12  * into the chain number. This is UAPI.
24 static int ocelot_chain_to_block(int chain, bool ingress)  in ocelot_chain_to_block()  argument
29 		if (chain == 0)  in ocelot_chain_to_block()
34 	/* Backwards compatibility with older, single-chain tc-flower  in ocelot_chain_to_block()
37 	if (chain == 0)  in ocelot_chain_to_block()
41 		if (chain == VCAP_IS1_CHAIN(lookup))  in ocelot_chain_to_block()
46 			if (chain == VCAP_IS2_CHAIN(lookup, pag))  in ocelot_chain_to_block()
52 /* Caller must ensure this is a valid IS1 or IS2 chain first,
55 static int ocelot_chain_to_lookup(int chain)  in ocelot_chain_to_lookup()  argument
57 	return (chain / VCAP_LOOKUP) % 10;  in ocelot_chain_to_lookup()
60 /* Caller must ensure this is a valid IS2 chain first,
63 static int ocelot_chain_to_pag(int chain)  in ocelot_chain_to_pag()  argument
65 	int lookup = ocelot_chain_to_lookup(chain);  in ocelot_chain_to_pag()
67 	/* calculate PAG value as chain index relative to the first PAG */  in ocelot_chain_to_pag()
68 	return chain - VCAP_IS2_CHAIN(lookup, 0);  in ocelot_chain_to_pag()
71 static bool ocelot_is_goto_target_valid(int goto_target, int chain,  in ocelot_is_goto_target_valid()  argument
81 	if (chain == 0)  in ocelot_is_goto_target_valid()
89 	if (chain == VCAP_IS1_CHAIN(0))  in ocelot_is_goto_target_valid()
92 	if (chain == VCAP_IS1_CHAIN(1))  in ocelot_is_goto_target_valid()
97 	 * value encoding a VCAP IS2 target chain.  in ocelot_is_goto_target_valid()
99 	if (chain == VCAP_IS1_CHAIN(2)) {  in ocelot_is_goto_target_valid()
111 		if (chain == VCAP_IS2_CHAIN(0, pag))  in ocelot_is_goto_target_valid()
119 ocelot_find_vcap_filter_that_points_at(struct ocelot *ocelot, int chain)  in ocelot_find_vcap_filter_that_points_at()  argument
125 	block_id = ocelot_chain_to_block(chain, true);  in ocelot_find_vcap_filter_that_points_at()
134 			    filter->goto_target == chain)  in ocelot_find_vcap_filter_that_points_at()
139 		if (filter->goto_target == chain)  in ocelot_find_vcap_filter_that_points_at()
154 	int i, chain, egress_port;  in ocelot_flower_parse_action()  local
161 	chain = f->common.chain_index;  in ocelot_flower_parse_action()
162 	filter->block_id = ocelot_chain_to_block(chain, ingress);  in ocelot_flower_parse_action()
164 		NL_SET_ERR_MSG_MOD(extack, "Cannot offload to this chain");  in ocelot_flower_parse_action()
168 		filter->lookup = ocelot_chain_to_lookup(chain);  in ocelot_flower_parse_action()
170 		filter->pag = ocelot_chain_to_pag(chain);  in ocelot_flower_parse_action()
351 		    chain == 0) {  in ocelot_flower_parse_action()
359 	if (!ocelot_is_goto_target_valid(filter->goto_target, chain, ingress) &&  in ocelot_flower_parse_action()
679 	int chain = f->common.chain_index;  in ocelot_cls_flower_replace()  local
682 	if (chain && !ocelot_find_vcap_filter_that_points_at(ocelot, chain)) {  in ocelot_cls_flower_replace()
683 		NL_SET_ERR_MSG_MOD(extack, "No default GOTO action points to this chain");  in ocelot_cls_flower_replace()