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-rw-r--r--include/linux/bpfptr.h8
-rw-r--r--include/linux/skmsg.h3
-rw-r--r--include/net/ax88796.h4
-rw-r--r--include/net/bonding.h13
-rw-r--r--include/net/genetlink.h5
-rw-r--r--include/net/mptcp.h4
-rw-r--r--include/net/netfilter/nf_tables.h13
-rw-r--r--include/net/sock.h68
-rw-r--r--include/net/tls.h2
-rw-r--r--include/uapi/linux/atm_zatm.h47
-rw-r--r--include/uapi/linux/genetlink.h5
-rw-r--r--include/uapi/linux/netfilter_ipv6/ip6t_LOG.h2
12 files changed, 139 insertions, 35 deletions
diff --git a/include/linux/bpfptr.h b/include/linux/bpfptr.h
index 46e1757d06a3..79b2f78eec1a 100644
--- a/include/linux/bpfptr.h
+++ b/include/linux/bpfptr.h
@@ -49,7 +49,9 @@ static inline void bpfptr_add(bpfptr_t *bpfptr, size_t val)
static inline int copy_from_bpfptr_offset(void *dst, bpfptr_t src,
size_t offset, size_t size)
{
- return copy_from_sockptr_offset(dst, (sockptr_t) src, offset, size);
+ if (!bpfptr_is_kernel(src))
+ return copy_from_user(dst, src.user + offset, size);
+ return copy_from_kernel_nofault(dst, src.kernel + offset, size);
}
static inline int copy_from_bpfptr(void *dst, bpfptr_t src, size_t size)
@@ -78,7 +80,9 @@ static inline void *kvmemdup_bpfptr(bpfptr_t src, size_t len)
static inline long strncpy_from_bpfptr(char *dst, bpfptr_t src, size_t count)
{
- return strncpy_from_sockptr(dst, (sockptr_t) src, count);
+ if (bpfptr_is_kernel(src))
+ return strncpy_from_kernel_nofault(dst, src.kernel, count);
+ return strncpy_from_user(dst, src.user, count);
}
#endif /* _LINUX_BPFPTR_H */
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index 153b6dec9b6a..48f4b645193b 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -278,7 +278,8 @@ static inline void sk_msg_sg_copy_clear(struct sk_msg *msg, u32 start)
static inline struct sk_psock *sk_psock(const struct sock *sk)
{
- return rcu_dereference_sk_user_data(sk);
+ return __rcu_dereference_sk_user_data_with_flags(sk,
+ SK_USER_DATA_PSOCK);
}
static inline void sk_psock_set_state(struct sk_psock *psock,
diff --git a/include/net/ax88796.h b/include/net/ax88796.h
index b658471f97f0..303100f08ab8 100644
--- a/include/net/ax88796.h
+++ b/include/net/ax88796.h
@@ -34,8 +34,8 @@ struct ax_plat_data {
const unsigned char *buf, int star_page);
void (*block_input)(struct net_device *dev, int count,
struct sk_buff *skb, int ring_offset);
- /* returns nonzero if a pending interrupt request might by caused by
- * the ax88786. Handles all interrupts if set to NULL
+ /* returns nonzero if a pending interrupt request might be caused by
+ * the ax88796. Handles all interrupts if set to NULL
*/
int (*check_irq)(struct platform_device *pdev);
};
diff --git a/include/net/bonding.h b/include/net/bonding.h
index 6e78d657aa05..afd606df149a 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -161,8 +161,9 @@ struct slave {
struct net_device *dev; /* first - useful for panic debug */
struct bonding *bond; /* our master */
int delay;
- /* all three in jiffies */
+ /* all 4 in jiffies */
unsigned long last_link_up;
+ unsigned long last_tx;
unsigned long last_rx;
unsigned long target_last_arp_rx[BOND_MAX_ARP_TARGETS];
s8 link; /* one of BOND_LINK_XXXX */
@@ -540,6 +541,16 @@ static inline unsigned long slave_last_rx(struct bonding *bond,
return slave->last_rx;
}
+static inline void slave_update_last_tx(struct slave *slave)
+{
+ WRITE_ONCE(slave->last_tx, jiffies);
+}
+
+static inline unsigned long slave_last_tx(struct slave *slave)
+{
+ return READ_ONCE(slave->last_tx);
+}
+
#ifdef CONFIG_NET_POLL_CONTROLLER
static inline netdev_tx_t bond_netpoll_send_skb(const struct slave *slave,
struct sk_buff *skb)
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index 7cb3fa8310ed..56a50e1c51b9 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -11,6 +11,7 @@
/**
* struct genl_multicast_group - generic netlink multicast group
* @name: name of the multicast group, names are per-family
+ * @flags: GENL_* flags (%GENL_ADMIN_PERM or %GENL_UNS_ADMIN_PERM)
*/
struct genl_multicast_group {
char name[GENL_NAMSIZ];
@@ -116,7 +117,7 @@ enum genl_validate_flags {
* struct genl_small_ops - generic netlink operations (small version)
* @cmd: command identifier
* @internal_flags: flags used by the family
- * @flags: flags
+ * @flags: GENL_* flags (%GENL_ADMIN_PERM or %GENL_UNS_ADMIN_PERM)
* @validate: validation flags from enum genl_validate_flags
* @doit: standard command callback
* @dumpit: callback for dumpers
@@ -137,7 +138,7 @@ struct genl_small_ops {
* struct genl_ops - generic netlink operations
* @cmd: command identifier
* @internal_flags: flags used by the family
- * @flags: flags
+ * @flags: GENL_* flags (%GENL_ADMIN_PERM or %GENL_UNS_ADMIN_PERM)
* @maxattr: maximum number of attributes supported
* @policy: netlink policy (takes precedence over family policy)
* @validate: validation flags from enum genl_validate_flags
diff --git a/include/net/mptcp.h b/include/net/mptcp.h
index ac9cf7271d46..412479ebf5ad 100644
--- a/include/net/mptcp.h
+++ b/include/net/mptcp.h
@@ -291,4 +291,8 @@ struct mptcp_sock *bpf_mptcp_sock_from_subflow(struct sock *sk);
static inline struct mptcp_sock *bpf_mptcp_sock_from_subflow(struct sock *sk) { return NULL; }
#endif
+#if !IS_ENABLED(CONFIG_MPTCP)
+struct mptcp_sock { };
+#endif
+
#endif /* __NET_MPTCP_H */
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 8bfb9c74afbf..99aae36c04b9 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -221,13 +221,18 @@ struct nft_ctx {
bool report;
};
+enum nft_data_desc_flags {
+ NFT_DATA_DESC_SETELEM = (1 << 0),
+};
+
struct nft_data_desc {
enum nft_data_types type;
+ unsigned int size;
unsigned int len;
+ unsigned int flags;
};
-int nft_data_init(const struct nft_ctx *ctx,
- struct nft_data *data, unsigned int size,
+int nft_data_init(const struct nft_ctx *ctx, struct nft_data *data,
struct nft_data_desc *desc, const struct nlattr *nla);
void nft_data_hold(const struct nft_data *data, enum nft_data_types type);
void nft_data_release(const struct nft_data *data, enum nft_data_types type);
@@ -651,6 +656,7 @@ extern const struct nft_set_ext_type nft_set_ext_types[];
struct nft_set_ext_tmpl {
u16 len;
u8 offset[NFT_SET_EXT_NUM];
+ u8 ext_len[NFT_SET_EXT_NUM];
};
/**
@@ -680,7 +686,8 @@ static inline int nft_set_ext_add_length(struct nft_set_ext_tmpl *tmpl, u8 id,
return -EINVAL;
tmpl->offset[id] = tmpl->len;
- tmpl->len += nft_set_ext_types[id].len + len;
+ tmpl->ext_len[id] = nft_set_ext_types[id].len + len;
+ tmpl->len += tmpl->ext_len[id];
return 0;
}
diff --git a/include/net/sock.h b/include/net/sock.h
index a7273b289188..05a1bbdf5805 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -545,14 +545,26 @@ enum sk_pacing {
SK_PACING_FQ = 2,
};
-/* Pointer stored in sk_user_data might not be suitable for copying
- * when cloning the socket. For instance, it can point to a reference
- * counted object. sk_user_data bottom bit is set if pointer must not
- * be copied.
+/* flag bits in sk_user_data
+ *
+ * - SK_USER_DATA_NOCOPY: Pointer stored in sk_user_data might
+ * not be suitable for copying when cloning the socket. For instance,
+ * it can point to a reference counted object. sk_user_data bottom
+ * bit is set if pointer must not be copied.
+ *
+ * - SK_USER_DATA_BPF: Mark whether sk_user_data field is
+ * managed/owned by a BPF reuseport array. This bit should be set
+ * when sk_user_data's sk is added to the bpf's reuseport_array.
+ *
+ * - SK_USER_DATA_PSOCK: Mark whether pointer stored in
+ * sk_user_data points to psock type. This bit should be set
+ * when sk_user_data is assigned to a psock object.
*/
#define SK_USER_DATA_NOCOPY 1UL
-#define SK_USER_DATA_BPF 2UL /* Managed by BPF */
-#define SK_USER_DATA_PTRMASK ~(SK_USER_DATA_NOCOPY | SK_USER_DATA_BPF)
+#define SK_USER_DATA_BPF 2UL
+#define SK_USER_DATA_PSOCK 4UL
+#define SK_USER_DATA_PTRMASK ~(SK_USER_DATA_NOCOPY | SK_USER_DATA_BPF |\
+ SK_USER_DATA_PSOCK)
/**
* sk_user_data_is_nocopy - Test if sk_user_data pointer must not be copied
@@ -565,24 +577,40 @@ static inline bool sk_user_data_is_nocopy(const struct sock *sk)
#define __sk_user_data(sk) ((*((void __rcu **)&(sk)->sk_user_data)))
+/**
+ * __rcu_dereference_sk_user_data_with_flags - return the pointer
+ * only if argument flags all has been set in sk_user_data. Otherwise
+ * return NULL
+ *
+ * @sk: socket
+ * @flags: flag bits
+ */
+static inline void *
+__rcu_dereference_sk_user_data_with_flags(const struct sock *sk,
+ uintptr_t flags)
+{
+ uintptr_t sk_user_data = (uintptr_t)rcu_dereference(__sk_user_data(sk));
+
+ WARN_ON_ONCE(flags & SK_USER_DATA_PTRMASK);
+
+ if ((sk_user_data & flags) == flags)
+ return (void *)(sk_user_data & SK_USER_DATA_PTRMASK);
+ return NULL;
+}
+
#define rcu_dereference_sk_user_data(sk) \
+ __rcu_dereference_sk_user_data_with_flags(sk, 0)
+#define __rcu_assign_sk_user_data_with_flags(sk, ptr, flags) \
({ \
- void *__tmp = rcu_dereference(__sk_user_data((sk))); \
- (void *)((uintptr_t)__tmp & SK_USER_DATA_PTRMASK); \
-})
-#define rcu_assign_sk_user_data(sk, ptr) \
-({ \
- uintptr_t __tmp = (uintptr_t)(ptr); \
- WARN_ON_ONCE(__tmp & ~SK_USER_DATA_PTRMASK); \
- rcu_assign_pointer(__sk_user_data((sk)), __tmp); \
-})
-#define rcu_assign_sk_user_data_nocopy(sk, ptr) \
-({ \
- uintptr_t __tmp = (uintptr_t)(ptr); \
- WARN_ON_ONCE(__tmp & ~SK_USER_DATA_PTRMASK); \
+ uintptr_t __tmp1 = (uintptr_t)(ptr), \
+ __tmp2 = (uintptr_t)(flags); \
+ WARN_ON_ONCE(__tmp1 & ~SK_USER_DATA_PTRMASK); \
+ WARN_ON_ONCE(__tmp2 & SK_USER_DATA_PTRMASK); \
rcu_assign_pointer(__sk_user_data((sk)), \
- __tmp | SK_USER_DATA_NOCOPY); \
+ __tmp1 | __tmp2); \
})
+#define rcu_assign_sk_user_data(sk, ptr) \
+ __rcu_assign_sk_user_data_with_flags(sk, ptr, 0)
static inline
struct net *sock_net(const struct sock *sk)
diff --git a/include/net/tls.h b/include/net/tls.h
index b75b5727abdb..cb205f9d9473 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -237,7 +237,7 @@ struct tls_context {
void *priv_ctx_tx;
void *priv_ctx_rx;
- struct net_device *netdev;
+ struct net_device __rcu *netdev;
/* rw cache line */
struct cipher_context tx;
diff --git a/include/uapi/linux/atm_zatm.h b/include/uapi/linux/atm_zatm.h
new file mode 100644
index 000000000000..5135027b93c1
--- /dev/null
+++ b/include/uapi/linux/atm_zatm.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/* atm_zatm.h - Driver-specific declarations of the ZATM driver (for use by
+ driver-specific utilities) */
+
+/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */
+
+
+#ifndef LINUX_ATM_ZATM_H
+#define LINUX_ATM_ZATM_H
+
+/*
+ * Note: non-kernel programs including this file must also include
+ * sys/types.h for struct timeval
+ */
+
+#include <linux/atmapi.h>
+#include <linux/atmioc.h>
+
+#define ZATM_GETPOOL _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc)
+ /* get pool statistics */
+#define ZATM_GETPOOLZ _IOW('a',ATMIOC_SARPRV+2,struct atmif_sioc)
+ /* get statistics and zero */
+#define ZATM_SETPOOL _IOW('a',ATMIOC_SARPRV+3,struct atmif_sioc)
+ /* set pool parameters */
+
+struct zatm_pool_info {
+ int ref_count; /* free buffer pool usage counters */
+ int low_water,high_water; /* refill parameters */
+ int rqa_count,rqu_count; /* queue condition counters */
+ int offset,next_off; /* alignment optimizations: offset */
+ int next_cnt,next_thres; /* repetition counter and threshold */
+};
+
+struct zatm_pool_req {
+ int pool_num; /* pool number */
+ struct zatm_pool_info info; /* actual information */
+};
+
+#define ZATM_OAM_POOL 0 /* free buffer pool for OAM cells */
+#define ZATM_AAL0_POOL 1 /* free buffer pool for AAL0 cells */
+#define ZATM_AAL5_POOL_BASE 2 /* first AAL5 free buffer pool */
+#define ZATM_LAST_POOL ZATM_AAL5_POOL_BASE+10 /* max. 64 kB */
+
+#define ZATM_TIMER_HISTORY_SIZE 16 /* number of timer adjustments to
+ record; must be 2^n */
+
+#endif
diff --git a/include/uapi/linux/genetlink.h b/include/uapi/linux/genetlink.h
index d83f214b4134..ddba3ca01e39 100644
--- a/include/uapi/linux/genetlink.h
+++ b/include/uapi/linux/genetlink.h
@@ -87,6 +87,8 @@ enum {
__CTRL_ATTR_MCAST_GRP_MAX,
};
+#define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
+
enum {
CTRL_ATTR_POLICY_UNSPEC,
CTRL_ATTR_POLICY_DO,
@@ -96,7 +98,6 @@ enum {
CTRL_ATTR_POLICY_DUMP_MAX = __CTRL_ATTR_POLICY_DUMP_MAX - 1
};
-#define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)
-
+#define CTRL_ATTR_POLICY_MAX (__CTRL_ATTR_POLICY_DUMP_MAX - 1)
#endif /* _UAPI__LINUX_GENERIC_NETLINK_H */
diff --git a/include/uapi/linux/netfilter_ipv6/ip6t_LOG.h b/include/uapi/linux/netfilter_ipv6/ip6t_LOG.h
index 23e91a9c2583..0b7b16dbdec2 100644
--- a/include/uapi/linux/netfilter_ipv6/ip6t_LOG.h
+++ b/include/uapi/linux/netfilter_ipv6/ip6t_LOG.h
@@ -17,4 +17,4 @@ struct ip6t_log_info {
char prefix[30];
};
-#endif /*_IPT_LOG_H*/
+#endif /* _IP6T_LOG_H */