-/*-
- * BSD LICENSE
- *
- * Copyright 2015 6WIND S.A.
- * Copyright 2015 Mellanox.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of 6WIND S.A. nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2015 6WIND S.A.
+ * Copyright 2015 Mellanox.
*/
#include <stddef.h>
#include <unistd.h>
#include <string.h>
#include <assert.h>
+#include <dlfcn.h>
#include <stdint.h>
#include <stdlib.h>
#include <errno.h>
#include <rte_pci.h>
#include <rte_bus_pci.h>
#include <rte_common.h>
+#include <rte_config.h>
#include <rte_eal_memconfig.h>
#include <rte_kvargs.h>
rte_free(priv->rss_conf.rss_key);
if (priv->reta_idx != NULL)
rte_free(priv->reta_idx);
- priv_socket_uninit(priv);
+ if (priv->primary_socket)
+ priv_socket_uninit(priv);
ret = mlx5_priv_hrxq_ibv_verify(priv);
if (ret)
WARN("%p: some Hash Rx queue still remain", (void *)priv);
DEBUG("VLAN stripping is %ssupported",
(config.hw_vlan_strip ? "" : "not "));
- config.hw_fcs_strip =
- !!(device_attr_ex.orig_attr.device_cap_flags &
- IBV_WQ_FLAGS_SCATTER_FCS);
+ config.hw_fcs_strip = !!(device_attr_ex.raw_packet_caps &
+ IBV_RAW_PACKET_CAP_SCATTER_FCS);
DEBUG("FCS stripping configuration is %ssupported",
(config.hw_fcs_strip ? "" : "not "));
.drv_flags = RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_INTR_RMV,
};
+#ifdef RTE_LIBRTE_MLX5_DLOPEN_DEPS
+
+/**
+ * Initialization routine for run-time dependency on rdma-core.
+ */
+static int
+mlx5_glue_init(void)
+{
+ const char *path[] = {
+ /*
+ * A basic security check is necessary before trusting
+ * MLX5_GLUE_PATH, which may override RTE_EAL_PMD_PATH.
+ */
+ (geteuid() == getuid() && getegid() == getgid() ?
+ getenv("MLX5_GLUE_PATH") : NULL),
+ RTE_EAL_PMD_PATH,
+ };
+ unsigned int i = 0;
+ void *handle = NULL;
+ void **sym;
+ const char *dlmsg;
+
+ while (!handle && i != RTE_DIM(path)) {
+ const char *end;
+ size_t len;
+ int ret;
+
+ if (!path[i]) {
+ ++i;
+ continue;
+ }
+ end = strpbrk(path[i], ":;");
+ if (!end)
+ end = path[i] + strlen(path[i]);
+ len = end - path[i];
+ ret = 0;
+ do {
+ char name[ret + 1];
+
+ ret = snprintf(name, sizeof(name), "%.*s%s" MLX5_GLUE,
+ (int)len, path[i],
+ (!len || *(end - 1) == '/') ? "" : "/");
+ if (ret == -1)
+ break;
+ if (sizeof(name) != (size_t)ret + 1)
+ continue;
+ DEBUG("looking for rdma-core glue as \"%s\"", name);
+ handle = dlopen(name, RTLD_LAZY);
+ break;
+ } while (1);
+ path[i] = end + 1;
+ if (!*end)
+ ++i;
+ }
+ if (!handle) {
+ rte_errno = EINVAL;
+ dlmsg = dlerror();
+ if (dlmsg)
+ WARN("cannot load glue library: %s", dlmsg);
+ goto glue_error;
+ }
+ sym = dlsym(handle, "mlx5_glue");
+ if (!sym || !*sym) {
+ rte_errno = EINVAL;
+ dlmsg = dlerror();
+ if (dlmsg)
+ ERROR("cannot resolve glue symbol: %s", dlmsg);
+ goto glue_error;
+ }
+ mlx5_glue = *sym;
+ return 0;
+glue_error:
+ if (handle)
+ dlclose(handle);
+ WARN("cannot initialize PMD due to missing run-time"
+ " dependency on rdma-core libraries (libibverbs,"
+ " libmlx5)");
+ return -rte_errno;
+}
+
+#endif
+
/**
* Driver initialization routine.
*/
/* 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);
+#ifdef RTE_LIBRTE_MLX5_DLOPEN_DEPS
+ if (mlx5_glue_init())
+ return;
+ assert(mlx5_glue);
+#endif
+#ifndef NDEBUG
+ /* Glue structure must not contain any NULL pointers. */
+ {
+ unsigned int i;
+
+ for (i = 0; i != sizeof(*mlx5_glue) / sizeof(void *); ++i)
+ assert(((const void *const *)mlx5_glue)[i]);
+ }
+#endif
+ if (strcmp(mlx5_glue->version, MLX5_GLUE_VERSION)) {
+ ERROR("rdma-core glue \"%s\" mismatch: \"%s\" is required",
+ mlx5_glue->version, MLX5_GLUE_VERSION);
+ return;
+ }
mlx5_glue->fork_init();
rte_pci_register(&mlx5_driver);
}
git.droids-corp.org / dpdk.git / blobdiff