diff mbox series

[v2,37/41] net/mlx5: add routine to extract pdn

Message ID 20211007184350.73858-38-srikanth.k@oneconvergence.com (mailing list archive)
State Changes Requested
Delegated to: Raslan Darawsheh
Headers
Series add MLX5 FreeBSD support |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Srikanth Kaka Oct. 7, 2021, 6:43 p.m. UTC 
add routine to extract pdn

Signed-off-by: Srikanth Kaka <srikanth.k@oneconvergence.com>
Signed-off-by: Vag Singh <vag.singh@oneconvergence.com>
Signed-off-by: Anand Thulasiram <avelu@juniper.net>
---
 drivers/net/mlx5/freebsd/mlx5_os.c | 35 ++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/mlx5/freebsd/mlx5_os.c b/drivers/net/mlx5/freebsd/mlx5_os.c
index c05bf021d1..9992cb1d6a 100644
--- a/drivers/net/mlx5/freebsd/mlx5_os.c
+++ b/drivers/net/mlx5/freebsd/mlx5_os.c
@@ -2173,6 +2173,41 @@  mlx5_restore_doorbell_mapping_env(int value)
 		setenv(MLX5_SHUT_UP_BF, value ? "1" : "0", 1);
 }
 
+/**
+ * Extract pdn of PD object using DV API.
+ *
+ * @param[in] pd
+ *   Pointer to the verbs PD object.
+ * @param[out] pdn
+ *   Pointer to the PD object number variable.
+ *
+ * @return
+ *   0 on success, error value otherwise.
+ */
+int
+mlx5_os_get_pdn(void *pd, uint32_t *pdn)
+{
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+	struct mlx5dv_obj obj;
+	struct mlx5dv_pd pd_info;
+	int ret = 0;
+
+	obj.pd.in = pd;
+	obj.pd.out = &pd_info;
+	ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_PD);
+	if (ret) {
+		DRV_LOG(DEBUG, "Fail to get PD object info");
+		return ret;
+	}
+	*pdn = pd_info.pdn;
+	return 0;
+#else
+	(void)pd;
+	(void)pdn;
+	return -ENOTSUP;
+#endif /* HAVE_IBV_FLOW_DV_SUPPORT */
+}
+
 /**
  * Function API to open IB device.
  *