Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
  [IPV4] SNMP: Support OutMcastPkts and OutBcastPkts
  [IPV4] SNMP: Support InMcastPkts and InBcastPkts
  [IPV4] SNMP: Support InTruncatedPkts
  [IPV4] SNMP: Support InNoRoutes
  [SNMP]: Add definitions for {In,Out}BcastPkts
  [TCP] FRTO: RFC4138 allows Nagle override when new data must be sent
  [TCP] FRTO: Delay skb available check until it's mandatory
  [XFRM]: Restrict upper layer information by bundle.
  [TCP]: Catch skb with S+L bugs earlier
  [PATCH] INET : IPV4 UDP lookups converted to a 2 pass algo
  [L2TP]: Add the ability to autoload a pppox protocol module.
  [SKB]: Introduce skb_queue_walk_safe()
  [AF_IUCV/IUCV]: smp_call_function deadlock
  [IPV6]: Fix slab corruption running ip6sic
  [TCP]: Update references in two old comments
  [XFRM]: Export SPD info
  [IPV6]: Track device renames in snmp6.
  [SCTP]: Fix sctp_getsockopt_local_addrs_old() to use local storage.
  [NET]: Remove NETIF_F_INTERNAL_STATS, default to internal stats.
  [NETPOLL]: Remove CONFIG_NETPOLL_RX
  ...

8 files changed, 81 insertions, 10 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index e027a3750a77..ac0c92b1e002 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -325,7 +325,6 @@ struct net_device
 #define NETIF_F_VLAN_CHALLENGED 1024    /* Device cannot handle VLAN packets */
 #define NETIF_F_GSO             2048    /* Enable software GSO. */
 #define NETIF_F_LLTX            4096    /* LockLess TX */
-#define NETIF_F_INTERNAL_STATS  8192    /* Use stats structure in net_device */
 
         /* Segmentation offload features */
 #define NETIF_F_GSO_SHIFT       16
@@ -654,8 +653,10 @@ static inline void netif_start_queue(struct net_device *dev)
 static inline void netif_wake_queue(struct net_device *dev)
 {
 #ifdef CONFIG_NETPOLL_TRAP
-        if (netpoll_trap())
+        if (netpoll_trap()) {
+                clear_bit(__LINK_STATE_XOFF, &dev->state);
                 return;
+        }
 #endif
         if (test_and_clear_bit(__LINK_STATE_XOFF, &dev->state))
                 __netif_schedule(dev);
@@ -663,10 +664,6 @@ static inline void netif_wake_queue(struct net_device *dev)
 
 static inline void netif_stop_queue(struct net_device *dev)
 {
-#ifdef CONFIG_NETPOLL_TRAP
-        if (netpoll_trap())
-                return;
-#endif
         set_bit(__LINK_STATE_XOFF, &dev->state);
 }
 
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 2694cb3ca763..253a2b9be9d6 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1471,6 +1471,11 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
                      prefetch(skb->next), (skb != (struct sk_buff *)(queue));   \
                      skb = skb->next)
 
+#define skb_queue_walk_safe(queue, skb, tmp)                                    \
+                for (skb = (queue)->next, tmp = skb->next;                      \
+                     skb != (struct sk_buff *)(queue);                          \
+                     skb = tmp, tmp = skb->next)
+
 #define skb_queue_reverse_walk(queue, skb) \
                 for (skb = (queue)->prev;                                       \
                      prefetch(skb->prev), (skb != (struct sk_buff *)(queue));   \
diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index 854aa6b543f1..802b3a38b041 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -40,6 +40,8 @@ enum
         IPSTATS_MIB_FRAGCREATES,                /* FragCreates */
         IPSTATS_MIB_INMCASTPKTS,                /* InMcastPkts */
         IPSTATS_MIB_OUTMCASTPKTS,               /* OutMcastPkts */
+        IPSTATS_MIB_INBCASTPKTS,                /* InBcastPkts */
+        IPSTATS_MIB_OUTBCASTPKTS,               /* OutBcastPkts */
         __IPSTATS_MIB_MAX
 };
 
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 9c656a5cf842..a5d53e0fe152 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -185,6 +185,11 @@ enum {
 #define XFRM_MSG_NEWSADINFO XFRM_MSG_NEWSADINFO
         XFRM_MSG_GETSADINFO,
 #define XFRM_MSG_GETSADINFO XFRM_MSG_GETSADINFO
+
+        XFRM_MSG_NEWSPDINFO,
+#define XFRM_MSG_NEWSPDINFO XFRM_MSG_NEWSPDINFO
+        XFRM_MSG_GETSPDINFO,
+#define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO
         __XFRM_MSG_MAX
 };
 #define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
@@ -290,6 +295,36 @@ enum xfrm_sadattr_type_t {
 #define XFRMA_SAD_MAX (__XFRMA_SAD_MAX - 1)
 };
 
+/* SPD Table filter flags  */
+enum xfrm_spd_ftype_t {
+        XFRM_SPD_UNSPEC,
+        XFRM_SPD_HMASK=1,
+        XFRM_SPD_HMAX=2,
+        XFRM_SPD_ICNT=4,
+        XFRM_SPD_OCNT=8,
+        XFRM_SPD_FCNT=16,
+        XFRM_SPD_ISCNT=32,
+        XFRM_SPD_OSCNT=64,
+        XFRM_SPD_FSCNT=128,
+        __XFRM_SPD_MAX
+
+#define XFRM_SPD_MAX (__XFRM_SPD_MAX - 1)
+};
+enum xfrm_spdattr_type_t {
+        XFRMA_SPD_UNSPEC,
+        XFRMA_SPDHMASK,
+        XFRMA_SPDHMAX,
+        XFRMA_SPDICNT,
+        XFRMA_SPDOCNT,
+        XFRMA_SPDFCNT,
+        XFRMA_SPDISCNT,
+        XFRMA_SPDOSCNT,
+        XFRMA_SPDFSCNT,
+        __XFRMA_SPD_MAX
+
+#define XFRMA_SPD_MAX (__XFRMA_SPD_MAX - 1)
+};
+
 struct xfrm_usersa_info {
         struct xfrm_selector            sel;
         struct xfrm_id                  id;
diff --git a/include/net/flow.h b/include/net/flow.h
index ce4b10d8b412..f3cc1f812619 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -97,4 +97,10 @@ extern void *flow_cache_lookup(struct flowi *key, u16 family, u8 dir,
 extern void flow_cache_flush(void);
 extern atomic_t flow_cache_genid;
 
+static inline int flow_cache_uli_match(struct flowi *fl1, struct flowi *fl2)
+{
+        return (fl1->proto == fl2->proto &&
+                !memcmp(&fl1->uli_u, &fl2->uli_u, sizeof(fl1->uli_u)));
+}
+
 #endif
diff --git a/include/net/iucv/iucv.h b/include/net/iucv/iucv.h
index 746e7416261e..fd70adbb3566 100644
--- a/include/net/iucv/iucv.h
+++ b/include/net/iucv/iucv.h
@@ -16,7 +16,7 @@
  * completed a register, it can exploit the other functions.
  * For furthur reference on all IUCV functionality, refer to the
  * CP Programming Services book, also available on the web thru
- * www.ibm.com/s390/vm/pubs, manual # SC24-5760
+ * www.vm.ibm.com/pubs, manual # SC24-6084
  *
  * Definition of Return Codes
  * - All positive return codes including zero are reflected back
diff --git a/include/net/tcp.h b/include/net/tcp.h
index a385797f160a..ef8f9d4dae85 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -736,9 +736,7 @@ static inline __u32 tcp_current_ssthresh(const struct sock *sk)
 
 static inline void tcp_sync_left_out(struct tcp_sock *tp)
 {
-        if (tp->rx_opt.sack_ok &&
-            (tp->sacked_out >= tp->packets_out - tp->lost_out))
-                tp->sacked_out = tp->packets_out - tp->lost_out;
+        BUG_ON(tp->sacked_out + tp->lost_out > tp->packets_out);
         tp->left_out = tp->sacked_out + tp->lost_out;
 }
 
@@ -1201,9 +1199,14 @@ static inline struct sk_buff *tcp_send_head(struct sock *sk)
 
 static inline void tcp_advance_send_head(struct sock *sk, struct sk_buff *skb)
 {
+        struct tcp_sock *tp = tcp_sk(sk);
+
         sk->sk_send_head = skb->next;
         if (sk->sk_send_head == (struct sk_buff *)&sk->sk_write_queue)
                 sk->sk_send_head = NULL;
+        /* Don't override Nagle indefinately with F-RTO */
+        if (tp->frto_counter == 2)
+                tp->frto_counter = 3;
 }
 
 static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unlinked)
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 8287081d77f2..66c2d3eec03c 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -423,6 +423,18 @@ struct xfrm_sadinfo
         u32 sadhmcnt; /* max allowed hash bkts */
         u32 sadcnt; /* current running count */
 };
+
+struct xfrm_spdinfo
+{
+        u32 incnt;
+        u32 outcnt;
+        u32 fwdcnt;
+        u32 inscnt;
+        u32 outscnt;
+        u32 fwdscnt;
+        u32 spdhcnt;
+        u32 spdhmcnt;
+};
 #ifdef CONFIG_AUDITSYSCALL
 extern void xfrm_audit_log(uid_t auid, u32 secid, int type, int result,
                     struct xfrm_policy *xp, struct xfrm_state *x);
@@ -591,6 +603,10 @@ struct xfrm_dst
                 struct rt6_info         rt6;
         } u;
         struct dst_entry *route;
+#ifdef CONFIG_XFRM_SUB_POLICY
+        struct flowi *origin;
+        struct xfrm_selector *partner;
+#endif
         u32 genid;
         u32 route_mtu_cached;
         u32 child_mtu_cached;
@@ -603,6 +619,12 @@ static inline void xfrm_dst_destroy(struct xfrm_dst *xdst)
         dst_release(xdst->route);
         if (likely(xdst->u.dst.xfrm))
                 xfrm_state_put(xdst->u.dst.xfrm);
+#ifdef CONFIG_XFRM_SUB_POLICY
+        kfree(xdst->origin);
+        xdst->origin = NULL;
+        kfree(xdst->partner);
+        xdst->partner = NULL;
+#endif
 }
 
 extern void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev);
@@ -946,6 +968,7 @@ extern struct xfrm_state *xfrm_find_acq_byseq(u32 seq);
 extern int xfrm_state_delete(struct xfrm_state *x);
 extern void xfrm_state_flush(u8 proto, struct xfrm_audit *audit_info);
 extern void xfrm_sad_getinfo(struct xfrm_sadinfo *si);
+extern void xfrm_spd_getinfo(struct xfrm_spdinfo *si);
 extern int xfrm_replay_check(struct xfrm_state *x, __be32 seq);
 extern void xfrm_replay_advance(struct xfrm_state *x, __be32 seq);
 extern void xfrm_replay_notify(struct xfrm_state *x, int event);