61 async_Init(struct async *async)  in async_Init()  argument
63   async_Setup(async);  in async_Init()
64   memset(async->cfg.EscMap, '\0', sizeof async->cfg.EscMap);  in async_Init()
68 async_Setup(struct async *async)  in async_Setup()  argument
70   async->mode = MODE_HUNT;  in async_Setup()
71   async->length = 0;  in async_Setup()
72   async->my_accmap = async->his_accmap = 0xffffffff;  in async_Setup()
76 async_SetLinkParams(struct async *async, u_int32_t mymap, u_int32_t hismap)  in async_SetLinkParams()  argument
78   async->my_accmap = mymap;  in async_SetLinkParams()
79   async->his_accmap = hismap | mymap;  in async_SetLinkParams()
86 async_Encode(struct async *async, u_char **cp, u_char c, int proto)  in async_Encode()  argument
91   if ((c < 0x20 && (proto == PROTO_LCP || (async->his_accmap & (1 << c))))  in async_Encode()
96   if (async->cfg.EscMap[32] && async->cfg.EscMap[c >> 3] & (1 << (c & 7))) {  in async_Encode()
121   cp = p->async.xbuff;  in async_LayerPush()
128       async_Encode(&p->async, &cp, *sp++, *proto);  in async_LayerPush()
138   cnt = cp - p->async.xbuff;  in async_LayerPush()
141   memcpy(MBUF_CTOP(bp), p->async.xbuff, cnt);  in async_LayerPush()
149 async_Decode(struct async *async, u_char c)  in async_Decode()  argument
153   if ((async->mode & MODE_HUNT) && c != HDLC_SYN)  in async_Decode()
158     async->mode &= ~MODE_HUNT;  in async_Decode()
159     if (async->length) {		/* packet is ready. */  in async_Decode()
160       bp = m_get(async->length, MB_ASYNCIN);  in async_Decode()
161       mbuf_Write(bp, async->hbuff, async->length);  in async_Decode()
162       async->length = 0;  in async_Decode()
167     if (!(async->mode & MODE_ESC)) {  in async_Decode()
168       async->mode |= MODE_ESC;  in async_Decode()
173     if (async->length >= HDLCSIZE) {  in async_Decode()
176                  async->length);  in async_Decode()
177       async->length = 0;  in async_Decode()
178       async->mode = MODE_HUNT;  in async_Decode()
181     if (async->mode & MODE_ESC) {  in async_Decode()
183       async->mode &= ~MODE_ESC;  in async_Decode()
185     async->hbuff[async->length++] = c;  in async_Decode()
211       *last = async_Decode(&p->async, *ch++);  in async_LayerPull()