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| author | Michal Kalderon <Michal.Kalderon@cavium.com> | 2017-06-20 16:00:05 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-20 12:34:08 -0400 |
| commit | 898fff120d9e73c2432432d4e457bf584b2a9df7 (patch) | |
| tree | 913126b6af9b6588a43ec51c54947db0a3dc746f /drivers/net/ethernet | |
| parent | bbfcd1e8e1677b1e692144c5709945e1dfe1ed30 (diff) | |
| download | linux-898fff120d9e73c2432432d4e457bf584b2a9df7.tar.gz linux-898fff120d9e73c2432432d4e457bf584b2a9df7.tar.bz2 linux-898fff120d9e73c2432432d4e457bf584b2a9df7.zip | |
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>
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_roce.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c index 8419dcc111d8..74829058d6ec 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_roce.c +++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c @@ -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 */ |