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authorDimitris Michailidis <dm@chelsio.com>2010-08-23 17:20:58 +0000
committerDavid S. Miller <davem@davemloft.net>2010-08-23 20:38:13 -0700
commite46dab4d4be87769b09404135bc34f89e2e155d8 (patch)
tree65f0b0a321939c4b12d40e7674ce93c699c2843e /drivers/net/cxgb4/sge.c
parentf04b4dd2b1f533cef0507e0410ffc6732d21a272 (diff)
downloadblackbird-op-linux-e46dab4d4be87769b09404135bc34f89e2e155d8.tar.gz
blackbird-op-linux-e46dab4d4be87769b09404135bc34f89e2e155d8.zip
cxgb4: handle Rx/Tx queue ranges not starting at 0
Currently the driver assumes that queue IDs start at 0 but that's true only for function 0. To support operation on other functions get the start of the queue ranges from FW and offset accordingly. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/cxgb4/sge.c')
-rw-r--r--drivers/net/cxgb4/sge.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/cxgb4/sge.c b/drivers/net/cxgb4/sge.c
index bf38cfc57565..44c2e6c9f073 100644
--- a/drivers/net/cxgb4/sge.c
+++ b/drivers/net/cxgb4/sge.c
@@ -557,7 +557,8 @@ out: cred = q->avail - cred;
if (unlikely(fl_starving(q))) {
smp_wmb();
- set_bit(q->cntxt_id, adap->sge.starving_fl);
+ set_bit(q->cntxt_id - adap->sge.egr_start,
+ adap->sge.starving_fl);
}
return cred;
@@ -1213,7 +1214,8 @@ static void txq_stop_maperr(struct sge_ofld_txq *q)
{
q->mapping_err++;
q->q.stops++;
- set_bit(q->q.cntxt_id, q->adap->sge.txq_maperr);
+ set_bit(q->q.cntxt_id - q->adap->sge.egr_start,
+ q->adap->sge.txq_maperr);
}
/**
@@ -1835,6 +1837,7 @@ static unsigned int process_intrq(struct adapter *adap)
if (RSPD_TYPE(rc->type_gen) == RSP_TYPE_INTR) {
unsigned int qid = ntohl(rc->pldbuflen_qid);
+ qid -= adap->sge.ingr_start;
napi_schedule(&adap->sge.ingr_map[qid]->napi);
}
@@ -2050,14 +2053,14 @@ int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq,
/* set offset to -1 to distinguish ingress queues without FL */
iq->offset = fl ? 0 : -1;
- adap->sge.ingr_map[iq->cntxt_id] = iq;
+ adap->sge.ingr_map[iq->cntxt_id - adap->sge.ingr_start] = iq;
if (fl) {
fl->cntxt_id = ntohs(c.fl0id);
fl->avail = fl->pend_cred = 0;
fl->pidx = fl->cidx = 0;
fl->alloc_failed = fl->large_alloc_failed = fl->starving = 0;
- adap->sge.egr_map[fl->cntxt_id] = fl;
+ adap->sge.egr_map[fl->cntxt_id - adap->sge.egr_start] = fl;
refill_fl(adap, fl, fl_cap(fl), GFP_KERNEL);
}
return 0;
@@ -2087,7 +2090,7 @@ static void init_txq(struct adapter *adap, struct sge_txq *q, unsigned int id)
q->stops = q->restarts = 0;
q->stat = (void *)&q->desc[q->size];
q->cntxt_id = id;
- adap->sge.egr_map[id] = q;
+ adap->sge.egr_map[id - adap->sge.egr_start] = q;
}
int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq,
@@ -2259,7 +2262,7 @@ static void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq,
{
unsigned int fl_id = fl ? fl->cntxt_id : 0xffff;
- adap->sge.ingr_map[rq->cntxt_id] = NULL;
+ adap->sge.ingr_map[rq->cntxt_id - adap->sge.ingr_start] = NULL;
t4_iq_free(adap, adap->fn, adap->fn, 0, FW_IQ_TYPE_FL_INT_CAP,
rq->cntxt_id, fl_id, 0xffff);
dma_free_coherent(adap->pdev_dev, (rq->size + 1) * rq->iqe_len,
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