101 	void (*modfunc[MAX_MODFUNCTIONS])(struct can_frame *cf,
110 		void (*xor)(struct can_frame *cf, struct cgw_csum_xor *xor);
111 		void (*crc8)(struct can_frame *cf, struct cgw_csum_crc8 *crc8);
156 #define MODFUNC(func, op) static void func(struct can_frame *cf, \
159 MODFUNC(mod_and_id, cf->can_id &= mod->modframe.and.can_id)
160 MODFUNC(mod_and_dlc, cf->can_dlc &= mod->modframe.and.can_dlc)
161 MODFUNC(mod_and_data, *(u64 *)cf->data &= *(u64 *)mod->modframe.and.data)
162 MODFUNC(mod_or_id, cf->can_id |= mod->modframe.or.can_id)
163 MODFUNC(mod_or_dlc, cf->can_dlc |= mod->modframe.or.can_dlc)
164 MODFUNC(mod_or_data, *(u64 *)cf->data |= *(u64 *)mod->modframe.or.data)
165 MODFUNC(mod_xor_id, cf->can_id ^= mod->modframe.xor.can_id)
166 MODFUNC(mod_xor_dlc, cf->can_dlc ^= mod->modframe.xor.can_dlc)
167 MODFUNC(mod_xor_data, *(u64 *)cf->data ^= *(u64 *)mod->modframe.xor.data)
168 MODFUNC(mod_set_id, cf->can_id = mod->modframe.set.can_id)
169 MODFUNC(mod_set_dlc, cf->can_dlc = mod->modframe.set.can_dlc)
170 MODFUNC(mod_set_data, *(u64 *)cf->data = *(u64 *)mod->modframe.set.data)
212 static void cgw_csum_xor_rel(struct can_frame *cf, struct cgw_csum_xor *xor)  in cgw_csum_xor_rel()  argument
214 	int from = calc_idx(xor->from_idx, cf->can_dlc);  in cgw_csum_xor_rel()
215 	int to = calc_idx(xor->to_idx, cf->can_dlc);  in cgw_csum_xor_rel()
216 	int res = calc_idx(xor->result_idx, cf->can_dlc);  in cgw_csum_xor_rel()
225 			val ^= cf->data[i];  in cgw_csum_xor_rel()
228 			val ^= cf->data[i];  in cgw_csum_xor_rel()
231 	cf->data[res] = val;  in cgw_csum_xor_rel()
234 static void cgw_csum_xor_pos(struct can_frame *cf, struct cgw_csum_xor *xor)  in cgw_csum_xor_pos()  argument
240 		val ^= cf->data[i];  in cgw_csum_xor_pos()
242 	cf->data[xor->result_idx] = val;  in cgw_csum_xor_pos()
245 static void cgw_csum_xor_neg(struct can_frame *cf, struct cgw_csum_xor *xor)  in cgw_csum_xor_neg()  argument
251 		val ^= cf->data[i];  in cgw_csum_xor_neg()
253 	cf->data[xor->result_idx] = val;  in cgw_csum_xor_neg()
256 static void cgw_csum_crc8_rel(struct can_frame *cf, struct cgw_csum_crc8 *crc8)  in cgw_csum_crc8_rel()  argument
258 	int from = calc_idx(crc8->from_idx, cf->can_dlc);  in cgw_csum_crc8_rel()
259 	int to = calc_idx(crc8->to_idx, cf->can_dlc);  in cgw_csum_crc8_rel()
260 	int res = calc_idx(crc8->result_idx, cf->can_dlc);  in cgw_csum_crc8_rel()
269 			crc = crc8->crctab[crc^cf->data[i]];  in cgw_csum_crc8_rel()
272 			crc = crc8->crctab[crc^cf->data[i]];  in cgw_csum_crc8_rel()
282 		crc = crc8->crctab[crc^crc8->profile_data[cf->data[1] & 0xF]];  in cgw_csum_crc8_rel()
286 		crc = crc8->crctab[crc^(cf->can_id & 0xFF)^  in cgw_csum_crc8_rel()
287 				   (cf->can_id >> 8 & 0xFF)];  in cgw_csum_crc8_rel()
292 	cf->data[crc8->result_idx] = crc^crc8->final_xor_val;  in cgw_csum_crc8_rel()
295 static void cgw_csum_crc8_pos(struct can_frame *cf, struct cgw_csum_crc8 *crc8)  in cgw_csum_crc8_pos()  argument
301 		crc = crc8->crctab[crc^cf->data[i]];  in cgw_csum_crc8_pos()
310 		crc = crc8->crctab[crc^crc8->profile_data[cf->data[1] & 0xF]];  in cgw_csum_crc8_pos()
314 		crc = crc8->crctab[crc^(cf->can_id & 0xFF)^  in cgw_csum_crc8_pos()
315 				   (cf->can_id >> 8 & 0xFF)];  in cgw_csum_crc8_pos()
319 	cf->data[crc8->result_idx] = crc^crc8->final_xor_val;  in cgw_csum_crc8_pos()
322 static void cgw_csum_crc8_neg(struct can_frame *cf, struct cgw_csum_crc8 *crc8)  in cgw_csum_crc8_neg()  argument
328 		crc = crc8->crctab[crc^cf->data[i]];  in cgw_csum_crc8_neg()
337 		crc = crc8->crctab[crc^crc8->profile_data[cf->data[1] & 0xF]];  in cgw_csum_crc8_neg()
341 		crc = crc8->crctab[crc^(cf->can_id & 0xFF)^  in cgw_csum_crc8_neg()
342 				   (cf->can_id >> 8 & 0xFF)];  in cgw_csum_crc8_neg()
346 	cf->data[crc8->result_idx] = crc^crc8->final_xor_val;  in cgw_csum_crc8_neg()
353 	struct can_frame *cf;  in can_can_gw_rcv()  local
415 	cf = (struct can_frame *)nskb->data;  in can_can_gw_rcv()
419 		(*gwj->mod.modfunc[modidx++])(cf, &gwj->mod);  in can_can_gw_rcv()
424 			(*gwj->mod.csumfunc.crc8)(cf, &gwj->mod.csum.crc8);  in can_can_gw_rcv()
427 			(*gwj->mod.csumfunc.xor)(cf, &gwj->mod.csum.xor);  in can_can_gw_rcv()
525 		memcpy(&mb.cf, &gwj->mod.modframe.and, sizeof(mb.cf));  in cgw_put_job()
532 		memcpy(&mb.cf, &gwj->mod.modframe.or, sizeof(mb.cf));  in cgw_put_job()
539 		memcpy(&mb.cf, &gwj->mod.modframe.xor, sizeof(mb.cf));  in cgw_put_job()
546 		memcpy(&mb.cf, &gwj->mod.modframe.set, sizeof(mb.cf));  in cgw_put_job()
660 		canframecpy(&mod->modframe.and, &mb.cf);  in cgw_parse_attr()
676 		canframecpy(&mod->modframe.or, &mb.cf);  in cgw_parse_attr()
692 		canframecpy(&mod->modframe.xor, &mb.cf);  in cgw_parse_attr()
708 		canframecpy(&mod->modframe.set, &mb.cf);  in cgw_parse_attr()