337 mppe_compress(void *arg, unsigned char *ibuf, unsigned char *obuf,  in mppe_compress()  argument
364 	obuf[0] = PPP_ADDRESS(ibuf);  in mppe_compress()
365 	obuf[1] = PPP_CONTROL(ibuf);  in mppe_compress()
366 	put_unaligned_be16(PPP_COMP, obuf + 2);  in mppe_compress()
367 	obuf += PPP_HDRLEN;  in mppe_compress()
373 	put_unaligned_be16(state->ccount, obuf);  in mppe_compress()
385 	obuf[0] |= state->bits;  in mppe_compress()
388 	obuf += MPPE_OVHD;  in mppe_compress()
392 	arc4_crypt(&state->arc4, obuf, ibuf, isize);  in mppe_compress()
434 mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf,  in mppe_decompress()  argument
555 	obuf[0] = PPP_ADDRESS(ibuf);	/* +1 */  in mppe_decompress()
556 	obuf[1] = PPP_CONTROL(ibuf);	/* +1 */  in mppe_decompress()
557 	obuf += 2;  in mppe_decompress()
566 	arc4_crypt(&state->arc4, obuf, ibuf, 1);  in mppe_decompress()
573 	if ((obuf[0] & 0x01) != 0) {  in mppe_decompress()
574 		obuf[1] = obuf[0];  in mppe_decompress()
575 		obuf[0] = 0;  in mppe_decompress()
576 		obuf++;  in mppe_decompress()
581 	arc4_crypt(&state->arc4, obuf + 1, ibuf + 1, isize - 1);  in mppe_decompress()