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net: skb->rtable accessor

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Define skb_rtable(const struct sk_buff *skb) accessor to get rtable from skb

Delete skb->rtable field

Setting rtable is not allowed, just set dst instead as rtable is an alias.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-06-02 05:14:27 +00:00 committed by David S. Miller
parent dfbf97f3ac
commit 511c3f92ad
23 changed files with 89 additions and 73 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/net/appletalk/ipddp.c
View file

@ -115,7 +115,7 @@ static struct net_device * __init ipddp_init(void)
*/
static int ipddp_xmit(struct sk_buff *skb, struct net_device *dev)
{
__be32 paddr = ((struct rtable*)skb->dst)->rt_gateway;
__be32 paddr = skb_rtable(skb)->rt_gateway;
struct ddpehdr *ddp;
struct ipddp_route *rt;
struct atalk_addr *our_addr;

6
include/linux/skbuff.h
View file

@ -324,7 +324,6 @@ struct sk_buff {
union {
struct dst_entry *dst;
struct rtable *rtable;
unsigned long _skb_dst;
};
#ifdef CONFIG_XFRM
@ -427,6 +426,11 @@ extern void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
enum dma_data_direction dir);
#endif
static inline struct rtable *skb_rtable(const struct sk_buff *skb)
{
return (struct rtable *)skb->_skb_dst;
}
extern void kfree_skb(struct sk_buff *skb);
extern void consume_skb(struct sk_buff *skb);
extern void __kfree_skb(struct sk_buff *skb);

2
include/net/route.h
View file

@ -210,7 +210,7 @@ static inline struct inet_peer *rt_get_peer(struct rtable *rt)
static inline int inet_iif(const struct sk_buff *skb)
{
return skb->rtable->rt_iif;
return skb_rtable(skb)->rt_iif;
}
#endif /* _ROUTE_H */

25
net/bridge/br_netfilter.c
View file

@ -228,6 +228,7 @@ int nf_bridge_copy_header(struct sk_buff *skb)
static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb)
{
struct nf_bridge_info *nf_bridge = skb->nf_bridge;
struct rtable *rt;
if (nf_bridge->mask & BRNF_PKT_TYPE) {
skb->pkt_type = PACKET_OTHERHOST;
@ -235,12 +236,13 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb)
}
nf_bridge->mask ^= BRNF_NF_BRIDGE_PREROUTING;
skb->rtable = bridge_parent_rtable(nf_bridge->physindev);
if (!skb->rtable) {
rt = bridge_parent_rtable(nf_bridge->physindev);
if (!rt) {
kfree_skb(skb);
return 0;
}
dst_hold(&skb->rtable->u.dst);
dst_hold(&rt->u.dst);
skb->dst = &rt->u.dst;
skb->dev = nf_bridge->physindev;
nf_bridge_push_encap_header(skb);
@ -338,6 +340,7 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
struct net_device *dev = skb->dev;
struct iphdr *iph = ip_hdr(skb);
struct nf_bridge_info *nf_bridge = skb->nf_bridge;
struct rtable *rt;
int err;
if (nf_bridge->mask & BRNF_PKT_TYPE) {
@ -347,7 +350,6 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
nf_bridge->mask ^= BRNF_NF_BRIDGE_PREROUTING;
if (dnat_took_place(skb)) {
if ((err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, dev))) {
struct rtable *rt;
struct flowi fl = {
.nl_u = {
.ip4_u = {
@ -404,12 +406,13 @@ bridged_dnat:
skb->pkt_type = PACKET_HOST;
}
} else {
skb->rtable = bridge_parent_rtable(nf_bridge->physindev);
if (!skb->rtable) {
rt = bridge_parent_rtable(nf_bridge->physindev);
if (!rt) {
kfree_skb(skb);
return 0;
}
dst_hold(&skb->rtable->u.dst);
dst_hold(&rt->u.dst);
skb->dst = &rt->u.dst;
}
skb->dev = nf_bridge->physindev;
@ -628,9 +631,11 @@ static unsigned int br_nf_local_in(unsigned int hook, struct sk_buff *skb,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
if (skb->rtable && skb->rtable == bridge_parent_rtable(in)) {
dst_release(&skb->rtable->u.dst);
skb->rtable = NULL;
struct rtable *rt = skb_rtable(skb);
if (rt && rt == bridge_parent_rtable(in)) {
dst_release(&rt->u.dst);
skb->dst = NULL;
}
return NF_ACCEPT;

6
net/dccp/ipv4.c
View file

@ -452,7 +452,7 @@ static struct dst_entry* dccp_v4_route_skb(struct net *net, struct sock *sk,
struct sk_buff *skb)
{
struct rtable *rt;
struct flowi fl = { .oif = skb->rtable->rt_iif,
struct flowi fl = { .oif = skb_rtable(skb)->rt_iif,
.nl_u = { .ip4_u =
{ .daddr = ip_hdr(skb)->saddr,
.saddr = ip_hdr(skb)->daddr,
@ -514,7 +514,7 @@ static void dccp_v4_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
if (dccp_hdr(rxskb)->dccph_type == DCCP_PKT_RESET)
return;
if (rxskb->rtable->rt_type != RTN_LOCAL)
if (skb_rtable(rxskb)->rt_type != RTN_LOCAL)
return;
dst = dccp_v4_route_skb(net, ctl_sk, rxskb);
@ -567,7 +567,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
struct dccp_skb_cb *dcb = DCCP_SKB_CB(skb);
/* Never answer to DCCP_PKT_REQUESTs send to broadcast or multicast */
if (skb->rtable->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
return 0; /* discard, don't send a reset here */
if (dccp_bad_service_code(sk, service)) {

4
net/ipv4/arp.c
View file

@ -474,7 +474,7 @@ int arp_find(unsigned char *haddr, struct sk_buff *skb)
return 1;
}
paddr = skb->rtable->rt_gateway;
paddr = skb_rtable(skb)->rt_gateway;
if (arp_set_predefined(inet_addr_type(dev_net(dev), paddr), haddr, paddr, dev))
return 0;
@ -817,7 +817,7 @@ static int arp_process(struct sk_buff *skb)
if (arp->ar_op == htons(ARPOP_REQUEST) &&
ip_route_input(skb, tip, sip, 0, dev) == 0) {
rt = skb->rtable;
rt = skb_rtable(skb);
addr_type = rt->rt_type;
if (addr_type == RTN_LOCAL) {

10
net/ipv4/icmp.c
View file

@ -356,7 +356,7 @@ static void icmp_push_reply(struct icmp_bxm *icmp_param,
static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
{
struct ipcm_cookie ipc;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct net *net = dev_net(rt->u.dst.dev);
struct sock *sk;
struct inet_sock *inet;
@ -416,7 +416,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
struct iphdr *iph;
int room;
struct icmp_bxm icmp_param;
struct rtable *rt = skb_in->rtable;
struct rtable *rt = skb_rtable(skb_in);
struct ipcm_cookie ipc;
__be32 saddr;
u8 tos;
@ -596,7 +596,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
RT_TOS(tos), rt2->u.dst.dev);
dst_release(&rt2->u.dst);
rt2 = skb_in->rtable;
rt2 = skb_rtable(skb_in);
skb_in->dst = odst;
}
@ -926,7 +926,7 @@ static void icmp_address(struct sk_buff *skb)
static void icmp_address_reply(struct sk_buff *skb)
{
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct net_device *dev = skb->dev;
struct in_device *in_dev;
struct in_ifaddr *ifa;
@ -970,7 +970,7 @@ static void icmp_discard(struct sk_buff *skb)
int icmp_rcv(struct sk_buff *skb)
{
struct icmphdr *icmph;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct net *net = dev_net(rt->u.dst.dev);
if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {

2
net/ipv4/igmp.c
View file

@ -948,7 +948,7 @@ int igmp_rcv(struct sk_buff *skb)
case IGMPV2_HOST_MEMBERSHIP_REPORT:
case IGMPV3_HOST_MEMBERSHIP_REPORT:
/* Is it our report looped back? */
if (skb->rtable->fl.iif == 0)
if (skb_rtable(skb)->fl.iif == 0)
break;
/* don't rely on MC router hearing unicast reports */
if (skb->pkt_type == PACKET_MULTICAST ||

2
net/ipv4/ip_forward.c
View file

@ -81,7 +81,7 @@ int ip_forward(struct sk_buff *skb)
if (!xfrm4_route_forward(skb))
goto drop;
rt = skb->rtable;
rt = skb_rtable(skb);
if (opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
goto sr_failed;

4
net/ipv4/ip_gre.c
View file

@ -602,7 +602,7 @@ static int ipgre_rcv(struct sk_buff *skb)
#ifdef CONFIG_NET_IPGRE_BROADCAST
if (ipv4_is_multicast(iph->daddr)) {
/* Looped back packet, drop it! */
if (skb->rtable->fl.iif == 0)
if (skb_rtable(skb)->fl.iif == 0)
goto drop;
stats->multicast++;
skb->pkt_type = PACKET_BROADCAST;
@ -704,7 +704,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
}
if (skb->protocol == htons(ETH_P_IP)) {
rt = skb->rtable;
rt = skb_rtable(skb);
if ((dst = rt->rt_gateway) == 0)
goto tx_error_icmp;
}

2
net/ipv4/ip_input.c
View file

@ -357,7 +357,7 @@ static int ip_rcv_finish(struct sk_buff *skb)
if (iph->ihl > 5 && ip_rcv_options(skb))
goto drop;
rt = skb->rtable;
rt = skb_rtable(skb);
if (rt->rt_type == RTN_MULTICAST) {
IP_UPD_PO_STATS_BH(dev_net(rt->u.dst.dev), IPSTATS_MIB_INMCAST,
skb->len);

16
net/ipv4/ip_options.c
View file

@ -102,7 +102,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
sptr = skb_network_header(skb);
dptr = dopt->__data;
daddr = skb->rtable->rt_spec_dst;
daddr = skb_rtable(skb)->rt_spec_dst;
if (sopt->rr) {
optlen = sptr[sopt->rr+1];
@ -257,7 +257,7 @@ int ip_options_compile(struct net *net,
struct rtable *rt = NULL;
if (skb != NULL) {
rt = skb->rtable;
rt = skb_rtable(skb);
optptr = (unsigned char *)&(ip_hdr(skb)[1]);
} else
optptr = opt->__data;
@ -550,7 +550,7 @@ void ip_forward_options(struct sk_buff *skb)
{
struct ip_options * opt = &(IPCB(skb)->opt);
unsigned char * optptr;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
unsigned char *raw = skb_network_header(skb);
if (opt->rr_needaddr) {
@ -598,7 +598,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
__be32 nexthop;
struct iphdr *iph = ip_hdr(skb);
unsigned char *optptr = skb_network_header(skb) + opt->srr;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct rtable *rt2;
int err;
@ -623,13 +623,13 @@ int ip_options_rcv_srr(struct sk_buff *skb)
}
memcpy(&nexthop, &optptr[srrptr-1], 4);
rt = skb->rtable;
skb->rtable = NULL;
rt = skb_rtable(skb);
skb->dst = NULL;
err = ip_route_input(skb, nexthop, iph->saddr, iph->tos, skb->dev);
rt2 = skb->rtable;
rt2 = skb_rtable(skb);
if (err || (rt2->rt_type != RTN_UNICAST && rt2->rt_type != RTN_LOCAL)) {
ip_rt_put(rt2);
skb->rtable = rt;
skb->dst = &rt->u.dst;
return -EINVAL;
}
ip_rt_put(rt);

10
net/ipv4/ip_output.c
View file

@ -140,7 +140,7 @@ 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 = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct iphdr *iph;
/* Build the IP header. */
@ -238,7 +238,7 @@ 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 = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct net_device *dev = rt->u.dst.dev;
/*
@ -319,7 +319,7 @@ 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 = skb->rtable;
rt = skb_rtable(skb);
if (rt != NULL)
goto packet_routed;
@ -440,7 +440,7 @@ 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 = skb->rtable;
struct rtable *rt = skb_rtable(skb);
int err = 0;
dev = rt->u.dst.dev;
@ -1362,7 +1362,7 @@ 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 = skb->rtable;
struct rtable *rt = skb_rtable(skb);
if (ip_options_echo(&replyopts.opt, skb))
return;

2
net/ipv4/ip_sockglue.c
View file

@ -57,7 +57,7 @@
static void ip_cmsg_recv_pktinfo(struct msghdr *msg, struct sk_buff *skb)
{
struct in_pktinfo info;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
info.ipi_addr.s_addr = ip_hdr(skb)->daddr;
if (rt) {

2
net/ipv4/ipip.c
View file

@ -416,7 +416,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
if (!dst) {
/* NBMA tunnel */
if ((rt = skb->rtable) == NULL) {
if ((rt = skb_rtable(skb)) == NULL) {
stats->tx_fifo_errors++;
goto tx_error;
}

6
net/ipv4/ipmr.c
View file

@ -1354,7 +1354,7 @@ static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local
if (net->ipv4.vif_table[vif].dev != skb->dev) {
int true_vifi;
if (skb->rtable->fl.iif == 0) {
if (skb_rtable(skb)->fl.iif == 0) {
/* It is our own packet, looped back.
Very complicated situation...
@ -1430,7 +1430,7 @@ int ip_mr_input(struct sk_buff *skb)
{
struct mfc_cache *cache;
struct net *net = dev_net(skb->dev);
int local = skb->rtable->rt_flags&RTCF_LOCAL;
int local = skb_rtable(skb)->rt_flags & RTCF_LOCAL;
/* Packet is looped back after forward, it should not be
forwarded second time, but still can be delivered locally.
@ -1646,7 +1646,7 @@ int ipmr_get_route(struct net *net,
{
int err;
struct mfc_cache *cache;
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
read_lock(&mrt_lock);
cache = ipmr_cache_find(net, rt->rt_src, rt->rt_dst);

2
net/ipv4/netfilter/ipt_MASQUERADE.c
View file

@ -72,7 +72,7 @@ masquerade_tg(struct sk_buff *skb, const struct xt_target_param *par)
return NF_ACCEPT;
mr = par->targinfo;
rt = skb->rtable;
rt = skb_rtable(skb);
newsrc = inet_select_addr(par->out, rt->rt_gateway, RT_SCOPE_UNIVERSE);
if (!newsrc) {
printk("MASQUERADE: %s ate my IP address\n", par->out->name);

4
net/ipv4/netfilter/nf_nat_helper.c
View file

@ -140,7 +140,7 @@ nf_nat_mangle_tcp_packet(struct sk_buff *skb,
const char *rep_buffer,
unsigned int rep_len)
{
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct iphdr *iph;
struct tcphdr *tcph;
int oldlen, datalen;
@ -218,7 +218,7 @@ nf_nat_mangle_udp_packet(struct sk_buff *skb,
const char *rep_buffer,
unsigned int rep_len)
{
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct iphdr *iph;
struct udphdr *udph;
int datalen, oldlen;

37
net/ipv4/route.c
View file

@ -1064,7 +1064,8 @@ work_done:
out: return 0;
}
static int rt_intern_hash(unsigned hash, struct rtable *rt, struct rtable **rp)
static int rt_intern_hash(unsigned hash, struct rtable *rt,
struct rtable **rp, struct sk_buff *skb)
{
struct rtable *rth, **rthp;
unsigned long now;
@ -1114,7 +1115,10 @@ restart:
spin_unlock_bh(rt_hash_lock_addr(hash));
rt_drop(rt);
*rp = rth;
if (rp)
*rp = rth;
else
skb->dst = &rth->u.dst;
return 0;
}
@ -1210,7 +1214,10 @@ restart:
rcu_assign_pointer(rt_hash_table[hash].chain, rt);
spin_unlock_bh(rt_hash_lock_addr(hash));
*rp = rt;
if (rp)
*rp = rt;
else
skb->dst = &rt->u.dst;
return 0;
}
@ -1407,7 +1414,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
&netevent);
rt_del(hash, rth);
if (!rt_intern_hash(hash, rt, &rt))
if (!rt_intern_hash(hash, rt, &rt, NULL))
ip_rt_put(rt);
goto do_next;
}
@ -1473,7 +1480,7 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
void ip_rt_send_redirect(struct sk_buff *skb)
{
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct in_device *in_dev = in_dev_get(rt->u.dst.dev);
if (!in_dev)
@ -1521,7 +1528,7 @@ out:
static int ip_error(struct sk_buff *skb)
{
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
unsigned long now;
int code;
@ -1698,7 +1705,7 @@ static void ipv4_link_failure(struct sk_buff *skb)
icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0);
rt = skb->rtable;
rt = skb_rtable(skb);
if (rt)
dst_set_expires(&rt->u.dst, 0);
}
@ -1858,7 +1865,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
in_dev_put(in_dev);
hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
return rt_intern_hash(hash, rth, &skb->rtable);
return rt_intern_hash(hash, rth, NULL, skb);
e_nobufs:
in_dev_put(in_dev);
@ -2019,7 +2026,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
/* put it into the cache */
hash = rt_hash(daddr, saddr, fl->iif,
rt_genid(dev_net(rth->u.dst.dev)));
return rt_intern_hash(hash, rth, &skb->rtable);
return rt_intern_hash(hash, rth, NULL, skb);
}
/*
@ -2175,7 +2182,7 @@ local_input:
}
rth->rt_type = res.type;
hash = rt_hash(daddr, saddr, fl.iif, rt_genid(net));
err = rt_intern_hash(hash, rth, &skb->rtable);
err = rt_intern_hash(hash, rth, NULL, skb);
goto done;
no_route:
@ -2244,7 +2251,7 @@ int ip_route_input(struct sk_buff *skb, __be32 daddr, __be32 saddr,
dst_use(&rth->u.dst, jiffies);
RT_CACHE_STAT_INC(in_hit);
rcu_read_unlock();
skb->rtable = rth;
skb->dst = &rth->u.dst;
return 0;
}
RT_CACHE_STAT_INC(in_hlist_search);
@ -2420,7 +2427,7 @@ static int ip_mkroute_output(struct rtable **rp,
if (err == 0) {
hash = rt_hash(oldflp->fl4_dst, oldflp->fl4_src, oldflp->oif,
rt_genid(dev_net(dev_out)));
err = rt_intern_hash(hash, rth, rp);
err = rt_intern_hash(hash, rth, rp, NULL);
}
return err;
@ -2763,7 +2770,7 @@ static int rt_fill_info(struct net *net,
struct sk_buff *skb, u32 pid, u32 seq, int event,
int nowait, unsigned int flags)
{
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct rtmsg *r;
struct nlmsghdr *nlh;
long expires;
@ -2907,7 +2914,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
err = ip_route_input(skb, dst, src, rtm->rtm_tos, dev);
local_bh_enable();
rt = skb->rtable;
rt = skb_rtable(skb);
if (err == 0 && rt->u.dst.error)
err = -rt->u.dst.error;
} else {
@ -2927,7 +2934,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
if (err)
goto errout_free;
skb->rtable = rt;
skb->dst = &rt->u.dst;
if (rtm->rtm_flags & RTM_F_NOTIFY)
rt->rt_flags |= RTCF_NOTIFY;

4
net/ipv4/tcp_ipv4.c
View file

@ -546,7 +546,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
if (th->rst)
return;
if (skb->rtable->rt_type != RTN_LOCAL)
if (skb_rtable(skb)->rt_type != RTN_LOCAL)
return;
/* Swap the send and the receive. */
@ -1185,7 +1185,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
#endif
/* Never answer to SYNs send to broadcast or multicast */
if (skb->rtable->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
goto drop;
/* TW buckets are converted to open requests without

2
net/netfilter/nf_conntrack_netbios_ns.c
View file

@ -48,7 +48,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
{
struct nf_conntrack_expect *exp;
struct iphdr *iph = ip_hdr(skb);
struct rtable *rt = skb->rtable;
struct rtable *rt = skb_rtable(skb);
struct in_device *in_dev;
__be32 mask = 0;

4
net/sched/em_meta.c
View file

@ -258,10 +258,10 @@ META_COLLECTOR(int_rtclassid)
META_COLLECTOR(int_rtiif)
{
if (unlikely(skb->rtable == NULL))
if (unlikely(skb_rtable(skb) == NULL))
*err = -1;
else
dst->value = skb->rtable->fl.iif;
dst->value = skb_rtable(skb)->fl.iif;
}
/**************************************************************************

8
net/sctp/protocol.c
View file

@ -393,7 +393,7 @@ static int sctp_v4_addr_valid(union sctp_addr *addr,
return 0;
/* Is this a broadcast address? */
if (skb && skb->rtable->rt_flags & RTCF_BROADCAST)
if (skb && skb_rtable(skb)->rt_flags & RTCF_BROADCAST)
return 0;
return 1;
@ -572,7 +572,7 @@ static void sctp_v4_get_saddr(struct sctp_sock *sk,
/* What interface did this skb arrive on? */
static int sctp_v4_skb_iif(const struct sk_buff *skb)
{
return skb->rtable->rt_iif;
return skb_rtable(skb)->rt_iif;
}
/* Was this packet marked by Explicit Congestion Notification? */
@ -848,8 +848,8 @@ static inline int sctp_v4_xmit(struct sk_buff *skb,
SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, src:%pI4, dst:%pI4\n",
__func__, skb, skb->len,
&skb->rtable->rt_src,
&skb->rtable->rt_dst);
&skb_rtable(skb)->rt_src,
&skb_rtable(skb)->rt_dst);
inet->pmtudisc = transport->param_flags & SPP_PMTUD_ENABLE ?
IP_PMTUDISC_DO : IP_PMTUDISC_DONT;