30 /* ALE Registers */
41 /* ALE NetCP NU switch specific Registers */
56  * struct ale_entry_fld - The ALE tbl entry field description
75  * struct cpsw_ale_dev_id - The ALE version/SoC specific configuration
76  * @dev_id: ALE version/SoC id
77  * @features: features supported by ALE
78  * @tbl_entries: number of ALE entries
79  * @major_ver_mask: mask of ALE Major Version Value in ALE_IDVER reg.
80  * @nu_switch_ale: NU Switch ALE
81  * @vlan_entry_tbl: ALE vlan entry fields description tbl
217 static int cpsw_ale_entry_get_fld(struct cpsw_ale *ale,  in cpsw_ale_entry_get_fld()  argument
225 	if (!ale || !ale_entry)  in cpsw_ale_entry_get_fld()
230 		dev_err(ale->params.dev, "get: wrong ale fld id %d\n", fld_id);  in cpsw_ale_entry_get_fld()
236 		bits = ale->port_mask_bits;  in cpsw_ale_entry_get_fld()
241 static void cpsw_ale_entry_set_fld(struct cpsw_ale *ale,  in cpsw_ale_entry_set_fld()  argument
250 	if (!ale || !ale_entry)  in cpsw_ale_entry_set_fld()
255 		dev_err(ale->params.dev, "set: wrong ale fld id %d\n", fld_id);  in cpsw_ale_entry_set_fld()
261 		bits = ale->port_mask_bits;  in cpsw_ale_entry_set_fld()
266 static int cpsw_ale_vlan_get_fld(struct cpsw_ale *ale,  in cpsw_ale_vlan_get_fld()  argument
270 	return cpsw_ale_entry_get_fld(ale, ale_entry,  in cpsw_ale_vlan_get_fld()
271 				      ale->vlan_entry_tbl, fld_id);  in cpsw_ale_vlan_get_fld()
274 static void cpsw_ale_vlan_set_fld(struct cpsw_ale *ale,  in cpsw_ale_vlan_set_fld()  argument
279 	cpsw_ale_entry_set_fld(ale, ale_entry,  in cpsw_ale_vlan_set_fld()
280 			       ale->vlan_entry_tbl, fld_id, value);  in cpsw_ale_vlan_set_fld()
283 /* The MAC address field in the ALE entry cannot be macroized as above */
300 static int cpsw_ale_read(struct cpsw_ale *ale, int idx, u32 *ale_entry)  in cpsw_ale_read()  argument
304 	WARN_ON(idx > ale->params.ale_entries);  in cpsw_ale_read()
306 	writel_relaxed(idx, ale->params.ale_regs + ALE_TABLE_CONTROL);  in cpsw_ale_read()
309 		ale_entry[i] = readl_relaxed(ale->params.ale_regs +  in cpsw_ale_read()
315 static int cpsw_ale_write(struct cpsw_ale *ale, int idx, u32 *ale_entry)  in cpsw_ale_write()  argument
319 	WARN_ON(idx > ale->params.ale_entries);  in cpsw_ale_write()
322 		writel_relaxed(ale_entry[i], ale->params.ale_regs +  in cpsw_ale_write()
325 	writel_relaxed(idx | ALE_TABLE_WRITE, ale->params.ale_regs +  in cpsw_ale_write()
331 static int cpsw_ale_match_addr(struct cpsw_ale *ale, const u8 *addr, u16 vid)  in cpsw_ale_match_addr()  argument
336 	for (idx = 0; idx < ale->params.ale_entries; idx++) {  in cpsw_ale_match_addr()
339 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_match_addr()
352 static int cpsw_ale_match_vlan(struct cpsw_ale *ale, u16 vid)  in cpsw_ale_match_vlan()  argument
357 	for (idx = 0; idx < ale->params.ale_entries; idx++) {  in cpsw_ale_match_vlan()
358 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_match_vlan()
368 static int cpsw_ale_match_free(struct cpsw_ale *ale)  in cpsw_ale_match_free()  argument
373 	for (idx = 0; idx < ale->params.ale_entries; idx++) {  in cpsw_ale_match_free()
374 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_match_free()
382 static int cpsw_ale_find_ageable(struct cpsw_ale *ale)  in cpsw_ale_find_ageable()  argument
387 	for (idx = 0; idx < ale->params.ale_entries; idx++) {  in cpsw_ale_find_ageable()
388 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_find_ageable()
402 static void cpsw_ale_flush_mcast(struct cpsw_ale *ale, u32 *ale_entry,  in cpsw_ale_flush_mcast()  argument
408 				      ale->port_mask_bits);  in cpsw_ale_flush_mcast()
416 				       ale->port_mask_bits);  in cpsw_ale_flush_mcast()
421 int cpsw_ale_flush_multicast(struct cpsw_ale *ale, int port_mask, int vid)  in cpsw_ale_flush_multicast()  argument
426 	for (idx = 0; idx < ale->params.ale_entries; idx++) {  in cpsw_ale_flush_multicast()
427 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_flush_multicast()
448 				cpsw_ale_flush_mcast(ale, ale_entry, port_mask);  in cpsw_ale_flush_multicast()
451 		cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_flush_multicast()
467 int cpsw_ale_add_ucast(struct cpsw_ale *ale, const u8 *addr, int port,  in cpsw_ale_add_ucast()  argument
479 	cpsw_ale_set_port_num(ale_entry, port, ale->port_num_bits);  in cpsw_ale_add_ucast()
481 	idx = cpsw_ale_match_addr(ale, addr, (flags & ALE_VLAN) ? vid : 0);  in cpsw_ale_add_ucast()
483 		idx = cpsw_ale_match_free(ale);  in cpsw_ale_add_ucast()
485 		idx = cpsw_ale_find_ageable(ale);  in cpsw_ale_add_ucast()
489 	cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_add_ucast()
493 int cpsw_ale_del_ucast(struct cpsw_ale *ale, const u8 *addr, int port,  in cpsw_ale_del_ucast()  argument
499 	idx = cpsw_ale_match_addr(ale, addr, (flags & ALE_VLAN) ? vid : 0);  in cpsw_ale_del_ucast()
504 	cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_del_ucast()
508 int cpsw_ale_add_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,  in cpsw_ale_add_mcast()  argument
514 	idx = cpsw_ale_match_addr(ale, addr, (flags & ALE_VLAN) ? vid : 0);  in cpsw_ale_add_mcast()
516 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_add_mcast()
525 				      ale->port_mask_bits);  in cpsw_ale_add_mcast()
528 			       ale->port_mask_bits);  in cpsw_ale_add_mcast()
531 		idx = cpsw_ale_match_free(ale);  in cpsw_ale_add_mcast()
533 		idx = cpsw_ale_find_ageable(ale);  in cpsw_ale_add_mcast()
537 	cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_add_mcast()
541 int cpsw_ale_del_mcast(struct cpsw_ale *ale, const u8 *addr, int port_mask,  in cpsw_ale_del_mcast()  argument
548 	idx = cpsw_ale_match_addr(ale, addr, (flags & ALE_VLAN) ? vid : 0);  in cpsw_ale_del_mcast()
552 	cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_del_mcast()
556 						       ale->port_mask_bits);  in cpsw_ale_del_mcast()
562 				       ale->port_mask_bits);  in cpsw_ale_del_mcast()
566 	cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_del_mcast()
570 /* ALE NetCP NU switch specific vlan functions */
571 static void cpsw_ale_set_vlan_mcast(struct cpsw_ale *ale, u32 *ale_entry,  in cpsw_ale_set_vlan_mcast()  argument
577 	idx = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_set_vlan_mcast()
579 	writel(reg_mcast, ale->params.ale_regs + ALE_VLAN_MASK_MUX(idx));  in cpsw_ale_set_vlan_mcast()
582 	idx = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_set_vlan_mcast()
584 	writel(unreg_mcast, ale->params.ale_regs + ALE_VLAN_MASK_MUX(idx));  in cpsw_ale_set_vlan_mcast()
587 static void cpsw_ale_set_vlan_untag(struct cpsw_ale *ale, u32 *ale_entry,  in cpsw_ale_set_vlan_untag()  argument
590 	cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_set_vlan_untag()
594 		bitmap_set(ale->p0_untag_vid_mask, vid, 1);  in cpsw_ale_set_vlan_untag()
596 		bitmap_clear(ale->p0_untag_vid_mask, vid, 1);  in cpsw_ale_set_vlan_untag()
599 int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port_mask, int untag,  in cpsw_ale_add_vlan()  argument
605 	idx = cpsw_ale_match_vlan(ale, vid);  in cpsw_ale_add_vlan()
607 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_add_vlan()
611 	cpsw_ale_set_vlan_untag(ale, ale_entry, vid, untag);  in cpsw_ale_add_vlan()
613 	if (!ale->params.nu_switch_ale) {  in cpsw_ale_add_vlan()
614 		cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_add_vlan()
616 		cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_add_vlan()
619 		cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_add_vlan()
622 		cpsw_ale_set_vlan_mcast(ale, ale_entry, reg_mcast, unreg_mcast);  in cpsw_ale_add_vlan()
625 	cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_add_vlan()
629 		idx = cpsw_ale_match_free(ale);  in cpsw_ale_add_vlan()
631 		idx = cpsw_ale_find_ageable(ale);  in cpsw_ale_add_vlan()
635 	cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_add_vlan()
639 static void cpsw_ale_vlan_del_modify_int(struct cpsw_ale *ale,  u32 *ale_entry,  in cpsw_ale_vlan_del_modify_int()  argument
645 	members = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_del_modify_int()
649 		cpsw_ale_set_vlan_untag(ale, ale_entry, vid, 0);  in cpsw_ale_vlan_del_modify_int()
654 	untag = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_del_modify_int()
656 	reg_mcast = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_del_modify_int()
658 	unreg_mcast = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_del_modify_int()
664 	cpsw_ale_set_vlan_untag(ale, ale_entry, vid, untag);  in cpsw_ale_vlan_del_modify_int()
666 	if (!ale->params.nu_switch_ale) {  in cpsw_ale_vlan_del_modify_int()
667 		cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_vlan_del_modify_int()
669 		cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_vlan_del_modify_int()
672 		cpsw_ale_set_vlan_mcast(ale, ale_entry, reg_mcast,  in cpsw_ale_vlan_del_modify_int()
675 	cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_vlan_del_modify_int()
679 int cpsw_ale_vlan_del_modify(struct cpsw_ale *ale, u16 vid, int port_mask)  in cpsw_ale_vlan_del_modify()  argument
684 	idx = cpsw_ale_match_vlan(ale, vid);  in cpsw_ale_vlan_del_modify()
688 	cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_vlan_del_modify()
690 	cpsw_ale_vlan_del_modify_int(ale, ale_entry, vid, port_mask);  in cpsw_ale_vlan_del_modify()
691 	cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_vlan_del_modify()
696 int cpsw_ale_del_vlan(struct cpsw_ale *ale, u16 vid, int port_mask)  in cpsw_ale_del_vlan()  argument
701 	idx = cpsw_ale_match_vlan(ale, vid);  in cpsw_ale_del_vlan()
705 	cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_del_vlan()
711 	 * remove port_mask ports from VLAN ALE entry excluding Host port.  in cpsw_ale_del_vlan()
713 	members = cpsw_ale_vlan_get_fld(ale, ale_entry, ALE_ENT_VID_MEMBER_LIST);  in cpsw_ale_del_vlan()
718 		cpsw_ale_set_vlan_untag(ale, ale_entry, vid, 0);  in cpsw_ale_del_vlan()
722 		cpsw_ale_vlan_del_modify_int(ale, ale_entry, vid, port_mask);  in cpsw_ale_del_vlan()
725 	cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_del_vlan()
730 int cpsw_ale_vlan_add_modify(struct cpsw_ale *ale, u16 vid, int port_mask,  in cpsw_ale_vlan_add_modify()  argument
738 	idx = cpsw_ale_match_vlan(ale, vid);  in cpsw_ale_vlan_add_modify()
740 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_vlan_add_modify()
742 	vlan_members = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_add_modify()
744 	reg_mcast_members = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_add_modify()
747 		cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_add_modify()
749 	untag_members = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_add_modify()
757 	ret = cpsw_ale_add_vlan(ale, vid, vlan_members, untag_members,  in cpsw_ale_vlan_add_modify()
760 		dev_err(ale->params.dev, "Unable to add vlan\n");  in cpsw_ale_vlan_add_modify()
763 	dev_dbg(ale->params.dev, "port mask 0x%x untag 0x%x\n", vlan_members,  in cpsw_ale_vlan_add_modify()
769 void cpsw_ale_set_unreg_mcast(struct cpsw_ale *ale, int unreg_mcast_mask,  in cpsw_ale_set_unreg_mcast()  argument
776 	for (idx = 0; idx < ale->params.ale_entries; idx++) {  in cpsw_ale_set_unreg_mcast()
777 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_set_unreg_mcast()
783 			cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_set_unreg_mcast()
789 		cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_set_unreg_mcast()
792 		cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_set_unreg_mcast()
796 static void cpsw_ale_vlan_set_unreg_mcast(struct cpsw_ale *ale, u32 *ale_entry,  in cpsw_ale_vlan_set_unreg_mcast()  argument
801 	unreg_mcast = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_set_unreg_mcast()
808 	cpsw_ale_vlan_set_fld(ale, ale_entry,  in cpsw_ale_vlan_set_unreg_mcast()
813 cpsw_ale_vlan_set_unreg_mcast_idx(struct cpsw_ale *ale, u32 *ale_entry,  in cpsw_ale_vlan_set_unreg_mcast_idx()  argument
819 	idx = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_vlan_set_unreg_mcast_idx()
822 	unreg_mcast = readl(ale->params.ale_regs + ALE_VLAN_MASK_MUX(idx));  in cpsw_ale_vlan_set_unreg_mcast_idx()
829 	writel(unreg_mcast, ale->params.ale_regs + ALE_VLAN_MASK_MUX(idx));  in cpsw_ale_vlan_set_unreg_mcast_idx()
832 void cpsw_ale_set_allmulti(struct cpsw_ale *ale, int allmulti, int port)  in cpsw_ale_set_allmulti()  argument
837 	for (idx = 0; idx < ale->params.ale_entries; idx++) {  in cpsw_ale_set_allmulti()
840 		cpsw_ale_read(ale, idx, ale_entry);  in cpsw_ale_set_allmulti()
845 		vlan_members = cpsw_ale_vlan_get_fld(ale, ale_entry,  in cpsw_ale_set_allmulti()
851 		if (!ale->params.nu_switch_ale)  in cpsw_ale_set_allmulti()
852 			cpsw_ale_vlan_set_unreg_mcast(ale, ale_entry, allmulti);  in cpsw_ale_set_allmulti()
854 			cpsw_ale_vlan_set_unreg_mcast_idx(ale, ale_entry,  in cpsw_ale_set_allmulti()
857 		cpsw_ale_write(ale, idx, ale_entry);  in cpsw_ale_set_allmulti()
1087 int cpsw_ale_control_set(struct cpsw_ale *ale, int port, int control,  in cpsw_ale_control_set()  argument
1101 	if (port < 0 || port >= ale->params.ale_ports)  in cpsw_ale_control_set()
1111 	tmp = readl_relaxed(ale->params.ale_regs + offset);  in cpsw_ale_control_set()
1113 	writel_relaxed(tmp, ale->params.ale_regs + offset);  in cpsw_ale_control_set()
1118 int cpsw_ale_control_get(struct cpsw_ale *ale, int port, int control)  in cpsw_ale_control_get()  argument
1131 	if (port < 0 || port >= ale->params.ale_ports)  in cpsw_ale_control_get()
1137 	tmp = readl_relaxed(ale->params.ale_regs + offset) >> shift;  in cpsw_ale_control_get()
1141 int cpsw_ale_rx_ratelimit_mc(struct cpsw_ale *ale, int port, unsigned int ratelimit_pps)  in cpsw_ale_rx_ratelimit_mc()  argument
1148 		dev_err(ale->params.dev, "ALE MC port:%d ratelimit min value 1000pps\n", port);  in cpsw_ale_rx_ratelimit_mc()
1153 		dev_info(ale->params.dev, "ALE port:%d MC ratelimit set to %dpps (requested %d)\n",  in cpsw_ale_rx_ratelimit_mc()
1156 	cpsw_ale_control_set(ale, port, ALE_PORT_MCAST_LIMIT, val);  in cpsw_ale_rx_ratelimit_mc()
1158 	dev_dbg(ale->params.dev, "ALE port:%d MC ratelimit set %d\n",  in cpsw_ale_rx_ratelimit_mc()
1163 int cpsw_ale_rx_ratelimit_bc(struct cpsw_ale *ale, int port, unsigned int ratelimit_pps)  in cpsw_ale_rx_ratelimit_bc()  argument
1170 		dev_err(ale->params.dev, "ALE port:%d BC ratelimit min value 1000pps\n", port);  in cpsw_ale_rx_ratelimit_bc()
1175 		dev_info(ale->params.dev, "ALE port:%d BC ratelimit set to %dpps (requested %d)\n",  in cpsw_ale_rx_ratelimit_bc()
1178 	cpsw_ale_control_set(ale, port, ALE_PORT_BCAST_LIMIT, val);  in cpsw_ale_rx_ratelimit_bc()
1180 	dev_dbg(ale->params.dev, "ALE port:%d BC ratelimit set %d\n",  in cpsw_ale_rx_ratelimit_bc()
1187 	struct cpsw_ale *ale = from_timer(ale, t, timer);  in cpsw_ale_timer()  local
1189 	cpsw_ale_control_set(ale, 0, ALE_AGEOUT, 1);  in cpsw_ale_timer()
1191 	if (ale->ageout) {  in cpsw_ale_timer()
1192 		ale->timer.expires = jiffies + ale->ageout;  in cpsw_ale_timer()
1193 		add_timer(&ale->timer);  in cpsw_ale_timer()
1197 static void cpsw_ale_hw_aging_timer_start(struct cpsw_ale *ale)  in cpsw_ale_hw_aging_timer_start()  argument
1201 	aging_timer = ale->params.bus_freq / 1000000;  in cpsw_ale_hw_aging_timer_start()
1202 	aging_timer *= ale->params.ale_ageout;  in cpsw_ale_hw_aging_timer_start()
1206 		dev_warn(ale->params.dev,  in cpsw_ale_hw_aging_timer_start()
1207 			 "ALE aging timer overflow, set to max\n");  in cpsw_ale_hw_aging_timer_start()
1210 	writel(aging_timer, ale->params.ale_regs + ALE_AGING_TIMER);  in cpsw_ale_hw_aging_timer_start()
1213 static void cpsw_ale_hw_aging_timer_stop(struct cpsw_ale *ale)  in cpsw_ale_hw_aging_timer_stop()  argument
1215 	writel(0, ale->params.ale_regs + ALE_AGING_TIMER);  in cpsw_ale_hw_aging_timer_stop()
1218 static void cpsw_ale_aging_start(struct cpsw_ale *ale)  in cpsw_ale_aging_start()  argument
1220 	if (!ale->params.ale_ageout)  in cpsw_ale_aging_start()
1223 	if (ale->features & CPSW_ALE_F_HW_AUTOAGING) {  in cpsw_ale_aging_start()
1224 		cpsw_ale_hw_aging_timer_start(ale);  in cpsw_ale_aging_start()
1228 	timer_setup(&ale->timer, cpsw_ale_timer, 0);  in cpsw_ale_aging_start()
1229 	ale->timer.expires = jiffies + ale->ageout;  in cpsw_ale_aging_start()
1230 	add_timer(&ale->timer);  in cpsw_ale_aging_start()
1233 static void cpsw_ale_aging_stop(struct cpsw_ale *ale)  in cpsw_ale_aging_stop()  argument
1235 	if (!ale->params.ale_ageout)  in cpsw_ale_aging_stop()
1238 	if (ale->features & CPSW_ALE_F_HW_AUTOAGING) {  in cpsw_ale_aging_stop()
1239 		cpsw_ale_hw_aging_timer_stop(ale);  in cpsw_ale_aging_stop()
1243 	del_timer_sync(&ale->timer);  in cpsw_ale_aging_stop()
1246 void cpsw_ale_start(struct cpsw_ale *ale)  in cpsw_ale_start()  argument
1260 	ale_prescale = ale->params.bus_freq / ALE_RATE_LIMIT_MIN_PPS;  in cpsw_ale_start()
1261 	writel((u32)ale_prescale, ale->params.ale_regs + ALE_PRESCALE);  in cpsw_ale_start()
1266 	cpsw_ale_control_set(ale, 0, ALE_RATE_LIMIT, 1);  in cpsw_ale_start()
1268 	cpsw_ale_control_set(ale, 0, ALE_ENABLE, 1);  in cpsw_ale_start()
1269 	cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1);  in cpsw_ale_start()
1271 	cpsw_ale_aging_start(ale);  in cpsw_ale_start()
1274 void cpsw_ale_stop(struct cpsw_ale *ale)  in cpsw_ale_stop()  argument
1276 	cpsw_ale_aging_stop(ale);  in cpsw_ale_stop()
1277 	cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1);  in cpsw_ale_stop()
1278 	cpsw_ale_control_set(ale, 0, ALE_ENABLE, 0);  in cpsw_ale_stop()
1353 	struct cpsw_ale *ale;  in cpsw_ale_create()  local
1364 	ale = devm_kzalloc(params->dev, sizeof(*ale), GFP_KERNEL);  in cpsw_ale_create()
1365 	if (!ale)  in cpsw_ale_create()
1368 	ale->p0_untag_vid_mask = devm_bitmap_zalloc(params->dev, VLAN_N_VID,  in cpsw_ale_create()
1370 	if (!ale->p0_untag_vid_mask)  in cpsw_ale_create()
1373 	ale->params = *params;  in cpsw_ale_create()
1374 	ale->ageout = ale->params.ale_ageout * HZ;  in cpsw_ale_create()
1375 	ale->features = ale_dev_id->features;  in cpsw_ale_create()
1376 	ale->vlan_entry_tbl = ale_dev_id->vlan_entry_tbl;  in cpsw_ale_create()
1378 	rev = readl_relaxed(ale->params.ale_regs + ALE_IDVER);  in cpsw_ale_create()
1379 	ale->version =  in cpsw_ale_create()
1380 		(ALE_VERSION_MAJOR(rev, ale->params.major_ver_mask) << 8) |  in cpsw_ale_create()
1382 	dev_info(ale->params.dev, "initialized cpsw ale version %d.%d\n",  in cpsw_ale_create()
1383 		 ALE_VERSION_MAJOR(rev, ale->params.major_ver_mask),  in cpsw_ale_create()
1386 	if (ale->features & CPSW_ALE_F_STATUS_REG &&  in cpsw_ale_create()
1387 	    !ale->params.ale_entries) {  in cpsw_ale_create()
1389 			readl_relaxed(ale->params.ale_regs + ALE_STATUS) &  in cpsw_ale_create()
1391 		/* ALE available on newer NetCP switches has introduced  in cpsw_ale_create()
1392 		 * a register, ALE_STATUS, to indicate the size of ALE  in cpsw_ale_create()
1402 		ale->params.ale_entries = ale_entries;  in cpsw_ale_create()
1404 	dev_info(ale->params.dev,  in cpsw_ale_create()
1405 		 "ALE Table size %ld\n", ale->params.ale_entries);  in cpsw_ale_create()
1408 	ale->port_mask_bits = ale->params.ale_ports;  in cpsw_ale_create()
1409 	ale->port_num_bits = order_base_2(ale->params.ale_ports);  in cpsw_ale_create()
1410 	ale->vlan_field_bits = ale->params.ale_ports;  in cpsw_ale_create()
1412 	/* Set defaults override for ALE on NetCP NU switch and for version  in cpsw_ale_create()
1415 	if (ale->params.nu_switch_ale) {  in cpsw_ale_create()
1417 		 * Also there are N bits, where N is number of ale  in cpsw_ale_create()
1421 					ale->params.ale_ports;  in cpsw_ale_create()
1425 					ale->params.ale_ports;  in cpsw_ale_create()
1430 					ale->params.ale_ports;  in cpsw_ale_create()
1435 					ale->params.ale_ports;  in cpsw_ale_create()
1441 	cpsw_ale_control_set(ale, 0, ALE_CLEAR, 1);  in cpsw_ale_create()
1442 	return ale;  in cpsw_ale_create()
1445 void cpsw_ale_dump(struct cpsw_ale *ale, u32 *data)  in cpsw_ale_dump()  argument
1449 	for (i = 0; i < ale->params.ale_entries; i++) {  in cpsw_ale_dump()
1450 		cpsw_ale_read(ale, i, data);  in cpsw_ale_dump()
1455 u32 cpsw_ale_get_num_entries(struct cpsw_ale *ale)  in cpsw_ale_get_num_entries()  argument
1457 	return ale ? ale->params.ale_entries : 0;  in cpsw_ale_get_num_entries()