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-rw-r--r--include/linux/icmpv6.h3
-rw-r--r--include/linux/if_macvlan.h13
-rw-r--r--include/linux/rculist.h5
-rw-r--r--include/linux/seq_file.h15
-rw-r--r--include/linux/snmp.h1
-rw-r--r--include/linux/tcp.h7
-rw-r--r--include/linux/xfrm.h12
-rw-r--r--include/net/ip6_fib.h2
-rw-r--r--include/net/netlink.h2
-rw-r--r--include/net/netns/packet.h4
-rw-r--r--include/net/sock.h10
-rw-r--r--include/net/tcp.h13
-rw-r--r--include/net/xfrm.h50
13 files changed, 114 insertions, 23 deletions
diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h
index c0d8357917e..4c4c74ec598 100644
--- a/include/linux/icmpv6.h
+++ b/include/linux/icmpv6.h
@@ -174,8 +174,7 @@ struct icmp6_filter {
extern void icmpv6_send(struct sk_buff *skb,
u8 type, u8 code,
- __u32 info,
- struct net_device *dev);
+ __u32 info);
extern int icmpv6_init(void);
extern int icmpv6_err_convert(u8 type, u8 code,
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index f9cb9ba1475..b78a712247d 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -7,6 +7,19 @@
#include <linux/netlink.h>
#include <net/netlink.h>
+#if defined(CONFIG_MACVTAP) || defined(CONFIG_MACVTAP_MODULE)
+struct socket *macvtap_get_socket(struct file *);
+#else
+#include <linux/err.h>
+#include <linux/errno.h>
+struct file;
+struct socket;
+static inline struct socket *macvtap_get_socket(struct file *f)
+{
+ return ERR_PTR(-EINVAL);
+}
+#endif /* CONFIG_MACVTAP */
+
struct macvlan_port;
struct macvtap_queue;
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index 1bf0f708c4f..701fe9cb552 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -406,6 +406,11 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
n->next->pprev = &n->next;
}
+#define __hlist_for_each_rcu(pos, head) \
+ for (pos = rcu_dereference((head)->first); \
+ pos && ({ prefetch(pos->next); 1; }); \
+ pos = rcu_dereference(pos->next))
+
/**
* hlist_for_each_entry_rcu - iterate over rcu list of given type
* @tpos: the type * to use as a loop cursor.
diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h
index c95bcdc18f4..03c0232b416 100644
--- a/include/linux/seq_file.h
+++ b/include/linux/seq_file.h
@@ -140,10 +140,17 @@ extern struct list_head *seq_list_next(void *v, struct list_head *head,
*/
extern struct hlist_node *seq_hlist_start(struct hlist_head *head,
- loff_t pos);
+ loff_t pos);
extern struct hlist_node *seq_hlist_start_head(struct hlist_head *head,
- loff_t pos);
+ loff_t pos);
extern struct hlist_node *seq_hlist_next(void *v, struct hlist_head *head,
- loff_t *ppos);
-
+ loff_t *ppos);
+
+extern struct hlist_node *seq_hlist_start_rcu(struct hlist_head *head,
+ loff_t pos);
+extern struct hlist_node *seq_hlist_start_head_rcu(struct hlist_head *head,
+ loff_t pos);
+extern struct hlist_node *seq_hlist_next_rcu(void *v,
+ struct hlist_head *head,
+ loff_t *ppos);
#endif
diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index 0f953fe4041..e28f5a0182e 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -257,6 +257,7 @@ enum
LINUX_MIB_XFRMOUTPOLBLOCK, /* XfrmOutPolBlock */
LINUX_MIB_XFRMOUTPOLDEAD, /* XfrmOutPolDead */
LINUX_MIB_XFRMOUTPOLERROR, /* XfrmOutPolError */
+ LINUX_MIB_XFRMFWDHDRERROR, /* XfrmFwdHdrError*/
__LINUX_MIB_XFRMMAX
};
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 7fee8a4df93..a778ee02459 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -103,6 +103,8 @@ enum {
#define TCP_CONGESTION 13 /* Congestion control algorithm */
#define TCP_MD5SIG 14 /* TCP MD5 Signature (RFC2385) */
#define TCP_COOKIE_TRANSACTIONS 15 /* TCP Cookie Transactions */
+#define TCP_THIN_LINEAR_TIMEOUTS 16 /* Use linear timeouts for thin streams*/
+#define TCP_THIN_DUPACK 17 /* Fast retrans. after 1 dupack */
/* for TCP_INFO socket option */
#define TCPI_OPT_TIMESTAMPS 1
@@ -340,7 +342,10 @@ struct tcp_sock {
u32 frto_highmark; /* snd_nxt when RTO occurred */
u16 advmss; /* Advertised MSS */
u8 frto_counter; /* Number of new acks after RTO */
- u8 nonagle; /* Disable Nagle algorithm? */
+ u8 nonagle : 4,/* Disable Nagle algorithm? */
+ thin_lto : 1,/* Use linear timeouts for thin streams */
+ thin_dupack : 1,/* Fast retransmit on first dupack */
+ unused : 2;
/* RTT measurement */
u32 srtt; /* smoothed round trip time << 3 */
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 29e04beb1fc..b971e384849 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -267,8 +267,8 @@ enum xfrm_attr_type_t {
XFRMA_ALG_COMP, /* struct xfrm_algo */
XFRMA_ENCAP, /* struct xfrm_algo + struct xfrm_encap_tmpl */
XFRMA_TMPL, /* 1 or more struct xfrm_user_tmpl */
- XFRMA_SA,
- XFRMA_POLICY,
+ XFRMA_SA, /* struct xfrm_usersa_info */
+ XFRMA_POLICY, /*struct xfrm_userpolicy_info */
XFRMA_SEC_CTX, /* struct xfrm_sec_ctx */
XFRMA_LTIME_VAL,
XFRMA_REPLAY_VAL,
@@ -276,17 +276,23 @@ enum xfrm_attr_type_t {
XFRMA_ETIMER_THRESH,
XFRMA_SRCADDR, /* xfrm_address_t */
XFRMA_COADDR, /* xfrm_address_t */
- XFRMA_LASTUSED,
+ XFRMA_LASTUSED, /* unsigned long */
XFRMA_POLICY_TYPE, /* struct xfrm_userpolicy_type */
XFRMA_MIGRATE,
XFRMA_ALG_AEAD, /* struct xfrm_algo_aead */
XFRMA_KMADDRESS, /* struct xfrm_user_kmaddress */
XFRMA_ALG_AUTH_TRUNC, /* struct xfrm_algo_auth */
+ XFRMA_MARK, /* struct xfrm_mark */
__XFRMA_MAX
#define XFRMA_MAX (__XFRMA_MAX - 1)
};
+struct xfrm_mark {
+ __u32 v; /* value */
+ __u32 m; /* mask */
+};
+
enum xfrm_sadattr_type_t {
XFRMA_SAD_UNSPEC,
XFRMA_SAD_CNT,
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 8f279ddb359..86f46c49e31 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -124,7 +124,7 @@ static inline struct inet6_dev *ip6_dst_idev(struct dst_entry *dst)
}
struct fib6_walker_t {
- struct fib6_walker_t *prev, *next;
+ struct list_head lh;
struct fib6_node *root, *node;
struct rt6_info *leaf;
unsigned char state;
diff --git a/include/net/netlink.h b/include/net/netlink.h
index a63b2192ac1..f82e463c875 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -196,7 +196,7 @@ enum {
* All other Exact length of attribute payload
*
* Example:
- * static struct nla_policy my_policy[ATTR_MAX+1] __read_mostly = {
+ * static const struct nla_policy my_policy[ATTR_MAX+1] = {
* [ATTR_FOO] = { .type = NLA_U16 },
* [ATTR_BAR] = { .type = NLA_STRING, .len = BARSIZ },
* [ATTR_BAZ] = { .len = sizeof(struct mystruct) },
diff --git a/include/net/netns/packet.h b/include/net/netns/packet.h
index 637daf69888..cb4e894c0f8 100644
--- a/include/net/netns/packet.h
+++ b/include/net/netns/packet.h
@@ -4,11 +4,11 @@
#ifndef __NETNS_PACKET_H__
#define __NETNS_PACKET_H__
-#include <linux/list.h>
+#include <linux/rculist.h>
#include <linux/spinlock.h>
struct netns_packet {
- rwlock_t sklist_lock;
+ spinlock_t sklist_lock;
struct hlist_head sklist;
};
diff --git a/include/net/sock.h b/include/net/sock.h
index 580d51fa28e..6cb1676e409 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -381,6 +381,7 @@ static __inline__ void __sk_del_node(struct sock *sk)
__hlist_del(&sk->sk_node);
}
+/* NB: equivalent to hlist_del_init_rcu */
static __inline__ int __sk_del_node_init(struct sock *sk)
{
if (sk_hashed(sk)) {
@@ -421,6 +422,7 @@ static __inline__ int sk_del_node_init(struct sock *sk)
}
return rc;
}
+#define sk_del_node_init_rcu(sk) sk_del_node_init(sk)
static __inline__ int __sk_nulls_del_node_init_rcu(struct sock *sk)
{
@@ -454,6 +456,12 @@ static __inline__ void sk_add_node(struct sock *sk, struct hlist_head *list)
__sk_add_node(sk, list);
}
+static __inline__ void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
+{
+ sock_hold(sk);
+ hlist_add_head_rcu(&sk->sk_node, list);
+}
+
static __inline__ void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
{
hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list);
@@ -478,6 +486,8 @@ static __inline__ void sk_add_bind_node(struct sock *sk,
#define sk_for_each(__sk, node, list) \
hlist_for_each_entry(__sk, node, list, sk_node)
+#define sk_for_each_rcu(__sk, node, list) \
+ hlist_for_each_entry_rcu(__sk, node, list, sk_node)
#define sk_nulls_for_each(__sk, node, list) \
hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
#define sk_nulls_for_each_rcu(__sk, node, list) \
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 75a00c80bdd..56f0aec40ed 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -196,6 +196,9 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
#define TCP_NAGLE_CORK 2 /* Socket is corked */
#define TCP_NAGLE_PUSH 4 /* Cork is overridden for already queued data */
+/* TCP thin-stream limits */
+#define TCP_THIN_LINEAR_RETRIES 6 /* After 6 linear retries, do exp. backoff */
+
extern struct inet_timewait_death_row tcp_death_row;
/* sysctl variables for tcp */
@@ -241,6 +244,8 @@ extern int sysctl_tcp_workaround_signed_windows;
extern int sysctl_tcp_slow_start_after_idle;
extern int sysctl_tcp_max_ssthresh;
extern int sysctl_tcp_cookie_size;
+extern int sysctl_tcp_thin_linear_timeouts;
+extern int sysctl_tcp_thin_dupack;
extern atomic_t tcp_memory_allocated;
extern struct percpu_counter tcp_sockets_allocated;
@@ -1386,6 +1391,14 @@ static inline void tcp_highest_sack_combine(struct sock *sk,
tcp_sk(sk)->highest_sack = new;
}
+/* Determines whether this is a thin stream (which may suffer from
+ * increased latency). Used to trigger latency-reducing mechanisms.
+ */
+static inline unsigned int tcp_stream_is_thin(struct tcp_sock *tp)
+{
+ return tp->packets_out < 4 && !tcp_in_initial_slowstart(tp);
+}
+
/* /proc */
enum tcp_seq_states {
TCP_SEQ_STATE_LISTENING,
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 0beb413c01c..a7df3275b86 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -140,6 +140,7 @@ struct xfrm_state {
struct xfrm_id id;
struct xfrm_selector sel;
+ struct xfrm_mark mark;
u32 genid;
@@ -481,6 +482,7 @@ struct xfrm_policy {
u32 priority;
u32 index;
+ struct xfrm_mark mark;
struct xfrm_selector selector;
struct xfrm_lifetime_cfg lft;
struct xfrm_lifetime_cur curlft;
@@ -1317,7 +1319,7 @@ extern struct xfrm_state *xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t
struct flowi *fl, struct xfrm_tmpl *tmpl,
struct xfrm_policy *pol, int *err,
unsigned short family);
-extern struct xfrm_state * xfrm_stateonly_find(struct net *net,
+extern struct xfrm_state *xfrm_stateonly_find(struct net *net, u32 mark,
xfrm_address_t *daddr,
xfrm_address_t *saddr,
unsigned short family,
@@ -1326,8 +1328,14 @@ extern int xfrm_state_check_expire(struct xfrm_state *x);
extern void xfrm_state_insert(struct xfrm_state *x);
extern int xfrm_state_add(struct xfrm_state *x);
extern int xfrm_state_update(struct xfrm_state *x);
-extern struct xfrm_state *xfrm_state_lookup(struct net *net, xfrm_address_t *daddr, __be32 spi, u8 proto, unsigned short family);
-extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto, unsigned short family);
+extern struct xfrm_state *xfrm_state_lookup(struct net *net, u32 mark,
+ xfrm_address_t *daddr, __be32 spi,
+ u8 proto, unsigned short family);
+extern struct xfrm_state *xfrm_state_lookup_byaddr(struct net *net, u32 mark,
+ xfrm_address_t *daddr,
+ xfrm_address_t *saddr,
+ u8 proto,
+ unsigned short family);
#ifdef CONFIG_XFRM_SUB_POLICY
extern int xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src,
int n, unsigned short family);
@@ -1364,7 +1372,8 @@ struct xfrmk_spdinfo {
u32 spdhmcnt;
};
-extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 seq);
+extern struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark,
+ u32 seq);
extern int xfrm_state_delete(struct xfrm_state *x);
extern int xfrm_state_flush(struct net *net, u8 proto, struct xfrm_audit *audit_info);
extern void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si);
@@ -1441,17 +1450,20 @@ extern int xfrm_policy_walk(struct net *net, struct xfrm_policy_walk *walk,
int (*func)(struct xfrm_policy *, int, int, void*), void *);
extern void xfrm_policy_walk_done(struct xfrm_policy_walk *walk);
int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl);
-struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u8 type, int dir,
+struct xfrm_policy *xfrm_policy_bysel_ctx(struct net *net, u32 mark,
+ u8 type, int dir,
struct xfrm_selector *sel,
struct xfrm_sec_ctx *ctx, int delete,
int *err);
-struct xfrm_policy *xfrm_policy_byid(struct net *net, u8, int dir, u32 id, int delete, int *err);
+struct xfrm_policy *xfrm_policy_byid(struct net *net, u32 mark, u8, int dir, u32 id, int delete, int *err);
int xfrm_policy_flush(struct net *net, u8 type, struct xfrm_audit *audit_info);
u32 xfrm_get_acqseq(void);
extern int xfrm_alloc_spi(struct xfrm_state *x, u32 minspi, u32 maxspi);
-struct xfrm_state * xfrm_find_acq(struct net *net, u8 mode, u32 reqid, u8 proto,
- xfrm_address_t *daddr, xfrm_address_t *saddr,
- int create, unsigned short family);
+struct xfrm_state *xfrm_find_acq(struct net *net, struct xfrm_mark *mark,
+ u8 mode, u32 reqid, u8 proto,
+ xfrm_address_t *daddr,
+ xfrm_address_t *saddr, int create,
+ unsigned short family);
extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
extern int xfrm_bundle_ok(struct xfrm_policy *pol, struct xfrm_dst *xdst,
struct flowi *fl, int family, int strict);
@@ -1570,4 +1582,24 @@ static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb)
}
#endif
+static inline int xfrm_mark_get(struct nlattr **attrs, struct xfrm_mark *m)
+{
+ if (attrs[XFRMA_MARK])
+ memcpy(m, nla_data(attrs[XFRMA_MARK]), sizeof(m));
+ else
+ m->v = m->m = 0;
+
+ return m->v & m->m;
+}
+
+static inline int xfrm_mark_put(struct sk_buff *skb, struct xfrm_mark *m)
+{
+ if (m->m | m->v)
+ NLA_PUT(skb, XFRMA_MARK, sizeof(struct xfrm_mark), m);
+ return 0;
+
+nla_put_failure:
+ return -1;
+}
+
#endif /* _NET_XFRM_H */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-16 03:46:42 +0000