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qed: Wait for resources before FUNC_CLOSE 

Driver needs to wait for all resources to return from FW before it can send
the FUNC_CLOSE ramrod.

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kalderon 2017-06-20 16:00:05 +03:00 committed by David S. Miller
parent bbfcd1e8e1
commit 898fff120d
1 changed files with 20 additions and 15 deletions
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35
drivers/net/ethernet/qlogic/qed/qed_roce.c
View File

@ -372,22 +372,7 @@ end:
static void qed_rdma_resc_free(struct qed_hwfn *p_hwfn)
{
struct qed_bmap *rcid_map = &p_hwfn->p_rdma_info->real_cid_map;
struct qed_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
int wait_count = 0;
/* when destroying a_RoCE QP the control is returned to the user after
* the synchronous part. The asynchronous part may take a little longer.
* We delay for a short while if an async destroy QP is still expected.
* Beyond the added delay we clear the bitmap anyway.
*/
while (bitmap_weight(rcid_map->bitmap, rcid_map->max_count)) {
msleep(100);
if (wait_count++ > 20) {
DP_NOTICE(p_hwfn, "cid bitmap wait timed out\n");
break;
}
}
qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->cid_map, 1);
qed_rdma_bmap_free(p_hwfn, &p_hwfn->p_rdma_info->pd_map, 1);
@ -704,6 +689,25 @@ static int qed_rdma_setup(struct qed_hwfn *p_hwfn,
return qed_rdma_start_fw(p_hwfn, params, p_ptt);
}
void qed_roce_stop(struct qed_hwfn *p_hwfn)
{
struct qed_bmap *rcid_map = &p_hwfn->p_rdma_info->real_cid_map;
int wait_count = 0;
/* when destroying a_RoCE QP the control is returned to the user after
* the synchronous part. The asynchronous part may take a little longer.
* We delay for a short while if an async destroy QP is still expected.
* Beyond the added delay we clear the bitmap anyway.
*/
while (bitmap_weight(rcid_map->bitmap, rcid_map->max_count)) {
msleep(100);
if (wait_count++ > 20) {
DP_NOTICE(p_hwfn, "cid bitmap wait timed out\n");
break;
}
}
}
static int qed_rdma_stop(void *rdma_cxt)
{
struct qed_hwfn *p_hwfn = (struct qed_hwfn *)rdma_cxt;
@ -733,6 +737,7 @@ static int qed_rdma_stop(void *rdma_cxt)
qed_wr(p_hwfn, p_ptt, PRS_REG_LIGHT_L2_ETHERTYPE_EN,
(ll2_ethertype_en & 0xFFFE));
qed_roce_stop(p_hwfn);
qed_ptt_release(p_hwfn, p_ptt);
/* Get SPQ entry */