dev/net/i8254xGBe_defs.hh

226 struct TxDesc {
237 inline bool isLegacy(TxDesc *d) { return !bits(d->d2,29,29); }
238 inline uint8_t getType(TxDesc *d) { return bits(d->d2, 23,20); }
239 inline bool isType(TxDesc *d, uint8_t type) { return getType(d) == type; }
240 inline bool isTypes(TxDesc *d, uint8_t t1, uint8_t t2) { return isType(d, t1) || isType(d, t2); }
241 inline bool isAdvDesc(TxDesc *d) { return !isLegacy(d) && isTypes(d, TXD_ADVDATA,TXD_ADVCNXT);  }
242 inline bool isContext(TxDesc *d) { return !isLegacy(d) && isTypes(d,TXD_CNXT, TXD_ADVCNXT); }
243 inline bool isData(TxDesc *d) { return !isLegacy(d) && isTypes(d, TXD_DATA, TXD_ADVDATA); }
245 inline Addr getBuf(TxDesc *d) { assert(isLegacy(d) || isData(d)); return d->d1; }
246 inline Addr getLen(TxDesc *d) { if (isLegacy(d)) return bits(d->d2,15,0); else return bits(d->d2, 19,0); }
247 inline void setDd(TxDesc *d) { replaceBits(d->d2, 35, 32, ULL(1)); }
249 inline bool ide(TxDesc *d)  { return bits(d->d2, 31,31) && (getType(d) == TXD_DATA || isLegacy(d)); }
250 inline bool vle(TxDesc *d)  { assert(isLegacy(d) || isData(d)); return bits(d->d2, 30,30); }
251 inline bool rs(TxDesc *d)   { return bits(d->d2, 27,27); }
252 inline bool ic(TxDesc *d)   { assert(isLegacy(d) || isData(d)); return isLegacy(d) && bits(d->d2, 26,26); }
253 inline bool tse(TxDesc *d)  {
261 inline bool ifcs(TxDesc *d) { assert(isLegacy(d) || isData(d)); return bits(d->d2, 25,25); }
262 inline bool eop(TxDesc *d)  { assert(isLegacy(d) || isData(d)); return bits(d->d2, 24,24); }
263 inline bool ip(TxDesc *d)   { assert(isContext(d)); return bits(d->d2, 25,25); }
264 inline bool tcp(TxDesc *d)  { assert(isContext(d)); return bits(d->d2, 24,24); }
266 inline uint8_t getCso(TxDesc *d) { assert(isLegacy(d)); return bits(d->d2, 23,16); }
267 inline uint8_t getCss(TxDesc *d) { assert(isLegacy(d)); return bits(d->d2, 47,40); }
269 inline bool ixsm(TxDesc *d)  { return isData(d) && bits(d->d2, 40,40); }
270 inline bool txsm(TxDesc *d)  { return isData(d) && bits(d->d2, 41,41); }
272 inline int tucse(TxDesc *d) { assert(isContext(d)); return bits(d->d1,63,48); }
273 inline int tucso(TxDesc *d) { assert(isContext(d)); return bits(d->d1,47,40); }
274 inline int tucss(TxDesc *d) { assert(isContext(d)); return bits(d->d1,39,32); }
275 inline int ipcse(TxDesc *d) { assert(isContext(d)); return bits(d->d1,31,16); }
276 inline int ipcso(TxDesc *d) { assert(isContext(d)); return bits(d->d1,15,8); }
277 inline int ipcss(TxDesc *d) { assert(isContext(d)); return bits(d->d1,7,0); }
278 inline int mss(TxDesc *d) { assert(isContext(d)); return bits(d->d2,63,48); }
279 inline int hdrlen(TxDesc *d) {
286 inline int getTsoLen(TxDesc *d) { assert(isType(d, TXD_ADVDATA)); return bits(d->d2, 63,46); }
287 inline int utcmd(TxDesc *d) { assert(isContext(d)); return bits(d->d2,24,31); }