120 	u16 len = fm10k_fifo_head_len(fifo);  in fm10k_fifo_head_drop()  local
123 	fifo->head += len;  in fm10k_fifo_head_drop()
125 	return len;  in fm10k_fifo_head_drop()
151 	u16 len = tail - head;  in fm10k_mbx_index_len()  local
154 	if (len > tail)  in fm10k_mbx_index_len()
155 		len -= 2;  in fm10k_mbx_index_len()
157 	return len & ((mbx->mbmem_len << 1) - 1);  in fm10k_mbx_index_len()
254 				  const u32 *msg, u16 tail_offset, u16 len)  in fm10k_fifo_write_copy()  argument
263 	if (end < len)  in fm10k_fifo_write_copy()
264 		memcpy(fifo->buffer, msg + end, (len - end) << 2);  in fm10k_fifo_write_copy()
266 		end = len;  in fm10k_fifo_write_copy()
283 	u16 len = FM10K_TLV_DWORD_LEN(*msg);  in fm10k_fifo_enqueue()  local
286 	if (len > fifo->size)  in fm10k_fifo_enqueue()
290 	if (len > fm10k_fifo_unused(fifo))  in fm10k_fifo_enqueue()
294 	fm10k_fifo_write_copy(fifo, msg, 0, len);  in fm10k_fifo_enqueue()
300 	fifo->tail += len;  in fm10k_fifo_enqueue()
313 static u16 fm10k_mbx_validate_msg_size(struct fm10k_mbx_info *mbx, u16 len)  in fm10k_mbx_validate_msg_size()  argument
320 	len += mbx->pushed;  in fm10k_mbx_validate_msg_size()
327 	} while (total_len < len);  in fm10k_mbx_validate_msg_size()
330 	if ((len < total_len) && (msg_len <= mbx->max_size))  in fm10k_mbx_validate_msg_size()
334 	return (len < total_len) ? len : (len - total_len);  in fm10k_mbx_validate_msg_size()
351 	u16 end, len, tail, mask;  in fm10k_mbx_write_copy()  local
358 	len = mbx->tail_len;  in fm10k_mbx_write_copy()
359 	tail = fm10k_mbx_tail_sub(mbx, len);  in fm10k_mbx_write_copy()
371 	for (end = fifo->size - end; len; head = fifo->buffer) {  in fm10k_mbx_write_copy()
380 		} while (--len && --end);  in fm10k_mbx_write_copy()
398 	u16 mbmem_len, len, ack = fm10k_mbx_index_len(mbx, head, mbx->tail);  in fm10k_mbx_pull_head()  local
406 	len = fm10k_fifo_used(fifo) - mbx->pulled;  in fm10k_mbx_pull_head()
407 	if (len > mbmem_len)  in fm10k_mbx_pull_head()
408 		len = mbmem_len;  in fm10k_mbx_pull_head()
411 	mbx->tail = fm10k_mbx_tail_add(mbx, len - ack);  in fm10k_mbx_pull_head()
412 	mbx->tail_len = len;  in fm10k_mbx_pull_head()
415 	for (len = fm10k_fifo_head_len(fifo);  in fm10k_mbx_pull_head()
416 	     len && (mbx->pulled >= len);  in fm10k_mbx_pull_head()
417 	     len = fm10k_fifo_head_len(fifo)) {  in fm10k_mbx_pull_head()
420 		mbx->tx_dwords += len;  in fm10k_mbx_pull_head()
442 	u16 end, len, head;  in fm10k_mbx_read_copy()  local
445 	len = mbx->head_len;  in fm10k_mbx_read_copy()
446 	head = fm10k_mbx_head_sub(mbx, len);  in fm10k_mbx_read_copy()
455 	for (end = fifo->size - end; len; tail = fifo->buffer) {  in fm10k_mbx_read_copy()
464 		} while (--len && --end);  in fm10k_mbx_read_copy()
487 	u16 len, seq = fm10k_mbx_index_len(mbx, mbx->head, tail);  in fm10k_mbx_push_tail()  local
490 	len = fm10k_fifo_unused(fifo) - mbx->pushed;  in fm10k_mbx_push_tail()
491 	if (len > seq)  in fm10k_mbx_push_tail()
492 		len = seq;  in fm10k_mbx_push_tail()
495 	mbx->head = fm10k_mbx_head_add(mbx, len);  in fm10k_mbx_push_tail()
496 	mbx->head_len = len;  in fm10k_mbx_push_tail()
499 	if (!len)  in fm10k_mbx_push_tail()
506 	if (fm10k_mbx_validate_msg_size(mbx, len))  in fm10k_mbx_push_tail()
510 	mbx->pushed += len;  in fm10k_mbx_push_tail()
513 	for (len = fm10k_mbx_pushed_tail_len(mbx);  in fm10k_mbx_push_tail()
514 	     len && (mbx->pushed >= len);  in fm10k_mbx_push_tail()
515 	     len = fm10k_mbx_pushed_tail_len(mbx)) {  in fm10k_mbx_push_tail()
516 		fifo->tail += len;  in fm10k_mbx_push_tail()
517 		mbx->pushed -= len;  in fm10k_mbx_push_tail()
519 		mbx->rx_dwords += len;  in fm10k_mbx_push_tail()
571 static u16 fm10k_crc_16b(const u32 *data, u16 seed, u16 len)  in fm10k_crc_16b()  argument
575 	while (len--) {  in fm10k_crc_16b()
580 		if (!(len--))  in fm10k_crc_16b()
600 			  u16 len, u16 seed)  in fm10k_fifo_crc()  argument
608 	if (offset < len) {  in fm10k_fifo_crc()
611 		len -= offset;  in fm10k_fifo_crc()
615 	return fm10k_crc_16b(data, seed, len * 2);  in fm10k_fifo_crc()
630 	u16 len = mbx->tail_len - fm10k_mbx_index_len(mbx, head, mbx->tail);  in fm10k_mbx_update_local_crc()  local
636 	mbx->local = fm10k_fifo_crc(&mbx->tx, head, len, mbx->local);  in fm10k_mbx_update_local_crc()
652 	u16 len = mbx->head_len;  in fm10k_mbx_verify_remote_crc()  local
653 	u16 offset = fm10k_fifo_tail_offset(fifo, mbx->pushed) - len;  in fm10k_mbx_verify_remote_crc()
657 	if (len)  in fm10k_mbx_verify_remote_crc()
658 		mbx->remote = fm10k_fifo_crc(fifo, offset, len, mbx->remote);  in fm10k_mbx_verify_remote_crc()
687 static bool fm10k_mbx_tx_ready(struct fm10k_mbx_info *mbx, u16 len)  in fm10k_mbx_tx_ready()  argument
691 	return (mbx->state == FM10K_STATE_OPEN) && (fifo_unused >= len);  in fm10k_mbx_tx_ready()
1070 	u16 len, head, ack;  in fm10k_mbx_reset_work()  local
1082 		len = fm10k_fifo_head_drop(&mbx->tx);  in fm10k_mbx_reset_work()
1084 		if (mbx->pulled >= len)  in fm10k_mbx_reset_work()
1085 			mbx->pulled -= len;  in fm10k_mbx_reset_work()
1112 	u16 len;  in fm10k_mbx_update_max_size()  local
1117 	for (len = fm10k_fifo_head_len(&mbx->tx);  in fm10k_mbx_update_max_size()
1118 	     len > size;  in fm10k_mbx_update_max_size()
1119 	     len = fm10k_fifo_head_len(&mbx->tx)) {  in fm10k_mbx_update_max_size()
1931 	u16 tail_len, len = 0;  in fm10k_sm_mbx_transmit()  local
1942 		msg = fifo->buffer + fm10k_fifo_head_offset(fifo, len);  in fm10k_sm_mbx_transmit()
1943 		tail_len = len;  in fm10k_sm_mbx_transmit()
1944 		len += FM10K_TLV_DWORD_LEN(*msg);  in fm10k_sm_mbx_transmit()
1945 	} while ((len <= mbx->tail_len) && (len < mbmem_len));  in fm10k_sm_mbx_transmit()
2044 	s32 len;  in fm10k_sm_mbx_process_version_1()  local
2062 		len = fm10k_sm_mbx_receive(hw, mbx, tail);  in fm10k_sm_mbx_process_version_1()
2063 		if (len < 0)  in fm10k_sm_mbx_process_version_1()
2064 			return len;  in fm10k_sm_mbx_process_version_1()
2067 	} while (len);  in fm10k_sm_mbx_process_version_1()