Lines Matching refs:buffer
26 struct ef4_tx_buffer *buffer) in ef4_tx_get_copy_buffer() argument
38 buffer->dma_addr = page_buf->dma_addr + offset; in ef4_tx_get_copy_buffer()
39 buffer->unmap_len = 0; in ef4_tx_get_copy_buffer()
44 struct ef4_tx_buffer *buffer, in ef4_dequeue_buffer() argument
48 if (buffer->unmap_len) { in ef4_dequeue_buffer()
50 dma_addr_t unmap_addr = buffer->dma_addr - buffer->dma_offset; in ef4_dequeue_buffer()
51 if (buffer->flags & EF4_TX_BUF_MAP_SINGLE) in ef4_dequeue_buffer()
52 dma_unmap_single(dma_dev, unmap_addr, buffer->unmap_len, in ef4_dequeue_buffer()
55 dma_unmap_page(dma_dev, unmap_addr, buffer->unmap_len, in ef4_dequeue_buffer()
57 buffer->unmap_len = 0; in ef4_dequeue_buffer()
60 if (buffer->flags & EF4_TX_BUF_SKB) { in ef4_dequeue_buffer()
62 (*bytes_compl) += buffer->skb->len; in ef4_dequeue_buffer()
63 dev_consume_skb_any((struct sk_buff *)buffer->skb); in ef4_dequeue_buffer()
69 buffer->len = 0; in ef4_dequeue_buffer()
70 buffer->flags = 0; in ef4_dequeue_buffer()
145 struct ef4_tx_buffer *buffer; in ef4_enqueue_skb_copy() local
151 buffer = ef4_tx_queue_get_insert_buffer(tx_queue); in ef4_enqueue_skb_copy()
153 copy_buffer = ef4_tx_get_copy_buffer(tx_queue, buffer); in ef4_enqueue_skb_copy()
161 buffer->len = min_len; in ef4_enqueue_skb_copy()
163 buffer->len = copy_len; in ef4_enqueue_skb_copy()
166 buffer->skb = skb; in ef4_enqueue_skb_copy()
167 buffer->flags = EF4_TX_BUF_SKB; in ef4_enqueue_skb_copy()
178 struct ef4_tx_buffer *buffer; in ef4_tx_map_chunk() local
183 buffer = ef4_tx_queue_get_insert_buffer(tx_queue); in ef4_tx_map_chunk()
186 buffer->len = dma_len; in ef4_tx_map_chunk()
187 buffer->dma_addr = dma_addr; in ef4_tx_map_chunk()
188 buffer->flags = EF4_TX_BUF_CONT; in ef4_tx_map_chunk()
194 return buffer; in ef4_tx_map_chunk()
223 struct ef4_tx_buffer *buffer; in ef4_tx_map_data() local
226 buffer = ef4_tx_map_chunk(tx_queue, dma_addr, len); in ef4_tx_map_data()
231 buffer->flags = EF4_TX_BUF_CONT | dma_flags; in ef4_tx_map_data()
232 buffer->unmap_len = unmap_len; in ef4_tx_map_data()
233 buffer->dma_offset = buffer->dma_addr - unmap_addr; in ef4_tx_map_data()
239 buffer->skb = skb; in ef4_tx_map_data()
240 buffer->flags = EF4_TX_BUF_SKB | dma_flags; in ef4_tx_map_data()
263 struct ef4_tx_buffer *buffer; in ef4_enqueue_unwind() local
268 buffer = __ef4_tx_queue_get_insert_buffer(tx_queue); in ef4_enqueue_unwind()
269 ef4_dequeue_buffer(tx_queue, buffer, NULL, NULL); in ef4_enqueue_unwind()
359 struct ef4_tx_buffer *buffer = &tx_queue->buffer[read_ptr]; in ef4_dequeue_buffers() local
361 if (!(buffer->flags & EF4_TX_BUF_OPTION) && in ef4_dequeue_buffers()
362 unlikely(buffer->len == 0)) { in ef4_dequeue_buffers()
370 ef4_dequeue_buffer(tx_queue, buffer, pkts_compl, bytes_compl); in ef4_dequeue_buffers()
453 if (!tx_queue->buffer) { in ef4_setup_tc()
547 tx_queue->buffer = kcalloc(entries, sizeof(*tx_queue->buffer), in ef4_probe_tx_queue()
549 if (!tx_queue->buffer) in ef4_probe_tx_queue()
570 kfree(tx_queue->buffer); in ef4_probe_tx_queue()
571 tx_queue->buffer = NULL; in ef4_probe_tx_queue()
601 struct ef4_tx_buffer *buffer; in ef4_fini_tx_queue() local
606 if (!tx_queue->buffer) in ef4_fini_tx_queue()
612 buffer = &tx_queue->buffer[tx_queue->read_count & tx_queue->ptr_mask]; in ef4_fini_tx_queue()
613 ef4_dequeue_buffer(tx_queue, buffer, &pkts_compl, &bytes_compl); in ef4_fini_tx_queue()
625 if (!tx_queue->buffer) in ef4_remove_tx_queue()
640 kfree(tx_queue->buffer); in ef4_remove_tx_queue()
641 tx_queue->buffer = NULL; in ef4_remove_tx_queue()