/*
 * Common DT bindings for Network QoS on Keystone SoCs
 *
 * Copyright (C) 2015 Texas Instruments, Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

droppolicies: default-drop-policies {
	no-drop {
		default;
		packet-units;
		limit = <0>;
	};
	tail-drop-64pkts {
		packet-units;
		limit = <64>;
	};
	tail-drop-100pkts {
		packet-units;
		limit = <100>;
	};
	tail-drop-32kb {
		byte-units;
		limit = <32768>;
	};
	tail-drop-64kb {
		byte-units;
		limit = <65536>;
	};
	red-32kb-128kb {
		byte-units;
		limit = <196608>;
		random-early-drop = <32768 131072 2 2000>;
	};
	red-32kb-64kb {
		byte-units;
		limit = <131072>;
		random-early-drop = <32768 65536 2 2000>;
	};
	all-drop {
		byte-units;
		limit = <0>;
	};
};

qostree0: qos-tree-0 {
	strict-priority;		/* or weighted-round-robin */
	byte-units;			/* packet-units or byte-units */
	output-rate = <31250000 25000>;
	overhead-bytes = <24>;		/* valid only if units are bytes */

	high-priority {
		byte-units;		/* packet-units or byte-units */
		priority = <0>;
		signaling {
			input-queues = <8046 8071>;
			stats-class  = "fastpath-hp";
			drop-policy = "no-drop";
		};
		linux-signaling {
			input-queues = <8077>;
			stats-class  = "linux-hp";
			drop-policy = "no-drop";
		};
	};

	wrr-aggregator {
		weighted-round-robin;
		priority = <1>;
		byte-units;			/* packet-units or byte-units */
		output-rate = <25000000 25000>;
		overhead-bytes = <24>;		/* valid only if units are
						 * bytes
						 */
		wrr-cos0 {
			weighted-round-robin;	/* or weighted-round-robin */
			byte-units;		/* packet-units or byte-units */
			weight = <20>;
			overhead-bytes = <24>;	/* valid only if units are
						 * bytes
						 */
			4g-cos0 {
				drop-policy = "tail-drop-32kb";
				weight = <5>;
				input-queues = <8010 8065>;
				stats-class  = "cos0";
			};
			3g-cos0 {
				drop-policy = "tail-drop-32kb";
				weight = <5>;
				input-queues = <8012>;
				stats-class  = "cos0";
			};
			wifi-cos0 {
				drop-policy = "tail-drop-32kb";
				weight = <5>;
				input-queues = <8014>;
				stats-class  = "cos0";
			};
			linux-cos0 {
				drop-policy = "tail-drop-32kb";
				weight = <5>;
				input-queues = <8073>;
				stats-class  = "linux-cos0";
			};
		};
		wrr-cos1 {
			weighted-round-robin;	/* or weighted-round-robin */
			byte-units;		/* packet-units or byte-units */
			weight = <40>;
			overhead-bytes = <24>;	/* valid only if units are
						 * bytes
						 */
			4g-cos1 {
				drop-policy = "red-32kb-128kb";
				weight = <10>;
				input-queues = <8018 8066>;
				stats-class  = "cos1";
			};
			3g-cos1 {
				drop-policy = "red-32kb-128kb";
				weight = <10>;
				input-queues = <8020>;
				stats-class  = "cos1";
			};
			wifi-cos1 {
				drop-policy = "red-32kb-128kb";
				weight = <10>;
				input-queues = <8022>;
				stats-class  = "cos1";
			};
			linux-cos1 {
				drop-policy = "red-32kb-128kb";
				weight = <10>;
				input-queues = <8074>;
				stats-class  = "linux-cos1";
			};
		};
		wrr-cos2 {
			weighted-round-robin;	/* or weighted-round-robin */
			byte-units;		/* packet-units or byte-units */
			weight = <60>;
			overhead-bytes = <24>;	/* valid only if units are
						 * bytes
						 */
			4g-cos2 {
				drop-policy = "red-32kb-64kb";
				weight = <15>;
				input-queues = <8026 8067>;
				stats-class  = "cos2";
			};
			3g-cos2 {
				drop-policy = "red-32kb-64kb";
				weight = <15>;
				input-queues = <8028>;
				stats-class  = "cos2";
			};
			wifi-cos2 {
				drop-policy = "red-32kb-64kb";
				weight = <15>;
				input-queues = <8030>;
				stats-class  = "cos2";
			};
			linux-cos2 {
				drop-policy = "red-32kb-64kb";
				weight = <15>;
				input-queues = <8075>;
				stats-class  = "linux-cos2";
			};
		};
		wrr-cos3 {
			weighted-round-robin;	/* or weighted-round-robin */
			byte-units;		/* packet-units or byte-units */
			weight = <80>;
			overhead-bytes = <24>;	/* valid only if units are
						 * bytes
						 */
			4g-cos3 {
				drop-policy = "tail-drop-64kb";
				weight = <20>;
				input-queues = <8034 8068>;
				stats-class  = "cos3";
			};
			3g-cos3 {
				drop-policy = "tail-drop-64kb";
				weight = <20>;
				input-queues = <8036>;
				stats-class  = "cos3";
			};
			wifi-cos3 {
				drop-policy = "tail-drop-64kb";
				weight = <20>;
				input-queues = <8038>;
				stats-class  = "cos3";
			};
			linux-cos3 {
				drop-policy = "tail-drop-64kb";
				weight = <20>;
				input-queues = <8076>;
				stats-class  = "linux-cos3";
			};
		};
	};

	best-effort {
		byte-units;		/* packet-units or byte-units */
		priority = <2>;
		drop-policy = "tail-drop-64kb";
		fastpath-best-effort {
			/* queues between 8000 to 8063 not assigned
			 * in the above nodes are assigned below as
			 * unclassified DSCP values
			 * queues between 8064 to 8071 not assigned
			 * in the above nodes are assigned below as
			 * unclassified VLAN p-bit values
			 */
			input-queues = <8000 8001 8002 8003 8004
					8005 8006 8007 8008 8009 8011
					8013 8015 8016 8017 8019 8021
					8023 8024 8025 8027 8029 8031
					8032 8033 8035 8037 8039 8040
					8041 8042 8043 8044 8045 8047
					8048 8049 8050 8051 8052 8053
					8054 8055 8056 8057 8058 8059
					8060 8061 8062 8063
					8064 8069 8070>;
			stats-class  = "fastpath-be";
		};
		linux-best-effort {
			input-queues = <8072>;
			stats-class  = "linux-be";
		};
	};
};

qostree1: qos-tree-1 {
	strict-priority;		/* or weighted-round-robin */
	byte-units;			/* packet-units or byte-units */
	output-rate = <31250000 25000>;
	overhead-bytes = <24>;		/* valid only if units are bytes */

	high-priority {
		byte-units;		/* packet-units or byte-units */
		priority = <0>;
		signaling {
			input-queues = <6446 6471>;
			stats-class  = "fastpath-hp";
			drop-policy = "no-drop";
		};
		linux-signaling {
			input-queues = <6477>;
			stats-class  = "linux-hp";
			drop-policy = "no-drop";
		};
	};

	wrr-aggregator {
		weighted-round-robin;
		priority = <1>;
		byte-units;			/* packet-units or byte-units */
		output-rate = <25000000 25000>;
		overhead-bytes = <24>;		/* valid only if units are
						 * bytes
						 */
		wrr-cos0 {
			weighted-round-robin;	/* or weighted-round-robin */
			byte-units;		/* packet-units or byte-units */
			weight = <20>;
			overhead-bytes = <24>;	/* valid only if units are
						 * bytes
						 */
			4g-cos0 {
				drop-policy = "tail-drop-32kb";
				weight = <5>;
				input-queues = <6410 6465>;
				stats-class  = "cos0";
			};
			3g-cos0 {
				drop-policy = "tail-drop-32kb";
				weight = <5>;
				input-queues = <6412>;
				stats-class  = "cos0";
			};
			wifi-cos0 {
				drop-policy = "tail-drop-32kb";
				weight = <5>;
				input-queues = <6414>;
				stats-class  = "cos0";
			};
			linux-cos0 {
				drop-policy = "tail-drop-32kb";
				weight = <5>;
				input-queues = <6473>;
				stats-class  = "linux-cos0";
			};
		};
		wrr-cos1 {
			weighted-round-robin;	/* or weighted-round-robin */
			byte-units;		/* packet-units or byte-units */
			weight = <40>;
			overhead-bytes = <24>;	/* valid only if units are
						 * bytes
						 */
			4g-cos1 {
				drop-policy = "red-32kb-128kb";
				weight = <10>;
				input-queues = <6418 6466>;
				stats-class  = "cos1";
			};
			3g-cos1 {
				drop-policy = "red-32kb-128kb";
				weight = <10>;
				input-queues = <6420>;
				stats-class  = "cos1";
			};
			wifi-cos1 {
				drop-policy = "red-32kb-128kb";
				weight = <10>;
				input-queues = <6422>;
				stats-class  = "cos1";
			};
			linux-cos1 {
				drop-policy = "red-32kb-128kb";
				weight = <10>;
				input-queues = <6474>;
				stats-class  = "linux-cos1";
			};
		};
		wrr-cos2 {
			weighted-round-robin;	/* or weighted-round-robin */
			byte-units;		/* packet-units or byte-units */
			weight = <60>;
			overhead-bytes = <24>;	/* valid only if units are
						 * bytes
						 */
			4g-cos2 {
				drop-policy = "red-32kb-64kb";
				weight = <15>;
				input-queues = <6426 6467>;
				stats-class  = "cos2";
			};
			3g-cos2 {
				drop-policy = "red-32kb-64kb";
				weight = <15>;
				input-queues = <6428>;
				stats-class  = "cos2";
			};
			wifi-cos2 {
				drop-policy = "red-32kb-64kb";
				weight = <15>;
				input-queues = <6430>;
				stats-class  = "cos2";
			};
			linux-cos2 {
				drop-policy = "red-32kb-64kb";
				weight = <15>;
				input-queues = <6475>;
				stats-class  = "linux-cos2";
			};
		};
		wrr-cos3 {
			weighted-round-robin;	/* or weighted-round-robin */
			byte-units;		/* packet-units or byte-units */
			weight = <80>;
			overhead-bytes = <24>;	/* valid only if units are
						 * bytes
						 */
			4g-cos3 {
				drop-policy = "tail-drop-64kb";
				weight = <20>;
				input-queues = <6434 6468>;
				stats-class  = "cos3";
			};
			3g-cos3 {
				drop-policy = "tail-drop-64kb";
				weight = <20>;
				input-queues = <6436>;
				stats-class  = "cos3";
			};
			wifi-cos3 {
				drop-policy = "tail-drop-64kb";
				weight = <20>;
				input-queues = <6438>;
				stats-class  = "cos3";
			};
			linux-cos3 {
				drop-policy = "tail-drop-64kb";
				weight = <20>;
				input-queues = <6476>;
				stats-class  = "linux-cos3";
			};
		};
	};

	best-effort {
		byte-units;		/* packet-units or byte-units */
		priority = <2>;
		drop-policy = "tail-drop-64kb";
		fastpath-best-effort {
			/* queues between 6000 to 6063 not assigned
			 * in the above nodes are assigned below as
			 * unclassified DSCP values
			 * queues between 6064 to 6071 not assigned
			 * in the above nodes are assigned below as
			 * unclassified VLAN p-bit values
			 */
			input-queues = <6400 6401 6402 6403 6404
					6405 6406 6407 6408 6409 6411
					6413 6415 6416 6417 6419 6421
					6423 6424 6425 6427 6429 6431
					6432 6433 6435 6437 6439 6440
					6441 6442 6443 6444 6445 6447
					6448 6449 6450 6451 6452 6453
					6454 6455 6456 6457 6458 6459
					6460 6461 6462 6463
					6464 6469 6470>;
			stats-class  = "fastpath-be";
		};
		linux-best-effort {
			input-queues = <6472>;
			stats-class  = "linux-be";
		};
	};
};