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-rw-r--r--include/net/dn.h4
-rw-r--r--include/net/ieee80211.h2
-rw-r--r--include/net/if_inet6.h2
-rw-r--r--include/net/ipv6.h2
-rw-r--r--include/net/llc_pdu.h2
-rw-r--r--include/net/route.h3
-rw-r--r--include/net/sctp/command.h7
-rw-r--r--include/net/sctp/structs.h19
-rw-r--r--include/net/sock.h6
-rw-r--r--include/net/tcp.h76
-rw-r--r--include/net/xfrm.h1
11 files changed, 108 insertions, 16 deletions
diff --git a/include/net/dn.h b/include/net/dn.h
index c1dbbd22279..a4b6168e1e2 100644
--- a/include/net/dn.h
+++ b/include/net/dn.h
@@ -234,4 +234,8 @@ extern int decnet_di_count;
extern int decnet_dr_count;
extern int decnet_no_fc_max_cwnd;
+extern int sysctl_decnet_mem[3];
+extern int sysctl_decnet_wmem[3];
+extern int sysctl_decnet_rmem[3];
+
#endif /* _NET_DN_H */
diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index b93fd8c1d88..cde2f4f4f50 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -1042,7 +1042,7 @@ static inline u8 *ieee80211_get_payload(struct ieee80211_hdr *hdr)
case IEEE80211_4ADDR_LEN:
return ((struct ieee80211_hdr_4addr *)hdr)->payload;
}
-
+ return NULL;
}
static inline int ieee80211_is_ofdm_rate(u8 rate)
diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h
index e97a9accb71..eb8afe3499a 100644
--- a/include/net/if_inet6.h
+++ b/include/net/if_inet6.h
@@ -24,6 +24,7 @@
#define IF_RA_MANAGED 0x40
#define IF_RA_RCVD 0x20
#define IF_RS_SENT 0x10
+#define IF_READY 0x80000000
/* prefix flags */
#define IF_PREFIX_ONLINK 0x01
@@ -82,6 +83,7 @@ struct ipv6_mc_socklist
struct in6_addr addr;
int ifindex;
struct ipv6_mc_socklist *next;
+ rwlock_t sflock;
unsigned int sfmode; /* MCAST_{INCLUDE,EXCLUDE} */
struct ip6_sf_socklist *sflist;
};
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 6addb4d464d..0a2ad51cff8 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -237,6 +237,8 @@ extern struct ipv6_txoptions * ipv6_renew_options(struct sock *sk, struct ipv6_t
int newtype,
struct ipv6_opt_hdr __user *newopt,
int newoptlen);
+struct ipv6_txoptions *ipv6_fixup_options(struct ipv6_txoptions *opt_space,
+ struct ipv6_txoptions *opt);
extern int ip6_frag_nqueues;
extern atomic_t ip6_frag_mem;
diff --git a/include/net/llc_pdu.h b/include/net/llc_pdu.h
index c7a959428b4..8f6306581fa 100644
--- a/include/net/llc_pdu.h
+++ b/include/net/llc_pdu.h
@@ -357,7 +357,7 @@ static inline void llc_pdu_init_as_test_rsp(struct sk_buff *skb,
/* LLC Type 1 XID command/response information fields format */
struct llc_xid_info {
- u8 fmt_id; /* always 0x18 for LLC */
+ u8 fmt_id; /* always 0x81 for LLC */
u8 type; /* different if NULL/non-NULL LSAP */
u8 rw; /* sender receive window */
};
diff --git a/include/net/route.h b/include/net/route.h
index dbe79ca67d3..e3e5436f801 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -126,6 +126,9 @@ extern int ip_rt_ioctl(unsigned int cmd, void __user *arg);
extern void ip_rt_get_source(u8 *src, struct rtable *rt);
extern int ip_rt_dump(struct sk_buff *skb, struct netlink_callback *cb);
+struct in_ifaddr;
+extern void fib_add_ifaddr(struct in_ifaddr *);
+
static inline void ip_rt_put(struct rtable * rt)
{
if (rt)
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index dc107ffad48..34a1a09e5ae 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -120,6 +120,7 @@ typedef union {
int error;
sctp_state_t state;
sctp_event_timeout_t to;
+ unsigned long zero;
void *ptr;
struct sctp_chunk *chunk;
struct sctp_association *asoc;
@@ -148,17 +149,17 @@ static inline sctp_arg_t SCTP_NULL(void)
}
static inline sctp_arg_t SCTP_NOFORCE(void)
{
- sctp_arg_t retval; retval.i32 = 0; return retval;
+ sctp_arg_t retval = {.zero = 0UL}; retval.i32 = 0; return retval;
}
static inline sctp_arg_t SCTP_FORCE(void)
{
- sctp_arg_t retval; retval.i32 = 1; return retval;
+ sctp_arg_t retval = {.zero = 0UL}; retval.i32 = 1; return retval;
}
#define SCTP_ARG_CONSTRUCTOR(name, type, elt) \
static inline sctp_arg_t \
SCTP_## name (type arg) \
-{ sctp_arg_t retval; retval.elt = arg; return retval; }
+{ sctp_arg_t retval = {.zero = 0UL}; retval.elt = arg; return retval; }
SCTP_ARG_CONSTRUCTOR(I32, __s32, i32)
SCTP_ARG_CONSTRUCTOR(U32, __u32, u32)
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 9c385b6417c..8e7794ee27f 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -161,6 +161,13 @@ extern struct sctp_globals {
*/
int sndbuf_policy;
+ /*
+ * Policy for preforming sctp/socket accounting
+ * 0 - do socket level accounting, all assocs share sk_rcvbuf
+ * 1 - do sctp accounting, each asoc may use sk_rcvbuf bytes
+ */
+ int rcvbuf_policy;
+
/* Delayed SACK timeout 200ms default*/
int sack_timeout;
@@ -218,6 +225,7 @@ extern struct sctp_globals {
#define sctp_cookie_preserve_enable (sctp_globals.cookie_preserve_enable)
#define sctp_max_retrans_association (sctp_globals.max_retrans_association)
#define sctp_sndbuf_policy (sctp_globals.sndbuf_policy)
+#define sctp_rcvbuf_policy (sctp_globals.rcvbuf_policy)
#define sctp_max_retrans_path (sctp_globals.max_retrans_path)
#define sctp_max_retrans_init (sctp_globals.max_retrans_init)
#define sctp_sack_timeout (sctp_globals.sack_timeout)
@@ -1222,11 +1230,11 @@ struct sctp_endpoint {
int last_key;
int key_changed_at;
- /* Default timeouts. */
- int timeouts[SCTP_NUM_TIMEOUT_TYPES];
-
/* sendbuf acct. policy. */
__u32 sndbuf_policy;
+
+ /* rcvbuf acct. policy. */
+ __u32 rcvbuf_policy;
};
/* Recover the outter endpoint structure. */
@@ -1553,6 +1561,11 @@ struct sctp_association {
*/
int sndbuf_used;
+ /* This is the amount of memory that this association has allocated
+ * in the receive path at any given time.
+ */
+ atomic_t rmem_alloc;
+
/* This is the wait queue head for send requests waiting on
* the association sndbuf space.
*/
diff --git a/include/net/sock.h b/include/net/sock.h
index ff13c4cc287..982b4ecd187 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1247,6 +1247,12 @@ static inline struct page *sk_stream_alloc_page(struct sock *sk)
(skb != (struct sk_buff *)&(sk)->sk_write_queue); \
skb = skb->next)
+/*from STCP for fast SACK Process*/
+#define sk_stream_for_retrans_queue_from(skb, sk) \
+ for (; (skb != (sk)->sk_send_head) && \
+ (skb != (struct sk_buff *)&(sk)->sk_write_queue); \
+ skb = skb->next)
+
/*
* Default write policy as shown to user space via poll/select/SIGIO
*/
diff --git a/include/net/tcp.h b/include/net/tcp.h
index c24339c4e31..d78025f9fbe 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -27,6 +27,7 @@
#include <linux/slab.h>
#include <linux/cache.h>
#include <linux/percpu.h>
+#include <linux/skbuff.h>
#include <net/inet_connection_sock.h>
#include <net/inet_timewait_sock.h>
@@ -88,10 +89,10 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
*/
#define TCP_SYN_RETRIES 5 /* number of times to retry active opening a
- * connection: ~180sec is RFC minumum */
+ * connection: ~180sec is RFC minimum */
#define TCP_SYNACK_RETRIES 5 /* number of times to retry passive opening a
- * connection: ~180sec is RFC minumum */
+ * connection: ~180sec is RFC minimum */
#define TCP_ORPHAN_RETRIES 7 /* number of times to retry on an orphaned
@@ -179,7 +180,7 @@ extern void tcp_time_wait(struct sock *sk, int state, int timeo);
/* Flags in tp->nonagle */
#define TCP_NAGLE_OFF 1 /* Nagle's algo is disabled */
#define TCP_NAGLE_CORK 2 /* Socket is corked */
-#define TCP_NAGLE_PUSH 4 /* Cork is overriden for already queued data */
+#define TCP_NAGLE_PUSH 4 /* Cork is overridden for already queued data */
extern struct inet_timewait_death_row tcp_death_row;
@@ -217,6 +218,7 @@ extern int sysctl_tcp_low_latency;
extern int sysctl_tcp_nometrics_save;
extern int sysctl_tcp_moderate_rcvbuf;
extern int sysctl_tcp_tso_win_divisor;
+extern int sysctl_tcp_abc;
extern atomic_t tcp_memory_allocated;
extern atomic_t tcp_sockets_allocated;
@@ -550,13 +552,13 @@ extern u32 __tcp_select_window(struct sock *sk);
/* TCP timestamps are only 32-bits, this causes a slight
* complication on 64-bit systems since we store a snapshot
- * of jiffies in the buffer control blocks below. We decidely
- * only use of the low 32-bits of jiffies and hide the ugly
+ * of jiffies in the buffer control blocks below. We decided
+ * to use only the low 32-bits of jiffies and hide the ugly
* casts with the following macro.
*/
#define tcp_time_stamp ((__u32)(jiffies))
-/* This is what the send packet queueing engine uses to pass
+/* This is what the send packet queuing engine uses to pass
* TCP per-packet control information to the transmission
* code. We also store the host-order sequence numbers in
* here too. This is 36 bytes on 32-bit architectures,
@@ -596,7 +598,7 @@ struct tcp_skb_cb {
#define TCPCB_EVER_RETRANS 0x80 /* Ever retransmitted frame */
#define TCPCB_RETRANS (TCPCB_SACKED_RETRANS|TCPCB_EVER_RETRANS)
-#define TCPCB_URG 0x20 /* Urgent pointer advenced here */
+#define TCPCB_URG 0x20 /* Urgent pointer advanced here */
#define TCPCB_AT_TAIL (TCPCB_URG)
@@ -764,6 +766,33 @@ static inline __u32 tcp_current_ssthresh(const struct sock *sk)
(tp->snd_cwnd >> 2)));
}
+/*
+ * Linear increase during slow start
+ */
+static inline void tcp_slow_start(struct tcp_sock *tp)
+{
+ if (sysctl_tcp_abc) {
+ /* RFC3465: Slow Start
+ * TCP sender SHOULD increase cwnd by the number of
+ * previously unacknowledged bytes ACKed by each incoming
+ * acknowledgment, provided the increase is not more than L
+ */
+ if (tp->bytes_acked < tp->mss_cache)
+ return;
+
+ /* We MAY increase by 2 if discovered delayed ack */
+ if (sysctl_tcp_abc > 1 && tp->bytes_acked > 2*tp->mss_cache) {
+ if (tp->snd_cwnd < tp->snd_cwnd_clamp)
+ tp->snd_cwnd++;
+ }
+ }
+ tp->bytes_acked = 0;
+
+ if (tp->snd_cwnd < tp->snd_cwnd_clamp)
+ tp->snd_cwnd++;
+}
+
+
static inline void tcp_sync_left_out(struct tcp_sock *tp)
{
if (tp->rx_opt.sack_ok &&
@@ -793,6 +822,7 @@ static inline void tcp_enter_cwr(struct sock *sk)
struct tcp_sock *tp = tcp_sk(sk);
tp->prior_ssthresh = 0;
+ tp->bytes_acked = 0;
if (inet_csk(sk)->icsk_ca_state < TCP_CA_CWR) {
__tcp_enter_cwr(sk);
tcp_set_ca_state(sk, TCP_CA_CWR);
@@ -809,6 +839,27 @@ static __inline__ __u32 tcp_max_burst(const struct tcp_sock *tp)
return 3;
}
+/* RFC2861 Check whether we are limited by application or congestion window
+ * This is the inverse of cwnd check in tcp_tso_should_defer
+ */
+static inline int tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight)
+{
+ const struct tcp_sock *tp = tcp_sk(sk);
+ u32 left;
+
+ if (in_flight >= tp->snd_cwnd)
+ return 1;
+
+ if (!(sk->sk_route_caps & NETIF_F_TSO))
+ return 0;
+
+ left = tp->snd_cwnd - in_flight;
+ if (sysctl_tcp_tso_win_divisor)
+ return left * sysctl_tcp_tso_win_divisor < tp->snd_cwnd;
+ else
+ return left <= tcp_max_burst(tp);
+}
+
static __inline__ void tcp_minshall_update(struct tcp_sock *tp, int mss,
const struct sk_buff *skb)
{
@@ -852,7 +903,7 @@ static __inline__ u16 tcp_v4_check(struct tcphdr *th, int len,
static __inline__ int __tcp_checksum_complete(struct sk_buff *skb)
{
- return (unsigned short)csum_fold(skb_checksum(skb, 0, skb->len, skb->csum));
+ return __skb_checksum_complete(skb);
}
static __inline__ int tcp_checksum_complete(struct sk_buff *skb)
@@ -1156,6 +1207,15 @@ static inline void tcp_mib_init(void)
TCP_ADD_STATS_USER(TCP_MIB_MAXCONN, -1);
}
+/*from STCP */
+static inline void clear_all_retrans_hints(struct tcp_sock *tp){
+ tp->lost_skb_hint = NULL;
+ tp->scoreboard_skb_hint = NULL;
+ tp->retransmit_skb_hint = NULL;
+ tp->forward_skb_hint = NULL;
+ tp->fastpath_skb_hint = NULL;
+}
+
/* /proc */
enum tcp_seq_states {
TCP_SEQ_STATE_LISTENING,
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 5beae1ccd57..1cdb8791213 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -890,6 +890,7 @@ struct xfrm_state * xfrm_find_acq(u8 mode, u32 reqid, u8 proto,
extern void xfrm_policy_flush(void);
extern int xfrm_sk_policy_insert(struct sock *sk, int dir, struct xfrm_policy *pol);
extern int xfrm_flush_bundles(void);
+extern void xfrm_flush_all_bundles(void);
extern int xfrm_bundle_ok(struct xfrm_dst *xdst, struct flowi *fl, int family);
extern void xfrm_init_pmtu(struct dst_entry *dst);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-09-22 14:28:11 +0000