#define THIS_MODULE VLM_dpctl
#define DEFAULT_IDLE_TIMEOUT 60
-#define MAX_ADD_ACTS 5
+
+/* Maximum size of action buffer for adding and modify flows */
+#define MAX_ACT_LEN 60
#define MOD_PORT_CMD_UP "up"
#define MOD_PORT_CMD_DOWN "down"
" dump-flows SWITCH FLOW print matching FLOWs\n"
" dump-aggregate SWITCH print aggregate flow statistics\n"
" dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n"
+#ifdef SUPPORT_SNAT
+ " add-snat SWITCH IFACE IP add SNAT config to IFACE\n"
+ " del-snat SWITCH IFACE delete SNAT config on IFACE\n"
+#endif
" add-flow SWITCH FLOW add flow described by FLOW\n"
" add-flows SWITCH FILE add flows from FILE\n"
" mod-flows SWITCH FLOW modify actions of matching FLOWs\n"
struct ofpbuf *b;
request = make_openflow(sizeof *request, OFPT_VENDOR, &b);
- request->vendor_id = htonl(NX_VENDOR_ID);
+ request->vendor = htonl(NX_VENDOR_ID);
request->subtype = htonl(NXT_STATUS_REQUEST);
if (argc > 2) {
ofpbuf_put(b, argv[2], strlen(argv[2]));
}
reply = b->data;
if (reply->header.type != OFPT_VENDOR
- || reply->vendor_id != ntohl(NX_VENDOR_ID)
+ || reply->vendor != ntohl(NX_VENDOR_ID)
|| reply->subtype != ntohl(NXT_STATUS_REPLY)) {
ofp_print(stderr, b->data, b->size, 2);
ofp_fatal(0, "bad reply");
}
static void
-str_to_action(char *str, struct ofp_action *action, int *n_actions)
+str_to_action(char *str, struct ofp_action_header *actions,
+ size_t *actions_len)
{
- uint16_t port;
- int i;
- int max_actions = *n_actions;
+ size_t len = *actions_len;
char *act, *arg;
char *saveptr = NULL;
+ uint8_t *p = (uint8_t *)actions;
- memset(action, 0, sizeof(*action) * max_actions);
- for (i=0, act = strtok_r(str, ", \t\r\n", &saveptr);
- i<max_actions && act;
- i++, act = strtok_r(NULL, ", \t\r\n", &saveptr))
+ memset(actions, 0, len);
+ for (act = strtok_r(str, ", \t\r\n", &saveptr);
+ (len >= sizeof(struct ofp_action_header)) && act;
+ act = strtok_r(NULL, ", \t\r\n", &saveptr))
{
+ uint16_t port;
+ struct ofp_action_header *ah = (struct ofp_action_header *)p;
+ int act_len = sizeof *ah;
port = OFPP_MAX;
/* Arguments are separated by colons */
}
if (!strcasecmp(act, "mod_vlan_vid")) {
- action[i].type = htons(OFPAT_SET_VLAN_VID);
- action[i].arg.vlan_vid = htons(str_to_int(arg));
+ struct ofp_action_vlan_vid *va = (struct ofp_action_vlan_vid *)ah;
+
+ if (len < sizeof *va) {
+ ofp_fatal(0, "Insufficient room for vlan vid action\n");
+ }
+
+ act_len = sizeof *va;
+ va->type = htons(OFPAT_SET_VLAN_VID);
+ va->vlan_vid = htons(str_to_int(arg));
} else if (!strcasecmp(act, "mod_vlan_pcp")) {
- action[i].type = htons(OFPAT_SET_VLAN_PCP);
- action[i].arg.vlan_pcp = str_to_int(arg);
+ struct ofp_action_vlan_pcp *va = (struct ofp_action_vlan_pcp *)ah;
+
+ if (len < sizeof *va) {
+ ofp_fatal(0, "Insufficient room for vlan pcp action\n");
+ }
+
+ act_len = sizeof *va;
+ va->type = htons(OFPAT_SET_VLAN_PCP);
+ va->vlan_pcp = str_to_int(arg);
} else if (!strcasecmp(act, "strip_vlan")) {
- action[i].type = htons(OFPAT_STRIP_VLAN);
+ ah->type = htons(OFPAT_STRIP_VLAN);
} else if (!strcasecmp(act, "output")) {
port = str_to_int(arg);
+#ifdef SUPPORT_SNAT
+ } else if (!strcasecmp(act, "nat")) {
+ struct nx_action_snat *sa = (struct nx_action_snat *)ah;
+
+ if (len < sizeof *sa) {
+ ofp_fatal(0, "Insufficient room for SNAT action\n");
+ }
+
+ if (str_to_int(arg) > OFPP_MAX) {
+ ofp_fatal(0, "Invalid nat port: %s\n", arg);
+ }
+
+ act_len = sizeof *sa;
+ sa->type = htons(OFPAT_VENDOR);
+ sa->vendor = htonl(NX_VENDOR_ID);
+ sa->subtype = htons(NXAST_SNAT);
+ sa->port = htons(str_to_int(arg));
+#endif
} else if (!strcasecmp(act, "TABLE")) {
port = OFPP_TABLE;
} else if (!strcasecmp(act, "NORMAL")) {
} else if (!strcasecmp(act, "ALL")) {
port = OFPP_ALL;
} else if (!strcasecmp(act, "CONTROLLER")) {
- port = OFPP_CONTROLLER;
- if (arg) {
- if (!strcasecmp(arg, "all")) {
- action[i].arg.output.max_len= htons(0);
- } else {
- action[i].arg.output.max_len= htons(str_to_int(arg));
- }
+ struct ofp_action_output *ca = (struct ofp_action_output *)ah;
+
+ if (act_len < sizeof *ca) {
+ ofp_fatal(0, "Insufficient room for controller action\n");
+ }
+
+ act_len = sizeof *ca;
+ ca->type = htons(OFPAT_OUTPUT);
+ ca->port = htons(OFPP_CONTROLLER);
+
+ /* Unless a numeric argument is specified, we send the whole
+ * packet to the controller. */
+ if (arg && (strspn(act, "0123456789") == strlen(act))) {
+ ca->max_len= htons(str_to_int(arg));
}
} else if (!strcasecmp(act, "LOCAL")) {
port = OFPP_LOCAL;
}
if (port != OFPP_MAX) {
- action[i].type = htons(OFPAT_OUTPUT);
- action[i].arg.output.port = htons(port);
+ struct ofp_action_output *oa = (struct ofp_action_output *)p;
+
+ if (act_len < sizeof *oa) {
+ ofp_fatal(0, "Insufficient room for output action\n");
+ }
+
+ act_len = sizeof *oa;
+ oa->type = htons(OFPAT_OUTPUT);
+ oa->port = htons(port);
}
+
+ ah->len = htons(act_len);
+ p += act_len;
+ len -= act_len;
}
- *n_actions = i;
+ *actions_len -= len;
}
struct protocol {
static void
str_to_flow(char *string, struct ofp_match *match,
- struct ofp_action *action, int *n_actions, uint8_t *table_idx,
- uint16_t *priority, uint16_t *idle_timeout, uint16_t *hard_timeout)
+ struct ofp_action_header *actions, size_t *actions_len,
+ uint8_t *table_idx, uint16_t *priority,
+ uint16_t *idle_timeout, uint16_t *hard_timeout)
{
char *name;
if (hard_timeout) {
*hard_timeout = OFP_FLOW_PERMANENT;
}
- if (action) {
+ if (actions) {
char *act_str = strstr(string, "action");
if (!act_str) {
ofp_fatal(0, "must specify an action");
act_str++;
- str_to_action(act_str, action, n_actions);
+ str_to_action(act_str, actions, actions_len);
}
memset(match, 0, sizeof *match);
wildcards = OFPFW_ALL;
dump_stats_transaction(argv[1], request);
}
+#ifdef SUPPORT_SNAT
+static void do_add_snat(const struct settings *s, int argc, char *argv[])
+{
+ struct vconn *vconn;
+ struct ofpbuf *buffer;
+ struct nx_act_config *nac;
+ size_t size;
+
+ /* Parse and send. */
+ size = sizeof *nac + sizeof nac->snat[0];
+ nac = make_openflow(size, OFPT_VENDOR, &buffer);
+
+ nac->header.vendor = htonl(NX_VENDOR_ID);
+ nac->header.subtype = htonl(NXT_ACT_SET_CONFIG);
+
+ nac->type = htons(NXAST_SNAT);
+ nac->snat[0].command = NXSC_ADD;
+ nac->snat[0].port = htons(str_to_int(argv[2]));
+ nac->snat[0].mac_timeout = htons(0);
+ str_to_ip(argv[3], &nac->snat[0].ip_addr_start);
+ str_to_ip(argv[3], &nac->snat[0].ip_addr_end);
+
+ open_vconn(argv[1], &vconn);
+ send_openflow_buffer(vconn, buffer);
+ vconn_close(vconn);
+}
+
+static void do_del_snat(const struct settings *s, int argc, char *argv[])
+{
+ struct vconn *vconn;
+ struct ofpbuf *buffer;
+ struct nx_act_config *nac;
+ size_t size;
+
+ /* Parse and send. */
+ size = sizeof *nac + sizeof nac->snat[0];
+ nac = make_openflow(size, OFPT_VENDOR, &buffer);
+
+ nac->header.vendor = htonl(NX_VENDOR_ID);
+ nac->header.subtype = htonl(NXT_ACT_SET_CONFIG);
+
+ nac->type = htons(NXAST_SNAT);
+ nac->snat[0].command = NXSC_DELETE;
+ nac->snat[0].port = htons(str_to_int(argv[2]));
+ nac->snat[0].mac_timeout = htons(0);
+
+ open_vconn(argv[1], &vconn);
+ send_openflow_buffer(vconn, buffer);
+ vconn_close(vconn);
+}
+#endif /* SUPPORT_SNAT */
+
static void do_add_flow(const struct settings *s, int argc, char *argv[])
{
struct vconn *vconn;
struct ofp_flow_mod *ofm;
uint16_t priority, idle_timeout, hard_timeout;
size_t size;
- int n_actions = MAX_ADD_ACTS;
+ size_t actions_len = MAX_ACT_LEN;
/* Parse and send. */
- size = sizeof *ofm + (sizeof ofm->actions[0] * MAX_ADD_ACTS);
+ size = sizeof *ofm + actions_len;
ofm = make_openflow(size, OFPT_FLOW_MOD, &buffer);
- str_to_flow(argv[2], &ofm->match, &ofm->actions[0], &n_actions,
+ str_to_flow(argv[2], &ofm->match, &ofm->actions[0], &actions_len,
NULL, &priority, &idle_timeout, &hard_timeout);
ofm->command = htons(OFPFC_ADD);
ofm->idle_timeout = htons(idle_timeout);
ofm->reserved = htonl(0);
/* xxx Should we use the ofpbuf library? */
- buffer->size -= (MAX_ADD_ACTS - n_actions) * sizeof ofm->actions[0];
+ buffer->size -= MAX_ACT_LEN - actions_len;
open_vconn(argv[1], &vconn);
send_openflow_buffer(vconn, buffer);
struct ofp_flow_mod *ofm;
uint16_t priority, idle_timeout, hard_timeout;
size_t size;
- int n_actions = MAX_ADD_ACTS;
+ size_t actions_len = MAX_ACT_LEN;
char *comment;
}
/* Parse and send. */
- size = sizeof *ofm + (sizeof ofm->actions[0] * MAX_ADD_ACTS);
+ size = sizeof *ofm + actions_len;
ofm = make_openflow(size, OFPT_FLOW_MOD, &buffer);
- str_to_flow(line, &ofm->match, &ofm->actions[0], &n_actions,
+ str_to_flow(line, &ofm->match, &ofm->actions[0], &actions_len,
NULL, &priority, &idle_timeout, &hard_timeout);
ofm->command = htons(OFPFC_ADD);
ofm->idle_timeout = htons(idle_timeout);
ofm->reserved = htonl(0);
/* xxx Should we use the ofpbuf library? */
- buffer->size -= (MAX_ADD_ACTS - n_actions) * sizeof ofm->actions[0];
+ buffer->size -= MAX_ACT_LEN - actions_len;
send_openflow_buffer(vconn, buffer);
}
struct ofpbuf *buffer;
struct ofp_flow_mod *ofm;
size_t size;
- int n_actions = MAX_ADD_ACTS;
+ size_t actions_len = MAX_ACT_LEN;
/* Parse and send. */
- size = sizeof *ofm + (sizeof ofm->actions[0] * MAX_ADD_ACTS);
+ size = sizeof *ofm + actions_len;
ofm = make_openflow(size, OFPT_FLOW_MOD, &buffer);
- str_to_flow(argv[2], &ofm->match, &ofm->actions[0], &n_actions,
+ str_to_flow(argv[2], &ofm->match, &ofm->actions[0], &actions_len,
NULL, &priority, &idle_timeout, &hard_timeout);
if (s->strict) {
ofm->command = htons(OFPFC_MODIFY_STRICT);
ofm->reserved = htonl(0);
/* xxx Should we use the buffer library? */
- buffer->size -= (MAX_ADD_ACTS - n_actions) * sizeof ofm->actions[0];
+ buffer->size -= MAX_ACT_LEN - actions_len;
open_vconn(argv[1], &vconn);
send_openflow_buffer(vconn, buffer);
{ "dump-tables", 1, 1, do_dump_tables },
{ "dump-flows", 1, 2, do_dump_flows },
{ "dump-aggregate", 1, 2, do_dump_aggregate },
+#ifdef SUPPORT_SNAT
+ { "add-snat", 3, 3, do_add_snat },
+ { "del-snat", 2, 2, do_del_snat },
+#endif
{ "add-flow", 2, 2, do_add_flow },
{ "add-flows", 2, 2, do_add_flows },
{ "mod-flows", 2, 2, do_mod_flows },
git://git.onelab.eu / sliver-openvswitch.git / blobdiff