net/arcnet/rfc1201.c

141 	struct Incoming *in = &lp->rfc1201.incoming[saddr];
170 		if (in->skb) {	/* already assembling one! */
172 				   in->sequence, soft->split_flag,
175 			dev_kfree_skb_irq(in->skb);
178 			in->skb = NULL;
180 		in->sequence = soft->sequence;
257 			   soft->split_flag, in->sequence);
259 		if (in->skb && in->sequence != soft->sequence) {
261 				   saddr, in->sequence, soft->sequence,
263 			dev_kfree_skb_irq(in->skb);
264 			in->skb = NULL;
267 			in->lastpacket = in->numpackets = 0;
269 		if (soft->split_flag & 1) {	/* first packet in split */
272 			if (in->skb) {	/* already assembling one! */
274 					   in->sequence, soft->split_flag,
278 				dev_kfree_skb_irq(in->skb);
280 			in->sequence = soft->sequence;
281 			in->numpackets = ((unsigned)soft->split_flag >> 1) + 2;
282 			in->lastpacket = 1;
284 			if (in->numpackets > 16) {
292 			in->skb = skb = alloc_skb(508 * in->numpackets + ARC_HDR_SIZE,
314 			if (!in->skb) {
325 			in->lastpacket++;
327 			if (packetnum != in->lastpacket) {
329 				if (packetnum <= in->lastpacket - 1) {
338 					   in->sequence, soft->split_flag,
341 				dev_kfree_skb_irq(in->skb);
342 				in->skb = NULL;
345 				in->lastpacket = in->numpackets = 0;
348 			pkt = (struct archdr *)in->skb->data;
352 		skb = in->skb;
360 		if (in->lastpacket == in->numpackets) {
361 			in->skb = NULL;
362 			in->lastpacket = in->numpackets = 0;
418 	 * This is pretty pointless for most purposes, but it can help in
420 	 * in the actual packet sent.
430 		/* FIXME: fill in the last byte of the dest ipaddr here
431 		 * to better comply with RFC1051 in "noarp" mode.
438 	/* otherwise, drop in the dest address */
486 	/* hard header is not included in packet length */