Defined mlx5_glue_constructor in mlx5_common_os.c to support
run-time dependency on rdma-core
Signed-off-by: Srikanth Kaka <srikant...@oneconvergence.com>
Signed-off-by: Vag Singh <vag.si...@oneconvergence.com>
Signed-off-by: Anand Thulasiram <av...@juniper.net>
---
drivers/common/mlx5/freebsd/mlx5_common_os.c | 60 ++++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 drivers/common/mlx5/freebsd/mlx5_common_os.c
diff --git a/drivers/common/mlx5/freebsd/mlx5_common_os.c
b/drivers/common/mlx5/freebsd/mlx5_common_os.c
new file mode 100644
index 0000000000..9c3cd1e4e6
--- /dev/null
+++ b/drivers/common/mlx5/freebsd/mlx5_common_os.c
@@ -0,0 +1,60 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2020 Mellanox Technologies, Ltd
+ */
+
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/sysctl.h>
+
+#include <rte_errno.h>
+
+#include "mlx5_common.h"
+#include "mlx5_common_log.h"
+#include "mlx5_glue.h"
+
+/**
+ * Initialization routine for run-time dependency on rdma-core.
+ */
+void
+mlx5_glue_constructor(void)
+{
+ /*
+ * RDMAV_HUGEPAGES_SAFE tells ibv_fork_init() we intend to use
+ * huge pages. Calling ibv_fork_init() during init allows
+ * applications to use fork() safely for purposes other than
+ * using this PMD, which is not supported in forked processes.
+ */
+ setenv("RDMAV_HUGEPAGES_SAFE", "1", 1);
+ /* Match the size of Rx completion entry to the size of a cacheline. */
+ if (RTE_CACHE_LINE_SIZE == 128)
+ setenv("MLX5_CQE_SIZE", "128", 0);
+ /*
+ * MLX5_DEVICE_FATAL_CLEANUP tells ibv_destroy functions to
+ * cleanup all the Verbs resources even when the device was removed.
+ */
+ setenv("MLX5_DEVICE_FATAL_CLEANUP", "1", 1);
+
+#ifdef RTE_LIBRTE_MLX5_DEBUG
+ /* Glue structure must not contain any NULL pointers. */
+ {
+ unsigned int i;
+
+ for (i = 0; i != sizeof(*mlx5_glue) / sizeof(void *); ++i)
+ MLX5_ASSERT(((const void *const *)mlx5_glue)[i]);
+ }
+#endif
+ if (strcmp(mlx5_glue->version, MLX5_GLUE_VERSION)) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "rdma-core glue \"%s\" mismatch: \"%s\" is "
+ "required", mlx5_glue->version, MLX5_GLUE_VERSION);
+ goto glue_error;
+ }
+ mlx5_glue->fork_init();
+ return;
+
+glue_error:
+ DRV_LOG(WARNING, "Cannot initialize MLX5 common due to missing"
+ " run-time dependency on rdma-core libraries (libibverbs,"
+ " libmlx5)");
+ mlx5_glue = NULL;
+}
--
2.30.2
