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net-next: remove useless union keyword

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remove useless union keyword in rtable, rt6_info and dn_route.

Since there is only one member in a union, the union keyword isn't useful.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Changli Gao
2010-06-10 23:31:35 -07:00
committed by David S. Miller
parent 592fcb9dfa
commit d8d1f30b95
55 changed files with 692 additions and 707 deletions
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60
net/ipv4/ip_output.c
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@@ -151,15 +151,15 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
iph->version = 4;
iph->ihl = 5;
iph->tos = inet->tos;
if (ip_dont_fragment(sk, &rt->u.dst))
if (ip_dont_fragment(sk, &rt->dst))
iph->frag_off = htons(IP_DF);
else
iph->frag_off = 0;
iph->ttl = ip_select_ttl(inet, &rt->u.dst);
iph->ttl = ip_select_ttl(inet, &rt->dst);
iph->daddr = rt->rt_dst;
iph->saddr = rt->rt_src;
iph->protocol = sk->sk_protocol;
ip_select_ident(iph, &rt->u.dst, sk);
ip_select_ident(iph, &rt->dst, sk);
if (opt && opt->optlen) {
iph->ihl += opt->optlen>>2;
@@ -240,7 +240,7 @@ int ip_mc_output(struct sk_buff *skb)
{
struct sock *sk = skb->sk;
struct rtable *rt = skb_rtable(skb);
struct net_device *dev = rt->u.dst.dev;
struct net_device *dev = rt->dst.dev;
/*
* If the indicated interface is up and running, send the packet.
@@ -359,9 +359,9 @@ int ip_queue_xmit(struct sk_buff *skb)
if (ip_route_output_flow(sock_net(sk), &rt, &fl, sk, 0))
goto no_route;
}
sk_setup_caps(sk, &rt->u.dst);
sk_setup_caps(sk, &rt->dst);
}
skb_dst_set_noref(skb, &rt->u.dst);
skb_dst_set_noref(skb, &rt->dst);
packet_routed:
if (opt && opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
@@ -372,11 +372,11 @@ packet_routed:
skb_reset_network_header(skb);
iph = ip_hdr(skb);
*((__be16 *)iph) = htons((4 << 12) | (5 << 8) | (inet->tos & 0xff));
if (ip_dont_fragment(sk, &rt->u.dst) && !skb->local_df)
if (ip_dont_fragment(sk, &rt->dst) && !skb->local_df)
iph->frag_off = htons(IP_DF);
else
iph->frag_off = 0;
iph->ttl = ip_select_ttl(inet, &rt->u.dst);
iph->ttl = ip_select_ttl(inet, &rt->dst);
iph->protocol = sk->sk_protocol;
iph->saddr = rt->rt_src;
iph->daddr = rt->rt_dst;
@@ -387,7 +387,7 @@ packet_routed:
ip_options_build(skb, opt, inet->inet_daddr, rt, 0);
}
ip_select_ident_more(iph, &rt->u.dst, sk,
ip_select_ident_more(iph, &rt->dst, sk,
(skb_shinfo(skb)->gso_segs ?: 1) - 1);
skb->priority = sk->sk_priority;
@@ -452,7 +452,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
struct rtable *rt = skb_rtable(skb);
int err = 0;
dev = rt->u.dst.dev;
dev = rt->dst.dev;
/*
* Point into the IP datagram header.
@@ -473,7 +473,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
*/
hlen = iph->ihl * 4;
mtu = dst_mtu(&rt->u.dst) - hlen; /* Size of data space */
mtu = dst_mtu(&rt->dst) - hlen; /* Size of data space */
#ifdef CONFIG_BRIDGE_NETFILTER
if (skb->nf_bridge)
mtu -= nf_bridge_mtu_reduction(skb);
@@ -586,7 +586,7 @@ slow_path:
* we need to make room for the encapsulating header
*/
pad = nf_bridge_pad(skb);
ll_rs = LL_RESERVED_SPACE_EXTRA(rt->u.dst.dev, pad);
ll_rs = LL_RESERVED_SPACE_EXTRA(rt->dst.dev, pad);
mtu -= pad;
/*
@@ -833,13 +833,13 @@ int ip_append_data(struct sock *sk,
*/
*rtp = NULL;
inet->cork.fragsize = mtu = inet->pmtudisc == IP_PMTUDISC_PROBE ?
rt->u.dst.dev->mtu :
dst_mtu(rt->u.dst.path);
inet->cork.dst = &rt->u.dst;
rt->dst.dev->mtu :
dst_mtu(rt->dst.path);
inet->cork.dst = &rt->dst;
inet->cork.length = 0;
sk->sk_sndmsg_page = NULL;
sk->sk_sndmsg_off = 0;
if ((exthdrlen = rt->u.dst.header_len) != 0) {
if ((exthdrlen = rt->dst.header_len) != 0) {
length += exthdrlen;
transhdrlen += exthdrlen;
}
@@ -852,7 +852,7 @@ int ip_append_data(struct sock *sk,
exthdrlen = 0;
mtu = inet->cork.fragsize;
}
hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
hh_len = LL_RESERVED_SPACE(rt->dst.dev);
fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen;
@@ -869,14 +869,14 @@ int ip_append_data(struct sock *sk,
*/
if (transhdrlen &&
length + fragheaderlen <= mtu &&
rt->u.dst.dev->features & NETIF_F_V4_CSUM &&
rt->dst.dev->features & NETIF_F_V4_CSUM &&
!exthdrlen)
csummode = CHECKSUM_PARTIAL;
inet->cork.length += length;
if (((length> mtu) || !skb_queue_empty(&sk->sk_write_queue)) &&
(sk->sk_protocol == IPPROTO_UDP) &&
(rt->u.dst.dev->features & NETIF_F_UFO)) {
(rt->dst.dev->features & NETIF_F_UFO)) {
err = ip_ufo_append_data(sk, getfrag, from, length, hh_len,
fragheaderlen, transhdrlen, mtu,
flags);
@@ -924,7 +924,7 @@ alloc_new_skb:
fraglen = datalen + fragheaderlen;
if ((flags & MSG_MORE) &&
!(rt->u.dst.dev->features&NETIF_F_SG))
!(rt->dst.dev->features&NETIF_F_SG))
alloclen = mtu;
else
alloclen = datalen + fragheaderlen;
@@ -935,7 +935,7 @@ alloc_new_skb:
* the last.
*/
if (datalen == length + fraggap)
alloclen += rt->u.dst.trailer_len;
alloclen += rt->dst.trailer_len;
if (transhdrlen) {
skb = sock_alloc_send_skb(sk,
@@ -1008,7 +1008,7 @@ alloc_new_skb:
if (copy > length)
copy = length;
if (!(rt->u.dst.dev->features&NETIF_F_SG)) {
if (!(rt->dst.dev->features&NETIF_F_SG)) {
unsigned int off;
off = skb->len;
@@ -1103,10 +1103,10 @@ ssize_t ip_append_page(struct sock *sk, struct page *page,
if (inet->cork.flags & IPCORK_OPT)
opt = inet->cork.opt;
if (!(rt->u.dst.dev->features&NETIF_F_SG))
if (!(rt->dst.dev->features&NETIF_F_SG))
return -EOPNOTSUPP;
hh_len = LL_RESERVED_SPACE(rt->u.dst.dev);
hh_len = LL_RESERVED_SPACE(rt->dst.dev);
mtu = inet->cork.fragsize;
fragheaderlen = sizeof(struct iphdr) + (opt ? opt->optlen : 0);
@@ -1122,7 +1122,7 @@ ssize_t ip_append_page(struct sock *sk, struct page *page,
inet->cork.length += size;
if ((sk->sk_protocol == IPPROTO_UDP) &&
(rt->u.dst.dev->features & NETIF_F_UFO)) {
(rt->dst.dev->features & NETIF_F_UFO)) {
skb_shinfo(skb)->gso_size = mtu - fragheaderlen;
skb_shinfo(skb)->gso_type = SKB_GSO_UDP;
}
@@ -1274,8 +1274,8 @@ int ip_push_pending_frames(struct sock *sk)
* If local_df is set too, we still allow to fragment this frame
* locally. */
if (inet->pmtudisc >= IP_PMTUDISC_DO ||
(skb->len <= dst_mtu(&rt->u.dst) &&
ip_dont_fragment(sk, &rt->u.dst)))
(skb->len <= dst_mtu(&rt->dst) &&
ip_dont_fragment(sk, &rt->dst)))
df = htons(IP_DF);
if (inet->cork.flags & IPCORK_OPT)
@@ -1284,7 +1284,7 @@ int ip_push_pending_frames(struct sock *sk)
if (rt->rt_type == RTN_MULTICAST)
ttl = inet->mc_ttl;
else
ttl = ip_select_ttl(inet, &rt->u.dst);
ttl = ip_select_ttl(inet, &rt->dst);
iph = (struct iphdr *)skb->data;
iph->version = 4;
@@ -1295,7 +1295,7 @@ int ip_push_pending_frames(struct sock *sk)
}
iph->tos = inet->tos;
iph->frag_off = df;
ip_select_ident(iph, &rt->u.dst, sk);
ip_select_ident(iph, &rt->dst, sk);
iph->ttl = ttl;
iph->protocol = sk->sk_protocol;
iph->saddr = rt->rt_src;
@@ -1308,7 +1308,7 @@ int ip_push_pending_frames(struct sock *sk)
* on dst refcount
*/
inet->cork.dst = NULL;
skb_dst_set(skb, &rt->u.dst);
skb_dst_set(skb, &rt->dst);
if (iph->protocol == IPPROTO_ICMP)
icmp_out_count(net, ((struct icmphdr *)