#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 "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 *,
pcap = tmpfile();
if (!pcap) {
- error(errno, "tmpfile");
+ ofp_error(errno, "tmpfile");
return xstrdup("<error>");
}
fflush(pcap);
if (ferror(pcap)) {
- error(errno, "error writing temporary file");
+ ofp_error(errno, "error writing temporary file");
}
rewind(pcap);
tcpdump = popen(command, "r");
fclose(pcap);
if (!tcpdump) {
- error(errno, "exec(\"%s\")", command);
+ ofp_error(errno, "exec(\"%s\")", command);
return xstrdup("<error>");
}
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);
}
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;
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_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,
};
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),
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_VENDOR] = {
+ {
+ 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, },
+ },
};
const struct stats_type *s;
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;
}
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_HELLO] = {
+ {
+ OFPT_HELLO,
"hello",
sizeof (struct ofp_header),
NULL,
},
- [OFPT_FEATURES_REQUEST] = {
+ {
+ 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,
},
- [OFPT_PORT_STATUS] = {
+ {
+ OFPT_PORT_STATUS,
"port_status",
sizeof (struct ofp_port_status),
ofp_print_port_status
},
- [OFPT_ERROR] = {
+ {
+ 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,
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)
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
-#include "buffer.h"
#include "chain.h"
#include "csum.h"
#include "flow.h"
+#include "list.h"
#include "netdev.h"
+#include "ofpbuf.h"
+#include "openflow.h"
#include "packets.h"
#include "poll-loop.h"
#include "rconn.h"
#include "stp.h"
-#include "vconn.h"
+#include "switch-flow.h"
#include "table.h"
#include "timeval.h"
+#include "vconn.h"
#include "xtoxll.h"
#define THIS_MODULE VLM_datapath
static void remote_wait(struct remote *);
static void remote_destroy(struct remote *);
-void dp_output_port(struct datapath *, struct buffer *,
+void dp_output_port(struct datapath *, struct ofpbuf *,
int in_port, int out_port, bool ignore_no_fwd);
void dp_update_port_flags(struct datapath *dp, const struct ofp_port_mod *opm);
-void dp_output_control(struct datapath *, struct buffer *, int in_port,
+void dp_output_control(struct datapath *, struct ofpbuf *, int in_port,
size_t max_len, int reason);
static void send_flow_expired(struct datapath *, struct sw_flow *,
enum ofp_flow_expired_reason);
static int update_port_status(struct sw_port *p);
static void send_port_status(struct sw_port *p, uint8_t status);
static void del_switch_port(struct sw_port *p);
-static void execute_actions(struct datapath *, struct buffer *,
+static void execute_actions(struct datapath *, struct ofpbuf *,
int in_port, const struct sw_flow_key *,
const struct ofp_action *, int n_actions,
bool ignore_no_fwd);
-static void modify_vlan(struct buffer *buffer, const struct sw_flow_key *key,
+static void modify_vlan(struct ofpbuf *buffer, const struct sw_flow_key *key,
const struct ofp_action *a);
-static void modify_nh(struct buffer *buffer, uint16_t eth_proto,
+static void modify_nh(struct ofpbuf *buffer, uint16_t eth_proto,
uint8_t nw_proto, const struct ofp_action *a);
-static void modify_th(struct buffer *buffer, uint16_t eth_proto,
+static void modify_th(struct ofpbuf *buffer, uint16_t eth_proto,
uint8_t nw_proto, const struct ofp_action *a);
/* Buffers are identified to userspace by a 31-bit opaque ID. We divide the ID
#define PKT_COOKIE_BITS (32 - PKT_BUFFER_BITS)
-int run_flow_through_tables(struct datapath *, struct buffer *,
+int run_flow_through_tables(struct datapath *, struct ofpbuf *,
struct sw_port *);
-void fwd_port_input(struct datapath *, struct buffer *, struct sw_port *);
+void fwd_port_input(struct datapath *, struct ofpbuf *, struct sw_port *);
int fwd_control_input(struct datapath *, const struct sender *,
const void *, size_t);
-uint32_t save_buffer(struct buffer *);
-static struct buffer *retrieve_buffer(uint32_t id);
+uint32_t save_buffer(struct ofpbuf *);
+static struct ofpbuf *retrieve_buffer(uint32_t id);
static void discard_buffer(uint32_t id);
static int port_no(struct datapath *dp, struct sw_port *p)
time_t now = time_now();
struct sw_port *p, *pn;
struct remote *r, *rn;
- struct buffer *buffer = NULL;
+ struct ofpbuf *buffer = NULL;
if (now != dp->last_timeout) {
struct list deleted = LIST_INITIALIZER(&deleted);
const int headroom = 128 + 2;
const int hard_header = VLAN_ETH_HEADER_LEN;
const int mtu = netdev_get_mtu(p->netdev);
- buffer = buffer_new(headroom + hard_header + mtu);
- buffer->data += headroom;
+ buffer = ofpbuf_new(headroom + hard_header + mtu);
+ buffer->data = (char*)buffer->data + headroom;
}
error = netdev_recv(p->netdev, buffer);
if (!error) {
netdev_get_name(p->netdev), strerror(error));
}
}
- buffer_delete(buffer);
+ ofpbuf_delete(buffer);
/* Talk to remotes. */
LIST_FOR_EACH_SAFE (r, rn, struct remote, node, &dp->remotes) {
* other processing doesn't starve. */
for (i = 0; i < 50; i++) {
if (!r->cb_dump) {
- struct buffer *buffer;
+ struct ofpbuf *buffer;
struct ofp_header *oh;
buffer = rconn_recv(r->rconn);
} else {
VLOG_WARN_RL(&rl, "received too-short OpenFlow message");
}
- buffer_delete(buffer);
+ ofpbuf_delete(buffer);
} else {
if (r->n_txq < TXQ_LIMIT) {
int error = r->cb_dump(dp, r->cb_aux);
* "flood" argument is set, don't send out ports with flooding disabled.
*/
static int
-output_all(struct datapath *dp, struct buffer *buffer, int in_port, int flood)
+output_all(struct datapath *dp, struct ofpbuf *buffer, int in_port, int flood)
{
struct sw_port *p;
int prev_port;
continue;
}
if (prev_port != -1) {
- dp_output_port(dp, buffer_clone(buffer), in_port, prev_port,
+ dp_output_port(dp, ofpbuf_clone(buffer), in_port, prev_port,
false);
}
prev_port = port_no(dp, p);
if (prev_port != -1)
dp_output_port(dp, buffer, in_port, prev_port, false);
else
- buffer_delete(buffer);
+ ofpbuf_delete(buffer);
return 0;
}
void
-output_packet(struct datapath *dp, struct buffer *buffer, int out_port)
+output_packet(struct datapath *dp, struct ofpbuf *buffer, int out_port)
{
if (out_port >= 0 && out_port < OFPP_MAX) {
struct sw_port *p = &dp->ports[out_port];
}
}
- buffer_delete(buffer);
+ ofpbuf_delete(buffer);
VLOG_DBG_RL(&rl, "can't forward to bad port %d\n", out_port);
}
/* Takes ownership of 'buffer' and transmits it to 'out_port' on 'dp'.
*/
void
-dp_output_port(struct datapath *dp, struct buffer *buffer,
+dp_output_port(struct datapath *dp, struct ofpbuf *buffer,
int in_port, int out_port, bool ignore_no_fwd)
{
} else if (out_port == OFPP_TABLE) {
struct sw_port *p = in_port < OFPP_MAX ? &dp->ports[in_port] : 0;
if (run_flow_through_tables(dp, buffer, p)) {
- buffer_delete(buffer);
+ ofpbuf_delete(buffer);
}
} else {
if (in_port == out_port) {
static void *
make_openflow_reply(size_t openflow_len, uint8_t type,
- const struct sender *sender, struct buffer **bufferp)
+ const struct sender *sender, struct ofpbuf **bufferp)
{
return make_openflow_xid(openflow_len, type, sender ? sender->xid : 0,
bufferp);
}
static int
-send_openflow_buffer(struct datapath *dp, struct buffer *buffer,
+send_openflow_buffer(struct datapath *dp, struct ofpbuf *buffer,
const struct sender *sender)
{
struct remote *remote = sender ? sender->remote : dp->controller;
* the caller wants to be sent; a value of 0 indicates the entire packet should
* be sent. */
void
-dp_output_control(struct datapath *dp, struct buffer *buffer, int in_port,
+dp_output_control(struct datapath *dp, struct ofpbuf *buffer, int in_port,
size_t max_len, int reason)
{
struct ofp_packet_in *opi;
buffer_id = save_buffer(buffer);
total_len = buffer->size;
- if (buffer_id != UINT32_MAX && buffer->size > max_len) {
+ if (buffer_id != UINT32_MAX && max_len && buffer->size > max_len) {
buffer->size = max_len;
}
- opi = buffer_push_uninit(buffer, offsetof(struct ofp_packet_in, data));
+ opi = ofpbuf_push_uninit(buffer, offsetof(struct ofp_packet_in, data));
opi->header.version = OFP_VERSION;
opi->header.type = OFPT_PACKET_IN;
opi->header.length = htons(buffer->size);
static void
dp_send_features_reply(struct datapath *dp, const struct sender *sender)
{
- struct buffer *buffer;
+ struct ofpbuf *buffer;
struct ofp_switch_features *ofr;
struct sw_port *p;
ofr->capabilities = htonl(OFP_SUPPORTED_CAPABILITIES);
ofr->actions = htonl(OFP_SUPPORTED_ACTIONS);
LIST_FOR_EACH (p, struct sw_port, node, &dp->port_list) {
- struct ofp_phy_port *opp = buffer_put_uninit(buffer, sizeof *opp);
+ struct ofp_phy_port *opp = ofpbuf_put_uninit(buffer, sizeof *opp);
memset(opp, 0, sizeof *opp);
fill_port_desc(dp, p, opp);
}
static void
send_port_status(struct sw_port *p, uint8_t status)
{
- struct buffer *buffer;
+ struct ofpbuf *buffer;
struct ofp_port_status *ops;
ops = make_openflow_xid(sizeof *ops, OFPT_PORT_STATUS, 0, &buffer);
ops->reason = status;
send_flow_expired(struct datapath *dp, struct sw_flow *flow,
enum ofp_flow_expired_reason reason)
{
- struct buffer *buffer;
+ struct ofpbuf *buffer;
struct ofp_flow_expired *ofe;
ofe = make_openflow_xid(sizeof *ofe, OFPT_FLOW_EXPIRED, 0, &buffer);
flow_fill_match(&ofe->match, &flow->key);
dp_send_error_msg(struct datapath *dp, const struct sender *sender,
uint16_t type, uint16_t code, const void *data, size_t len)
{
- struct buffer *buffer;
+ struct ofpbuf *buffer;
struct ofp_error_msg *oem;
oem = make_openflow_reply(sizeof(*oem)+len, OFPT_ERROR, sender, &buffer);
oem->type = htons(type);
}
static void
-fill_flow_stats(struct buffer *buffer, struct sw_flow *flow,
+fill_flow_stats(struct ofpbuf *buffer, struct sw_flow *flow,
int table_idx, time_t now)
{
struct ofp_flow_stats *ofs;
- int length = sizeof *ofs + sizeof *ofs->actions * flow->n_actions;
+ int length = sizeof *ofs + sizeof *ofs->actions * flow->sf_acts->n_actions;
- ofs = buffer_put_uninit(buffer, length);
+ ofs = ofpbuf_put_uninit(buffer, length);
ofs->length = htons(length);
ofs->table_id = table_idx;
ofs->pad = 0;
memset(ofs->pad2, 0, sizeof ofs->pad2);
ofs->packet_count = htonll(flow->packet_count);
ofs->byte_count = htonll(flow->byte_count);
- memcpy(ofs->actions, flow->actions,
- sizeof *ofs->actions * flow->n_actions);
+ memcpy(ofs->actions, flow->sf_acts->actions,
+ sizeof *ofs->actions * flow->sf_acts->n_actions);
}
\f
* null pointer. Process it according to 'dp''s flow table. Returns 0 if
* successful, in which case 'buffer' is destroyed, or -ESRCH if there is no
* matching flow, in which case 'buffer' still belongs to the caller. */
-int run_flow_through_tables(struct datapath *dp, struct buffer *buffer,
+int run_flow_through_tables(struct datapath *dp, struct ofpbuf *buffer,
struct sw_port *p)
{
struct sw_flow_key key;
if (flow_extract(buffer, p ? port_no(dp, p) : OFPP_NONE, &key.flow)
&& (dp->flags & OFPC_FRAG_MASK) == OFPC_FRAG_DROP) {
/* Drop fragment. */
- buffer_delete(buffer);
+ ofpbuf_delete(buffer);
return 0;
}
if (p && p->flags & (OFPPFL_NO_RECV | OFPPFL_NO_RECV_STP)
&& p->flags & (!eth_addr_equals(key.flow.dl_dst, stp_eth_addr)
? OFPPFL_NO_RECV : OFPPFL_NO_RECV_STP)) {
- buffer_delete(buffer);
+ ofpbuf_delete(buffer);
return 0;
}
if (flow != NULL) {
flow_used(flow, buffer);
execute_actions(dp, buffer, port_no(dp, p),
- &key, flow->actions, flow->n_actions, false);
+ &key, flow->sf_acts->actions,
+ flow->sf_acts->n_actions, false);
return 0;
} else {
return -ESRCH;
/* 'buffer' was received on 'p', which may be a a physical switch port or a
* null pointer. Process it according to 'dp''s flow table, sending it up to
* the controller if no flow matches. Takes ownership of 'buffer'. */
-void fwd_port_input(struct datapath *dp, struct buffer *buffer,
+void fwd_port_input(struct datapath *dp, struct ofpbuf *buffer,
struct sw_port *p)
{
if (run_flow_through_tables(dp, buffer, p)) {
}
static void
-do_output(struct datapath *dp, struct buffer *buffer, int in_port,
+do_output(struct datapath *dp, struct ofpbuf *buffer, int in_port,
size_t max_len, int out_port, bool ignore_no_fwd)
{
if (out_port != OFPP_CONTROLLER) {
}
static void
-execute_actions(struct datapath *dp, struct buffer *buffer,
+execute_actions(struct datapath *dp, struct ofpbuf *buffer,
int in_port, const struct sw_flow_key *key,
const struct ofp_action *actions, int n_actions,
bool ignore_no_fwd)
struct eth_header *eh = buffer->l2;
if (prev_port != -1) {
- do_output(dp, buffer_clone(buffer), in_port, max_len, prev_port,
+ do_output(dp, ofpbuf_clone(buffer), in_port, max_len, prev_port,
ignore_no_fwd);
prev_port = -1;
}
if (prev_port != -1)
do_output(dp, buffer, in_port, max_len, prev_port, ignore_no_fwd);
else
- buffer_delete(buffer);
+ ofpbuf_delete(buffer);
}
-static void modify_nh(struct buffer *buffer, uint16_t eth_proto,
+static void modify_nh(struct ofpbuf *buffer, uint16_t eth_proto,
uint8_t nw_proto, const struct ofp_action *a)
{
if (eth_proto == ETH_TYPE_IP) {
}
}
-static void modify_th(struct buffer *buffer, uint16_t eth_proto,
+static void modify_th(struct ofpbuf *buffer, uint16_t eth_proto,
uint8_t nw_proto, const struct ofp_action *a)
{
if (eth_proto == ETH_TYPE_IP) {
}
static void
-modify_vlan(struct buffer *buffer,
+modify_vlan(struct ofpbuf *buffer,
const struct sw_flow_key *key, const struct ofp_action *a)
{
uint16_t new_id = a->arg.vlan_id;
tmp.veth_tci = new_id;
tmp.veth_next_type = eh->eth_type;
- veh = buffer_push_uninit(buffer, VLAN_HEADER_LEN);
+ veh = ofpbuf_push_uninit(buffer, VLAN_HEADER_LEN);
memcpy(veh, &tmp, sizeof tmp);
- buffer->l2 -= VLAN_HEADER_LEN;
+ buffer->l2 = (char*)buffer->l2 - VLAN_HEADER_LEN;
}
} else {
/* Remove an existing vlan header if it exists */
tmp.eth_type = veh->veth_next_type;
buffer->size -= VLAN_HEADER_LEN;
- buffer->data += VLAN_HEADER_LEN;
- buffer->l2 += VLAN_HEADER_LEN;
+ buffer->data = (char*)buffer->data + VLAN_HEADER_LEN;
+ buffer->l2 = (char*)buffer->l2 + VLAN_HEADER_LEN;
memcpy(buffer->data, &tmp, sizeof tmp);
}
}
recv_get_config_request(struct datapath *dp, const struct sender *sender,
const void *msg)
{
- struct buffer *buffer;
+ struct ofpbuf *buffer;
struct ofp_switch_config *osc;
osc = make_openflow_reply(sizeof *osc, OFPT_GET_CONFIG_REPLY,
{
const struct ofp_packet_out *opo = msg;
struct sw_flow_key key;
- struct buffer *buffer;
+ struct ofpbuf *buffer;
int n_actions = ntohs(opo->n_actions);
int act_len = n_actions * sizeof opo->actions[0];
if (ntohl(opo->buffer_id) == (uint32_t) -1) {
/* FIXME: can we avoid copying data here? */
int data_len = ntohs(opo->header.length) - sizeof *opo - act_len;
- buffer = buffer_new(data_len);
- buffer_put(buffer, &opo->actions[n_actions], data_len);
+ buffer = ofpbuf_new(data_len);
+ ofpbuf_put(buffer, &opo->actions[n_actions], data_len);
} else {
buffer = retrieve_buffer(ntohl(opo->buffer_id));
if (!buffer) {
flow->idle_timeout = ntohs(ofm->idle_timeout);
flow->hard_timeout = ntohs(ofm->hard_timeout);
flow->used = flow->created = time_now();
- flow->n_actions = n_actions;
+ flow->sf_acts->n_actions = n_actions;
flow->byte_count = 0;
flow->packet_count = 0;
- memcpy(flow->actions, ofm->actions, n_actions * sizeof *flow->actions);
+ memcpy(flow->sf_acts->actions, ofm->actions,
+ n_actions * sizeof *flow->sf_acts->actions);
/* Act. */
error = chain_insert(dp->chain, flow);
}
error = 0;
if (ntohl(ofm->buffer_id) != UINT32_MAX) {
- struct buffer *buffer = retrieve_buffer(ntohl(ofm->buffer_id));
+ struct ofpbuf *buffer = retrieve_buffer(ntohl(ofm->buffer_id));
if (buffer) {
struct sw_flow_key key;
uint16_t in_port = ntohs(ofm->match.in_port);
return error;
}
- struct buffer *buffer = retrieve_buffer(ntohl(ofm->buffer_id));
+ static int
+ mod_flow(struct datapath *dp, const struct ofp_flow_mod *ofm)
+ {
+ int error = -ENOMEM;
+ int n_actions;
+ int i;
+ struct sw_flow_key key;
+
+
+ /* To prevent loops, make sure there's no action to send to the
+ * OFP_TABLE virtual port.
+ */
+ n_actions = (ntohs(ofm->header.length) - sizeof *ofm)
+ / sizeof *ofm->actions;
+ for (i=0; i<n_actions; i++) {
+ const struct ofp_action *a = &ofm->actions[i];
+
+ if (a->type == htons(OFPAT_OUTPUT)
+ && (a->arg.output.port == htons(OFPP_TABLE)
+ || a->arg.output.port == htons(OFPP_NONE)
+ || a->arg.output.port == ofm->match.in_port)) {
+ /* xxx Send fancy new error message? */
+ goto error;
+ }
+ }
+
+ flow_extract_match(&key, &ofm->match);
+ chain_modify(dp->chain, &key, ofm->actions, n_actions);
+
+ if (ntohl(ofm->buffer_id) != UINT32_MAX) {
++ struct ofpbuf *buffer = retrieve_buffer(ntohl(ofm->buffer_id));
+ if (buffer) {
+ struct sw_flow_key skb_key;
+ uint16_t in_port = ntohs(ofm->match.in_port);
+ flow_extract(buffer, in_port, &skb_key.flow);
+ execute_actions(dp, buffer, in_port, &skb_key,
+ ofm->actions, n_actions, false);
+ } else {
+ error = -ESRCH;
+ }
+ }
+ return error;
+
+ error:
+ if (ntohl(ofm->buffer_id) != (uint32_t) -1)
+ discard_buffer(ntohl(ofm->buffer_id));
+ return error;
+ }
+
static int
recv_flow(struct datapath *dp, const struct sender *sender UNUSED,
const void *msg)
if (command == OFPFC_ADD) {
return add_flow(dp, ofm);
+ } else if (command == OFPFC_MODIFY) {
+ return mod_flow(dp, ofm);
} else if (command == OFPFC_DELETE) {
struct sw_flow_key key;
flow_extract_match(&key, &ofm->match);
}
static int desc_stats_dump(struct datapath *dp, void *state,
- struct buffer *buffer)
+ struct ofpbuf *buffer)
{
- struct ofp_desc_stats *ods = buffer_put_uninit(buffer, sizeof *ods);
+ struct ofp_desc_stats *ods = ofpbuf_put_uninit(buffer, sizeof *ods);
strncpy(ods->mfr_desc, &mfr_desc, sizeof ods->mfr_desc);
strncpy(ods->hw_desc, &hw_desc, sizeof ods->hw_desc);
struct ofp_flow_stats_request rq;
time_t now;
- struct buffer *buffer;
+ struct ofpbuf *buffer;
};
#define MAX_FLOW_STATS_BYTES 4096
}
static int flow_stats_dump(struct datapath *dp, void *state,
- struct buffer *buffer)
+ struct ofpbuf *buffer)
{
struct flow_stats_state *s = state;
struct sw_flow_key match_key;
}
static int aggregate_stats_dump(struct datapath *dp, void *state,
- struct buffer *buffer)
+ struct ofpbuf *buffer)
{
struct aggregate_stats_state *s = state;
struct ofp_aggregate_stats_request *rq = &s->rq;
struct sw_flow_key match_key;
int table_idx;
- rpy = buffer_put_uninit(buffer, sizeof *rpy);
+ rpy = ofpbuf_put_uninit(buffer, sizeof *rpy);
memset(rpy, 0, sizeof *rpy);
flow_extract_match(&match_key, &rq->match);
}
static int table_stats_dump(struct datapath *dp, void *state,
- struct buffer *buffer)
+ struct ofpbuf *buffer)
{
int i;
for (i = 0; i < dp->chain->n_tables; i++) {
- struct ofp_table_stats *ots = buffer_put_uninit(buffer, sizeof *ots);
+ struct ofp_table_stats *ots = ofpbuf_put_uninit(buffer, sizeof *ots);
struct sw_table_stats stats;
dp->chain->tables[i]->stats(dp->chain->tables[i], &stats);
strncpy(ots->name, stats.name, sizeof ots->name);
}
static int port_stats_dump(struct datapath *dp, void *state,
- struct buffer *buffer)
+ struct ofpbuf *buffer)
{
struct port_stats_state *s = state;
int i;
if (!p->netdev) {
continue;
}
- ops = buffer_put_uninit(buffer, sizeof *ops);
+ ops = ofpbuf_put_uninit(buffer, sizeof *ops);
ops->port_no = htons(port_no(dp, p));
memset(ops->pad, 0, sizeof ops->pad);
ops->rx_packets = htonll(p->rx_packets);
}
struct stats_type {
+ /* Value for 'type' member of struct ofp_stats_request. */
+ int type;
+
/* Minimum and maximum acceptable number of bytes in body member of
* struct ofp_stats_request. */
size_t min_body, max_body;
* struct ofp_stats_reply. On success, it should return 1 if it should be
* called again later with another buffer, 0 if it is done, or a negative
* errno value on failure. */
- int (*dump)(struct datapath *dp, void *state, struct buffer *buffer);
+ int (*dump)(struct datapath *dp, void *state, struct ofpbuf *buffer);
/* Cleans any state created by the init or dump functions. May be null
* if no cleanup is required. */
};
static const struct stats_type stats[] = {
- [OFPST_DESC] = {
+ {
+ OFPST_DESC,
0,
0,
NULL,
desc_stats_dump,
NULL
},
- [OFPST_FLOW] = {
+ {
+ OFPST_FLOW,
sizeof(struct ofp_flow_stats_request),
sizeof(struct ofp_flow_stats_request),
flow_stats_init,
flow_stats_dump,
flow_stats_done
},
- [OFPST_AGGREGATE] = {
+ {
+ OFPST_AGGREGATE,
sizeof(struct ofp_aggregate_stats_request),
sizeof(struct ofp_aggregate_stats_request),
aggregate_stats_init,
aggregate_stats_dump,
aggregate_stats_done
},
- [OFPST_TABLE] = {
+ {
+ OFPST_TABLE,
0,
0,
NULL,
table_stats_dump,
NULL
},
- [OFPST_PORT] = {
+ {
+ OFPST_PORT,
0,
0,
port_stats_init,
{
struct stats_dump_cb *cb = cb_;
struct ofp_stats_reply *osr;
- struct buffer *buffer;
+ struct ofpbuf *buffer;
int err;
if (cb->done) {
osr = make_openflow_reply(sizeof *osr, OFPT_STATS_REPLY, &cb->sender,
&buffer);
- osr->type = htons(cb->s - stats);
+ osr->type = htons(cb->s->type);
osr->flags = 0;
err = cb->s->dump(dp, cb->state, buffer);
cb->done = true;
} else {
/* Buffer might have been reallocated, so find our data again. */
- osr = buffer_at_assert(buffer, 0, sizeof *osr);
+ osr = ofpbuf_at_assert(buffer, 0, sizeof *osr);
osr->flags = ntohs(OFPSF_REPLY_MORE);
}
err2 = send_openflow_buffer(dp, buffer, &cb->sender);
{
const struct ofp_stats_request *rq = oh;
size_t rq_len = ntohs(rq->header.length);
+ const struct stats_type *st;
struct stats_dump_cb *cb;
int type, body_len;
int err;
type = ntohs(rq->type);
- if (type >= ARRAY_SIZE(stats) || !stats[type].dump) {
- dp_send_error_msg(dp, sender, OFPET_BAD_REQUEST, OFPBRC_BAD_STAT,
- rq, rq_len);
- VLOG_WARN_RL(&rl, "received stats request of unknown type %d", type);
- return -EINVAL;
+ for (st = stats; ; st++) {
+ if (st >= &stats[ARRAY_SIZE(stats)]) {
+ VLOG_WARN_RL(&rl, "received stats request of unknown type %d",
+ type);
+ return -EINVAL;
+ } else if (type == st->type) {
+ break;
+ }
}
cb = xmalloc(sizeof *cb);
cb->done = false;
cb->rq = xmemdup(rq, rq_len);
cb->sender = *sender;
- cb->s = &stats[type];
+ cb->s = st;
cb->state = NULL;
body_len = rq_len - offsetof(struct ofp_stats_request, body);
fwd_control_input(struct datapath *dp, const struct sender *sender,
const void *msg, size_t length)
{
- struct openflow_packet {
- size_t min_size;
- int (*handler)(struct datapath *, const struct sender *, const void *);
- };
-
- static const struct openflow_packet packets[] = {
- [OFPT_FEATURES_REQUEST] = {
- sizeof (struct ofp_header),
- recv_features_request,
- },
- [OFPT_GET_CONFIG_REQUEST] = {
- sizeof (struct ofp_header),
- recv_get_config_request,
- },
- [OFPT_SET_CONFIG] = {
- sizeof (struct ofp_switch_config),
- recv_set_config,
- },
- [OFPT_PACKET_OUT] = {
- sizeof (struct ofp_packet_out),
- recv_packet_out,
- },
- [OFPT_FLOW_MOD] = {
- sizeof (struct ofp_flow_mod),
- recv_flow,
- },
- [OFPT_PORT_MOD] = {
- sizeof (struct ofp_port_mod),
- recv_port_mod,
- },
- [OFPT_STATS_REQUEST] = {
- sizeof (struct ofp_stats_request),
- recv_stats_request,
- },
- [OFPT_ECHO_REQUEST] = {
- sizeof (struct ofp_header),
- recv_echo_request,
- },
- [OFPT_ECHO_REPLY] = {
- sizeof (struct ofp_header),
- recv_echo_reply,
- },
- };
-
+ int (*handler)(struct datapath *, const struct sender *, const void *);
struct ofp_header *oh;
+ size_t min_size;
+ /* Check encapsulated length. */
oh = (struct ofp_header *) msg;
- if (ntohs(oh->length) > length)
+ if (ntohs(oh->length) > length) {
+ return -EINVAL;
+ }
+ assert(oh->version == OFP_VERSION);
+
+ /* Figure out how to handle it. */
+ switch (oh->type) {
+ case OFPT_FEATURES_REQUEST:
+ min_size = sizeof(struct ofp_header);
+ handler = recv_features_request;
+ break;
+ case OFPT_GET_CONFIG_REQUEST:
+ min_size = sizeof(struct ofp_header);
+ handler = recv_get_config_request;
+ break;
+ case OFPT_SET_CONFIG:
+ min_size = sizeof(struct ofp_switch_config);
+ handler = recv_set_config;
+ break;
+ case OFPT_PACKET_OUT:
+ min_size = sizeof(struct ofp_packet_out);
+ handler = recv_packet_out;
+ break;
+ case OFPT_FLOW_MOD:
+ min_size = sizeof(struct ofp_flow_mod);
+ handler = recv_flow;
+ break;
+ case OFPT_PORT_MOD:
+ min_size = sizeof(struct ofp_port_mod);
+ handler = recv_port_mod;
+ break;
+ case OFPT_STATS_REQUEST:
+ min_size = sizeof(struct ofp_stats_request);
+ handler = recv_stats_request;
+ break;
+ case OFPT_ECHO_REQUEST:
+ min_size = sizeof(struct ofp_header);
+ handler = recv_echo_request;
+ break;
+ case OFPT_ECHO_REPLY:
+ min_size = sizeof(struct ofp_header);
+ handler = recv_echo_reply;
+ break;
+ default:
+ dp_send_error_msg(dp, sender, OFPET_BAD_REQUEST, OFPBRC_BAD_TYPE,
+ msg, length);
return -EINVAL;
-
- if (oh->type < ARRAY_SIZE(packets)) {
- const struct openflow_packet *pkt = &packets[oh->type];
- if (pkt->handler) {
- if (length < pkt->min_size)
- return -EFAULT;
- return pkt->handler(dp, sender, msg);
- }
}
- dp_send_error_msg(dp, sender, OFPET_BAD_REQUEST, OFPBRC_BAD_TYPE,
- msg, length);
- return -EINVAL;
+
+ /* Handle it. */
+ if (length < min_size)
+ return -EFAULT;
+ return handler(dp, sender, msg);
}
\f
/* Packet buffering. */
#define OVERWRITE_SECS 1
struct packet_buffer {
- struct buffer *buffer;
+ struct ofpbuf *buffer;
uint32_t cookie;
time_t timeout;
};
static struct packet_buffer buffers[N_PKT_BUFFERS];
static unsigned int buffer_idx;
-uint32_t save_buffer(struct buffer *buffer)
+uint32_t save_buffer(struct ofpbuf *buffer)
{
struct packet_buffer *p;
uint32_t id;
if (time_now() < p->timeout) { /* FIXME */
return -1;
} else {
- buffer_delete(p->buffer);
+ ofpbuf_delete(p->buffer);
}
}
/* Don't use maximum cookie value since the all-bits-1 id is
* special. */
if (++p->cookie >= (1u << PKT_COOKIE_BITS) - 1)
p->cookie = 0;
- p->buffer = buffer_clone(buffer); /* FIXME */
+ p->buffer = ofpbuf_clone(buffer); /* FIXME */
p->timeout = time_now() + OVERWRITE_SECS; /* FIXME */
id = buffer_idx | (p->cookie << PKT_BUFFER_BITS);
return id;
}
-static struct buffer *retrieve_buffer(uint32_t id)
+static struct ofpbuf *retrieve_buffer(uint32_t id)
{
- struct buffer *buffer = NULL;
+ struct ofpbuf *buffer = NULL;
struct packet_buffer *p;
p = &buffers[id & PKT_BUFFER_MASK];
p = &buffers[id & PKT_BUFFER_MASK];
if (p->cookie == id >> PKT_BUFFER_BITS) {
- buffer_delete(p->buffer);
+ ofpbuf_delete(p->buffer);
p->buffer = NULL;
}
}
#include <assert.h>
#include <stdlib.h>
#include <string.h>
-#include "buffer.h"
+#include "ofpbuf.h"
#include "openflow.h"
#include "packets.h"
#include "timeval.h"
struct sw_flow *
flow_alloc(int n_actions)
{
+ struct sw_flow_actions *sfa;
struct sw_flow *flow = malloc(sizeof *flow);
if (!flow)
return NULL;
- flow->n_actions = n_actions;
- flow->actions = malloc(n_actions * sizeof *flow->actions);
- if (!flow->actions && n_actions > 0) {
+ sfa = malloc(n_actions * sizeof sfa->actions[0]);
+ if (!sfa) {
free(flow);
return NULL;
}
+ sfa->n_actions = n_actions;
+ flow->sf_acts = sfa;
return flow;
}
if (!flow) {
return;
}
- if (flow->actions) {
- free(flow->actions);
- }
+ free(flow->sf_acts);
free(flow);
}
+ /* Copies 'actions' into a newly allocated structure for use by 'flow'
+ * and frees the structure that defined the previous actions. */
+ void flow_replace_acts(struct sw_flow *flow, const struct ofp_action *actions,
+ int n_actions)
+ {
+ struct sw_flow_actions *sfa;
+ int size = sizeof *sfa + (n_actions * sizeof sfa->actions[0]);
+
+ sfa = malloc(size);
+ if (unlikely(!sfa))
+ return;
+
+ sfa->n_actions = n_actions;
+ memcpy(sfa->actions, actions, n_actions * sizeof sfa->actions[0]);
+
+ free(flow->sf_acts);
+ flow->sf_acts = sfa;
+
+ return;
+ }
+
/* Prints a representation of 'key' to the kernel log. */
void
print_flow(const struct sw_flow_key *key)
}
}
-void flow_used(struct sw_flow *flow, struct buffer *buffer)
+void flow_used(struct sw_flow *flow, struct ofpbuf *buffer)
{
flow->used = time_now();
flow->packet_count++;
#define SWITCH_FLOW_H 1
#include <time.h>
+ #include "openflow.h"
#include "flow.h"
#include "list.h"
uint32_t nw_dst_mask; /* 1-bit in each significant nw_dst bit. */
};
+ struct sw_flow_actions {
+ unsigned int n_actions;
+ struct ofp_action actions[0];
+ };
+
struct sw_flow {
struct sw_flow_key key;
uint64_t byte_count; /* Number of bytes seen. */
uint8_t reason; /* Reason flow expired (one of OFPER_*). */
+ struct sw_flow_actions *sf_acts;
+
/* Private to table implementations. */
struct list node;
struct list iter_node;
unsigned long int serial;
-
- /* Actions (XXX probably most flows have only a single action). */
- unsigned int n_actions;
- struct ofp_action *actions;
};
int flow_matches_1wild(const struct sw_flow_key *, const struct sw_flow_key *);
struct sw_flow *flow_alloc(int n_actions);
void flow_free(struct sw_flow *);
void flow_deferred_free(struct sw_flow *);
+ void flow_deferred_free_acts(struct sw_flow_actions *);
+ void flow_replace_acts(struct sw_flow *, const struct ofp_action *, int);
void flow_extract_match(struct sw_flow_key* to, const struct ofp_match* from);
void flow_fill_match(struct ofp_match* to, const struct sw_flow_key* from);
void print_flow(const struct sw_flow_key *);
bool flow_timeout(struct sw_flow *flow);
-void flow_used(struct sw_flow *flow, struct buffer *buffer);
+void flow_used(struct sw_flow *flow, struct ofpbuf *buffer);
#endif /* switch-flow.h */
#include <stdlib.h>
#include <string.h>
#include "crc32.h"
-#include "flow.h"
#include "datapath.h"
+#include "flow.h"
+#include "switch-flow.h"
struct sw_table_hash {
struct sw_table swt;
return retval;
}
+ static int table_hash_modify(struct sw_table *swt,
+ const struct sw_flow_key *key,
+ const struct ofp_action *actions, int n_actions)
+ {
+ struct sw_table_hash *th = (struct sw_table_hash *) swt;
+ unsigned int count = 0;
+
+ if (key->wildcards == 0) {
+ struct sw_flow **bucket = find_bucket(swt, key);
+ struct sw_flow *flow = *bucket;
+ if (flow && flow_matches_1wild(&flow->key, key)) {
+ flow_replace_acts(flow, actions, n_actions);
+ count = 1;
+ }
+ } else {
+ unsigned int i;
+
+ for (i = 0; i <= th->bucket_mask; i++) {
+ struct sw_flow **bucket = &th->buckets[i];
+ struct sw_flow *flow = *bucket;
+ if (flow && flow_matches_1wild(&flow->key, key)) {
+ flow_replace_acts(flow, actions, n_actions);
+ count++;
+ }
+ }
+ }
+ return count;
+ }
+
/* Caller must update n_flows. */
static void
do_delete(struct sw_flow **bucket)
swt = &th->swt;
swt->lookup = table_hash_lookup;
swt->insert = table_hash_insert;
+ swt->modify = table_hash_modify;
swt->delete = table_hash_delete;
swt->timeout = table_hash_timeout;
swt->destroy = table_hash_destroy;
return table_hash_insert(t2->subtable[1], flow);
}
+ static int table_hash2_modify(struct sw_table *swt,
+ const struct sw_flow_key *key,
+ const struct ofp_action *actions, int n_actions)
+ {
+ struct sw_table_hash2 *t2 = (struct sw_table_hash2 *) swt;
+ return (table_hash_modify(t2->subtable[0], key, actions, n_actions)
+ + table_hash_modify(t2->subtable[1], key, actions, n_actions));
+ }
+
static int table_hash2_delete(struct sw_table *swt,
const struct sw_flow_key *key,
uint16_t priority, int strict)
swt = &t2->swt;
swt->lookup = table_hash2_lookup;
swt->insert = table_hash2_insert;
+ swt->modify = table_hash2_modify;
swt->delete = table_hash2_delete;
swt->timeout = table_hash2_timeout;
swt->destroy = table_hash2_destroy;
#include <stdlib.h>
#include "flow.h"
#include "list.h"
+#include "openflow.h"
#include "switch-flow.h"
#include "datapath.h"
return 1;
}
+ static int table_linear_modify(struct sw_table *swt,
+ const struct sw_flow_key *key,
+ const struct ofp_action *actions, int n_actions)
+ {
+ struct sw_table_linear *tl = (struct sw_table_linear *) swt;
+ struct sw_flow *flow;
+ unsigned int count = 0;
+
+ LIST_FOR_EACH (flow, struct sw_flow, node, &tl->flows) {
+ if (flow_matches_1wild(&flow->key, key)) {
+ flow_replace_acts(flow, actions, n_actions);
+ count++;
+ }
+ }
+ return count;
+ }
+
static void
do_delete(struct sw_flow *flow)
{
swt = &tl->swt;
swt->lookup = table_linear_lookup;
swt->insert = table_linear_insert;
+ swt->modify = table_linear_modify;
swt->delete = table_linear_delete;
swt->timeout = table_linear_timeout;
swt->destroy = table_linear_destroy;
#include "openflow-netlink.h"
#endif
-#include "buffer.h"
#include "command-line.h"
#include "compiler.h"
#include "dpif.h"
#include "nicira-ext.h"
#include "ofp-print.h"
+#include "ofpbuf.h"
#include "openflow.h"
#include "packets.h"
#include "random.h"
argc -= optind;
argv += optind;
if (argc < 1)
- fatal(0, "missing command name; use --help for help");
+ ofp_fatal(0, "missing command name; use --help for help");
for (p = all_commands; p->name != NULL; p++) {
if (!strcmp(p->name, argv[0])) {
int n_arg = argc - 1;
if (n_arg < p->min_args)
- fatal(0, "'%s' command requires at least %d arguments",
- p->name, p->min_args);
+ ofp_fatal(0, "'%s' command requires at least %d arguments",
+ p->name, p->min_args);
else if (n_arg > p->max_args)
- fatal(0, "'%s' command takes at most %d arguments",
- p->name, p->max_args);
+ ofp_fatal(0, "'%s' command takes at most %d arguments",
+ p->name, p->max_args);
else {
p->handler(argc, argv);
exit(0);
}
}
}
- fatal(0, "unknown command '%s'; use --help for help", argv[0]);
+ ofp_fatal(0, "unknown command '%s'; use --help for help", argv[0]);
return 0;
}
case 't':
timeout = strtoul(optarg, NULL, 10);
if (timeout <= 0) {
- fatal(0, "value %s on -t or --timeout is not at least 1",
- optarg);
+ ofp_fatal(0, "value %s on -t or --timeout is not at least 1",
+ optarg);
} else {
time_alarm(timeout);
}
" dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n"
" add-flow SWITCH FLOW add flow described by FLOW\n"
" add-flows SWITCH FILE add flows from FILE\n"
- " del-flows SWITCH FLOW delete matching FLOWs\n"
+ " mod-flows SWITCH FLOW modify actions of matching FLOWs\n"
+ " del-flows SWITCH [FLOW] delete matching FLOWs\n"
" monitor SWITCH print packets received from SWITCH\n"
"\nFor local datapaths, remote switches, and controllers:\n"
" probe VCONN probe whether VCONN is up\n"
if (strncmp(name, "nl:", 3)
|| strlen(name) < 4
|| name[strspn(name + 3, "0123456789") + 3]) {
- fatal(0, "%s: argument is not of the form \"nl:DP_ID\"", name);
+ ofp_fatal(0, "%s: argument is not of the form \"nl:DP_ID\"", name);
}
run(dpif_open(atoi(name + 3), subscribe, dpif), "opening datapath");
}
for (i = 2; i < argc; i++) {
int retval = function(&dp, argv[i]);
if (retval) {
- error(retval, "failed to %s %s %s %s",
- operation, argv[i], preposition, argv[1]);
+ ofp_error(retval, "failed to %s %s %s %s",
+ operation, argv[i], preposition, argv[1]);
failure = true;
}
}
}
static void *
-alloc_stats_request(size_t body_len, uint16_t type, struct buffer **bufferp)
+alloc_stats_request(size_t body_len, uint16_t type, struct ofpbuf **bufferp)
{
struct ofp_stats_request *rq;
rq = make_openflow((offsetof(struct ofp_stats_request, body)
}
static void
-send_openflow_buffer(struct vconn *vconn, struct buffer *buffer)
+send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer)
{
update_openflow_length(buffer);
run(vconn_send_block(vconn, buffer), "failed to send packet to switch");
}
static void
-dump_transaction(const char *vconn_name, struct buffer *request)
+dump_transaction(const char *vconn_name, struct ofpbuf *request)
{
struct vconn *vconn;
- struct buffer *reply;
+ struct ofpbuf *reply;
update_openflow_length(request);
open_vconn(vconn_name, &vconn);
static void
dump_trivial_transaction(const char *vconn_name, uint8_t request_type)
{
- struct buffer *request;
+ struct ofpbuf *request;
make_openflow(sizeof(struct ofp_header), request_type, &request);
dump_transaction(vconn_name, request);
}
static void
-dump_stats_transaction(const char *vconn_name, struct buffer *request)
+dump_stats_transaction(const char *vconn_name, struct ofpbuf *request)
{
uint32_t send_xid = ((struct ofp_header *) request->data)->xid;
struct vconn *vconn;
send_openflow_buffer(vconn, request);
while (!done) {
uint32_t recv_xid;
- struct buffer *reply;
+ struct ofpbuf *reply;
run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
recv_xid = ((struct ofp_header *) reply->data)->xid;
ofp_print(stdout, reply->data, reply->size, 1);
- osr = buffer_at(reply, 0, sizeof *osr);
+ osr = ofpbuf_at(reply, 0, sizeof *osr);
done = !osr || !(ntohs(osr->flags) & OFPSF_REPLY_MORE);
} else {
VLOG_DBG("received reply with xid %08"PRIx32" "
"!= expected %08"PRIx32, recv_xid, send_xid);
}
- buffer_delete(reply);
+ ofpbuf_delete(reply);
}
vconn_close(vconn);
}
static void
dump_trivial_stats_transaction(const char *vconn_name, uint8_t stats_type)
{
- struct buffer *request;
+ struct ofpbuf *request;
alloc_stats_request(0, stats_type, &request);
dump_stats_transaction(vconn_name, request);
}
{
struct nicira_header *request, *reply;
struct vconn *vconn;
- struct buffer *b;
+ struct ofpbuf *b;
request = make_openflow(sizeof *request, OFPT_VENDOR, &b);
request->vendor_id = htonl(NX_VENDOR_ID);
request->subtype = htonl(NXT_STATUS_REQUEST);
if (argc > 2) {
- buffer_put(b, argv[2], strlen(argv[2]));
+ ofpbuf_put(b, argv[2], strlen(argv[2]));
}
open_vconn(argv[1], &vconn);
run(vconn_transact(vconn, b, &b), "talking to %s", argv[1]);
vconn_close(vconn);
if (b->size < sizeof *reply) {
- fatal(0, "short reply (%zu bytes)", b->size);
+ ofp_fatal(0, "short reply (%zu bytes)", b->size);
}
reply = b->data;
if (reply->header.type != OFPT_VENDOR
|| reply->vendor_id != ntohl(NX_VENDOR_ID)
|| reply->subtype != ntohl(NXT_STATUS_REPLY)) {
ofp_print(stderr, b->data, b->size, 2);
- fatal(0, "bad reply");
+ ofp_fatal(0, "bad reply");
}
fwrite(reply + 1, b->size, 1, stdout);
errno = 0;
value = strtoul(str, &tail, 0);
if (errno == EINVAL || errno == ERANGE || *tail) {
- fatal(0, "invalid numeric format %s", str);
+ ofp_fatal(0, "invalid numeric format %s", str);
}
return value;
}
{
if (sscanf(str, "%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8":%"SCNx8,
&mac[0], &mac[1], &mac[2], &mac[3], &mac[4], &mac[5]) != 6) {
- fatal(0, "invalid mac address %s", str);
+ ofp_fatal(0, "invalid mac address %s", str);
}
}
name = strtok_r(str, "//", &save_ptr);
retval = name ? lookup_ip(name, &in_addr) : EINVAL;
if (retval) {
- fatal(0, "%s: could not convert to IP address", str);
+ ofp_fatal(0, "%s: could not convert to IP address", str);
}
*ip = in_addr.s_addr;
/* Verify that the rest of the bits are 1-bits. */
for (; i < 32; i++) {
if (!(nm & (1u << i))) {
- fatal(0, "%s: %s is not a valid netmask", str, netmask);
+ ofp_fatal(0, "%s: %s is not a valid netmask",
+ str, netmask);
}
}
} else {
int prefix = atoi(netmask);
if (prefix <= 0 || prefix > 32) {
- fatal(0, "%s: network prefix bits not between 1 and 32", str);
+ ofp_fatal(0, "%s: network prefix bits not between 1 and 32",
+ str);
}
n_wild = 32 - prefix;
}
} else if (strspn(act, "0123456789") == strlen(act)) {
port = str_to_int(act);
} else {
- fatal(0, "Unknown action: %s", act);
+ ofp_fatal(0, "Unknown action: %s", act);
}
if (port != OFPP_MAX) {
if (action) {
char *act_str = strstr(string, "action");
if (!act_str) {
- fatal(0, "must specify an action");
+ ofp_fatal(0, "must specify an action");
}
*(act_str-1) = '\0';
act_str = strchr(act_str, '=');
if (!act_str) {
- fatal(0, "must specify an action");
+ ofp_fatal(0, "must specify an action");
}
act_str++;
value = strtok(NULL, ", \t\r\n");
if (!value) {
- fatal(0, "field %s missing value", name);
+ ofp_fatal(0, "field %s missing value", name);
}
if (table_idx && !strcmp(name, "table")) {
}
}
} else {
- fatal(0, "unknown keyword %s", name);
+ ofp_fatal(0, "unknown keyword %s", name);
}
}
}
static void do_dump_flows(int argc, char *argv[])
{
struct ofp_flow_stats_request *req;
- struct buffer *request;
+ struct ofpbuf *request;
req = alloc_stats_request(sizeof *req, OFPST_FLOW, &request);
str_to_flow(argc > 2 ? argv[2] : "", &req->match, NULL, 0,
static void do_dump_aggregate(int argc, char *argv[])
{
struct ofp_aggregate_stats_request *req;
- struct buffer *request;
+ struct ofpbuf *request;
req = alloc_stats_request(sizeof *req, OFPST_AGGREGATE, &request);
str_to_flow(argc > 2 ? argv[2] : "", &req->match, NULL, 0,
static void do_add_flow(int argc, char *argv[])
{
struct vconn *vconn;
- struct buffer *buffer;
+ struct ofpbuf *buffer;
struct ofp_flow_mod *ofm;
uint16_t priority, idle_timeout, hard_timeout;
size_t size;
int n_actions = MAX_ADD_ACTS;
- open_vconn(argv[1], &vconn);
-
/* Parse and send. */
size = sizeof *ofm + (sizeof ofm->actions[0] * MAX_ADD_ACTS);
ofm = make_openflow(size, OFPT_FLOW_MOD, &buffer);
ofm->priority = htons(priority);
ofm->reserved = htonl(0);
- /* xxx Should we use the buffer library? */
+ /* xxx Should we use the ofpbuf library? */
buffer->size -= (MAX_ADD_ACTS - n_actions) * sizeof ofm->actions[0];
+ open_vconn(argv[1], &vconn);
send_openflow_buffer(vconn, buffer);
vconn_close(vconn);
}
static void do_add_flows(int argc, char *argv[])
{
struct vconn *vconn;
-
FILE *file;
char line[1024];
file = fopen(argv[2], "r");
if (file == NULL) {
- fatal(errno, "%s: open", argv[2]);
+ ofp_fatal(errno, "%s: open", argv[2]);
}
open_vconn(argv[1], &vconn);
while (fgets(line, sizeof line, file)) {
- struct buffer *buffer;
+ struct ofpbuf *buffer;
struct ofp_flow_mod *ofm;
uint16_t priority, idle_timeout, hard_timeout;
size_t size;
ofm->priority = htons(priority);
ofm->reserved = htonl(0);
- /* xxx Should we use the buffer library? */
+ /* xxx Should we use the ofpbuf library? */
buffer->size -= (MAX_ADD_ACTS - n_actions) * sizeof ofm->actions[0];
send_openflow_buffer(vconn, buffer);
fclose(file);
}
- static void do_del_flows(int argc, char *argv[])
+ static void do_mod_flows(int argc, char *argv[])
{
+ uint16_t idle_timeout, hard_timeout;
struct vconn *vconn;
- uint16_t priority;
- struct buffer *buffer;
++ struct ofpbuf *buffer;
+ struct ofp_flow_mod *ofm;
+ size_t size;
+ int n_actions = MAX_ADD_ACTS;
+
+ /* Parse and send. */
+ size = sizeof *ofm + (sizeof ofm->actions[0] * MAX_ADD_ACTS);
+ ofm = make_openflow(size, OFPT_FLOW_MOD, &buffer);
+ str_to_flow(argv[2], &ofm->match, &ofm->actions[0], &n_actions,
+ NULL, NULL, &idle_timeout, &hard_timeout);
+ ofm->command = htons(OFPFC_MODIFY);
+ ofm->idle_timeout = htons(idle_timeout);
+ ofm->hard_timeout = htons(hard_timeout);
+ ofm->buffer_id = htonl(UINT32_MAX);
+ ofm->priority = htons(0);
+ ofm->reserved = htonl(0);
+
+ /* xxx Should we use the buffer library? */
+ buffer->size -= (MAX_ADD_ACTS - n_actions) * sizeof ofm->actions[0];
open_vconn(argv[1], &vconn);
- struct buffer *buffer;
+ send_openflow_buffer(vconn, buffer);
+ vconn_close(vconn);
+ }
+
+ static void do_del_flows(int argc, char *argv[])
+ {
+ struct vconn *vconn;
+ uint16_t priority;
+ struct ofpbuf *buffer;
struct ofp_flow_mod *ofm;
size_t size;
-
/* Parse and send. */
size = sizeof *ofm;
ofm = make_openflow(size, OFPT_FLOW_MOD, &buffer);
ofm->priority = htons(priority);
ofm->reserved = htonl(0);
+ open_vconn(argv[1], &vconn);
send_openflow_buffer(vconn, buffer);
-
vconn_close(vconn);
}
}
open_vconn(argv[1], &vconn);
for (;;) {
- struct buffer *b;
+ struct ofpbuf *b;
run(vconn_recv_block(vconn, &b), "vconn_recv");
ofp_print(stderr, b->data, b->size, 2);
- buffer_delete(b);
+ ofpbuf_delete(b);
}
}
static void
do_probe(int argc, char *argv[])
{
- struct buffer *request;
+ struct ofpbuf *request;
struct vconn *vconn;
- struct buffer *reply;
+ struct ofpbuf *reply;
make_openflow(sizeof(struct ofp_header), OFPT_ECHO_REQUEST, &request);
open_vconn(argv[1], &vconn);
run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
if (reply->size != request->size) {
- fatal(0, "reply does not match request");
+ ofp_fatal(0, "reply does not match request");
}
- buffer_delete(reply);
+ ofpbuf_delete(reply);
vconn_close(vconn);
}
static void
do_mod_port(int argc, char *argv[])
{
- struct buffer *request, *reply;
+ struct ofpbuf *request, *reply;
struct ofp_switch_features *osf;
struct ofp_port_mod *opm;
struct vconn *vconn;
}
}
if (port_idx == n_ports) {
- fatal(0, "couldn't find monitored port: %s", argv[2]);
+ ofp_fatal(0, "couldn't find monitored port: %s", argv[2]);
}
opm = make_openflow(sizeof(struct ofp_port_mod), OFPT_PORT_MOD, &request);
opm->mask |= htonl(OFPPFL_NO_FLOOD);
opm->desc.flags |= htonl(OFPPFL_NO_FLOOD);
} else {
- fatal(0, "unknown mod-port command '%s'", argv[3]);
+ ofp_fatal(0, "unknown mod-port command '%s'", argv[3]);
}
send_openflow_buffer(vconn, request);
- buffer_delete(reply);
+ ofpbuf_delete(reply);
vconn_close(vconn);
}
payload = argc > 2 ? atoi(argv[2]) : 64;
if (payload > max_payload) {
- fatal(0, "payload must be between 0 and %zu bytes", max_payload);
+ ofp_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
}
open_vconn(argv[1], &vconn);
for (i = 0; i < 10; i++) {
struct timeval start, end;
- struct buffer *request, *reply;
+ struct ofpbuf *request, *reply;
struct ofp_header *rq_hdr, *rpy_hdr;
rq_hdr = make_openflow(sizeof(struct ofp_header) + payload,
random_bytes(rq_hdr + 1, payload);
gettimeofday(&start, NULL);
- run(vconn_transact(vconn, buffer_clone(request), &reply), "transact");
+ run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact");
gettimeofday(&end, NULL);
rpy_hdr = reply->data;
reply->size - sizeof *rpy_hdr, argv[1], rpy_hdr->xid,
(1000*(double)(end.tv_sec - start.tv_sec))
+ (.001*(end.tv_usec - start.tv_usec)));
- buffer_delete(request);
- buffer_delete(reply);
+ ofpbuf_delete(request);
+ ofpbuf_delete(reply);
}
vconn_close(vconn);
}
payload_size = atoi(argv[2]);
if (payload_size > max_payload) {
- fatal(0, "payload must be between 0 and %zu bytes", max_payload);
+ ofp_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
}
message_size = sizeof(struct ofp_header) + payload_size;
open_vconn(argv[1], &vconn);
gettimeofday(&start, NULL);
for (i = 0; i < count; i++) {
- struct buffer *request, *reply;
+ struct ofpbuf *request, *reply;
struct ofp_header *rq_hdr;
rq_hdr = make_openflow(message_size, OFPT_ECHO_REQUEST, &request);
memset(rq_hdr + 1, 0, payload_size);
run(vconn_transact(vconn, request, &reply), "transact");
- buffer_delete(reply);
+ ofpbuf_delete(reply);
}
gettimeofday(&end, NULL);
vconn_close(vconn);
{ "dump-aggregate", 1, 2, do_dump_aggregate },
{ "add-flow", 2, 2, do_add_flow },
{ "add-flows", 2, 2, do_add_flows },
+ { "mod-flows", 2, 2, do_mod_flows },
{ "del-flows", 1, 2, do_del_flows },
{ "dump-ports", 1, 1, do_dump_ports },
{ "mod-port", 3, 3, do_mod_port },
git://git.onelab.eu / sliver-openvswitch.git / commitdiff