summaryrefslogtreecommitdiffstats
path: root/include/net
diff options
context:
space:
mode:
Diffstat (limited to 'include/net')
-rw-r--r--include/net/bluetooth/hci_core.h39
-rw-r--r--include/net/bluetooth/l2cap.h2
-rw-r--r--include/net/fib_rules.h12
-rw-r--r--include/net/inet_timewait_sock.h8
-rw-r--r--include/net/mac80211.h6
-rw-r--r--include/net/net_namespace.h10
-rw-r--r--include/net/netns/generic.h8
-rw-r--r--include/net/netns/xfrm.h1
-rw-r--r--include/net/request_sock.h8
-rw-r--r--include/net/route.h1
-rw-r--r--include/net/sctp/constants.h4
-rw-r--r--include/net/sctp/sm.h3
-rw-r--r--include/net/sctp/structs.h17
-rw-r--r--include/net/sctp/user.h134
-rw-r--r--include/net/tcp.h102
-rw-r--r--include/net/x25.h6
-rw-r--r--include/net/xfrm.h12
17 files changed, 213 insertions, 160 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 7b640ae..7b86094a 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -367,22 +367,6 @@ static inline void hci_conn_put(struct hci_conn *conn)
}
}
-/* ----- HCI tasks ----- */
-static inline void hci_sched_cmd(struct hci_dev *hdev)
-{
- tasklet_schedule(&hdev->cmd_task);
-}
-
-static inline void hci_sched_rx(struct hci_dev *hdev)
-{
- tasklet_schedule(&hdev->rx_task);
-}
-
-static inline void hci_sched_tx(struct hci_dev *hdev)
-{
- tasklet_schedule(&hdev->tx_task);
-}
-
/* ----- HCI Devices ----- */
static inline void __hci_dev_put(struct hci_dev *d)
{
@@ -437,28 +421,7 @@ int hci_inquiry(void __user *arg);
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
-/* Receive frame from HCI drivers */
-static inline int hci_recv_frame(struct sk_buff *skb)
-{
- struct hci_dev *hdev = (struct hci_dev *) skb->dev;
- if (!hdev || (!test_bit(HCI_UP, &hdev->flags)
- && !test_bit(HCI_INIT, &hdev->flags))) {
- kfree_skb(skb);
- return -ENXIO;
- }
-
- /* Incomming skb */
- bt_cb(skb)->incoming = 1;
-
- /* Time stamp */
- __net_timestamp(skb);
-
- /* Queue frame for rx task */
- skb_queue_tail(&hdev->rx_q, skb);
- hci_sched_rx(hdev);
- return 0;
-}
-
+int hci_recv_frame(struct sk_buff *skb);
int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
int hci_register_sysfs(struct hci_dev *hdev);
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 9516f4b..17a689f 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -324,7 +324,6 @@ struct l2cap_pinfo {
__u8 next_tx_seq;
__u8 expected_ack_seq;
- __u8 req_seq;
__u8 expected_tx_seq;
__u8 buffer_seq;
__u8 buffer_seq_srej;
@@ -375,6 +374,7 @@ struct l2cap_pinfo {
#define L2CAP_CONN_SEND_PBIT 0x10
#define L2CAP_CONN_REMOTE_BUSY 0x20
#define L2CAP_CONN_LOCAL_BUSY 0x40
+#define L2CAP_CONN_REJ_ACT 0x80
#define __mod_retrans_timer() mod_timer(&l2cap_pi(sk)->retrans_timer, \
jiffies + msecs_to_jiffies(L2CAP_DEFAULT_RETRANS_TO));
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 2cd707b..c07ac96 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -10,8 +10,8 @@
struct fib_rule {
struct list_head list;
atomic_t refcnt;
- int ifindex;
- char ifname[IFNAMSIZ];
+ int iifindex;
+ int oifindex;
u32 mark;
u32 mark_mask;
u32 pref;
@@ -20,6 +20,8 @@ struct fib_rule {
u8 action;
u32 target;
struct fib_rule * ctarget;
+ char iifname[IFNAMSIZ];
+ char oifname[IFNAMSIZ];
struct rcu_head rcu;
struct net * fr_net;
};
@@ -64,10 +66,12 @@ struct fib_rules_ops {
struct list_head rules_list;
struct module *owner;
struct net *fro_net;
+ struct rcu_head rcu;
};
#define FRA_GENERIC_POLICY \
- [FRA_IFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \
+ [FRA_IIFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \
+ [FRA_OIFNAME] = { .type = NLA_STRING, .len = IFNAMSIZ - 1 }, \
[FRA_PRIORITY] = { .type = NLA_U32 }, \
[FRA_FWMARK] = { .type = NLA_U32 }, \
[FRA_FWMASK] = { .type = NLA_U32 }, \
@@ -99,7 +103,7 @@ static inline u32 frh_get_table(struct fib_rule_hdr *frh, struct nlattr **nla)
return frh->table;
}
-extern int fib_rules_register(struct fib_rules_ops *);
+extern struct fib_rules_ops *fib_rules_register(struct fib_rules_ops *, struct net *);
extern void fib_rules_unregister(struct fib_rules_ops *);
extern void fib_rules_cleanup_ops(struct fib_rules_ops *);
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 773b10f..b801ade 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -199,6 +199,8 @@ static inline __be32 inet_rcv_saddr(const struct sock *sk)
extern void inet_twsk_put(struct inet_timewait_sock *tw);
+extern int inet_twsk_unhash(struct inet_timewait_sock *tw);
+
extern struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk,
const int state);
@@ -212,14 +214,14 @@ extern void inet_twsk_schedule(struct inet_timewait_sock *tw,
extern void inet_twsk_deschedule(struct inet_timewait_sock *tw,
struct inet_timewait_death_row *twdr);
-extern void inet_twsk_purge(struct net *net, struct inet_hashinfo *hashinfo,
+extern void inet_twsk_purge(struct inet_hashinfo *hashinfo,
struct inet_timewait_death_row *twdr, int family);
static inline
struct net *twsk_net(const struct inet_timewait_sock *twsk)
{
#ifdef CONFIG_NET_NS
- return twsk->tw_net;
+ return rcu_dereference(twsk->tw_net);
#else
return &init_net;
#endif
@@ -229,7 +231,7 @@ static inline
void twsk_net_set(struct inet_timewait_sock *twsk, struct net *net)
{
#ifdef CONFIG_NET_NS
- twsk->tw_net = net;
+ rcu_assign_pointer(twsk->tw_net, net);
#endif
}
#endif /* _INET_TIMEWAIT_SOCK_ */
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 1d75b96..2aff490 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1304,6 +1304,12 @@ enum ieee80211_filter_flags {
*
* These flags are used with the ampdu_action() callback in
* &struct ieee80211_ops to indicate which action is needed.
+ *
+ * Note that drivers MUST be able to deal with a TX aggregation
+ * session being stopped even before they OK'ed starting it by
+ * calling ieee80211_start_tx_ba_cb(_irqsafe), because the peer
+ * might receive the addBA frame and send a delBA right away!
+ *
* @IEEE80211_AMPDU_RX_START: start Rx aggregation
* @IEEE80211_AMPDU_RX_STOP: stop Rx aggregation
* @IEEE80211_AMPDU_TX_START: start Tx aggregation
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 0addd45..f307e13 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -42,7 +42,8 @@ struct net {
*/
#endif
struct list_head list; /* list of network namespaces */
- struct work_struct work; /* work struct for freeing */
+ struct list_head cleanup_list; /* namespaces on death row */
+ struct list_head exit_list; /* Use only net_mutex */
struct proc_dir_entry *proc_net;
struct proc_dir_entry *proc_net_stat;
@@ -236,6 +237,9 @@ struct pernet_operations {
struct list_head list;
int (*init)(struct net *net);
void (*exit)(struct net *net);
+ void (*exit_batch)(struct list_head *net_exit_list);
+ int *id;
+ size_t size;
};
/*
@@ -259,12 +263,8 @@ struct pernet_operations {
*/
extern int register_pernet_subsys(struct pernet_operations *);
extern void unregister_pernet_subsys(struct pernet_operations *);
-extern int register_pernet_gen_subsys(int *id, struct pernet_operations *);
-extern void unregister_pernet_gen_subsys(int id, struct pernet_operations *);
extern int register_pernet_device(struct pernet_operations *);
extern void unregister_pernet_device(struct pernet_operations *);
-extern int register_pernet_gen_device(int *id, struct pernet_operations *);
-extern void unregister_pernet_gen_device(int id, struct pernet_operations *);
struct ctl_path;
struct ctl_table;
diff --git a/include/net/netns/generic.h b/include/net/netns/generic.h
index 0c04fd2..ff4982a 100644
--- a/include/net/netns/generic.h
+++ b/include/net/netns/generic.h
@@ -12,9 +12,11 @@
* stuff on the struct net without explicit struct net modification
*
* The rules are simple:
- * 1. register the ops with register_pernet_gen_device to get the id
- * of your private pointer;
- * 2. call net_assign_generic() to put the private data on the struct
+ * 1. set pernet_operations->id. After register_pernet_device you
+ * will have the id of your private pointer.
+ * 2. Either set pernet_operations->size (to have the code allocate and
+ * free a private structure pointed to from struct net ) or
+ * call net_assign_generic() to put the private data on the struct
* net (most preferably this should be done in the ->init callback
* of the ops registered);
* 3. do not change this pointer while the net is alive;
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 1ba9127..56f8e55 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -43,6 +43,7 @@ struct netns_xfrm {
struct work_struct policy_hash_work;
struct sock *nlsk;
+ struct sock *nlsk_stash;
u32 sysctl_aevent_etime;
u32 sysctl_aevent_rseqth;
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index c719084..c9b50eb 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -27,13 +27,19 @@ struct sk_buff;
struct dst_entry;
struct proto;
+/* empty to "strongly type" an otherwise void parameter.
+ */
+struct request_values {
+};
+
struct request_sock_ops {
int family;
int obj_size;
struct kmem_cache *slab;
char *slab_name;
int (*rtx_syn_ack)(struct sock *sk,
- struct request_sock *req);
+ struct request_sock *req,
+ struct request_values *rvp);
void (*send_ack)(struct sock *sk, struct sk_buff *skb,
struct request_sock *req);
void (*send_reset)(struct sock *sk,
diff --git a/include/net/route.h b/include/net/route.h
index cfb4c07..bce6dd6 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -108,6 +108,7 @@ extern int ip_rt_init(void);
extern void ip_rt_redirect(__be32 old_gw, __be32 dst, __be32 new_gw,
__be32 src, struct net_device *dev);
extern void rt_cache_flush(struct net *net, int how);
+extern void rt_cache_flush_batch(void);
extern int __ip_route_output_key(struct net *, struct rtable **, const struct flowi *flp);
extern int ip_route_output_key(struct net *, struct rtable **, struct flowi *flp);
extern int ip_route_output_flow(struct net *, struct rtable **rp, struct flowi *flp, struct sock *sk, int flags);
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 58f714a..6390884 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -308,6 +308,10 @@ enum { SCTP_MAX_GABS = 16 };
#define SCTP_DEFAULT_MINWINDOW 1500 /* default minimum rwnd size */
#define SCTP_DEFAULT_MAXWINDOW 65535 /* default rwnd size */
+#define SCTP_DEFAULT_RWND_SHIFT 4 /* by default, update on 1/16 of
+ * rcvbuf, which is 1/8 of initial
+ * window
+ */
#define SCTP_DEFAULT_MAXSEGMENT 1500 /* MTU size, this is the limit
* to which we will raise the P-MTU.
*/
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index c1dd893..851c813 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -243,7 +243,8 @@ struct sctp_chunk *sctp_make_op_error(const struct sctp_association *,
const struct sctp_chunk *chunk,
__be16 cause_code,
const void *payload,
- size_t paylen);
+ size_t paylen,
+ size_t reserve_tail);
struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *,
union sctp_addr *,
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index cd2e187..7571e32 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -231,6 +231,11 @@ extern struct sctp_globals {
/* Flag to indicate whether computing and verifying checksum
* is disabled. */
int checksum_disable;
+
+ /* Threshold for rwnd update SACKS. Receive buffer shifted this many
+ * bits is an indicator of when to send and window update SACK.
+ */
+ int rwnd_update_shift;
} sctp_globals;
#define sctp_rto_initial (sctp_globals.rto_initial)
@@ -267,6 +272,7 @@ extern struct sctp_globals {
#define sctp_prsctp_enable (sctp_globals.prsctp_enable)
#define sctp_auth_enable (sctp_globals.auth_enable)
#define sctp_checksum_disable (sctp_globals.checksum_disable)
+#define sctp_rwnd_upd_shift (sctp_globals.rwnd_update_shift)
/* SCTP Socket type: UDP or TCP style. */
typedef enum {
@@ -893,7 +899,6 @@ struct sctp_transport {
*/
/* RTO : The current retransmission timeout value. */
unsigned long rto;
- unsigned long last_rto;
__u32 rtt; /* This is the most recent RTT. */
@@ -936,6 +941,8 @@ struct sctp_transport {
/* Data that has been sent, but not acknowledged. */
__u32 flight_size;
+ __u32 burst_limited; /* Holds old cwnd when max.burst is applied */
+
/* TSN marking the fast recovery exit point */
__u32 fast_recovery_exit;
@@ -944,12 +951,6 @@ struct sctp_transport {
/* Source address. */
union sctp_addr saddr;
- /* When was the last time(in jiffies) that a data packet was sent on
- * this transport? This is used to adjust the cwnd when the transport
- * becomes inactive.
- */
- unsigned long last_time_used;
-
/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
* the destination address every heartbeat interval.
*/
@@ -1070,6 +1071,8 @@ void sctp_transport_put(struct sctp_transport *);
void sctp_transport_update_rto(struct sctp_transport *, __u32);
void sctp_transport_raise_cwnd(struct sctp_transport *, __u32, __u32);
void sctp_transport_lower_cwnd(struct sctp_transport *, sctp_lower_cwnd_t);
+void sctp_transport_burst_limited(struct sctp_transport *);
+void sctp_transport_burst_reset(struct sctp_transport *);
unsigned long sctp_transport_timeout(struct sctp_transport *);
void sctp_transport_reset(struct sctp_transport *);
void sctp_transport_update_pmtu(struct sctp_transport *, u32);
diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index be2334a..2b2769c 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -60,96 +60,49 @@ typedef __s32 sctp_assoc_t;
/* The following symbols come from the Sockets API Extensions for
* SCTP <draft-ietf-tsvwg-sctpsocket-07.txt>.
*/
-enum sctp_optname {
- SCTP_RTOINFO,
-#define SCTP_RTOINFO SCTP_RTOINFO
- SCTP_ASSOCINFO,
-#define SCTP_ASSOCINFO SCTP_ASSOCINFO
- SCTP_INITMSG,
-#define SCTP_INITMSG SCTP_INITMSG
- SCTP_NODELAY, /* Get/set nodelay option. */
-#define SCTP_NODELAY SCTP_NODELAY
- SCTP_AUTOCLOSE,
-#define SCTP_AUTOCLOSE SCTP_AUTOCLOSE
- SCTP_SET_PEER_PRIMARY_ADDR,
-#define SCTP_SET_PEER_PRIMARY_ADDR SCTP_SET_PEER_PRIMARY_ADDR
- SCTP_PRIMARY_ADDR,
-#define SCTP_PRIMARY_ADDR SCTP_PRIMARY_ADDR
- SCTP_ADAPTATION_LAYER,
-#define SCTP_ADAPTATION_LAYER SCTP_ADAPTATION_LAYER
- SCTP_DISABLE_FRAGMENTS,
-#define SCTP_DISABLE_FRAGMENTS SCTP_DISABLE_FRAGMENTS
- SCTP_PEER_ADDR_PARAMS,
-#define SCTP_PEER_ADDR_PARAMS SCTP_PEER_ADDR_PARAMS
- SCTP_DEFAULT_SEND_PARAM,
-#define SCTP_DEFAULT_SEND_PARAM SCTP_DEFAULT_SEND_PARAM
- SCTP_EVENTS,
-#define SCTP_EVENTS SCTP_EVENTS
- SCTP_I_WANT_MAPPED_V4_ADDR, /* Turn on/off mapped v4 addresses */
-#define SCTP_I_WANT_MAPPED_V4_ADDR SCTP_I_WANT_MAPPED_V4_ADDR
- SCTP_MAXSEG, /* Get/set maximum fragment. */
-#define SCTP_MAXSEG SCTP_MAXSEG
- SCTP_STATUS,
-#define SCTP_STATUS SCTP_STATUS
- SCTP_GET_PEER_ADDR_INFO,
-#define SCTP_GET_PEER_ADDR_INFO SCTP_GET_PEER_ADDR_INFO
- SCTP_DELAYED_ACK,
-#define SCTP_DELAYED_ACK_TIME SCTP_DELAYED_ACK
-#define SCTP_DELAYED_ACK SCTP_DELAYED_ACK
- SCTP_CONTEXT, /* Receive Context */
-#define SCTP_CONTEXT SCTP_CONTEXT
- SCTP_FRAGMENT_INTERLEAVE,
-#define SCTP_FRAGMENT_INTERLEAVE SCTP_FRAGMENT_INTERLEAVE
- SCTP_PARTIAL_DELIVERY_POINT, /* Set/Get partial delivery point */
-#define SCTP_PARTIAL_DELIVERY_POINT SCTP_PARTIAL_DELIVERY_POINT
- SCTP_MAX_BURST, /* Set/Get max burst */
-#define SCTP_MAX_BURST SCTP_MAX_BURST
- SCTP_AUTH_CHUNK, /* Set only: add a chunk type to authenticat */
-#define SCTP_AUTH_CHUNK SCTP_AUTH_CHUNK
- SCTP_HMAC_IDENT,
-#define SCTP_HMAC_IDENT SCTP_HMAC_IDENT
- SCTP_AUTH_KEY,
-#define SCTP_AUTH_KEY SCTP_AUTH_KEY
- SCTP_AUTH_ACTIVE_KEY,
-#define SCTP_AUTH_ACTIVE_KEY SCTP_AUTH_ACTIVE_KEY
- SCTP_AUTH_DELETE_KEY,
-#define SCTP_AUTH_DELETE_KEY SCTP_AUTH_DELETE_KEY
- SCTP_PEER_AUTH_CHUNKS, /* Read only */
-#define SCTP_PEER_AUTH_CHUNKS SCTP_PEER_AUTH_CHUNKS
- SCTP_LOCAL_AUTH_CHUNKS, /* Read only */
-#define SCTP_LOCAL_AUTH_CHUNKS SCTP_LOCAL_AUTH_CHUNKS
- SCTP_GET_ASSOC_NUMBER, /* Read only */
-#define SCTP_GET_ASSOC_NUMBER SCTP_GET_ASSOC_NUMBER
-
-
- /* Internal Socket Options. Some of the sctp library functions are
- * implemented using these socket options.
- */
- SCTP_SOCKOPT_BINDX_ADD = 100,/* BINDX requests for adding addresses. */
-#define SCTP_SOCKOPT_BINDX_ADD SCTP_SOCKOPT_BINDX_ADD
- SCTP_SOCKOPT_BINDX_REM, /* BINDX requests for removing addresses. */
-#define SCTP_SOCKOPT_BINDX_REM SCTP_SOCKOPT_BINDX_REM
- SCTP_SOCKOPT_PEELOFF, /* peel off association. */
-#define SCTP_SOCKOPT_PEELOFF SCTP_SOCKOPT_PEELOFF
- SCTP_GET_PEER_ADDRS_NUM_OLD, /* Get number of peer addresss. */
-#define SCTP_GET_PEER_ADDRS_NUM_OLD SCTP_GET_PEER_ADDRS_NUM_OLD
- SCTP_GET_PEER_ADDRS_OLD, /* Get all peer addresss. */
-#define SCTP_GET_PEER_ADDRS_OLD SCTP_GET_PEER_ADDRS_OLD
- SCTP_GET_LOCAL_ADDRS_NUM_OLD, /* Get number of local addresss. */
-#define SCTP_GET_LOCAL_ADDRS_NUM_OLD SCTP_GET_LOCAL_ADDRS_NUM_OLD
- SCTP_GET_LOCAL_ADDRS_OLD, /* Get all local addresss. */
-#define SCTP_GET_LOCAL_ADDRS_OLD SCTP_GET_LOCAL_ADDRS_OLD
- SCTP_SOCKOPT_CONNECTX_OLD, /* CONNECTX old requests. */
-#define SCTP_SOCKOPT_CONNECTX_OLD SCTP_SOCKOPT_CONNECTX_OLD
- SCTP_GET_PEER_ADDRS, /* Get all peer addresss. */
-#define SCTP_GET_PEER_ADDRS SCTP_GET_PEER_ADDRS
- SCTP_GET_LOCAL_ADDRS, /* Get all local addresss. */
-#define SCTP_GET_LOCAL_ADDRS SCTP_GET_LOCAL_ADDRS
- SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. */
-#define SCTP_SOCKOPT_CONNECTX SCTP_SOCKOPT_CONNECTX
- SCTP_SOCKOPT_CONNECTX3, /* CONNECTX requests. (new implementation) */
-#define SCTP_SOCKOPT_CONNECTX3 SCTP_SOCKOPT_CONNECTX3
-};
+#define SCTP_RTOINFO 0
+#define SCTP_ASSOCINFO 1
+#define SCTP_INITMSG 2
+#define SCTP_NODELAY 3 /* Get/set nodelay option. */
+#define SCTP_AUTOCLOSE 4
+#define SCTP_SET_PEER_PRIMARY_ADDR 5
+#define SCTP_PRIMARY_ADDR 6
+#define SCTP_ADAPTATION_LAYER 7
+#define SCTP_DISABLE_FRAGMENTS 8
+#define SCTP_PEER_ADDR_PARAMS 9
+#define SCTP_DEFAULT_SEND_PARAM 10
+#define SCTP_EVENTS 11
+#define SCTP_I_WANT_MAPPED_V4_ADDR 12 /* Turn on/off mapped v4 addresses */
+#define SCTP_MAXSEG 13 /* Get/set maximum fragment. */
+#define SCTP_STATUS 14
+#define SCTP_GET_PEER_ADDR_INFO 15
+#define SCTP_DELAYED_ACK_TIME 16
+#define SCTP_DELAYED_ACK SCTP_DELAYED_ACK_TIME
+#define SCTP_CONTEXT 17
+#define SCTP_FRAGMENT_INTERLEAVE 18
+#define SCTP_PARTIAL_DELIVERY_POINT 19 /* Set/Get partial delivery point */
+#define SCTP_MAX_BURST 20 /* Set/Get max burst */
+#define SCTP_AUTH_CHUNK 21 /* Set only: add a chunk type to authenticate */
+#define SCTP_HMAC_IDENT 22
+#define SCTP_AUTH_KEY 23
+#define SCTP_AUTH_ACTIVE_KEY 24
+#define SCTP_AUTH_DELETE_KEY 25
+#define SCTP_PEER_AUTH_CHUNKS 26 /* Read only */
+#define SCTP_LOCAL_AUTH_CHUNKS 27 /* Read only */
+#define SCTP_GET_ASSOC_NUMBER 28 /* Read only */
+
+/* Internal Socket Options. Some of the sctp library functions are
+ * implemented using these socket options.
+ */
+#define SCTP_SOCKOPT_BINDX_ADD 100 /* BINDX requests for adding addrs */
+#define SCTP_SOCKOPT_BINDX_REM 101 /* BINDX requests for removing addrs. */
+#define SCTP_SOCKOPT_PEELOFF 102 /* peel off association. */
+/* Options 104-106 are deprecated and removed. Do not use this space */
+#define SCTP_SOCKOPT_CONNECTX_OLD 107 /* CONNECTX old requests. */
+#define SCTP_GET_PEER_ADDRS 108 /* Get all peer addresss. */
+#define SCTP_GET_LOCAL_ADDRS 109 /* Get all local addresss. */
+#define SCTP_SOCKOPT_CONNECTX 110 /* CONNECTX requests. */
+#define SCTP_SOCKOPT_CONNECTX3 111 /* CONNECTX requests (updated) */
/*
* 5.2.1 SCTP Initiation Structure (SCTP_INIT)
@@ -206,6 +159,7 @@ enum sctp_sinfo_flags {
SCTP_UNORDERED = 1, /* Send/receive message unordered. */
SCTP_ADDR_OVER = 2, /* Override the primary destination. */
SCTP_ABORT=4, /* Send an ABORT message to the peer. */
+ SCTP_SACK_IMMEDIATELY = 8, /* SACK should be sent without delay */
SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */
};
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 325bfcf..e2d2ca2 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -30,6 +30,7 @@
#include <linux/dmaengine.h>
#include <linux/crypto.h>
#include <linux/cryptohash.h>
+#include <linux/kref.h>
#include <net/inet_connection_sock.h>
#include <net/inet_timewait_sock.h>
@@ -164,6 +165,7 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
#define TCPOPT_SACK 5 /* SACK Block */
#define TCPOPT_TIMESTAMP 8 /* Better RTT estimations/PAWS */
#define TCPOPT_MD5SIG 19 /* MD5 Signature (RFC2385) */
+#define TCPOPT_COOKIE 253 /* Cookie extension (experimental) */
/*
* TCP option lengths
@@ -174,6 +176,10 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
#define TCPOLEN_SACK_PERM 2
#define TCPOLEN_TIMESTAMP 10
#define TCPOLEN_MD5SIG 18
+#define TCPOLEN_COOKIE_BASE 2 /* Cookie-less header extension */
+#define TCPOLEN_COOKIE_PAIR 3 /* Cookie pair header extension */
+#define TCPOLEN_COOKIE_MIN (TCPOLEN_COOKIE_BASE+TCP_COOKIE_MIN)
+#define TCPOLEN_COOKIE_MAX (TCPOLEN_COOKIE_BASE+TCP_COOKIE_MAX)
/* But this is what stacks really send out. */
#define TCPOLEN_TSTAMP_ALIGNED 12
@@ -234,6 +240,7 @@ extern int sysctl_tcp_base_mss;
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 atomic_t tcp_memory_allocated;
extern struct percpu_counter tcp_sockets_allocated;
@@ -340,11 +347,6 @@ static inline void tcp_dec_quickack_mode(struct sock *sk,
extern void tcp_enter_quickack_mode(struct sock *sk);
-static inline void tcp_clear_options(struct tcp_options_received *rx_opt)
-{
- rx_opt->tstamp_ok = rx_opt->sack_ok = rx_opt->wscale_ok = rx_opt->snd_wscale = 0;
-}
-
#define TCP_ECN_OK 1
#define TCP_ECN_QUEUE_CWR 2
#define TCP_ECN_DEMAND_CWR 4
@@ -405,6 +407,7 @@ extern int tcp_recvmsg(struct kiocb *iocb, struct sock *sk,
extern void tcp_parse_options(struct sk_buff *skb,
struct tcp_options_received *opt_rx,
+ u8 **hvpp,
int estab,
struct dst_entry *dst);
@@ -440,7 +443,8 @@ extern int tcp_connect(struct sock *sk);
extern struct sk_buff * tcp_make_synack(struct sock *sk,
struct dst_entry *dst,
- struct request_sock *req);
+ struct request_sock *req,
+ struct request_values *rvp);
extern int tcp_disconnect(struct sock *sk, int flags);
@@ -1225,6 +1229,7 @@ static inline void tcp_write_queue_purge(struct sock *sk)
while ((skb = __skb_dequeue(&sk->sk_write_queue)) != NULL)
sk_wmem_free_skb(sk, skb);
sk_mem_reclaim(sk);
+ tcp_clear_all_retrans_hints(tcp_sk(sk));
}
static inline struct sk_buff *tcp_write_queue_head(struct sock *sk)
@@ -1477,6 +1482,91 @@ struct tcp_request_sock_ops {
#endif
};
+/* Using SHA1 for now, define some constants.
+ */
+#define COOKIE_DIGEST_WORDS (SHA_DIGEST_WORDS)
+#define COOKIE_MESSAGE_WORDS (SHA_MESSAGE_BYTES / 4)
+#define COOKIE_WORKSPACE_WORDS (COOKIE_DIGEST_WORDS + COOKIE_MESSAGE_WORDS)
+
+extern int tcp_cookie_generator(u32 *bakery);
+
+/**
+ * struct tcp_cookie_values - each socket needs extra space for the
+ * cookies, together with (optional) space for any SYN data.
+ *
+ * A tcp_sock contains a pointer to the current value, and this is
+ * cloned to the tcp_timewait_sock.
+ *
+ * @cookie_pair: variable data from the option exchange.
+ *
+ * @cookie_desired: user specified tcpct_cookie_desired. Zero
+ * indicates default (sysctl_tcp_cookie_size).
+ * After cookie sent, remembers size of cookie.
+ * Range 0, TCP_COOKIE_MIN to TCP_COOKIE_MAX.
+ *
+ * @s_data_desired: user specified tcpct_s_data_desired. When the
+ * constant payload is specified (@s_data_constant),
+ * holds its length instead.
+ * Range 0 to TCP_MSS_DESIRED.
+ *
+ * @s_data_payload: constant data that is to be included in the
+ * payload of SYN or SYNACK segments when the
+ * cookie option is present.
+ */
+struct tcp_cookie_values {
+ struct kref kref;
+ u8 cookie_pair[TCP_COOKIE_PAIR_SIZE];
+ u8 cookie_pair_size;
+ u8 cookie_desired;
+ u16 s_data_desired:11,
+ s_data_constant:1,
+ s_data_in:1,
+ s_data_out:1,
+ s_data_unused:2;
+ u8 s_data_payload[0];
+};
+
+static inline void tcp_cookie_values_release(struct kref *kref)
+{
+ kfree(container_of(kref, struct tcp_cookie_values, kref));
+}
+
+/* The length of constant payload data. Note that s_data_desired is
+ * overloaded, depending on s_data_constant: either the length of constant
+ * data (returned here) or the limit on variable data.
+ */
+static inline int tcp_s_data_size(const struct tcp_sock *tp)
+{
+ return (tp->cookie_values != NULL && tp->cookie_values->s_data_constant)
+ ? tp->cookie_values->s_data_desired
+ : 0;
+}
+
+/**
+ * struct tcp_extend_values - tcp_ipv?.c to tcp_output.c workspace.
+ *
+ * As tcp_request_sock has already been extended in other places, the
+ * only remaining method is to pass stack values along as function
+ * parameters. These parameters are not needed after sending SYNACK.
+ *
+ * @cookie_bakery: cryptographic secret and message workspace.
+ *
+ * @cookie_plus: bytes in authenticator/cookie option, copied from
+ * struct tcp_options_received (above).
+ */
+struct tcp_extend_values {
+ struct request_values rv;
+ u32 cookie_bakery[COOKIE_WORKSPACE_WORDS];
+ u8 cookie_plus:6,
+ cookie_out_never:1,
+ cookie_in_always:1;
+};
+
+static inline struct tcp_extend_values *tcp_xv(struct request_values *rvp)
+{
+ return (struct tcp_extend_values *)rvp;
+}
+
extern void tcp_v4_init(void);
extern void tcp_init(void);
diff --git a/include/net/x25.h b/include/net/x25.h
index 2cda040..9baa07d 100644
--- a/include/net/x25.h
+++ b/include/net/x25.h
@@ -287,8 +287,14 @@ extern unsigned long x25_display_timer(struct sock *);
extern void x25_check_rbuf(struct sock *);
/* sysctl_net_x25.c */
+#ifdef CONFIG_SYSCTL
extern void x25_register_sysctl(void);
extern void x25_unregister_sysctl(void);
+#else
+static inline void x25_register_sysctl(void) {};
+static inline void x25_unregister_sysctl(void) {};
+#endif /* CONFIG_SYSCTL */
+
struct x25_skb_cb {
unsigned flags;
};
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 93d184b..6d85861 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -162,7 +162,7 @@ struct xfrm_state {
struct xfrm_lifetime_cfg lft;
/* Data for transformer */
- struct xfrm_algo *aalg;
+ struct xfrm_algo_auth *aalg;
struct xfrm_algo *ealg;
struct xfrm_algo *calg;
struct xfrm_algo_aead *aead;
@@ -1532,12 +1532,22 @@ static inline int xfrm_alg_len(struct xfrm_algo *alg)
return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
}
+static inline int xfrm_alg_auth_len(struct xfrm_algo_auth *alg)
+{
+ return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
+}
+
#ifdef CONFIG_XFRM_MIGRATE
static inline struct xfrm_algo *xfrm_algo_clone(struct xfrm_algo *orig)
{
return kmemdup(orig, xfrm_alg_len(orig), GFP_KERNEL);
}
+static inline struct xfrm_algo_auth *xfrm_algo_auth_clone(struct xfrm_algo_auth *orig)
+{
+ return kmemdup(orig, xfrm_alg_auth_len(orig), GFP_KERNEL);
+}
+
static inline void xfrm_states_put(struct xfrm_state **states, int n)
{
int i;
OpenPOWER on IntegriCloud