/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
- * Copyright 2016-2017 NXP
+ * Copyright 2016-2020 NXP
*
*/
#ifndef __FSL_DPNI_H
/**
* struct dpni_pools_cfg - Structure representing buffer pools configuration
* @num_dpbp: Number of DPBPs
+ * @pool_options: Buffer assignment options
+ * This field is a combination of DPNI_POOL_ASSOC_flags
* @pools: Array of buffer pools parameters; The number of valid entries
* must match 'num_dpbp' value
* @pools.dpbp_id: DPBP object ID
* @pools.buffer_size: Buffer size
* @pools.backup_pool: Backup pool
*/
+
+#define DPNI_POOL_ASSOC_QPRI 0
+#define DPNI_POOL_ASSOC_QDBIN 1
+
struct dpni_pools_cfg {
uint8_t num_dpbp;
+ uint8_t pool_options;
struct {
int dpbp_id;
uint8_t priority_mask;
* @page_5.policer_cnt_green: number of green colored frames
* @page_5.policer_cnt_re_red: number of recolored red frames
* @page_5.policer_cnt_re_yellow: number of recolored yellow frames
+ * @page_6.tx_pending_frames_cnt: total number of frames pending in Tx queues
* @raw: raw statistics structure, used to index counters
*/
union dpni_statistics {
uint64_t policer_cnt_re_red;
uint64_t policer_cnt_re_yellow;
} page_5;
+ struct {
+ uint64_t tx_pending_frames_cnt;
+ } page_6;
struct {
uint64_t counter[DPNI_STATISTICS_CNT];
} raw;
uint16_t token,
struct dpni_link_state *state);
+/**
+ * struct dpni_tx_shaping - Structure representing DPNI tx shaping configuration
+ * @rate_limit: Rate in Mbps
+ * @max_burst_size: Burst size in bytes (up to 64KB)
+ */
+struct dpni_tx_shaping_cfg {
+ uint32_t rate_limit;
+ uint16_t max_burst_size;
+};
+
+int dpni_set_tx_shaping(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ const struct dpni_tx_shaping_cfg *tx_cr_shaper,
+ const struct dpni_tx_shaping_cfg *tx_er_shaper,
+ int coupled);
+
int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
- const uint8_t mac_addr[6]);
+ const uint8_t mac_addr[6],
+ uint8_t flags,
+ uint8_t tc_id,
+ uint8_t flow_id);
int dpni_remove_mac_addr(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
int en);
+/**
+ * Set vlan filter queue action
+ */
+#define DPNI_VLAN_SET_QUEUE_ACTION 1
+
int dpni_add_vlan_id(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
- uint16_t vlan_id);
+ uint16_t vlan_id,
+ uint8_t flags,
+ uint8_t tc_id,
+ uint8_t flow_id);
int dpni_remove_vlan_id(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint32_t cmd_flags,
uint16_t token);
+/**
+ * enum dpni_tx_schedule_mode - DPNI Tx scheduling mode
+ * @DPNI_TX_SCHED_STRICT_PRIORITY: strict priority
+ * @DPNI_TX_SCHED_WEIGHTED_A: weighted based scheduling in group A
+ * @DPNI_TX_SCHED_WEIGHTED_B: weighted based scheduling in group B
+ */
+enum dpni_tx_schedule_mode {
+ DPNI_TX_SCHED_STRICT_PRIORITY = 0,
+ DPNI_TX_SCHED_WEIGHTED_A,
+ DPNI_TX_SCHED_WEIGHTED_B,
+};
+
+/**
+ * struct dpni_tx_schedule_cfg - Structure representing Tx scheduling conf
+ * @mode: Scheduling mode
+ * @delta_bandwidth: Bandwidth represented in weights from 100 to 10000;
+ * not applicable for 'strict-priority' mode;
+ */
+struct dpni_tx_schedule_cfg {
+ enum dpni_tx_schedule_mode mode;
+ uint16_t delta_bandwidth;
+};
+
+/**
+ * struct dpni_tx_priorities_cfg - Structure representing transmission
+ * priorities for DPNI TCs
+ * @tc_sched: An array of traffic-classes
+ * @prio_group_A: Priority of group A
+ * @prio_group_B: Priority of group B
+ * @separate_groups: Treat A and B groups as separate
+ */
+struct dpni_tx_priorities_cfg {
+ struct dpni_tx_schedule_cfg tc_sched[DPNI_MAX_TC];
+ uint32_t prio_group_A;
+ uint32_t prio_group_B;
+ uint8_t separate_groups;
+};
+
+int dpni_set_tx_priorities(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ const struct dpni_tx_priorities_cfg *cfg);
+
/**
* enum dpni_dist_mode - DPNI distribution mode
* @DPNI_DIST_MODE_NONE: No distribution
uint8_t tc_id,
const struct dpni_rx_tc_dist_cfg *cfg);
+/**
+ * Set to select color aware mode (otherwise - color blind)
+ */
+#define DPNI_POLICER_OPT_COLOR_AWARE 0x00000001
+/**
+ * Set to discard frame with RED color
+ */
+#define DPNI_POLICER_OPT_DISCARD_RED 0x00000002
+
+/**
+ * enum dpni_policer_mode - selecting the policer mode
+ * @DPNI_POLICER_MODE_NONE: Policer is disabled
+ * @DPNI_POLICER_MODE_PASS_THROUGH: Policer pass through
+ * @DPNI_POLICER_MODE_RFC_2698: Policer algorithm RFC 2698
+ * @DPNI_POLICER_MODE_RFC_4115: Policer algorithm RFC 4115
+ */
+enum dpni_policer_mode {
+ DPNI_POLICER_MODE_NONE = 0,
+ DPNI_POLICER_MODE_PASS_THROUGH,
+ DPNI_POLICER_MODE_RFC_2698,
+ DPNI_POLICER_MODE_RFC_4115
+};
+
+/**
+ * enum dpni_policer_unit - DPNI policer units
+ * @DPNI_POLICER_UNIT_BYTES: bytes units
+ * @DPNI_POLICER_UNIT_FRAMES: frames units
+ */
+enum dpni_policer_unit {
+ DPNI_POLICER_UNIT_BYTES = 0,
+ DPNI_POLICER_UNIT_FRAMES
+};
+
+/**
+ * enum dpni_policer_color - selecting the policer color
+ * @DPNI_POLICER_COLOR_GREEN: Green color
+ * @DPNI_POLICER_COLOR_YELLOW: Yellow color
+ * @DPNI_POLICER_COLOR_RED: Red color
+ */
+enum dpni_policer_color {
+ DPNI_POLICER_COLOR_GREEN = 0,
+ DPNI_POLICER_COLOR_YELLOW,
+ DPNI_POLICER_COLOR_RED
+};
+
+/**
+ * struct dpni_rx_tc_policing_cfg - Policer configuration
+ * @options: Mask of available options; use 'DPNI_POLICER_OPT_<X>' values
+ * @mode: policer mode
+ * @default_color: For pass-through mode the policer re-colors with this
+ * color any incoming packets. For Color aware non-pass-through mode:
+ * policer re-colors with this color all packets with FD[DROPP]>2.
+ * @units: Bytes or Packets
+ * @cir: Committed information rate (CIR) in Kbps or packets/second
+ * @cbs: Committed burst size (CBS) in bytes or packets
+ * @eir: Peak information rate (PIR, rfc2698) in Kbps or packets/second
+ * Excess information rate (EIR, rfc4115) in Kbps or packets/second
+ * @ebs: Peak burst size (PBS, rfc2698) in bytes or packets
+ * Excess burst size (EBS, rfc4115) in bytes or packets
+ */
+struct dpni_rx_tc_policing_cfg {
+ uint32_t options;
+ enum dpni_policer_mode mode;
+ enum dpni_policer_unit units;
+ enum dpni_policer_color default_color;
+ uint32_t cir;
+ uint32_t cbs;
+ uint32_t eir;
+ uint32_t ebs;
+};
+
+
+int dpni_set_rx_tc_policing(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint8_t tc_id,
+ const struct dpni_rx_tc_policing_cfg *cfg);
+
+int dpni_get_rx_tc_policing(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ uint8_t tc_id,
+ struct dpni_rx_tc_policing_cfg *cfg);
+
/**
* enum dpni_congestion_unit - DPNI congestion units
* @DPNI_CONGESTION_UNIT_BYTES: bytes units
DPNI_CONGESTION_UNIT_FRAMES
};
+/**
+ * enum dpni_early_drop_mode - DPNI early drop mode
+ * @DPNI_EARLY_DROP_MODE_NONE: early drop is disabled
+ * @DPNI_EARLY_DROP_MODE_TAIL: early drop in taildrop mode
+ * @DPNI_EARLY_DROP_MODE_WRED: early drop in WRED mode
+ */
+enum dpni_early_drop_mode {
+ DPNI_EARLY_DROP_MODE_NONE = 0,
+ DPNI_EARLY_DROP_MODE_TAIL,
+ DPNI_EARLY_DROP_MODE_WRED
+};
+
+/**
+ * struct dpni_wred_cfg - WRED configuration
+ * @max_threshold: maximum threshold that packets may be discarded. Above this
+ * threshold all packets are discarded; must be less than 2^39;
+ * approximated to be expressed as (x+256)*2^(y-1) due to HW
+ * implementation.
+ * @min_threshold: minimum threshold that packets may be discarded at
+ * @drop_probability: probability that a packet will be discarded (1-100,
+ * associated with the max_threshold).
+ */
+struct dpni_wred_cfg {
+ uint64_t max_threshold;
+ uint64_t min_threshold;
+ uint8_t drop_probability;
+};
+
+/**
+ * struct dpni_early_drop_cfg - early-drop configuration
+ * @enable: drop enable
+ * @units: units type
+ * @green: WRED - 'green' configuration
+ * @yellow: WRED - 'yellow' configuration
+ * @red: WRED - 'red' configuration
+ */
+struct dpni_early_drop_cfg {
+ uint8_t enable;
+ enum dpni_congestion_unit units;
+ struct dpni_wred_cfg green;
+ struct dpni_wred_cfg yellow;
+ struct dpni_wred_cfg red;
+};
+
+void dpni_prepare_early_drop(const struct dpni_early_drop_cfg *cfg,
+ uint8_t *early_drop_buf);
+
+void dpni_extract_early_drop(struct dpni_early_drop_cfg *cfg,
+ const uint8_t *early_drop_buf);
+
+int dpni_set_early_drop(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ enum dpni_queue_type qtype,
+ uint8_t tc_id,
+ uint64_t early_drop_iova);
+
+int dpni_get_early_drop(struct fsl_mc_io *mc_io,
+ uint32_t cmd_flags,
+ uint16_t token,
+ enum dpni_queue_type qtype,
+ uint8_t tc_id,
+ uint64_t early_drop_iova);
+
/**
* enum dpni_dest - DPNI destination types
* @DPNI_DEST_NONE: Unassigned destination; The queue is set in parked mode and
uint16_t token,
const struct dpni_rule_cfg *cfg,
uint8_t tc_id,
- uint16_t index);
+ uint16_t index,
+ uint8_t flags,
+ uint8_t flow_id);
int dpni_remove_qos_entry(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
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