Lines Matching refs:tail
1872 u16 head, tail, tx_mask, spage, epage;
1880 tail = readw(ofsAddr + TXwptr);
1882 c = (head > tail) ? (head - tail - 1) : (head - tail + tx_mask);
1891 if (head > tail)
1892 len = head - tail - 1;
1894 len = tx_mask + 1 - tail;
1896 ofs = baseAddr + DynPage_addr + bufhead + tail;
1899 tail = (tail + len) & tx_mask;
1903 pageno = spage + (tail >> 13);
1904 pageofs = tail & Page_mask;
1918 tail = (tail + total) & tx_mask;
1920 writew(tail, ofsAddr + TXwptr);
1931 u16 tail, rx_mask, spage, epage;
1937 tail = readw(ofsAddr + RXwptr);
1941 count = (tail >= head) ? (tail - head) : (tail - head + rx_mask + 1);
1952 len = (tail >= head) ? (tail - head) :