static bool str_to_ofpact__(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, 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 { ofp_port_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_action(const struct flow *flow, char *str, struct ofpbuf *b) { char *pos, *act, *arg; 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, b, arg); } else if (!strcasecmp(act, "drop")) { /* A drop action in OpenFlow occurs by just not setting * an action. */ 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"); } break; } else if (!strcasecmp(act, "CONTROLLER")) { struct ofp_action_output *oao; oao = put_output_action(b, OFPP_CONTROLLER); /* Unless a numeric argument is specified, we send the whole * packet to the controller. */ if (arg[0] && (strspn(arg, "0123456789") == strlen(arg))) { oao->max_len = htons(str_to_u32(arg)); } else { oao->max_len = htons(UINT16_MAX); } } else if (ofputil_port_from_string(act, &port)) { put_output_action(b, port); } else { ovs_fatal(0, "Unknown action: %s", act); } n_actions++; } }