Merge ../linux-2.6/

9 files changed, 65 insertions, 222 deletions

diff --git a/include/net/ieee80211.h b/include/net/ieee80211.h
index 7fe57f957a51..db09580ad14b 100644
--- a/include/net/ieee80211.h
+++ b/include/net/ieee80211.h
@@ -94,6 +94,8 @@ struct eapol {
         u16 length;
 } __attribute__ ((packed));
 
+#define IEEE80211_1ADDR_LEN 10
+#define IEEE80211_2ADDR_LEN 16
 #define IEEE80211_3ADDR_LEN 24
 #define IEEE80211_4ADDR_LEN 30
 #define IEEE80211_FCS_LEN    4
@@ -300,23 +302,6 @@ struct ieee80211_snap_hdr {
 #define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
 
 
-/* Information Element IDs */
-#define WLAN_EID_SSID 0
-#define WLAN_EID_SUPP_RATES 1
-#define WLAN_EID_FH_PARAMS 2
-#define WLAN_EID_DS_PARAMS 3
-#define WLAN_EID_CF_PARAMS 4
-#define WLAN_EID_TIM 5
-#define WLAN_EID_IBSS_PARAMS 6
-#define WLAN_EID_CHALLENGE 16
-#define WLAN_EID_RSN 48
-#define WLAN_EID_GENERIC 221
-
-#define IEEE80211_MGMT_HDR_LEN 24
-#define IEEE80211_DATA_HDR3_LEN 24
-#define IEEE80211_DATA_HDR4_LEN 30
-
-
 #define IEEE80211_STATMASK_SIGNAL (1<<0)
 #define IEEE80211_STATMASK_RSSI (1<<1)
 #define IEEE80211_STATMASK_NOISE (1<<2)
@@ -441,6 +426,10 @@ struct ieee80211_stats {
 
 struct ieee80211_device;
 
+#if 0 /* for later */
+#include "ieee80211_crypt.h"
+#endif
+
 #define SEC_KEY_1         (1<<0)
 #define SEC_KEY_2         (1<<1)
 #define SEC_KEY_3         (1<<2)
@@ -488,15 +477,6 @@ Total: 28-2340 bytes
 
 */
 
-struct ieee80211_header_data {
-        u16 frame_ctl;
-        u16 duration_id;
-        u8 addr1[6];
-        u8 addr2[6];
-        u8 addr3[6];
-        u16 seq_ctrl;
-};
-
 #define BEACON_PROBE_SSID_ID_POSITION 12
 
 /* Management Frame Information Element Types */
@@ -541,7 +521,7 @@ struct ieee80211_info_element {
 */
 
 struct ieee80211_authentication {
-        struct ieee80211_header_data header;
+        struct ieee80211_hdr_3addr header;
         u16 algorithm;
         u16 transaction;
         u16 status;
@@ -550,7 +530,7 @@ struct ieee80211_authentication {
 
 
 struct ieee80211_probe_response {
-        struct ieee80211_header_data header;
+        struct ieee80211_hdr_3addr header;
         u32 time_stamp[2];
         u16 beacon_interval;
         u16 capability;
@@ -648,12 +628,6 @@ enum ieee80211_state {
 #define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
 
 
-extern inline int is_broadcast_ether_addr(const u8 *addr)
-{
-        return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&   \
-                (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
-}
-
 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
 
@@ -787,21 +761,21 @@ extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mod
 
 extern inline int ieee80211_get_hdrlen(u16 fc)
 {
-        int hdrlen = 24;
+        int hdrlen = IEEE80211_3ADDR_LEN;
 
         switch (WLAN_FC_GET_TYPE(fc)) {
         case IEEE80211_FTYPE_DATA:
                 if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
-                        hdrlen = 30; /* Addr4 */
+                        hdrlen = IEEE80211_4ADDR_LEN;
                 break;
         case IEEE80211_FTYPE_CTL:
                 switch (WLAN_FC_GET_STYPE(fc)) {
                 case IEEE80211_STYPE_CTS:
                 case IEEE80211_STYPE_ACK:
-                        hdrlen = 10;
+                        hdrlen = IEEE80211_1ADDR_LEN;
                         break;
                 default:
-                        hdrlen = 16;
+                        hdrlen = IEEE80211_2ADDR_LEN;
                         break;
                 }
                 break;
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 771b47e30f86..69324465e8b3 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -183,7 +183,6 @@ struct ipv6_txoptions
         struct ipv6_opt_hdr     *hopopt;
         struct ipv6_opt_hdr     *dst0opt;
         struct ipv6_rt_hdr      *srcrt; /* Routing Header */
-        struct ipv6_opt_hdr     *auth;
         struct ipv6_opt_hdr     *dst1opt;
 
         /* Option buffer, as read by IPV6_PKTOPTIONS, starts here. */
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index fcb05a387dbe..6492e7363d84 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -13,13 +13,12 @@ struct qdisc_walker
 
 extern rwlock_t qdisc_tree_lock;
 
-#define QDISC_ALIGN             32
-#define QDISC_ALIGN_CONST       (QDISC_ALIGN - 1)
+#define QDISC_ALIGNTO           32
+#define QDISC_ALIGN(len)        (((len) + QDISC_ALIGNTO-1) & ~(QDISC_ALIGNTO-1))
 
 static inline void *qdisc_priv(struct Qdisc *q)
 {
-        return (char *)q + ((sizeof(struct Qdisc) + QDISC_ALIGN_CONST)
-                              & ~QDISC_ALIGN_CONST);
+        return (char *) q + QDISC_ALIGN(sizeof(struct Qdisc));
 }
 
 /* 
@@ -207,8 +206,6 @@ psched_tod_diff(int delta_sec, int bound)
 
 #endif /* !CONFIG_NET_SCH_CLK_GETTIMEOFDAY */
 
-extern struct Qdisc noop_qdisc;
-extern struct Qdisc_ops noop_qdisc_ops;
 extern struct Qdisc_ops pfifo_qdisc_ops;
 extern struct Qdisc_ops bfifo_qdisc_ops;
 
@@ -216,14 +213,6 @@ extern int register_qdisc(struct Qdisc_ops *qops);
 extern int unregister_qdisc(struct Qdisc_ops *qops);
 extern struct Qdisc *qdisc_lookup(struct net_device *dev, u32 handle);
 extern struct Qdisc *qdisc_lookup_class(struct net_device *dev, u32 handle);
-extern void dev_init_scheduler(struct net_device *dev);
-extern void dev_shutdown(struct net_device *dev);
-extern void dev_activate(struct net_device *dev);
-extern void dev_deactivate(struct net_device *dev);
-extern void qdisc_reset(struct Qdisc *qdisc);
-extern void qdisc_destroy(struct Qdisc *qdisc);
-extern struct Qdisc * qdisc_create_dflt(struct net_device *dev,
-        struct Qdisc_ops *ops);
 extern struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r,
                 struct rtattr *tab);
 extern void qdisc_put_rtab(struct qdisc_rate_table *tab);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 7b97405e2dbf..7b6ec9986715 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -164,6 +164,19 @@ extern void qdisc_unlock_tree(struct net_device *dev);
 #define tcf_tree_lock(tp)       qdisc_lock_tree((tp)->q->dev)
 #define tcf_tree_unlock(tp)     qdisc_unlock_tree((tp)->q->dev)
 
+extern struct Qdisc noop_qdisc;
+extern struct Qdisc_ops noop_qdisc_ops;
+
+extern void dev_init_scheduler(struct net_device *dev);
+extern void dev_shutdown(struct net_device *dev);
+extern void dev_activate(struct net_device *dev);
+extern void dev_deactivate(struct net_device *dev);
+extern void qdisc_reset(struct Qdisc *qdisc);
+extern void qdisc_destroy(struct Qdisc *qdisc);
+extern struct Qdisc *qdisc_alloc(struct net_device *dev, struct Qdisc_ops *ops);
+extern struct Qdisc *qdisc_create_dflt(struct net_device *dev,
+                                       struct Qdisc_ops *ops);
+
 static inline void
 tcf_destroy(struct tcf_proto *tp)
 {
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 4868c7f7749d..5999e5684bbf 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -263,23 +263,11 @@ enum { SCTP_MIN_PMTU = 576 };
 enum { SCTP_MAX_DUP_TSNS = 16 };
 enum { SCTP_MAX_GABS = 16 };
 
-/* Here we define the default timers.  */
+/* Heartbeat interval - 30 secs */
+#define SCTP_DEFAULT_TIMEOUT_HEARTBEAT  (30 * HZ)
 
-/* cookie timer def = ? seconds */
-#define SCTP_DEFAULT_TIMEOUT_T1_COOKIE  (3 * HZ)
-
-/* init timer def = 3 seconds  */
-#define SCTP_DEFAULT_TIMEOUT_T1_INIT    (3 * HZ)
-
-/* shutdown timer def = 300 ms */
-#define SCTP_DEFAULT_TIMEOUT_T2_SHUTDOWN ((300 * HZ) / 1000)
-
-/* 0 seconds + RTO */
-#define SCTP_DEFAULT_TIMEOUT_HEARTBEAT  (10 * HZ)
-
-/* recv timer def = 200ms (in usec) */
+/* Delayed sack timer - 200ms */
 #define SCTP_DEFAULT_TIMEOUT_SACK       ((200 * HZ) / 1000)
-#define SCTP_DEFAULT_TIMEOUT_SACK_MAX   ((500 * HZ) / 1000) /* 500 ms */
 
 /* RTO.Initial              - 3  seconds
  * RTO.Min                  - 1  second
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index dfad4d3c581c..47727c7cc628 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -161,6 +161,9 @@ extern struct sctp_globals {
          */
         int sndbuf_policy;
 
+        /* Delayed SACK timeout  200ms default*/
+        int sack_timeout;
+
         /* HB.interval              - 30 seconds  */
         int hb_interval;
 
@@ -217,6 +220,7 @@ extern struct sctp_globals {
 #define sctp_sndbuf_policy              (sctp_globals.sndbuf_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)
 #define sctp_hb_interval                (sctp_globals.hb_interval)
 #define sctp_max_instreams              (sctp_globals.max_instreams)
 #define sctp_max_outstreams             (sctp_globals.max_outstreams)
diff --git a/include/net/slhc_vj.h b/include/net/slhc_vj.h
index 0b2c2784f333..8716d5942b65 100644
--- a/include/net/slhc_vj.h
+++ b/include/net/slhc_vj.h
@@ -170,19 +170,14 @@ struct slcompress {
 };
 #define NULLSLCOMPR     (struct slcompress *)0
 
-#define __ARGS(x) x
-
 /* In slhc.c: */
-struct slcompress *slhc_init __ARGS((int rslots, int tslots));
-void slhc_free __ARGS((struct slcompress *comp));
-
-int slhc_compress __ARGS((struct slcompress *comp, unsigned char *icp,
-                          int isize, unsigned char *ocp, unsigned char **cpp,
-                          int compress_cid));
-int slhc_uncompress __ARGS((struct slcompress *comp, unsigned char *icp,
-                            int isize));
-int slhc_remember __ARGS((struct slcompress *comp, unsigned char *icp,
-                          int isize));
-int slhc_toss __ARGS((struct slcompress *comp));
+struct slcompress *slhc_init(int rslots, int tslots);
+void slhc_free(struct slcompress *comp);
+
+int slhc_compress(struct slcompress *comp, unsigned char *icp, int isize,
+                  unsigned char *ocp, unsigned char **cpp, int compress_cid);
+int slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize);
+int slhc_remember(struct slcompress *comp, unsigned char *icp, int isize);
+int slhc_toss(struct slcompress *comp);
 
 #endif  /* _SLHC_H */
diff --git a/include/net/sock.h b/include/net/sock.h
index e593af5b1ecc..7b76f891ae2d 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1134,13 +1134,16 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk)
 static inline struct sk_buff *sk_stream_alloc_pskb(struct sock *sk,
                                                    int size, int mem, int gfp)
 {
-        struct sk_buff *skb = alloc_skb(size + sk->sk_prot->max_header, gfp);
+        struct sk_buff *skb;
+        int hdr_len;
 
+        hdr_len = SKB_DATA_ALIGN(sk->sk_prot->max_header);
+        skb = alloc_skb(size + hdr_len, gfp);
         if (skb) {
                 skb->truesize += mem;
                 if (sk->sk_forward_alloc >= (int)skb->truesize ||
                     sk_stream_mem_schedule(sk, skb->truesize, 0)) {
-                        skb_reserve(skb, sk->sk_prot->max_header);
+                        skb_reserve(skb, hdr_len);
                         return skb;
                 }
                 __kfree_skb(skb);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index ec9e20c27179..a166918ca56d 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -721,11 +721,16 @@ static inline int tcp_ack_scheduled(struct tcp_sock *tp)
         return tp->ack.pending&TCP_ACK_SCHED;
 }
 
-static __inline__ void tcp_dec_quickack_mode(struct tcp_sock *tp)
+static __inline__ void tcp_dec_quickack_mode(struct tcp_sock *tp, unsigned int pkts)
 {
-        if (tp->ack.quick && --tp->ack.quick == 0) {
-                /* Leaving quickack mode we deflate ATO. */
-                tp->ack.ato = TCP_ATO_MIN;
+        if (tp->ack.quick) {
+                if (pkts >= tp->ack.quick) {
+                        tp->ack.quick = 0;
+
+                        /* Leaving quickack mode we deflate ATO. */
+                        tp->ack.ato = TCP_ATO_MIN;
+                } else
+                        tp->ack.quick -= pkts;
         }
 }
 
@@ -843,7 +848,9 @@ extern __u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb,
 
 /* tcp_output.c */
 
-extern int tcp_write_xmit(struct sock *, int nonagle);
+extern void __tcp_push_pending_frames(struct sock *sk, struct tcp_sock *tp,
+                                      unsigned int cur_mss, int nonagle);
+extern int tcp_may_send_now(struct sock *sk, struct tcp_sock *tp);
 extern int tcp_retransmit_skb(struct sock *, struct sk_buff *);
 extern void tcp_xmit_retransmit_queue(struct sock *);
 extern void tcp_simple_retransmit(struct sock *);
@@ -855,10 +862,13 @@ extern int  tcp_write_wakeup(struct sock *);
 extern void tcp_send_fin(struct sock *sk);
 extern void tcp_send_active_reset(struct sock *sk, int priority);
 extern int  tcp_send_synack(struct sock *);
-extern void tcp_push_one(struct sock *, unsigned mss_now);
+extern void tcp_push_one(struct sock *, unsigned int mss_now);
 extern void tcp_send_ack(struct sock *sk);
 extern void tcp_send_delayed_ack(struct sock *sk);
 
+/* tcp_input.c */
+extern void tcp_cwnd_application_limited(struct sock *sk);
+
 /* tcp_timer.c */
 extern void tcp_init_xmit_timers(struct sock *);
 extern void tcp_clear_xmit_timers(struct sock *);
@@ -958,7 +968,7 @@ static inline void tcp_reset_xmit_timer(struct sock *sk, int what, unsigned long
 static inline void tcp_initialize_rcv_mss(struct sock *sk)
 {
         struct tcp_sock *tp = tcp_sk(sk);
-        unsigned int hint = min(tp->advmss, tp->mss_cache_std);
+        unsigned int hint = min_t(unsigned int, tp->advmss, tp->mss_cache);
 
         hint = min(hint, tp->rcv_wnd/2);
         hint = min(hint, TCP_MIN_RCVMSS);
@@ -1225,28 +1235,6 @@ static inline void tcp_sync_left_out(struct tcp_sock *tp)
         tp->left_out = tp->sacked_out + tp->lost_out;
 }
 
-extern void tcp_cwnd_application_limited(struct sock *sk);
-
-/* Congestion window validation. (RFC2861) */
-
-static inline void tcp_cwnd_validate(struct sock *sk, struct tcp_sock *tp)
-{
-        __u32 packets_out = tp->packets_out;
-
-        if (packets_out >= tp->snd_cwnd) {
-                /* Network is feed fully. */
-                tp->snd_cwnd_used = 0;
-                tp->snd_cwnd_stamp = tcp_time_stamp;
-        } else {
-                /* Network starves. */
-                if (tp->packets_out > tp->snd_cwnd_used)
-                        tp->snd_cwnd_used = tp->packets_out;
-
-                if ((s32)(tcp_time_stamp - tp->snd_cwnd_stamp) >= tp->rto)
-                        tcp_cwnd_application_limited(sk);
-        }
-}
-
 /* Set slow start threshould and cwnd not falling to slow start */
 static inline void __tcp_enter_cwr(struct tcp_sock *tp)
 {
@@ -1279,12 +1267,6 @@ static __inline__ __u32 tcp_max_burst(const struct tcp_sock *tp)
         return 3;
 }
 
-static __inline__ int tcp_minshall_check(const struct tcp_sock *tp)
-{
-        return after(tp->snd_sml,tp->snd_una) &&
-                !after(tp->snd_sml, tp->snd_nxt);
-}
-
 static __inline__ void tcp_minshall_update(struct tcp_sock *tp, int mss, 
                                            const struct sk_buff *skb)
 {
@@ -1292,122 +1274,18 @@ static __inline__ void tcp_minshall_update(struct tcp_sock *tp, int mss,
                 tp->snd_sml = TCP_SKB_CB(skb)->end_seq;
 }
 
-/* Return 0, if packet can be sent now without violation Nagle's rules:
-   1. It is full sized.
-   2. Or it contains FIN.
-   3. Or TCP_NODELAY was set.
-   4. Or TCP_CORK is not set, and all sent packets are ACKed.
-      With Minshall's modification: all sent small packets are ACKed.
- */
-
-static __inline__ int
-tcp_nagle_check(const struct tcp_sock *tp, const struct sk_buff *skb, 
-                unsigned mss_now, int nonagle)
-{
-        return (skb->len < mss_now &&
-                !(TCP_SKB_CB(skb)->flags & TCPCB_FLAG_FIN) &&
-                ((nonagle&TCP_NAGLE_CORK) ||
-                 (!nonagle &&
-                  tp->packets_out &&
-                  tcp_minshall_check(tp))));
-}
-
-extern void tcp_set_skb_tso_segs(struct sock *, struct sk_buff *);
-
-/* This checks if the data bearing packet SKB (usually sk->sk_send_head)
- * should be put on the wire right now.
- */
-static __inline__ int tcp_snd_test(struct sock *sk,
-                                   struct sk_buff *skb,
-                                   unsigned cur_mss, int nonagle)
-{
-        struct tcp_sock *tp = tcp_sk(sk);
-        int pkts = tcp_skb_pcount(skb);
-
-        if (!pkts) {
-                tcp_set_skb_tso_segs(sk, skb);
-                pkts = tcp_skb_pcount(skb);
-        }
-
-        /*      RFC 1122 - section 4.2.3.4
-         *
-         *      We must queue if
-         *
-         *      a) The right edge of this frame exceeds the window
-         *      b) There are packets in flight and we have a small segment
-         *         [SWS avoidance and Nagle algorithm]
-         *         (part of SWS is done on packetization)
-         *         Minshall version sounds: there are no _small_
-         *         segments in flight. (tcp_nagle_check)
-         *      c) We have too many packets 'in flight'
-         *
-         *      Don't use the nagle rule for urgent data (or
-         *      for the final FIN -DaveM).
-         *
-         *      Also, Nagle rule does not apply to frames, which
-         *      sit in the middle of queue (they have no chances
-         *      to get new data) and if room at tail of skb is
-         *      not enough to save something seriously (<32 for now).
-         */
-
-        /* Don't be strict about the congestion window for the
-         * final FIN frame.  -DaveM
-         */
-        return (((nonagle&TCP_NAGLE_PUSH) || tp->urg_mode
-                 || !tcp_nagle_check(tp, skb, cur_mss, nonagle)) &&
-                (((tcp_packets_in_flight(tp) + (pkts-1)) < tp->snd_cwnd) ||
-                 (TCP_SKB_CB(skb)->flags & TCPCB_FLAG_FIN)) &&
-                !after(TCP_SKB_CB(skb)->end_seq, tp->snd_una + tp->snd_wnd));
-}
-
 static __inline__ void tcp_check_probe_timer(struct sock *sk, struct tcp_sock *tp)
 {
         if (!tp->packets_out && !tp->pending)
                 tcp_reset_xmit_timer(sk, TCP_TIME_PROBE0, tp->rto);
 }
 
-static __inline__ int tcp_skb_is_last(const struct sock *sk, 
-                                      const struct sk_buff *skb)
-{
-        return skb->next == (struct sk_buff *)&sk->sk_write_queue;
-}
-
-/* Push out any pending frames which were held back due to
- * TCP_CORK or attempt at coalescing tiny packets.
- * The socket must be locked by the caller.
- */
-static __inline__ void __tcp_push_pending_frames(struct sock *sk,
-                                                 struct tcp_sock *tp,
-                                                 unsigned cur_mss,
-                                                 int nonagle)
-{
-        struct sk_buff *skb = sk->sk_send_head;
-
-        if (skb) {
-                if (!tcp_skb_is_last(sk, skb))
-                        nonagle = TCP_NAGLE_PUSH;
-                if (!tcp_snd_test(sk, skb, cur_mss, nonagle) ||
-                    tcp_write_xmit(sk, nonagle))
-                        tcp_check_probe_timer(sk, tp);
-        }
-        tcp_cwnd_validate(sk, tp);
-}
-
 static __inline__ void tcp_push_pending_frames(struct sock *sk,
                                                struct tcp_sock *tp)
 {
         __tcp_push_pending_frames(sk, tp, tcp_current_mss(sk, 1), tp->nonagle);
 }
 
-static __inline__ int tcp_may_send_now(struct sock *sk, struct tcp_sock *tp)
-{
-        struct sk_buff *skb = sk->sk_send_head;
-
-        return (skb &&
-                tcp_snd_test(sk, skb, tcp_current_mss(sk, 1),
-                             tcp_skb_is_last(sk, skb) ? TCP_NAGLE_PUSH : tp->nonagle));
-}
-
 static __inline__ void tcp_init_wl(struct tcp_sock *tp, u32 ack, u32 seq)
 {
         tp->snd_wl1 = seq;