tail = (read_reg(E1000_RDT) + 1) % RDARRAY_SIZE; if (!(RXDarray[tail].status & 1)) { //cprintf("RXDarray empty tail %d\n", tail); return -E_NO_MEM; } //cprintf("receive tail %d length %d\n", tail, RXDarray[tail].length); RXDarray[tail].status &= (~1); memcpy(dst...
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