43 #include "layer.h"
163    * the async layer record how much it's padded the packet in the mbuf's  in link_PendingLowPriorityData()
251   int layer;  in link_PushPacket()  local
255    * ``push'' function in each layer starting at the top.  in link_PushPacket()
263   bp->priv = 0;		/* Adjusted by the async layer ! */  in link_PushPacket()
264   for (layer = l->nlayers; layer && bp; layer--)  in link_PushPacket()
265     if (l->layer[layer - 1]->push != NULL)  in link_PushPacket()
266       bp = (*l->layer[layer - 1]->push)(b, l, bp, pri, &proto);  in link_PushPacket()
280   int layer;  in link_PullPacket()  local
284    * ``pull'' function in each layer starting at the bottom.  in link_PullPacket()
300   layer = 0;  in link_PullPacket()
302   while (layer || lbp[layer]) {  in link_PullPacket()
303     if (lbp[layer] == NULL) {  in link_PullPacket()
304       layer--;  in link_PullPacket()
307     bp = lbp[layer];  in link_PullPacket()
308     lbp[layer] = bp->m_nextpkt;  in link_PullPacket()
310     proto = lproto[layer];  in link_PullPacket()
312     if (l->layer[layer]->pull != NULL)  in link_PullPacket()
313       bp = (*l->layer[layer]->pull)(b, l, bp, &proto);  in link_PullPacket()
315     if (layer == l->nlayers - 1) {  in link_PullPacket()
316       /* We've just done the top layer, despatch the packet(s) */  in link_PullPacket()
325       lbp[++layer] = bp;  in link_PullPacket()
326       lproto[layer] = proto;  in link_PullPacket()
332 link_Stack(struct link *l, struct layer *layer)  in link_Stack()  argument
334   if (l->nlayers == sizeof l->layer / sizeof l->layer[0]) {  in link_Stack()
335     log_Printf(LogERROR, "%s: Oops, cannot stack a %s layer...\n",  in link_Stack()
336                l->name, layer->name);  in link_Stack()
339   l->layer[l->nlayers++] = layer;  in link_Stack()
403   int layer;  in link_ShowLayers()  local
405   for (layer = l->nlayers; layer; layer--)  in link_ShowLayers()
406     prompt_Printf(arg->prompt, "%s%s", layer == l->nlayers ? "" : ", ",  in link_ShowLayers()
407                   l->layer[layer - 1]->name);  in link_ShowLayers()