-
-/**
- * t3_get_desc - dump an SGE descriptor for debugging purposes
- * @qs: the queue set
- * @qnum: identifies the specific queue (0..2: Tx, 3:response, 4..5: Rx)
- * @idx: the descriptor index in the queue
- * @data: where to dump the descriptor contents
- *
- * Dumps the contents of a HW descriptor of an SGE queue. Returns the
- * size of the descriptor.
- */
-int t3_get_desc(const struct sge_qset *qs, unsigned int qnum, unsigned int idx,
- unsigned char *data)
-{
- if (qnum >= 6)
- return -EINVAL;
-
- if (qnum < 3) {
- if (!qs->txq[qnum].desc || idx >= qs->txq[qnum].size)
- return -EINVAL;
- memcpy(data, &qs->txq[qnum].desc[idx], sizeof(struct tx_desc));
- return sizeof(struct tx_desc);
- }
-
- if (qnum == 3) {
- if (!qs->rspq.desc || idx >= qs->rspq.size)
- return -EINVAL;
- memcpy(data, &qs->rspq.desc[idx], sizeof(struct rsp_desc));
- return sizeof(struct rsp_desc);
- }
-
- qnum -= 4;
- if (!qs->fl[qnum].desc || idx >= qs->fl[qnum].size)
- return -EINVAL;
- memcpy(data, &qs->fl[qnum].desc[idx], sizeof(struct rx_desc));
- return sizeof(struct rx_desc);
-}