/*
 * Copyright (c) 2019 AVM GmbH <info@avm.de>.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef __OFFLOAD__PCE_BROKER_H__
#define __OFFLOAD__PCE_BROKER_H__

enum pce_idx_range {
	PCE_RANGE_LAN_SHARED = 0,
	PCE_RANGE_DYNAMIC,
	PCE_RANGE_FIXED
};

#define PCE_IDX_ERR(idx) ((idx) < 0)
int pce_idx_alloc(enum pce_idx_range range);
bool pce_idx_request(int idx);
void pce_idx_free(int idx);

#define PCE_TABLE_SIZE 512
#define PCE_TABLE_LAN_SIZE 64

enum pce_rule_idx {
	PCE_RULE_IDX_LAN_SHARED = 0,
	/* ... Fixed and dynamic indices usable on both switches ... */
	PCE_RULE_IDX_LAN_SHARED_LAST = PCE_TABLE_LAN_SIZE - 1,
	PCE_RULE_IDX_LAN_SHARED_CATCHALL = PCE_RULE_IDX_LAN_SHARED_LAST,

	PCE_RULE_IDX_DYNAMIC,
	/* ... Dynamic indices for GSWIP-R ... */
	PCE_RULE_IDX_DYNAMIC_LAST = (PCE_TABLE_SIZE / 2) - 1,

	PCE_RULE_IDX_FIXED,
	/* ... Fixed rules for GSWIP-R ... */
	PCE_RULE_IDX_LRO_EXCEPTION = PCE_RULE_IDX_FIXED,
	PCE_RULE_IDX_LRO_EXCEPTION_LAST = PCE_RULE_IDX_LRO_EXCEPTION + 15,
	PCE_RULE_IDX_ROUTEEXT_TCP,
	PCE_RULE_IDX_ROUTEEXT_UDP,
	/* add static rules above */

	PCE_RULE_IDX_LAST = PCE_TABLE_SIZE - 1,
	PCE_RULE_IDX_FIXED_LAST = PCE_RULE_IDX_LAST
};

/* #include "../ethernet/lantiq/switch-api/gsw_flow_core.h" */
enum { FLAG_NO = 0,
       FLAG_END,
       FLAG_CAPWAP,
       FLAG_GRE,
       FLAG_LEN,
       FLAG_GREK,
       FLAG_NN1,
       FLAG_NN2,
       FLAG_ITAG,
       FLAG_1VLAN,
       FLAG_2VLAN, /* 10 */
       FLAG_3VLAN,
       FLAG_4VLAN,
       FLAG_SNAP,
       FLAG_PPPOES,
       FLAG_1IPV4,
       FLAG_1IPV6,
       FLAG_2IPV4,
       FLAG_2IPV6,
       FLAG_ROUTEXP,
       FLAG_TCP, /* 20 */
       FLAG_1UDP,
       FLAG_IGMP,
       FLAG_IPV4OPT,
       FLAG_1IPV6EXT,
       FLAG_TCPACK,
       FLAG_IPFRAG,
       FLAG_EAPOL,
       FLAG_2IPV6EXT,
       FLAG_2UDP,
       FLAG_L2TPNEXP, /* 30 */
       FLAG_LROEXP,
       FLAG_L2TP,
       FLAG_GRE_VLAN1,
       FLAG_GRE_VLAN2,
       FLAG_GRE_PPPOE,
       FLAG_NN13,
       FLAG_NN14,
       FLAG_NN15,
       FLAG_NN16,
       FLAG_NN17, /* 40 */
       FLAG_NN18,
       FLAG_NN19,
       FLAG_NN20,
       FLAG_NN21,
       FLAG_NN22,
       FLAG_NN23,
       FLAG_NN24,
       FLAG_NN25,
       FLAG_NN26,
       FLAG_NN27, /* 50 */
       FLAG_NN28,
       FLAG_NN29,
       FLAG_NN30,
       FLAG_NN31,
       FLAG_NN32,
       FLAG_NN33,
       FLAG_NN34,
       FLAG_NN35,
       FLAG_NN36,
       FLAG_NN37, /* 60 */
       FLAG_NN38,
       FLAG_NN39,
       FLAG_NN40,
};

#endif // __OFFLOAD__PCE_BROKER_H__