/**
* Load size with SI prefix.
* @param opt Option name.
* @param val Value pointer.
* @param base Value base (e.g. 1000, 1024, etc.).
* @return <0 - error. 0 - success. >0 - not found.
*/
static int zcfg_load_kmgt(const config_setting_t *option, uint64_t *val, uint64_t base)
{
*val = 0ull;
if (!option) {
return 1;
}
if ((CONFIG_TYPE_INT == option->type) || (CONFIG_TYPE_INT64 == option->type)) {
int64_t ival64 = config_setting_get_int64(option);
if (ival64 < 0) {
return -1;
}
return 0;
} else if (CONFIG_TYPE_STRING == option->type) {
const char *str = config_setting_get_string(option);
if (0 != str_to_u64(str, val)) {
return -1;
}
char prefix = str[strlen(str) - 1];
*val *= str_parse_si_unit(prefix, base);
return 0;
}
return -1;
}
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_set_tunnel(struct ofpbuf *b, const char *arg)
{
uint64_t tun_id = str_to_u64(arg);
if (tun_id > UINT32_MAX) {
ofputil_put_NXAST_SET_TUNNEL64(b)->tun_id = htonll(tun_id);
} else {
ofputil_put_NXAST_SET_TUNNEL(b)->tun_id = htonl(tun_id);
}
}
/* Parses 'str' as an 64-bit unsigned integer in network byte order into
* '*valuep'.
*
* Returns NULL if successful, otherwise a malloc()'d string describing the
* error. The caller is responsible for freeing the returned string. */
char * OVS_WARN_UNUSED_RESULT
str_to_be64(const char *str, ovs_be64 *valuep)
{
uint64_t value = 0;
char *error;
error = str_to_u64(str, &value);
if (!error) {
*valuep = htonll(value);
}
return error;
}
static int set_general_u64(struct arguments *args, enum general_module module, __u8 type,
char *value, __u64 min, __u64 max, __u64 multiplier)
{
__u64 tmp;
int error;
error = str_to_u64(value, &tmp, min, max);
if (error)
return error;
tmp *= multiplier;
return set_general_arg(args, module, type, sizeof(tmp), &tmp);
}
/* Convert 'str_' (as described in the Flow Syntax section of the ovs-ofctl man
* page) into 'fm' for sending the specified flow_mod 'command' to a switch.
* If 'actions' is specified, an action must be in 'string' and may be expanded
* or reallocated.
*
* To parse syntax for an OFPT_FLOW_MOD (or NXT_FLOW_MOD), use an OFPFC_*
* constant for 'command'. To parse syntax for an OFPST_FLOW or
* OFPST_AGGREGATE (or NXST_FLOW or NXST_AGGREGATE), use -1 for 'command'. */
void
parse_ofp_str(struct ofputil_flow_mod *fm, int command, const char *str_,
bool verbose)
{
enum {
F_OUT_PORT = 1 << 0,
F_ACTIONS = 1 << 1,
F_TIMEOUT = 1 << 3,
F_PRIORITY = 1 << 4,
F_FLAGS = 1 << 5,
} fields;
char *string = xstrdup(str_);
char *save_ptr = NULL;
char *act_str = NULL;
char *name;
switch (command) {
case -1:
fields = F_OUT_PORT;
break;
case OFPFC_ADD:
fields = F_ACTIONS | F_TIMEOUT | F_PRIORITY | F_FLAGS;
break;
case OFPFC_DELETE:
fields = F_OUT_PORT;
break;
case OFPFC_DELETE_STRICT:
fields = F_OUT_PORT | F_PRIORITY;
break;
case OFPFC_MODIFY:
fields = F_ACTIONS | F_TIMEOUT | F_PRIORITY | F_FLAGS;
break;
case OFPFC_MODIFY_STRICT:
fields = F_ACTIONS | F_TIMEOUT | F_PRIORITY | F_FLAGS;
break;
default:
NOT_REACHED();
}
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) {
/* For modify, by default, don't update the cookie. */
fm->new_cookie = htonll(UINT64_MAX);
} else{
fm->new_cookie = htonll(0);
}
fm->table_id = 0xff;
fm->command = command;
fm->idle_timeout = OFP_FLOW_PERMANENT;
fm->hard_timeout = OFP_FLOW_PERMANENT;
fm->buffer_id = UINT32_MAX;
fm->out_port = OFPP_ANY;
fm->flags = 0;
if (fields & F_ACTIONS) {
act_str = strstr(string, "action");
if (!act_str) {
ofp_fatal(str_, verbose, "must specify an action");
}
*act_str = '\0';
act_str = strchr(act_str + 1, '=');
if (!act_str) {
ofp_fatal(str_, verbose, "must specify an action");
}
act_str++;
}
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 (parse_protocol(name, &p)) {
match_set_dl_type(&fm->match, htons(p->dl_type));
if (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;
value = strtok_r(NULL, ", \t\r\n", &save_ptr);
if (!value) {
ofp_fatal(str_, verbose, "field %s missing value", name);
}
if (!strcmp(name, "table")) {
fm->table_id = str_to_u8(value, name);
} else if (!strcmp(name, "out_port")) {
if (!ofputil_port_from_string(value, &fm->out_port)) {
ofp_fatal(str_, verbose, "%s is not a valid OpenFlow port",
name);
}
} else if (fields & F_PRIORITY && !strcmp(name, "priority")) {
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->hard_timeout = str_to_u16(value, name);
} else if (!strcmp(name, "cookie")) {
char *mask = strchr(value, '/');
if (mask) {
/* A mask means we're searching for a cookie. */
if (command == OFPFC_ADD) {
ofp_fatal(str_, verbose, "flow additions cannot use "
"a cookie mask");
}
*mask = '\0';
fm->cookie = htonll(str_to_u64(value));
fm->cookie_mask = htonll(str_to_u64(mask+1));
} else {
/* No mask means that the cookie is being set. */
if (command != OFPFC_ADD && command != OFPFC_MODIFY
&& command != OFPFC_MODIFY_STRICT) {
ofp_fatal(str_, verbose, "cannot set cookie");
}
fm->new_cookie = htonll(str_to_u64(value));
}
} else if (mf_from_name(name)) {
parse_field(mf_from_name(name), value, &fm->match);
} else if (!strcmp(name, "duration")
|| !strcmp(name, "n_packets")
|| !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. */
} else {
ofp_fatal(str_, verbose, "unknown keyword %s", name);
}
}
}
if (!fm->cookie_mask && fm->new_cookie == htonll(UINT64_MAX)
&& (command == OFPFC_MODIFY || command == OFPFC_MODIFY_STRICT)) {
/* On modifies without a mask, we are supposed to add a flow if
* one does not exist. If a cookie wasn't been specified, use a
* default of zero. */
fm->new_cookie = htonll(0);
}
if (fields & F_ACTIONS) {
struct ofpbuf ofpacts;
enum ofperr err;
ofpbuf_init(&ofpacts, 32);
str_to_inst_ofpacts(act_str, &ofpacts);
fm->ofpacts_len = ofpacts.size;
fm->ofpacts = ofpbuf_steal_data(&ofpacts);
err = ofpacts_check(fm->ofpacts, fm->ofpacts_len, &fm->match.flow,
OFPP_MAX, 0);
if (err) {
exit(EXIT_FAILURE);
}
} else {
fm->ofpacts_len = 0;
fm->ofpacts = NULL;
}
free(string);
}
static void
parse_named_action(enum ofputil_action_code code,
char *arg, struct ofpbuf *ofpacts)
{
struct ofpact_tunnel *tunnel;
uint16_t vid;
uint16_t ethertype;
ovs_be32 ip;
uint8_t pcp;
uint8_t tos;
switch (code) {
case OFPUTIL_ACTION_INVALID:
NOT_REACHED();
case OFPUTIL_OFPAT10_OUTPUT:
case OFPUTIL_OFPAT11_OUTPUT:
parse_output(arg, ofpacts);
break;
case OFPUTIL_OFPAT10_SET_VLAN_VID:
case OFPUTIL_OFPAT11_SET_VLAN_VID:
vid = str_to_u32(arg);
if (vid & ~VLAN_VID_MASK) {
ovs_fatal(0, "%s: not a valid VLAN VID", arg);
}
ofpact_put_SET_VLAN_VID(ofpacts)->vlan_vid = vid;
break;
case OFPUTIL_OFPAT10_SET_VLAN_PCP:
case OFPUTIL_OFPAT11_SET_VLAN_PCP:
pcp = str_to_u32(arg);
if (pcp & ~7) {
ovs_fatal(0, "%s: not a valid VLAN PCP", arg);
}
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);
break;
case OFPUTIL_OFPAT10_SET_DL_DST:
case OFPUTIL_OFPAT11_SET_DL_DST:
str_to_mac(arg, ofpact_put_SET_ETH_DST(ofpacts)->mac);
break;
case OFPUTIL_OFPAT10_SET_NW_SRC:
case OFPUTIL_OFPAT11_SET_NW_SRC:
str_to_ip(arg, &ip);
ofpact_put_SET_IPV4_SRC(ofpacts)->ipv4 = ip;
break;
case OFPUTIL_OFPAT10_SET_NW_DST:
case OFPUTIL_OFPAT11_SET_NW_DST:
str_to_ip(arg, &ip);
ofpact_put_SET_IPV4_DST(ofpacts)->ipv4 = ip;
break;
case OFPUTIL_OFPAT10_SET_NW_TOS:
case OFPUTIL_OFPAT11_SET_NW_TOS:
tos = str_to_u32(arg);
if (tos & ~IP_DSCP_MASK) {
ovs_fatal(0, "%s: not a valid TOS", arg);
}
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);
break;
case OFPUTIL_OFPAT10_SET_TP_DST:
case OFPUTIL_OFPAT11_SET_TP_DST:
ofpact_put_SET_L4_DST_PORT(ofpacts)->port = str_to_u32(arg);
break;
case OFPUTIL_OFPAT10_ENQUEUE:
parse_enqueue(arg, ofpacts);
break;
case OFPUTIL_NXAST_RESUBMIT:
parse_resubmit(arg, ofpacts);
break;
case OFPUTIL_NXAST_SET_TUNNEL:
case OFPUTIL_NXAST_SET_TUNNEL64:
tunnel = ofpact_put_SET_TUNNEL(ofpacts);
tunnel->ofpact.compat = code;
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;
case OFPUTIL_NXAST_POP_QUEUE:
ofpact_put_POP_QUEUE(ofpacts);
break;
case OFPUTIL_NXAST_REG_MOVE:
nxm_parse_reg_move(ofpact_put_REG_MOVE(ofpacts), arg);
break;
case OFPUTIL_NXAST_REG_LOAD:
nxm_parse_reg_load(ofpact_put_REG_LOAD(ofpacts), arg);
break;
case OFPUTIL_NXAST_NOTE:
parse_note(arg, ofpacts);
break;
case OFPUTIL_NXAST_MULTIPATH:
multipath_parse(ofpact_put_MULTIPATH(ofpacts), arg);
break;
case OFPUTIL_NXAST_BUNDLE:
bundle_parse(arg, ofpacts);
break;
case OFPUTIL_NXAST_BUNDLE_LOAD:
bundle_parse_load(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:
learn_parse(arg, ofpacts);
break;
case OFPUTIL_NXAST_EXIT:
ofpact_put_EXIT(ofpacts);
break;
case OFPUTIL_NXAST_DEC_TTL:
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:
parse_fin_timeout(ofpacts, arg);
break;
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;
case OFPUTIL_NXAST_SAMPLE:
parse_sample(ofpacts, arg);
break;
}
}
/* Convert 'string' (as described in the Flow Syntax section of the ovs-ofctl
* man page) into 'pf'. If 'actions' is specified, an action must be in
* 'string' and may be expanded or reallocated. */
void
parse_ofp_str(struct flow_mod *fm, uint8_t *table_idx,
struct ofpbuf *actions, char *string)
{
char *save_ptr = NULL;
char *name;
if (table_idx) {
*table_idx = 0xff;
}
cls_rule_init_catchall(&fm->cr, OFP_DEFAULT_PRIORITY);
fm->cookie = htonll(0);
fm->command = UINT16_MAX;
fm->idle_timeout = OFP_FLOW_PERMANENT;
fm->hard_timeout = OFP_FLOW_PERMANENT;
fm->buffer_id = UINT32_MAX;
fm->out_port = OFPP_NONE;
fm->flags = 0;
if (actions) {
char *act_str = strstr(string, "action");
if (!act_str) {
ovs_fatal(0, "must specify an action");
}
*act_str = '\0';
act_str = strchr(act_str + 1, '=');
if (!act_str) {
ovs_fatal(0, "must specify an action");
}
act_str++;
str_to_action(act_str, actions);
fm->actions = actions->data;
fm->n_actions = actions->size / sizeof(union ofp_action);
} else {
fm->actions = NULL;
fm->n_actions = 0;
}
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 (parse_protocol(name, &p)) {
cls_rule_set_dl_type(&fm->cr, htons(p->dl_type));
if (p->nw_proto) {
cls_rule_set_nw_proto(&fm->cr, p->nw_proto);
}
} else {
const struct field *f;
char *value;
value = strtok_r(NULL, ", \t\r\n", &save_ptr);
if (!value) {
ovs_fatal(0, "field %s missing value", name);
}
if (table_idx && !strcmp(name, "table")) {
*table_idx = atoi(value);
} else if (!strcmp(name, "out_port")) {
fm->out_port = atoi(value);
} else if (!strcmp(name, "priority")) {
fm->cr.priority = atoi(value);
} else if (!strcmp(name, "idle_timeout")) {
fm->idle_timeout = atoi(value);
} else if (!strcmp(name, "hard_timeout")) {
fm->hard_timeout = atoi(value);
} else if (!strcmp(name, "cookie")) {
fm->cookie = htonll(str_to_u64(value));
} else if (parse_field_name(name, &f)) {
if (!strcmp(value, "*") || !strcmp(value, "ANY")) {
if (f->wildcard) {
fm->cr.wc.wildcards |= f->wildcard;
cls_rule_zero_wildcarded_fields(&fm->cr);
} else if (f->index == F_NW_SRC) {
cls_rule_set_nw_src_masked(&fm->cr, 0, 0);
} else if (f->index == F_NW_DST) {
cls_rule_set_nw_dst_masked(&fm->cr, 0, 0);
} else if (f->index == F_IPV6_SRC) {
cls_rule_set_ipv6_src_masked(&fm->cr,
&in6addr_any, &in6addr_any);
} else if (f->index == F_IPV6_DST) {
cls_rule_set_ipv6_dst_masked(&fm->cr,
&in6addr_any, &in6addr_any);
} else if (f->index == F_DL_VLAN) {
cls_rule_set_any_vid(&fm->cr);
} else if (f->index == F_DL_VLAN_PCP) {
cls_rule_set_any_pcp(&fm->cr);
} else {
NOT_REACHED();
}
} else {
parse_field_value(&fm->cr, f->index, value);
}
} else if (!strncmp(name, "reg", 3)
&& isdigit((unsigned char) name[3])) {
unsigned int reg_idx = atoi(name + 3);
if (reg_idx >= FLOW_N_REGS) {
ovs_fatal(0, "only %d registers supported", FLOW_N_REGS);
}
parse_reg_value(&fm->cr, reg_idx, value);
} else {
ovs_fatal(0, "unknown keyword %s", name);
}
}
}
}
/* Convert 'str_' (as described in the Flow Syntax section of the ovs-ofctl man
* page) into 'fm' for sending the specified flow_mod 'command' to a switch.
* If 'actions' is specified, an action must be in 'string' and may be expanded
* or reallocated.
*
* To parse syntax for an OFPT_FLOW_MOD (or NXT_FLOW_MOD), use an OFPFC_*
* constant for 'command'. To parse syntax for an OFPST_FLOW or
* OFPST_AGGREGATE (or NXST_FLOW or NXST_AGGREGATE), use -1 for 'command'. */
void
parse_ofp_str(struct ofputil_flow_mod *fm, int command, const char *str_,
bool verbose)
{
enum {
F_OUT_PORT = 1 << 0,
F_ACTIONS = 1 << 1,
F_TIMEOUT = 1 << 3,
F_PRIORITY = 1 << 4
} fields;
char *string = xstrdup(str_);
char *save_ptr = NULL;
char *act_str = NULL;
char *name;
switch (command) {
case -1:
fields = F_OUT_PORT;
break;
case OFPFC_ADD:
fields = F_ACTIONS | F_TIMEOUT | F_PRIORITY;
break;
case OFPFC_DELETE:
fields = F_OUT_PORT;
break;
case OFPFC_DELETE_STRICT:
fields = F_OUT_PORT | F_PRIORITY;
break;
case OFPFC_MODIFY:
fields = F_ACTIONS;
break;
case OFPFC_MODIFY_STRICT:
fields = F_ACTIONS | F_PRIORITY;
break;
default:
NOT_REACHED();
}
cls_rule_init_catchall(&fm->cr, OFP_DEFAULT_PRIORITY);
fm->cookie = htonll(0);
fm->cookie_mask = htonll(0);
if (command == OFPFC_MODIFY || command == OFPFC_MODIFY_STRICT) {
/* For modify, by default, don't update the cookie. */
fm->new_cookie = htonll(UINT64_MAX);
} else{
fm->new_cookie = htonll(0);
}
fm->table_id = 0xff;
fm->command = command;
fm->idle_timeout = OFP_FLOW_PERMANENT;
fm->hard_timeout = OFP_FLOW_PERMANENT;
fm->buffer_id = UINT32_MAX;
fm->out_port = OFPP_NONE;
fm->flags = 0;
if (fields & F_ACTIONS) {
act_str = strstr(string, "action");
if (!act_str) {
ofp_fatal(str_, verbose, "must specify an action");
}
*act_str = '\0';
act_str = strchr(act_str + 1, '=');
if (!act_str) {
ofp_fatal(str_, verbose, "must specify an action");
}
act_str++;
}
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 (parse_protocol(name, &p)) {
cls_rule_set_dl_type(&fm->cr, htons(p->dl_type));
if (p->nw_proto) {
cls_rule_set_nw_proto(&fm->cr, p->nw_proto);
}
} else {
char *value;
value = strtok_r(NULL, ", \t\r\n", &save_ptr);
if (!value) {
ofp_fatal(str_, verbose, "field %s missing value", name);
}
if (!strcmp(name, "table")) {
fm->table_id = str_to_table_id(value);
} else if (!strcmp(name, "out_port")) {
fm->out_port = atoi(value);
} else if (fields & F_PRIORITY && !strcmp(name, "priority")) {
fm->cr.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->hard_timeout = str_to_u16(value, name);
} else if (!strcmp(name, "cookie")) {
char *mask = strchr(value, '/');
if (mask) {
/* A mask means we're searching for a cookie. */
if (command == OFPFC_ADD) {
ofp_fatal(str_, verbose, "flow additions cannot use "
"a cookie mask");
}
*mask = '\0';
fm->cookie = htonll(str_to_u64(value));
fm->cookie_mask = htonll(str_to_u64(mask+1));
} else {
/* No mask means that the cookie is being set. */
if (command != OFPFC_ADD && command != OFPFC_MODIFY
&& command != OFPFC_MODIFY_STRICT) {
ofp_fatal(str_, verbose, "cannot set cookie");
}
fm->new_cookie = htonll(str_to_u64(value));
}
} else if (mf_from_name(name)) {
parse_field(mf_from_name(name), value, &fm->cr);
} else if (!strcmp(name, "duration")
|| !strcmp(name, "n_packets")
|| !strcmp(name, "n_bytes")) {
/* Ignore these, so that users can feed the output of
* "ovs-ofctl dump-flows" back into commands that parse
* flows. */
} else {
ofp_fatal(str_, verbose, "unknown keyword %s", name);
}
}
}
if (!fm->cookie_mask && fm->new_cookie == htonll(UINT64_MAX)
&& (command == OFPFC_MODIFY || command == OFPFC_MODIFY_STRICT)) {
/* On modifies without a mask, we are supposed to add a flow if
* one does not exist. If a cookie wasn't been specified, use a
* default of zero. */
fm->new_cookie = htonll(0);
}
if (fields & F_ACTIONS) {
struct ofpbuf actions;
ofpbuf_init(&actions, sizeof(union ofp_action));
str_to_action(&fm->cr.flow, act_str, &actions);
fm->actions = ofpbuf_steal_data(&actions);
fm->n_actions = actions.size / sizeof(union ofp_action);
} else {
fm->actions = NULL;
fm->n_actions = 0;
}
free(string);
}
static void
parse_named_action(enum ofputil_action_code code, const struct flow *flow,
struct ofpbuf *b, char *arg)
{
struct ofp_action_dl_addr *oada;
struct ofp_action_vlan_pcp *oavp;
struct ofp_action_vlan_vid *oavv;
struct ofp_action_nw_addr *oana;
struct ofp_action_tp_port *oata;
switch (code) {
case OFPUTIL_OFPAT_OUTPUT:
parse_output(b, arg);
break;
case OFPUTIL_OFPAT_SET_VLAN_VID:
oavv = ofputil_put_OFPAT_SET_VLAN_VID(b);
oavv->vlan_vid = htons(str_to_u32(arg));
break;
case OFPUTIL_OFPAT_SET_VLAN_PCP:
oavp = ofputil_put_OFPAT_SET_VLAN_PCP(b);
oavp->vlan_pcp = str_to_u32(arg);
break;
case OFPUTIL_OFPAT_STRIP_VLAN:
ofputil_put_OFPAT_STRIP_VLAN(b);
break;
case OFPUTIL_OFPAT_SET_DL_SRC:
case OFPUTIL_OFPAT_SET_DL_DST:
oada = ofputil_put_action(code, b);
str_to_mac(arg, oada->dl_addr);
break;
case OFPUTIL_OFPAT_SET_NW_SRC:
case OFPUTIL_OFPAT_SET_NW_DST:
oana = ofputil_put_action(code, b);
str_to_ip(arg, &oana->nw_addr);
break;
case OFPUTIL_OFPAT_SET_NW_TOS:
ofputil_put_OFPAT_SET_NW_TOS(b)->nw_tos = str_to_u32(arg);
break;
case OFPUTIL_OFPAT_SET_TP_SRC:
case OFPUTIL_OFPAT_SET_TP_DST:
oata = ofputil_put_action(code, b);
oata->tp_port = htons(str_to_u32(arg));
break;
case OFPUTIL_OFPAT_ENQUEUE:
parse_enqueue(b, arg);
break;
case OFPUTIL_NXAST_RESUBMIT:
parse_resubmit(b, arg);
break;
case OFPUTIL_NXAST_SET_TUNNEL:
parse_set_tunnel(b, arg);
break;
case OFPUTIL_NXAST_SET_QUEUE:
ofputil_put_NXAST_SET_QUEUE(b)->queue_id = htonl(str_to_u32(arg));
break;
case OFPUTIL_NXAST_POP_QUEUE:
ofputil_put_NXAST_POP_QUEUE(b);
break;
case OFPUTIL_NXAST_REG_MOVE:
nxm_parse_reg_move(ofputil_put_NXAST_REG_MOVE(b), arg);
break;
case OFPUTIL_NXAST_REG_LOAD:
nxm_parse_reg_load(ofputil_put_NXAST_REG_LOAD(b), arg);
break;
case OFPUTIL_NXAST_NOTE:
parse_note(b, arg);
break;
case OFPUTIL_NXAST_SET_TUNNEL64:
ofputil_put_NXAST_SET_TUNNEL64(b)->tun_id = htonll(str_to_u64(arg));
break;
case OFPUTIL_NXAST_MULTIPATH:
multipath_parse(ofputil_put_NXAST_MULTIPATH(b), arg);
break;
case OFPUTIL_NXAST_AUTOPATH:
autopath_parse(ofputil_put_NXAST_AUTOPATH(b), arg);
break;
case OFPUTIL_NXAST_BUNDLE:
bundle_parse(b, arg);
break;
case OFPUTIL_NXAST_BUNDLE_LOAD:
bundle_parse_load(b, arg);
break;
case OFPUTIL_NXAST_RESUBMIT_TABLE:
case OFPUTIL_NXAST_OUTPUT_REG:
NOT_REACHED();
case OFPUTIL_NXAST_LEARN:
learn_parse(b, arg, flow);
break;
case OFPUTIL_NXAST_EXIT:
ofputil_put_NXAST_EXIT(b);
break;
}
}
