soc/mscc/ocelot.h

1 /* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
16 /* Port Group IDs (PGID) are masks of destination ports.
19  * frame, and forwards the frame to the ports that are present in the logical
23  * - In one of PGID[0-63]: for the destination masks. There are 2 paths by
25  *     - The {DMAC, VID} is present in the MAC table. In that case, the
28  *     - The {DMAC, VID} is not present in the MAC table (it is unknown). The
34  *   ocelot->num_phys_ports - 1, or a multicast set: the PGIDs from
35  *   ocelot->num_phys_ports to 63. By convention, a unicast PGID corresponds to
36  *   a physical port and has a single bit set in the destination ports mask:
39  *   ports mask.
40  * - In one of PGID[64-79]: for the aggregation mask. The switch classifier
41  *   dissects each frame and generates a 4-bit Link Aggregation Code which is
43  *   hash multiple flows within the same LAG on to different destination ports.
45  *   the destination ports mask, and the second lookup, by Link Aggregation
48  * - In one of PGID[80-90]: for the source mask. The third time, the PGID table
60  * PGID_MC: the flooding destinations for non-IP multicast traffic.
75 	     (pgid) < (ocelot)->num_phys_ports;			\
79 	for ((pgid) = (ocelot)->num_phys_ports + 1;		\
104 #define REG_MASK			GENMASK(TARGET_OFFSET - 1, 0)
680 	int count;  member
691 	/* all VLANs are egress-untagged */
693 	/* all VLANs except the native VLAN and VID 0 are egress-tagged */
695 	/* all VLANs except VID 0 are egress-tagged */
697 	/* all VLANs are egress-tagged */
824 	struct ocelot_port		**ports;  member
836 	 * the CPU is located after the physical ports (at the
852 	struct ocelot_vcap_block	block[3];  member
871 	 * configuration of the Time-Aware Shaper, MAC Merge layer and
872 	 * cut-through forwarding, on which it depends
883 	/* Protects the 2-step TX timestamp ID logic */
899 #define ocelot_bulk_read(ocelot, reg, buf, count) \  argument
900 	__ocelot_bulk_read_ix(ocelot, reg, 0, buf, count)
928 	regmap_field_write((ocelot)->regfields[(reg)], (val))
930 	regmap_field_read((ocelot)->regfields[(reg)], (val))
932 	regmap_fields_write((ocelot)->regfields[(reg)], (id), (val))
934 	regmap_fields_read((ocelot)->regfields[(reg)], (id), (val))
960 			  u32 offset, void *buf, int count);
1192 	return -EOPNOTSUPP;  in ocelot_mrp_add()
1198 	return -EOPNOTSUPP;  in ocelot_mrp_del()
1205 	return -EOPNOTSUPP;  in ocelot_mrp_add_ring_role()
1212 	return -EOPNOTSUPP;  in ocelot_mrp_del_ring_role()