linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / net / decnet / dn_route.c

diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 743e9fc..3407f19 100644 (file)
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -55,6 +55,7 @@
     GNU General Public License for more details.
 *******************************************************************************/
 
+#include <linux/config.h>
 #include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/socket.h>
@@ -132,9 +133,9 @@ static struct dst_ops dn_dst_ops = {
        .entries =              ATOMIC_INIT(0),
 };
 
-static __inline__ unsigned dn_hash(__le16 src, __le16 dst)
+static __inline__ unsigned dn_hash(unsigned short src, unsigned short dst)
 {
-       __u16 tmp = (__u16 __force)(src ^ dst);
+       unsigned short tmp = src ^ dst;
        tmp ^= (tmp >> 3);
        tmp ^= (tmp >> 5);
        tmp ^= (tmp >> 10);
@@ -148,7 +149,8 @@ static inline void dnrt_free(struct dn_route *rt)
 
 static inline void dnrt_drop(struct dn_route *rt)
 {
-       dst_release(&rt->u.dst);
+       if (rt)
+               dst_release(&rt->u.dst);
        call_rcu_bh(&rt->u.dst.rcu_head, dst_rcu_free);
 }
 
@@ -377,9 +379,9 @@ static int dn_return_short(struct sk_buff *skb)
 {
        struct dn_skb_cb *cb;
        unsigned char *ptr;
-       __le16 *src;
-       __le16 *dst;
-       __le16 tmp;
+       dn_address *src;
+       dn_address *dst;
+       dn_address tmp;
 
        /* Add back headers */
        skb_push(skb, skb->data - skb->nh.raw);
@@ -392,9 +394,9 @@ static int dn_return_short(struct sk_buff *skb)
        ptr = skb->data + 2;
        *ptr++ = (cb->rt_flags & ~DN_RT_F_RQR) | DN_RT_F_RTS;
 
-       dst = (__le16 *)ptr;
+       dst = (dn_address *)ptr;
        ptr += 2;
-       src = (__le16 *)ptr;
+       src = (dn_address *)ptr;
        ptr += 2;
        *ptr = 0; /* Zero hop count */
 
@@ -473,8 +475,7 @@ static int dn_route_rx_packet(struct sk_buff *skb)
                struct dn_skb_cb *cb = DN_SKB_CB(skb);
                printk(KERN_DEBUG
                        "DECnet: dn_route_rx_packet: rt_flags=0x%02x dev=%s len=%d src=0x%04hx dst=0x%04hx err=%d type=%d\n",
-                       (int)cb->rt_flags, devname, skb->len,
-                       dn_ntohs(cb->src), dn_ntohs(cb->dst),
+                       (int)cb->rt_flags, devname, skb->len, cb->src, cb->dst, 
                        err, skb->pkt_type);
        }
 
@@ -504,7 +505,7 @@ static int dn_route_rx_long(struct sk_buff *skb)
 
         /* Destination info */
         ptr += 2;
-       cb->dst = dn_eth2dn(ptr);
+       cb->dst = dn_htons(dn_eth2dn(ptr));
         if (memcmp(ptr, dn_hiord_addr, 4) != 0)
                 goto drop_it;
         ptr += 6;
@@ -512,7 +513,7 @@ static int dn_route_rx_long(struct sk_buff *skb)
 
         /* Source info */
         ptr += 2;
-       cb->src = dn_eth2dn(ptr);
+       cb->src = dn_htons(dn_eth2dn(ptr));
         if (memcmp(ptr, dn_hiord_addr, 4) != 0)
                 goto drop_it;
         ptr += 6;
@@ -540,9 +541,9 @@ static int dn_route_rx_short(struct sk_buff *skb)
        skb_pull(skb, 5);
        skb->h.raw = skb->data;
 
-       cb->dst = *(__le16 *)ptr;
+       cb->dst = *(dn_address *)ptr;
         ptr += 2;
-        cb->src = *(__le16 *)ptr;
+        cb->src = *(dn_address *)ptr;
         ptr += 2;
         cb->hops = *ptr & 0x3f;
 
@@ -574,7 +575,7 @@ int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type
 {
        struct dn_skb_cb *cb;
        unsigned char flags = 0;
-       __u16 len = dn_ntohs(*(__le16 *)skb->data);
+       __u16 len = dn_ntohs(*(__u16 *)skb->data);
        struct dn_dev *dn = (struct dn_dev *)dev->dn_ptr;
        unsigned char padlen = 0;
 
@@ -628,7 +629,8 @@ int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type
                        padlen);
 
         if (flags & DN_RT_PKT_CNTL) {
-               if (unlikely(skb_linearize(skb)))
+               if (unlikely(skb_is_nonlinear(skb)) &&
+                   skb_linearize(skb, GFP_ATOMIC) != 0)
                        goto dump_it;
 
                 switch(flags & DN_RT_CNTL_MSK) {
@@ -780,7 +782,7 @@ static int dn_rt_bug(struct sk_buff *skb)
                struct dn_skb_cb *cb = DN_SKB_CB(skb);
 
                printk(KERN_DEBUG "dn_rt_bug: skb from:%04x to:%04x\n",
-                               dn_ntohs(cb->src), dn_ntohs(cb->dst));
+                               cb->src, cb->dst);
        }
 
        kfree_skb(skb);
@@ -821,7 +823,7 @@ static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
        return 0;
 }
 
-static inline int dn_match_addr(__le16 addr1, __le16 addr2)
+static inline int dn_match_addr(__u16 addr1, __u16 addr2)
 {
        __u16 tmp = dn_ntohs(addr1) ^ dn_ntohs(addr2);
        int match = 16;
@@ -832,9 +834,9 @@ static inline int dn_match_addr(__le16 addr1, __le16 addr2)
        return match;
 }
 
-static __le16 dnet_select_source(const struct net_device *dev, __le16 daddr, int scope)
+static __u16 dnet_select_source(const struct net_device *dev, __u16 daddr, int scope)
 {
-       __le16 saddr = 0;
+       __u16 saddr = 0;
        struct dn_dev *dn_db = dev->dn_ptr;
        struct dn_ifaddr *ifa;
        int best_match = 0;
@@ -859,14 +861,14 @@ static __le16 dnet_select_source(const struct net_device *dev, __le16 daddr, int
        return saddr;
 }
 
-static inline __le16 __dn_fib_res_prefsrc(struct dn_fib_res *res)
+static inline __u16 __dn_fib_res_prefsrc(struct dn_fib_res *res)
 {
        return dnet_select_source(DN_FIB_RES_DEV(*res), DN_FIB_RES_GW(*res), res->scope);
 }
 
-static inline __le16 dn_fib_rules_map_destination(__le16 daddr, struct dn_fib_res *res)
+static inline __u16 dn_fib_rules_map_destination(__u16 daddr, struct dn_fib_res *res)
 {
-       __le16 mask = dnet_make_mask(res->prefixlen);
+       __u16 mask = dnet_make_mask(res->prefixlen);
        return (daddr&~mask)|res->fi->fib_nh->nh_gw;
 }
 
@@ -890,13 +892,12 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
        struct dn_fib_res res = { .fi = NULL, .type = RTN_UNICAST };
        int err;
        int free_res = 0;
-       __le16 gateway = 0;
+       __u16 gateway = 0;
 
        if (decnet_debug_level & 16)
                printk(KERN_DEBUG
                       "dn_route_output_slow: dst=%04x src=%04x mark=%d"
-                      " iif=%d oif=%d\n", dn_ntohs(oldflp->fld_dst),
-                      dn_ntohs(oldflp->fld_src),
+                      " iif=%d oif=%d\n", oldflp->fld_dst, oldflp->fld_src,
                        oldflp->fld_fwmark, loopback_dev.ifindex, oldflp->oif);
 
        /* If we have an output interface, verify its a DECnet device */
@@ -925,13 +926,8 @@ static int dn_route_output_slow(struct dst_entry **pprt, const struct flowi *old
                for(dev_out = dev_base; dev_out; dev_out = dev_out->next) {
                        if (!dev_out->dn_ptr)
                                continue;
-                       if (!dn_dev_islocal(dev_out, oldflp->fld_src))
-                               continue;
-                       if ((dev_out->flags & IFF_LOOPBACK) &&
-                           oldflp->fld_dst &&
-                           !dn_dev_islocal(dev_out, oldflp->fld_dst))
-                               continue;
-                       break;
+                       if (dn_dev_islocal(dev_out, oldflp->fld_src))
+                               break;
                }
                read_unlock(&dev_base_lock);
                if (dev_out == NULL)
@@ -965,9 +961,8 @@ source_ok:
        if (decnet_debug_level & 16)
                printk(KERN_DEBUG
                       "dn_route_output_slow: initial checks complete."
-                      " dst=%o4x src=%04x oif=%d try_hard=%d\n",
-                      dn_ntohs(fl.fld_dst), dn_ntohs(fl.fld_src),
-                      fl.oif, try_hard);
+                      " dst=%o4x src=%04x oif=%d try_hard=%d\n", fl.fld_dst,
+                      fl.fld_src, fl.oif, try_hard);
 
        /*
         * N.B. If the kernel is compiled without router support then
@@ -1223,8 +1218,8 @@ static int dn_route_input_slow(struct sk_buff *skb)
        struct neighbour *neigh = NULL;
        unsigned hash;
        int flags = 0;
-       __le16 gateway = 0;
-       __le16 local_src = 0;
+       __u16 gateway = 0;
+       __u16 local_src = 0;
        struct flowi fl = { .nl_u = { .dn_u = 
                                     { .daddr = cb->dst,
                                       .saddr = cb->src,
@@ -1271,7 +1266,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
                res.type = RTN_LOCAL;
                flags |= RTCF_DIRECTSRC;
        } else {
-               __le16 src_map = fl.fld_src;
+               __u16 src_map = fl.fld_src;
                free_res = 1;
 
                out_dev = DN_FIB_RES_DEV(res);