (om->nw_proto == IP_TYPE_UDP) {
+ ds_put_cstr(f, "udp,");
+ } else {
+ ds_put_cstr(f, "ip,");
+ skip_proto = false;
+ }
+ } else {
+ ds_put_cstr(f, "ip,");
+ }
+ } else if (om->dl_type == htons(ETH_TYPE_ARP)) {
+ ds_put_cstr(f, "arp,");
+ } else {
+ skip_type = false;
+ }
+ }
print_wild(f, "in_port=", w & OFPFW_IN_PORT, verbosity,
- "%d,", ntohs(om->in_port));
+ "%d", ntohs(om->in_port));
print_wild(f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity,
- "%04x,", ntohs(om->dl_vlan));
+ "0x%04x", ntohs(om->dl_vlan));
print_wild(f, "dl_src=", w & OFPFW_DL_SRC, verbosity,
- ETH_ADDR_FMT",", ETH_ADDR_ARGS(om->dl_src));
+ ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
print_wild(f, "dl_dst=", w & OFPFW_DL_DST, verbosity,
- ETH_ADDR_FMT",", ETH_ADDR_ARGS(om->dl_dst));
- print_wild(f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
- "%04x,", ntohs(om->dl_type));
- print_wild(f, "nw_src=", w & OFPFW_NW_SRC, verbosity,
- IP_FMT",", IP_ARGS(&om->nw_src));
- print_wild(f, "nw_dst=", w & OFPFW_NW_DST, verbosity,
- IP_FMT",", IP_ARGS(&om->nw_dst));
- print_wild(f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
- "%u,", om->nw_proto);
+ ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
+ if (!skip_type) {
+ print_wild(f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
+ "0x%04x", ntohs(om->dl_type));
+ }
+ print_ip_netmask(f, "nw_src=", om->nw_src,
+ (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity);
+ print_ip_netmask(f, "nw_dst=", om->nw_dst,
+ (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity);
+ if (!skip_proto) {
+ print_wild(f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
+ "%u", om->nw_proto);
+ }
print_wild(f, "tp_src=", w & OFPFW_TP_SRC, verbosity,
- "%d,", ntohs(om->tp_src));
+ "%d", ntohs(om->tp_src));
print_wild(f, "tp_dst=", w & OFPFW_TP_DST, verbosity,
- "%d,", ntohs(om->tp_dst));
+ "%d", ntohs(om->tp_dst));
}
/* Pretty-print the OFPT_FLOW_MOD packet of 'len' bytes at 'oh' to 'string'
const struct ofp_flow_mod *ofm = oh;
ofp_print_match(string, &ofm->match, verbosity);
- ds_put_format(string, " cmd:%d idle:%d pri:%d buf:%#x",
- ntohs(ofm->command), ntohs(ofm->max_idle),
+ switch (ntohs(ofm->command)) {
+ case OFPFC_ADD:
+ ds_put_cstr(string, " ADD: ");
+ break;
+ case OFPFC_MODIFY:
+ ds_put_cstr(string, " MOD: ");
+ 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,
const struct ofp_flow_expired *ofe = oh;
ofp_print_match(string, &ofe->match, verbosity);
+ ds_put_cstr(string, " reason=");
+ switch (ofe->reason) {
+ case OFPER_IDLE_TIMEOUT:
+ ds_put_cstr(string, "idle");
+ break;
+ case OFPER_HARD_TIMEOUT:
+ ds_put_cstr(string, "hard");
+ break;
+ default:
+ ds_put_format(string, "**%"PRIu8"**", ofe->reason);
+ break;
+ }
ds_put_format(string,
" pri%"PRIu16" secs%"PRIu32" pkts%"PRIu64" bytes%"PRIu64"\n",
ofe->match.wildcards ? ntohs(ofe->priority) : (uint16_t)-1,
ntohll(ofe->byte_count));
}
-/* Pretty-print the OFPT_ERROR_MSG packet of 'len' bytes at 'oh' to 'string'
+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),
+};
+#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'
ofp_print_phy_port(string, &ops->desc);
}
+static void
+ofp_desc_stats_reply(struct ds *string, const void *body, size_t len,
+ int verbosity)
+{
+ const struct ofp_desc_stats *ods = body;
+
+ ds_put_format(string, "Manufacturer: %s\n", ods->mfr_desc);
+ ds_put_format(string, "Hardware: %s\n", ods->hw_desc);
+ ds_put_format(string, "Software: %s\n", ods->sw_desc);
+ ds_put_format(string, "Serial Num: %s\n", ods->serial_num);
+}
+
static void
ofp_flow_stats_request(struct ds *string, const void *oh, size_t len,
int verbosity)
ds_put_format(string, "n_packets=%"PRIu64", ",
ntohll(fs->packet_count));
ds_put_format(string, "n_bytes=%"PRIu64", ", ntohll(fs->byte_count));
- ds_put_format(string, "max_idle=%"PRIu16",", ntohs(fs->max_idle));
+ ds_put_format(string, "idle_timeout=%"PRIu16",",
+ ntohs(fs->idle_timeout));
+ ds_put_format(string, "hard_timeout=%"PRIu16",",
+ ntohs(fs->hard_timeout));
ofp_print_match(string, &fs->match, verbosity);
ofp_print_actions(string, fs->actions, length - sizeof *fs);
ds_put_char(string, '\n');
ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
}
+static void print_port_stat(struct ds *string, const char *leader,
+ uint64_t stat, int more)
+{
+ ds_put_cstr(string, leader);
+ if (stat != -1) {
+ ds_put_format(string, "%"PRIu64, stat);
+ } else {
+ ds_put_char(string, '?');
+ }
+ if (more) {
+ ds_put_cstr(string, ", ");
+ } else {
+ ds_put_cstr(string, "\n");
+ }
+}
+
static void
ofp_port_stats_reply(struct ds *string, const void *body, size_t len,
int verbosity)
}
for (; n--; ps++) {
- ds_put_format(string, " port %"PRIu16": ", ntohs(ps->port_no));
- ds_put_format(string, "rx %"PRIu64", ", ntohll(ps->rx_count));
- ds_put_format(string, "tx %"PRIu64", ", ntohll(ps->tx_count));
- ds_put_format(string, "dropped %"PRIu64"\n", ntohll(ps->drop_count));
+ ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
+
+ ds_put_cstr(string, "rx ");
+ print_port_stat(string, "pkts=", ntohll(ps->rx_packets), 1);
+ print_port_stat(string, "bytes=", ntohll(ps->rx_bytes), 1);
+ print_port_stat(string, "drop=", ntohll(ps->rx_dropped), 1);
+ print_port_stat(string, "errs=", ntohll(ps->rx_errors), 1);
+ print_port_stat(string, "frame=", ntohll(ps->rx_frame_err), 1);
+ print_port_stat(string, "over=", ntohll(ps->rx_over_err), 1);
+ print_port_stat(string, "crc=", ntohll(ps->rx_crc_err), 0);
+
+ ds_put_cstr(string, " tx ");
+ print_port_stat(string, "pkts=", ntohll(ps->tx_packets), 1);
+ print_port_stat(string, "bytes=", ntohll(ps->tx_bytes), 1);
+ print_port_stat(string, "drop=", ntohll(ps->tx_dropped), 1);
+ print_port_stat(string, "errs=", ntohll(ps->tx_errors), 1);
+ print_port_stat(string, "coll=", ntohll(ps->collisions), 0);
}
}
strncpy(name, ts->name, sizeof name);
name[OFP_MAX_TABLE_NAME_LEN] = '\0';
- ds_put_format(string, " table %"PRIu8": ", ts->table_id);
- ds_put_format(string, "name %-8s, ", name);
- 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",
+ 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));
}
}
+static void
+vendor_stat(struct ds *string, const void *body, size_t len,
+ int verbosity UNUSED)
+{
+ 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 {
REQUEST,
REPLY
};
static const struct stats_type stats_types[] = {
+ [OFPST_DESC] = {
+ "description",
+ { 0, 0, NULL },
+ { 0, SIZE_MAX, ofp_desc_stats_reply },
+ },
[OFPST_FLOW] = {
"flow",
{ sizeof(struct ofp_flow_stats_request),
{ 0, 0, NULL, },
{ 0, SIZE_MAX, ofp_port_stats_reply },
},
+ [OFPST_VENDOR] = {
+ "vendor-specific",
+ { sizeof(uint32_t), SIZE_MAX, vendor_stat },
+ { sizeof(uint32_t), SIZE_MAX, vendor_stat },
+ },
};
const struct stats_type *s;
const struct ofp_stats_request *srq = oh;
if (srq->flags) {
- ds_put_format(string, " ***unknown flags %04"PRIx16"***",
+ ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
ntohs(srq->flags));
}
flags &= ~OFPSF_REPLY_MORE;
}
if (flags) {
- ds_put_format(string, "[***unknown%04"PRIx16"***]", flags);
+ ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]", flags);
}
}
};
static const struct openflow_packet packets[] = {
+ [OFPT_HELLO] = {
+ "hello",
+ sizeof (struct ofp_header),
+ NULL,
+ },
[OFPT_FEATURES_REQUEST] = {
"features_request",
sizeof (struct ofp_header),
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,
}
pkt = &packets[oh->type];
- ds_put_format(&string, "%s (xid=%"PRIx32"):", pkt->name, oh->xid);
+ ds_put_format(&string, "%s (xid=0x%"PRIx32"):", pkt->name, oh->xid);
if (ntohs(oh->length) > len)
ds_put_format(&string, " (***truncated to %zu bytes from %"PRIu16"***)",