Lines Matching full:tx
221 struct lan743x_tx *tx = context; in lan743x_tx_isr() local
222 struct lan743x_adapter *adapter = tx->adapter; in lan743x_tx_isr()
228 INT_BIT_DMA_TX_(tx->channel_number)); in lan743x_tx_isr()
231 if (int_sts & INT_BIT_DMA_TX_(tx->channel_number)) { in lan743x_tx_isr()
232 u32 ioc_bit = DMAC_INT_BIT_TX_IOC_(tx->channel_number); in lan743x_tx_isr()
249 napi_schedule(&tx->napi); in lan743x_tx_isr()
257 INT_BIT_DMA_TX_(tx->channel_number)); in lan743x_tx_isr()
324 lan743x_tx_isr(&adapter->tx[channel], in lan743x_intr_shared_isr()
674 /* map TX interrupt to vector */ in lan743x_intr_open()
678 /* Remove TX interrupt from shared mask */ in lan743x_intr_open()
682 &adapter->tx[index]); in lan743x_intr_open()
1573 static void lan743x_tx_release_desc(struct lan743x_tx *tx, in lan743x_tx_release_desc() argument
1581 descriptor = &tx->ring_cpu_ptr[descriptor_index]; in lan743x_tx_release_desc()
1582 buffer_info = &tx->buffer_info[descriptor_index]; in lan743x_tx_release_desc()
1597 dma_unmap_page(&tx->adapter->pdev->dev, in lan743x_tx_release_desc()
1602 dma_unmap_single(&tx->adapter->pdev->dev, in lan743x_tx_release_desc()
1619 lan743x_ptp_unrequest_tx_timestamp(tx->adapter); in lan743x_tx_release_desc()
1624 lan743x_ptp_tx_timestamp_skb(tx->adapter, in lan743x_tx_release_desc()
1639 static int lan743x_tx_next_index(struct lan743x_tx *tx, int index) in lan743x_tx_next_index() argument
1641 return ((++index) % tx->ring_size); in lan743x_tx_next_index()
1644 static void lan743x_tx_release_completed_descriptors(struct lan743x_tx *tx) in lan743x_tx_release_completed_descriptors() argument
1646 while (le32_to_cpu(*tx->head_cpu_ptr) != (tx->last_head)) { in lan743x_tx_release_completed_descriptors()
1647 lan743x_tx_release_desc(tx, tx->last_head, false); in lan743x_tx_release_completed_descriptors()
1648 tx->last_head = lan743x_tx_next_index(tx, tx->last_head); in lan743x_tx_release_completed_descriptors()
1652 static void lan743x_tx_release_all_descriptors(struct lan743x_tx *tx) in lan743x_tx_release_all_descriptors() argument
1656 original_head = tx->last_head; in lan743x_tx_release_all_descriptors()
1658 lan743x_tx_release_desc(tx, tx->last_head, true); in lan743x_tx_release_all_descriptors()
1659 tx->last_head = lan743x_tx_next_index(tx, tx->last_head); in lan743x_tx_release_all_descriptors()
1660 } while (tx->last_head != original_head); in lan743x_tx_release_all_descriptors()
1661 memset(tx->ring_cpu_ptr, 0, in lan743x_tx_release_all_descriptors()
1662 sizeof(*tx->ring_cpu_ptr) * (tx->ring_size)); in lan743x_tx_release_all_descriptors()
1663 memset(tx->buffer_info, 0, in lan743x_tx_release_all_descriptors()
1664 sizeof(*tx->buffer_info) * (tx->ring_size)); in lan743x_tx_release_all_descriptors()
1667 static int lan743x_tx_get_desc_cnt(struct lan743x_tx *tx, in lan743x_tx_get_desc_cnt() argument
1680 static int lan743x_tx_get_avail_desc(struct lan743x_tx *tx) in lan743x_tx_get_avail_desc() argument
1682 int last_head = tx->last_head; in lan743x_tx_get_avail_desc()
1683 int last_tail = tx->last_tail; in lan743x_tx_get_avail_desc()
1686 return tx->ring_size - last_tail + last_head - 1; in lan743x_tx_get_avail_desc()
1735 void lan743x_tx_set_timestamping_mode(struct lan743x_tx *tx, in lan743x_tx_set_timestamping_mode() argument
1740 tx->ts_flags |= TX_TS_FLAG_TIMESTAMPING_ENABLED; in lan743x_tx_set_timestamping_mode()
1742 tx->ts_flags &= ~TX_TS_FLAG_TIMESTAMPING_ENABLED; in lan743x_tx_set_timestamping_mode()
1744 tx->ts_flags |= TX_TS_FLAG_ONE_STEP_SYNC; in lan743x_tx_set_timestamping_mode()
1746 tx->ts_flags &= ~TX_TS_FLAG_ONE_STEP_SYNC; in lan743x_tx_set_timestamping_mode()
1749 static int lan743x_tx_frame_start(struct lan743x_tx *tx, in lan743x_tx_frame_start() argument
1757 * assuming tx->ring_lock has already been acquired. in lan743x_tx_frame_start()
1761 struct lan743x_adapter *adapter = tx->adapter; in lan743x_tx_frame_start()
1765 tx->frame_flags |= TX_FRAME_FLAG_IN_PROGRESS; in lan743x_tx_frame_start()
1766 tx->frame_first = tx->last_tail; in lan743x_tx_frame_start()
1767 tx->frame_tail = tx->frame_first; in lan743x_tx_frame_start()
1769 tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail]; in lan743x_tx_frame_start()
1770 buffer_info = &tx->buffer_info[tx->frame_tail]; in lan743x_tx_frame_start()
1786 tx->frame_data0 = (first_buffer_length & in lan743x_tx_frame_start()
1792 tx->frame_data0 |= TX_DESC_DATA0_TSE_; in lan743x_tx_frame_start()
1795 tx->frame_data0 |= TX_DESC_DATA0_ICE_ | in lan743x_tx_frame_start()
1803 static void lan743x_tx_frame_add_lso(struct lan743x_tx *tx, in lan743x_tx_frame_add_lso() argument
1808 * assuming tx->ring_lock has already been acquired. in lan743x_tx_frame_add_lso()
1814 tx->frame_data0 |= TX_DESC_DATA0_EXT_; in lan743x_tx_frame_add_lso()
1816 tx->frame_data0 |= TX_DESC_DATA0_LS_; in lan743x_tx_frame_add_lso()
1817 tx->frame_data0 |= TX_DESC_DATA0_IOC_; in lan743x_tx_frame_add_lso()
1818 tx->frame_last = tx->frame_first; in lan743x_tx_frame_add_lso()
1820 tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail]; in lan743x_tx_frame_add_lso()
1821 tx_descriptor->data0 = cpu_to_le32(tx->frame_data0); in lan743x_tx_frame_add_lso()
1824 tx->frame_tail = lan743x_tx_next_index(tx, tx->frame_tail); in lan743x_tx_frame_add_lso()
1825 tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail]; in lan743x_tx_frame_add_lso()
1826 buffer_info = &tx->buffer_info[tx->frame_tail]; in lan743x_tx_frame_add_lso()
1838 tx->frame_data0 = (frame_length & TX_DESC_DATA0_EXT_PAY_LENGTH_MASK_) | in lan743x_tx_frame_add_lso()
1845 static int lan743x_tx_frame_add_fragment(struct lan743x_tx *tx, in lan743x_tx_frame_add_fragment() argument
1850 * assuming tx->ring_lock has already been acquired in lan743x_tx_frame_add_fragment()
1854 struct lan743x_adapter *adapter = tx->adapter; in lan743x_tx_frame_add_fragment()
1864 tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail]; in lan743x_tx_frame_add_fragment()
1865 tx_descriptor->data0 = cpu_to_le32(tx->frame_data0); in lan743x_tx_frame_add_fragment()
1868 tx->frame_tail = lan743x_tx_next_index(tx, tx->frame_tail); in lan743x_tx_frame_add_fragment()
1869 tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail]; in lan743x_tx_frame_add_fragment()
1870 buffer_info = &tx->buffer_info[tx->frame_tail]; in lan743x_tx_frame_add_fragment()
1878 desc_index = tx->frame_first; in lan743x_tx_frame_add_fragment()
1879 while (desc_index != tx->frame_tail) { in lan743x_tx_frame_add_fragment()
1880 lan743x_tx_release_desc(tx, desc_index, true); in lan743x_tx_frame_add_fragment()
1881 desc_index = lan743x_tx_next_index(tx, desc_index); in lan743x_tx_frame_add_fragment()
1884 tx->frame_flags &= ~TX_FRAME_FLAG_IN_PROGRESS; in lan743x_tx_frame_add_fragment()
1885 tx->frame_first = 0; in lan743x_tx_frame_add_fragment()
1886 tx->frame_data0 = 0; in lan743x_tx_frame_add_fragment()
1887 tx->frame_tail = 0; in lan743x_tx_frame_add_fragment()
1888 tx->frame_last = 0; in lan743x_tx_frame_add_fragment()
1903 tx->frame_data0 = (fragment_length & TX_DESC_DATA0_BUF_LENGTH_MASK_) | in lan743x_tx_frame_add_fragment()
1911 static void lan743x_tx_frame_end(struct lan743x_tx *tx, in lan743x_tx_frame_end() argument
1917 * assuming tx->ring_lock has already been acquired in lan743x_tx_frame_end()
1921 struct lan743x_adapter *adapter = tx->adapter; in lan743x_tx_frame_end()
1925 if ((tx->frame_data0 & TX_DESC_DATA0_DTYPE_MASK_) == in lan743x_tx_frame_end()
1927 tx->frame_data0 |= TX_DESC_DATA0_LS_; in lan743x_tx_frame_end()
1928 tx->frame_data0 |= TX_DESC_DATA0_IOC_; in lan743x_tx_frame_end()
1929 tx->frame_last = tx->frame_tail; in lan743x_tx_frame_end()
1932 tx_descriptor = &tx->ring_cpu_ptr[tx->frame_last]; in lan743x_tx_frame_end()
1933 buffer_info = &tx->buffer_info[tx->frame_last]; in lan743x_tx_frame_end()
1940 tx_descriptor = &tx->ring_cpu_ptr[tx->frame_tail]; in lan743x_tx_frame_end()
1941 tx_descriptor->data0 = cpu_to_le32(tx->frame_data0); in lan743x_tx_frame_end()
1942 tx->frame_tail = lan743x_tx_next_index(tx, tx->frame_tail); in lan743x_tx_frame_end()
1943 tx->last_tail = tx->frame_tail; in lan743x_tx_frame_end()
1947 if (tx->vector_flags & LAN743X_VECTOR_FLAG_VECTOR_ENABLE_AUTO_SET) in lan743x_tx_frame_end()
1949 if (tx->vector_flags & LAN743X_VECTOR_FLAG_SOURCE_ENABLE_AUTO_SET) in lan743x_tx_frame_end()
1953 lan743x_csr_write(adapter, TX_TAIL(tx->channel_number), in lan743x_tx_frame_end()
1954 tx_tail_flags | tx->frame_tail); in lan743x_tx_frame_end()
1955 tx->frame_flags &= ~TX_FRAME_FLAG_IN_PROGRESS; in lan743x_tx_frame_end()
1958 static netdev_tx_t lan743x_tx_xmit_frame(struct lan743x_tx *tx, in lan743x_tx_xmit_frame() argument
1974 required_number_of_descriptors = lan743x_tx_get_desc_cnt(tx, skb); in lan743x_tx_xmit_frame()
1976 spin_lock_irqsave(&tx->ring_lock, irq_flags); in lan743x_tx_xmit_frame()
1978 lan743x_tx_get_avail_desc(tx)) { in lan743x_tx_xmit_frame()
1979 if (required_number_of_descriptors > (tx->ring_size - 1)) { in lan743x_tx_xmit_frame()
1983 tx->rqd_descriptors = required_number_of_descriptors; in lan743x_tx_xmit_frame()
1985 txq = netdev_get_tx_queue(tx->adapter->netdev, in lan743x_tx_xmit_frame()
1986 tx->channel_number); in lan743x_tx_xmit_frame()
1994 (tx->ts_flags & TX_TS_FLAG_TIMESTAMPING_ENABLED) && in lan743x_tx_xmit_frame()
1995 (lan743x_ptp_request_tx_timestamp(tx->adapter))) { in lan743x_tx_xmit_frame()
1998 if (tx->ts_flags & TX_TS_FLAG_ONE_STEP_SYNC) in lan743x_tx_xmit_frame()
2011 if (lan743x_tx_frame_start(tx, in lan743x_tx_xmit_frame()
2019 tx->frame_count++; in lan743x_tx_xmit_frame()
2022 lan743x_tx_frame_add_lso(tx, frame_length, nr_frags); in lan743x_tx_xmit_frame()
2030 if (lan743x_tx_frame_add_fragment(tx, frag, frame_length)) { in lan743x_tx_xmit_frame()
2042 lan743x_tx_frame_end(tx, skb, do_timestamp, ignore_sync); in lan743x_tx_xmit_frame()
2045 spin_unlock_irqrestore(&tx->ring_lock, irq_flags); in lan743x_tx_xmit_frame()
2051 struct lan743x_tx *tx = container_of(napi, struct lan743x_tx, napi); in lan743x_tx_napi_poll() local
2052 struct lan743x_adapter *adapter = tx->adapter; in lan743x_tx_napi_poll()
2057 ioc_bit = DMAC_INT_BIT_TX_IOC_(tx->channel_number); in lan743x_tx_napi_poll()
2059 if (tx->vector_flags & LAN743X_VECTOR_FLAG_SOURCE_STATUS_W2C) in lan743x_tx_napi_poll()
2061 spin_lock_irqsave(&tx->ring_lock, irq_flags); in lan743x_tx_napi_poll()
2063 /* clean up tx ring */ in lan743x_tx_napi_poll()
2064 lan743x_tx_release_completed_descriptors(tx); in lan743x_tx_napi_poll()
2065 txq = netdev_get_tx_queue(adapter->netdev, tx->channel_number); in lan743x_tx_napi_poll()
2067 if (tx->rqd_descriptors) { in lan743x_tx_napi_poll()
2068 if (tx->rqd_descriptors <= in lan743x_tx_napi_poll()
2069 lan743x_tx_get_avail_desc(tx)) { in lan743x_tx_napi_poll()
2070 tx->rqd_descriptors = 0; in lan743x_tx_napi_poll()
2077 spin_unlock_irqrestore(&tx->ring_lock, irq_flags); in lan743x_tx_napi_poll()
2084 INT_BIT_DMA_TX_(tx->channel_number)); in lan743x_tx_napi_poll()
2091 static void lan743x_tx_ring_cleanup(struct lan743x_tx *tx) in lan743x_tx_ring_cleanup() argument
2093 if (tx->head_cpu_ptr) { in lan743x_tx_ring_cleanup()
2094 dma_free_coherent(&tx->adapter->pdev->dev, in lan743x_tx_ring_cleanup()
2095 sizeof(*tx->head_cpu_ptr), tx->head_cpu_ptr, in lan743x_tx_ring_cleanup()
2096 tx->head_dma_ptr); in lan743x_tx_ring_cleanup()
2097 tx->head_cpu_ptr = NULL; in lan743x_tx_ring_cleanup()
2098 tx->head_dma_ptr = 0; in lan743x_tx_ring_cleanup()
2100 kfree(tx->buffer_info); in lan743x_tx_ring_cleanup()
2101 tx->buffer_info = NULL; in lan743x_tx_ring_cleanup()
2103 if (tx->ring_cpu_ptr) { in lan743x_tx_ring_cleanup()
2104 dma_free_coherent(&tx->adapter->pdev->dev, in lan743x_tx_ring_cleanup()
2105 tx->ring_allocation_size, tx->ring_cpu_ptr, in lan743x_tx_ring_cleanup()
2106 tx->ring_dma_ptr); in lan743x_tx_ring_cleanup()
2107 tx->ring_allocation_size = 0; in lan743x_tx_ring_cleanup()
2108 tx->ring_cpu_ptr = NULL; in lan743x_tx_ring_cleanup()
2109 tx->ring_dma_ptr = 0; in lan743x_tx_ring_cleanup()
2111 tx->ring_size = 0; in lan743x_tx_ring_cleanup()
2114 static int lan743x_tx_ring_init(struct lan743x_tx *tx) in lan743x_tx_ring_init() argument
2121 tx->ring_size = LAN743X_TX_RING_SIZE; in lan743x_tx_ring_init()
2122 if (tx->ring_size & ~TX_CFG_B_TX_RING_LEN_MASK_) { in lan743x_tx_ring_init()
2126 if (dma_set_mask_and_coherent(&tx->adapter->pdev->dev, in lan743x_tx_ring_init()
2128 dev_warn(&tx->adapter->pdev->dev, in lan743x_tx_ring_init()
2133 ring_allocation_size = ALIGN(tx->ring_size * in lan743x_tx_ring_init()
2137 cpu_ptr = dma_alloc_coherent(&tx->adapter->pdev->dev, in lan743x_tx_ring_init()
2144 tx->ring_allocation_size = ring_allocation_size; in lan743x_tx_ring_init()
2145 tx->ring_cpu_ptr = (struct lan743x_tx_descriptor *)cpu_ptr; in lan743x_tx_ring_init()
2146 tx->ring_dma_ptr = dma_ptr; in lan743x_tx_ring_init()
2148 cpu_ptr = kcalloc(tx->ring_size, sizeof(*tx->buffer_info), GFP_KERNEL); in lan743x_tx_ring_init()
2153 tx->buffer_info = (struct lan743x_tx_buffer_info *)cpu_ptr; in lan743x_tx_ring_init()
2155 cpu_ptr = dma_alloc_coherent(&tx->adapter->pdev->dev, in lan743x_tx_ring_init()
2156 sizeof(*tx->head_cpu_ptr), &dma_ptr, in lan743x_tx_ring_init()
2163 tx->head_cpu_ptr = cpu_ptr; in lan743x_tx_ring_init()
2164 tx->head_dma_ptr = dma_ptr; in lan743x_tx_ring_init()
2165 if (tx->head_dma_ptr & 0x3) { in lan743x_tx_ring_init()
2173 lan743x_tx_ring_cleanup(tx); in lan743x_tx_ring_init()
2177 static void lan743x_tx_close(struct lan743x_tx *tx) in lan743x_tx_close() argument
2179 struct lan743x_adapter *adapter = tx->adapter; in lan743x_tx_close()
2183 DMAC_CMD_STOP_T_(tx->channel_number)); in lan743x_tx_close()
2184 lan743x_dmac_tx_wait_till_stopped(adapter, tx->channel_number); in lan743x_tx_close()
2188 DMAC_INT_BIT_TX_IOC_(tx->channel_number)); in lan743x_tx_close()
2190 INT_BIT_DMA_TX_(tx->channel_number)); in lan743x_tx_close()
2191 napi_disable(&tx->napi); in lan743x_tx_close()
2192 netif_napi_del(&tx->napi); in lan743x_tx_close()
2195 FCT_TX_CTL_DIS_(tx->channel_number)); in lan743x_tx_close()
2197 FCT_TX_CTL_EN_(tx->channel_number), in lan743x_tx_close()
2200 lan743x_tx_release_all_descriptors(tx); in lan743x_tx_close()
2202 tx->rqd_descriptors = 0; in lan743x_tx_close()
2204 lan743x_tx_ring_cleanup(tx); in lan743x_tx_close()
2207 static int lan743x_tx_open(struct lan743x_tx *tx) in lan743x_tx_open() argument
2213 adapter = tx->adapter; in lan743x_tx_open()
2214 ret = lan743x_tx_ring_init(tx); in lan743x_tx_open()
2220 FCT_TX_CTL_RESET_(tx->channel_number)); in lan743x_tx_open()
2222 FCT_TX_CTL_RESET_(tx->channel_number), in lan743x_tx_open()
2227 FCT_TX_CTL_EN_(tx->channel_number)); in lan743x_tx_open()
2229 /* reset tx channel */ in lan743x_tx_open()
2231 DMAC_CMD_TX_SWR_(tx->channel_number)); in lan743x_tx_open()
2233 DMAC_CMD_TX_SWR_(tx->channel_number), in lan743x_tx_open()
2238 TX_BASE_ADDRH(tx->channel_number), in lan743x_tx_open()
2239 DMA_ADDR_HIGH32(tx->ring_dma_ptr)); in lan743x_tx_open()
2241 TX_BASE_ADDRL(tx->channel_number), in lan743x_tx_open()
2242 DMA_ADDR_LOW32(tx->ring_dma_ptr)); in lan743x_tx_open()
2245 data = lan743x_csr_read(adapter, TX_CFG_B(tx->channel_number)); in lan743x_tx_open()
2247 data |= ((tx->ring_size) & TX_CFG_B_TX_RING_LEN_MASK_); in lan743x_tx_open()
2250 lan743x_csr_write(adapter, TX_CFG_B(tx->channel_number), data); in lan743x_tx_open()
2260 lan743x_csr_write(adapter, TX_CFG_A(tx->channel_number), data); in lan743x_tx_open()
2264 TX_HEAD_WRITEBACK_ADDRH(tx->channel_number), in lan743x_tx_open()
2265 DMA_ADDR_HIGH32(tx->head_dma_ptr)); in lan743x_tx_open()
2267 TX_HEAD_WRITEBACK_ADDRL(tx->channel_number), in lan743x_tx_open()
2268 DMA_ADDR_LOW32(tx->head_dma_ptr)); in lan743x_tx_open()
2271 tx->last_head = lan743x_csr_read(adapter, TX_HEAD(tx->channel_number)); in lan743x_tx_open()
2274 tx->last_tail = 0; in lan743x_tx_open()
2275 lan743x_csr_write(adapter, TX_TAIL(tx->channel_number), in lan743x_tx_open()
2276 (u32)(tx->last_tail)); in lan743x_tx_open()
2277 tx->vector_flags = lan743x_intr_get_vector_flags(adapter, in lan743x_tx_open()
2279 (tx->channel_number)); in lan743x_tx_open()
2281 &tx->napi, lan743x_tx_napi_poll, in lan743x_tx_open()
2283 napi_enable(&tx->napi); in lan743x_tx_open()
2286 if (tx->vector_flags & LAN743X_VECTOR_FLAG_SOURCE_ENABLE_AUTO_CLEAR) in lan743x_tx_open()
2288 if (tx->vector_flags & LAN743X_VECTOR_FLAG_SOURCE_STATUS_AUTO_CLEAR) in lan743x_tx_open()
2290 if (tx->vector_flags & LAN743X_VECTOR_FLAG_SOURCE_STATUS_R2C) in lan743x_tx_open()
2292 if (tx->vector_flags & LAN743X_VECTOR_FLAG_SOURCE_ENABLE_R2C) in lan743x_tx_open()
2294 lan743x_csr_write(adapter, TX_CFG_C(tx->channel_number), data); in lan743x_tx_open()
2296 if (!(tx->vector_flags & LAN743X_VECTOR_FLAG_SOURCE_ENABLE_AUTO_SET)) in lan743x_tx_open()
2298 INT_BIT_DMA_TX_(tx->channel_number)); in lan743x_tx_open()
2300 DMAC_INT_BIT_TX_IOC_(tx->channel_number)); in lan743x_tx_open()
2304 DMAC_CMD_START_T_(tx->channel_number)); in lan743x_tx_open()
3242 lan743x_tx_close(&adapter->tx[index]); in lan743x_netdev_close()
3289 ret = lan743x_tx_open(&adapter->tx[index]); in lan743x_netdev_open()
3311 if (adapter->tx[index].ring_cpu_ptr) in lan743x_netdev_open()
3312 lan743x_tx_close(&adapter->tx[index]); in lan743x_netdev_open()
3345 return lan743x_tx_xmit_frame(&adapter->tx[ch], skb); in lan743x_netdev_xmit_frame()
3497 struct lan743x_tx *tx; in lan743x_hardware_init() local
3557 tx = &adapter->tx[index]; in lan743x_hardware_init()
3558 tx->adapter = adapter; in lan743x_hardware_init()
3559 tx->channel_number = index; in lan743x_hardware_init()
3560 spin_lock_init(&tx->ring_lock); in lan743x_hardware_init()