*usable_protocols = OFPUTIL_P_ANY;
+ if (command == -2) {
+ size_t len;
+
+ string += strspn(string, " \t\r\n"); /* Skip white space. */
+ len = strcspn(string, ", \t\r\n"); /* Get length of the first token. */
+
+ if (!strncmp(string, "add", len)) {
+ command = OFPFC_ADD;
+ } else if (!strncmp(string, "delete", len)) {
+ command = OFPFC_DELETE;
+ } else if (!strncmp(string, "delete_strict", len)) {
+ command = OFPFC_DELETE_STRICT;
+ } else if (!strncmp(string, "modify", len)) {
+ command = OFPFC_MODIFY;
+ } else if (!strncmp(string, "modify_strict", len)) {
+ command = OFPFC_MODIFY_STRICT;
+ } else {
+ len = 0;
+ command = OFPFC_ADD;
+ }
+ string += len;
+ }
+
switch (command) {
case -1:
fields = F_OUT_PORT;
if (fm->table_id != 0xff) {
*usable_protocols &= OFPUTIL_P_TID;
}
- } else if (!strcmp(name, "out_port")) {
+ } else if (fields & F_OUT_PORT && !strcmp(name, "out_port")) {
if (!ofputil_port_from_string(value, &fm->out_port)) {
error = xasprintf("%s is not a valid OpenFlow port",
value);
if (!error) {
enum ofperr err;
- err = ofpacts_check(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &fm->match.flow,
+ err = ofpacts_check(ofpacts.data, ofpacts.size, &fm->match.flow,
OFPP_MAX, fm->table_id, 255, usable_protocols);
if (!err && !usable_protocols) {
err = OFPERR_OFPBAC_MATCH_INCONSISTENT;
return error;
}
- fm->ofpacts_len = ofpbuf_size(&ofpacts);
+ fm->ofpacts_len = ofpacts.size;
fm->ofpacts = ofpbuf_steal_data(&ofpacts);
} else {
fm->ofpacts_len = 0;
* constant for 'command'. To parse syntax for an OFPST_FLOW or
* OFPST_AGGREGATE (or NXST_FLOW or NXST_AGGREGATE), use -1 for 'command'.
*
+ * If 'command' is given as -2, 'str_' may begin with a command name ("add",
+ * "modify", "delete", "modify_strict", or "delete_strict"). A missing command
+ * name is treated as "add".
+ *
* 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
/* Parses 'string' as an OFPT_FLOW_MOD or NXT_FLOW_MOD with command 'command'
* (one of OFPFC_*) into 'fm'.
*
+ * If 'command' is given as -2, 'string' may begin with a command name ("add",
+ * "modify", "delete", "modify_strict", or "delete_strict"). A missing command
+ * name is treated as "add".
+ *
* 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
parse_ofp_flow_mod_str(struct ofputil_flow_mod *fm, const char *string,
- uint16_t command,
+ int command,
enum ofputil_protocol *usable_protocols)
{
char *error = parse_ofp_str(fm, command, string, usable_protocols);
+
if (!error) {
/* 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
* type (one of OFPFC_*). Stores each flow_mod in '*fm', an array allocated
* on the caller's behalf, and the number of flow_mods in '*n_fms'.
*
+ * If 'command' is given as -2, each line may start with a command name
+ * ("add", "modify", "delete", "modify_strict", or "delete_strict"). A missing
+ * command name is treated as "add".
+ *
* 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
-parse_ofp_flow_mod_file(const char *file_name, uint16_t command,
+parse_ofp_flow_mod_file(const char *file_name, int command,
struct ofputil_flow_mod **fms, size_t *n_fms,
enum ofputil_protocol *usable_protocols)
{
ofpbuf_uninit(&ofpacts);
return error;
}
- bucket->ofpacts = ofpbuf_data(&ofpacts);
- bucket->ofpacts_len = ofpbuf_size(&ofpacts);
+ bucket->ofpacts = ofpacts.data;
+ bucket->ofpacts_len = ofpacts.size;
+
+ return NULL;
+}
+
+static char * OVS_WARN_UNUSED_RESULT
+parse_select_group_field(char *s, struct field_array *fa,
+ enum ofputil_protocol *usable_protocols)
+{
+ char *save_ptr = NULL;
+ char *name;
+
+ for (name = strtok_r(s, "=, \t\r\n", &save_ptr); name;
+ name = strtok_r(NULL, "=, \t\r\n", &save_ptr)) {
+ const struct mf_field *mf = mf_from_name(name);
+
+ if (mf) {
+ char *error;
+ const char *value_str;
+ union mf_value value;
+
+ if (bitmap_is_set(fa->used.bm, mf->id)) {
+ return xasprintf("%s: duplicate field", name);
+ }
+
+ value_str = strtok_r(NULL, ", \t\r\n", &save_ptr);
+ if (value_str) {
+ error = mf_parse_value(mf, value_str, &value);
+ if (error) {
+ return error;
+ }
+
+ /* The mask cannot be all-zeros */
+ if (is_all_zeros(&value, mf->n_bytes)) {
+ return xasprintf("%s: values are wildcards here "
+ "and must not be all-zeros", s);
+ }
+
+ /* The values parsed are masks for fields used
+ * by the selection method */
+ if (!mf_is_mask_valid(mf, &value)) {
+ return xasprintf("%s: invalid mask for field %s",
+ value_str, mf->name);
+ }
+ } else {
+ memset(&value, 0xff, mf->n_bytes);
+ }
+
+ field_array_set(mf->id, &value, fa);
+
+ if (is_all_ones(&value, mf->n_bytes)) {
+ *usable_protocols &= mf->usable_protocols_exact;
+ } else if (mf->usable_protocols_bitwise == mf->usable_protocols_cidr
+ || ip_is_cidr(value.be32)) {
+ *usable_protocols &= mf->usable_protocols_cidr;
+ } else {
+ *usable_protocols &= mf->usable_protocols_bitwise;
+ }
+ } else {
+ return xasprintf("%s: unknown field %s", s, name);
+ }
+ }
return NULL;
}
} else if (!strcmp(value, "last")) {
gm->command_bucket_id = OFPG15_BUCKET_LAST;
} else {
- char *error = str_to_u32(value, &gm->command_bucket_id);
+ error = str_to_u32(value, &gm->command_bucket_id);
if (error) {
goto out;
}
if(!strcmp(value, "all")) {
gm->group_id = OFPG_ALL;
} else {
- char *error = str_to_u32(value, &gm->group_id);
+ error = str_to_u32(value, &gm->group_id);
if (error) {
goto out;
}
} else if (!strcmp(name, "bucket")) {
error = xstrdup("bucket is not needed");
goto out;
+ } else if (!strcmp(name, "selection_method")) {
+ if (!(fields & F_GROUP_TYPE)) {
+ error = xstrdup("selection method is not needed");
+ goto out;
+ }
+ if (strlen(value) >= NTR_MAX_SELECTION_METHOD_LEN) {
+ error = xasprintf("selection method is longer than %u"
+ " bytes long",
+ NTR_MAX_SELECTION_METHOD_LEN - 1);
+ goto out;
+ }
+ memset(gm->props.selection_method, '\0',
+ NTR_MAX_SELECTION_METHOD_LEN);
+ strcpy(gm->props.selection_method, value);
+ *usable_protocols &= OFPUTIL_P_OF15_UP;
+ } else if (!strcmp(name, "selection_method_param")) {
+ if (!(fields & F_GROUP_TYPE)) {
+ error = xstrdup("selection method param is not needed");
+ goto out;
+ }
+ error = str_to_u64(value, &gm->props.selection_method_param);
+ if (error) {
+ goto out;
+ }
+ *usable_protocols &= OFPUTIL_P_OF15_UP;
+ } else if (!strcmp(name, "fields")) {
+ if (!(fields & F_GROUP_TYPE)) {
+ error = xstrdup("fields are not needed");
+ goto out;
+ }
+ error = parse_select_group_field(value, &gm->props.fields,
+ usable_protocols);
+ if (error) {
+ goto out;
+ }
+ *usable_protocols &= OFPUTIL_P_OF15_UP;
} else {
error = xasprintf("unknown keyword %s", name);
goto out;
projects / cascardo / ovs.git / blobdiff