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-rw-r--r--include/net/act_api.h4
-rw-r--r--include/net/af_vsock.h3
-rw-r--r--include/net/bluetooth/hci_core.h3
-rw-r--r--include/net/bonding.h3
-rw-r--r--include/net/busy_poll.h6
-rw-r--r--include/net/dst.h5
-rw-r--r--include/net/flow_dissector.h3
-rw-r--r--include/net/fq.h2
-rw-r--r--include/net/fq_impl.h4
-rw-r--r--include/net/ip6_tunnel.h9
-rw-r--r--include/net/ip_vs.h7
-rw-r--r--include/net/ipv6_frag.h1
-rw-r--r--include/net/llc.h1
-rw-r--r--include/net/llc_conn.h2
-rw-r--r--include/net/neighbour.h4
-rw-r--r--include/net/netfilter/nf_tables.h3
-rw-r--r--include/net/netns/ipv4.h1
-rw-r--r--include/net/psample.h1
-rw-r--r--include/net/sch_generic.h5
-rw-r--r--include/net/sctp/sctp.h2
-rw-r--r--include/net/sctp/structs.h3
-rw-r--r--include/net/sock.h21
-rw-r--r--include/net/tcp.h26
-rw-r--r--include/net/xfrm.h18
24 files changed, 103 insertions, 34 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index a10a3b1813f3..775387d6ca95 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -14,6 +14,7 @@
struct tcf_idrinfo {
spinlock_t lock;
struct idr action_idr;
+ struct net *net;
};
struct tc_action_ops;
@@ -104,7 +105,7 @@ struct tc_action_net {
};
static inline
-int tc_action_net_init(struct tc_action_net *tn,
+int tc_action_net_init(struct net *net, struct tc_action_net *tn,
const struct tc_action_ops *ops)
{
int err = 0;
@@ -113,6 +114,7 @@ int tc_action_net_init(struct tc_action_net *tn,
if (!tn->idrinfo)
return -ENOMEM;
tn->ops = ops;
+ tn->idrinfo->net = net;
spin_lock_init(&tn->idrinfo->lock);
idr_init(&tn->idrinfo->action_idr);
return err;
diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h
index 5fb3f6361090..d3775b5379e4 100644
--- a/include/net/af_vsock.h
+++ b/include/net/af_vsock.h
@@ -22,9 +22,6 @@
#include "vsock_addr.h"
-/* vsock-specific sock->sk_state constants */
-#define VSOCK_SS_LISTEN 255
-
#define LAST_RESERVED_PORT 1023
#define vsock_sk(__sk) ((struct vsock_sock *)__sk)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index b619a190ff12..6cd4d5b48239 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -178,6 +178,9 @@ struct adv_info {
#define HCI_MAX_SHORT_NAME_LENGTH 10
+/* Min encryption key size to match with SMP */
+#define HCI_MIN_ENC_KEY_SIZE 7
+
/* Default LE RPA expiry time, 15 minutes */
#define HCI_DEFAULT_RPA_TIMEOUT (15 * 60)
diff --git a/include/net/bonding.h b/include/net/bonding.h
index 04008209506a..b0f20bc0fd4a 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -149,7 +149,6 @@ struct slave {
unsigned long target_last_arp_rx[BOND_MAX_ARP_TARGETS];
s8 link; /* one of BOND_LINK_XXXX */
s8 link_new_state; /* one of BOND_LINK_XXXX */
- s8 new_link;
u8 backup:1, /* indicates backup slave. Value corresponds with
BOND_STATE_ACTIVE and BOND_STATE_BACKUP */
inactive:1, /* indicates inactive slave */
@@ -523,7 +522,7 @@ static inline void bond_propose_link_state(struct slave *slave, int state)
static inline void bond_commit_link_state(struct slave *slave, bool notify)
{
- if (slave->link == slave->link_new_state)
+ if (slave->link_new_state == BOND_LINK_NOCHANGE)
return;
slave->link = slave->link_new_state;
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 71c72a939bf8..c86fcadccbd7 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -134,7 +134,7 @@ static inline void skb_mark_napi_id(struct sk_buff *skb,
static inline void sk_mark_napi_id(struct sock *sk, const struct sk_buff *skb)
{
#ifdef CONFIG_NET_RX_BUSY_POLL
- sk->sk_napi_id = skb->napi_id;
+ WRITE_ONCE(sk->sk_napi_id, skb->napi_id);
#endif
}
@@ -143,8 +143,8 @@ static inline void sk_mark_napi_id_once(struct sock *sk,
const struct sk_buff *skb)
{
#ifdef CONFIG_NET_RX_BUSY_POLL
- if (!sk->sk_napi_id)
- sk->sk_napi_id = skb->napi_id;
+ if (!READ_ONCE(sk->sk_napi_id))
+ WRITE_ONCE(sk->sk_napi_id, skb->napi_id);
#endif
}
diff --git a/include/net/dst.h b/include/net/dst.h
index ebfb4328fdb1..2acd670fc86b 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -329,8 +329,9 @@ static inline bool dst_hold_safe(struct dst_entry *dst)
* @skb: buffer
*
* If dst is not yet refcounted and not destroyed, grab a ref on it.
+ * Returns true if dst is refcounted.
*/
-static inline void skb_dst_force(struct sk_buff *skb)
+static inline bool skb_dst_force(struct sk_buff *skb)
{
if (skb_dst_is_noref(skb)) {
struct dst_entry *dst = skb_dst(skb);
@@ -341,6 +342,8 @@ static inline void skb_dst_force(struct sk_buff *skb)
skb->_skb_refdst = (unsigned long)dst;
}
+
+ return skb->_skb_refdst != 0UL;
}
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 22aba321282d..227dc0a84172 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -4,6 +4,7 @@
#include <linux/types.h>
#include <linux/in6.h>
+#include <linux/siphash.h>
#include <uapi/linux/if_ether.h>
/**
@@ -229,7 +230,7 @@ struct flow_dissector {
struct flow_keys {
struct flow_dissector_key_control control;
#define FLOW_KEYS_HASH_START_FIELD basic
- struct flow_dissector_key_basic basic;
+ struct flow_dissector_key_basic basic __aligned(SIPHASH_ALIGNMENT);
struct flow_dissector_key_tags tags;
struct flow_dissector_key_vlan vlan;
struct flow_dissector_key_keyid keyid;
diff --git a/include/net/fq.h b/include/net/fq.h
index 6d8521a30c5c..2c7687902789 100644
--- a/include/net/fq.h
+++ b/include/net/fq.h
@@ -70,7 +70,7 @@ struct fq {
struct list_head backlogs;
spinlock_t lock;
u32 flows_cnt;
- u32 perturbation;
+ siphash_key_t perturbation;
u32 limit;
u32 memory_limit;
u32 memory_usage;
diff --git a/include/net/fq_impl.h b/include/net/fq_impl.h
index ac1a2317941e..46903e23eab9 100644
--- a/include/net/fq_impl.h
+++ b/include/net/fq_impl.h
@@ -105,7 +105,7 @@ static struct fq_flow *fq_flow_classify(struct fq *fq,
lockdep_assert_held(&fq->lock);
- hash = skb_get_hash_perturb(skb, fq->perturbation);
+ hash = skb_get_hash_perturb(skb, &fq->perturbation);
idx = reciprocal_scale(hash, fq->flows_cnt);
flow = &fq->flows[idx];
@@ -255,7 +255,7 @@ static int fq_init(struct fq *fq, int flows_cnt)
INIT_LIST_HEAD(&fq->backlogs);
spin_lock_init(&fq->lock);
fq->flows_cnt = max_t(u32, flows_cnt, 1);
- fq->perturbation = prandom_u32();
+ get_random_bytes(&fq->perturbation, sizeof(fq->perturbation));
fq->quantum = 300;
fq->limit = 8192;
fq->memory_limit = 16 << 20; /* 16 MBytes */
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index d66f70f63734..3b0e3cdee1c3 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -152,9 +152,12 @@ static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb,
memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
pkt_len = skb->len - skb_inner_network_offset(skb);
err = ip6_local_out(dev_net(skb_dst(skb)->dev), sk, skb);
- if (unlikely(net_xmit_eval(err)))
- pkt_len = -1;
- iptunnel_xmit_stats(dev, pkt_len);
+
+ if (dev) {
+ if (unlikely(net_xmit_eval(err)))
+ pkt_len = -1;
+ iptunnel_xmit_stats(dev, pkt_len);
+ }
}
#endif
#endif
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 5d08c1950e7d..f4e5ac8aa366 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -812,11 +812,12 @@ struct ipvs_master_sync_state {
struct ip_vs_sync_buff *sync_buff;
unsigned long sync_queue_len;
unsigned int sync_queue_delay;
- struct task_struct *master_thread;
struct delayed_work master_wakeup_work;
struct netns_ipvs *ipvs;
};
+struct ip_vs_sync_thread_data;
+
/* How much time to keep dests in trash */
#define IP_VS_DEST_TRASH_PERIOD (120 * HZ)
@@ -890,6 +891,7 @@ struct netns_ipvs {
struct delayed_work defense_work; /* Work handler */
int drop_rate;
int drop_counter;
+ int old_secure_tcp;
atomic_t dropentry;
/* locks in ctl.c */
spinlock_t dropentry_lock; /* drop entry handling */
@@ -947,7 +949,8 @@ struct netns_ipvs {
spinlock_t sync_lock;
struct ipvs_master_sync_state *ms;
spinlock_t sync_buff_lock;
- struct task_struct **backup_threads;
+ struct ip_vs_sync_thread_data *master_tinfo;
+ struct ip_vs_sync_thread_data *backup_tinfo;
int threads_mask;
volatile int sync_state;
struct mutex sync_mutex;
diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h
index 28aa9b30aece..1f77fb4dc79d 100644
--- a/include/net/ipv6_frag.h
+++ b/include/net/ipv6_frag.h
@@ -94,7 +94,6 @@ ip6frag_expire_frag_queue(struct net *net, struct frag_queue *fq)
goto out;
head->dev = dev;
- skb_get(head);
spin_unlock(&fq->q.lock);
icmpv6_send(head, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0);
diff --git a/include/net/llc.h b/include/net/llc.h
index 890a87318014..df282d9b4017 100644
--- a/include/net/llc.h
+++ b/include/net/llc.h
@@ -66,6 +66,7 @@ struct llc_sap {
int sk_count;
struct hlist_nulls_head sk_laddr_hash[LLC_SK_LADDR_HASH_ENTRIES];
struct hlist_head sk_dev_hash[LLC_SK_DEV_HASH_ENTRIES];
+ struct rcu_head rcu;
};
static inline
diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h
index df528a623548..ea985aa7a6c5 100644
--- a/include/net/llc_conn.h
+++ b/include/net/llc_conn.h
@@ -104,7 +104,7 @@ void llc_sk_reset(struct sock *sk);
/* Access to a connection */
int llc_conn_state_process(struct sock *sk, struct sk_buff *skb);
-int llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
+void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
void llc_conn_rtn_pdu(struct sock *sk, struct sk_buff *skb);
void llc_conn_resend_i_pdu_as_cmd(struct sock *sk, u8 nr, u8 first_p_bit);
void llc_conn_resend_i_pdu_as_rsp(struct sock *sk, u8 nr, u8 first_f_bit);
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 393099b1901a..1d6b98119a1d 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -429,8 +429,8 @@ static inline int neigh_event_send(struct neighbour *neigh, struct sk_buff *skb)
{
unsigned long now = jiffies;
- if (neigh->used != now)
- neigh->used = now;
+ if (READ_ONCE(neigh->used) != now)
+ WRITE_ONCE(neigh->used, now);
if (!(neigh->nud_state&(NUD_CONNECTED|NUD_DELAY|NUD_PROBE)))
return __neigh_event_send(neigh, skb);
return 0;
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 59a4f50ffe8d..a9704c57430d 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -759,7 +759,8 @@ struct nft_expr_ops {
*/
struct nft_expr {
const struct nft_expr_ops *ops;
- unsigned char data[];
+ unsigned char data[]
+ __attribute__((aligned(__alignof__(u64))));
};
static inline void *nft_expr_priv(const struct nft_expr *expr)
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index a2e4adafd34d..e268c970ec54 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -107,6 +107,7 @@ struct netns_ipv4 {
#endif
int sysctl_tcp_mtu_probing;
int sysctl_tcp_base_mss;
+ int sysctl_tcp_min_snd_mss;
int sysctl_tcp_probe_threshold;
u32 sysctl_tcp_probe_interval;
diff --git a/include/net/psample.h b/include/net/psample.h
index 9b80f814ab04..94cb37a7bf75 100644
--- a/include/net/psample.h
+++ b/include/net/psample.h
@@ -12,6 +12,7 @@ struct psample_group {
u32 group_num;
u32 refcount;
u32 seq;
+ struct rcu_head rcu;
};
struct psample_group *psample_group_get(struct net *net, u32 group_num);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index f59acacaa265..37876d842f2e 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -305,6 +305,11 @@ static inline struct Qdisc *qdisc_root(const struct Qdisc *qdisc)
return q;
}
+static inline struct Qdisc *qdisc_root_bh(const struct Qdisc *qdisc)
+{
+ return rcu_dereference_bh(qdisc->dev_queue->qdisc);
+}
+
static inline struct Qdisc *qdisc_root_sleeping(const struct Qdisc *qdisc)
{
return qdisc->dev_queue->qdisc_sleeping;
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 749a42882437..c713bd62428f 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -103,6 +103,8 @@ void sctp_addr_wq_mgmt(struct net *, struct sctp_sockaddr_entry *, int);
/*
* sctp/socket.c
*/
+int sctp_inet_connect(struct socket *sock, struct sockaddr *uaddr,
+ int addr_len, int flags);
int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb);
int sctp_inet_listen(struct socket *sock, int backlog);
void sctp_write_space(struct sock *sk);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 94c775773f58..c1f71dd464d3 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1181,6 +1181,9 @@ struct sctp_ep_common {
/* What socket does this endpoint belong to? */
struct sock *sk;
+ /* Cache netns and it won't change once set */
+ struct net *net;
+
/* This is where we receive inbound chunks. */
struct sctp_inq inqueue;
diff --git a/include/net/sock.h b/include/net/sock.h
index 60eef7f1ac05..0af46cbd3649 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -916,8 +916,8 @@ static inline void sk_incoming_cpu_update(struct sock *sk)
{
int cpu = raw_smp_processor_id();
- if (unlikely(sk->sk_incoming_cpu != cpu))
- sk->sk_incoming_cpu = cpu;
+ if (unlikely(READ_ONCE(sk->sk_incoming_cpu) != cpu))
+ WRITE_ONCE(sk->sk_incoming_cpu, cpu);
}
static inline void sock_rps_record_flow_hash(__u32 hash)
@@ -1232,7 +1232,7 @@ static inline void sk_sockets_allocated_inc(struct sock *sk)
percpu_counter_inc(sk->sk_prot->sockets_allocated);
}
-static inline int
+static inline u64
sk_sockets_allocated_read_positive(struct sock *sk)
{
return percpu_counter_read_positive(sk->sk_prot->sockets_allocated);
@@ -2131,12 +2131,17 @@ struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
* sk_page_frag - return an appropriate page_frag
* @sk: socket
*
- * If socket allocation mode allows current thread to sleep, it means its
- * safe to use the per task page_frag instead of the per socket one.
+ * Use the per task page_frag instead of the per socket one for
+ * optimization when we know that we're in the normal context and owns
+ * everything that's associated with %current.
+ *
+ * gfpflags_allow_blocking() isn't enough here as direct reclaim may nest
+ * inside other socket operations and end up recursing into sk_page_frag()
+ * while it's already in use.
*/
static inline struct page_frag *sk_page_frag(struct sock *sk)
{
- if (gfpflags_allow_blocking(sk->sk_allocation))
+ if (gfpflags_normal_context(sk->sk_allocation))
return &current->task_frag;
return &sk->sk_frag;
@@ -2224,7 +2229,7 @@ static inline ktime_t sock_read_timestamp(struct sock *sk)
return kt;
#else
- return sk->sk_stamp;
+ return READ_ONCE(sk->sk_stamp);
#endif
}
@@ -2235,7 +2240,7 @@ static inline void sock_write_timestamp(struct sock *sk, ktime_t kt)
sk->sk_stamp = kt;
write_sequnlock(&sk->sk_stamp_seq);
#else
- sk->sk_stamp = kt;
+ WRITE_ONCE(sk->sk_stamp, kt);
#endif
}
diff --git a/include/net/tcp.h b/include/net/tcp.h
index d0c2dbe94e21..785c4ef4e1bf 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -57,6 +57,8 @@ void tcp_time_wait(struct sock *sk, int state, int timeo);
#define MAX_TCP_HEADER (128 + MAX_HEADER)
#define MAX_TCP_OPTION_SPACE 40
+#define TCP_MIN_SND_MSS 48
+#define TCP_MIN_GSO_SIZE (TCP_MIN_SND_MSS - MAX_TCP_OPTION_SPACE)
/*
* Never offer a window over 32767 without using window scaling. Some
@@ -1041,7 +1043,8 @@ void tcp_get_default_congestion_control(char *name);
void tcp_get_available_congestion_control(char *buf, size_t len);
void tcp_get_allowed_congestion_control(char *buf, size_t len);
int tcp_set_allowed_congestion_control(char *allowed);
-int tcp_set_congestion_control(struct sock *sk, const char *name, bool load, bool reinit);
+int tcp_set_congestion_control(struct sock *sk, const char *name, bool load,
+ bool reinit, bool cap_net_admin);
u32 tcp_slow_start(struct tcp_sock *tp, u32 acked);
void tcp_cong_avoid_ai(struct tcp_sock *tp, u32 w, u32 acked);
@@ -1685,6 +1688,27 @@ static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unli
tcp_sk(sk)->highest_sack = NULL;
}
+static inline struct sk_buff *tcp_rtx_queue_head(const struct sock *sk)
+{
+ struct sk_buff *skb = tcp_write_queue_head(sk);
+
+ if (skb == tcp_send_head(sk))
+ skb = NULL;
+
+ return skb;
+}
+
+static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk)
+{
+ struct sk_buff *skb = tcp_send_head(sk);
+
+ /* empty retransmit queue, for example due to zero window */
+ if (skb == tcp_write_queue_head(sk))
+ return NULL;
+
+ return skb ? tcp_write_queue_prev(sk, skb) : tcp_write_queue_tail(sk);
+}
+
static inline void __tcp_add_write_queue_tail(struct sock *sk, struct sk_buff *skb)
{
__skb_queue_tail(&sk->sk_write_queue, skb);
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index db99efb2d1d0..57b8b11cf7d4 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -323,7 +323,6 @@ int xfrm_policy_register_afinfo(const struct xfrm_policy_afinfo *afinfo, int fam
void xfrm_policy_unregister_afinfo(const struct xfrm_policy_afinfo *afinfo);
void km_policy_notify(struct xfrm_policy *xp, int dir,
const struct km_event *c);
-void xfrm_policy_cache_flush(void);
void km_state_notify(struct xfrm_state *x, const struct km_event *c);
struct xfrm_tmpl;
@@ -1367,6 +1366,23 @@ static inline int xfrm_state_kern(const struct xfrm_state *x)
return atomic_read(&x->tunnel_users);
}
+static inline bool xfrm_id_proto_valid(u8 proto)
+{
+ switch (proto) {
+ case IPPROTO_AH:
+ case IPPROTO_ESP:
+ case IPPROTO_COMP:
+#if IS_ENABLED(CONFIG_IPV6)
+ case IPPROTO_ROUTING:
+ case IPPROTO_DSTOPTS:
+#endif
+ return true;
+ default:
+ return false;
+ }
+}
+
+/* IPSEC_PROTO_ANY only matches 3 IPsec protocols, 0 could match all. */
static inline int xfrm_id_proto_match(u8 proto, u8 userproto)
{
return (!userproto || proto == userproto ||
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-28 09:32:50 +0000