#include <errno.h>
#include <stdlib.h>
-#include "autopath.h"
#include "bundle.h"
#include "byte-order.h"
#include "dynamic-string.h"
in_port_s = strsep(&arg, ",");
if (in_port_s && in_port_s[0]) {
if (!ofputil_port_from_string(in_port_s, &resubmit->in_port)) {
- resubmit->in_port = str_to_u32(in_port_s);
+ ovs_fatal(0, "%s: resubmit to unknown port", in_port_s);
}
} else {
resubmit->in_port = OFPP_IN_PORT;
}
}
+static void
+parse_noargs_dec_ttl(struct ofpbuf *b)
+{
+ struct ofpact_cnt_ids *ids;
+ uint16_t id = 0;
+
+ ids = ofpact_put_DEC_TTL(b);
+ ofpbuf_put(b, &id, sizeof id);
+ ids = b->l2;
+ ids->n_controllers++;
+ ofpact_update_len(b, &ids->ofpact);
+}
+
+static void
+parse_dec_ttl(struct ofpbuf *b, char *arg)
+{
+ if (*arg == '\0') {
+ parse_noargs_dec_ttl(b);
+ } else {
+ struct ofpact_cnt_ids *ids;
+ char *cntr;
+
+ ids = ofpact_put_DEC_TTL(b);
+ ids->ofpact.compat = OFPUTIL_NXAST_DEC_TTL_CNT_IDS;
+ for (cntr = strtok_r(arg, ", ", &arg); cntr != NULL;
+ cntr = strtok_r(NULL, ", ", &arg)) {
+ uint16_t id = atoi(cntr);
+
+ ofpbuf_put(b, &id, sizeof id);
+ ids = b->l2;
+ ids->n_controllers++;
+ }
+ if (!ids->n_controllers) {
+ ovs_fatal(0, "dec_ttl_cnt_ids: expected at least one controller "
+ "id.");
+ }
+ ofpact_update_len(b, &ids->ofpact);
+ }
+}
+
+static void
+parse_set_mpls_ttl(struct ofpbuf *b, const char *arg)
+{
+ struct ofpact_mpls_ttl *mpls_ttl = ofpact_put_SET_MPLS_TTL(b);
+
+ if (*arg == '\0') {
+ ovs_fatal(0, "parse_set_mpls_ttl: expected ttl.");
+ }
+
+ mpls_ttl->ttl = atoi(arg);
+}
+
+static void
+set_field_parse(const char *arg, struct ofpbuf *ofpacts)
+{
+ char *orig = xstrdup(arg);
+ struct ofpact_reg_load *load = ofpact_put_REG_LOAD(ofpacts);
+ char *value;
+ char *delim;
+ char *key;
+ const struct mf_field *mf;
+ const char *error;
+ union mf_value mf_value;
+
+ value = orig;
+ delim = strstr(orig, "->");
+ if (!delim) {
+ ovs_fatal(0, "%s: missing `->'", orig);
+ }
+ if (strlen(delim) <= strlen("->")) {
+ ovs_fatal(0, "%s: missing field name following `->'", orig);
+ }
+
+ key = delim + strlen("->");
+ mf = mf_from_name(key);
+ if (!mf) {
+ ovs_fatal(0, "%s is not valid oxm field name", key);
+ }
+ if (!mf->writable) {
+ ovs_fatal(0, "%s is not allowed to set", key);
+ }
+
+ delim[0] = '\0';
+ error = mf_parse_value(mf, value, &mf_value);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+ if (!mf_is_value_valid(mf, &mf_value)) {
+ ovs_fatal(0, "%s is not valid valid for field %s", value, key);
+ }
+ ofpact_set_field_init(load, mf, &mf_value);
+ free(orig);
+}
+
+static void
+parse_metadata(struct ofpbuf *b, char *arg)
+{
+ struct ofpact_metadata *om;
+ char *mask = strchr(arg, '/');
+
+ om = ofpact_put_WRITE_METADATA(b);
+
+ if (mask) {
+ *mask = '\0';
+ om->mask = htonll(str_to_u64(mask + 1));
+ } else {
+ om->mask = htonll(UINT64_MAX);
+ }
+
+ om->metadata = htonll(str_to_u64(arg));
+}
+
static void
parse_named_action(enum ofputil_action_code code, const struct flow *flow,
char *arg, struct ofpbuf *ofpacts)
{
struct ofpact_tunnel *tunnel;
uint16_t vid;
+ uint16_t ethertype;
ovs_be32 ip;
uint8_t pcp;
uint8_t tos;
ofpact_put_SET_VLAN_PCP(ofpacts)->vlan_pcp = pcp;
break;
+ case OFPUTIL_OFPAT12_SET_FIELD:
+ set_field_parse(arg, ofpacts);
+ break;
+
case OFPUTIL_OFPAT10_STRIP_VLAN:
+ case OFPUTIL_OFPAT11_POP_VLAN:
ofpact_put_STRIP_VLAN(ofpacts);
break;
+ case OFPUTIL_OFPAT11_PUSH_VLAN:
+ ethertype = str_to_u16(arg, "ethertype");
+ if (ethertype != ETH_TYPE_VLAN_8021Q) {
+ /* XXX ETH_TYPE_VLAN_8021AD case isn't supported */
+ ovs_fatal(0, "%s: not a valid VLAN ethertype", arg);
+ }
+ ofpact_put_PUSH_VLAN(ofpacts);
+ break;
+
+ case OFPUTIL_OFPAT11_SET_QUEUE:
+ ofpact_put_SET_QUEUE(ofpacts)->queue_id = str_to_u32(arg);
+ break;
+
+
case OFPUTIL_OFPAT10_SET_DL_SRC:
case OFPUTIL_OFPAT11_SET_DL_SRC:
str_to_mac(arg, ofpact_put_SET_ETH_SRC(ofpacts)->mac);
ofpact_put_SET_IPV4_DSCP(ofpacts)->dscp = tos;
break;
+ case OFPUTIL_OFPAT11_DEC_NW_TTL:
+ NOT_REACHED();
+
case OFPUTIL_OFPAT10_SET_TP_SRC:
case OFPUTIL_OFPAT11_SET_TP_SRC:
ofpact_put_SET_L4_SRC_PORT(ofpacts)->port = str_to_u32(arg);
tunnel->tun_id = str_to_u64(arg);
break;
+ case OFPUTIL_NXAST_WRITE_METADATA:
+ parse_metadata(ofpacts, arg);
+ break;
+
case OFPUTIL_NXAST_SET_QUEUE:
ofpact_put_SET_QUEUE(ofpacts)->queue_id = str_to_u32(arg);
break;
multipath_parse(ofpact_put_MULTIPATH(ofpacts), arg);
break;
- case OFPUTIL_NXAST_AUTOPATH:
- autopath_parse(ofpact_put_AUTOPATH(ofpacts), arg);
- break;
-
case OFPUTIL_NXAST_BUNDLE:
bundle_parse(arg, ofpacts);
break;
case OFPUTIL_NXAST_RESUBMIT_TABLE:
case OFPUTIL_NXAST_OUTPUT_REG:
+ case OFPUTIL_NXAST_DEC_TTL_CNT_IDS:
NOT_REACHED();
case OFPUTIL_NXAST_LEARN:
break;
case OFPUTIL_NXAST_DEC_TTL:
- ofpact_put_DEC_TTL(ofpacts);
+ parse_dec_ttl(ofpacts, arg);
+ break;
+
+ case OFPUTIL_NXAST_SET_MPLS_TTL:
+ case OFPUTIL_OFPAT11_SET_MPLS_TTL:
+ parse_set_mpls_ttl(ofpacts, arg);
+ break;
+
+ case OFPUTIL_OFPAT11_DEC_MPLS_TTL:
+ case OFPUTIL_NXAST_DEC_MPLS_TTL:
+ ofpact_put_DEC_MPLS_TTL(ofpacts);
break;
case OFPUTIL_NXAST_FIN_TIMEOUT:
case OFPUTIL_NXAST_CONTROLLER:
parse_controller(ofpacts, arg);
break;
+
+ case OFPUTIL_OFPAT11_PUSH_MPLS:
+ case OFPUTIL_NXAST_PUSH_MPLS:
+ ofpact_put_PUSH_MPLS(ofpacts)->ethertype =
+ htons(str_to_u16(arg, "push_mpls"));
+ break;
+
+ case OFPUTIL_OFPAT11_POP_MPLS:
+ case OFPUTIL_NXAST_POP_MPLS:
+ ofpact_put_POP_MPLS(ofpacts)->ethertype =
+ htons(str_to_u16(arg, "pop_mpls"));
+ break;
+ case OFPUTIL_NXAST_STACK_PUSH:
+ nxm_parse_stack_action(ofpact_put_STACK_PUSH(ofpacts), arg);
+ break;
+ case OFPUTIL_NXAST_STACK_POP:
+ nxm_parse_stack_action(ofpact_put_STACK_POP(ofpacts), arg);
+ break;
+ }
+}
+
+static bool
+str_to_ofpact__(const struct flow *flow, char *pos, char *act, char *arg,
+ struct ofpbuf *ofpacts, int n_actions)
+{
+ int code = ofputil_action_code_from_name(act);
+ if (code >= 0) {
+ parse_named_action(code, flow, arg, ofpacts);
+ } else if (!strcasecmp(act, "drop")) {
+ if (n_actions) {
+ ovs_fatal(0, "Drop actions must not be preceded by other "
+ "actions");
+ } else if (ofputil_parse_key_value(&pos, &act, &arg)) {
+ ovs_fatal(0, "Drop actions must not be followed by other "
+ "actions");
+ }
+ return false;
+ } else {
+ uint16_t port;
+ if (ofputil_port_from_string(act, &port)) {
+ ofpact_put_OUTPUT(ofpacts)->port = port;
+ } else {
+ ovs_fatal(0, "Unknown action: %s", act);
+ }
}
+
+ return true;
}
static void
str_to_ofpacts(const struct flow *flow, char *str, struct ofpbuf *ofpacts)
{
char *pos, *act, *arg;
+ enum ofperr error;
int n_actions;
pos = str;
n_actions = 0;
while (ofputil_parse_key_value(&pos, &act, &arg)) {
- uint16_t port;
- int code;
-
- code = ofputil_action_code_from_name(act);
- if (code >= 0) {
- parse_named_action(code, flow, arg, ofpacts);
- } else if (!strcasecmp(act, "drop")) {
- if (n_actions) {
- ovs_fatal(0, "Drop actions must not be preceded by other "
- "actions");
- } else if (ofputil_parse_key_value(&pos, &act, &arg)) {
- ovs_fatal(0, "Drop actions must not be followed by other "
- "actions");
- }
+ if (!str_to_ofpact__(flow, pos, act, arg, ofpacts, n_actions)) {
break;
- } else if (ofputil_port_from_string(act, &port)) {
- ofpact_put_OUTPUT(ofpacts)->port = port;
+ }
+ n_actions++;
+ }
+
+ error = ofpacts_verify(ofpacts->data, ofpacts->size);
+ if (error) {
+ ovs_fatal(0, "Incorrect action ordering");
+ }
+
+ ofpact_pad(ofpacts);
+}
+
+static void
+parse_named_instruction(enum ovs_instruction_type type,
+ char *arg, struct ofpbuf *ofpacts)
+{
+ enum ofperr error;
+
+ switch (type) {
+ case OVSINST_OFPIT11_APPLY_ACTIONS:
+ NOT_REACHED(); /* This case is handled by str_to_inst_ofpacts() */
+ break;
+
+ case OVSINST_OFPIT11_WRITE_ACTIONS:
+ /* XXX */
+ ovs_fatal(0, "instruction write-actions is not supported yet");
+ break;
+
+ case OVSINST_OFPIT11_CLEAR_ACTIONS:
+ ofpact_put_CLEAR_ACTIONS(ofpacts);
+ break;
+
+ case OVSINST_OFPIT11_WRITE_METADATA:
+ parse_metadata(ofpacts, arg);
+ break;
+
+ case OVSINST_OFPIT11_GOTO_TABLE: {
+ struct ofpact_goto_table *ogt = ofpact_put_GOTO_TABLE(ofpacts);
+ char *table_s = strsep(&arg, ",");
+ if (!table_s || !table_s[0]) {
+ ovs_fatal(0, "instruction goto-table needs table id");
+ }
+ ogt->table_id = str_to_table_id(table_s);
+ break;
+ }
+ }
+
+ /* If write_metadata is specified as an action AND an instruction, ofpacts
+ could be invalid. */
+ error = ofpacts_verify(ofpacts->data, ofpacts->size);
+ if (error) {
+ ovs_fatal(0, "Incorrect instruction ordering");
+ }
+}
+
+static void
+str_to_inst_ofpacts(const struct flow *flow, char *str, struct ofpbuf *ofpacts)
+{
+ char *pos, *inst, *arg;
+ int type;
+ const char *prev_inst = NULL;
+ int prev_type = -1;
+ int n_actions = 0;
+
+ pos = str;
+ while (ofputil_parse_key_value(&pos, &inst, &arg)) {
+ type = ofpact_instruction_type_from_name(inst);
+ if (type < 0) {
+ if (!str_to_ofpact__(flow, pos, inst, arg, ofpacts, n_actions)) {
+ break;
+ }
+
+ type = OVSINST_OFPIT11_APPLY_ACTIONS;
+ if (prev_type == type) {
+ n_actions++;
+ continue;
+ }
+ } else if (type == OVSINST_OFPIT11_APPLY_ACTIONS) {
+ ovs_fatal(0, "%s isn't supported. Just write actions then "
+ "it is interpreted as apply_actions", inst);
} else {
- ovs_fatal(0, "Unknown action: %s", act);
+ parse_named_instruction(type, arg, ofpacts);
+ }
+
+ if (type == prev_type) {
+ ovs_fatal(0, "instruction can be specified at most once: %s",
+ inst);
}
+ if (type <= prev_type) {
+ ovs_fatal(0, "Instruction %s must be specified before %s",
+ inst, prev_inst);
+ }
+
+ prev_inst = inst;
+ prev_type = type;
n_actions++;
}
ofpact_pad(ofpacts);
{ "icmp6", ETH_TYPE_IPV6, IPPROTO_ICMPV6 },
{ "tcp6", ETH_TYPE_IPV6, IPPROTO_TCP },
{ "udp6", ETH_TYPE_IPV6, IPPROTO_UDP },
+ { "rarp", ETH_TYPE_RARP, 0},
+ { "mpls", ETH_TYPE_MPLS, 0 },
+ { "mplsm", ETH_TYPE_MPLS_MCAST, 0 },
};
const struct protocol *p;
}
static void
-parse_field(const struct mf_field *mf, const char *s, struct cls_rule *rule)
+parse_field(const struct mf_field *mf, const char *s, struct match *match)
{
union mf_value value, mask;
char *error;
ovs_fatal(0, "%s", error);
}
- mf_set(mf, &value, &mask, rule);
+ mf_set(mf, &value, &mask, match);
}
/* Convert 'str_' (as described in the Flow Syntax section of the ovs-ofctl man
NOT_REACHED();
}
- cls_rule_init_catchall(&fm->cr, OFP_DEFAULT_PRIORITY);
+ match_init_catchall(&fm->match);
+ fm->priority = OFP_DEFAULT_PRIORITY;
fm->cookie = htonll(0);
fm->cookie_mask = htonll(0);
if (command == OFPFC_MODIFY || command == OFPFC_MODIFY_STRICT) {
fm->idle_timeout = OFP_FLOW_PERMANENT;
fm->hard_timeout = OFP_FLOW_PERMANENT;
fm->buffer_id = UINT32_MAX;
- fm->out_port = OFPP_NONE;
+ fm->out_port = OFPP_ANY;
fm->flags = 0;
if (fields & F_ACTIONS) {
act_str = strstr(string, "action");
const struct protocol *p;
if (parse_protocol(name, &p)) {
- cls_rule_set_dl_type(&fm->cr, htons(p->dl_type));
+ match_set_dl_type(&fm->match, htons(p->dl_type));
if (p->nw_proto) {
- cls_rule_set_nw_proto(&fm->cr, p->nw_proto);
+ match_set_nw_proto(&fm->match, p->nw_proto);
}
} else if (fields & F_FLAGS && !strcmp(name, "send_flow_rem")) {
fm->flags |= OFPFF_SEND_FLOW_REM;
} else if (fields & F_FLAGS && !strcmp(name, "check_overlap")) {
fm->flags |= OFPFF_CHECK_OVERLAP;
+ } else if (fields & F_FLAGS && !strcmp(name, "reset_counts")) {
+ fm->flags |= OFPFF12_RESET_COUNTS;
+ } else if (fields & F_FLAGS && !strcmp(name, "no_packet_counts")) {
+ fm->flags |= OFPFF13_NO_PKT_COUNTS;
+ } else if (fields & F_FLAGS && !strcmp(name, "no_byte_counts")) {
+ fm->flags |= OFPFF13_NO_BYT_COUNTS;
} else {
char *value;
if (!strcmp(name, "table")) {
fm->table_id = str_to_table_id(value);
} else if (!strcmp(name, "out_port")) {
- fm->out_port = atoi(value);
+ if (!ofputil_port_from_string(name, &fm->out_port)) {
+ ofp_fatal(str_, verbose, "%s is not a valid OpenFlow port",
+ name);
+ }
} else if (fields & F_PRIORITY && !strcmp(name, "priority")) {
- fm->cr.priority = str_to_u16(value, name);
+ fm->priority = str_to_u16(value, name);
} else if (fields & F_TIMEOUT && !strcmp(name, "idle_timeout")) {
fm->idle_timeout = str_to_u16(value, name);
} else if (fields & F_TIMEOUT && !strcmp(name, "hard_timeout")) {
fm->new_cookie = htonll(str_to_u64(value));
}
} else if (mf_from_name(name)) {
- parse_field(mf_from_name(name), value, &fm->cr);
+ parse_field(mf_from_name(name), value, &fm->match);
} else if (!strcmp(name, "duration")
|| !strcmp(name, "n_packets")
- || !strcmp(name, "n_bytes")) {
+ || !strcmp(name, "n_bytes")
+ || !strcmp(name, "idle_age")
+ || !strcmp(name, "hard_age")) {
/* Ignore these, so that users can feed the output of
* "ovs-ofctl dump-flows" back into commands that parse
* flows. */
struct ofpbuf ofpacts;
ofpbuf_init(&ofpacts, 32);
- str_to_ofpacts(&fm->cr.flow, act_str, &ofpacts);
+ str_to_inst_ofpacts(&fm->match.flow, act_str, &ofpacts);
fm->ofpacts_len = ofpacts.size;
fm->ofpacts = ofpbuf_steal_data(&ofpacts);
} else {
free(string);
}
+/* Convert 'str_' (as described in the documentation for the "monitor" command
+ * in the ovs-ofctl man page) into 'fmr'. */
+void
+parse_flow_monitor_request(struct ofputil_flow_monitor_request *fmr,
+ const char *str_)
+{
+ static uint32_t id;
+
+ char *string = xstrdup(str_);
+ char *save_ptr = NULL;
+ char *name;
+
+ fmr->id = id++;
+ fmr->flags = (NXFMF_INITIAL | NXFMF_ADD | NXFMF_DELETE | NXFMF_MODIFY
+ | NXFMF_OWN | NXFMF_ACTIONS);
+ fmr->out_port = OFPP_NONE;
+ fmr->table_id = 0xff;
+ match_init_catchall(&fmr->match);
+
+ for (name = strtok_r(string, "=, \t\r\n", &save_ptr); name;
+ name = strtok_r(NULL, "=, \t\r\n", &save_ptr)) {
+ const struct protocol *p;
+
+ if (!strcmp(name, "!initial")) {
+ fmr->flags &= ~NXFMF_INITIAL;
+ } else if (!strcmp(name, "!add")) {
+ fmr->flags &= ~NXFMF_ADD;
+ } else if (!strcmp(name, "!delete")) {
+ fmr->flags &= ~NXFMF_DELETE;
+ } else if (!strcmp(name, "!modify")) {
+ fmr->flags &= ~NXFMF_MODIFY;
+ } else if (!strcmp(name, "!actions")) {
+ fmr->flags &= ~NXFMF_ACTIONS;
+ } else if (!strcmp(name, "!own")) {
+ fmr->flags &= ~NXFMF_OWN;
+ } else if (parse_protocol(name, &p)) {
+ match_set_dl_type(&fmr->match, htons(p->dl_type));
+ if (p->nw_proto) {
+ match_set_nw_proto(&fmr->match, p->nw_proto);
+ }
+ } else {
+ char *value;
+
+ value = strtok_r(NULL, ", \t\r\n", &save_ptr);
+ if (!value) {
+ ovs_fatal(0, "%s: field %s missing value", str_, name);
+ }
+
+ if (!strcmp(name, "table")) {
+ fmr->table_id = str_to_table_id(value);
+ } else if (!strcmp(name, "out_port")) {
+ fmr->out_port = atoi(value);
+ } else if (mf_from_name(name)) {
+ parse_field(mf_from_name(name), value, &fmr->match);
+ } else {
+ ovs_fatal(0, "%s: unknown keyword %s", str_, name);
+ }
+ }
+ }
+ free(string);
+}
+
/* Parses 's' as a set of OpenFlow actions and appends the actions to
* 'actions'.
*
parse_ofp_flow_mod_str(struct ofputil_flow_mod *fm, const char *string,
uint16_t command, bool verbose)
{
- struct cls_rule rule_copy;
+ struct match match_copy;
parse_ofp_str(fm, command, string, verbose);
- /* Normalize a copy of the rule. This ensures that non-normalized flows
+ /* Normalize a copy of the match. This ensures that non-normalized flows
* get logged but doesn't affect what gets sent to the switch, so that the
* switch can do whatever it likes with the flow. */
- rule_copy = fm->cr;
- ofputil_normalize_rule(&rule_copy);
+ match_copy = fm->match;
+ ofputil_normalize_match(&match_copy);
}
void
fsr->aggregate = aggregate;
fsr->cookie = fm.cookie;
fsr->cookie_mask = fm.cookie_mask;
- fsr->match = fm.cr;
+ fsr->match = fm.match;
fsr->out_port = fm.out_port;
fsr->table_id = fm.table_id;
}
}
}
+ if (!flow->in_port) {
+ flow->in_port = OFPP_NONE;
+ }
+
exit:
free(copy);
git://git.onelab.eu / sliver-openvswitch.git / blobdiff