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authorHariprasad Shenai <hariprasad@chelsio.com>2014-08-04 15:31:30 +0400
committerDavid S. Miller <davem@davemloft.net>2014-08-04 23:51:28 +0400
commit5fa766946ba3ef88374445ec014f0e72481fd63a (patch)
tree7eebee180c38ad36e0fedfe79635f36770513555 /drivers/net
parent4b7a9168e1f795368458cc4ca92224c4481bedf8 (diff)
downloadlinux-5fa766946ba3ef88374445ec014f0e72481fd63a.tar.xz
cxgb4: only free allocated fls
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h1
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/sge.c35
2 files changed, 22 insertions, 14 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 46156210df34..c9b922cc3e67 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -866,6 +866,7 @@ void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
void *t4_alloc_mem(size_t size);
void t4_free_sge_resources(struct adapter *adap);
+void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
irq_handler_t t4_intr_handler(struct adapter *adap);
netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev);
int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index 8bae1aa744a7..b0bba32d69d5 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2480,6 +2480,22 @@ static void free_rspq_fl(struct adapter *adap, struct sge_rspq *rq,
}
/**
+ * t4_free_ofld_rxqs - free a block of consecutive Rx queues
+ * @adap: the adapter
+ * @n: number of queues
+ * @q: pointer to first queue
+ *
+ * Release the resources of a consecutive block of offload Rx queues.
+ */
+void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q)
+{
+ for ( ; n; n--, q++)
+ if (q->rspq.desc)
+ free_rspq_fl(adap, &q->rspq,
+ q->fl.size ? &q->fl : NULL);
+}
+
+/**
* t4_free_sge_resources - free SGE resources
* @adap: the adapter
*
@@ -2490,12 +2506,12 @@ void t4_free_sge_resources(struct adapter *adap)
int i;
struct sge_eth_rxq *eq = adap->sge.ethrxq;
struct sge_eth_txq *etq = adap->sge.ethtxq;
- struct sge_ofld_rxq *oq = adap->sge.ofldrxq;
/* clean up Ethernet Tx/Rx queues */
for (i = 0; i < adap->sge.ethqsets; i++, eq++, etq++) {
if (eq->rspq.desc)
- free_rspq_fl(adap, &eq->rspq, &eq->fl);
+ free_rspq_fl(adap, &eq->rspq,
+ eq->fl.size ? &eq->fl : NULL);
if (etq->q.desc) {
t4_eth_eq_free(adap, adap->fn, adap->fn, 0,
etq->q.cntxt_id);
@@ -2506,18 +2522,9 @@ void t4_free_sge_resources(struct adapter *adap)
}
/* clean up RDMA and iSCSI Rx queues */
- for (i = 0; i < adap->sge.ofldqsets; i++, oq++) {
- if (oq->rspq.desc)
- free_rspq_fl(adap, &oq->rspq, &oq->fl);
- }
- for (i = 0, oq = adap->sge.rdmarxq; i < adap->sge.rdmaqs; i++, oq++) {
- if (oq->rspq.desc)
- free_rspq_fl(adap, &oq->rspq, &oq->fl);
- }
- for (i = 0, oq = adap->sge.rdmaciq; i < adap->sge.rdmaciqs; i++, oq++) {
- if (oq->rspq.desc)
- free_rspq_fl(adap, &oq->rspq, &oq->fl);
- }
+ t4_free_ofld_rxqs(adap, adap->sge.ofldqsets, adap->sge.ofldrxq);
+ t4_free_ofld_rxqs(adap, adap->sge.rdmaqs, adap->sge.rdmarxq);
+ t4_free_ofld_rxqs(adap, adap->sge.rdmaciqs, adap->sge.rdmaciq);
/* clean up offload Tx queues */
for (i = 0; i < ARRAY_SIZE(adap->sge.ofldtxq); i++) {