diff options
Diffstat (limited to 'drivers/net/dpaa2/mc/fsl_dpni.h')
| -rw-r--r-- | drivers/net/dpaa2/mc/fsl_dpni.h | 367 |
1 files changed, 362 insertions, 5 deletions
diff --git a/drivers/net/dpaa2/mc/fsl_dpni.h b/drivers/net/dpaa2/mc/fsl_dpni.h index ef14f858..64db70dc 100644 --- a/drivers/net/dpaa2/mc/fsl_dpni.h +++ b/drivers/net/dpaa2/mc/fsl_dpni.h @@ -5,7 +5,7 @@ * BSD LICENSE * * Copyright 2013-2016 Freescale Semiconductor Inc. - * Copyright (c) 2016 NXP. + * Copyright 2016 NXP. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -72,10 +72,7 @@ struct fsl_mc_io; * All flows within traffic class considered; see dpni_set_queue() */ #define DPNI_ALL_TC_FLOWS (uint16_t)(-1) -/** - * Generate new flow ID; see dpni_set_queue() - */ -#define DPNI_NEW_FLOW_ID (uint16_t)(-1) + /** * Tx traffic is always released to a buffer pool on transmit, there are no * resources allocated to have the frames confirmed back to the source after @@ -743,6 +740,30 @@ union dpni_statistics { #define DPNI_LINK_OPT_ASYM_PAUSE 0x0000000000000008ULL /** + * struct - Structure representing DPNI link configuration + * @rate: Rate + * @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values + */ +struct dpni_link_cfg { + uint32_t rate; + uint64_t options; +}; + +/** + * dpni_set_link_cfg() - set the link configuration. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @cfg: Link configuration + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_set_link_cfg(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + const struct dpni_link_cfg *cfg); + +/** * struct dpni_link_state - Structure representing DPNI link state * @rate: Rate * @options: Mask of available options; use 'DPNI_LINK_OPT_<X>' values @@ -800,6 +821,33 @@ int dpni_get_max_frame_length(struct fsl_mc_io *mc_io, uint16_t token, uint16_t *max_frame_length); +/** + * dpni_set_multicast_promisc() - Enable/disable multicast promiscuous mode + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @en: Set to '1' to enable; '0' to disable + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_set_multicast_promisc(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + int en); + +/** + * dpni_get_multicast_promisc() - Get multicast promiscuous mode + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @en: Returns '1' if enabled; '0' otherwise + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_get_multicast_promisc(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + int *en); /** * dpni_set_unicast_promisc() - Enable/disable unicast promiscuous mode @@ -857,6 +905,51 @@ int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io, uint16_t token, uint8_t mac_addr[6]); +/** + * dpni_add_mac_addr() - Add MAC address filter + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @mac_addr: MAC address to add + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_add_mac_addr(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + const uint8_t mac_addr[6]); + +/** + * dpni_remove_mac_addr() - Remove MAC address filter + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @mac_addr: MAC address to remove + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_remove_mac_addr(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + const uint8_t mac_addr[6]); + +/** + * dpni_clear_mac_filters() - Clear all unicast and/or multicast MAC filters + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @unicast: Set to '1' to clear unicast addresses + * @multicast: Set to '1' to clear multicast addresses + * + * The primary MAC address is not cleared by this operation. + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_clear_mac_filters(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + int unicast, + int multicast); /** * dpni_get_port_mac_addr() - Retrieve MAC address associated to the physical @@ -876,6 +969,60 @@ int dpni_get_port_mac_addr(struct fsl_mc_io *mc_io, uint8_t mac_addr[6]); /** + * dpni_enable_vlan_filter() - Enable/disable VLAN filtering mode + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @en: Set to '1' to enable; '0' to disable + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_enable_vlan_filter(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + int en); + +/** + * dpni_add_vlan_id() - Add VLAN ID filter + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @vlan_id: VLAN ID to add + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_add_vlan_id(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + uint16_t vlan_id); + +/** + * dpni_remove_vlan_id() - Remove VLAN ID filter + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @vlan_id: VLAN ID to remove + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_remove_vlan_id(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + uint16_t vlan_id); + +/** + * dpni_clear_vlan_filters() - Clear all VLAN filters + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_clear_vlan_filters(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token); + +/** * enum dpni_dist_mode - DPNI distribution mode * @DPNI_DIST_MODE_NONE: No distribution * @DPNI_DIST_MODE_HASH: Use hash distribution; only relevant if @@ -961,6 +1108,16 @@ int dpni_set_rx_tc_dist(struct fsl_mc_io *mc_io, uint16_t token, uint8_t tc_id, const struct dpni_rx_tc_dist_cfg *cfg); +/** + * enum dpni_congestion_unit - DPNI congestion units + * @DPNI_CONGESTION_UNIT_BYTES: bytes units + * @DPNI_CONGESTION_UNIT_FRAMES: frames units + */ +enum dpni_congestion_unit { + DPNI_CONGESTION_UNIT_BYTES = 0, + DPNI_CONGESTION_UNIT_FRAMES +}; + /** * enum dpni_dest - DPNI destination types @@ -981,6 +1138,119 @@ enum dpni_dest { DPNI_DEST_DPCON = 2 }; +/** + * struct dpni_dest_cfg - Structure representing DPNI destination parameters + * @dest_type: Destination type + * @dest_id: Either DPIO ID or DPCON ID, depending on the destination type + * @priority: Priority selection within the DPIO or DPCON channel; valid values + * are 0-1 or 0-7, depending on the number of priorities in that + * channel; not relevant for 'DPNI_DEST_NONE' option + */ +struct dpni_dest_cfg { + enum dpni_dest dest_type; + int dest_id; + uint8_t priority; +}; + +/* DPNI congestion options */ + +/** + * CSCN message is written to message_iova once entering a + * congestion state (see 'threshold_entry') + */ +#define DPNI_CONG_OPT_WRITE_MEM_ON_ENTER 0x00000001 +/** + * CSCN message is written to message_iova once exiting a + * congestion state (see 'threshold_exit') + */ +#define DPNI_CONG_OPT_WRITE_MEM_ON_EXIT 0x00000002 +/** + * CSCN write will attempt to allocate into a cache (coherent write); + * valid only if 'DPNI_CONG_OPT_WRITE_MEM_<X>' is selected + */ +#define DPNI_CONG_OPT_COHERENT_WRITE 0x00000004 +/** + * if 'dest_cfg.dest_type != DPNI_DEST_NONE' CSCN message is sent to + * DPIO/DPCON's WQ channel once entering a congestion state + * (see 'threshold_entry') + */ +#define DPNI_CONG_OPT_NOTIFY_DEST_ON_ENTER 0x00000008 +/** + * if 'dest_cfg.dest_type != DPNI_DEST_NONE' CSCN message is sent to + * DPIO/DPCON's WQ channel once exiting a congestion state + * (see 'threshold_exit') + */ +#define DPNI_CONG_OPT_NOTIFY_DEST_ON_EXIT 0x00000010 +/** + * if 'dest_cfg.dest_type != DPNI_DEST_NONE' when the CSCN is written to the + * sw-portal's DQRR, the DQRI interrupt is asserted immediately (if enabled) + */ +#define DPNI_CONG_OPT_INTR_COALESCING_DISABLED 0x00000020 + +/** + * struct dpni_congestion_notification_cfg - congestion notification + * configuration + * @units: units type + * @threshold_entry: above this threshold we enter a congestion state. + * set it to '0' to disable it + * @threshold_exit: below this threshold we exit the congestion state. + * @message_ctx: The context that will be part of the CSCN message + * @message_iova: I/O virtual address (must be in DMA-able memory), + * must be 16B aligned; valid only if 'DPNI_CONG_OPT_WRITE_MEM_<X>' is + * contained in 'options' + * @dest_cfg: CSCN can be send to either DPIO or DPCON WQ channel + * @notification_mode: Mask of available options; use 'DPNI_CONG_OPT_<X>' values + */ + +struct dpni_congestion_notification_cfg { + enum dpni_congestion_unit units; + uint32_t threshold_entry; + uint32_t threshold_exit; + uint64_t message_ctx; + uint64_t message_iova; + struct dpni_dest_cfg dest_cfg; + uint16_t notification_mode; +}; + +/** + * dpni_set_congestion_notification() - Set traffic class congestion + * notification configuration + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @qtype: Type of queue - Rx, Tx and Tx confirm types are supported + * @tc_id: Traffic class selection (0-7) + * @cfg: congestion notification configuration + * + * Return: '0' on Success; error code otherwise. + */ +int dpni_set_congestion_notification( + struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + enum dpni_queue_type qtype, + uint8_t tc_id, + const struct dpni_congestion_notification_cfg *cfg); + +/** + * dpni_get_congestion_notification() - Get traffic class congestion + * notification configuration + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @qtype: Type of queue - Rx, Tx and Tx confirm types are supported + * @tc_id: Traffic class selection (0-7) + * @cfg: congestion notification configuration + * + * Return: '0' on Success; error code otherwise. + */ +int dpni_get_congestion_notification(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + enum dpni_queue_type qtype, + uint8_t tc_id, + struct dpni_congestion_notification_cfg *cfg); + /** * struct dpni_queue - Queue structure @@ -1077,6 +1347,8 @@ enum dpni_confirmation_mode { * Calling this function with 'mode' set to DPNI_CONF_SINGLE switches all * Tx confirmations to a shared Tx conf queue. The ID of the queue when * calling dpni_set/get_queue is -1. + * Tx confirmation mode can only be changed while the DPNI is disabled. + * Executing this command while the DPNI is enabled will return an error. * * Return: '0' on Success; Error code otherwise. */ @@ -1214,4 +1486,89 @@ int dpni_reset_statistics(struct fsl_mc_io *mc_io, uint32_t cmd_flags, uint16_t token); +/** + * enum dpni_congestion_point - Structure representing congestion point + * @DPNI_CP_QUEUE: Set taildrop per queue, identified by QUEUE_TYPE, TC and + * QUEUE_INDEX + * @DPNI_CP_GROUP: Set taildrop per queue group. Depending on options used + * to define the DPNI this can be either per + * TC (default) or per interface + * (DPNI_OPT_SHARED_CONGESTION set at DPNI create). + * QUEUE_INDEX is ignored if this type is used. + */ +enum dpni_congestion_point { + DPNI_CP_QUEUE, + DPNI_CP_GROUP, +}; + +/** + * struct dpni_taildrop - Structure representing the taildrop + * @enable: Indicates whether the taildrop is active or not. + * @units: Indicates the unit of THRESHOLD. Queue taildrop only + * supports byte units, this field is ignored and + * assumed = 0 if CONGESTION_POINT is 0. + * @threshold: Threshold value, in units identified by UNITS field. Value 0 + * cannot be used as a valid taildrop threshold, + * THRESHOLD must be > 0 if the taildrop is + * enabled. + */ +struct dpni_taildrop { + char enable; + enum dpni_congestion_unit units; + uint32_t threshold; +}; + +/** + * dpni_set_taildrop() - Set taildrop per queue or TC + * + * Setting a per-TC taildrop (cg_point = DPNI_CP_GROUP) will reset any current + * congestion notification or early drop (WRED) configuration previously applied + * to the same TC. + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @cg_point: Congestion point. DPNI_CP_QUEUE is only supported in + * combination with DPNI_QUEUE_RX. + * @q_type: Queue type, can be DPNI_QUEUE_RX or DPNI_QUEUE_TX. + * @tc: Traffic class to apply this taildrop to + * @q_index: Index of the queue if the DPNI supports multiple queues for + * traffic distribution. + * Ignored if CONGESTION_POINT is not DPNI_CP_QUEUE. + * @taildrop: Taildrop structure + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_set_taildrop(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + enum dpni_congestion_point cg_point, + enum dpni_queue_type q_type, + uint8_t tc, + uint8_t q_index, + struct dpni_taildrop *taildrop); + +/** + * dpni_get_taildrop() - Get taildrop information + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPNI object + * @cg_point: Congestion point + * @q_type: + * @tc: Traffic class to apply this taildrop to + * @q_index: Index of the queue if the DPNI supports multiple queues for + * traffic distribution. Ignored if CONGESTION_POINT + * is not 0. + * @taildrop: Taildrop structure + * + * Return: '0' on Success; Error code otherwise. + */ +int dpni_get_taildrop(struct fsl_mc_io *mc_io, + uint32_t cmd_flags, + uint16_t token, + enum dpni_congestion_point cg_point, + enum dpni_queue_type q_type, + uint8_t tc, + uint8_t q_index, + struct dpni_taildrop *taildrop); #endif /* __FSL_DPNI_H */ |