1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2 /* Copyright (c) 2019-2022 Marvell International Ltd. All rights reserved */
21 	err = prestera_flower_prio_get(block, f->common.chain_index,  in prestera_mall_prio_check()
23 	if (err == -ENOENT)  in prestera_mall_prio_check()
28 		NL_SET_ERR_MSG(f->common.extack, "Failed to get flower priorities");  in prestera_mall_prio_check()
32 	if (f->common.prio <= flower_prio_max && !block->ingress) {  in prestera_mall_prio_check()
33 		NL_SET_ERR_MSG(f->common.extack, "Failed to add in front of existing flower rules");  in prestera_mall_prio_check()
34 		return -EOPNOTSUPP;  in prestera_mall_prio_check()
36 	if (f->common.prio >= flower_prio_min && block->ingress) {  in prestera_mall_prio_check()
37 		NL_SET_ERR_MSG(f->common.extack, "Failed to add behind of existing flower rules");  in prestera_mall_prio_check()
38 		return -EOPNOTSUPP;  in prestera_mall_prio_check()
47 	if (!block->mall.bound)  in prestera_mall_prio_get()
48 		return -ENOENT;  in prestera_mall_prio_get()
50 	*prio_min = block->mall.prio_min;  in prestera_mall_prio_get()
51 	*prio_max = block->mall.prio_max;  in prestera_mall_prio_get()
58 	block->mall.prio_min = min(block->mall.prio_min, f->common.prio);  in prestera_mall_prio_update()
59 	block->mall.prio_max = max(block->mall.prio_max, f->common.prio);  in prestera_mall_prio_update()
66 	__be16 protocol = f->common.protocol;  in prestera_mall_replace()
71 	if (!flow_offload_has_one_action(&f->rule->action)) {  in prestera_mall_replace()
72 		NL_SET_ERR_MSG(f->common.extack,  in prestera_mall_replace()
74 		return -EOPNOTSUPP;  in prestera_mall_replace()
77 	act = &f->rule->action.entries[0];  in prestera_mall_replace()
79 	if (!prestera_netdev_check(act->dev)) {  in prestera_mall_replace()
80 		NL_SET_ERR_MSG(f->common.extack,  in prestera_mall_replace()
82 		return -EINVAL;  in prestera_mall_replace()
84 	if (!tc_cls_can_offload_and_chain0(act->dev, &f->common))  in prestera_mall_replace()
85 		return -EOPNOTSUPP;  in prestera_mall_replace()
86 	if (act->id != FLOW_ACTION_MIRRED)  in prestera_mall_replace()
87 		return -EOPNOTSUPP;  in prestera_mall_replace()
89 		return -EOPNOTSUPP;  in prestera_mall_replace()
95 	port = netdev_priv(act->dev);  in prestera_mall_replace()
97 	list_for_each_entry(binding, &block->binding_list, list) {  in prestera_mall_replace()
98 		err = prestera_span_rule_add(binding, port, block->ingress);  in prestera_mall_replace()
99 		if (err == -EEXIST)  in prestera_mall_replace()
107 	block->mall.bound = true;  in prestera_mall_replace()
112 					     &block->binding_list, list)  in prestera_mall_replace()
113 		prestera_span_rule_del(binding, block->ingress);  in prestera_mall_replace()
121 	list_for_each_entry(binding, &block->binding_list, list)  in prestera_mall_destroy()
122 		prestera_span_rule_del(binding, block->ingress);  in prestera_mall_destroy()
124 	block->mall.prio_min = UINT_MAX;  in prestera_mall_destroy()
125 	block->mall.prio_max = 0;  in prestera_mall_destroy()
126 	block->mall.bound = false;  in prestera_mall_destroy()