dsa/microchip/ksz9477_acl.c

8  * - Matching Rules: These registers define the criteria for matching incoming
11  *   matching rule mode (MD) and the Enable (ENB) settings.
14  *   priority, VLAN tag priority, and forwarding map once a matching rule has
15  *   been triggered. The settings vary depending on whether the matching rule is
19  *   such as selecting which matching rule to apply first, enabling/disabling
25  * |    Matching Rules    |    |    Matching Rules    |
34  *               | matching rule set)   |
176  *					matching rule.
181  * matching rule by inspecting the Mode (MD) and Enable (ENB) fields.
183  * Returns: True if it's a valid matching rule, false otherwise.
207  *                             the matching rules.
213  * in an ACL entry indicates which entries contain Matching rules linked to it.
216  * an entry containing a Matching rule for this RuleSet.
218  * For a single Matching rule linked, only one bit is set. However, when an
219  * entry links multiple Matching rules, forming what's termed a 'complex rule',
223  * linked Matching rules are contiguous in terms of their indices. It calculates
259 …dev_dbg(dev->dev, "ACL: entry %d starting with a valid matching rule, but no bits set in RuleSet\n…  in ksz9477_acl_get_cont_entr()
264 		/* This entry does not contain a valid matching rule */  in ksz9477_acl_get_cont_entr()
283 	/* loop over the contiguous entries and check for valid matching rules */  in ksz9477_acl_get_cont_entr()
288 			/* we have something linked without a valid matching  in ksz9477_acl_get_cont_entr()
291 			dev_err(dev->dev, "ACL: entry %d does not contain a valid matching rule\n",  in ksz9477_acl_get_cont_entr()
986  * a matching cookie value. The remaining entries are then shifted down to fill
1008 	/* No entries with the matching cookie found */  in ksz9477_acl_remove_entries()
1320  * ksz9477_acl_processing_rule_add_match - Add a matching rule to the rule set
1322  * @match_idx: Index of the matching rule to be added
1324  * This function adds a matching rule to the rule set by updating the
1330  *        Bits 7:0 - RuleSet [15:8] Specifies a set of one or more Matching rule
1331  *        entries. RuleSet has one bit for each of the 16 Matching rule entries.
1332  *        If multiple Matching rules are selected, then all conditions will be
1334  *		0 = Matching rule not selected
1335  *		1 = Matching rule selected
1387  * ksz9477_acl_match_process_l2 - Configure Layer 2 ACL matching rules and
1397  * This function sets up matching and processing rules for Layer 2 ACLs.