From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/net/netdevsim/netdevsim.h | 214 +++++++++++++++++++++++++++++++++++++---------------
1 files changed, 151 insertions(+), 63 deletions(-)
diff --git a/kernel/drivers/net/netdevsim/netdevsim.h b/kernel/drivers/net/netdevsim/netdevsim.h
index 384c254..c4e7ad2 100644
--- a/kernel/drivers/net/netdevsim/netdevsim.h
+++ b/kernel/drivers/net/netdevsim/netdevsim.h
@@ -13,11 +13,14 @@
* THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
*/
+#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/u64_stats_sync.h>
+#include <net/devlink.h>
+#include <net/udp_tunnel.h>
#include <net/xdp.h>
#define DRV_NAME "netdevsim"
@@ -26,28 +29,9 @@
#define NSIM_EA(extack, msg) NL_SET_ERR_MSG_MOD((extack), msg)
-struct bpf_prog;
-struct bpf_offload_dev;
-struct dentry;
-struct nsim_vf_config;
-
-struct netdevsim_shared_dev {
- unsigned int refcnt;
- u32 switch_id;
-
- struct dentry *ddir;
-
- struct bpf_offload_dev *bpf_dev;
-
- struct dentry *ddir_bpf_bound_progs;
- u32 prog_id_gen;
-
- struct list_head bpf_bound_progs;
- struct list_head bpf_bound_maps;
-};
-
#define NSIM_IPSEC_MAX_SA_COUNT 33
#define NSIM_IPSEC_VALID BIT(31)
+#define NSIM_UDP_TUNNEL_N_PORTS 4
struct nsim_sa {
struct xfrm_state *xs;
@@ -67,20 +51,23 @@
u32 ok;
};
+struct nsim_ethtool {
+ bool rx;
+ bool tx;
+ bool report_stats_rx;
+ bool report_stats_tx;
+};
+
struct netdevsim {
struct net_device *netdev;
+ struct nsim_dev *nsim_dev;
+ struct nsim_dev_port *nsim_dev_port;
u64 tx_packets;
u64 tx_bytes;
struct u64_stats_sync syncp;
- struct device dev;
- struct netdevsim_shared_dev *sdev;
-
- struct dentry *ddir;
-
- unsigned int num_vfs;
- struct nsim_vf_config *vfconfigs;
+ struct nsim_bus_dev *nsim_bus_dev;
struct bpf_prog *bpf_offloaded;
u32 bpf_offloaded_id;
@@ -88,22 +75,38 @@
struct xdp_attachment_info xdp;
struct xdp_attachment_info xdp_hw;
- bool bpf_bind_accept;
- u32 bpf_bind_verifier_delay;
-
bool bpf_tc_accept;
bool bpf_tc_non_bound_accept;
bool bpf_xdpdrv_accept;
bool bpf_xdpoffload_accept;
bool bpf_map_accept;
-#if IS_ENABLED(CONFIG_NET_DEVLINK)
- struct devlink *devlink;
-#endif
struct nsim_ipsec ipsec;
+ struct {
+ u32 inject_error;
+ u32 sleep;
+ u32 __ports[2][NSIM_UDP_TUNNEL_N_PORTS];
+ u32 (*ports)[NSIM_UDP_TUNNEL_N_PORTS];
+ struct debugfs_u32_array dfs_ports[2];
+ } udp_ports;
+
+ struct nsim_ethtool ethtool;
};
+struct netdevsim *
+nsim_create(struct nsim_dev *nsim_dev, struct nsim_dev_port *nsim_dev_port);
+void nsim_destroy(struct netdevsim *ns);
+
+void nsim_ethtool_init(struct netdevsim *ns);
+
+void nsim_udp_tunnels_debugfs_create(struct nsim_dev *nsim_dev);
+int nsim_udp_tunnels_info_create(struct nsim_dev *nsim_dev,
+ struct net_device *dev);
+void nsim_udp_tunnels_info_destroy(struct net_device *dev);
+
#ifdef CONFIG_BPF_SYSCALL
+int nsim_bpf_dev_init(struct nsim_dev *nsim_dev);
+void nsim_bpf_dev_exit(struct nsim_dev *nsim_dev);
int nsim_bpf_init(struct netdevsim *ns);
void nsim_bpf_uninit(struct netdevsim *ns);
int nsim_bpf(struct net_device *dev, struct netdev_bpf *bpf);
@@ -111,6 +114,15 @@
int nsim_bpf_setup_tc_block_cb(enum tc_setup_type type,
void *type_data, void *cb_priv);
#else
+
+static inline int nsim_bpf_dev_init(struct nsim_dev *nsim_dev)
+{
+ return 0;
+}
+
+static inline void nsim_bpf_dev_exit(struct nsim_dev *nsim_dev)
+{
+}
static inline int nsim_bpf_init(struct netdevsim *ns)
{
return 0;
@@ -122,7 +134,7 @@
static inline int nsim_bpf(struct net_device *dev, struct netdev_bpf *bpf)
{
- return bpf->command == XDP_QUERY_PROG ? 0 : -EOPNOTSUPP;
+ return -EOPNOTSUPP;
}
static inline int nsim_bpf_disable_tc(struct netdevsim *ns)
@@ -138,7 +150,6 @@
}
#endif
-#if IS_ENABLED(CONFIG_NET_DEVLINK)
enum nsim_resource_id {
NSIM_RESOURCE_NONE, /* DEVLINK_RESOURCE_ID_PARENT_TOP */
NSIM_RESOURCE_IPV4,
@@ -149,36 +160,88 @@
NSIM_RESOURCE_IPV6_FIB_RULES,
};
-int nsim_devlink_setup(struct netdevsim *ns);
-void nsim_devlink_teardown(struct netdevsim *ns);
+struct nsim_dev_health {
+ struct devlink_health_reporter *empty_reporter;
+ struct devlink_health_reporter *dummy_reporter;
+ struct dentry *ddir;
+ char *recovered_break_msg;
+ u32 binary_len;
+ bool fail_recover;
+};
-int nsim_devlink_init(void);
-void nsim_devlink_exit(void);
+int nsim_dev_health_init(struct nsim_dev *nsim_dev, struct devlink *devlink);
+void nsim_dev_health_exit(struct nsim_dev *nsim_dev);
-int nsim_fib_init(void);
-void nsim_fib_exit(void);
-u64 nsim_fib_get_val(struct net *net, enum nsim_resource_id res_id, bool max);
-int nsim_fib_set_max(struct net *net, enum nsim_resource_id res_id, u64 val,
- struct netlink_ext_ack *extack);
-#else
-static inline int nsim_devlink_setup(struct netdevsim *ns)
+struct nsim_dev_port {
+ struct list_head list;
+ struct devlink_port devlink_port;
+ unsigned int port_index;
+ struct dentry *ddir;
+ struct netdevsim *ns;
+};
+
+struct nsim_dev {
+ struct nsim_bus_dev *nsim_bus_dev;
+ struct nsim_fib_data *fib_data;
+ struct nsim_trap_data *trap_data;
+ struct dentry *ddir;
+ struct dentry *ports_ddir;
+ struct dentry *take_snapshot;
+ struct bpf_offload_dev *bpf_dev;
+ bool bpf_bind_accept;
+ bool bpf_bind_verifier_accept;
+ u32 bpf_bind_verifier_delay;
+ struct dentry *ddir_bpf_bound_progs;
+ u32 prog_id_gen;
+ struct list_head bpf_bound_progs;
+ struct list_head bpf_bound_maps;
+ struct netdev_phys_item_id switch_id;
+ struct list_head port_list;
+ struct mutex port_list_lock; /* protects port list */
+ bool fw_update_status;
+ u32 fw_update_overwrite_mask;
+ u32 max_macs;
+ bool test1;
+ bool dont_allow_reload;
+ bool fail_reload;
+ struct devlink_region *dummy_region;
+ struct nsim_dev_health health;
+ struct flow_action_cookie *fa_cookie;
+ spinlock_t fa_cookie_lock; /* protects fa_cookie */
+ bool fail_trap_group_set;
+ bool fail_trap_policer_set;
+ bool fail_trap_policer_counter_get;
+ struct {
+ struct udp_tunnel_nic_shared utn_shared;
+ u32 __ports[2][NSIM_UDP_TUNNEL_N_PORTS];
+ bool sync_all;
+ bool open_only;
+ bool ipv4_only;
+ bool shared;
+ bool static_iana_vxlan;
+ u32 sleep;
+ } udp_ports;
+};
+
+static inline struct net *nsim_dev_net(struct nsim_dev *nsim_dev)
{
- return 0;
+ return devlink_net(priv_to_devlink(nsim_dev));
}
-static inline void nsim_devlink_teardown(struct netdevsim *ns)
-{
-}
+int nsim_dev_init(void);
+void nsim_dev_exit(void);
+int nsim_dev_probe(struct nsim_bus_dev *nsim_bus_dev);
+void nsim_dev_remove(struct nsim_bus_dev *nsim_bus_dev);
+int nsim_dev_port_add(struct nsim_bus_dev *nsim_bus_dev,
+ unsigned int port_index);
+int nsim_dev_port_del(struct nsim_bus_dev *nsim_bus_dev,
+ unsigned int port_index);
-static inline int nsim_devlink_init(void)
-{
- return 0;
-}
-
-static inline void nsim_devlink_exit(void)
-{
-}
-#endif
+struct nsim_fib_data *nsim_fib_create(struct devlink *devlink,
+ struct netlink_ext_ack *extack);
+void nsim_fib_destroy(struct devlink *devlink, struct nsim_fib_data *fib_data);
+u64 nsim_fib_get_val(struct nsim_fib_data *fib_data,
+ enum nsim_resource_id res_id, bool max);
#if IS_ENABLED(CONFIG_XFRM_OFFLOAD)
void nsim_ipsec_init(struct netdevsim *ns);
@@ -199,7 +262,32 @@
}
#endif
-static inline struct netdevsim *to_nsim(struct device *ptr)
-{
- return container_of(ptr, struct netdevsim, dev);
-}
+struct nsim_vf_config {
+ int link_state;
+ u16 min_tx_rate;
+ u16 max_tx_rate;
+ u16 vlan;
+ __be16 vlan_proto;
+ u16 qos;
+ u8 vf_mac[ETH_ALEN];
+ bool spoofchk_enabled;
+ bool trusted;
+ bool rss_query_enabled;
+};
+
+struct nsim_bus_dev {
+ struct device dev;
+ struct list_head list;
+ unsigned int port_count;
+ struct net *initial_net; /* Purpose of this is to carry net pointer
+ * during the probe time only.
+ */
+ unsigned int num_vfs;
+ struct nsim_vf_config *vfconfigs;
+ /* Lock for devlink->reload_enabled in netdevsim module */
+ struct mutex nsim_bus_reload_lock;
+ bool init;
+};
+
+int nsim_bus_init(void);
+void nsim_bus_exit(void);
--
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