mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-09 05:39:54 -04:00
qcacmn: add Tx descriptor history in Tx and comp rings
Add the history support to log Tx descriptors programmed in Tx and completion HW rings. Change-Id: I60954c93e2595e7dad1251c459eed8afc761e917 CRs-Fixed: 2924614
This commit is contained in:
Vevek Venkatesan
parent
0885ca51f4
commit
4dc399fb8b
4 changed files with 246 additions and 0 deletions
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@ -4298,6 +4298,62 @@ static inline void dp_soc_rx_history_detach(struct dp_soc *soc)
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}
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#endif
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#ifdef WLAN_FEATURE_DP_TX_DESC_HISTORY
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/**
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* dp_soc_tx_history_attach() - Attach the ring history record buffers
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* @soc: DP soc structure
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*
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* This function allocates the memory for recording the tx tcl ring and
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* the tx comp ring entries. There is no error returned in case
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* of allocation failure since the record function checks if the history is
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* initialized or not. We do not want to fail the driver load in case of
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* failure to allocate memory for debug history.
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*
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* Returns: None
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*/
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static void dp_soc_tx_history_attach(struct dp_soc *soc)
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{
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uint32_t tx_tcl_hist_size;
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uint32_t tx_comp_hist_size;
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tx_tcl_hist_size = sizeof(*soc->tx_tcl_history);
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soc->tx_tcl_history = dp_context_alloc_mem(soc, DP_TX_TCL_HIST_TYPE,
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tx_tcl_hist_size);
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if (soc->tx_tcl_history)
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qdf_atomic_init(&soc->tx_tcl_history->index);
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tx_comp_hist_size = sizeof(*soc->tx_comp_history);
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soc->tx_comp_history = dp_context_alloc_mem(soc, DP_TX_COMP_HIST_TYPE,
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tx_comp_hist_size);
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if (soc->tx_comp_history)
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qdf_atomic_init(&soc->tx_comp_history->index);
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}
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/**
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* dp_soc_tx_history_detach() - Detach the ring history record buffers
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* @soc: DP soc structure
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*
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* This function frees the memory for recording the tx tcl ring and
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* the tx comp ring entries.
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*
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* Returns: None
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*/
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static void dp_soc_tx_history_detach(struct dp_soc *soc)
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{
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dp_context_free_mem(soc, DP_TX_TCL_HIST_TYPE, soc->tx_tcl_history);
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dp_context_free_mem(soc, DP_TX_COMP_HIST_TYPE, soc->tx_comp_history);
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}
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#else
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static inline void dp_soc_tx_history_attach(struct dp_soc *soc)
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{
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}
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static inline void dp_soc_tx_history_detach(struct dp_soc *soc)
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{
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}
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#endif /* WLAN_FEATURE_DP_TX_DESC_HISTORY */
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/*
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* dp_pdev_attach_wifi3() - attach txrx pdev
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* @txrx_soc: Datapath SOC handle
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@ -4863,6 +4919,7 @@ static void dp_soc_detach(struct cdp_soc_t *txrx_soc)
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dp_hw_link_desc_pool_banks_free(soc, WLAN_INVALID_PDEV_ID);
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wlan_cfg_soc_detach(soc->wlan_cfg_ctx);
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dp_soc_tx_hw_desc_history_detach(soc);
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dp_soc_tx_history_detach(soc);
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dp_soc_rx_history_detach(soc);
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if (soc->mon_vdev_timer_state & MON_VDEV_TIMER_INIT) {
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qdf_timer_free(&soc->mon_vdev_timer);
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@ -12156,6 +12213,7 @@ dp_soc_attach(struct cdp_ctrl_objmgr_psoc *ctrl_psoc,
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dp_soc_tx_hw_desc_history_attach(soc);
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dp_soc_rx_history_attach(soc);
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dp_soc_tx_history_attach(soc);
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wlan_set_srng_cfg(&soc->wlan_srng_cfg);
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soc->wlan_cfg_ctx = wlan_cfg_soc_attach(soc->ctrl_psoc);
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if (!soc->wlan_cfg_ctx) {
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@ -189,6 +189,124 @@ dp_tx_outstanding_dec(struct dp_pdev *pdev)
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}
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#endif //QCA_TX_LIMIT_CHECK
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#ifdef WLAN_FEATURE_DP_TX_DESC_HISTORY
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static inline enum dp_tx_event_type dp_tx_get_event_type(uint32_t flags)
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{
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enum dp_tx_event_type type;
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if (flags & DP_TX_DESC_FLAG_FLUSH)
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type = DP_TX_DESC_FLUSH;
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else if (flags & DP_TX_DESC_FLAG_TX_COMP_ERR)
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type = DP_TX_COMP_UNMAP_ERR;
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else if (flags & DP_TX_DESC_FLAG_COMPLETED_TX)
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type = DP_TX_COMP_UNMAP;
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else
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type = DP_TX_DESC_UNMAP;
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return type;
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}
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static inline void
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dp_tx_desc_history_add(struct dp_soc *soc, dma_addr_t paddr,
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qdf_nbuf_t skb, uint32_t sw_cookie,
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enum dp_tx_event_type type)
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{
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struct dp_tx_desc_event *entry;
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uint32_t idx;
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if (qdf_unlikely(!soc->tx_tcl_history || !soc->tx_comp_history))
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return;
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switch (type) {
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case DP_TX_COMP_UNMAP:
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case DP_TX_COMP_UNMAP_ERR:
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case DP_TX_COMP_MSDU_EXT:
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idx = dp_history_get_next_index(&soc->tx_comp_history->index,
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DP_TX_COMP_HISTORY_SIZE);
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entry = &soc->tx_comp_history->entry[idx];
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break;
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case DP_TX_DESC_MAP:
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case DP_TX_DESC_UNMAP:
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case DP_TX_DESC_COOKIE:
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case DP_TX_DESC_FLUSH:
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idx = dp_history_get_next_index(&soc->tx_tcl_history->index,
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DP_TX_TCL_HISTORY_SIZE);
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entry = &soc->tx_tcl_history->entry[idx];
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break;
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default:
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dp_info_rl("Invalid dp_tx_event_type: %d", type);
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return;
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}
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entry->skb = skb;
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entry->paddr = paddr;
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entry->sw_cookie = sw_cookie;
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entry->type = type;
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entry->ts = qdf_get_log_timestamp();
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}
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static inline void
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dp_tx_tso_seg_history_add(struct dp_soc *soc,
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struct qdf_tso_seg_elem_t *tso_seg,
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qdf_nbuf_t skb, uint32_t sw_cookie,
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enum dp_tx_event_type type)
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{
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int i;
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for (i = 1; i < tso_seg->seg.num_frags; i++) {
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dp_tx_desc_history_add(soc, tso_seg->seg.tso_frags[i].paddr,
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skb, sw_cookie, type);
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}
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if (!tso_seg->next)
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dp_tx_desc_history_add(soc, tso_seg->seg.tso_frags[0].paddr,
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skb, 0xFFFFFFFF, type);
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}
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static inline void
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dp_tx_tso_history_add(struct dp_soc *soc, struct qdf_tso_info_t tso_info,
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qdf_nbuf_t skb, uint32_t sw_cookie,
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enum dp_tx_event_type type)
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{
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struct qdf_tso_seg_elem_t *curr_seg = tso_info.tso_seg_list;
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uint32_t num_segs = tso_info.num_segs;
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while (num_segs) {
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dp_tx_tso_seg_history_add(soc, curr_seg, skb, sw_cookie, type);
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curr_seg = curr_seg->next;
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num_segs--;
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}
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}
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#else
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static inline enum dp_tx_event_type dp_tx_get_event_type(uint32_t flags)
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{
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return DP_TX_DESC_INVAL_EVT;
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}
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static inline void
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dp_tx_desc_history_add(struct dp_soc *soc, dma_addr_t paddr,
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qdf_nbuf_t skb, uint32_t sw_cookie,
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enum dp_tx_event_type type)
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{
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}
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static inline void
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dp_tx_tso_seg_history_add(struct dp_soc *soc,
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struct qdf_tso_seg_elem_t *tso_seg,
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qdf_nbuf_t skb, uint32_t sw_cookie,
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enum dp_tx_event_type type)
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{
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}
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static inline void
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dp_tx_tso_history_add(struct dp_soc *soc, struct qdf_tso_info_t tso_info,
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qdf_nbuf_t skb, uint32_t sw_cookie,
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enum dp_tx_event_type type)
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{
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}
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#endif /* WLAN_FEATURE_DP_TX_DESC_HISTORY */
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#if defined(FEATURE_TSO)
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/**
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* dp_tx_tso_unmap_segment() - Unmap TSO segment
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@ -666,6 +784,8 @@ static QDF_STATUS dp_tx_prepare_tso(struct dp_vdev *vdev,
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return QDF_STATUS_E_INVAL;
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}
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dp_tx_tso_history_add(soc, msdu_info->u.tso_info,
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msdu, 0, DP_TX_DESC_MAP);
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tso_info->curr_seg = tso_info->tso_seg_list;
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@ -1060,6 +1180,8 @@ static struct dp_tx_desc_s *dp_tx_prepare_desc(struct dp_vdev *vdev,
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DP_STATS_INC(vdev, tx_i.dropped.desc_na.num, 1);
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return NULL;
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}
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dp_tx_tso_seg_history_add(soc, msdu_info->u.tso_info.curr_seg,
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nbuf, tx_desc->id, DP_TX_DESC_COOKIE);
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dp_tx_outstanding_inc(pdev);
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@ -1505,6 +1627,8 @@ dp_tx_hw_enqueue(struct dp_soc *soc, struct dp_vdev *vdev,
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tx_desc->pkt_offset;
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type = HAL_TX_BUF_TYPE_BUFFER;
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tx_desc->dma_addr = qdf_nbuf_mapped_paddr_get(tx_desc->nbuf);
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dp_tx_desc_history_add(soc, tx_desc->dma_addr, tx_desc->nbuf,
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tx_desc->id, DP_TX_DESC_MAP);
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}
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qdf_assert_always(tx_desc->dma_addr);
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@ -2156,6 +2280,8 @@ dp_tx_send_msdu_single(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
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if (status != QDF_STATUS_SUCCESS) {
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dp_err_rl("Tx_hw_enqueue Fail tx_desc %pK queue %d",
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tx_desc, tx_q->ring_id);
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dp_tx_desc_history_add(soc, tx_desc->dma_addr, nbuf,
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tx_desc->id, DP_TX_DESC_UNMAP);
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qdf_nbuf_unmap_nbytes_single(vdev->osdev, nbuf,
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QDF_DMA_TO_DEVICE,
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nbuf->len);
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@ -2187,6 +2313,7 @@ static inline void dp_tx_comp_free_buf(struct dp_soc *soc,
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struct dp_tx_desc_s *desc)
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{
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qdf_nbuf_t nbuf = desc->nbuf;
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enum dp_tx_event_type type = dp_tx_get_event_type(desc->flags);
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/* nbuf already freed in vdev detach path */
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if (!nbuf)
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@ -2201,6 +2328,10 @@ static inline void dp_tx_comp_free_buf(struct dp_soc *soc,
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/* TSO free */
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if (hal_tx_ext_desc_get_tso_enable(
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desc->msdu_ext_desc->vaddr)) {
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dp_tx_desc_history_add(soc, desc->dma_addr, desc->nbuf,
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desc->id, DP_TX_COMP_MSDU_EXT);
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dp_tx_tso_seg_history_add(soc, desc->tso_desc,
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desc->nbuf, desc->id, type);
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/* unmap eash TSO seg before free the nbuf */
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dp_tx_tso_unmap_segment(soc, desc->tso_desc,
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desc->tso_num_desc);
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@ -2209,6 +2340,7 @@ static inline void dp_tx_comp_free_buf(struct dp_soc *soc,
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}
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}
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dp_tx_desc_history_add(soc, desc->dma_addr, desc->nbuf, desc->id, type);
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qdf_nbuf_unmap_nbytes_single(soc->osdev, nbuf,
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QDF_DMA_TO_DEVICE, nbuf->len);
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@ -2305,6 +2437,10 @@ qdf_nbuf_t dp_tx_send_msdu_multiple(struct dp_vdev *vdev, qdf_nbuf_t nbuf,
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}
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if (msdu_info->frm_type == dp_tx_frm_tso) {
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dp_tx_tso_seg_history_add(
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soc,
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msdu_info->u.tso_info.curr_seg,
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nbuf, 0, DP_TX_DESC_UNMAP);
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dp_tx_tso_unmap_segment(soc,
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msdu_info->u.tso_info.
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curr_seg,
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@ -4135,6 +4271,7 @@ dp_tx_comp_process_desc(struct dp_soc *soc,
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struct dp_peer *peer)
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{
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uint64_t time_latency = 0;
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/*
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* m_copy/tx_capture modes are not supported for
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* scatter gather packets
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@ -4170,6 +4307,7 @@ dp_tx_comp_process_desc(struct dp_soc *soc,
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}
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}
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desc->flags |= DP_TX_DESC_FLAG_COMPLETED_TX;
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dp_tx_comp_free_buf(soc, desc);
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}
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@ -4396,6 +4534,8 @@ dp_tx_comp_process_desc_list(struct dp_soc *soc,
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* performance impact so avoided the wrapper call here
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*/
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next = desc->next;
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dp_tx_desc_history_add(soc, desc->dma_addr, desc->nbuf,
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desc->id, DP_TX_COMP_UNMAP);
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qdf_mem_unmap_nbytes_single(soc->osdev,
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desc->dma_addr,
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QDF_DMA_TO_DEVICE,
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@ -4465,6 +4605,7 @@ void dp_tx_process_htt_completion(struct dp_tx_desc_s *tx_desc, uint8_t *status,
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if (qdf_unlikely(tx_desc->pdev->is_pdev_down)) {
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dp_info_rl("pdev in down state %d", tx_desc->id);
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tx_desc->flags |= DP_TX_DESC_FLAG_TX_COMP_ERR;
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dp_tx_comp_free_buf(soc, tx_desc);
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dp_tx_desc_release(tx_desc, tx_desc->pool_id);
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return;
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@ -4730,6 +4871,7 @@ more_data:
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if (qdf_unlikely(tx_desc->pdev->is_pdev_down)) {
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dp_info_rl("pdev in down state %d", tx_desc_id);
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tx_desc->flags |= DP_TX_DESC_FLAG_TX_COMP_ERR;
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dp_tx_comp_free_buf(soc, tx_desc);
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dp_tx_desc_release(tx_desc, tx_desc->pool_id);
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goto next_desc;
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@ -5029,6 +5171,7 @@ void dp_tx_desc_flush(struct dp_pdev *pdev, struct dp_vdev *vdev,
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* in this TX desc.
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*/
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if (force_free) {
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tx_desc->flags |= DP_TX_DESC_FLAG_FLUSH;
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dp_tx_comp_free_buf(soc, tx_desc);
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dp_tx_desc_release(tx_desc, i);
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} else {
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@ -5092,6 +5235,7 @@ void dp_tx_desc_flush(struct dp_pdev *pdev, struct dp_vdev *vdev,
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if (dp_is_tx_desc_flush_match(pdev, vdev, tx_desc)) {
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if (force_free) {
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tx_desc->flags |= DP_TX_DESC_FLAG_FLUSH;
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dp_tx_comp_free_buf(soc, tx_desc);
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dp_tx_desc_release(tx_desc, i);
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} else {
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@ -38,6 +38,8 @@
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#define DP_TX_DESC_FLAG_TDLS_FRAME 0x100
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#define DP_TX_DESC_FLAG_ALLOCATED 0x200
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#define DP_TX_DESC_FLAG_MESH_MODE 0x400
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#define DP_TX_DESC_FLAG_TX_COMP_ERR 0x1000
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#define DP_TX_DESC_FLAG_FLUSH 0x2000
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#define DP_TX_EXT_DESC_FLAG_METADATA_VALID 0x1
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@ -385,6 +385,8 @@ enum dp_ctxt_type {
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DP_RX_RING_HIST_TYPE,
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DP_RX_ERR_RING_HIST_TYPE,
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DP_RX_REINJECT_RING_HIST_TYPE,
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DP_TX_TCL_HIST_TYPE,
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DP_TX_COMP_HIST_TYPE,
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DP_FISA_RX_FT_TYPE,
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DP_RX_REFILL_RING_HIST_TYPE,
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DP_TX_HW_DESC_HIST_TYPE,
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@ -1241,6 +1243,41 @@ struct dp_rx_refill_history {
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#endif
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enum dp_tx_event_type {
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DP_TX_DESC_INVAL_EVT = 0,
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DP_TX_DESC_MAP,
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DP_TX_DESC_COOKIE,
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DP_TX_DESC_FLUSH,
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DP_TX_DESC_UNMAP,
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DP_TX_COMP_UNMAP,
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DP_TX_COMP_UNMAP_ERR,
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DP_TX_COMP_MSDU_EXT,
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};
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#ifdef WLAN_FEATURE_DP_TX_DESC_HISTORY
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/* Size must be in 2 power, for bitwise index rotation */
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#define DP_TX_TCL_HISTORY_SIZE 0x4000
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#define DP_TX_COMP_HISTORY_SIZE 0x4000
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struct dp_tx_desc_event {
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qdf_nbuf_t skb;
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dma_addr_t paddr;
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uint32_t sw_cookie;
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enum dp_tx_event_type type;
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uint64_t ts;
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};
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struct dp_tx_tcl_history {
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qdf_atomic_t index;
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struct dp_tx_desc_event entry[DP_TX_TCL_HISTORY_SIZE];
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};
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struct dp_tx_comp_history {
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qdf_atomic_t index;
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struct dp_tx_desc_event entry[DP_TX_COMP_HISTORY_SIZE];
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};
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||||
#endif /* WLAN_FEATURE_DP_TX_DESC_HISTORY */
|
||||
|
||||
/* structure to record recent operation related variable */
|
||||
struct dp_last_op_info {
|
||||
/* last link desc buf info through WBM release ring */
|
||||
|
|
@ -1627,6 +1664,11 @@ struct dp_soc {
|
|||
struct dp_rx_reinject_history *rx_reinject_ring_history;
|
||||
#endif
|
||||
|
||||
#ifdef WLAN_FEATURE_DP_TX_DESC_HISTORY
|
||||
struct dp_tx_tcl_history *tx_tcl_history;
|
||||
struct dp_tx_comp_history *tx_comp_history;
|
||||
#endif
|
||||
|
||||
qdf_spinlock_t ast_lock;
|
||||
/*Timer for AST entry ageout maintainance */
|
||||
qdf_timer_t ast_aging_timer;
|
||||
|
|
|
|||
Loading…
Reference in a new issue