ced7ea6cf2
Adds support for flow control on convergence branch. Allocate Tx descriptors dynamically when vdev comes up. Tx queue is paused and unpaused internally in host based on the stop and start thresholds. Changes are added under compilation flag QCA_LL_TX_FLOW_CONTROL_V2. Change-Id: I0ccb80b0099f39efad52ccd7d47f2709fdee2a93 CRs-Fixed: 2040457
497 lines
14 KiB
C
497 lines
14 KiB
C
/*
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* * Copyright (c) 2013-2017 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef __WLAN_CFG_H
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#define __WLAN_CFG_H
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/*
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* Temporary place holders. These should come either from target config
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* or platform configuration
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*/
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#if defined(CONFIG_MCL)
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#define MAX_PDEV_CNT 1
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#else
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#define MAX_PDEV_CNT 3
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#endif
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/* Tx configuration */
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#define MAX_LINK_DESC_BANKS 8
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#define MAX_TXDESC_POOLS 4
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#define MAX_TCL_DATA_RINGS 4
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#define DP_MAX_TX_RINGS 8
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#define MAX_TX_HW_QUEUES 3
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/* Rx configuration */
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#define MAX_RXDESC_POOLS 4
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#define MAX_REO_DEST_RINGS 4
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#define DP_MAX_RX_RINGS 8
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#define MAX_RX_MAC_RINGS 2
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/* Miscellaneous configuration */
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#define MAX_IDLE_SCATTER_BUFS 16
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#define DP_MAX_IRQ_PER_CONTEXT 12
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#define DP_MAX_INTERRUPT_CONTEXTS 8
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#define DP_MAX_INTERRUPT_CONTEXTS 8
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#define MAX_HTT_METADATA_LEN 32
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#define MAX_NUM_PEER_ID_PER_PEER 8
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#define DP_MAX_TIDS 17
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#define DP_NON_QOS_TID 16
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struct wlan_cfg_dp_pdev_ctxt;
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struct wlan_cfg_dp_soc_ctxt;
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/**
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* wlan_cfg_soc_attach() - Attach configuration interface for SoC
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*
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* Allocates context for Soc configuration parameters,
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* Read configuration information from device tree/ini file and
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* returns back handle
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*
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* Return: Handle to configuration context
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*/
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struct wlan_cfg_dp_soc_ctxt *wlan_cfg_soc_attach(void);
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/**
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* wlan_cfg_soc_detach() - Detach soc configuration handle
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* @wlan_cfg_ctx: soc configuration handle
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*
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* De-allocates memory allocated for SoC configuration
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*
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* Return:none
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*/
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void wlan_cfg_soc_detach(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/**
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* wlan_cfg_pdev_attach() Attach configuration interface for pdev
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*
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* Allocates context for pdev configuration parameters,
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* Read configuration information from device tree/ini file and
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* returns back handle
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*
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* Return: Handle to configuration context
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*/
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struct wlan_cfg_dp_pdev_ctxt *wlan_cfg_pdev_attach(void);
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/**
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* wlan_cfg_pdev_detach() Detach and free pdev configuration handle
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* @wlan_cfg_pdev_ctx - PDEV Configuration Handle
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*
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* Return: void
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*/
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void wlan_cfg_pdev_detach(struct wlan_cfg_dp_pdev_ctxt *wlan_cfg_pdev_ctx);
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void wlan_cfg_set_num_contexts(struct wlan_cfg_dp_soc_ctxt *cfg, int num);
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void wlan_cfg_set_tx_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context, int mask);
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void wlan_cfg_set_rx_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context, int mask);
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void wlan_cfg_set_rx_mon_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context, int mask);
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void wlan_cfg_set_ce_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context, int mask);
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void wlan_cfg_set_rxbuf_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg, int context,
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int mask);
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void wlan_cfg_set_max_peer_id(struct wlan_cfg_dp_soc_ctxt *cfg, uint32_t val);
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int wlan_cfg_set_rx_err_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context, int mask);
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int wlan_cfg_set_rx_wbm_rel_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context, int mask);
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int wlan_cfg_set_reo_status_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context, int mask);
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int wlan_cfg_get_rx_err_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context);
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int wlan_cfg_get_rx_wbm_rel_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context);
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int wlan_cfg_get_reo_status_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context);
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/**
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* wlan_cfg_get_num_contexts() - Number of interrupt contexts to be registered
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* @wlan_cfg_ctx - Configuration Handle
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*
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* For WIN, DP_NUM_INTERRUPT_CONTEXTS will be equal to number of CPU cores.
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* Each context (for linux it is a NAPI context) will have a tx_ring_mask,
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* rx_ring_mask ,and rx_monitor_ring mask to indicate the rings
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* that are processed by the handler.
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*
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* Return: num_contexts
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*/
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int wlan_cfg_get_num_contexts(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/**
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* wlan_cfg_get_tx_ring_mask() - Return Tx interrupt mask mapped to an
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* interrupt context
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* @wlan_cfg_ctx - Configuration Handle
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* @context - Numerical ID identifying the Interrupt/NAPI context
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*
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* Return: int_tx_ring_mask[context]
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*/
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int wlan_cfg_get_tx_ring_mask(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx,
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int context);
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/**
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* wlan_cfg_get_rx_ring_mask() - Return Rx interrupt mask mapped to an
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* interrupt context
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* @wlan_cfg_ctx - Configuration Handle
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* @context - Numerical ID identifying the Interrupt/NAPI context
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*
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* Return: int_rx_ring_mask[context]
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*/
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int wlan_cfg_get_rx_ring_mask(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx,
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int context);
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/**
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* wlan_cfg_get_rx_mon_ring_mask() - Return Rx monitor ring interrupt mask
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* mapped to an interrupt context
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* @wlan_cfg_ctx - Configuration Handle
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* @context - Numerical ID identifying the Interrupt/NAPI context
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*
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* Return: int_rx_mon_ring_mask[context]
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*/
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int wlan_cfg_get_rx_mon_ring_mask(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx,
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int context);
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/**
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* wlan_cfg_set_rxdma2host_ring_mask() - Set rxdma2host ring interrupt mask
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* for the given interrupt context
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* @wlan_cfg_ctx - Configuration Handle
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* @context - Numerical ID identifying the Interrupt/NAPI context
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*
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*/
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void wlan_cfg_set_rxdma2host_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context, int mask);
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/**
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* wlan_cfg_get_rxdma2host_ring_mask() - Return rxdma2host ring interrupt mask
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* mapped to an interrupt context
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* @wlan_cfg_ctx - Configuration Handle
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* @context - Numerical ID identifying the Interrupt/NAPI context
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*
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* Return: int_rxdma2host_ring_mask[context]
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*/
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int wlan_cfg_get_rxdma2host_ring_mask(struct wlan_cfg_dp_soc_ctxt *cfg,
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int context);
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/**
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* wlan_cfg_set_hw_macid() - Set HW MAC Id for the given PDEV index
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*
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* @wlan_cfg_ctx - Configuration Handle
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* @pdev_idx - Index of SW PDEV
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* @hw_macid - HW MAC Id
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*
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*/
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void wlan_cfg_set_hw_macid(struct wlan_cfg_dp_soc_ctxt *cfg, int pdev_idx,
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int hw_macid);
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/**
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* wlan_cfg_get_hw_macid() - Get HW MAC Id for the given PDEV index
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*
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* @wlan_cfg_ctx - Configuration Handle
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* @pdev_idx - Index of SW PDEV
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*
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* Return: HW MAC Id
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*/
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int wlan_cfg_get_hw_macid(struct wlan_cfg_dp_soc_ctxt *cfg, int pdev_idx);
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/**
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* wlan_cfg_get_hw_mac_idx() - Get 0 based HW MAC index for the given
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* PDEV index
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*
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* @wlan_cfg_ctx - Configuration Handle
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* @pdev_idx - Index of SW PDEV
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*
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* Return: HW MAC index
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*/
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int wlan_cfg_get_hw_mac_idx(struct wlan_cfg_dp_soc_ctxt *cfg, int pdev_idx);
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/**
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* wlan_cfg_get_ce_ring_mask() - Return CE ring interrupt mask
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* mapped to an interrupt context
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* @wlan_cfg_ctx - Configuration Handle
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* @context - Numerical ID identifying the Interrupt/NAPI context
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*
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* Return: int_ce_ring_mask[context]
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*/
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int wlan_cfg_get_ce_ring_mask(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx,
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int context);
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/**
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* wlan_cfg_get_max_clients() - Return maximum number of peers/stations
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* supported by device
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* @wlan_cfg_ctx - Configuration Handle
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*
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* Return: max_clients
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*/
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uint32_t wlan_cfg_get_max_clients(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/**
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* wlan_cfg_max_alloc_size() - Return Maximum allocation size for any dynamic
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* memory allocation request for this device
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* @wlan_cfg_ctx - Configuration Handle
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*
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* Return: max_alloc_size
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*/
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uint32_t wlan_cfg_max_alloc_size(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_per_pdev_tx_ring() - Return true if Tx rings are mapped as
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* one per radio
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* @wlan_cfg_ctx - Configuration Handle
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*
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* Return: per_pdev_tx_ring
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*/
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int wlan_cfg_per_pdev_tx_ring(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_num_tcl_data_rings() - Number of TCL Data rings supported by device
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* @wlan_cfg_ctx
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*
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* Return: num_tcl_data_rings
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*/
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int wlan_cfg_num_tcl_data_rings(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_per_pdev_rx_ring() - Return true if Rx rings are mapped as
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* one per radio
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* @wlan_cfg_ctx
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*
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* Return: per_pdev_rx_ring
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*/
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int wlan_cfg_per_pdev_rx_ring(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_num_reo_dest_rings() - Number of REO Data rings supported by device
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* @wlan_cfg_ctx - Configuration Handle
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*
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* Return: num_reo_dest_rings
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*/
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int wlan_cfg_num_reo_dest_rings(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_pkt_type() - Default 802.11 encapsulation type
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* @wlan_cfg_ctx - Configuration Handle
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*
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* Return: htt_pkt_type_ethernet
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*/
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int wlan_cfg_pkt_type(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_get_num_tx_desc_pool() - Number of Tx Descriptor pools for the
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* device
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* @wlan_cfg_ctx - Configuration Handle
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*
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* Return: num_tx_desc_pool
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*/
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int wlan_cfg_get_num_tx_desc_pool(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_get_num_tx_ext_desc_pool() - Number of Tx MSDU ext Descriptor
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* pools
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* @wlan_cfg_ctx - Configuration Handle
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*
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* Return: num_tx_ext_desc_pool
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*/
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int wlan_cfg_get_num_tx_ext_desc_pool(
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struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_get_num_tx_desc() - Number of Tx Descriptors per pool
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* @wlan_cfg_ctx - Configuration Handle
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*
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* Return: num_tx_desc
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*/
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int wlan_cfg_get_num_tx_desc(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_get_num_tx_ext_desc() - Number of Tx MSDU extension Descriptors
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* per pool
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* @wlan_cfg_ctx - Configuration Handle
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*
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* Return: num_tx_ext_desc
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*/
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int wlan_cfg_get_num_tx_ext_desc(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
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/*
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* wlan_cfg_max_peer_id() - Get maximum peer ID
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* @cfg: Configuration Handle
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*
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* Return: maximum peer ID
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*/
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uint32_t wlan_cfg_max_peer_id(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_get_dma_mon_buf_ring_size() - Return Size of monitor buffer ring
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* @wlan_cfg_pdev_ctx
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*
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* Return: dma_mon_buf_ring_size
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*/
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int wlan_cfg_get_dma_mon_buf_ring_size(
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struct wlan_cfg_dp_pdev_ctxt *wlan_cfg_pdev_ctx);
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/*
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* wlan_cfg_get_dma_mon_dest_ring_size() - Return Size of RxDMA Monitor
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* Destination ring
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* @wlan_cfg_pdev_ctx
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*
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* Return: dma_mon_dest_size
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*/
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int wlan_cfg_get_dma_mon_dest_ring_size(
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struct wlan_cfg_dp_pdev_ctxt *wlan_cfg_pdev_ctx);
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/*
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* wlan_cfg_get_dma_mon_stat_ring_size() - Return size of Monitor Status ring
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* @wlan_cfg_pdev_ctx
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*
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* Return: dma_mon_stat_ring_size
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*/
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int wlan_cfg_get_dma_mon_stat_ring_size(
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struct wlan_cfg_dp_pdev_ctxt *wlan_cfg_pdev_ctx);
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/*
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* wlan_cfg_get_rx_dma_buf_ring_size() - Return Size of RxDMA buffer ring
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* @wlan_cfg_pdev_ctx
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*
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* Return: rx_dma_buf_ring_size
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*/
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int wlan_cfg_get_rx_dma_buf_ring_size(
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struct wlan_cfg_dp_pdev_ctxt *wlan_cfg_pdev_ctx);
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/*
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* wlan_cfg_get_num_mac_rings() - Return the number of MAC RX DMA rings
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* per pdev
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* @wlan_cfg_pdev_ctx
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*
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* Return: number of mac DMA rings per pdev
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*/
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int wlan_cfg_get_num_mac_rings(struct wlan_cfg_dp_pdev_ctxt *cfg);
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/*
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* wlan_cfg_is_lro_enabled - Return LRO enabled/disabled
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* @wlan_cfg_pdev_ctx
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*
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* Return: true - LRO enabled false - LRO disabled
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*/
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bool wlan_cfg_is_lro_enabled(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_is_lro_enabled - Return RX hash enabled/disabled
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* @wlan_cfg_pdev_ctx
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*
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* Return: true - enabled false - disabled
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*/
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bool wlan_cfg_is_rx_hash_enabled(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_get_dp_pdev_nss_enabled - Return pdev nss enabled/disabled
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* @wlan_cfg_pdev_ctx
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*
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* Return: 1 - enabled 0 - disabled
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*/
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int wlan_cfg_get_dp_pdev_nss_enabled(struct wlan_cfg_dp_pdev_ctxt *cfg);
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/*
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* wlan_cfg_set_dp_pdev_nss_enabled - set pdev nss enabled/disabled
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* @wlan_cfg_pdev_ctx
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*/
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void wlan_cfg_set_dp_pdev_nss_enabled(struct wlan_cfg_dp_pdev_ctxt *cfg, int nss_enabled);
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/*
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* wlan_cfg_get_dp_soc_nss_cfg - Return soc nss config
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* @wlan_cfg_pdev_ctx
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*
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* Return: nss_cfg
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*/
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int wlan_cfg_get_dp_soc_nss_cfg(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_set_dp_soc_nss_cfg - set soc nss config
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* @wlan_cfg_pdev_ctx
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*
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*/
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void wlan_cfg_set_dp_soc_nss_cfg(struct wlan_cfg_dp_soc_ctxt *cfg, int nss_cfg);
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/*
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* wlan_cfg_get_int_batch_threshold_tx - Get interrupt mitigation cfg for Tx
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* @wlan_cfg_soc_ctx
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*
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* Return: Batch threshold
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*/
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int wlan_cfg_get_int_batch_threshold_tx(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_get_int_timer_threshold_tx - Get interrupt mitigation cfg for Tx
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* @wlan_cfg_soc_ctx
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*
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* Return: Timer threshold
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*/
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int wlan_cfg_get_int_timer_threshold_tx(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_get_int_batch_threshold_rx - Get interrupt mitigation cfg for Rx
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* @wlan_cfg_soc_ctx
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*
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* Return: Batch threshold
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*/
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int wlan_cfg_get_int_batch_threshold_rx(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_get_int_batch_threshold_rx - Get interrupt mitigation cfg for Rx
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* @wlan_cfg_soc_ctx
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*
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* Return: Timer threshold
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*/
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int wlan_cfg_get_int_timer_threshold_rx(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_get_int_batch_threshold_tx - Get interrupt mitigation cfg for other srngs
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* @wlan_cfg_soc_ctx
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*
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* Return: Batch threshold
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*/
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int wlan_cfg_get_int_batch_threshold_other(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_get_int_batch_threshold_tx - Get interrupt mitigation cfg for other srngs
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* @wlan_cfg_soc_ctx
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*
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* Return: Timer threshold
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*/
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int wlan_cfg_get_int_timer_threshold_other(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_tx_ring_size - Get Tx DMA ring size (TCL Data Ring)
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* @wlan_cfg_soc_ctx
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*
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* Return: Tx Ring Size
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*/
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int wlan_cfg_tx_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg);
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/*
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* wlan_cfg_tx_comp_ring_size - Get Tx completion ring size (WBM Ring)
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* @wlan_cfg_soc_ctx
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*
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* Return: Tx Completion ring size
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*/
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int wlan_cfg_tx_comp_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg);
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#ifdef QCA_LL_TX_FLOW_CONTROL_V2
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int wlan_cfg_get_tx_flow_stop_queue_th(struct wlan_cfg_dp_soc_ctxt *cfg);
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int wlan_cfg_get_tx_flow_start_queue_offset(struct wlan_cfg_dp_soc_ctxt *cfg);
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#endif /* QCA_LL_TX_FLOW_CONTROL_V2 */
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#endif
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