337 	if (!mbx->tail_len)  in fm10k_mbx_write_copy()
342 	len = mbx->tail_len;  in fm10k_mbx_write_copy()
388 	mbx->pulled += mbx->tail_len - ack;  in fm10k_mbx_pull_head()
398 	mbx->tail_len = len;  in fm10k_mbx_pull_head()
618 	u16 len = mbx->tail_len - fm10k_mbx_index_len(mbx, head, mbx->tail);  in fm10k_mbx_update_local_crc()
773 	if (!mbx->tail_len)  in fm10k_mbx_enqueue_tx()
858 	if (mbx->tail_len)  in fm10k_mbx_create_data_hdr()
863 			     mbx->tail_len, mbx->local);  in fm10k_mbx_create_data_hdr()
974 		if (fm10k_mbx_index_len(mbx, head, mbx->tail) > mbx->tail_len)  in fm10k_mbx_validate_msg_hdr()
1029 		if (mbx->tail_len || (mbx->state == FM10K_STATE_OPEN))  in fm10k_mbx_create_reply()
1066 	mbx->pulled += mbx->tail_len - ack;  in fm10k_mbx_reset_work()
1081 	mbx->tail_len = 0;  in fm10k_mbx_reset_work()
1631 	if (mbx->tail_len)  in fm10k_sm_mbx_create_data_hdr()
1791 		if (fm10k_mbx_index_len(mbx, head, mbx->tail) > mbx->tail_len)  in fm10k_sm_mbx_validate_fifo_hdr()
1922 	u16 tail_len, len = 0;  in fm10k_sm_mbx_transmit()  local
1934 		tail_len = len;  in fm10k_sm_mbx_transmit()
1936 	} while ((len <= mbx->tail_len) && (len < mbmem_len));  in fm10k_sm_mbx_transmit()
1939 	if (mbx->tail_len > tail_len) {  in fm10k_sm_mbx_transmit()
1940 		mbx->tail = fm10k_mbx_tail_sub(mbx, mbx->tail_len - tail_len);  in fm10k_sm_mbx_transmit()
1941 		mbx->tail_len = tail_len;  in fm10k_sm_mbx_transmit()
1970 		if (mbx->tail_len || (mbx->state == FM10K_STATE_OPEN)) {  in fm10k_sm_mbx_create_reply()