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authorVipul Pandya <vipul@chelsio.com>2013-03-14 09:09:04 +0400
committerDavid S. Miller <davem@davemloft.net>2013-03-14 19:35:59 +0400
commit9919d5bd01b9eaf4928439e804dd70de24ea9637 (patch)
treeab416919eae862b333fba267839b062b241004ee /drivers/infiniband
parent3b174d942c927a5064c890ed7b326673c8fa1679 (diff)
downloadlinux-9919d5bd01b9eaf4928439e804dd70de24ea9637.tar.xz
RDMA/cxgb4: Fix onchip queue support for T5
T5 adapter does not support onchip queue memory. Present logic fails to allocate QP for T5 and returns an error. Also, if module parameter ocqp_support is zero then we are unable to allocate QP which should not be the case. Ideally if ocqp_support parameter is 0 or onchip queue support is disable then host QP should be allocated before returning an error. Signed-off-by: Vipul Pandya <vipul@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 90833d701631..9fe6f1e84373 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -140,7 +140,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
int wr_len;
struct c4iw_wr_wait wr_wait;
struct sk_buff *skb;
- int ret;
+ int ret = 0;
int eqsize;
wq->sq.qid = c4iw_get_qpid(rdev, uctx);
@@ -180,17 +180,14 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
}
if (user) {
- ret = alloc_oc_sq(rdev, &wq->sq);
- if (ret)
+ if (alloc_oc_sq(rdev, &wq->sq) && alloc_host_sq(rdev, &wq->sq))
goto free_hwaddr;
-
- ret = alloc_host_sq(rdev, &wq->sq);
- if (ret)
- goto free_sq;
- } else
+ } else {
ret = alloc_host_sq(rdev, &wq->sq);
if (ret)
goto free_hwaddr;
+ }
+
memset(wq->sq.queue, 0, wq->sq.memsize);
dma_unmap_addr_set(&wq->sq, mapping, wq->sq.dma_addr);