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-rw-r--r--include/asm-generic/vmlinux.lds.h2
-rw-r--r--include/linux/mlx5/driver.h3
-rw-r--r--include/linux/net.h16
-rw-r--r--include/linux/netdevice.h73
-rw-r--r--include/net/act_api.h2
-rw-r--r--include/net/genetlink.h1
-rw-r--r--include/net/ip.h6
-rw-r--r--include/net/netlink.h3
-rw-r--r--include/net/xfrm.h16
-rw-r--r--include/soc/mscc/ocelot_ana.h8
-rw-r--r--include/uapi/linux/snmp.h1
11 files changed, 99 insertions, 32 deletions
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 5430febd34be..7636bc71c71f 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -661,7 +661,7 @@
#define BTF \
.BTF : AT(ADDR(.BTF) - LOAD_OFFSET) { \
__start_BTF = .; \
- *(.BTF) \
+ KEEP(*(.BTF)) \
__stop_BTF = .; \
} \
. = ALIGN(4); \
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index c145de0473bc..372100c755e7 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -767,6 +767,8 @@ struct mlx5_cmd_work_ent {
u64 ts2;
u16 op;
bool polling;
+ /* Track the max comp handlers */
+ refcount_t refcnt;
};
struct mlx5_pas {
@@ -933,6 +935,7 @@ int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out,
int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size,
void *out, int out_size);
void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome);
+bool mlx5_cmd_is_down(struct mlx5_core_dev *dev);
int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type);
int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn);
diff --git a/include/linux/net.h b/include/linux/net.h
index d48ff1180879..ae713c851342 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -21,6 +21,7 @@
#include <linux/rcupdate.h>
#include <linux/once.h>
#include <linux/fs.h>
+#include <linux/mm.h>
#include <linux/sockptr.h>
#include <uapi/linux/net.h>
@@ -286,6 +287,21 @@ do { \
#define net_get_random_once_wait(buf, nbytes) \
get_random_once_wait((buf), (nbytes))
+/*
+ * E.g. XFS meta- & log-data is in slab pages, or bcache meta
+ * data pages, or other high order pages allocated by
+ * __get_free_pages() without __GFP_COMP, which have a page_count
+ * of 0 and/or have PageSlab() set. We cannot use send_page for
+ * those, as that does get_page(); put_page(); and would cause
+ * either a VM_BUG directly, or __page_cache_release a page that
+ * would actually still be referenced by someone, leading to some
+ * obscure delayed Oops somewhere else.
+ */
+static inline bool sendpage_ok(struct page *page)
+{
+ return !PageSlab(page) && page_count(page) >= 1;
+}
+
int kernel_sendmsg(struct socket *sock, struct msghdr *msg, struct kvec *vec,
size_t num, size_t len);
int kernel_sendmsg_locked(struct sock *sk, struct msghdr *msg,
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7bd4fcdd0738..18dec08439f9 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1851,6 +1851,11 @@ enum netdev_priv_flags {
* @udp_tunnel_nic: UDP tunnel offload state
* @xdp_state: stores info on attached XDP BPF programs
*
+ * @nested_level: Used as as a parameter of spin_lock_nested() of
+ * dev->addr_list_lock.
+ * @unlink_list: As netif_addr_lock() can be called recursively,
+ * keep a list of interfaces to be deleted.
+ *
* FIXME: cleanup struct net_device such that network protocol info
* moves out.
*/
@@ -1955,6 +1960,7 @@ struct net_device {
unsigned short type;
unsigned short hard_header_len;
unsigned char min_header_len;
+ unsigned char name_assign_type;
unsigned short needed_headroom;
unsigned short needed_tailroom;
@@ -1965,12 +1971,12 @@ struct net_device {
unsigned char addr_len;
unsigned char upper_level;
unsigned char lower_level;
+
unsigned short neigh_priv_len;
unsigned short dev_id;
unsigned short dev_port;
spinlock_t addr_list_lock;
- unsigned char name_assign_type;
- bool uc_promisc;
+
struct netdev_hw_addr_list uc;
struct netdev_hw_addr_list mc;
struct netdev_hw_addr_list dev_addrs;
@@ -1978,8 +1984,15 @@ struct net_device {
#ifdef CONFIG_SYSFS
struct kset *queues_kset;
#endif
+#ifdef CONFIG_LOCKDEP
+ struct list_head unlink_list;
+#endif
unsigned int promiscuity;
unsigned int allmulti;
+ bool uc_promisc;
+#ifdef CONFIG_LOCKDEP
+ unsigned char nested_level;
+#endif
/* Protocol-specific pointers */
@@ -4260,17 +4273,23 @@ static inline void netif_tx_disable(struct net_device *dev)
static inline void netif_addr_lock(struct net_device *dev)
{
- spin_lock(&dev->addr_list_lock);
-}
+ unsigned char nest_level = 0;
-static inline void netif_addr_lock_nested(struct net_device *dev)
-{
- spin_lock_nested(&dev->addr_list_lock, dev->lower_level);
+#ifdef CONFIG_LOCKDEP
+ nest_level = dev->nested_level;
+#endif
+ spin_lock_nested(&dev->addr_list_lock, nest_level);
}
static inline void netif_addr_lock_bh(struct net_device *dev)
{
- spin_lock_bh(&dev->addr_list_lock);
+ unsigned char nest_level = 0;
+
+#ifdef CONFIG_LOCKDEP
+ nest_level = dev->nested_level;
+#endif
+ local_bh_disable();
+ spin_lock_nested(&dev->addr_list_lock, nest_level);
}
static inline void netif_addr_unlock(struct net_device *dev)
@@ -4455,12 +4474,38 @@ extern int dev_rx_weight;
extern int dev_tx_weight;
extern int gro_normal_batch;
+enum {
+ NESTED_SYNC_IMM_BIT,
+ NESTED_SYNC_TODO_BIT,
+};
+
+#define __NESTED_SYNC_BIT(bit) ((u32)1 << (bit))
+#define __NESTED_SYNC(name) __NESTED_SYNC_BIT(NESTED_SYNC_ ## name ## _BIT)
+
+#define NESTED_SYNC_IMM __NESTED_SYNC(IMM)
+#define NESTED_SYNC_TODO __NESTED_SYNC(TODO)
+
+struct netdev_nested_priv {
+ unsigned char flags;
+ void *data;
+};
+
bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev);
struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev,
struct list_head **iter);
struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev,
struct list_head **iter);
+#ifdef CONFIG_LOCKDEP
+static LIST_HEAD(net_unlink_list);
+
+static inline void net_unlink_todo(struct net_device *dev)
+{
+ if (list_empty(&dev->unlink_list))
+ list_add_tail(&dev->unlink_list, &net_unlink_list);
+}
+#endif
+
/* iterate through upper list, must be called under RCU read lock */
#define netdev_for_each_upper_dev_rcu(dev, updev, iter) \
for (iter = &(dev)->adj_list.upper, \
@@ -4470,8 +4515,8 @@ struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev,
int netdev_walk_all_upper_dev_rcu(struct net_device *dev,
int (*fn)(struct net_device *upper_dev,
- void *data),
- void *data);
+ struct netdev_nested_priv *priv),
+ struct netdev_nested_priv *priv);
bool netdev_has_upper_dev_all_rcu(struct net_device *dev,
struct net_device *upper_dev);
@@ -4508,12 +4553,12 @@ struct net_device *netdev_next_lower_dev_rcu(struct net_device *dev,
struct list_head **iter);
int netdev_walk_all_lower_dev(struct net_device *dev,
int (*fn)(struct net_device *lower_dev,
- void *data),
- void *data);
+ struct netdev_nested_priv *priv),
+ struct netdev_nested_priv *priv);
int netdev_walk_all_lower_dev_rcu(struct net_device *dev,
int (*fn)(struct net_device *lower_dev,
- void *data),
- void *data);
+ struct netdev_nested_priv *priv),
+ struct netdev_nested_priv *priv);
void *netdev_adjacent_get_private(struct list_head *adj_list);
void *netdev_lower_get_first_private_rcu(struct net_device *dev);
diff --git a/include/net/act_api.h b/include/net/act_api.h
index cb382a89ea58..87214927314a 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -166,8 +166,6 @@ int tcf_idr_create_from_flags(struct tc_action_net *tn, u32 index,
struct nlattr *est, struct tc_action **a,
const struct tc_action_ops *ops, int bind,
u32 flags);
-void tcf_idr_insert(struct tc_action_net *tn, struct tc_action *a);
-
void tcf_idr_cleanup(struct tc_action_net *tn, u32 index);
int tcf_idr_check_alloc(struct tc_action_net *tn, u32 *index,
struct tc_action **a, int bind);
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 6e5f1e1aa822..8899d7429ccb 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -138,6 +138,7 @@ genl_dumpit_info(struct netlink_callback *cb)
* @cmd: command identifier
* @internal_flags: flags used by the family
* @flags: flags
+ * @validate: validation flags from enum genl_validate_flags
* @doit: standard command callback
* @start: start callback for dumps
* @dumpit: callback for dumpers
diff --git a/include/net/ip.h b/include/net/ip.h
index b09c48d862cc..2a52787db64a 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -436,12 +436,18 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst,
bool forwarding)
{
struct net *net = dev_net(dst->dev);
+ unsigned int mtu;
if (net->ipv4.sysctl_ip_fwd_use_pmtu ||
ip_mtu_locked(dst) ||
!forwarding)
return dst_mtu(dst);
+ /* 'forwarding = true' case should always honour route mtu */
+ mtu = dst_metric_raw(dst, RTAX_MTU);
+ if (mtu)
+ return mtu;
+
return min(READ_ONCE(dst->dev->mtu), IP_MAX_MTU);
}
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 8e0eb2c9c528..271620f6bc7f 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -1934,7 +1934,8 @@ void nla_get_range_signed(const struct nla_policy *pt,
int netlink_policy_dump_start(const struct nla_policy *policy,
unsigned int maxtype,
unsigned long *state);
-bool netlink_policy_dump_loop(unsigned long *state);
+bool netlink_policy_dump_loop(unsigned long state);
int netlink_policy_dump_write(struct sk_buff *skb, unsigned long state);
+void netlink_policy_dump_free(unsigned long state);
#endif
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 2737d24ec244..9e806c781025 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1773,21 +1773,17 @@ static inline unsigned int xfrm_replay_state_esn_len(struct xfrm_replay_state_es
static inline int xfrm_replay_clone(struct xfrm_state *x,
struct xfrm_state *orig)
{
- x->replay_esn = kzalloc(xfrm_replay_state_esn_len(orig->replay_esn),
+
+ x->replay_esn = kmemdup(orig->replay_esn,
+ xfrm_replay_state_esn_len(orig->replay_esn),
GFP_KERNEL);
if (!x->replay_esn)
return -ENOMEM;
-
- x->replay_esn->bmp_len = orig->replay_esn->bmp_len;
- x->replay_esn->replay_window = orig->replay_esn->replay_window;
-
- x->preplay_esn = kmemdup(x->replay_esn,
- xfrm_replay_state_esn_len(x->replay_esn),
+ x->preplay_esn = kmemdup(orig->preplay_esn,
+ xfrm_replay_state_esn_len(orig->preplay_esn),
GFP_KERNEL);
- if (!x->preplay_esn) {
- kfree(x->replay_esn);
+ if (!x->preplay_esn)
return -ENOMEM;
- }
return 0;
}
diff --git a/include/soc/mscc/ocelot_ana.h b/include/soc/mscc/ocelot_ana.h
index 841c6ec22b64..1669481d9779 100644
--- a/include/soc/mscc/ocelot_ana.h
+++ b/include/soc/mscc/ocelot_ana.h
@@ -252,10 +252,10 @@
#define ANA_SG_CONFIG_REG_3_LIST_LENGTH_M GENMASK(18, 16)
#define ANA_SG_CONFIG_REG_3_LIST_LENGTH_X(x) (((x) & GENMASK(18, 16)) >> 16)
#define ANA_SG_CONFIG_REG_3_GATE_ENABLE BIT(20)
-#define ANA_SG_CONFIG_REG_3_INIT_IPS(x) (((x) << 24) & GENMASK(27, 24))
-#define ANA_SG_CONFIG_REG_3_INIT_IPS_M GENMASK(27, 24)
-#define ANA_SG_CONFIG_REG_3_INIT_IPS_X(x) (((x) & GENMASK(27, 24)) >> 24)
-#define ANA_SG_CONFIG_REG_3_INIT_GATE_STATE BIT(28)
+#define ANA_SG_CONFIG_REG_3_INIT_IPS(x) (((x) << 21) & GENMASK(24, 21))
+#define ANA_SG_CONFIG_REG_3_INIT_IPS_M GENMASK(24, 21)
+#define ANA_SG_CONFIG_REG_3_INIT_IPS_X(x) (((x) & GENMASK(24, 21)) >> 21)
+#define ANA_SG_CONFIG_REG_3_INIT_GATE_STATE BIT(25)
#define ANA_SG_GCL_GS_CONFIG_RSZ 0x4
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
index cee9f8e6fce3..f84e7bcad6de 100644
--- a/include/uapi/linux/snmp.h
+++ b/include/uapi/linux/snmp.h
@@ -288,6 +288,7 @@ enum
LINUX_MIB_TCPTIMEOUTREHASH, /* TCPTimeoutRehash */
LINUX_MIB_TCPDUPLICATEDATAREHASH, /* TCPDuplicateDataRehash */
LINUX_MIB_TCPDSACKRECVSEGS, /* TCPDSACKRecvSegs */
+ LINUX_MIB_TCPDSACKIGNOREDDUBIOUS, /* TCPDSACKIgnoredDubious */
__LINUX_MIB_MAX
};
generated by cgit (git 2.34.1) at 2025-04-29 05:17:09 +0000