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authorMatthew Wilcox <willy@infradead.org>2019-02-21 03:20:57 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-03-29 20:51:50 +0300
commit0ee3b915b1b03c4deeea9d47af3e6a8e5e66c262 (patch)
treec2fc38be872b21b3618447323fcecf318d2dbbf8 /drivers/infiniband/hw/hfi1/vnic_main.c
parent736b5a70db9875970dca0f89a9036d17835771ee (diff)
downloadlinux-0ee3b915b1b03c4deeea9d47af3e6a8e5e66c262.tar.xz
hfi1: Convert vesw_idr to XArray
Signed-off-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/vnic_main.c')
-rw-r--r--drivers/infiniband/hw/hfi1/vnic_main.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/hfi1/vnic_main.c b/drivers/infiniband/hw/hfi1/vnic_main.c
index a922db58be14..4d5683919b1f 100644
--- a/drivers/infiniband/hw/hfi1/vnic_main.c
+++ b/drivers/infiniband/hw/hfi1/vnic_main.c
@@ -162,12 +162,12 @@ static void deallocate_vnic_ctxt(struct hfi1_devdata *dd,
void hfi1_vnic_setup(struct hfi1_devdata *dd)
{
- idr_init(&dd->vnic.vesw_idr);
+ xa_init(&dd->vnic.vesws);
}
void hfi1_vnic_cleanup(struct hfi1_devdata *dd)
{
- idr_destroy(&dd->vnic.vesw_idr);
+ WARN_ON(!xa_empty(&dd->vnic.vesws));
}
#define SUM_GRP_COUNTERS(stats, qstats, x_grp) do { \
@@ -534,7 +534,7 @@ void hfi1_vnic_bypass_rcv(struct hfi1_packet *packet)
l4_type = hfi1_16B_get_l4(packet->ebuf);
if (likely(l4_type == OPA_16B_L4_ETHR)) {
vesw_id = HFI1_VNIC_GET_VESWID(packet->ebuf);
- vinfo = idr_find(&dd->vnic.vesw_idr, vesw_id);
+ vinfo = xa_load(&dd->vnic.vesws, vesw_id);
/*
* In case of invalid vesw id, count the error on
@@ -542,9 +542,10 @@ void hfi1_vnic_bypass_rcv(struct hfi1_packet *packet)
*/
if (unlikely(!vinfo)) {
struct hfi1_vnic_vport_info *vinfo_tmp;
- int id_tmp = 0;
+ unsigned long index = 0;
- vinfo_tmp = idr_get_next(&dd->vnic.vesw_idr, &id_tmp);
+ vinfo_tmp = xa_find(&dd->vnic.vesws, &index, ULONG_MAX,
+ XA_PRESENT);
if (vinfo_tmp) {
spin_lock(&vport_cntr_lock);
vinfo_tmp->stats[0].netstats.rx_nohandler++;
@@ -598,8 +599,7 @@ static int hfi1_vnic_up(struct hfi1_vnic_vport_info *vinfo)
if (!vinfo->vesw_id)
return -EINVAL;
- rc = idr_alloc(&dd->vnic.vesw_idr, vinfo, vinfo->vesw_id,
- vinfo->vesw_id + 1, GFP_NOWAIT);
+ rc = xa_insert(&dd->vnic.vesws, vinfo->vesw_id, vinfo, GFP_KERNEL);
if (rc < 0)
return rc;
@@ -625,7 +625,7 @@ static void hfi1_vnic_down(struct hfi1_vnic_vport_info *vinfo)
clear_bit(HFI1_VNIC_UP, &vinfo->flags);
netif_carrier_off(vinfo->netdev);
netif_tx_disable(vinfo->netdev);
- idr_remove(&dd->vnic.vesw_idr, vinfo->vesw_id);
+ xa_erase(&dd->vnic.vesws, vinfo->vesw_id);
/* ensure irqs see the change */
msix_vnic_synchronize_irq(dd);