obj-$(CONFIG_NETDEVSIM) += netdevsim.o
netdevsim-objs := \
- netdev.o devlink.o fib.o sdev.o \
+ netdev.o dev.o fib.o sdev.o
ifeq ($(CONFIG_BPF_SYSCALL),y)
netdevsim-objs += \
--- /dev/null
+/*
+ * Copyright (c) 2018 Cumulus Networks. All rights reserved.
+ * Copyright (c) 2018 David Ahern <dsa@cumulusnetworks.com>
+ * Copyright (c) 2019 Mellanox Technologies. All rights reserved.
+ *
+ * This software is licensed under the GNU General License Version 2,
+ * June 1991 as shown in the file COPYING in the top-level directory of this
+ * source tree.
+ *
+ * THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS"
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE
+ * OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME
+ * THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+ */
+
+#include <linux/device.h>
+#include <linux/rtnetlink.h>
+#include <net/devlink.h>
+
+#include "netdevsim.h"
+
+struct nsim_dev {
+ struct nsim_fib_data *fib_data;
+};
+
+static u64 nsim_dev_ipv4_fib_resource_occ_get(void *priv)
+{
+ struct nsim_dev *nsim_dev = priv;
+
+ return nsim_fib_get_val(nsim_dev->fib_data,
+ NSIM_RESOURCE_IPV4_FIB, false);
+}
+
+static u64 nsim_dev_ipv4_fib_rules_res_occ_get(void *priv)
+{
+ struct nsim_dev *nsim_dev = priv;
+
+ return nsim_fib_get_val(nsim_dev->fib_data,
+ NSIM_RESOURCE_IPV4_FIB_RULES, false);
+}
+
+static u64 nsim_dev_ipv6_fib_resource_occ_get(void *priv)
+{
+ struct nsim_dev *nsim_dev = priv;
+
+ return nsim_fib_get_val(nsim_dev->fib_data,
+ NSIM_RESOURCE_IPV6_FIB, false);
+}
+
+static u64 nsim_dev_ipv6_fib_rules_res_occ_get(void *priv)
+{
+ struct nsim_dev *nsim_dev = priv;
+
+ return nsim_fib_get_val(nsim_dev->fib_data,
+ NSIM_RESOURCE_IPV6_FIB_RULES, false);
+}
+
+static int nsim_dev_resources_register(struct devlink *devlink)
+{
+ struct nsim_dev *nsim_dev = devlink_priv(devlink);
+ struct devlink_resource_size_params params = {
+ .size_max = (u64)-1,
+ .size_granularity = 1,
+ .unit = DEVLINK_RESOURCE_UNIT_ENTRY
+ };
+ int err;
+ u64 n;
+
+ /* Resources for IPv4 */
+ err = devlink_resource_register(devlink, "IPv4", (u64)-1,
+ NSIM_RESOURCE_IPV4,
+ DEVLINK_RESOURCE_ID_PARENT_TOP,
+ ¶ms);
+ if (err) {
+ pr_err("Failed to register IPv4 top resource\n");
+ goto out;
+ }
+
+ n = nsim_fib_get_val(nsim_dev->fib_data,
+ NSIM_RESOURCE_IPV4_FIB, true);
+ err = devlink_resource_register(devlink, "fib", n,
+ NSIM_RESOURCE_IPV4_FIB,
+ NSIM_RESOURCE_IPV4, ¶ms);
+ if (err) {
+ pr_err("Failed to register IPv4 FIB resource\n");
+ return err;
+ }
+
+ n = nsim_fib_get_val(nsim_dev->fib_data,
+ NSIM_RESOURCE_IPV4_FIB_RULES, true);
+ err = devlink_resource_register(devlink, "fib-rules", n,
+ NSIM_RESOURCE_IPV4_FIB_RULES,
+ NSIM_RESOURCE_IPV4, ¶ms);
+ if (err) {
+ pr_err("Failed to register IPv4 FIB rules resource\n");
+ return err;
+ }
+
+ /* Resources for IPv6 */
+ err = devlink_resource_register(devlink, "IPv6", (u64)-1,
+ NSIM_RESOURCE_IPV6,
+ DEVLINK_RESOURCE_ID_PARENT_TOP,
+ ¶ms);
+ if (err) {
+ pr_err("Failed to register IPv6 top resource\n");
+ goto out;
+ }
+
+ n = nsim_fib_get_val(nsim_dev->fib_data,
+ NSIM_RESOURCE_IPV6_FIB, true);
+ err = devlink_resource_register(devlink, "fib", n,
+ NSIM_RESOURCE_IPV6_FIB,
+ NSIM_RESOURCE_IPV6, ¶ms);
+ if (err) {
+ pr_err("Failed to register IPv6 FIB resource\n");
+ return err;
+ }
+
+ n = nsim_fib_get_val(nsim_dev->fib_data,
+ NSIM_RESOURCE_IPV6_FIB_RULES, true);
+ err = devlink_resource_register(devlink, "fib-rules", n,
+ NSIM_RESOURCE_IPV6_FIB_RULES,
+ NSIM_RESOURCE_IPV6, ¶ms);
+ if (err) {
+ pr_err("Failed to register IPv6 FIB rules resource\n");
+ return err;
+ }
+
+ devlink_resource_occ_get_register(devlink,
+ NSIM_RESOURCE_IPV4_FIB,
+ nsim_dev_ipv4_fib_resource_occ_get,
+ nsim_dev);
+ devlink_resource_occ_get_register(devlink,
+ NSIM_RESOURCE_IPV4_FIB_RULES,
+ nsim_dev_ipv4_fib_rules_res_occ_get,
+ nsim_dev);
+ devlink_resource_occ_get_register(devlink,
+ NSIM_RESOURCE_IPV6_FIB,
+ nsim_dev_ipv6_fib_resource_occ_get,
+ nsim_dev);
+ devlink_resource_occ_get_register(devlink,
+ NSIM_RESOURCE_IPV6_FIB_RULES,
+ nsim_dev_ipv6_fib_rules_res_occ_get,
+ nsim_dev);
+out:
+ return err;
+}
+
+static int nsim_dev_reload(struct devlink *devlink,
+ struct netlink_ext_ack *extack)
+{
+ struct nsim_dev *nsim_dev = devlink_priv(devlink);
+ enum nsim_resource_id res_ids[] = {
+ NSIM_RESOURCE_IPV4_FIB, NSIM_RESOURCE_IPV4_FIB_RULES,
+ NSIM_RESOURCE_IPV6_FIB, NSIM_RESOURCE_IPV6_FIB_RULES
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(res_ids); ++i) {
+ int err;
+ u64 val;
+
+ err = devlink_resource_size_get(devlink, res_ids[i], &val);
+ if (!err) {
+ err = nsim_fib_set_max(nsim_dev->fib_data,
+ res_ids[i], val, extack);
+ if (err)
+ return err;
+ }
+ }
+
+ return 0;
+}
+
+static const struct devlink_ops nsim_dev_devlink_ops = {
+ .reload = nsim_dev_reload,
+};
+
+static int __nsim_dev_init(struct netdevsim *ns)
+{
+ struct nsim_dev *nsim_dev;
+ struct devlink *devlink;
+ int err;
+
+ devlink = devlink_alloc(&nsim_dev_devlink_ops, sizeof(*nsim_dev));
+ if (!devlink)
+ return -ENOMEM;
+ nsim_dev = devlink_priv(devlink);
+
+ nsim_dev->fib_data = nsim_fib_create();
+ if (IS_ERR(nsim_dev->fib_data)) {
+ err = PTR_ERR(nsim_dev->fib_data);
+ goto err_devlink_free;
+ }
+
+ err = nsim_dev_resources_register(devlink);
+ if (err)
+ goto err_fib_destroy;
+
+ err = devlink_register(devlink, &ns->dev);
+ if (err)
+ goto err_resources_unregister;
+
+ ns->devlink = devlink;
+
+ return 0;
+
+err_resources_unregister:
+ devlink_resources_unregister(devlink, NULL);
+err_fib_destroy:
+ nsim_fib_destroy(nsim_dev->fib_data);
+err_devlink_free:
+ devlink_free(devlink);
+
+ return err;
+}
+
+int nsim_dev_init(struct netdevsim *ns)
+{
+ int err;
+
+ dev_hold(ns->netdev);
+ rtnl_unlock();
+ err = __nsim_dev_init(ns);
+ rtnl_lock();
+ dev_put(ns->netdev);
+ return err;
+}
+
+void nsim_dev_exit(struct netdevsim *ns)
+{
+ struct devlink *devlink = ns->devlink;
+ struct nsim_dev *nsim_dev = devlink_priv(devlink);
+
+ devlink_unregister(devlink);
+ devlink_resources_unregister(devlink, NULL);
+ nsim_fib_destroy(nsim_dev->fib_data);
+ devlink_free(devlink);
+}
+++ /dev/null
-/*
- * Copyright (c) 2018 Cumulus Networks. All rights reserved.
- * Copyright (c) 2018 David Ahern <dsa@cumulusnetworks.com>
- *
- * This software is licensed under the GNU General License Version 2,
- * June 1991 as shown in the file COPYING in the top-level directory of this
- * source tree.
- *
- * THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS"
- * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE
- * OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME
- * THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
- */
-
-#include <linux/device.h>
-#include <linux/rtnetlink.h>
-#include <net/devlink.h>
-
-#include "netdevsim.h"
-
-struct nsim_devlink {
- struct nsim_fib_data *fib_data;
-};
-
-/* IPv4
- */
-static u64 nsim_ipv4_fib_resource_occ_get(void *priv)
-{
- struct nsim_devlink *nsim_devlink = priv;
-
- return nsim_fib_get_val(nsim_devlink->fib_data,
- NSIM_RESOURCE_IPV4_FIB, false);
-}
-
-static u64 nsim_ipv4_fib_rules_res_occ_get(void *priv)
-{
- struct nsim_devlink *nsim_devlink = priv;
-
- return nsim_fib_get_val(nsim_devlink->fib_data,
- NSIM_RESOURCE_IPV4_FIB_RULES, false);
-}
-
-/* IPv6
- */
-static u64 nsim_ipv6_fib_resource_occ_get(void *priv)
-{
- struct nsim_devlink *nsim_devlink = priv;
-
- return nsim_fib_get_val(nsim_devlink->fib_data,
- NSIM_RESOURCE_IPV6_FIB, false);
-}
-
-static u64 nsim_ipv6_fib_rules_res_occ_get(void *priv)
-{
- struct nsim_devlink *nsim_devlink = priv;
-
- return nsim_fib_get_val(nsim_devlink->fib_data,
- NSIM_RESOURCE_IPV6_FIB_RULES, false);
-}
-
-static int devlink_resources_register(struct devlink *devlink)
-{
- struct nsim_devlink *nsim_devlink = devlink_priv(devlink);
- struct devlink_resource_size_params params = {
- .size_max = (u64)-1,
- .size_granularity = 1,
- .unit = DEVLINK_RESOURCE_UNIT_ENTRY
- };
- int err;
- u64 n;
-
- /* Resources for IPv4 */
- err = devlink_resource_register(devlink, "IPv4", (u64)-1,
- NSIM_RESOURCE_IPV4,
- DEVLINK_RESOURCE_ID_PARENT_TOP,
- ¶ms);
- if (err) {
- pr_err("Failed to register IPv4 top resource\n");
- goto out;
- }
-
- n = nsim_fib_get_val(nsim_devlink->fib_data,
- NSIM_RESOURCE_IPV4_FIB, true);
- err = devlink_resource_register(devlink, "fib", n,
- NSIM_RESOURCE_IPV4_FIB,
- NSIM_RESOURCE_IPV4, ¶ms);
- if (err) {
- pr_err("Failed to register IPv4 FIB resource\n");
- return err;
- }
-
- n = nsim_fib_get_val(nsim_devlink->fib_data,
- NSIM_RESOURCE_IPV4_FIB_RULES, true);
- err = devlink_resource_register(devlink, "fib-rules", n,
- NSIM_RESOURCE_IPV4_FIB_RULES,
- NSIM_RESOURCE_IPV4, ¶ms);
- if (err) {
- pr_err("Failed to register IPv4 FIB rules resource\n");
- return err;
- }
-
- /* Resources for IPv6 */
- err = devlink_resource_register(devlink, "IPv6", (u64)-1,
- NSIM_RESOURCE_IPV6,
- DEVLINK_RESOURCE_ID_PARENT_TOP,
- ¶ms);
- if (err) {
- pr_err("Failed to register IPv6 top resource\n");
- goto out;
- }
-
- n = nsim_fib_get_val(nsim_devlink->fib_data,
- NSIM_RESOURCE_IPV6_FIB, true);
- err = devlink_resource_register(devlink, "fib", n,
- NSIM_RESOURCE_IPV6_FIB,
- NSIM_RESOURCE_IPV6, ¶ms);
- if (err) {
- pr_err("Failed to register IPv6 FIB resource\n");
- return err;
- }
-
- n = nsim_fib_get_val(nsim_devlink->fib_data,
- NSIM_RESOURCE_IPV6_FIB_RULES, true);
- err = devlink_resource_register(devlink, "fib-rules", n,
- NSIM_RESOURCE_IPV6_FIB_RULES,
- NSIM_RESOURCE_IPV6, ¶ms);
- if (err) {
- pr_err("Failed to register IPv6 FIB rules resource\n");
- return err;
- }
-
- devlink_resource_occ_get_register(devlink,
- NSIM_RESOURCE_IPV4_FIB,
- nsim_ipv4_fib_resource_occ_get,
- nsim_devlink);
- devlink_resource_occ_get_register(devlink,
- NSIM_RESOURCE_IPV4_FIB_RULES,
- nsim_ipv4_fib_rules_res_occ_get,
- nsim_devlink);
- devlink_resource_occ_get_register(devlink,
- NSIM_RESOURCE_IPV6_FIB,
- nsim_ipv6_fib_resource_occ_get,
- nsim_devlink);
- devlink_resource_occ_get_register(devlink,
- NSIM_RESOURCE_IPV6_FIB_RULES,
- nsim_ipv6_fib_rules_res_occ_get,
- nsim_devlink);
-out:
- return err;
-}
-
-static int nsim_devlink_reload(struct devlink *devlink,
- struct netlink_ext_ack *extack)
-{
- struct nsim_devlink *nsim_devlink = devlink_priv(devlink);
- enum nsim_resource_id res_ids[] = {
- NSIM_RESOURCE_IPV4_FIB, NSIM_RESOURCE_IPV4_FIB_RULES,
- NSIM_RESOURCE_IPV6_FIB, NSIM_RESOURCE_IPV6_FIB_RULES
- };
- int i;
-
- for (i = 0; i < ARRAY_SIZE(res_ids); ++i) {
- int err;
- u64 val;
-
- err = devlink_resource_size_get(devlink, res_ids[i], &val);
- if (!err) {
- err = nsim_fib_set_max(nsim_devlink->fib_data,
- res_ids[i], val, extack);
- if (err)
- return err;
- }
- }
-
- return 0;
-}
-
-static const struct devlink_ops nsim_devlink_ops = {
- .reload = nsim_devlink_reload,
-};
-
-static int __nsim_devlink_init(struct netdevsim *ns)
-{
- struct nsim_devlink *nsim_devlink;
- struct devlink *devlink;
- int err;
-
- devlink = devlink_alloc(&nsim_devlink_ops, sizeof(*nsim_devlink));
- if (!devlink)
- return -ENOMEM;
- nsim_devlink = devlink_priv(devlink);
-
- nsim_devlink->fib_data = nsim_fib_create();
- if (IS_ERR(nsim_devlink->fib_data)) {
- err = PTR_ERR(nsim_devlink->fib_data);
- goto err_devlink_free;
- }
-
- err = devlink_resources_register(devlink);
- if (err)
- goto err_fib_destroy;
-
- err = devlink_register(devlink, &ns->dev);
- if (err)
- goto err_resources_unregister;
-
- ns->devlink = devlink;
-
- return 0;
-
-err_resources_unregister:
- devlink_resources_unregister(devlink, NULL);
-err_fib_destroy:
- nsim_fib_destroy(nsim_devlink->fib_data);
-err_devlink_free:
- devlink_free(devlink);
-
- return err;
-}
-
-int nsim_devlink_init(struct netdevsim *ns)
-{
- int err;
-
- dev_hold(ns->netdev);
- rtnl_unlock();
- err = __nsim_devlink_init(ns);
- rtnl_lock();
- dev_put(ns->netdev);
- return err;
-}
-
-void nsim_devlink_exit(struct netdevsim *ns)
-{
- struct devlink *devlink = ns->devlink;
- struct nsim_devlink *nsim_devlink = devlink_priv(devlink);
-
- devlink_unregister(devlink);
- devlink_resources_unregister(devlink, NULL);
- nsim_fib_destroy(nsim_devlink->fib_data);
- devlink_free(devlink);
-}
{
struct netdevsim *ns = netdev_priv(dev);
- nsim_devlink_exit(ns);
+ nsim_dev_exit(ns);
device_unregister(&ns->dev);
/* netdev and vf state will be freed out of device_release() */
nsim_sdev_put(ns->sdev);
SET_NETDEV_DEV(dev, &ns->dev);
ns->netdev = dev;
- err = nsim_devlink_init(ns);
+ err = nsim_dev_init(ns);
if (err)
goto err_unreg_dev;
err = register_netdevice(dev);
if (err)
- goto err_devlink_exit;
+ goto err_dev_exit;
return 0;
-err_devlink_exit:
- nsim_devlink_exit(ns);
+err_dev_exit:
+ nsim_dev_exit(ns);
err_unreg_dev:
device_unregister(&ns->dev);
err_sdev_put:
NSIM_RESOURCE_IPV6_FIB_RULES,
};
-int nsim_devlink_init(struct netdevsim *ns);
-void nsim_devlink_exit(struct netdevsim *ns);
+int nsim_dev_init(struct netdevsim *ns);
+void nsim_dev_exit(struct netdevsim *ns);
struct nsim_fib_data *nsim_fib_create(void);
void nsim_fib_destroy(struct nsim_fib_data *fib_data);
projects / mirror_ubuntu-kernels.git / commitdiff