Files
android_kernel_samsung_sm86…/dp/wifi3.0/dp_rx_mon.h
Amir 76ab3fc618 qcacmn: Change monitor ring reap sequence for qcn9000
For qcn9000 in case of monitor mode, reap monitor destination
ring first and status ring later to avoid backpressure
on monitor destination ring

Change-Id: I4e1931afe0453221f1326ca7bdb7f0273cc7363d
CRs-Fixed: 2670656
2020-04-26 23:54:04 -07:00

392 خطوط
11 KiB
C

/*
* Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _DP_RX_MON_H_
#define _DP_RX_MON_H_
/*
* dp_rx_mon_status_process() - Process monitor status ring and
*>.....TLV in status ring.
*
* @soc: core txrx main context
* @mac_id: mac_id which is one of 3 mac_ids
* @quota: No. of ring entry that can be serviced in one shot.
* Return: uint32_t: No. of ring entry that is processed.
*/
uint32_t
dp_rx_mon_status_process(struct dp_soc *soc, uint32_t mac_id, uint32_t quota);
/**
* dp_rx_mon_dest_process() - Brain of the Rx processing functionality
* Called from the bottom half (tasklet/NET_RX_SOFTIRQ)
* @soc: core txrx main context 164
* @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced
* @quota: No. of units (packets) that can be serviced in one shot.
*
* This function implements the core of Rx functionality. This is
* expected to handle only non-error frames.
*
* Return: uint32_t: No. of elements processed
*/
void dp_rx_mon_dest_process(struct dp_soc *soc, uint32_t mac_id,
uint32_t quota);
QDF_STATUS dp_rx_pdev_mon_attach(struct dp_pdev *pdev);
QDF_STATUS dp_rx_pdev_mon_detach(struct dp_pdev *pdev);
QDF_STATUS dp_rx_pdev_mon_status_attach(struct dp_pdev *pdev, int mac_id);
QDF_STATUS dp_rx_pdev_mon_status_detach(struct dp_pdev *pdev, int mac_id);
#ifdef QCA_SUPPORT_FULL_MON
/**
* dp_full_mon_attach() - Full monitor mode attach
* This API initilises full monitor mode resources
*
* @pdev: dp pdev object
*
* Return: void
*
*/
void dp_full_mon_attach(struct dp_pdev *pdev);
/**
* dp_full_mon_detach() - Full monitor mode attach
* This API deinitilises full monitor mode resources
*
* @pdev: dp pdev object
*
* Return: void
*
*/
void dp_full_mon_detach(struct dp_pdev *pdev);
/**
* dp_rx_mon_process ()- API to process monitor destination ring for
* full monitor mode
*
* @soc: dp soc handle
* @mac_id: lmac id
* @quota: No. of ring entry that can be serviced in one shot.
*/
uint32_t dp_rx_mon_process(struct dp_soc *soc, uint32_t mac_id, uint32_t quota);
#else
/**
* dp_full_mon_attach() - attach full monitor mode resources
* @pdev: Datapath PDEV handle
*
* Return: void
*/
static inline void dp_full_mon_attach(struct dp_pdev *pdev)
{
}
/**
* dp_full_mon_detach() - detach full monitor mode resources
* @pdev: Datapath PDEV handle
*
* Return: void
*
*/
static inline void dp_full_mon_detach(struct dp_pdev *pdev)
{
}
#endif
/**
* dp_reset_monitor_mode() - Disable monitor mode
* @pdev_handle: Datapath PDEV handle
*
* Return: QDF_STATUS
*/
QDF_STATUS dp_reset_monitor_mode(struct cdp_soc_t *soc_hdl,
uint8_t pdev_id,
uint8_t smart_monitor);
/**
* dp_mon_link_free() - free monitor link desc pool
* @pdev: core txrx pdev context
*
* This function will release DP link desc pool for monitor mode from
* main device context.
*
* Return: QDF_STATUS_SUCCESS: success
* QDF_STATUS_E_RESOURCES: Error return
*/
QDF_STATUS dp_mon_link_free(struct dp_pdev *pdev);
uint32_t dp_mon_process(struct dp_soc *soc, uint32_t mac_id, uint32_t quota);
QDF_STATUS dp_rx_mon_deliver(struct dp_soc *soc, uint32_t mac_id,
qdf_nbuf_t head_msdu, qdf_nbuf_t tail_msdu);
/*
* dp_rx_mon_deliver_non_std() - deliver frames for non standard path
* @soc: core txrx main contex
* @mac_id: MAC ID
*
* This function delivers the radio tap and dummy MSDU
* into user layer application for preamble only PPDU.
*
* Return: Operation status
*/
QDF_STATUS dp_rx_mon_deliver_non_std(struct dp_soc *soc, uint32_t mac_id);
/**
* dp_rxdma_err_process() - RxDMA error processing functionality
* @soc: core txrx main contex
* @mac_id: mac id which is one of 3 mac_ids
* @hal_ring: opaque pointer to the HAL Rx Ring, which will be serviced
* @quota: No. of units (packets) that can be serviced in one shot.
*
* Return: num of buffers processed
*/
uint32_t dp_rxdma_err_process(struct dp_intr *int_ctx, struct dp_soc *soc,
uint32_t mac_id, uint32_t quota);
/**
* dp_mon_buf_delayed_replenish() - Helper routine to replenish monitor dest buf
* @pdev: DP pdev object
*
* Return: None
*/
void dp_mon_buf_delayed_replenish(struct dp_pdev *pdev);
/**
* dp_rx_mon_link_desc_return() - Return a MPDU link descriptor to HW
* (WBM), following error handling
*
* @dp_pdev: core txrx pdev context
* @buf_addr_info: void pointer to monitor link descriptor buf addr info
* Return: QDF_STATUS
*/
QDF_STATUS
dp_rx_mon_link_desc_return(struct dp_pdev *dp_pdev,
hal_buff_addrinfo_t buf_addr_info,
int mac_id);
/**
* dp_mon_adjust_frag_len() - MPDU and MSDU may spread across
* multiple nbufs. This function
* is to return data length in
* fragmented buffer
*
* @total_len: pointer to remaining data length.
* @frag_len: pointer to data length in this fragment.
*/
static inline void dp_mon_adjust_frag_len(uint32_t *total_len,
uint32_t *frag_len)
{
if (*total_len >= (RX_MONITOR_BUFFER_SIZE - RX_PKT_TLVS_LEN)) {
*frag_len = RX_MONITOR_BUFFER_SIZE - RX_PKT_TLVS_LEN;
*total_len -= *frag_len;
} else {
*frag_len = *total_len;
*total_len = 0;
}
}
/**
* dp_rx_cookie_2_mon_link_desc() - Retrieve Link descriptor based on target
* @pdev: core physical device context
* @hal_buf_info: structure holding the buffer info
* mac_id: mac number
*
* Return: link descriptor address
*/
static inline
void *dp_rx_cookie_2_mon_link_desc(struct dp_pdev *pdev,
struct hal_buf_info buf_info,
uint8_t mac_id)
{
if (pdev->soc->wlan_cfg_ctx->rxdma1_enable)
return dp_rx_cookie_2_mon_link_desc_va(pdev, &buf_info,
mac_id);
return dp_rx_cookie_2_link_desc_va(pdev->soc, &buf_info);
}
/**
* dp_rx_monitor_link_desc_return() - Return Link descriptor based on target
* @pdev: core physical device context
* @p_last_buf_addr_info: MPDU Link descriptor
* mac_id: mac number
*
* Return: QDF_STATUS
*/
static inline
QDF_STATUS dp_rx_monitor_link_desc_return(struct dp_pdev *pdev,
hal_buff_addrinfo_t
p_last_buf_addr_info,
uint8_t mac_id, uint8_t bm_action)
{
if (pdev->soc->wlan_cfg_ctx->rxdma1_enable)
return dp_rx_mon_link_desc_return(pdev, p_last_buf_addr_info,
mac_id);
return dp_rx_link_desc_return_by_addr(pdev->soc, p_last_buf_addr_info,
bm_action);
}
/**
* dp_rxdma_get_mon_dst_ring() - Return the pointer to rxdma_err_dst_ring
* or mon_dst_ring based on the target
* @pdev: core physical device context
* @mac_for_pdev: mac_id number
*
* Return: ring address
*/
static inline
void *dp_rxdma_get_mon_dst_ring(struct dp_pdev *pdev,
uint8_t mac_for_pdev)
{
if (pdev->soc->wlan_cfg_ctx->rxdma1_enable)
return pdev->soc->rxdma_mon_dst_ring[mac_for_pdev].hal_srng;
return pdev->soc->rxdma_err_dst_ring[mac_for_pdev].hal_srng;
}
/**
* dp_rxdma_get_mon_buf_ring() - Return monitor buf ring address
* based on target
* @pdev: core physical device context
* @mac_for_pdev: mac id number
*
* Return: ring address
*/
static inline
struct dp_srng *dp_rxdma_get_mon_buf_ring(struct dp_pdev *pdev,
uint8_t mac_for_pdev)
{
if (pdev->soc->wlan_cfg_ctx->rxdma1_enable)
return &pdev->soc->rxdma_mon_buf_ring[mac_for_pdev];
/* For MCL there is only 1 rx refill ring */
return &pdev->soc->rx_refill_buf_ring[0];
}
/**
* dp_rx_get_mon_desc_pool() - Return monitor descriptor pool
* based on target
* @soc: soc handle
* @mac_id: mac id number
* @pdev_id: pdev id number
*
* Return: descriptor pool address
*/
static inline
struct rx_desc_pool *dp_rx_get_mon_desc_pool(struct dp_soc *soc,
uint8_t mac_id,
uint8_t pdev_id)
{
if (soc->wlan_cfg_ctx->rxdma1_enable)
return &soc->rx_desc_mon[mac_id];
return &soc->rx_desc_buf[pdev_id];
}
/**
* dp_rx_get_mon_desc() - Return Rx descriptor based on target
* @soc: soc handle
* @cookie: cookie value
*
* Return: Rx descriptor
*/
static inline
struct dp_rx_desc *dp_rx_get_mon_desc(struct dp_soc *soc,
uint32_t cookie)
{
if (soc->wlan_cfg_ctx->rxdma1_enable)
return dp_rx_cookie_2_va_mon_buf(soc, cookie);
return dp_rx_cookie_2_va_rxdma_buf(soc, cookie);
}
#ifndef REMOVE_MON_DBG_STATS
/*
* dp_rx_mon_update_dbg_ppdu_stats() - Update status ring TLV count
* @ppdu_info: HAL RX PPDU info retrieved from status ring TLV
* @rx_mon_stats: monitor mode status/destination ring PPDU and MPDU count
*
* Update status ring PPDU start and end count. Keep track TLV state on
* PPDU start and end to find out if start and end is matching. Keep
* track missing PPDU start and end count. Keep track matching PPDU
* start and end count.
*
* Return: None
*/
static inline void
dp_rx_mon_update_dbg_ppdu_stats(struct hal_rx_ppdu_info *ppdu_info,
struct cdp_pdev_mon_stats *rx_mon_stats)
{
if (ppdu_info->rx_state ==
HAL_RX_MON_PPDU_START) {
rx_mon_stats->status_ppdu_start++;
if (rx_mon_stats->status_ppdu_state
!= CDP_MON_PPDU_END)
rx_mon_stats->status_ppdu_end_mis++;
rx_mon_stats->status_ppdu_state
= CDP_MON_PPDU_START;
ppdu_info->rx_state = HAL_RX_MON_PPDU_RESET;
} else if (ppdu_info->rx_state ==
HAL_RX_MON_PPDU_END) {
rx_mon_stats->status_ppdu_end++;
if (rx_mon_stats->status_ppdu_state
!= CDP_MON_PPDU_START)
rx_mon_stats->status_ppdu_start_mis++;
else
rx_mon_stats->status_ppdu_compl++;
rx_mon_stats->status_ppdu_state
= CDP_MON_PPDU_END;
ppdu_info->rx_state = HAL_RX_MON_PPDU_RESET;
}
}
/*
* dp_rx_mon_init_dbg_ppdu_stats() - initialization for monitor mode stats
* @ppdu_info: HAL RX PPDU info retrieved from status ring TLV
* @rx_mon_stats: monitor mode status/destination ring PPDU and MPDU count
*
* Return: None
*/
static inline void
dp_rx_mon_init_dbg_ppdu_stats(struct hal_rx_ppdu_info *ppdu_info,
struct cdp_pdev_mon_stats *rx_mon_stats)
{
ppdu_info->rx_state = HAL_RX_MON_PPDU_END;
rx_mon_stats->status_ppdu_state
= CDP_MON_PPDU_END;
}
#else
static inline void
dp_rx_mon_update_dbg_ppdu_stats(struct hal_rx_ppdu_info *ppdu_info,
struct cdp_pdev_mon_stats *rx_mon_stats)
{
}
static inline void
dp_rx_mon_init_dbg_ppdu_stats(struct hal_rx_ppdu_info *ppdu_info,
struct cdp_pdev_mon_stats *rx_mon_stats)
{
}
#endif
#endif