dsa/ocelot/felix_vsc9959.c

1080  * of a cyclic tc-taprio schedule. If a gate is always open, the duration is
1083 static void vsc9959_tas_min_gate_lengths(struct tc_taprio_qopt_offload *taprio,
1097 	/* If we don't have taprio, consider all gates as permanently open */
1098 	if (!taprio)
1101 	n = taprio->num_entries;
1111 		entry = &taprio->entries[i % n];
1199 static u32 vsc9959_tas_tc_max_sdu(struct tc_taprio_qopt_offload *taprio, int tc)
1201 	if (!taprio || !taprio->max_sdu[tc])
1204 	return taprio->max_sdu[tc] + ETH_HLEN + 2 * VLAN_HLEN + ETH_FCS_LEN;
1217 	struct tc_taprio_qopt_offload *taprio;
1228 	taprio = ocelot_port->taprio;
1275 	vsc9959_tas_min_gate_lengths(taprio, min_gate_len);
1278 		u32 requested_max_sdu = vsc9959_tas_tc_max_sdu(taprio, tc);
1374 	if (ocelot_port->taprio)
1418 				    struct tc_taprio_qopt_offload *taprio)
1427 	if (taprio->cmd == TAPRIO_CMD_DESTROY) {
1428 		ocelot_port_mqprio(ocelot, port, &taprio->mqprio);
1432 		taprio_offload_free(ocelot_port->taprio);
1433 		ocelot_port->taprio = NULL;
1439 	} else if (taprio->cmd != TAPRIO_CMD_REPLACE) {
1444 	ret = ocelot_port_mqprio(ocelot, port, &taprio->mqprio);
1448 	if (taprio->cycle_time > NSEC_PER_SEC ||
1449 	    taprio->cycle_time_extension >= NSEC_PER_SEC) {
1454 	if (taprio->num_entries > VSC9959_TAS_GCL_ENTRY_MAX) {
1492 	vsc9959_new_base_time(ocelot, taprio->base_time,
1493 			      taprio->cycle_time, &base_ts);
1499 		     QSYS_PARAM_CFG_REG_3_LIST_LENGTH(taprio->num_entries),
1501 	ocelot_write(ocelot, taprio->cycle_time, QSYS_PARAM_CFG_REG_4);
1502 	ocelot_write(ocelot, taprio->cycle_time_extension, QSYS_PARAM_CFG_REG_5);
1504 	for (i = 0; i < taprio->num_entries; i++)
1505 		vsc9959_tas_gcl_set(ocelot, i, &taprio->entries[i]);
1517 	ocelot_port->taprio = taprio_offload_get(taprio);
1525 	taprio->mqprio.qopt.num_tc = 0;
1526 	ocelot_port_mqprio(ocelot, port, &taprio->mqprio);
1535 	struct tc_taprio_qopt_offload *taprio;
1545 		taprio = ocelot_port->taprio;
1546 		if (!taprio)
1558 		vsc9959_new_base_time(ocelot, taprio->base_time,
1559 				      taprio->cycle_time, &base_ts);