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-rw-r--r--include/net/addrconf.h12
-rw-r--r--include/net/af_unix.h1
-rw-r--r--include/net/bluetooth/hci_core.h9
-rw-r--r--include/net/cfg80211.h46
-rw-r--r--include/net/genetlink.h2
-rw-r--r--include/net/if_inet6.h4
-rw-r--r--include/net/ip6_fib.h64
-rw-r--r--include/net/neighbour.h2
-rw-r--r--include/net/netfilter/nf_flow_table.h10
-rw-r--r--include/net/netfilter/nf_tables.h4
-rw-r--r--include/net/netfilter/nf_tables_ipv4.h2
-rw-r--r--include/net/netkit.h6
-rw-r--r--include/net/scm.h9
-rw-r--r--include/net/sock.h5
-rw-r--r--include/net/tc_act/tc_ct.h9
-rw-r--r--include/net/tcp.h11
-rw-r--r--include/net/tcp_ao.h32
17 files changed, 158 insertions, 70 deletions
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 82da55101b5a..61ebe723ee4d 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -31,17 +31,22 @@ struct prefix_info {
__u8 length;
__u8 prefix_len;
+ union __packed {
+ __u8 flags;
+ struct __packed {
#if defined(__BIG_ENDIAN_BITFIELD)
- __u8 onlink : 1,
+ __u8 onlink : 1,
autoconf : 1,
reserved : 6;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
- __u8 reserved : 6,
+ __u8 reserved : 6,
autoconf : 1,
onlink : 1;
#else
#error "Please fix <asm/byteorder.h>"
#endif
+ };
+ };
__be32 valid;
__be32 prefered;
__be32 reserved2;
@@ -49,6 +54,9 @@ struct prefix_info {
struct in6_addr prefix;
};
+/* rfc4861 4.6.2: IPv6 PIO is 32 bytes in size */
+static_assert(sizeof(struct prefix_info) == 32);
+
#include <linux/ipv6.h>
#include <linux/netdevice.h>
#include <net/if_inet6.h>
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 824c258143a3..49c4640027d8 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -75,6 +75,7 @@ struct unix_sock {
};
#define unix_sk(ptr) container_of_const(ptr, struct unix_sock, sk)
+#define unix_peer(sk) (unix_sk(sk)->peer)
#define peer_wait peer_wq.wait
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 20988623c5cc..a3a1ea2696a8 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -189,6 +189,7 @@ struct blocked_key {
struct smp_csrk {
bdaddr_t bdaddr;
u8 bdaddr_type;
+ u8 link_type;
u8 type;
u8 val[16];
};
@@ -198,6 +199,7 @@ struct smp_ltk {
struct rcu_head rcu;
bdaddr_t bdaddr;
u8 bdaddr_type;
+ u8 link_type;
u8 authenticated;
u8 type;
u8 enc_size;
@@ -212,6 +214,7 @@ struct smp_irk {
bdaddr_t rpa;
bdaddr_t bdaddr;
u8 addr_type;
+ u8 link_type;
u8 val[16];
};
@@ -219,6 +222,8 @@ struct link_key {
struct list_head list;
struct rcu_head rcu;
bdaddr_t bdaddr;
+ u8 bdaddr_type;
+ u8 link_type;
u8 type;
u8 val[HCI_LINK_KEY_SIZE];
u8 pin_len;
@@ -1227,11 +1232,11 @@ static inline struct hci_conn *hci_conn_hash_lookup_cis(struct hci_dev *hdev,
continue;
/* Match CIG ID if set */
- if (cig != BT_ISO_QOS_CIG_UNSET && cig != c->iso_qos.ucast.cig)
+ if (cig != c->iso_qos.ucast.cig)
continue;
/* Match CIS ID if set */
- if (id != BT_ISO_QOS_CIS_UNSET && id != c->iso_qos.ucast.cis)
+ if (id != c->iso_qos.ucast.cis)
continue;
/* Match destination address if set */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index b137a33a1b68..4ecfb06c413d 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -9299,4 +9299,50 @@ bool cfg80211_valid_disable_subchannel_bitmap(u16 *bitmap,
*/
void cfg80211_links_removed(struct net_device *dev, u16 link_mask);
+#ifdef CONFIG_CFG80211_DEBUGFS
+/**
+ * wiphy_locked_debugfs_read - do a locked read in debugfs
+ * @wiphy: the wiphy to use
+ * @file: the file being read
+ * @buf: the buffer to fill and then read from
+ * @bufsize: size of the buffer
+ * @userbuf: the user buffer to copy to
+ * @count: read count
+ * @ppos: read position
+ * @handler: the read handler to call (under wiphy lock)
+ * @data: additional data to pass to the read handler
+ */
+ssize_t wiphy_locked_debugfs_read(struct wiphy *wiphy, struct file *file,
+ char *buf, size_t bufsize,
+ char __user *userbuf, size_t count,
+ loff_t *ppos,
+ ssize_t (*handler)(struct wiphy *wiphy,
+ struct file *file,
+ char *buf,
+ size_t bufsize,
+ void *data),
+ void *data);
+
+/**
+ * wiphy_locked_debugfs_write - do a locked write in debugfs
+ * @wiphy: the wiphy to use
+ * @file: the file being written to
+ * @buf: the buffer to copy the user data to
+ * @bufsize: size of the buffer
+ * @userbuf: the user buffer to copy from
+ * @count: read count
+ * @handler: the write handler to call (under wiphy lock)
+ * @data: additional data to pass to the write handler
+ */
+ssize_t wiphy_locked_debugfs_write(struct wiphy *wiphy, struct file *file,
+ char *buf, size_t bufsize,
+ const char __user *userbuf, size_t count,
+ ssize_t (*handler)(struct wiphy *wiphy,
+ struct file *file,
+ char *buf,
+ size_t count,
+ void *data),
+ void *data);
+#endif
+
#endif /* __NET_CFG80211_H */
diff --git a/include/net/genetlink.h b/include/net/genetlink.h
index e18a4c0d69ee..c53244f20437 100644
--- a/include/net/genetlink.h
+++ b/include/net/genetlink.h
@@ -12,10 +12,12 @@
* 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)
+ * @cap_sys_admin: whether %CAP_SYS_ADMIN is required for binding
*/
struct genl_multicast_group {
char name[GENL_NAMSIZ];
u8 flags;
+ u8 cap_sys_admin:1;
};
struct genl_split_ops;
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index 3e454c4d7ba6..f07642264c1e 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -22,10 +22,6 @@
#define IF_RS_SENT 0x10
#define IF_READY 0x80000000
-/* prefix flags */
-#define IF_PREFIX_ONLINK 0x01
-#define IF_PREFIX_AUTOCONF 0x02
-
enum {
INET6_IFADDR_STATE_PREDAD,
INET6_IFADDR_STATE_DAD,
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 1ba9f4ddf2f6..9ba6413fd2e3 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -179,9 +179,6 @@ struct fib6_info {
refcount_t fib6_ref;
unsigned long expires;
-
- struct hlist_node gc_link;
-
struct dst_metrics *fib6_metrics;
#define fib6_pmtu fib6_metrics->metrics[RTAX_MTU-1]
@@ -250,6 +247,19 @@ static inline bool fib6_requires_src(const struct fib6_info *rt)
return rt->fib6_src.plen > 0;
}
+static inline void fib6_clean_expires(struct fib6_info *f6i)
+{
+ f6i->fib6_flags &= ~RTF_EXPIRES;
+ f6i->expires = 0;
+}
+
+static inline void fib6_set_expires(struct fib6_info *f6i,
+ unsigned long expires)
+{
+ f6i->expires = expires;
+ f6i->fib6_flags |= RTF_EXPIRES;
+}
+
static inline bool fib6_check_expired(const struct fib6_info *f6i)
{
if (f6i->fib6_flags & RTF_EXPIRES)
@@ -257,11 +267,6 @@ static inline bool fib6_check_expired(const struct fib6_info *f6i)
return false;
}
-static inline bool fib6_has_expires(const struct fib6_info *f6i)
-{
- return f6i->fib6_flags & RTF_EXPIRES;
-}
-
/* Function to safely get fn->fn_sernum for passed in rt
* and store result in passed in cookie.
* Return true if we can get cookie safely
@@ -383,7 +388,6 @@ struct fib6_table {
struct inet_peer_base tb6_peers;
unsigned int flags;
unsigned int fib_seq;
- struct hlist_head tb6_gc_hlist; /* GC candidates */
#define RT6_TABLE_HAS_DFLT_ROUTER BIT(0)
};
@@ -500,48 +504,6 @@ void fib6_gc_cleanup(void);
int fib6_init(void);
-/* fib6_info must be locked by the caller, and fib6_info->fib6_table can be
- * NULL.
- */
-static inline void fib6_set_expires_locked(struct fib6_info *f6i,
- unsigned long expires)
-{
- struct fib6_table *tb6;
-
- tb6 = f6i->fib6_table;
- f6i->expires = expires;
- if (tb6 && !fib6_has_expires(f6i))
- hlist_add_head(&f6i->gc_link, &tb6->tb6_gc_hlist);
- f6i->fib6_flags |= RTF_EXPIRES;
-}
-
-/* fib6_info must be locked by the caller, and fib6_info->fib6_table can be
- * NULL. If fib6_table is NULL, the fib6_info will no be inserted into the
- * list of GC candidates until it is inserted into a table.
- */
-static inline void fib6_set_expires(struct fib6_info *f6i,
- unsigned long expires)
-{
- spin_lock_bh(&f6i->fib6_table->tb6_lock);
- fib6_set_expires_locked(f6i, expires);
- spin_unlock_bh(&f6i->fib6_table->tb6_lock);
-}
-
-static inline void fib6_clean_expires_locked(struct fib6_info *f6i)
-{
- if (fib6_has_expires(f6i))
- hlist_del_init(&f6i->gc_link);
- f6i->fib6_flags &= ~RTF_EXPIRES;
- f6i->expires = 0;
-}
-
-static inline void fib6_clean_expires(struct fib6_info *f6i)
-{
- spin_lock_bh(&f6i->fib6_table->tb6_lock);
- fib6_clean_expires_locked(f6i);
- spin_unlock_bh(&f6i->fib6_table->tb6_lock);
-}
-
struct ipv6_route_iter {
struct seq_net_private p;
struct fib6_walker w;
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 07022bb0d44d..0d28172193fa 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -162,7 +162,7 @@ struct neighbour {
struct rcu_head rcu;
struct net_device *dev;
netdevice_tracker dev_tracker;
- u8 primary_key[0];
+ u8 primary_key[];
} __randomize_layout;
struct neigh_ops {
diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index fe1507c1db82..692d5955911c 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -62,6 +62,8 @@ struct nf_flowtable_type {
enum flow_offload_tuple_dir dir,
struct nf_flow_rule *flow_rule);
void (*free)(struct nf_flowtable *ft);
+ void (*get)(struct nf_flowtable *ft);
+ void (*put)(struct nf_flowtable *ft);
nf_hookfn *hook;
struct module *owner;
};
@@ -240,6 +242,11 @@ nf_flow_table_offload_add_cb(struct nf_flowtable *flow_table,
}
list_add_tail(&block_cb->list, &block->cb_list);
+ up_write(&flow_table->flow_block_lock);
+
+ if (flow_table->type->get)
+ flow_table->type->get(flow_table);
+ return 0;
unlock:
up_write(&flow_table->flow_block_lock);
@@ -262,6 +269,9 @@ nf_flow_table_offload_del_cb(struct nf_flowtable *flow_table,
WARN_ON(true);
}
up_write(&flow_table->flow_block_lock);
+
+ if (flow_table->type->put)
+ flow_table->type->put(flow_table);
}
void flow_offload_route_init(struct flow_offload *flow,
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 3bbd13ab1ecf..b157c5cafd14 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -178,9 +178,9 @@ static inline __be32 nft_reg_load_be32(const u32 *sreg)
return *(__force __be32 *)sreg;
}
-static inline void nft_reg_store64(u32 *dreg, u64 val)
+static inline void nft_reg_store64(u64 *dreg, u64 val)
{
- put_unaligned(val, (u64 *)dreg);
+ put_unaligned(val, dreg);
}
static inline u64 nft_reg_load64(const u32 *sreg)
diff --git a/include/net/netfilter/nf_tables_ipv4.h b/include/net/netfilter/nf_tables_ipv4.h
index 947973623dc7..60a7d0ce3080 100644
--- a/include/net/netfilter/nf_tables_ipv4.h
+++ b/include/net/netfilter/nf_tables_ipv4.h
@@ -30,7 +30,7 @@ static inline int __nft_set_pktinfo_ipv4_validate(struct nft_pktinfo *pkt)
return -1;
len = iph_totlen(pkt->skb, iph);
- thoff = iph->ihl * 4;
+ thoff = skb_network_offset(pkt->skb) + (iph->ihl * 4);
if (pkt->skb->len < len)
return -1;
else if (len < thoff)
diff --git a/include/net/netkit.h b/include/net/netkit.h
index 0ba2e6b847ca..9ec0163739f4 100644
--- a/include/net/netkit.h
+++ b/include/net/netkit.h
@@ -10,6 +10,7 @@ int netkit_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog);
int netkit_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);
int netkit_prog_detach(const union bpf_attr *attr, struct bpf_prog *prog);
int netkit_prog_query(const union bpf_attr *attr, union bpf_attr __user *uattr);
+INDIRECT_CALLABLE_DECLARE(struct net_device *netkit_peer_dev(struct net_device *dev));
#else
static inline int netkit_prog_attach(const union bpf_attr *attr,
struct bpf_prog *prog)
@@ -34,5 +35,10 @@ static inline int netkit_prog_query(const union bpf_attr *attr,
{
return -EINVAL;
}
+
+static inline struct net_device *netkit_peer_dev(struct net_device *dev)
+{
+ return NULL;
+}
#endif /* CONFIG_NETKIT */
#endif /* __NET_NETKIT_H */
diff --git a/include/net/scm.h b/include/net/scm.h
index e8c76b4be2fe..cf68acec4d70 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -5,6 +5,7 @@
#include <linux/limits.h>
#include <linux/net.h>
#include <linux/cred.h>
+#include <linux/file.h>
#include <linux/security.h>
#include <linux/pid.h>
#include <linux/nsproxy.h>
@@ -208,5 +209,13 @@ static inline void scm_recv_unix(struct socket *sock, struct msghdr *msg,
scm_destroy_cred(scm);
}
+static inline int scm_recv_one_fd(struct file *f, int __user *ufd,
+ unsigned int flags)
+{
+ if (!ufd)
+ return -EFAULT;
+ return receive_fd(f, ufd, flags);
+}
+
#endif /* __LINUX_NET_SCM_H */
diff --git a/include/net/sock.h b/include/net/sock.h
index 1d6931caf0c3..0201136b0b9c 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2799,6 +2799,11 @@ static inline bool sk_is_tcp(const struct sock *sk)
return sk->sk_type == SOCK_STREAM && sk->sk_protocol == IPPROTO_TCP;
}
+static inline bool sk_is_stream_unix(const struct sock *sk)
+{
+ return sk->sk_family == AF_UNIX && sk->sk_type == SOCK_STREAM;
+}
+
/**
* sk_eat_skb - Release a skb if it is no longer needed
* @sk: socket to eat this skb from
diff --git a/include/net/tc_act/tc_ct.h b/include/net/tc_act/tc_ct.h
index 8a6dbfb23336..77f87c622a2e 100644
--- a/include/net/tc_act/tc_ct.h
+++ b/include/net/tc_act/tc_ct.h
@@ -58,6 +58,11 @@ static inline struct nf_flowtable *tcf_ct_ft(const struct tc_action *a)
return to_ct_params(a)->nf_ft;
}
+static inline struct nf_conntrack_helper *tcf_ct_helper(const struct tc_action *a)
+{
+ return to_ct_params(a)->helper;
+}
+
#else
static inline uint16_t tcf_ct_zone(const struct tc_action *a) { return 0; }
static inline int tcf_ct_action(const struct tc_action *a) { return 0; }
@@ -65,6 +70,10 @@ static inline struct nf_flowtable *tcf_ct_ft(const struct tc_action *a)
{
return NULL;
}
+static inline struct nf_conntrack_helper *tcf_ct_helper(const struct tc_action *a)
+{
+ return NULL;
+}
#endif /* CONFIG_NF_CONNTRACK */
#if IS_ENABLED(CONFIG_NET_ACT_CT)
diff --git a/include/net/tcp.h b/include/net/tcp.h
index d2f0736b76b8..87f0e6c2e1f2 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1514,17 +1514,22 @@ static inline int tcp_full_space(const struct sock *sk)
return tcp_win_from_space(sk, READ_ONCE(sk->sk_rcvbuf));
}
-static inline void tcp_adjust_rcv_ssthresh(struct sock *sk)
+static inline void __tcp_adjust_rcv_ssthresh(struct sock *sk, u32 new_ssthresh)
{
int unused_mem = sk_unused_reserved_mem(sk);
struct tcp_sock *tp = tcp_sk(sk);
- tp->rcv_ssthresh = min(tp->rcv_ssthresh, 4U * tp->advmss);
+ tp->rcv_ssthresh = min(tp->rcv_ssthresh, new_ssthresh);
if (unused_mem)
tp->rcv_ssthresh = max_t(u32, tp->rcv_ssthresh,
tcp_win_from_space(sk, unused_mem));
}
+static inline void tcp_adjust_rcv_ssthresh(struct sock *sk)
+{
+ __tcp_adjust_rcv_ssthresh(sk, 4U * tcp_sk(sk)->advmss);
+}
+
void tcp_cleanup_rbuf(struct sock *sk, int copied);
void __tcp_cleanup_rbuf(struct sock *sk, int copied);
@@ -1783,8 +1788,6 @@ struct tcp_md5sig_key *tcp_v4_md5_lookup(const struct sock *sk,
const struct sock *addr_sk);
#ifdef CONFIG_TCP_MD5SIG
-#include <linux/jump_label.h>
-extern struct static_key_false_deferred tcp_md5_needed;
struct tcp_md5sig_key *__tcp_md5_do_lookup(const struct sock *sk, int l3index,
const union tcp_md5_addr *addr,
int family, bool any_l3index);
diff --git a/include/net/tcp_ao.h b/include/net/tcp_ao.h
index b56be10838f0..b04afced4cc9 100644
--- a/include/net/tcp_ao.h
+++ b/include/net/tcp_ao.h
@@ -62,11 +62,17 @@ static inline int tcp_ao_maclen(const struct tcp_ao_key *key)
return key->maclen;
}
+/* Use tcp_ao_len_aligned() for TCP header calculations */
static inline int tcp_ao_len(const struct tcp_ao_key *key)
{
return tcp_ao_maclen(key) + sizeof(struct tcp_ao_hdr);
}
+static inline int tcp_ao_len_aligned(const struct tcp_ao_key *key)
+{
+ return round_up(tcp_ao_len(key), 4);
+}
+
static inline unsigned int tcp_ao_digest_size(struct tcp_ao_key *key)
{
return key->digest_size;
@@ -121,12 +127,35 @@ struct tcp_ao_info {
struct rcu_head rcu;
};
+#ifdef CONFIG_TCP_MD5SIG
+#include <linux/jump_label.h>
+extern struct static_key_false_deferred tcp_md5_needed;
+#define static_branch_tcp_md5() static_branch_unlikely(&tcp_md5_needed.key)
+#else
+#define static_branch_tcp_md5() false
+#endif
+#ifdef CONFIG_TCP_AO
+/* TCP-AO structures and functions */
+#include <linux/jump_label.h>
+extern struct static_key_false_deferred tcp_ao_needed;
+#define static_branch_tcp_ao() static_branch_unlikely(&tcp_ao_needed.key)
+#else
+#define static_branch_tcp_ao() false
+#endif
+
+static inline bool tcp_hash_should_produce_warnings(void)
+{
+ return static_branch_tcp_md5() || static_branch_tcp_ao();
+}
+
#define tcp_hash_fail(msg, family, skb, fmt, ...) \
do { \
const struct tcphdr *th = tcp_hdr(skb); \
char hdr_flags[6]; \
char *f = hdr_flags; \
\
+ if (!tcp_hash_should_produce_warnings()) \
+ break; \
if (th->fin) \
*f++ = 'F'; \
if (th->syn) \
@@ -153,9 +182,6 @@ do { \
#ifdef CONFIG_TCP_AO
/* TCP-AO structures and functions */
-#include <linux/jump_label.h>
-extern struct static_key_false_deferred tcp_ao_needed;
-
struct tcp4_ao_context {
__be32 saddr;
__be32 daddr;
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