}
static int alloc_uld_rxqs(struct adapter *adap,
- struct sge_uld_rxq_info *rxq_info,
- unsigned int nq, unsigned int offset, bool lro)
+ struct sge_uld_rxq_info *rxq_info, bool lro)
{
struct sge *s = &adap->sge;
- struct sge_ofld_rxq *q = rxq_info->uldrxq + offset;
- unsigned short *ids = rxq_info->rspq_id + offset;
- unsigned int per_chan = nq / adap->params.nports;
+ unsigned int nq = rxq_info->nrxq + rxq_info->nciq;
+ struct sge_ofld_rxq *q = rxq_info->uldrxq;
+ unsigned short *ids = rxq_info->rspq_id;
unsigned int bmap_idx = 0;
- int i, err, msi_idx;
+ unsigned int per_chan;
+ int i, err, msi_idx, que_idx = 0;
+
+ per_chan = rxq_info->nrxq / adap->params.nports;
if (adap->flags & USING_MSIX)
msi_idx = 1;
msi_idx = -((int)s->intrq.abs_id + 1);
for (i = 0; i < nq; i++, q++) {
+ if (i == rxq_info->nrxq) {
+ /* start allocation of concentrator queues */
+ per_chan = rxq_info->nciq / adap->params.nports;
+ que_idx = 0;
+ }
+
if (msi_idx >= 0) {
bmap_idx = get_msix_idx_from_bmap(adap);
msi_idx = adap->msix_info_ulds[bmap_idx].idx;
}
err = t4_sge_alloc_rxq(adap, &q->rspq, false,
- adap->port[i / per_chan],
+ adap->port[que_idx++ / per_chan],
msi_idx,
q->fl.size ? &q->fl : NULL,
uldrx_handler,
if (err)
goto freeout;
if (msi_idx >= 0)
- rxq_info->msix_tbl[i + offset] = bmap_idx;
+ rxq_info->msix_tbl[i] = bmap_idx;
memset(&q->stats, 0, sizeof(q->stats));
if (ids)
ids[i] = q->rspq.abs_id;
}
return 0;
freeout:
- q = rxq_info->uldrxq + offset;
+ q = rxq_info->uldrxq;
for ( ; i; i--, q++) {
if (q->rspq.desc)
free_rspq_fl(adap, &q->rspq,
q->fl.size ? &q->fl : NULL);
}
-
- /* We need to free rxq also in case of ciq allocation failure */
- if (offset) {
- q = rxq_info->uldrxq + offset;
- for ( ; i; i--, q++) {
- if (q->rspq.desc)
- free_rspq_fl(adap, &q->rspq,
- q->fl.size ? &q->fl : NULL);
- }
- }
return err;
}
return -ENOMEM;
}
- ret = !(!alloc_uld_rxqs(adap, rxq_info, rxq_info->nrxq, 0, lro) &&
- !alloc_uld_rxqs(adap, rxq_info, rxq_info->nciq,
- rxq_info->nrxq, lro));
+ ret = !(!alloc_uld_rxqs(adap, rxq_info, lro));
/* Tell uP to route control queue completions to rdma rspq */
if (adap->flags & FULL_INIT_DONE &&
quiesce_rx(adap, &rxq_info->uldrxq[idx].rspq);
}
+static void
+free_sge_txq_uld(struct adapter *adap, struct sge_uld_txq_info *txq_info)
+{
+ int nq = txq_info->ntxq;
+ int i;
+
+ for (i = 0; i < nq; i++) {
+ struct sge_uld_txq *txq = &txq_info->uldtxq[i];
+
+ if (txq && txq->q.desc) {
+ tasklet_kill(&txq->qresume_tsk);
+ t4_ofld_eq_free(adap, adap->mbox, adap->pf, 0,
+ txq->q.cntxt_id);
+ free_tx_desc(adap, &txq->q, txq->q.in_use, false);
+ kfree(txq->q.sdesc);
+ __skb_queue_purge(&txq->sendq);
+ free_txq(adap, &txq->q);
+ }
+ }
+}
+
+static int
+alloc_sge_txq_uld(struct adapter *adap, struct sge_uld_txq_info *txq_info,
+ unsigned int uld_type)
+{
+ struct sge *s = &adap->sge;
+ int nq = txq_info->ntxq;
+ int i, j, err;
+
+ j = nq / adap->params.nports;
+ for (i = 0; i < nq; i++) {
+ struct sge_uld_txq *txq = &txq_info->uldtxq[i];
+
+ txq->q.size = 1024;
+ err = t4_sge_alloc_uld_txq(adap, txq, adap->port[i / j],
+ s->fw_evtq.cntxt_id, uld_type);
+ if (err)
+ goto freeout;
+ }
+ return 0;
+freeout:
+ free_sge_txq_uld(adap, txq_info);
+ return err;
+}
+
+static void
+release_sge_txq_uld(struct adapter *adap, unsigned int uld_type)
+{
+ struct sge_uld_txq_info *txq_info = NULL;
+ int tx_uld_type = TX_ULD(uld_type);
+
+ txq_info = adap->sge.uld_txq_info[tx_uld_type];
+
+ if (txq_info && atomic_dec_and_test(&txq_info->users)) {
+ free_sge_txq_uld(adap, txq_info);
+ kfree(txq_info->uldtxq);
+ kfree(txq_info);
+ adap->sge.uld_txq_info[tx_uld_type] = NULL;
+ }
+}
+
+static int
+setup_sge_txq_uld(struct adapter *adap, unsigned int uld_type,
+ const struct cxgb4_uld_info *uld_info)
+{
+ struct sge_uld_txq_info *txq_info = NULL;
+ int tx_uld_type, i;
+
+ tx_uld_type = TX_ULD(uld_type);
+ txq_info = adap->sge.uld_txq_info[tx_uld_type];
+
+ if ((tx_uld_type == CXGB4_TX_OFLD) && txq_info &&
+ (atomic_inc_return(&txq_info->users) > 1))
+ return 0;
+
+ txq_info = kzalloc(sizeof(*txq_info), GFP_KERNEL);
+ if (!txq_info)
+ return -ENOMEM;
+
+ i = min_t(int, uld_info->ntxq, num_online_cpus());
+ txq_info->ntxq = roundup(i, adap->params.nports);
+
+ txq_info->uldtxq = kcalloc(txq_info->ntxq, sizeof(struct sge_uld_txq),
+ GFP_KERNEL);
+ if (!txq_info->uldtxq) {
+ kfree(txq_info->uldtxq);
+ return -ENOMEM;
+ }
+
+ if (alloc_sge_txq_uld(adap, txq_info, tx_uld_type)) {
+ kfree(txq_info->uldtxq);
+ kfree(txq_info);
+ return -ENOMEM;
+ }
+
+ atomic_inc(&txq_info->users);
+ adap->sge.uld_txq_info[tx_uld_type] = txq_info;
+ return 0;
+}
+
static void uld_queue_init(struct adapter *adap, unsigned int uld_type,
struct cxgb4_lld_info *lli)
{
if (!s->uld_rxq_info)
goto err_uld;
+ s->uld_txq_info = kzalloc(CXGB4_TX_MAX *
+ sizeof(struct sge_uld_txq_info *),
+ GFP_KERNEL);
+ if (!s->uld_txq_info)
+ goto err_uld_rx;
return 0;
+
+err_uld_rx:
+ kfree(s->uld_rxq_info);
err_uld:
kfree(adap->uld);
return -ENOMEM;
{
struct sge *s = &adap->sge;
+ kfree(s->uld_txq_info);
kfree(s->uld_rxq_info);
kfree(adap->uld);
}
ret = -EBUSY;
goto free_irq;
}
+ ret = setup_sge_txq_uld(adap, type, p);
+ if (ret)
+ goto free_irq;
adap->uld[type] = *p;
uld_attach(adap, type);
adap_idx++;
break;
adap->uld[type].handle = NULL;
adap->uld[type].add = NULL;
+ release_sge_txq_uld(adap, type);
if (adap->flags & FULL_INIT_DONE)
quiesce_rx_uld(adap, type);
if (adap->flags & USING_MSIX)
continue;
adap->uld[type].handle = NULL;
adap->uld[type].add = NULL;
+ release_sge_txq_uld(adap, type);
if (adap->flags & FULL_INIT_DONE)
quiesce_rx_uld(adap, type);
if (adap->flags & USING_MSIX)
projects / karo-tx-linux.git / blobdiff