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Searched refs:rx_buffer (Results 1 – 25 of 33) sorted by relevance

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/Linux-v6.6/drivers/net/ethernet/intel/iavf/
Diavf_txrx.c1208 static bool iavf_can_reuse_rx_page(struct iavf_rx_buffer *rx_buffer) in iavf_can_reuse_rx_page() argument
1210 unsigned int pagecnt_bias = rx_buffer->pagecnt_bias; in iavf_can_reuse_rx_page()
1211 struct page *page = rx_buffer->page; in iavf_can_reuse_rx_page()
1224 if (rx_buffer->page_offset > IAVF_LAST_OFFSET) in iavf_can_reuse_rx_page()
1234 rx_buffer->pagecnt_bias = USHRT_MAX; in iavf_can_reuse_rx_page()
1253 struct iavf_rx_buffer *rx_buffer, in iavf_add_rx_frag() argument
1266 skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page, in iavf_add_rx_frag()
1267 rx_buffer->page_offset, size, truesize); in iavf_add_rx_frag()
1271 rx_buffer->page_offset ^= truesize; in iavf_add_rx_frag()
1273 rx_buffer->page_offset += truesize; in iavf_add_rx_frag()
[all …]
/Linux-v6.6/sound/soc/sof/
Dsof-client-ipc-msg-injector.c30 void *rx_buffer; member
57 struct sof_ipc_reply *rhdr = priv->rx_buffer; in sof_msg_inject_dfs_read()
65 if (copy_to_user(buffer, priv->rx_buffer, count)) in sof_msg_inject_dfs_read()
78 struct sof_ipc4_msg *ipc4_msg = priv->rx_buffer; in sof_msg_inject_ipc4_dfs_read()
135 ret = sof_client_ipc_tx_message(cdev, priv->tx_buffer, priv->rx_buffer, in sof_msg_inject_send_message()
166 memset(priv->rx_buffer, 0, priv->max_msg_size); in sof_msg_inject_dfs_write()
210 ipc4_msg = priv->rx_buffer; in sof_msg_inject_ipc4_dfs_write()
274 priv->rx_buffer = devm_kzalloc(dev, alloc_size, GFP_KERNEL); in sof_msg_inject_probe()
275 if (!priv->tx_buffer || !priv->rx_buffer) in sof_msg_inject_probe()
284 ipc4_msg = priv->rx_buffer; in sof_msg_inject_probe()
[all …]
/Linux-v6.6/drivers/net/ethernet/wangxun/libwx/
Dwx_lib.c163 static bool wx_can_reuse_rx_page(struct wx_rx_buffer *rx_buffer, in wx_can_reuse_rx_page() argument
166 unsigned int pagecnt_bias = rx_buffer->pagecnt_bias; in wx_can_reuse_rx_page()
167 struct page *page = rx_buffer->page; in wx_can_reuse_rx_page()
185 rx_buffer->pagecnt_bias = USHRT_MAX; in wx_can_reuse_rx_page()
218 struct wx_rx_buffer *rx_buffer) in wx_dma_sync_frag() argument
220 struct sk_buff *skb = rx_buffer->skb; in wx_dma_sync_frag()
231 page_pool_put_full_page(rx_ring->page_pool, rx_buffer->page, false); in wx_dma_sync_frag()
239 struct wx_rx_buffer *rx_buffer; in wx_get_rx_buffer() local
242 rx_buffer = &rx_ring->rx_buffer_info[rx_ring->next_to_clean]; in wx_get_rx_buffer()
246 *rx_buffer_pgcnt = page_count(rx_buffer->page); in wx_get_rx_buffer()
[all …]
/Linux-v6.6/drivers/net/ethernet/intel/i40e/
Di40e_txrx.c1979 static bool i40e_can_reuse_rx_page(struct i40e_rx_buffer *rx_buffer, in i40e_can_reuse_rx_page() argument
1982 unsigned int pagecnt_bias = rx_buffer->pagecnt_bias; in i40e_can_reuse_rx_page()
1983 struct page *page = rx_buffer->page; in i40e_can_reuse_rx_page()
1993 if (unlikely((rx_buffer->page_count - pagecnt_bias) > 1)) { in i40e_can_reuse_rx_page()
2000 if (rx_buffer->page_offset > I40E_LAST_OFFSET) { in i40e_can_reuse_rx_page()
2012 rx_buffer->pagecnt_bias = USHRT_MAX; in i40e_can_reuse_rx_page()
2023 static void i40e_rx_buffer_flip(struct i40e_rx_buffer *rx_buffer, in i40e_rx_buffer_flip() argument
2027 rx_buffer->page_offset ^= truesize; in i40e_rx_buffer_flip()
2029 rx_buffer->page_offset += truesize; in i40e_rx_buffer_flip()
2044 struct i40e_rx_buffer *rx_buffer; in i40e_get_rx_buffer() local
[all …]
/Linux-v6.6/drivers/net/ethernet/dec/tulip/
Dxircom_cb.c79 __le32 *rx_buffer; member
234 private->rx_buffer = dma_alloc_coherent(d, 8192, in xircom_probe()
237 if (private->rx_buffer == NULL) in xircom_probe()
292 dma_free_coherent(d, 8192, private->rx_buffer, private->rx_dma_handle); in xircom_probe()
318 dma_free_coherent(d, 8192, card->rx_buffer, card->rx_dma_handle); in xircom_remove()
340 card->rx_buffer[0], card->rx_buffer[4]); in xircom_interrupt()
566 BUG_ON(card->rx_buffer == NULL); in setup_descriptors()
570 memset(card->rx_buffer, 0, 128); /* clear the descriptors */ in setup_descriptors()
574 card->rx_buffer[i*4 + 0] = cpu_to_le32(0x80000000); in setup_descriptors()
576 card->rx_buffer[i*4 + 1] = cpu_to_le32(1536); in setup_descriptors()
[all …]
/Linux-v6.6/drivers/mailbox/
Dmailbox-test.c39 char *rx_buffer; member
216 ptr = tdev->rx_buffer; in mbox_test_message_read()
229 memset(tdev->rx_buffer, 0, MBOX_MAX_MSG_LEN); in mbox_test_message_read()
292 memcpy_fromio(tdev->rx_buffer, tdev->rx_mmio, MBOX_MAX_MSG_LEN); in mbox_test_receive_message()
294 tdev->rx_buffer, MBOX_MAX_MSG_LEN); in mbox_test_receive_message()
298 memcpy(tdev->rx_buffer, message, MBOX_MAX_MSG_LEN); in mbox_test_receive_message()
405 tdev->rx_buffer = devm_kzalloc(&pdev->dev, in mbox_test_probe()
407 if (!tdev->rx_buffer) in mbox_test_probe()
/Linux-v6.6/drivers/net/ethernet/intel/fm10k/
Dfm10k_main.c128 bi = &rx_ring->rx_buffer[i]; in fm10k_alloc_rx_buffers()
145 bi = rx_ring->rx_buffer; in fm10k_alloc_rx_buffers()
189 new_buff = &rx_ring->rx_buffer[nta]; in fm10k_reuse_rx_page()
205 static bool fm10k_can_reuse_rx_page(struct fm10k_rx_buffer *rx_buffer, in fm10k_can_reuse_rx_page() argument
219 rx_buffer->page_offset ^= FM10K_RX_BUFSZ; in fm10k_can_reuse_rx_page()
222 rx_buffer->page_offset += truesize; in fm10k_can_reuse_rx_page()
224 if (rx_buffer->page_offset > (PAGE_SIZE - FM10K_RX_BUFSZ)) in fm10k_can_reuse_rx_page()
251 static bool fm10k_add_rx_frag(struct fm10k_rx_buffer *rx_buffer, in fm10k_add_rx_frag() argument
256 struct page *page = rx_buffer->page; in fm10k_add_rx_frag()
257 unsigned char *va = page_address(page) + rx_buffer->page_offset; in fm10k_add_rx_frag()
[all …]
Dfm10k_netdev.c90 rx_ring->rx_buffer = vzalloc(size); in fm10k_setup_rx_resources()
91 if (!rx_ring->rx_buffer) in fm10k_setup_rx_resources()
107 vfree(rx_ring->rx_buffer); in fm10k_setup_rx_resources()
108 rx_ring->rx_buffer = NULL; in fm10k_setup_rx_resources()
253 if (!rx_ring->rx_buffer) in fm10k_clean_rx_ring()
261 struct fm10k_rx_buffer *buffer = &rx_ring->rx_buffer[i]; in fm10k_clean_rx_ring()
274 memset(rx_ring->rx_buffer, 0, size); in fm10k_clean_rx_ring()
294 vfree(rx_ring->rx_buffer); in fm10k_free_rx_resources()
295 rx_ring->rx_buffer = NULL; in fm10k_free_rx_resources()
/Linux-v6.6/drivers/net/ethernet/intel/ixgbevf/
Dixgbevf_main.c111 static bool ixgbevf_can_reuse_rx_page(struct ixgbevf_rx_buffer *rx_buffer);
531 struct ixgbevf_rx_buffer *rx_buffer; in ixgbevf_get_rx_buffer() local
533 rx_buffer = &rx_ring->rx_buffer_info[rx_ring->next_to_clean]; in ixgbevf_get_rx_buffer()
534 prefetchw(rx_buffer->page); in ixgbevf_get_rx_buffer()
538 rx_buffer->dma, in ixgbevf_get_rx_buffer()
539 rx_buffer->page_offset, in ixgbevf_get_rx_buffer()
543 rx_buffer->pagecnt_bias--; in ixgbevf_get_rx_buffer()
545 return rx_buffer; in ixgbevf_get_rx_buffer()
549 struct ixgbevf_rx_buffer *rx_buffer, in ixgbevf_put_rx_buffer() argument
552 if (ixgbevf_can_reuse_rx_page(rx_buffer)) { in ixgbevf_put_rx_buffer()
[all …]
/Linux-v6.6/drivers/media/dvb-core/
Ddvb_ca_en50221.c106 struct dvb_ringbuffer rx_buffer; member
168 vfree(ca->slot_info[i].rx_buffer.data); in dvb_ca_private_free()
652 if (!sl->rx_buffer.data) { in dvb_ca_en50221_read_data()
656 buf_free = dvb_ringbuffer_free(&sl->rx_buffer); in dvb_ca_en50221_read_data()
756 if (!sl->rx_buffer.data) { in dvb_ca_en50221_read_data()
760 dvb_ringbuffer_pkt_write(&sl->rx_buffer, buf, bytes_read); in dvb_ca_en50221_read_data()
1240 if (!sl->rx_buffer.data) { in dvb_ca_en50221_thread_state_machine()
1249 dvb_ringbuffer_init(&sl->rx_buffer, rxbuf, in dvb_ca_en50221_thread_state_machine()
1564 if (!sl->rx_buffer.data) in dvb_ca_en50221_io_read_condition()
1567 idx = dvb_ringbuffer_pkt_next(&sl->rx_buffer, -1, &fraglen); in dvb_ca_en50221_io_read_condition()
[all …]
/Linux-v6.6/drivers/net/wireless/ti/wl1251/
Drx.c138 u8 *rx_buffer, beacon = 0; in wl1251_rx_body() local
165 rx_buffer = skb_put(skb, length); in wl1251_rx_body()
166 wl1251_mem_read(wl, rx_packet_ring_addr, rx_buffer, length); in wl1251_rx_body()
/Linux-v6.6/drivers/spi/
Dspidev.c80 u8 *rx_buffer; member
142 .rx_buf = spidev->rx_buffer, in spidev_sync_read()
173 missing = copy_to_user(buf, spidev->rx_buffer, status); in spidev_read()
231 rx_buf = spidev->rx_buffer; in spidev_message()
621 if (!spidev->rx_buffer) { in spidev_open()
622 spidev->rx_buffer = kmalloc(bufsiz, GFP_KERNEL); in spidev_open()
623 if (!spidev->rx_buffer) { in spidev_open()
665 kfree(spidev->rx_buffer); in spidev_release()
666 spidev->rx_buffer = NULL; in spidev_release()
/Linux-v6.6/drivers/firmware/arm_ffa/
Ddriver.c83 void *rx_buffer; member
225 memcpy(buffer + idx, drv_info->rx_buffer + idx * sz, in __ffa_partition_info_get()
742 drv_info->rx_buffer = alloc_pages_exact(RXTX_BUFFER_SIZE, GFP_KERNEL); in ffa_init()
743 if (!drv_info->rx_buffer) { in ffa_init()
755 virt_to_phys(drv_info->rx_buffer), in ffa_init()
773 free_pages_exact(drv_info->rx_buffer, RXTX_BUFFER_SIZE); in ffa_init()
786 free_pages_exact(drv_info->rx_buffer, RXTX_BUFFER_SIZE); in ffa_exit()
/Linux-v6.6/drivers/net/ethernet/intel/igc/
Digc_main.c1859 struct igc_rx_buffer *rx_buffer; in igc_get_rx_buffer() local
1861 rx_buffer = &rx_ring->rx_buffer_info[rx_ring->next_to_clean]; in igc_get_rx_buffer()
1864 page_count(rx_buffer->page); in igc_get_rx_buffer()
1868 prefetchw(rx_buffer->page); in igc_get_rx_buffer()
1872 rx_buffer->dma, in igc_get_rx_buffer()
1873 rx_buffer->page_offset, in igc_get_rx_buffer()
1877 rx_buffer->pagecnt_bias--; in igc_get_rx_buffer()
1879 return rx_buffer; in igc_get_rx_buffer()
1918 struct igc_rx_buffer *rx_buffer, in igc_add_rx_frag() argument
1931 skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page, in igc_add_rx_frag()
[all …]
/Linux-v6.6/drivers/net/mctp/
Dmctp-i2c.c66 u8 rx_buffer[MCTP_I2C_BUFSZ]; member
248 midev->rx_buffer[midev->rx_pos] = *val; in mctp_i2c_slave_cb()
257 midev->rx_buffer[0] = mcli->lladdr << 1; in mctp_i2c_slave_cb()
291 hdr = (void *)midev->rx_buffer; in mctp_i2c_recv()
302 pec = midev->rx_buffer[midev->rx_pos - 1]; in mctp_i2c_recv()
303 calc_pec = i2c_smbus_pec(0, midev->rx_buffer, recvlen); in mctp_i2c_recv()
316 skb_put_data(skb, midev->rx_buffer, recvlen); in mctp_i2c_recv()
/Linux-v6.6/drivers/net/ethernet/qualcomm/
Dqca_spi.c388 bytes_read = qcaspi_read_legacy(qca, qca->rx_buffer, in qcaspi_receive()
391 bytes_read = qcaspi_read_burst(qca, qca->rx_buffer, in qcaspi_receive()
405 cp = qca->rx_buffer; in qcaspi_receive()
821 qca->rx_buffer = kmalloc(qca->buffer_size, GFP_KERNEL); in qcaspi_netdev_init()
822 if (!qca->rx_buffer) in qcaspi_netdev_init()
828 kfree(qca->rx_buffer); in qcaspi_netdev_init()
841 kfree(qca->rx_buffer); in qcaspi_netdev_uninit()
Dqca_spi.h89 u8 *rx_buffer; member
/Linux-v6.6/drivers/net/ethernet/intel/ixgbe/
Dixgbe_main.c1939 static bool ixgbe_can_reuse_rx_page(struct ixgbe_rx_buffer *rx_buffer, in ixgbe_can_reuse_rx_page() argument
1942 unsigned int pagecnt_bias = rx_buffer->pagecnt_bias; in ixgbe_can_reuse_rx_page()
1943 struct page *page = rx_buffer->page; in ixgbe_can_reuse_rx_page()
1961 if (rx_buffer->page_offset > IXGBE_LAST_OFFSET) in ixgbe_can_reuse_rx_page()
1971 rx_buffer->pagecnt_bias = USHRT_MAX; in ixgbe_can_reuse_rx_page()
1993 struct ixgbe_rx_buffer *rx_buffer, in ixgbe_add_rx_frag() argument
2004 skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page, in ixgbe_add_rx_frag()
2005 rx_buffer->page_offset, size, truesize); in ixgbe_add_rx_frag()
2007 rx_buffer->page_offset ^= truesize; in ixgbe_add_rx_frag()
2009 rx_buffer->page_offset += truesize; in ixgbe_add_rx_frag()
[all …]
/Linux-v6.6/drivers/net/ethernet/intel/igb/
Digb_main.c8451 static bool igb_can_reuse_rx_page(struct igb_rx_buffer *rx_buffer, in igb_can_reuse_rx_page() argument
8454 unsigned int pagecnt_bias = rx_buffer->pagecnt_bias; in igb_can_reuse_rx_page()
8455 struct page *page = rx_buffer->page; in igb_can_reuse_rx_page()
8469 if (rx_buffer->page_offset > IGB_LAST_OFFSET) in igb_can_reuse_rx_page()
8479 rx_buffer->pagecnt_bias = USHRT_MAX; in igb_can_reuse_rx_page()
8495 struct igb_rx_buffer *rx_buffer, in igb_add_rx_frag() argument
8506 skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page, in igb_add_rx_frag()
8507 rx_buffer->page_offset, size, truesize); in igb_add_rx_frag()
8509 rx_buffer->page_offset ^= truesize; in igb_add_rx_frag()
8511 rx_buffer->page_offset += truesize; in igb_add_rx_frag()
[all …]
/Linux-v6.6/drivers/staging/ks7010/
Dks7010_sdio.c426 struct rx_device_buffer *rx_buffer; in ks_wlan_hw_rx() local
435 rx_buffer = &priv->rx_dev.rx_dev_buff[priv->rx_dev.qtail]; in ks_wlan_hw_rx()
437 ret = ks7010_sdio_read(priv, DATA_WINDOW, &rx_buffer->data[0], in ks_wlan_hw_rx()
447 rx_buffer->data, 32); in ks_wlan_hw_rx()
458 hdr = (struct hostif_hdr *)&rx_buffer->data[0]; in ks_wlan_hw_rx()
459 rx_buffer->size = le16_to_cpu(hdr->size) + sizeof(hdr->size); in ks_wlan_hw_rx()
/Linux-v6.6/drivers/staging/pi433/
Dpi433_if.c92 u8 *rx_buffer; member
531 &dev->rx_buffer[dev->rx_position], in pi433_receive()
801 retval = copy_to_user(buf, device->rx_buffer, bytes_received); in pi433_read()
1205 device->rx_buffer = kmalloc(MAX_MSG_SIZE, GFP_KERNEL); in pi433_probe()
1206 if (!device->rx_buffer) { in pi433_probe()
1324 kfree(device->rx_buffer); in pi433_probe()
1351 kfree(device->rx_buffer); in pi433_remove()
/Linux-v6.6/drivers/net/wireless/microchip/wilc1000/
Dwlan.c1046 buffer = &wilc->rx_buffer[offset]; in wilc_wlan_handle_isr_ext()
1257 kfree(wilc->rx_buffer); in wilc_wlan_cleanup()
1258 wilc->rx_buffer = NULL; in wilc_wlan_cleanup()
1510 if (!wilc->rx_buffer) in wilc_wlan_init()
1511 wilc->rx_buffer = kmalloc(WILC_RX_BUFF_SIZE, GFP_KERNEL); in wilc_wlan_init()
1513 if (!wilc->rx_buffer) { in wilc_wlan_init()
1528 kfree(wilc->rx_buffer); in wilc_wlan_init()
1529 wilc->rx_buffer = NULL; in wilc_wlan_init()
/Linux-v6.6/drivers/net/wan/
Dfsl_ucc_hdlc.h80 u8 *rx_buffer; member
Dfsl_ucc_hdlc.c299 priv->rx_buffer = bd_buffer; in uhdlc_init()
554 bdbuffer = priv->rx_buffer + in hdlc_rx_done()
791 if (priv->rx_buffer) { in uhdlc_memclean()
794 priv->rx_buffer, priv->dma_rx_addr); in uhdlc_memclean()
795 priv->rx_buffer = NULL; in uhdlc_memclean()
/Linux-v6.6/drivers/input/keyboard/
Dapplespi.c378 u8 *rx_buffer; member
561 rd_t->rx_buf = applespi->rx_buffer; in applespi_setup_read_txfrs()
1415 applespi_get_trace_fun(evt_type)(evt_type, PT_READ, applespi->rx_buffer, in applespi_debug_print_read_packet()
1429 if (!applespi_verify_crc(applespi, applespi->rx_buffer, in applespi_got_data()
1447 packet = (struct spi_packet *)applespi->rx_buffer; in applespi_got_data()
1667 applespi->rx_buffer = devm_kmalloc(&spi->dev, APPLESPI_PACKET_SIZE, in applespi_probe()
1674 !applespi->rx_buffer || !applespi->msg_buf) in applespi_probe()

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