drivers/tty/n_tty.c

80 #define ECHO_DISCARD_WATERMARK	N_TTY_BUF_SIZE - (ECHO_BLOCK + 32)
112 	u8 read_buf[N_TTY_BUF_SIZE];
113 	DECLARE_BITMAP(read_flags, N_TTY_BUF_SIZE);
114 	u8 echo_buf[N_TTY_BUF_SIZE];
132 #define MASK(x) ((x) & (N_TTY_BUF_SIZE - 1))
171 	size_t size = N_TTY_BUF_SIZE - tail;  in tty_copy()
254 		if (N_TTY_BUF_SIZE - read_cnt(ldata) >= TTY_THRESHOLD_THROTTLE)  in n_tty_check_throttle()
325 	bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);  in reset_buffer_flags()
1530 		size_t n = min(count, N_TTY_BUF_SIZE - head);  in n_tty_receive_buf_real_raw()
1720 		room = N_TTY_BUF_SIZE - (ldata->read_head - tail);  in n_tty_receive_buf_common()
1805 		bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);  in n_tty_set_termios()
1973 	n = min3(head - ldata->read_tail, N_TTY_BUF_SIZE - tail, *nr);  in copy_from_read_buf()
2035 	size = min_t(size_t, tail + n, N_TTY_BUF_SIZE);  in canon_copy_from_read_buf()
2042 	if (eol == N_TTY_BUF_SIZE && more) {  in canon_copy_from_read_buf()
2050 	if (n > N_TTY_BUF_SIZE)  in canon_copy_from_read_buf()
2051 		n += N_TTY_BUF_SIZE;  in canon_copy_from_read_buf()
2098 	tail &= (N_TTY_BUF_SIZE - 1);  in canon_skip_eof()