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-rw-r--r--include/net/act_api.h1
-rw-r--r--include/net/addrconf.h1
-rw-r--r--include/net/gen_stats.h4
-rw-r--r--include/net/inet_connection_sock.h3
-rw-r--r--include/net/inet_frag.h6
-rw-r--r--include/net/netns/ipv6.h1
-rw-r--r--include/net/sctp/structs.h40
-rw-r--r--include/net/sock_reuseport.h19
-rw-r--r--include/net/tcp.h30
-rw-r--r--include/net/tls.h4
-rw-r--r--include/net/xdp.h7
11 files changed, 91 insertions, 25 deletions
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 8c9bc02d05e1..1ad5b19e83a9 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -101,6 +101,7 @@ struct tc_action_ops {
void (*stats_update)(struct tc_action *, u64, u32, u64);
size_t (*get_fill_size)(const struct tc_action *act);
struct net_device *(*get_dev)(const struct tc_action *a);
+ void (*put_dev)(struct net_device *dev);
int (*delete)(struct net *net, u32 index);
};
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 5f43f7a70fe6..6def0351bcc3 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -108,6 +108,7 @@ int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
u32 banned_flags);
bool inet_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2,
bool match_wildcard);
+bool inet_rcv_saddr_any(const struct sock *sk);
void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr);
void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr);
diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h
index 0304ba2ae353..883bb9085f15 100644
--- a/include/net/gen_stats.h
+++ b/include/net/gen_stats.h
@@ -59,13 +59,13 @@ int gnet_stats_finish_copy(struct gnet_dump *d);
int gen_new_estimator(struct gnet_stats_basic_packed *bstats,
struct gnet_stats_basic_cpu __percpu *cpu_bstats,
struct net_rate_estimator __rcu **rate_est,
- spinlock_t *stats_lock,
+ spinlock_t *lock,
seqcount_t *running, struct nlattr *opt);
void gen_kill_estimator(struct net_rate_estimator __rcu **ptr);
int gen_replace_estimator(struct gnet_stats_basic_packed *bstats,
struct gnet_stats_basic_cpu __percpu *cpu_bstats,
struct net_rate_estimator __rcu **ptr,
- spinlock_t *stats_lock,
+ spinlock_t *lock,
seqcount_t *running, struct nlattr *opt);
bool gen_estimator_active(struct net_rate_estimator __rcu **ptr);
bool gen_estimator_read(struct net_rate_estimator __rcu **ptr,
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 0a6c9e0f2b5a..fa43b82607d9 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -167,7 +167,8 @@ enum inet_csk_ack_state_t {
ICSK_ACK_SCHED = 1,
ICSK_ACK_TIMER = 2,
ICSK_ACK_PUSHED = 4,
- ICSK_ACK_PUSHED2 = 8
+ ICSK_ACK_PUSHED2 = 8,
+ ICSK_ACK_NOW = 16 /* Send the next ACK immediately (once) */
};
void inet_csk_init_xmit_timers(struct sock *sk,
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index b86d14528188..1662cbc0b46b 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -57,7 +57,9 @@ struct frag_v6_compare_key {
* @lock: spinlock protecting this frag
* @refcnt: reference count of the queue
* @fragments: received fragments head
+ * @rb_fragments: received fragments rb-tree root
* @fragments_tail: received fragments tail
+ * @last_run_head: the head of the last "run". see ip_fragment.c
* @stamp: timestamp of the last received fragment
* @len: total length of the original datagram
* @meat: length of received fragments so far
@@ -78,6 +80,7 @@ struct inet_frag_queue {
struct sk_buff *fragments; /* Used in IPv6. */
struct rb_root rb_fragments; /* Used in IPv4. */
struct sk_buff *fragments_tail;
+ struct sk_buff *last_run_head;
ktime_t stamp;
int len;
int meat;
@@ -113,6 +116,9 @@ void inet_frag_kill(struct inet_frag_queue *q);
void inet_frag_destroy(struct inet_frag_queue *q);
struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, void *key);
+/* Free all skbs in the queue; return the sum of their truesizes. */
+unsigned int inet_frag_rbtree_purge(struct rb_root *root);
+
static inline void inet_frag_put(struct inet_frag_queue *q)
{
if (refcount_dec_and_test(&q->refcnt))
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 762ac9931b62..f0e396ab9bec 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -32,6 +32,7 @@ struct netns_sysctl_ipv6 {
int flowlabel_consistency;
int auto_flowlabels;
int icmpv6_time;
+ int icmpv6_echo_ignore_all;
int anycast_src_echo_reply;
int ip_nonlocal_bind;
int fwmark_reflect;
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index ab869e0d8326..28a7c8e44636 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -57,6 +57,7 @@
#include <linux/atomic.h> /* This gets us atomic counters. */
#include <linux/skbuff.h> /* We need sk_buff_head. */
#include <linux/workqueue.h> /* We need tq_struct. */
+#include <linux/flex_array.h> /* We need flex_array. */
#include <linux/sctp.h> /* We need sctp* header structs. */
#include <net/sctp/auth.h> /* We need auth specific structs */
#include <net/ip.h> /* For inet_skb_parm */
@@ -398,37 +399,35 @@ void sctp_stream_update(struct sctp_stream *stream, struct sctp_stream *new);
/* What is the current SSN number for this stream? */
#define sctp_ssn_peek(stream, type, sid) \
- ((stream)->type[sid].ssn)
+ (sctp_stream_##type((stream), (sid))->ssn)
/* Return the next SSN number for this stream. */
#define sctp_ssn_next(stream, type, sid) \
- ((stream)->type[sid].ssn++)
+ (sctp_stream_##type((stream), (sid))->ssn++)
/* Skip over this ssn and all below. */
#define sctp_ssn_skip(stream, type, sid, ssn) \
- ((stream)->type[sid].ssn = ssn + 1)
+ (sctp_stream_##type((stream), (sid))->ssn = ssn + 1)
/* What is the current MID number for this stream? */
#define sctp_mid_peek(stream, type, sid) \
- ((stream)->type[sid].mid)
+ (sctp_stream_##type((stream), (sid))->mid)
/* Return the next MID number for this stream. */
#define sctp_mid_next(stream, type, sid) \
- ((stream)->type[sid].mid++)
+ (sctp_stream_##type((stream), (sid))->mid++)
/* Skip over this mid and all below. */
#define sctp_mid_skip(stream, type, sid, mid) \
- ((stream)->type[sid].mid = mid + 1)
-
-#define sctp_stream_in(asoc, sid) (&(asoc)->stream.in[sid])
+ (sctp_stream_##type((stream), (sid))->mid = mid + 1)
/* What is the current MID_uo number for this stream? */
#define sctp_mid_uo_peek(stream, type, sid) \
- ((stream)->type[sid].mid_uo)
+ (sctp_stream_##type((stream), (sid))->mid_uo)
/* Return the next MID_uo number for this stream. */
#define sctp_mid_uo_next(stream, type, sid) \
- ((stream)->type[sid].mid_uo++)
+ (sctp_stream_##type((stream), (sid))->mid_uo++)
/*
* Pointers to address related SCTP functions.
@@ -1440,8 +1439,8 @@ struct sctp_stream_in {
};
struct sctp_stream {
- struct sctp_stream_out *out;
- struct sctp_stream_in *in;
+ struct flex_array *out;
+ struct flex_array *in;
__u16 outcnt;
__u16 incnt;
/* Current stream being sent, if any */
@@ -1463,6 +1462,23 @@ struct sctp_stream {
struct sctp_stream_interleave *si;
};
+static inline struct sctp_stream_out *sctp_stream_out(
+ const struct sctp_stream *stream,
+ __u16 sid)
+{
+ return flex_array_get(stream->out, sid);
+}
+
+static inline struct sctp_stream_in *sctp_stream_in(
+ const struct sctp_stream *stream,
+ __u16 sid)
+{
+ return flex_array_get(stream->in, sid);
+}
+
+#define SCTP_SO(s, i) sctp_stream_out((s), (i))
+#define SCTP_SI(s, i) sctp_stream_in((s), (i))
+
#define SCTP_STREAM_CLOSED 0x00
#define SCTP_STREAM_OPEN 0x01
diff --git a/include/net/sock_reuseport.h b/include/net/sock_reuseport.h
index 0054b3a9b923..8a5f70c7cdf2 100644
--- a/include/net/sock_reuseport.h
+++ b/include/net/sock_reuseport.h
@@ -5,25 +5,36 @@
#include <linux/filter.h>
#include <linux/skbuff.h>
#include <linux/types.h>
+#include <linux/spinlock.h>
#include <net/sock.h>
+extern spinlock_t reuseport_lock;
+
struct sock_reuseport {
struct rcu_head rcu;
u16 max_socks; /* length of socks */
u16 num_socks; /* elements in socks */
+ /* The last synq overflow event timestamp of this
+ * reuse->socks[] group.
+ */
+ unsigned int synq_overflow_ts;
+ /* ID stays the same even after the size of socks[] grows. */
+ unsigned int reuseport_id;
+ bool bind_inany;
struct bpf_prog __rcu *prog; /* optional BPF sock selector */
struct sock *socks[0]; /* array of sock pointers */
};
-extern int reuseport_alloc(struct sock *sk);
-extern int reuseport_add_sock(struct sock *sk, struct sock *sk2);
+extern int reuseport_alloc(struct sock *sk, bool bind_inany);
+extern int reuseport_add_sock(struct sock *sk, struct sock *sk2,
+ bool bind_inany);
extern void reuseport_detach_sock(struct sock *sk);
extern struct sock *reuseport_select_sock(struct sock *sk,
u32 hash,
struct sk_buff *skb,
int hdr_len);
-extern struct bpf_prog *reuseport_attach_prog(struct sock *sk,
- struct bpf_prog *prog);
+extern int reuseport_attach_prog(struct sock *sk, struct bpf_prog *prog);
+int reuseport_get_id(struct sock_reuseport *reuse);
#endif /* _SOCK_REUSEPORT_H */
diff --git a/include/net/tcp.h b/include/net/tcp.h
index d769dc20359b..d196901c9dba 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -36,6 +36,7 @@
#include <net/inet_hashtables.h>
#include <net/checksum.h>
#include <net/request_sock.h>
+#include <net/sock_reuseport.h>
#include <net/sock.h>
#include <net/snmp.h>
#include <net/ip.h>
@@ -473,9 +474,22 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb);
*/
static inline void tcp_synq_overflow(const struct sock *sk)
{
- unsigned int last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp;
+ unsigned int last_overflow;
unsigned int now = jiffies;
+ if (sk->sk_reuseport) {
+ struct sock_reuseport *reuse;
+
+ reuse = rcu_dereference(sk->sk_reuseport_cb);
+ if (likely(reuse)) {
+ last_overflow = READ_ONCE(reuse->synq_overflow_ts);
+ if (time_after32(now, last_overflow + HZ))
+ WRITE_ONCE(reuse->synq_overflow_ts, now);
+ return;
+ }
+ }
+
+ last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp;
if (time_after32(now, last_overflow + HZ))
tcp_sk(sk)->rx_opt.ts_recent_stamp = now;
}
@@ -483,9 +497,21 @@ static inline void tcp_synq_overflow(const struct sock *sk)
/* syncookies: no recent synqueue overflow on this listening socket? */
static inline bool tcp_synq_no_recent_overflow(const struct sock *sk)
{
- unsigned int last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp;
+ unsigned int last_overflow;
unsigned int now = jiffies;
+ if (sk->sk_reuseport) {
+ struct sock_reuseport *reuse;
+
+ reuse = rcu_dereference(sk->sk_reuseport_cb);
+ if (likely(reuse)) {
+ last_overflow = READ_ONCE(reuse->synq_overflow_ts);
+ return time_after32(now, last_overflow +
+ TCP_SYNCOOKIE_VALID);
+ }
+ }
+
+ last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp;
return time_after32(now, last_overflow + TCP_SYNCOOKIE_VALID);
}
diff --git a/include/net/tls.h b/include/net/tls.h
index d8b3b6578c01..d5c683e8bb22 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -124,10 +124,6 @@ struct tls_sw_context_rx {
struct sk_buff *recv_pkt;
u8 control;
bool decrypted;
-
- char rx_aad_ciphertext[TLS_AAD_SPACE_SIZE];
- char rx_aad_plaintext[TLS_AAD_SPACE_SIZE];
-
};
struct tls_record_info {
diff --git a/include/net/xdp.h b/include/net/xdp.h
index fcb033f51d8c..76b95256c266 100644
--- a/include/net/xdp.h
+++ b/include/net/xdp.h
@@ -84,6 +84,13 @@ struct xdp_frame {
struct net_device *dev_rx; /* used by cpumap */
};
+/* Clear kernel pointers in xdp_frame */
+static inline void xdp_scrub_frame(struct xdp_frame *frame)
+{
+ frame->data = NULL;
+ frame->dev_rx = NULL;
+}
+
/* Convert xdp_buff to xdp_frame */
static inline
struct xdp_frame *convert_to_xdp_frame(struct xdp_buff *xdp)
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