338 	if (!mbx->tail_len)  in fm10k_mbx_write_copy()
343 	len = mbx->tail_len;  in fm10k_mbx_write_copy()
389 	mbx->pulled += mbx->tail_len - ack;  in fm10k_mbx_pull_head()
399 	mbx->tail_len = len;  in fm10k_mbx_pull_head()
619 	u16 len = mbx->tail_len - fm10k_mbx_index_len(mbx, head, mbx->tail);  in fm10k_mbx_update_local_crc()
774 	if (!mbx->tail_len)  in fm10k_mbx_enqueue_tx()
859 	if (mbx->tail_len)  in fm10k_mbx_create_data_hdr()
864 			     mbx->tail_len, mbx->local);  in fm10k_mbx_create_data_hdr()
975 		if (fm10k_mbx_index_len(mbx, head, mbx->tail) > mbx->tail_len)  in fm10k_mbx_validate_msg_hdr()
1030 		if (mbx->tail_len || (mbx->state == FM10K_STATE_OPEN))  in fm10k_mbx_create_reply()
1067 	mbx->pulled += mbx->tail_len - ack;  in fm10k_mbx_reset_work()
1082 	mbx->tail_len = 0;  in fm10k_mbx_reset_work()
1632 	if (mbx->tail_len)  in fm10k_sm_mbx_create_data_hdr()
1792 		if (fm10k_mbx_index_len(mbx, head, mbx->tail) > mbx->tail_len)  in fm10k_sm_mbx_validate_fifo_hdr()
1923 	u16 tail_len, len = 0;  in fm10k_sm_mbx_transmit()  local
1936 		tail_len = len;  in fm10k_sm_mbx_transmit()
1938 	} while ((len <= mbx->tail_len) && (len < mbmem_len));  in fm10k_sm_mbx_transmit()
1941 	if (mbx->tail_len > tail_len) {  in fm10k_sm_mbx_transmit()
1942 		mbx->tail = fm10k_mbx_tail_sub(mbx, mbx->tail_len - tail_len);  in fm10k_sm_mbx_transmit()
1943 		mbx->tail_len = tail_len;  in fm10k_sm_mbx_transmit()
1972 		if (mbx->tail_len || (mbx->state == FM10K_STATE_OPEN)) {  in fm10k_sm_mbx_create_reply()