![]() touching transmit descriptors while dma is running causes the front to fall off. new approach keeps a counter of free descriptors in the Ring structure that is incremented by txintr() when transmit completed. txintr() will clean descriptors once dma has stopped and restart dma when there are more descrtors in the chain. |
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386 | ||
68000 | ||
68020 | ||
acme | ||
adm/timezone | ||
alpha | ||
amd64 | ||
arm | ||
lib | ||
mips | ||
power | ||
power64 | ||
rc | ||
sparc | ||
sparc64 | ||
sys | ||
.hgignore |