tx_upper_limit     99 dev/isa/if_ex.c 	      tx_upper_limit;	/* Lower and upper limits of transmit buffer. */
tx_upper_limit    358 dev/isa/if_ex.c 	sc->tx_upper_limit = sc->mem_size - 2;
tx_upper_limit    362 dev/isa/if_ex.c 	ISA_PUT(XMT_UPPER_LIMIT_REG, sc->tx_upper_limit >> 8);
tx_upper_limit    461 dev/isa/if_ex.c 			if (next > sc->tx_upper_limit) {
tx_upper_limit    462 dev/isa/if_ex.c 				if ((sc->tx_upper_limit + 2 - sc->tx_tail) <= 
tx_upper_limit    468 dev/isa/if_ex.c 					    sc->tx_upper_limit - 2;