devcgroup: always show positive major/minor num

[linux-2.6-omap-h63xx.git] / net / ipv4 / ip_output.c

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 18070ca65771c853dea40e08b02bb1e809b70535..e527628f56cf714c8cac834c2fa1499a9f91c82a 100644 (file)
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -142,7 +142,7 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
                          __be32 saddr, __be32 daddr, struct ip_options *opt)
 {
        struct inet_sock *inet = inet_sk(sk);
-       struct rtable *rt = (struct rtable *)skb->dst;
+       struct rtable *rt = skb->rtable;
        struct iphdr *iph;
 
        /* Build the IP header. */
@@ -168,6 +168,7 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
        }
 
        skb->priority = sk->sk_priority;
+       skb->mark = sk->sk_mark;
 
        /* Send it out. */
        return ip_local_out(skb);
@@ -239,7 +240,7 @@ static int ip_finish_output(struct sk_buff *skb)
 int ip_mc_output(struct sk_buff *skb)
 {
        struct sock *sk = skb->sk;
-       struct rtable *rt = (struct rtable*)skb->dst;
+       struct rtable *rt = skb->rtable;
        struct net_device *dev = rt->u.dst.dev;
 
        /*
@@ -320,7 +321,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
        /* Skip all of this if the packet is already routed,
         * f.e. by something like SCTP.
         */
-       rt = (struct rtable *) skb->dst;
+       rt = skb->rtable;
        if (rt != NULL)
                goto packet_routed;
 
@@ -350,7 +351,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
                         * itself out.
                         */
                        security_sk_classify_flow(sk, &fl);
-                       if (ip_route_output_flow(&init_net, &rt, &fl, sk, 0))
+                       if (ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0))
                                goto no_route;
                }
                sk_setup_caps(sk, &rt->u.dst);
@@ -385,6 +386,7 @@ packet_routed:
                             (skb_shinfo(skb)->gso_segs ?: 1) - 1);
 
        skb->priority = sk->sk_priority;
+       skb->mark = sk->sk_mark;
 
        return ip_local_out(skb);
 
@@ -439,7 +441,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
        unsigned int mtu, hlen, left, len, ll_rs, pad;
        int offset;
        __be16 not_last_frag;
-       struct rtable *rt = (struct rtable*)skb->dst;
+       struct rtable *rt = skb->rtable;
        int err = 0;
 
        dev = rt->u.dst.dev;
@@ -476,6 +478,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
        if (skb_shinfo(skb)->frag_list) {
                struct sk_buff *frag;
                int first_len = skb_pagelen(skb);
+               int truesizes = 0;
 
                if (first_len - hlen > mtu ||
                    ((first_len - hlen) & 7) ||
@@ -499,7 +502,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
                                sock_hold(skb->sk);
                                frag->sk = skb->sk;
                                frag->destructor = sock_wfree;
-                               skb->truesize -= frag->truesize;
+                               truesizes += frag->truesize;
                        }
                }
 
@@ -510,6 +513,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
                frag = skb_shinfo(skb)->frag_list;
                skb_shinfo(skb)->frag_list = NULL;
                skb->data_len = first_len - skb_headlen(skb);
+               skb->truesize -= truesizes;
                skb->len = first_len;
                iph->tot_len = htons(first_len);
                iph->frag_off = htons(IP_MF);
@@ -749,23 +753,15 @@ static inline int ip_ufo_append_data(struct sock *sk,
                skb->ip_summed = CHECKSUM_PARTIAL;
                skb->csum = 0;
                sk->sk_sndmsg_off = 0;
-       }
 
-       err = skb_append_datato_frags(sk,skb, getfrag, from,
-                              (length - transhdrlen));
-       if (!err) {
-               /* specify the length of each IP datagram fragment*/
+               /* specify the length of each IP datagram fragment */
                skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
                skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
                __skb_queue_tail(&sk->sk_write_queue, skb);
-
-               return 0;
        }
-       /* There is not enough support do UFO ,
-        * so follow normal path
-        */
-       kfree_skb(skb);
-       return err;
+
+       return skb_append_datato_frags(sk, skb, getfrag, from,
+                                      (length - transhdrlen));
 }
 
 /*
@@ -821,7 +817,7 @@ int ip_append_data(struct sock *sk,
                inet->cork.fragsize = mtu = inet->pmtudisc == IP_PMTUDISC_PROBE ?
                                            rt->u.dst.dev->mtu :
                                            dst_mtu(rt->u.dst.path);
-               inet->cork.rt = rt;
+               inet->cork.dst = &rt->u.dst;
                inet->cork.length = 0;
                sk->sk_sndmsg_page = NULL;
                sk->sk_sndmsg_off = 0;
@@ -830,7 +826,7 @@ int ip_append_data(struct sock *sk,
                        transhdrlen += exthdrlen;
                }
        } else {
-               rt = inet->cork.rt;
+               rt = (struct rtable *)inet->cork.dst;
                if (inet->cork.flags & IPCORK_OPT)
                        opt = inet->cork.opt;
 
@@ -859,9 +855,9 @@ int ip_append_data(struct sock *sk,
                csummode = CHECKSUM_PARTIAL;
 
        inet->cork.length += length;
-       if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) &&
-                       (rt->u.dst.dev->features & NETIF_F_UFO)) {
-
+       if (((length> mtu) || !skb_queue_empty(&sk->sk_write_queue)) &&
+           (sk->sk_protocol == IPPROTO_UDP) &&
+           (rt->u.dst.dev->features & NETIF_F_UFO)) {
                err = ip_ufo_append_data(sk, getfrag, from, length, hh_len,
                                         fragheaderlen, transhdrlen, mtu,
                                         flags);
@@ -1079,7 +1075,7 @@ ssize_t   ip_append_page(struct sock *sk, struct page *page,
        if (skb_queue_empty(&sk->sk_write_queue))
                return -EINVAL;
 
-       rt = inet->cork.rt;
+       rt = (struct rtable *)inet->cork.dst;
        if (inet->cork.flags & IPCORK_OPT)
                opt = inet->cork.opt;
 
@@ -1204,10 +1200,8 @@ static void ip_cork_release(struct inet_sock *inet)
        inet->cork.flags &= ~IPCORK_OPT;
        kfree(inet->cork.opt);
        inet->cork.opt = NULL;
-       if (inet->cork.rt) {
-               ip_rt_put(inet->cork.rt);
-               inet->cork.rt = NULL;
-       }
+       dst_release(inet->cork.dst);
+       inet->cork.dst = NULL;
 }
 
 /*
@@ -1220,7 +1214,7 @@ int ip_push_pending_frames(struct sock *sk)
        struct sk_buff **tail_skb;
        struct inet_sock *inet = inet_sk(sk);
        struct ip_options *opt = NULL;
-       struct rtable *rt = inet->cork.rt;
+       struct rtable *rt = (struct rtable *)inet->cork.dst;
        struct iphdr *iph;
        __be16 df = 0;
        __u8 ttl;
@@ -1284,6 +1278,7 @@ int ip_push_pending_frames(struct sock *sk)
        iph->daddr = rt->rt_dst;
 
        skb->priority = sk->sk_priority;
+       skb->mark = sk->sk_mark;
        skb->dst = dst_clone(&rt->u.dst);
 
        if (iph->protocol == IPPROTO_ICMP)
@@ -1352,7 +1347,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar
        } replyopts;
        struct ipcm_cookie ipc;
        __be32 daddr;
-       struct rtable *rt = (struct rtable*)skb->dst;
+       struct rtable *rt = skb->rtable;
 
        if (ip_options_echo(&replyopts.opt, skb))
                return;
@@ -1379,7 +1374,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar
                                                 .dport = tcp_hdr(skb)->source } },
                                    .proto = sk->sk_protocol };
                security_skb_classify_flow(skb, &fl);
-               if (ip_route_output_key(sk->sk_net, &rt, &fl))
+               if (ip_route_output_key(sock_net(sk), &rt, &fl))
                        return;
        }