diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/rx.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 72 |
1 files changed, 31 insertions, 41 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index 19dd075f2f63..452da44a21e0 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -200,8 +200,8 @@ static inline __le32 iwl_pcie_dma_addr2rbd_ptr(dma_addr_t dma_addr) */ int iwl_pcie_rx_stop(struct iwl_trans *trans) { - if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22560) { - /* TODO: remove this for 22560 once fw does it */ + if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { + /* TODO: remove this once fw does it */ iwl_write_umac_prph(trans, RFH_RXF_DMA_CFG_GEN3, 0); return iwl_poll_umac_prph_bit(trans, RFH_GEN_STATUS_GEN3, RXF_DMA_IDLE, RXF_DMA_IDLE, 1000); @@ -247,11 +247,7 @@ static void iwl_pcie_rxq_inc_wr_ptr(struct iwl_trans *trans, } rxq->write_actual = round_down(rxq->write, 8); - if (trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_22560) - iwl_write32(trans, HBUS_TARG_WRPTR, - (rxq->write_actual | - ((FIRST_RX_QUEUE + rxq->id) << 16))); - else if (trans->trans_cfg->mq_rx_supported) + if (trans->trans_cfg->mq_rx_supported) iwl_write32(trans, RFH_Q_FRBDCB_WIDX_TRG(rxq->id), rxq->write_actual); else @@ -279,7 +275,7 @@ static void iwl_pcie_restock_bd(struct iwl_trans *trans, struct iwl_rxq *rxq, struct iwl_rx_mem_buffer *rxb) { - if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22560) { + if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { struct iwl_rx_transfer_desc *bd = rxq->bd; BUILD_BUG_ON(sizeof(*bd) != 2 * sizeof(u64)); @@ -326,7 +322,7 @@ static void iwl_pcie_rxmq_restock(struct iwl_trans *trans, WARN_ON(rxb->page_dma & DMA_BIT_MASK(12)); /* Point to Rx buffer via next RBD in circular buffer */ iwl_pcie_restock_bd(trans, rxq, rxb); - rxq->write = (rxq->write + 1) & MQ_RX_TABLE_MASK; + rxq->write = (rxq->write + 1) & (rxq->queue_size - 1); rxq->free_count--; } spin_unlock(&rxq->lock); @@ -691,7 +687,7 @@ static void iwl_pcie_free_rxq_dma(struct iwl_trans *trans, { struct device *dev = trans->dev; bool use_rx_td = (trans->trans_cfg->device_family >= - IWL_DEVICE_FAMILY_22560); + IWL_DEVICE_FAMILY_AX210); int free_size = iwl_pcie_free_bd_size(trans, use_rx_td); if (rxq->bd) @@ -712,7 +708,7 @@ static void iwl_pcie_free_rxq_dma(struct iwl_trans *trans, rxq->used_bd_dma = 0; rxq->used_bd = NULL; - if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_22560) + if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) return; if (rxq->tr_tail) @@ -736,7 +732,7 @@ static int iwl_pcie_alloc_rxq_dma(struct iwl_trans *trans, int i; int free_size; bool use_rx_td = (trans->trans_cfg->device_family >= - IWL_DEVICE_FAMILY_22560); + IWL_DEVICE_FAMILY_AX210); size_t rb_stts_size = use_rx_td ? sizeof(__le16) : sizeof(struct iwl_rb_status); @@ -784,11 +780,6 @@ static int iwl_pcie_alloc_rxq_dma(struct iwl_trans *trans, &rxq->cr_tail_dma, GFP_KERNEL); if (!rxq->cr_tail) goto err; - /* - * W/A 22560 device step Z0 must be non zero bug - * TODO: remove this when stop supporting Z0 - */ - *rxq->cr_tail = cpu_to_le16(500); return 0; @@ -802,13 +793,13 @@ err: return -ENOMEM; } -int iwl_pcie_rx_alloc(struct iwl_trans *trans) +static int iwl_pcie_rx_alloc(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rb_allocator *rba = &trans_pcie->rba; int i, ret; size_t rb_stts_size = trans->trans_cfg->device_family >= - IWL_DEVICE_FAMILY_22560 ? + IWL_DEVICE_FAMILY_AX210 ? sizeof(__le16) : sizeof(struct iwl_rb_status); if (WARN_ON(trans_pcie->rxq)) @@ -1033,7 +1024,7 @@ int iwl_pcie_dummy_napi_poll(struct napi_struct *napi, int budget) return 0; } -int _iwl_pcie_rx_init(struct iwl_trans *trans) +static int _iwl_pcie_rx_init(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); struct iwl_rxq *def_rxq; @@ -1074,8 +1065,9 @@ int _iwl_pcie_rx_init(struct iwl_trans *trans) rxq->read = 0; rxq->write = 0; rxq->write_actual = 0; - memset(rxq->rb_stts, 0, (trans->trans_cfg->device_family >= - IWL_DEVICE_FAMILY_22560) ? + memset(rxq->rb_stts, 0, + (trans->trans_cfg->device_family >= + IWL_DEVICE_FAMILY_AX210) ? sizeof(__le16) : sizeof(struct iwl_rb_status)); iwl_pcie_rx_init_rxb_lists(rxq); @@ -1152,7 +1144,7 @@ void iwl_pcie_rx_free(struct iwl_trans *trans) struct iwl_rb_allocator *rba = &trans_pcie->rba; int i; size_t rb_stts_size = trans->trans_cfg->device_family >= - IWL_DEVICE_FAMILY_22560 ? + IWL_DEVICE_FAMILY_AX210 ? sizeof(__le16) : sizeof(struct iwl_rb_status); /* @@ -1347,7 +1339,7 @@ static void iwl_pcie_rx_handle_rb(struct iwl_trans *trans, } page_stolen |= rxcb._page_stolen; - if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22560) + if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) break; offset += ALIGN(len, FH_RSCSR_FRAME_ALIGN); } @@ -1399,7 +1391,7 @@ static struct iwl_rx_mem_buffer *iwl_pcie_get_rxb(struct iwl_trans *trans, } /* used_bd is a 32/16 bit but only 12 are used to retrieve the vid */ - if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22560) + if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) vid = le16_to_cpu(rxq->cd[i].rbid) & 0x0FFF; else vid = le32_to_cpu(rxq->bd_32[i]) & 0x0FFF; @@ -1429,6 +1421,7 @@ out_err: static void iwl_pcie_rx_handle(struct iwl_trans *trans, int queue) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + struct napi_struct *napi; struct iwl_rxq *rxq; u32 r, i, count = 0; bool emergency = false; @@ -1515,7 +1508,7 @@ out: /* Backtrack one entry */ rxq->read = i; /* update cr tail with the rxq read pointer */ - if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22560) + if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) *rxq->cr_tail = cpu_to_le16(r); spin_unlock(&rxq->lock); @@ -1534,8 +1527,16 @@ out: if (unlikely(emergency && count)) iwl_pcie_rxq_alloc_rbs(trans, GFP_ATOMIC, rxq); - if (rxq->napi.poll) - napi_gro_flush(&rxq->napi, false); + napi = &rxq->napi; + if (napi->poll) { + if (napi->rx_count) { + netif_receive_skb_list(&napi->rx_list); + INIT_LIST_HEAD(&napi->rx_list); + napi->rx_count = 0; + } + + napi_gro_flush(napi, false); + } iwl_pcie_rxq_restock(trans, rxq); } @@ -2152,8 +2153,7 @@ irqreturn_t iwl_pcie_irq_msix_handler(int irq, void *dev_id) /* Error detected by uCode */ if ((inta_fh & MSIX_FH_INT_CAUSES_FH_ERR) || - (inta_hw & MSIX_HW_INT_CAUSES_REG_SW_ERR) || - (inta_hw & MSIX_HW_INT_CAUSES_REG_SW_ERR_V2)) { + (inta_hw & MSIX_HW_INT_CAUSES_REG_SW_ERR)) { IWL_ERR(trans, "Microcode SW error detected. Restarting 0x%X.\n", inta_fh); @@ -2185,17 +2185,7 @@ irqreturn_t iwl_pcie_irq_msix_handler(int irq, void *dev_id) } } - if (trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_22560 && - inta_hw & MSIX_HW_INT_CAUSES_REG_IPC) { - /* Reflect IML transfer status */ - int res = iwl_read32(trans, CSR_IML_RESP_ADDR); - - IWL_DEBUG_ISR(trans, "IML transfer status: %d\n", res); - if (res == IWL_IMAGE_RESP_FAIL) { - isr_stats->sw++; - iwl_pcie_irq_handle_error(trans); - } - } else if (inta_hw & MSIX_HW_INT_CAUSES_REG_WAKEUP) { + if (inta_hw & MSIX_HW_INT_CAUSES_REG_WAKEUP) { u32 sleep_notif = le32_to_cpu(trans_pcie->prph_info->sleep_notif); if (sleep_notif == IWL_D3_SLEEP_STATUS_SUSPEND || |