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authorHerbert Xu <herbert@gondor.apana.org.au>2007-10-15 00:53:15 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-15 12:26:29 -0700
commit3db05fea51cdb162cfa8f69e9cfb9e228919d2a9 (patch)
tree0d0e4c18cdf2dcb7321035f6614628a2ddfb502d /net/ipv4
parent2ca7b0ac022aa0158599178fe1056b1ba9ec8b97 (diff)
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[NETFILTER]: Replace sk_buff ** with sk_buff *
With all the users of the double pointers removed, this patch mops up by finally replacing all occurances of sk_buff ** in the netfilter API by sk_buff *. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
-rw-r--r--net/ipv4/ipvs/ip_vs_app.c32
-rw-r--r--net/ipv4/ipvs/ip_vs_core.c36
-rw-r--r--net/ipv4/ipvs/ip_vs_ftp.c18
-rw-r--r--net/ipv4/ipvs/ip_vs_proto_tcp.c50
-rw-r--r--net/ipv4/ipvs/ip_vs_proto_udp.c50
-rw-r--r--net/ipv4/ipvs/ip_vs_xmit.c2
-rw-r--r--net/ipv4/netfilter.c58
-rw-r--r--net/ipv4/netfilter/arp_tables.c20
-rw-r--r--net/ipv4/netfilter/arpt_mangle.c16
-rw-r--r--net/ipv4/netfilter/arptable_filter.c4
-rw-r--r--net/ipv4/netfilter/ip_tables.c20
-rw-r--r--net/ipv4/netfilter/ipt_CLUSTERIP.c14
-rw-r--r--net/ipv4/netfilter/ipt_ECN.c27
-rw-r--r--net/ipv4/netfilter/ipt_LOG.c4
-rw-r--r--net/ipv4/netfilter/ipt_MASQUERADE.c6
-rw-r--r--net/ipv4/netfilter/ipt_NETMAP.c8
-rw-r--r--net/ipv4/netfilter/ipt_REDIRECT.c6
-rw-r--r--net/ipv4/netfilter/ipt_REJECT.c22
-rw-r--r--net/ipv4/netfilter/ipt_SAME.c4
-rw-r--r--net/ipv4/netfilter/ipt_TOS.c8
-rw-r--r--net/ipv4/netfilter/ipt_TTL.c6
-rw-r--r--net/ipv4/netfilter/ipt_ULOG.c4
-rw-r--r--net/ipv4/netfilter/iptable_filter.c12
-rw-r--r--net/ipv4/netfilter/iptable_mangle.c22
-rw-r--r--net/ipv4/netfilter/iptable_raw.c12
-rw-r--r--net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c30
-rw-r--r--net/ipv4/netfilter/nf_nat_amanda.c4
-rw-r--r--net/ipv4/netfilter/nf_nat_core.c50
-rw-r--r--net/ipv4/netfilter/nf_nat_ftp.c18
-rw-r--r--net/ipv4/netfilter/nf_nat_h323.c58
-rw-r--r--net/ipv4/netfilter/nf_nat_helper.c110
-rw-r--r--net/ipv4/netfilter/nf_nat_irc.c4
-rw-r--r--net/ipv4/netfilter/nf_nat_pptp.c8
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_gre.c8
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_icmp.c10
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_tcp.c16
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_udp.c16
-rw-r--r--net/ipv4/netfilter/nf_nat_proto_unknown.c2
-rw-r--r--net/ipv4/netfilter/nf_nat_rule.c14
-rw-r--r--net/ipv4/netfilter/nf_nat_sip.c56
-rw-r--r--net/ipv4/netfilter/nf_nat_snmp_basic.c14
-rw-r--r--net/ipv4/netfilter/nf_nat_standalone.c62
-rw-r--r--net/ipv4/netfilter/nf_nat_tftp.c2
-rw-r--r--net/ipv4/xfrm4_output.c4
44 files changed, 463 insertions, 484 deletions
diff --git a/net/ipv4/ipvs/ip_vs_app.c b/net/ipv4/ipvs/ip_vs_app.c
index 8ca5f4806a63..664cb8e97c1c 100644
--- a/net/ipv4/ipvs/ip_vs_app.c
+++ b/net/ipv4/ipvs/ip_vs_app.c
@@ -329,18 +329,18 @@ static inline void vs_seq_update(struct ip_vs_conn *cp, struct ip_vs_seq *vseq,
spin_unlock(&cp->lock);
}
-static inline int app_tcp_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb,
+static inline int app_tcp_pkt_out(struct ip_vs_conn *cp, struct sk_buff *skb,
struct ip_vs_app *app)
{
int diff;
- const unsigned int tcp_offset = ip_hdrlen(*pskb);
+ const unsigned int tcp_offset = ip_hdrlen(skb);
struct tcphdr *th;
__u32 seq;
- if (!skb_make_writable(*pskb, tcp_offset + sizeof(*th)))
+ if (!skb_make_writable(skb, tcp_offset + sizeof(*th)))
return 0;
- th = (struct tcphdr *)(skb_network_header(*pskb) + tcp_offset);
+ th = (struct tcphdr *)(skb_network_header(skb) + tcp_offset);
/*
* Remember seq number in case this pkt gets resized
@@ -361,7 +361,7 @@ static inline int app_tcp_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb,
if (app->pkt_out == NULL)
return 1;
- if (!app->pkt_out(app, cp, pskb, &diff))
+ if (!app->pkt_out(app, cp, skb, &diff))
return 0;
/*
@@ -379,7 +379,7 @@ static inline int app_tcp_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb,
* called by ipvs packet handler, assumes previously checked cp!=NULL
* returns false if it can't handle packet (oom)
*/
-int ip_vs_app_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb)
+int ip_vs_app_pkt_out(struct ip_vs_conn *cp, struct sk_buff *skb)
{
struct ip_vs_app *app;
@@ -392,7 +392,7 @@ int ip_vs_app_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb)
/* TCP is complicated */
if (cp->protocol == IPPROTO_TCP)
- return app_tcp_pkt_out(cp, pskb, app);
+ return app_tcp_pkt_out(cp, skb, app);
/*
* Call private output hook function
@@ -400,22 +400,22 @@ int ip_vs_app_pkt_out(struct ip_vs_conn *cp, struct sk_buff **pskb)
if (app->pkt_out == NULL)
return 1;
- return app->pkt_out(app, cp, pskb, NULL);
+ return app->pkt_out(app, cp, skb, NULL);
}
-static inline int app_tcp_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb,
+static inline int app_tcp_pkt_in(struct ip_vs_conn *cp, struct sk_buff *skb,
struct ip_vs_app *app)
{
int diff;
- const unsigned int tcp_offset = ip_hdrlen(*pskb);
+ const unsigned int tcp_offset = ip_hdrlen(skb);
struct tcphdr *th;
__u32 seq;
- if (!skb_make_writable(*pskb, tcp_offset + sizeof(*th)))
+ if (!skb_make_writable(skb, tcp_offset + sizeof(*th)))
return 0;
- th = (struct tcphdr *)(skb_network_header(*pskb) + tcp_offset);
+ th = (struct tcphdr *)(skb_network_header(skb) + tcp_offset);
/*
* Remember seq number in case this pkt gets resized
@@ -436,7 +436,7 @@ static inline int app_tcp_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb,
if (app->pkt_in == NULL)
return 1;
- if (!app->pkt_in(app, cp, pskb, &diff))
+ if (!app->pkt_in(app, cp, skb, &diff))
return 0;
/*
@@ -454,7 +454,7 @@ static inline int app_tcp_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb,
* called by ipvs packet handler, assumes previously checked cp!=NULL.
* returns false if can't handle packet (oom).
*/
-int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb)
+int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff *skb)
{
struct ip_vs_app *app;
@@ -467,7 +467,7 @@ int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb)
/* TCP is complicated */
if (cp->protocol == IPPROTO_TCP)
- return app_tcp_pkt_in(cp, pskb, app);
+ return app_tcp_pkt_in(cp, skb, app);
/*
* Call private input hook function
@@ -475,7 +475,7 @@ int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff **pskb)
if (app->pkt_in == NULL)
return 1;
- return app->pkt_in(app, cp, pskb, NULL);
+ return app->pkt_in(app, cp, skb, NULL);
}
diff --git a/net/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c
index 09cac38580fe..c6ed7654e839 100644
--- a/net/ipv4/ipvs/ip_vs_core.c
+++ b/net/ipv4/ipvs/ip_vs_core.c
@@ -488,12 +488,12 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
* for VS/NAT.
*/
static unsigned int ip_vs_post_routing(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- if (!((*pskb)->ipvs_property))
+ if (!skb->ipvs_property)
return NF_ACCEPT;
/* The packet was sent from IPVS, exit this chain */
return NF_STOP;
@@ -569,9 +569,8 @@ void ip_vs_nat_icmp(struct sk_buff *skb, struct ip_vs_protocol *pp,
* Currently handles error types - unreachable, quench, ttl exceeded.
* (Only used in VS/NAT)
*/
-static int ip_vs_out_icmp(struct sk_buff **pskb, int *related)
+static int ip_vs_out_icmp(struct sk_buff *skb, int *related)
{
- struct sk_buff *skb = *pskb;
struct iphdr *iph;
struct icmphdr _icmph, *ic;
struct iphdr _ciph, *cih; /* The ip header contained within the ICMP */
@@ -685,11 +684,10 @@ static inline int is_tcp_reset(const struct sk_buff *skb)
* rewrite addresses of the packet and send it on its way...
*/
static unsigned int
-ip_vs_out(unsigned int hooknum, struct sk_buff **pskb,
+ip_vs_out(unsigned int hooknum, struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- struct sk_buff *skb = *pskb;
struct iphdr *iph;
struct ip_vs_protocol *pp;
struct ip_vs_conn *cp;
@@ -702,11 +700,10 @@ ip_vs_out(unsigned int hooknum, struct sk_buff **pskb,
iph = ip_hdr(skb);
if (unlikely(iph->protocol == IPPROTO_ICMP)) {
- int related, verdict = ip_vs_out_icmp(pskb, &related);
+ int related, verdict = ip_vs_out_icmp(skb, &related);
if (related)
return verdict;
- skb = *pskb;
iph = ip_hdr(skb);
}
@@ -765,9 +762,8 @@ ip_vs_out(unsigned int hooknum, struct sk_buff **pskb,
goto drop;
/* mangle the packet */
- if (pp->snat_handler && !pp->snat_handler(pskb, pp, cp))
+ if (pp->snat_handler && !pp->snat_handler(skb, pp, cp))
goto drop;
- skb = *pskb;
ip_hdr(skb)->saddr = cp->vaddr;
ip_send_check(ip_hdr(skb));
@@ -777,9 +773,8 @@ ip_vs_out(unsigned int hooknum, struct sk_buff **pskb,
* if it came from this machine itself. So re-compute
* the routing information.
*/
- if (ip_route_me_harder(pskb, RTN_LOCAL) != 0)
+ if (ip_route_me_harder(skb, RTN_LOCAL) != 0)
goto drop;
- skb = *pskb;
IP_VS_DBG_PKT(10, pp, skb, 0, "After SNAT");
@@ -794,7 +789,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff **pskb,
drop:
ip_vs_conn_put(cp);
- kfree_skb(*pskb);
+ kfree_skb(skb);
return NF_STOLEN;
}
@@ -806,9 +801,8 @@ ip_vs_out(unsigned int hooknum, struct sk_buff **pskb,
* Currently handles error types - unreachable, quench, ttl exceeded.
*/
static int
-ip_vs_in_icmp(struct sk_buff **pskb, int *related, unsigned int hooknum)
+ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
{
- struct sk_buff *skb = *pskb;
struct iphdr *iph;
struct icmphdr _icmph, *ic;
struct iphdr _ciph, *cih; /* The ip header contained within the ICMP */
@@ -901,11 +895,10 @@ ip_vs_in_icmp(struct sk_buff **pskb, int *related, unsigned int hooknum)
* and send it on its way...
*/
static unsigned int
-ip_vs_in(unsigned int hooknum, struct sk_buff **pskb,
+ip_vs_in(unsigned int hooknum, struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- struct sk_buff *skb = *pskb;
struct iphdr *iph;
struct ip_vs_protocol *pp;
struct ip_vs_conn *cp;
@@ -927,11 +920,10 @@ ip_vs_in(unsigned int hooknum, struct sk_buff **pskb,
iph = ip_hdr(skb);
if (unlikely(iph->protocol == IPPROTO_ICMP)) {
- int related, verdict = ip_vs_in_icmp(pskb, &related, hooknum);
+ int related, verdict = ip_vs_in_icmp(skb, &related, hooknum);
if (related)
return verdict;
- skb = *pskb;
iph = ip_hdr(skb);
}
@@ -1012,16 +1004,16 @@ ip_vs_in(unsigned int hooknum, struct sk_buff **pskb,
* and send them to ip_vs_in_icmp.
*/
static unsigned int
-ip_vs_forward_icmp(unsigned int hooknum, struct sk_buff **pskb,
+ip_vs_forward_icmp(unsigned int hooknum, struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
int r;
- if (ip_hdr(*pskb)->protocol != IPPROTO_ICMP)
+ if (ip_hdr(skb)->protocol != IPPROTO_ICMP)
return NF_ACCEPT;
- return ip_vs_in_icmp(pskb, &r, hooknum);
+ return ip_vs_in_icmp(skb, &r, hooknum);
}
diff --git a/net/ipv4/ipvs/ip_vs_ftp.c b/net/ipv4/ipvs/ip_vs_ftp.c
index 4167d419b666..59aa166b7678 100644
--- a/net/ipv4/ipvs/ip_vs_ftp.c
+++ b/net/ipv4/ipvs/ip_vs_ftp.c
@@ -136,7 +136,7 @@ static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
* xxx,xxx,xxx,xxx is the server address, ppp,ppp is the server port number.
*/
static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
- struct sk_buff **pskb, int *diff)
+ struct sk_buff *skb, int *diff)
{
struct iphdr *iph;
struct tcphdr *th;
@@ -156,14 +156,14 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
return 1;
/* Linear packets are much easier to deal with. */
- if (!skb_make_writable(*pskb, (*pskb)->len))
+ if (!skb_make_writable(skb, skb->len))
return 0;
if (cp->app_data == &ip_vs_ftp_pasv) {
- iph = ip_hdr(*pskb);
+ iph = ip_hdr(skb);
th = (struct tcphdr *)&(((char *)iph)[iph->ihl*4]);
data = (char *)th + (th->doff << 2);
- data_limit = skb_tail_pointer(*pskb);
+ data_limit = skb_tail_pointer(skb);
if (ip_vs_ftp_get_addrport(data, data_limit,
SERVER_STRING,
@@ -214,7 +214,7 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
memcpy(start, buf, buf_len);
ret = 1;
} else {
- ret = !ip_vs_skb_replace(*pskb, GFP_ATOMIC, start,
+ ret = !ip_vs_skb_replace(skb, GFP_ATOMIC, start,
end-start, buf, buf_len);
}
@@ -239,7 +239,7 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
* the client.
*/
static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
- struct sk_buff **pskb, int *diff)
+ struct sk_buff *skb, int *diff)
{
struct iphdr *iph;
struct tcphdr *th;
@@ -257,20 +257,20 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
return 1;
/* Linear packets are much easier to deal with. */
- if (!skb_make_writable(*pskb, (*pskb)->len))
+ if (!skb_make_writable(skb, skb->len))
return 0;
/*
* Detecting whether it is passive
*/
- iph = ip_hdr(*pskb);
+ iph = ip_hdr(skb);
th = (struct tcphdr *)&(((char *)iph)[iph->ihl*4]);
/* Since there may be OPTIONS in the TCP packet and the HLEN is
the length of the header in 32-bit multiples, it is accurate
to calculate data address by th+HLEN*4 */
data = data_start = (char *)th + (th->doff << 2);
- data_limit = skb_tail_pointer(*pskb);
+ data_limit = skb_tail_pointer(skb);
while (data <= data_limit - 6) {
if (strnicmp(data, "PASV\r\n", 6) == 0) {
diff --git a/net/ipv4/ipvs/ip_vs_proto_tcp.c b/net/ipv4/ipvs/ip_vs_proto_tcp.c
index b65b1a352ba3..12dc0d640b6d 100644
--- a/net/ipv4/ipvs/ip_vs_proto_tcp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_tcp.c
@@ -123,27 +123,27 @@ tcp_fast_csum_update(struct tcphdr *tcph, __be32 oldip, __be32 newip,
static int
-tcp_snat_handler(struct sk_buff **pskb,
+tcp_snat_handler(struct sk_buff *skb,
struct ip_vs_protocol *pp, struct ip_vs_conn *cp)
{
struct tcphdr *tcph;
- const unsigned int tcphoff = ip_hdrlen(*pskb);
+ const unsigned int tcphoff = ip_hdrlen(skb);
/* csum_check requires unshared skb */
- if (!skb_make_writable(*pskb, tcphoff+sizeof(*tcph)))
+ if (!skb_make_writable(skb, tcphoff+sizeof(*tcph)))
return 0;
if (unlikely(cp->app != NULL)) {
/* Some checks before mangling */
- if (pp->csum_check && !pp->csum_check(*pskb, pp))
+ if (pp->csum_check && !pp->csum_check(skb, pp))
return 0;
/* Call application helper if needed */
- if (!ip_vs_app_pkt_out(cp, pskb))
+ if (!ip_vs_app_pkt_out(cp, skb))
return 0;
}
- tcph = (void *)ip_hdr(*pskb) + tcphoff;
+ tcph = (void *)ip_hdr(skb) + tcphoff;
tcph->source = cp->vport;
/* Adjust TCP checksums */
@@ -151,17 +151,15 @@ tcp_snat_handler(struct sk_buff **pskb,
/* Only port and addr are changed, do fast csum update */
tcp_fast_csum_update(tcph, cp->daddr, cp->vaddr,
cp->dport, cp->vport);
- if ((*pskb)->ip_summed == CHECKSUM_COMPLETE)
- (*pskb)->ip_summed = CHECKSUM_NONE;
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
+ skb->ip_summed = CHECKSUM_NONE;
} else {
/* full checksum calculation */
tcph->check = 0;
- (*pskb)->csum = skb_checksum(*pskb, tcphoff,
- (*pskb)->len - tcphoff, 0);
+ skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0);
tcph->check = csum_tcpudp_magic(cp->vaddr, cp->caddr,
- (*pskb)->len - tcphoff,
- cp->protocol,
- (*pskb)->csum);
+ skb->len - tcphoff,
+ cp->protocol, skb->csum);
IP_VS_DBG(11, "O-pkt: %s O-csum=%d (+%zd)\n",
pp->name, tcph->check,
(char*)&(tcph->check) - (char*)tcph);
@@ -171,30 +169,30 @@ tcp_snat_handler(struct sk_buff **pskb,
static int
-tcp_dnat_handler(struct sk_buff **pskb,
+tcp_dnat_handler(struct sk_buff *skb,
struct ip_vs_protocol *pp, struct ip_vs_conn *cp)
{
struct tcphdr *tcph;
- const unsigned int tcphoff = ip_hdrlen(*pskb);
+ const unsigned int tcphoff = ip_hdrlen(skb);
/* csum_check requires unshared skb */
- if (!skb_make_writable(*pskb, tcphoff+sizeof(*tcph)))
+ if (!skb_make_writable(skb, tcphoff+sizeof(*tcph)))
return 0;
if (unlikely(cp->app != NULL)) {
/* Some checks before mangling */
- if (pp->csum_check && !pp->csum_check(*pskb, pp))
+ if (pp->csum_check && !pp->csum_check(skb, pp))
return 0;
/*
* Attempt ip_vs_app call.
* It will fix ip_vs_conn and iph ack_seq stuff
*/
- if (!ip_vs_app_pkt_in(cp, pskb))
+ if (!ip_vs_app_pkt_in(cp, skb))
return 0;
}
- tcph = (void *)ip_hdr(*pskb) + tcphoff;
+ tcph = (void *)ip_hdr(skb) + tcphoff;
tcph->dest = cp->dport;
/*
@@ -204,18 +202,16 @@ tcp_dnat_handler(struct sk_buff **pskb,
/* Only port and addr are changed, do fast csum update */
tcp_fast_csum_update(tcph, cp->vaddr, cp->daddr,
cp->vport, cp->dport);
- if ((*pskb)->ip_summed == CHECKSUM_COMPLETE)
- (*pskb)->ip_summed = CHECKSUM_NONE;
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
+ skb->ip_summed = CHECKSUM_NONE;
} else {
/* full checksum calculation */
tcph->check = 0;
- (*pskb)->csum = skb_checksum(*pskb, tcphoff,
- (*pskb)->len - tcphoff, 0);
+ skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0);
tcph->check = csum_tcpudp_magic(cp->caddr, cp->daddr,
- (*pskb)->len - tcphoff,
- cp->protocol,
- (*pskb)->csum);
- (*pskb)->ip_summed = CHECKSUM_UNNECESSARY;
+ skb->len - tcphoff,
+ cp->protocol, skb->csum);
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
}
return 1;
}
diff --git a/net/ipv4/ipvs/ip_vs_proto_udp.c b/net/ipv4/ipvs/ip_vs_proto_udp.c
index c70aa40e2c9d..1fa7b330b9ac 100644
--- a/net/ipv4/ipvs/ip_vs_proto_udp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_udp.c
@@ -130,29 +130,29 @@ udp_fast_csum_update(struct udphdr *uhdr, __be32 oldip, __be32 newip,
}
static int
-udp_snat_handler(struct sk_buff **pskb,
+udp_snat_handler(struct sk_buff *skb,
struct ip_vs_protocol *pp, struct ip_vs_conn *cp)
{
struct udphdr *udph;
- const unsigned int udphoff = ip_hdrlen(*pskb);
+ const unsigned int udphoff = ip_hdrlen(skb);
/* csum_check requires unshared skb */
- if (!skb_make_writable(*pskb, udphoff+sizeof(*udph)))
+ if (!skb_make_writable(skb, udphoff+sizeof(*udph)))
return 0;
if (unlikely(cp->app != NULL)) {
/* Some checks before mangling */
- if (pp->csum_check && !pp->csum_check(*pskb, pp))
+ if (pp->csum_check && !pp->csum_check(skb, pp))
return 0;
/*
* Call application helper if needed
*/
- if (!ip_vs_app_pkt_out(cp, pskb))
+ if (!ip_vs_app_pkt_out(cp, skb))
return 0;
}
- udph = (void *)ip_hdr(*pskb) + udphoff;
+ udph = (void *)ip_hdr(skb) + udphoff;
udph->source = cp->vport;
/*
@@ -162,17 +162,15 @@ udp_snat_handler(struct sk_buff **pskb,
/* Only port and addr are changed, do fast csum update */
udp_fast_csum_update(udph, cp->daddr, cp->vaddr,
cp->dport, cp->vport);
- if ((*pskb)->ip_summed == CHECKSUM_COMPLETE)
- (*pskb)->ip_summed = CHECKSUM_NONE;
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
+ skb->ip_summed = CHECKSUM_NONE;
} else {
/* full checksum calculation */
udph->check = 0;
- (*pskb)->csum = skb_checksum(*pskb, udphoff,
- (*pskb)->len - udphoff, 0);
+ skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0);
udph->check = csum_tcpudp_magic(cp->vaddr, cp->caddr,
- (*pskb)->len - udphoff,
- cp->protocol,
- (*pskb)->csum);
+ skb->len - udphoff,
+ cp->protocol, skb->csum);
if (udph->check == 0)
udph->check = CSUM_MANGLED_0;
IP_VS_DBG(11, "O-pkt: %s O-csum=%d (+%zd)\n",
@@ -184,30 +182,30 @@ udp_snat_handler(struct sk_buff **pskb,
static int
-udp_dnat_handler(struct sk_buff **pskb,
+udp_dnat_handler(struct sk_buff *skb,
struct ip_vs_protocol *pp, struct ip_vs_conn *cp)
{
struct udphdr *udph;
- unsigned int udphoff = ip_hdrlen(*pskb);
+ unsigned int udphoff = ip_hdrlen(skb);
/* csum_check requires unshared skb */
- if (!skb_make_writable(*pskb, udphoff+sizeof(*udph)))
+ if (!skb_make_writable(skb, udphoff+sizeof(*udph)))
return 0;
if (unlikely(cp->app != NULL)) {
/* Some checks before mangling */
- if (pp->csum_check && !pp->csum_check(*pskb, pp))
+ if (pp->csum_check && !pp->csum_check(skb, pp))
return 0;
/*
* Attempt ip_vs_app call.
* It will fix ip_vs_conn
*/
- if (!ip_vs_app_pkt_in(cp, pskb))
+ if (!ip_vs_app_pkt_in(cp, skb))
return 0;
}
- udph = (void *)ip_hdr(*pskb) + udphoff;
+ udph = (void *)ip_hdr(skb) + udphoff;
udph->dest = cp->dport;
/*
@@ -217,20 +215,18 @@ udp_dnat_handler(struct sk_buff **pskb,
/* Only port and addr are changed, do fast csum update */
udp_fast_csum_update(udph, cp->vaddr, cp->daddr,
cp->vport, cp->dport);
- if ((*pskb)->ip_summed == CHECKSUM_COMPLETE)
- (*pskb)->ip_summed = CHECKSUM_NONE;
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
+ skb->ip_summed = CHECKSUM_NONE;
} else {
/* full checksum calculation */
udph->check = 0;
- (*pskb)->csum = skb_checksum(*pskb, udphoff,
- (*pskb)->len - udphoff, 0);
+ skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0);
udph->check = csum_tcpudp_magic(cp->caddr, cp->daddr,
- (*pskb)->len - udphoff,
- cp->protocol,
- (*pskb)->csum);
+ skb->len - udphoff,
+ cp->protocol, skb->csum);
if (udph->check == 0)
udph->check = CSUM_MANGLED_0;
- (*pskb)->ip_summed = CHECKSUM_UNNECESSARY;
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
}
return 1;
}
diff --git a/net/ipv4/ipvs/ip_vs_xmit.c b/net/ipv4/ipvs/ip_vs_xmit.c
index afd90d4d7399..d0a92dec1050 100644
--- a/net/ipv4/ipvs/ip_vs_xmit.c
+++ b/net/ipv4/ipvs/ip_vs_xmit.c
@@ -264,7 +264,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
skb->dst = &rt->u.dst;
/* mangle the packet */
- if (pp->dnat_handler && !pp->dnat_handler(&skb, pp, cp))
+ if (pp->dnat_handler && !pp->dnat_handler(skb, pp, cp))
goto tx_error;
ip_hdr(skb)->daddr = cp->daddr;
ip_send_check(ip_hdr(skb));
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index d1e3012d891f..5539debf4973 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -9,9 +9,9 @@
#include <net/ip.h>
/* route_me_harder function, used by iptable_nat, iptable_mangle + ip_queue */
-int ip_route_me_harder(struct sk_buff **pskb, unsigned addr_type)
+int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
{
- const struct iphdr *iph = ip_hdr(*pskb);
+ const struct iphdr *iph = ip_hdr(skb);
struct rtable *rt;
struct flowi fl = {};
struct dst_entry *odst;
@@ -30,14 +30,14 @@ int ip_route_me_harder(struct sk_buff **pskb, unsigned addr_type)
if (type == RTN_LOCAL)
fl.nl_u.ip4_u.saddr = iph->saddr;
fl.nl_u.ip4_u.tos = RT_TOS(iph->tos);
- fl.oif = (*pskb)->sk ? (*pskb)->sk->sk_bound_dev_if : 0;
- fl.mark = (*pskb)->mark;
+ fl.oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
+ fl.mark = skb->mark;
if (ip_route_output_key(&rt, &fl) != 0)
return -1;
/* Drop old route. */
- dst_release((*pskb)->dst);
- (*pskb)->dst = &rt->u.dst;
+ dst_release(skb->dst);
+ skb->dst = &rt->u.dst;
} else {
/* non-local src, find valid iif to satisfy
* rp-filter when calling ip_route_input. */
@@ -45,8 +45,8 @@ int ip_route_me_harder(struct sk_buff **pskb, unsigned addr_type)
if (ip_route_output_key(&rt, &fl) != 0)
return -1;
- odst = (*pskb)->dst;
- if (ip_route_input(*pskb, iph->daddr, iph->saddr,
+ odst = skb->dst;
+ if (ip_route_input(skb, iph->daddr, iph->saddr,
RT_TOS(iph->tos), rt->u.dst.dev) != 0) {
dst_release(&rt->u.dst);
return -1;
@@ -55,21 +55,20 @@ int ip_route_me_harder(struct sk_buff **pskb, unsigned addr_type)
dst_release(odst);
}
- if ((*pskb)->dst->error)
+ if (skb->dst->error)
return -1;
#ifdef CONFIG_XFRM
- if (!(IPCB(*pskb)->flags & IPSKB_XFRM_TRANSFORMED) &&
- xfrm_decode_session(*pskb, &fl, AF_INET) == 0)
- if (xfrm_lookup(&(*pskb)->dst, &fl, (*pskb)->sk, 0))
+ if (!(IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED) &&
+ xfrm_decode_session(skb, &fl, AF_INET) == 0)
+ if (xfrm_lookup(&skb->dst, &fl, skb->sk, 0))
return -1;
#endif
/* Change in oif may mean change in hh_len. */
- hh_len = (*pskb)->dst->dev->hard_header_len;
- if (skb_headroom(*pskb) < hh_len &&
- pskb_expand_head(*pskb, hh_len - skb_headroom(*pskb), 0,
- GFP_ATOMIC))
+ hh_len = skb->dst->dev->hard_header_len;
+ if (skb_headroom(skb) < hh_len &&
+ pskb_expand_head(skb, hh_len - skb_headroom(skb), 0, GFP_ATOMIC))
return -1;
return 0;
@@ -77,33 +76,32 @@ int ip_route_me_harder(struct sk_buff **pskb, unsigned addr_type)
EXPORT_SYMBOL(ip_route_me_harder);
#ifdef CONFIG_XFRM
-int ip_xfrm_me_harder(struct sk_buff **pskb)
+int ip_xfrm_me_harder(struct sk_buff *skb)
{
struct flowi fl;
unsigned int hh_len;
struct dst_entry *dst;
- if (IPCB(*pskb)->flags & IPSKB_XFRM_TRANSFORMED)
+ if (IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED)
return 0;
- if (xfrm_decode_session(*pskb, &fl, AF_INET) < 0)
+ if (xfrm_decode_session(skb, &fl, AF_INET) < 0)
return -1;
- dst = (*pskb)->dst;
+ dst = skb->dst;
if (dst->xfrm)
dst = ((struct xfrm_dst *)dst)->route;
dst_hold(dst);
- if (xfrm_lookup(&dst, &fl, (*pskb)->sk, 0) < 0)
+ if (xfrm_lookup(&dst, &fl, skb->sk, 0) < 0)
return -1;
- dst_release((*pskb)->dst);
- (*pskb)->dst = dst;
+ dst_release(skb->dst);
+ skb->dst = dst;
/* Change in oif may mean change in hh_len. */
- hh_len = (*pskb)->dst->dev->hard_header_len;
- if (skb_headroom(*pskb) < hh_len &&
- pskb_expand_head(*pskb, hh_len - skb_headroom(*pskb), 0,
- GFP_ATOMIC))
+ hh_len = skb->dst->dev->hard_header_len;
+ if (skb_headroom(skb) < hh_len &&
+ pskb_expand_head(skb, hh_len - skb_headroom(skb), 0, GFP_ATOMIC))
return -1;
return 0;
}
@@ -137,17 +135,17 @@ static void nf_ip_saveroute(const struct sk_buff *skb, struct nf_info *info)
}
}
-static int nf_ip_reroute(struct sk_buff **pskb, const struct nf_info *info)
+static int nf_ip_reroute(struct sk_buff *skb, const struct nf_info *info)
{
const struct ip_rt_info *rt_info = nf_info_reroute(info);
if (info->hook == NF_IP_LOCAL_OUT) {
- const struct iphdr *iph = ip_hdr(*pskb);
+ const struct iphdr *iph = ip_hdr(skb);
if (!(iph->tos == rt_info->tos
&& iph->daddr == rt_info->daddr
&& iph->saddr == rt_info->saddr))
- return ip_route_me_harder(pskb, RTN_UNSPEC);
+ return ip_route_me_harder(skb, RTN_UNSPEC);
}
return 0;
}
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index 29114a9ccd1d..2909c92ecd99 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -197,7 +197,7 @@ static inline int arp_checkentry(const struct arpt_arp *arp)
return 1;
}
-static unsigned int arpt_error(struct sk_buff **pskb,
+static unsigned int arpt_error(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -215,7 +215,7 @@ static inline struct arpt_entry *get_entry(void *base, unsigned int offset)
return (struct arpt_entry *)(base + offset);
}
-unsigned int arpt_do_table(struct sk_buff **pskb,
+unsigned int arpt_do_table(struct sk_buff *skb,
unsigned int hook,
const struct net_device *in,
const struct net_device *out,
@@ -231,9 +231,9 @@ unsigned int arpt_do_table(struct sk_buff **pskb,
struct xt_table_info *private;
/* ARP header, plus 2 device addresses, plus 2 IP addresses. */
- if (!pskb_may_pull((*pskb), (sizeof(struct arphdr) +
- (2 * (*pskb)->dev->addr_len) +
- (2 * sizeof(u32)))))
+ if (!pskb_may_pull(skb, (sizeof(struct arphdr) +
+ (2 * skb->dev->addr_len) +
+ (2 * sizeof(u32)))))
return NF_DROP;
indev = in ? in->name : nulldevname;
@@ -245,14 +245,14 @@ unsigned int arpt_do_table(struct sk_buff **pskb,
e = get_entry(table_base, private->hook_entry[hook]);
back = get_entry(table_base, private->underflow[hook]);
- arp = arp_hdr(*pskb);
+ arp = arp_hdr(skb);
do {
- if (arp_packet_match(arp, (*pskb)->dev, indev, outdev, &e->arp)) {
+ if (arp_packet_match(arp, skb->dev, indev, outdev, &e->arp)) {
struct arpt_entry_target *t;
int hdr_len;
hdr_len = sizeof(*arp) + (2 * sizeof(struct in_addr)) +
- (2 * (*pskb)->dev->addr_len);
+ (2 * skb->dev->addr_len);
ADD_COUNTER(e->counters, hdr_len, 1);
t = arpt_get_target(e);
@@ -290,14 +290,14 @@ unsigned int arpt_do_table(struct sk_buff **pskb,
/* Targets which reenter must return
* abs. verdicts
*/
- verdict = t->u.kernel.target->target(pskb,
+ verdict = t->u.kernel.target->target(skb,
in, out,
hook,
t->u.kernel.target,
t->data);
/* Target might have changed stuff. */
- arp = arp_hdr(*pskb);
+ arp = arp_hdr(skb);
if (verdict == ARPT_CONTINUE)
e = (void *)e + e->next_offset;
diff --git a/net/ipv4/netfilter/arpt_mangle.c b/net/ipv4/netfilter/arpt_mangle.c
index 0181f919a79c..45fa4e20094a 100644
--- a/net/ipv4/netfilter/arpt_mangle.c
+++ b/net/ipv4/netfilter/arpt_mangle.c
@@ -9,7 +9,7 @@ MODULE_AUTHOR("Bart De Schuymer <bdschuym@pandora.be>");
MODULE_DESCRIPTION("arptables arp payload mangle target");
static unsigned int
-target(struct sk_buff **pskb,
+target(struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
unsigned int hooknum, const struct xt_target *target,
const void *targinfo)
@@ -19,38 +19,38 @@ target(struct sk_buff **pskb,
unsigned char *arpptr;
int pln, hln;
- if (skb_make_writable(*pskb, (*pskb)->len))
+ if (skb_make_writable(skb, skb->len))
return NF_DROP;
- arp = arp_hdr(*pskb);
- arpptr = skb_network_header(*pskb) + sizeof(*arp);
+ arp = arp_hdr(skb);
+ arpptr = skb_network_header(skb) + sizeof(*arp);
pln = arp->ar_pln;
hln = arp->ar_hln;
/* We assume that pln and hln were checked in the match */
if (mangle->flags & ARPT_MANGLE_SDEV) {
if (ARPT_DEV_ADDR_LEN_MAX < hln ||
- (arpptr + hln > skb_tail_pointer(*pskb)))
+ (arpptr + hln > skb_tail_pointer(skb)))
return NF_DROP;
memcpy(arpptr, mangle->src_devaddr, hln);
}
arpptr += hln;
if (mangle->flags & ARPT_MANGLE_SIP) {
if (ARPT_MANGLE_ADDR_LEN_MAX < pln ||
- (arpptr + pln > skb_tail_pointer(*pskb)))
+ (arpptr + pln > skb_tail_pointer(skb)))
return NF_DROP;
memcpy(arpptr, &mangle->u_s.src_ip, pln);
}
arpptr += pln;
if (mangle->flags & ARPT_MANGLE_TDEV) {
if (ARPT_DEV_ADDR_LEN_MAX < hln ||
- (arpptr + hln > skb_tail_pointer(*pskb)))
+ (arpptr + hln > skb_tail_pointer(skb)))
return NF_DROP;
memcpy(arpptr, mangle->tgt_devaddr, hln);
}
arpptr += hln;
if (mangle->flags & ARPT_MANGLE_TIP) {
if (ARPT_MANGLE_ADDR_LEN_MAX < pln ||
- (arpptr + pln > skb_tail_pointer(*pskb)))
+ (arpptr + pln > skb_tail_pointer(skb)))
return NF_DROP;
memcpy(arpptr, &mangle->u_t.tgt_ip, pln);
}
diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c
index 75c023062533..302d3da5f696 100644
--- a/net/ipv4/netfilter/arptable_filter.c
+++ b/net/ipv4/netfilter/arptable_filter.c
@@ -56,12 +56,12 @@ static struct arpt_table packet_filter = {
/* The work comes in here from netfilter.c */
static unsigned int arpt_hook(unsigned int hook,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- return arpt_do_table(pskb, hook, in, out, &packet_filter);
+ return arpt_do_table(skb, hook, in, out, &packet_filter);
}
static struct nf_hook_ops arpt_ops[] = {
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 6486894f450c..4b10b98640ac 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -169,7 +169,7 @@ ip_checkentry(const struct ipt_ip *ip)
}
static unsigned int
-ipt_error(struct sk_buff **pskb,
+ipt_error(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -312,7 +312,7 @@ static void trace_packet(struct sk_buff *skb,
/* Returns one of the generic firewall policies, like NF_ACCEPT. */
unsigned int
-ipt_do_table(struct sk_buff **pskb,
+ipt_do_table(struct sk_buff *skb,
unsigned int hook,
const struct net_device *in,
const struct net_device *out,
@@ -331,8 +331,8 @@ ipt_do_table(struct sk_buff **pskb,
struct xt_table_info *private;
/* Initialization */
- ip = ip_hdr(*pskb);
- datalen = (*pskb)->len - ip->ihl * 4;
+ ip = ip_hdr(skb);
+ datalen = skb->len - ip->ihl * 4;
indev = in ? in->name : nulldevname;
outdev = out ? out->name : nulldevname;
/* We handle fragments by dealing with the first fragment as
@@ -359,7 +359,7 @@ ipt_do_table(struct sk_buff **pskb,
struct ipt_entry_target *t;
if (IPT_MATCH_ITERATE(e, do_match,
- *pskb, in, out,
+ skb, in, out,
offset, &hotdrop) != 0)
goto no_match;
@@ -371,8 +371,8 @@ ipt_do_table(struct sk_buff **pskb,
#if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
/* The packet is traced: log it */
- if (unlikely((*pskb)->nf_trace))
- trace_packet(*pskb, hook, in, out,
+ if (unlikely(skb->nf_trace))
+ trace_packet(skb, hook, in, out,
table->name, private, e);
#endif
/* Standard target? */
@@ -410,7 +410,7 @@ ipt_do_table(struct sk_buff **pskb,
((struct ipt_entry *)table_base)->comefrom
= 0xeeeeeeec;
#endif
- verdict = t->u.kernel.target->target(pskb,
+ verdict = t->u.kernel.target->target(skb,
in, out,
hook,
t->u.kernel.target,
@@ -428,8 +428,8 @@ ipt_do_table(struct sk_buff **pskb,
= 0x57acc001;
#endif
/* Target might have changed stuff. */
- ip = ip_hdr(*pskb);
- datalen = (*pskb)->len - ip->ihl * 4;
+ ip = ip_hdr(skb);
+ datalen = skb->len - ip->ihl * 4;
if (verdict == IPT_CONTINUE)
e = (void *)e + e->next_offset;
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 27f14e1ebd8b..2f544dac72df 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -289,7 +289,7 @@ clusterip_responsible(const struct clusterip_config *config, u_int32_t hash)
***********************************************************************/
static unsigned int
-target(struct sk_buff **pskb,
+target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -305,7 +305,7 @@ target(struct sk_buff **pskb,
* is only decremented by destroy() - and ip_tables guarantees
* that the ->target() function isn't called after ->destroy() */
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
if (ct == NULL) {
printk(KERN_ERR "CLUSTERIP: no conntrack!\n");
/* FIXME: need to drop invalid ones, since replies
@@ -316,7 +316,7 @@ target(struct sk_buff **pskb,
/* special case: ICMP error handling. conntrack distinguishes between
* error messages (RELATED) and information requests (see below) */
- if (ip_hdr(*pskb)->protocol == IPPROTO_ICMP
+ if (ip_hdr(skb)->protocol == IPPROTO_ICMP
&& (ctinfo == IP_CT_RELATED
|| ctinfo == IP_CT_RELATED+IP_CT_IS_REPLY))
return XT_CONTINUE;
@@ -325,7 +325,7 @@ target(struct sk_buff **pskb,
* TIMESTAMP, INFO_REQUEST or ADDRESS type icmp packets from here
* on, which all have an ID field [relevant for hashing]. */
- hash = clusterip_hashfn(*pskb, cipinfo->config);
+ hash = clusterip_hashfn(skb, cipinfo->config);
switch (ctinfo) {
case IP_CT_NEW:
@@ -355,7 +355,7 @@ target(struct sk_buff **pskb,
/* despite being received via linklayer multicast, this is
* actually a unicast IP packet. TCP doesn't like PACKET_MULTICAST */
- (*pskb)->pkt_type = PACKET_HOST;
+ skb->pkt_type = PACKET_HOST;
return XT_CONTINUE;
}
@@ -505,12 +505,12 @@ static void arp_print(struct arp_payload *payload)
static unsigned int
arp_mangle(unsigned int hook,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- struct arphdr *arp = arp_hdr(*pskb);
+ struct arphdr *arp = arp_hdr(skb);
struct arp_payload *payload;
struct clusterip_config *c;
diff --git a/net/ipv4/netfilter/ipt_ECN.c b/net/ipv4/netfilter/ipt_ECN.c
index 92744be1c55e..add110060a22 100644
--- a/net/ipv4/netfilter/ipt_ECN.c
+++ b/net/ipv4/netfilter/ipt_ECN.c
@@ -26,15 +26,15 @@ MODULE_DESCRIPTION("iptables ECN modification module");
/* set ECT codepoint from IP header.
* return false if there was an error. */
static inline bool
-set_ect_ip(struct sk_buff **pskb, const struct ipt_ECN_info *einfo)
+set_ect_ip(struct sk_buff *skb, const struct ipt_ECN_info *einfo)
{
- struct iphdr *iph = ip_hdr(*pskb);
+ struct iphdr *iph = ip_hdr(skb);
if ((iph->tos & IPT_ECN_IP_MASK) != (einfo->ip_ect & IPT_ECN_IP_MASK)) {
__u8 oldtos;
- if (!skb_make_writable(*pskb, sizeof(struct iphdr)))
+ if (!skb_make_writable(skb, sizeof(struct iphdr)))
return false;
- iph = ip_hdr(*pskb);
+ iph = ip_hdr(skb);
oldtos = iph->tos;
iph->tos &= ~IPT_ECN_IP_MASK;
iph->tos |= (einfo->ip_ect & IPT_ECN_IP_MASK);
@@ -45,14 +45,13 @@ set_ect_ip(struct sk_buff **pskb, const struct ipt_ECN_info *einfo)
/* Return false if there was an error. */
static inline bool
-set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo)
+set_ect_tcp(struct sk_buff *skb, const struct ipt_ECN_info *einfo)
{
struct tcphdr _tcph, *tcph;
__be16 oldval;
/* Not enought header? */
- tcph = skb_header_pointer(*pskb, ip_hdrlen(*pskb),
- sizeof(_tcph), &_tcph);
+ tcph = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(_tcph), &_tcph);
if (!tcph)
return false;
@@ -62,9 +61,9 @@ set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo)
tcph->cwr == einfo->proto.tcp.cwr))
return true;
- if (!skb_make_writable(*pskb, ip_hdrlen(*pskb) + sizeof(*tcph)))
+ if (!skb_make_writable(skb, ip_hdrlen(skb) + sizeof(*tcph)))
return false;
- tcph = (void *)ip_hdr(*pskb) + ip_hdrlen(*pskb);
+ tcph = (void *)ip_hdr(skb) + ip_hdrlen(skb);
oldval = ((__be16 *)tcph)[6];
if (einfo->operation & IPT_ECN_OP_SET_ECE)
@@ -72,13 +71,13 @@ set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo)
if (einfo->operation & IPT_ECN_OP_SET_CWR)
tcph->cwr = einfo->proto.tcp.cwr;
- nf_proto_csum_replace2(&tcph->check, *pskb,
+ nf_proto_csum_replace2(&tcph->check, skb,
oldval, ((__be16 *)tcph)[6], 0);
return true;
}
static unsigned int
-target(struct sk_buff **pskb,
+target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -88,12 +87,12 @@ target(struct sk_buff **pskb,
const struct ipt_ECN_info *einfo = targinfo;
if (einfo->operation & IPT_ECN_OP_SET_IP)
- if (!set_ect_ip(pskb, einfo))
+ if (!set_ect_ip(skb, einfo))
return NF_DROP;
if (einfo->operation & (IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR)
- && ip_hdr(*pskb)->protocol == IPPROTO_TCP)
- if (!set_ect_tcp(pskb, einfo))
+ && ip_hdr(skb)->protocol == IPPROTO_TCP)
+ if (!set_ect_tcp(skb, einfo))
return NF_DROP;
return XT_CONTINUE;
diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c
index 127a5e89bf14..4b5e8216a4e7 100644
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -418,7 +418,7 @@ ipt_log_packet(unsigned int pf,
}
static unsigned int
-ipt_log_target(struct sk_buff **pskb,
+ipt_log_target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -432,7 +432,7 @@ ipt_log_target(struct sk_buff **pskb,
li.u.log.level = loginfo->level;
li.u.log.logflags = loginfo->logflags;
- ipt_log_packet(PF_INET, hooknum, *pskb, in, out, &li,
+ ipt_log_packet(PF_INET, hooknum, skb, in, out, &li,
loginfo->prefix);
return XT_CONTINUE;
}
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index 3e0b562b2db7..44b516e7cb79 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -52,7 +52,7 @@ masquerade_check(const char *tablename,
}
static unsigned int
-masquerade_target(struct sk_buff **pskb,
+masquerade_target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -69,7 +69,7 @@ masquerade_target(struct sk_buff **pskb,
NF_CT_ASSERT(hooknum == NF_IP_POST_ROUTING);
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
nat = nfct_nat(ct);
NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED
@@ -82,7 +82,7 @@ masquerade_target(struct sk_buff **pskb,
return NF_ACCEPT;
mr = targinfo;
- rt = (struct rtable *)(*pskb)->dst;
+ rt = (struct rtable *)skb->dst;
newsrc = inet_select_addr(out, rt->rt_gateway, RT_SCOPE_UNIVERSE);
if (!newsrc) {
printk("MASQUERADE: %s ate my IP address\n", out->name);
diff --git a/net/ipv4/netfilter/ipt_NETMAP.c b/net/ipv4/netfilter/ipt_NETMAP.c
index 41a011d5a065..f8699291e33d 100644
--- a/net/ipv4/netfilter/ipt_NETMAP.c
+++ b/net/ipv4/netfilter/ipt_NETMAP.c
@@ -43,7 +43,7 @@ check(const char *tablename,
}
static unsigned int
-target(struct sk_buff **pskb,
+target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -59,14 +59,14 @@ target(struct sk_buff **pskb,
NF_CT_ASSERT(hooknum == NF_IP_PRE_ROUTING
|| hooknum == NF_IP_POST_ROUTING
|| hooknum == NF_IP_LOCAL_OUT);
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
netmask = ~(mr->range[0].min_ip ^ mr->range[0].max_ip);
if (hooknum == NF_IP_PRE_ROUTING || hooknum == NF_IP_LOCAL_OUT)
- new_ip = ip_hdr(*pskb)->daddr & ~netmask;
+ new_ip = ip_hdr(skb)->daddr & ~netmask;
else
- new_ip = ip_hdr(*pskb)->saddr & ~netmask;
+ new_ip = ip_hdr(skb)->saddr & ~netmask;
new_ip |= mr->range[0].min_ip & netmask;
newrange = ((struct nf_nat_range)
diff --git a/net/ipv4/netfilter/ipt_REDIRECT.c b/net/ipv4/netfilter/ipt_REDIRECT.c
index 6ac7a2373316..f7cf7d61a2d4 100644
--- a/net/ipv4/netfilter/ipt_REDIRECT.c
+++ b/net/ipv4/netfilter/ipt_REDIRECT.c
@@ -47,7 +47,7 @@ redirect_check(const char *tablename,
}
static unsigned int
-redirect_target(struct sk_buff **pskb,
+redirect_target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -63,7 +63,7 @@ redirect_target(struct sk_buff **pskb,
NF_CT_ASSERT(hooknum == NF_IP_PRE_ROUTING
|| hooknum == NF_IP_LOCAL_OUT);
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED));
/* Local packets: make them go to loopback */
@@ -76,7 +76,7 @@ redirect_target(struct sk_buff **pskb,
newdst = 0;
rcu_read_lock();
- indev = __in_dev_get_rcu((*pskb)->dev);
+ indev = __in_dev_get_rcu(skb->dev);
if (indev && (ifa = indev->ifa_list))
newdst = ifa->ifa_local;
rcu_read_unlock();
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index cb038c8fbc9d..dcf4d21d5116 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -131,7 +131,7 @@ static void send_reset(struct sk_buff *oldskb, int hook)
)
addr_type = RTN_LOCAL;
- if (ip_route_me_harder(&nskb, addr_type))
+ if (ip_route_me_harder(nskb, addr_type))
goto free_nskb;
nskb->ip_summed = CHECKSUM_NONE;
@@ -162,7 +162,7 @@ static inline void send_unreach(struct sk_buff *skb_in, int code)
icmp_send(skb_in, ICMP_DEST_UNREACH, code, 0);
}
-static unsigned int reject(struct sk_buff **pskb,
+static unsigned int reject(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -173,7 +173,7 @@ static unsigned int reject(struct sk_buff **pskb,
/* Our naive response construction doesn't deal with IP
options, and probably shouldn't try. */
- if (ip_hdrlen(*pskb) != sizeof(struct iphdr))
+ if (ip_hdrlen(skb) != sizeof(struct iphdr))
return NF_DROP;
/* WARNING: This code causes reentry within iptables.
@@ -181,28 +181,28 @@ static unsigned int reject(struct sk_buff **pskb,
must return an absolute verdict. --RR */
switch (reject->with) {
case IPT_ICMP_NET_UNREACHABLE:
- send_unreach(*pskb, ICMP_NET_UNREACH);
+ send_unreach(skb, ICMP_NET_UNREACH);
break;
case IPT_ICMP_HOST_UNREACHABLE:
- send_unreach(*pskb, ICMP_HOST_UNREACH);
+ send_unreach(skb, ICMP_HOST_UNREACH);
break;
case IPT_ICMP_PROT_UNREACHABLE:
- send_unreach(*pskb, ICMP_PROT_UNREACH);
+ send_unreach(skb, ICMP_PROT_UNREACH);
break;
case IPT_ICMP_PORT_UNREACHABLE:
- send_unreach(*pskb, ICMP_PORT_UNREACH);
+ send_unreach(skb, ICMP_PORT_UNREACH);
break;
case IPT_ICMP_NET_PROHIBITED:
- send_unreach(*pskb, ICMP_NET_ANO);
+ send_unreach(skb, ICMP_NET_ANO);
break;
case IPT_ICMP_HOST_PROHIBITED:
- send_unreach(*pskb, ICMP_HOST_ANO);
+ send_unreach(skb, ICMP_HOST_ANO);
break;
case IPT_ICMP_ADMIN_PROHIBITED:
- send_unreach(*pskb, ICMP_PKT_FILTERED);
+ send_unreach(skb, ICMP_PKT_FILTERED);
break;
case IPT_TCP_RESET:
- send_reset(*pskb, hooknum);
+ send_reset(skb, hooknum);
case IPT_ICMP_ECHOREPLY:
/* Doesn't happen. */
break;
diff --git a/net/ipv4/netfilter/ipt_SAME.c b/net/ipv4/netfilter/ipt_SAME.c
index 97641f1a97f6..8988571436b8 100644
--- a/net/ipv4/netfilter/ipt_SAME.c
+++ b/net/ipv4/netfilter/ipt_SAME.c
@@ -104,7 +104,7 @@ same_destroy(const struct xt_target *target, void *targinfo)
}
static unsigned int
-same_target(struct sk_buff **pskb,
+same_target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -121,7 +121,7 @@ same_target(struct sk_buff **pskb,
NF_CT_ASSERT(hooknum == NF_IP_PRE_ROUTING ||
hooknum == NF_IP_POST_ROUTING);
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
t = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
diff --git a/net/ipv4/netfilter/ipt_TOS.c b/net/ipv4/netfilter/ipt_TOS.c
index 87b689ac09a5..d4573baa7f27 100644
--- a/net/ipv4/netfilter/ipt_TOS.c
+++ b/net/ipv4/netfilter/ipt_TOS.c
@@ -21,7 +21,7 @@ MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
MODULE_DESCRIPTION("iptables TOS mangling module");
static unsigned int
-target(struct sk_buff **pskb,
+target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -29,13 +29,13 @@ target(struct sk_buff **pskb,
const void *targinfo)
{
const struct ipt_tos_target_info *tosinfo = targinfo;
- struct iphdr *iph = ip_hdr(*pskb);
+ struct iphdr *iph = ip_hdr(skb);
if ((iph->tos & IPTOS_TOS_MASK) != tosinfo->tos) {
__u8 oldtos;
- if (!skb_make_writable(*pskb, sizeof(struct iphdr)))
+ if (!skb_make_writable(skb, sizeof(struct iphdr)))
return NF_DROP;
- iph = ip_hdr(*pskb);
+ iph = ip_hdr(skb);
oldtos = iph->tos;
iph->tos = (iph->tos & IPTOS_PREC_MASK) | tosinfo->tos;
nf_csum_replace2(&iph->check, htons(oldtos), htons(iph->tos));
diff --git a/net/ipv4/netfilter/ipt_TTL.c b/net/ipv4/netfilter/ipt_TTL.c
index 3dd467611e11..c620a0527666 100644
--- a/net/ipv4/netfilter/ipt_TTL.c
+++ b/net/ipv4/netfilter/ipt_TTL.c
@@ -20,7 +20,7 @@ MODULE_DESCRIPTION("IP tables TTL modification module");
MODULE_LICENSE("GPL");
static unsigned int
-ipt_ttl_target(struct sk_buff **pskb,
+ipt_ttl_target(struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
unsigned int hooknum, const struct xt_target *target,
const void *targinfo)
@@ -29,10 +29,10 @@ ipt_ttl_target(struct sk_buff **pskb,
const struct ipt_TTL_info *info = targinfo;
int new_ttl;
- if (!skb_make_writable(*pskb, (*pskb)->len))
+ if (!skb_make_writable(skb, skb->len))
return NF_DROP;
- iph = ip_hdr(*pskb);
+ iph = ip_hdr(skb);
switch (info->mode) {
case IPT_TTL_SET:
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index c636d6d63574..212b830765a4 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -279,7 +279,7 @@ alloc_failure:
spin_unlock_bh(&ulog_lock);
}
-static unsigned int ipt_ulog_target(struct sk_buff **pskb,
+static unsigned int ipt_ulog_target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -288,7 +288,7 @@ static unsigned int ipt_ulog_target(struct sk_buff **pskb,
{
struct ipt_ulog_info *loginfo = (struct ipt_ulog_info *) targinfo;
- ipt_ulog_packet(hooknum, *pskb, in, out, loginfo, NULL);
+ ipt_ulog_packet(hooknum, skb, in, out, loginfo, NULL);
return XT_CONTINUE;
}
diff --git a/net/ipv4/netfilter/iptable_filter.c b/net/ipv4/netfilter/iptable_filter.c
index 4f51c1d7d2d6..ba3262c60437 100644
--- a/net/ipv4/netfilter/iptable_filter.c
+++ b/net/ipv4/netfilter/iptable_filter.c
@@ -62,31 +62,31 @@ static struct xt_table packet_filter = {
/* The work comes in here from netfilter.c. */
static unsigned int
ipt_hook(unsigned int hook,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- return ipt_do_table(pskb, hook, in, out, &packet_filter);
+ return ipt_do_table(skb, hook, in, out, &packet_filter);
}
static unsigned int
ipt_local_out_hook(unsigned int hook,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
/* root is playing with raw sockets. */
- if ((*pskb)->len < sizeof(struct iphdr)
- || ip_hdrlen(*pskb) < sizeof(struct iphdr)) {
+ if (skb->len < sizeof(struct iphdr) ||
+ ip_hdrlen(skb) < sizeof(struct iphdr)) {
if (net_ratelimit())
printk("iptable_filter: ignoring short SOCK_RAW "
"packet.\n");
return NF_ACCEPT;
}
- return ipt_do_table(pskb, hook, in, out, &packet_filter);
+ return ipt_do_table(skb, hook, in, out, &packet_filter);
}
static struct nf_hook_ops ipt_ops[] = {
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index 902446f7cbca..b4360a69d5ca 100644
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -75,17 +75,17 @@ static struct xt_table packet_mangler = {
/* The work comes in here from netfilter.c. */
static unsigned int
ipt_route_hook(unsigned int hook,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- return ipt_do_table(pskb, hook, in, out, &packet_mangler);
+ return ipt_do_table(skb, hook, in, out, &packet_mangler);
}
static unsigned int
ipt_local_hook(unsigned int hook,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -97,8 +97,8 @@ ipt_local_hook(unsigned int hook,
u_int32_t mark;
/* root is playing with raw sockets. */
- if ((*pskb)->len < sizeof(struct iphdr)
- || ip_hdrlen(*pskb) < sizeof(struct iphdr)) {
+ if (skb->len < sizeof(struct iphdr)
+ || ip_hdrlen(skb) < sizeof(struct iphdr)) {
if (net_ratelimit())
printk("iptable_mangle: ignoring short SOCK_RAW "
"packet.\n");
@@ -106,22 +106,22 @@ ipt_local_hook(unsigned int hook,
}
/* Save things which could affect route */
- mark = (*pskb)->mark;
- iph = ip_hdr(*pskb);
+ mark = skb->mark;
+ iph = ip_hdr(skb);
saddr = iph->saddr;
daddr = iph->daddr;
tos = iph->tos;
- ret = ipt_do_table(pskb, hook, in, out, &packet_mangler);
+ ret = ipt_do_table(skb, hook, in, out, &packet_mangler);
/* Reroute for ANY change. */
if (ret != NF_DROP && ret != NF_STOLEN && ret != NF_QUEUE) {
- iph = ip_hdr(*pskb);
+ iph = ip_hdr(skb);
if (iph->saddr != saddr ||
iph->daddr != daddr ||
- (*pskb)->mark != mark ||
+ skb->mark != mark ||
iph->tos != tos)
- if (ip_route_me_harder(pskb, RTN_UNSPEC))
+ if (ip_route_me_harder(skb, RTN_UNSPEC))
ret = NF_DROP;
}
diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c
index d6e503395684..5de6e57ac55c 100644
--- a/net/ipv4/netfilter/iptable_raw.c
+++ b/net/ipv4/netfilter/iptable_raw.c
@@ -47,30 +47,30 @@ static struct xt_table packet_raw = {
/* The work comes in here from netfilter.c. */
static unsigned int
ipt_hook(unsigned int hook,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- return ipt_do_table(pskb, hook, in, out, &packet_raw);
+ return ipt_do_table(skb, hook, in, out, &packet_raw);
}
static unsigned int
ipt_local_hook(unsigned int hook,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
/* root is playing with raw sockets. */
- if ((*pskb)->len < sizeof(struct iphdr) ||
- ip_hdrlen(*pskb) < sizeof(struct iphdr)) {
+ if (skb->len < sizeof(struct iphdr) ||
+ ip_hdrlen(skb) < sizeof(struct iphdr)) {
if (net_ratelimit())
printk("iptable_raw: ignoring short SOCK_RAW"
"packet.\n");
return NF_ACCEPT;
}
- return ipt_do_table(pskb, hook, in, out, &packet_raw);
+ return ipt_do_table(skb, hook, in, out, &packet_raw);
}
/* 'raw' is the very first table. */
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 48fdd9eb1c71..831e9b29806d 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -100,17 +100,17 @@ static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
}
static unsigned int ipv4_confirm(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
/* We've seen it coming out the other side: confirm it */
- return nf_conntrack_confirm(pskb);
+ return nf_conntrack_confirm(skb);
}
static unsigned int ipv4_conntrack_help(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -121,7 +121,7 @@ static unsigned int ipv4_conntrack_help(unsigned int hooknum,
struct nf_conntrack_helper *helper;
/* This is where we call the helper: as the packet goes out. */
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
if (!ct || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY)
return NF_ACCEPT;
@@ -132,24 +132,24 @@ static unsigned int ipv4_conntrack_help(unsigned int hooknum,
helper = rcu_dereference(help->helper);
if (!helper)
return NF_ACCEPT;
- return helper->help(pskb, skb_network_offset(*pskb) + ip_hdrlen(*pskb),
+ return helper->help(skb, skb_network_offset(skb) + ip_hdrlen(skb),
ct, ctinfo);
}
static unsigned int ipv4_conntrack_defrag(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
/* Previously seen (loopback)? Ignore. Do this before
fragment check. */
- if ((*pskb)->nfct)
+ if (skb->nfct)
return NF_ACCEPT;
/* Gather fragments. */
- if (ip_hdr(*pskb)->frag_off & htons(IP_MF | IP_OFFSET)) {
- if (nf_ct_ipv4_gather_frags(*pskb,
+ if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+ if (nf_ct_ipv4_gather_frags(skb,
hooknum == NF_IP_PRE_ROUTING ?
IP_DEFRAG_CONNTRACK_IN :
IP_DEFRAG_CONNTRACK_OUT))
@@ -159,28 +159,28 @@ static unsigned int ipv4_conntrack_defrag(unsigned int hooknum,
}
static unsigned int ipv4_conntrack_in(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- return nf_conntrack_in(PF_INET, hooknum, pskb);
+ return nf_conntrack_in(PF_INET, hooknum, skb);
}
static unsigned int ipv4_conntrack_local(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
/* root is playing with raw sockets. */
- if ((*pskb)->len < sizeof(struct iphdr)
- || ip_hdrlen(*pskb) < sizeof(struct iphdr)) {
+ if (skb->len < sizeof(struct iphdr) ||
+ ip_hdrlen(skb) < sizeof(struct iphdr)) {
if (net_ratelimit())
printk("ipt_hook: happy cracking.\n");
return NF_ACCEPT;
}
- return nf_conntrack_in(PF_INET, hooknum, pskb);
+ return nf_conntrack_in(PF_INET, hooknum, skb);
}
/* Connection tracking may drop packets, but never alters them, so
diff --git a/net/ipv4/netfilter/nf_nat_amanda.c b/net/ipv4/netfilter/nf_nat_amanda.c
index bd93a1d71052..35a5aa69cd92 100644
--- a/net/ipv4/netfilter/nf_nat_amanda.c
+++ b/net/ipv4/netfilter/nf_nat_amanda.c
@@ -24,7 +24,7 @@ MODULE_DESCRIPTION("Amanda NAT helper");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ip_nat_amanda");
-static unsigned int help(struct sk_buff **pskb,
+static unsigned int help(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
unsigned int matchoff,
unsigned int matchlen,
@@ -53,7 +53,7 @@ static unsigned int help(struct sk_buff **pskb,
return NF_DROP;
sprintf(buffer, "%u", port);
- ret = nf_nat_mangle_udp_packet(pskb, exp->master, ctinfo,
+ ret = nf_nat_mangle_udp_packet(skb, exp->master, ctinfo,
matchoff, matchlen,
buffer, strlen(buffer));
if (ret != NF_ACCEPT)
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index 3b5eb7c1a13c..56e93f692e82 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -349,7 +349,7 @@ EXPORT_SYMBOL(nf_nat_setup_info);
/* Returns true if succeeded. */
static int
manip_pkt(u_int16_t proto,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
unsigned int iphdroff,
const struct nf_conntrack_tuple *target,
enum nf_nat_manip_type maniptype)
@@ -357,19 +357,19 @@ manip_pkt(u_int16_t proto,
struct iphdr *iph;
struct nf_nat_protocol *p;
- if (!skb_make_writable(*pskb, iphdroff + sizeof(*iph)))
+ if (!skb_make_writable(skb, iphdroff + sizeof(*iph)))
return 0;
- iph = (void *)(*pskb)->data + iphdroff;
+ iph = (void *)skb->data + iphdroff;
/* Manipulate protcol part. */
/* rcu_read_lock()ed by nf_hook_slow */
p = __nf_nat_proto_find(proto);
- if (!p->manip_pkt(pskb, iphdroff, target, maniptype))
+ if (!p->manip_pkt(skb, iphdroff, target, maniptype))
return 0;
- iph = (void *)(*pskb)->data + iphdroff;
+ iph = (void *)skb->data + iphdroff;
if (maniptype == IP_NAT_MANIP_SRC) {
nf_csum_replace4(&iph->check, iph->saddr, target->src.u3.ip);
@@ -385,7 +385,7 @@ manip_pkt(u_int16_t proto,
unsigned int nf_nat_packet(struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int hooknum,
- struct sk_buff **pskb)
+ struct sk_buff *skb)
{
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
unsigned long statusbit;
@@ -407,7 +407,7 @@ unsigned int nf_nat_packet(struct nf_conn *ct,
/* We are aiming to look like inverse of other direction. */
nf_ct_invert_tuplepr(&target, &ct->tuplehash[!dir].tuple);
- if (!manip_pkt(target.dst.protonum, pskb, 0, &target, mtype))
+ if (!manip_pkt(target.dst.protonum, skb, 0, &target, mtype))
return NF_DROP;
}
return NF_ACCEPT;
@@ -418,7 +418,7 @@ EXPORT_SYMBOL_GPL(nf_nat_packet);
int nf_nat_icmp_reply_translation(struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int hooknum,
- struct sk_buff **pskb)
+ struct sk_buff *skb)
{
struct {
struct icmphdr icmp;
@@ -426,24 +426,24 @@ int nf_nat_icmp_reply_translation(struct nf_conn *ct,
} *inside;
struct nf_conntrack_l4proto *l4proto;
struct nf_conntrack_tuple inner, target;
- int hdrlen = ip_hdrlen(*pskb);
+ int hdrlen = ip_hdrlen(skb);
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
unsigned long statusbit;
enum nf_nat_manip_type manip = HOOK2MANIP(hooknum);
- if (!skb_make_writable(*pskb, hdrlen + sizeof(*inside)))
+ if (!skb_make_writable(skb, hdrlen + sizeof(*inside)))
return 0;
- inside = (void *)(*pskb)->data + ip_hdrlen(*pskb);
+ inside = (void *)skb->data + ip_hdrlen(skb);
/* We're actually going to mangle it beyond trivial checksum
adjustment, so make sure the current checksum is correct. */
- if (nf_ip_checksum(*pskb, hooknum, hdrlen, 0))
+ if (nf_ip_checksum(skb, hooknum, hdrlen, 0))
return 0;
/* Must be RELATED */
- NF_CT_ASSERT((*pskb)->nfctinfo == IP_CT_RELATED ||
- (*pskb)->nfctinfo == IP_CT_RELATED+IP_CT_IS_REPLY);
+ NF_CT_ASSERT(skb->nfctinfo == IP_CT_RELATED ||
+ skb->nfctinfo == IP_CT_RELATED+IP_CT_IS_REPLY);
/* Redirects on non-null nats must be dropped, else they'll
start talking to each other without our translation, and be
@@ -458,15 +458,15 @@ int nf_nat_icmp_reply_translation(struct nf_conn *ct,
}
pr_debug("icmp_reply_translation: translating error %p manip %u "
- "dir %s\n", *pskb, manip,
+ "dir %s\n", skb, manip,
dir == IP_CT_DIR_ORIGINAL ? "ORIG" : "REPLY");
/* rcu_read_lock()ed by nf_hook_slow */
l4proto = __nf_ct_l4proto_find(PF_INET, inside->ip.protocol);
- if (!nf_ct_get_tuple(*pskb,
- ip_hdrlen(*pskb) + sizeof(struct icmphdr),
- (ip_hdrlen(*pskb) +
+ if (!nf_ct_get_tuple(skb,
+ ip_hdrlen(skb) + sizeof(struct icmphdr),
+ (ip_hdrlen(skb) +
sizeof(struct icmphdr) + inside->ip.ihl * 4),
(u_int16_t)AF_INET,
inside->ip.protocol,
@@ -478,19 +478,19 @@ int nf_nat_icmp_reply_translation(struct nf_conn *ct,
pass all hooks (locally-generated ICMP). Consider incoming
packet: PREROUTING (DST manip), routing produces ICMP, goes
through POSTROUTING (which must correct the DST manip). */
- if (!manip_pkt(inside->ip.protocol, pskb,
- ip_hdrlen(*pskb) + sizeof(inside->icmp),
+ if (!manip_pkt(inside->ip.protocol, skb,
+ ip_hdrlen(skb) + sizeof(inside->icmp),
&ct->tuplehash[!dir].tuple,
!manip))
return 0;
- if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
+ if (skb->ip_summed != CHECKSUM_PARTIAL) {
/* Reloading "inside" here since manip_pkt inner. */
- inside = (void *)(*pskb)->data + ip_hdrlen(*pskb);
+ inside = (void *)skb->data + ip_hdrlen(skb);
inside->icmp.checksum = 0;
inside->icmp.checksum =
- csum_fold(skb_checksum(*pskb, hdrlen,
- (*pskb)->len - hdrlen, 0));
+ csum_fold(skb_checksum(skb, hdrlen,
+ skb->len - hdrlen, 0));
}
/* Change outer to look the reply to an incoming packet
@@ -506,7 +506,7 @@ int nf_nat_icmp_reply_translation(struct nf_conn *ct,
if (ct->status & statusbit) {
nf_ct_invert_tuplepr(&target, &ct->tuplehash[!dir].tuple);
- if (!manip_pkt(0, pskb, 0, &target, manip))
+ if (!manip_pkt(0, skb, 0, &target, manip))
return 0;
}
diff --git a/net/ipv4/netfilter/nf_nat_ftp.c b/net/ipv4/netfilter/nf_nat_ftp.c
index 3663bd879c39..e1a16d3ea4cb 100644
--- a/net/ipv4/netfilter/nf_nat_ftp.c
+++ b/net/ipv4/netfilter/nf_nat_ftp.c
@@ -28,7 +28,7 @@ MODULE_ALIAS("ip_nat_ftp");
/* FIXME: Time out? --RR */
static int
-mangle_rfc959_packet(struct sk_buff **pskb,
+mangle_rfc959_packet(struct sk_buff *skb,
__be32 newip,
u_int16_t port,
unsigned int matchoff,
@@ -43,13 +43,13 @@ mangle_rfc959_packet(struct sk_buff **pskb,
pr_debug("calling nf_nat_mangle_tcp_packet\n");
- return nf_nat_mangle_tcp_packet(pskb, ct, ctinfo, matchoff,
+ return nf_nat_mangle_tcp_packet(skb, ct, ctinfo, matchoff,
matchlen, buffer, strlen(buffer));
}
/* |1|132.235.1.2|6275| */
static int
-mangle_eprt_packet(struct sk_buff **pskb,
+mangle_eprt_packet(struct sk_buff *skb,
__be32 newip,
u_int16_t port,
unsigned int matchoff,
@@ -63,13 +63,13 @@ mangle_eprt_packet(struct sk_buff **pskb,
pr_debug("calling nf_nat_mangle_tcp_packet\n");
- return nf_nat_mangle_tcp_packet(pskb, ct, ctinfo, matchoff,
+ return nf_nat_mangle_tcp_packet(skb, ct, ctinfo, matchoff,
matchlen, buffer, strlen(buffer));
}
/* |1|132.235.1.2|6275| */
static int
-mangle_epsv_packet(struct sk_buff **pskb,
+mangle_epsv_packet(struct sk_buff *skb,
__be32 newip,
u_int16_t port,
unsigned int matchoff,
@@ -83,11 +83,11 @@ mangle_epsv_packet(struct sk_buff **pskb,
pr_debug("calling nf_nat_mangle_tcp_packet\n");
- return nf_nat_mangle_tcp_packet(pskb, ct, ctinfo, matchoff,
+ return nf_nat_mangle_tcp_packet(skb, ct, ctinfo, matchoff,
matchlen, buffer, strlen(buffer));
}
-static int (*mangle[])(struct sk_buff **, __be32, u_int16_t,
+static int (*mangle[])(struct sk_buff *, __be32, u_int16_t,
unsigned int, unsigned int, struct nf_conn *,
enum ip_conntrack_info)
= {
@@ -99,7 +99,7 @@ static int (*mangle[])(struct sk_buff **, __be32, u_int16_t,
/* So, this packet has hit the connection tracking matching code.
Mangle it, and change the expectation to match the new version. */
-static unsigned int nf_nat_ftp(struct sk_buff **pskb,
+static unsigned int nf_nat_ftp(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
enum nf_ct_ftp_type type,
unsigned int matchoff,
@@ -132,7 +132,7 @@ static unsigned int nf_nat_ftp(struct sk_buff **pskb,
if (port == 0)
return NF_DROP;
- if (!mangle[type](pskb, newip, port, matchoff, matchlen, ct, ctinfo)) {
+ if (!mangle[type](skb, newip, port, matchoff, matchlen, ct, ctinfo)) {
nf_ct_unexpect_related(exp);
return NF_DROP;
}
diff --git a/net/ipv4/netfilter/nf_nat_h323.c b/net/ipv4/netfilter/nf_nat_h323.c
index c1b059a73708..a868c8c41328 100644
--- a/net/ipv4/netfilter/nf_nat_h323.c
+++ b/net/ipv4/netfilter/nf_nat_h323.c
@@ -22,12 +22,12 @@
#include <linux/netfilter/nf_conntrack_h323.h>
/****************************************************************************/
-static int set_addr(struct sk_buff **pskb,
+static int set_addr(struct sk_buff *skb,
unsigned char **data, int dataoff,
unsigned int addroff, __be32 ip, __be16 port)
{
enum ip_conntrack_info ctinfo;
- struct nf_conn *ct = nf_ct_get(*pskb, &ctinfo);
+ struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
struct {
__be32 ip;
__be16 port;
@@ -38,8 +38,8 @@ static int set_addr(struct sk_buff **pskb,
buf.port = port;
addroff += dataoff;
- if (ip_hdr(*pskb)->protocol == IPPROTO_TCP) {
- if (!nf_nat_mangle_tcp_packet(pskb, ct, ctinfo,
+ if (ip_hdr(skb)->protocol == IPPROTO_TCP) {
+ if (!nf_nat_mangle_tcp_packet(skb, ct, ctinfo,
addroff, sizeof(buf),
(char *) &buf, sizeof(buf))) {
if (net_ratelimit())
@@ -49,14 +49,13 @@ static int set_addr(struct sk_buff **pskb,
}
/* Relocate data pointer */
- th = skb_header_pointer(*pskb, ip_hdrlen(*pskb),
+ th = skb_header_pointer(skb, ip_hdrlen(skb),
sizeof(_tcph), &_tcph);
if (th == NULL)
return -1;
- *data = (*pskb)->data + ip_hdrlen(*pskb) +
- th->doff * 4 + dataoff;
+ *data = skb->data + ip_hdrlen(skb) + th->doff * 4 + dataoff;
} else {
- if (!nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
+ if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo,
addroff, sizeof(buf),
(char *) &buf, sizeof(buf))) {
if (net_ratelimit())
@@ -67,36 +66,35 @@ static int set_addr(struct sk_buff **pskb,
/* nf_nat_mangle_udp_packet uses skb_make_writable() to copy
* or pull everything in a linear buffer, so we can safely
* use the skb pointers now */
- *data = ((*pskb)->data + ip_hdrlen(*pskb) +
- sizeof(struct udphdr));
+ *data = skb->data + ip_hdrlen(skb) + sizeof(struct udphdr);
}
return 0;
}
/****************************************************************************/
-static int set_h225_addr(struct sk_buff **pskb,
+static int set_h225_addr(struct sk_buff *skb,
unsigned char **data, int dataoff,
TransportAddress *taddr,
union nf_conntrack_address *addr, __be16 port)
{
- return set_addr(pskb, data, dataoff, taddr->ipAddress.ip,
+ return set_addr(skb, data, dataoff, taddr->ipAddress.ip,
addr->ip, port);
}
/****************************************************************************/
-static int set_h245_addr(struct sk_buff **pskb,
+static int set_h245_addr(struct sk_buff *skb,
unsigned char **data, int dataoff,
H245_TransportAddress *taddr,
union nf_conntrack_address *addr, __be16 port)
{
- return set_addr(pskb, data, dataoff,
+ return set_addr(skb, data, dataoff,
taddr->unicastAddress.iPAddress.network,
addr->ip, port);
}
/****************************************************************************/
-static int set_sig_addr(struct sk_buff **pskb, struct nf_conn *ct,
+static int set_sig_addr(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data,
TransportAddress *taddr, int count)
@@ -125,7 +123,7 @@ static int set_sig_addr(struct sk_buff **pskb, struct nf_conn *ct,
NIPQUAD(addr.ip), port,
NIPQUAD(ct->tuplehash[!dir].tuple.dst.u3.ip),
info->sig_port[!dir]);
- return set_h225_addr(pskb, data, 0, &taddr[i],
+ return set_h225_addr(skb, data, 0, &taddr[i],
&ct->tuplehash[!dir].
tuple.dst.u3,
info->sig_port[!dir]);
@@ -137,7 +135,7 @@ static int set_sig_addr(struct sk_buff **pskb, struct nf_conn *ct,
NIPQUAD(addr.ip), port,
NIPQUAD(ct->tuplehash[!dir].tuple.src.u3.ip),
info->sig_port[!dir]);
- return set_h225_addr(pskb, data, 0, &taddr[i],
+ return set_h225_addr(skb, data, 0, &taddr[i],
&ct->tuplehash[!dir].
tuple.src.u3,
info->sig_port[!dir]);
@@ -149,7 +147,7 @@ static int set_sig_addr(struct sk_buff **pskb, struct nf_conn *ct,
}
/****************************************************************************/
-static int set_ras_addr(struct sk_buff **pskb, struct nf_conn *ct,
+static int set_ras_addr(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data,
TransportAddress *taddr, int count)
@@ -168,7 +166,7 @@ static int set_ras_addr(struct sk_buff **pskb, struct nf_conn *ct,
NIPQUAD(addr.ip), ntohs(port),
NIPQUAD(ct->tuplehash[!dir].tuple.dst.u3.ip),
ntohs(ct->tuplehash[!dir].tuple.dst.u.udp.port));
- return set_h225_addr(pskb, data, 0, &taddr[i],
+ return set_h225_addr(skb, data, 0, &taddr[i],
&ct->tuplehash[!dir].tuple.dst.u3,
ct->tuplehash[!dir].tuple.
dst.u.udp.port);
@@ -179,7 +177,7 @@ static int set_ras_addr(struct sk_buff **pskb, struct nf_conn *ct,
}
/****************************************************************************/
-static int nat_rtp_rtcp(struct sk_buff **pskb, struct nf_conn *ct,
+static int nat_rtp_rtcp(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data, int dataoff,
H245_TransportAddress *taddr,
@@ -244,7 +242,7 @@ static int nat_rtp_rtcp(struct sk_buff **pskb, struct nf_conn *ct,
}
/* Modify signal */
- if (set_h245_addr(pskb, data, dataoff, taddr,
+ if (set_h245_addr(skb, data, dataoff, taddr,
&ct->tuplehash[!dir].tuple.dst.u3,
htons((port & htons(1)) ? nated_port + 1 :
nated_port)) == 0) {
@@ -273,7 +271,7 @@ static int nat_rtp_rtcp(struct sk_buff **pskb, struct nf_conn *ct,
}
/****************************************************************************/
-static int nat_t120(struct sk_buff **pskb, struct nf_conn *ct,
+static int nat_t120(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data, int dataoff,
H245_TransportAddress *taddr, __be16 port,
@@ -301,7 +299,7 @@ static int nat_t120(struct sk_buff **pskb, struct nf_conn *ct,
}
/* Modify signal */
- if (set_h245_addr(pskb, data, dataoff, taddr,
+ if (set_h245_addr(skb, data, dataoff, taddr,
&ct->tuplehash[!dir].tuple.dst.u3,
htons(nated_port)) < 0) {
nf_ct_unexpect_related(exp);
@@ -318,7 +316,7 @@ static int nat_t120(struct sk_buff **pskb, struct nf_conn *ct,
}
/****************************************************************************/
-static int nat_h245(struct sk_buff **pskb, struct nf_conn *ct,
+static int nat_h245(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data, int dataoff,
TransportAddress *taddr, __be16 port,
@@ -351,7 +349,7 @@ static int nat_h245(struct sk_buff **pskb, struct nf_conn *ct,
}
/* Modify signal */
- if (set_h225_addr(pskb, data, dataoff, taddr,
+ if (set_h225_addr(skb, data, dataoff, taddr,
&ct->tuplehash[!dir].tuple.dst.u3,
htons(nated_port)) == 0) {
/* Save ports */
@@ -406,7 +404,7 @@ static void ip_nat_q931_expect(struct nf_conn *new,
}
/****************************************************************************/
-static int nat_q931(struct sk_buff **pskb, struct nf_conn *ct,
+static int nat_q931(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data, TransportAddress *taddr, int idx,
__be16 port, struct nf_conntrack_expect *exp)
@@ -439,7 +437,7 @@ static int nat_q931(struct sk_buff **pskb, struct nf_conn *ct,
}
/* Modify signal */
- if (set_h225_addr(pskb, data, 0, &taddr[idx],
+ if (set_h225_addr(skb, data, 0, &taddr[idx],
&ct->tuplehash[!dir].tuple.dst.u3,
htons(nated_port)) == 0) {
/* Save ports */
@@ -450,7 +448,7 @@ static int nat_q931(struct sk_buff **pskb, struct nf_conn *ct,
if (idx > 0 &&
get_h225_addr(ct, *data, &taddr[0], &addr, &port) &&
(ntohl(addr.ip) & 0xff000000) == 0x7f000000) {
- set_h225_addr(pskb, data, 0, &taddr[0],
+ set_h225_addr(skb, data, 0, &taddr[0],
&ct->tuplehash[!dir].tuple.dst.u3,
info->sig_port[!dir]);
}
@@ -495,7 +493,7 @@ static void ip_nat_callforwarding_expect(struct nf_conn *new,
}
/****************************************************************************/
-static int nat_callforwarding(struct sk_buff **pskb, struct nf_conn *ct,
+static int nat_callforwarding(struct sk_buff *skb, struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned char **data, int dataoff,
TransportAddress *taddr, __be16 port,
@@ -525,7 +523,7 @@ static int nat_callforwarding(struct sk_buff **pskb, struct nf_conn *ct,
}
/* Modify signal */
- if (!set_h225_addr(pskb, data, dataoff, taddr,
+ if (!set_h225_addr(skb, data, dataoff, taddr,
&ct->tuplehash[!dir].tuple.dst.u3,
htons(nated_port)) == 0) {
nf_ct_unexpect_related(exp);
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 40b429e4540d..8718da00ef2a 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -111,12 +111,12 @@ static void mangle_contents(struct sk_buff *skb,
}
/* Unusual, but possible case. */
-static int enlarge_skb(struct sk_buff **pskb, unsigned int extra)
+static int enlarge_skb(struct sk_buff *skb, unsigned int extra)
{
- if ((*pskb)->len + extra > 65535)
+ if (skb->len + extra > 65535)
return 0;
- if (pskb_expand_head(*pskb, 0, extra - skb_tailroom(*pskb), GFP_ATOMIC))
+ if (pskb_expand_head(skb, 0, extra - skb_tailroom(skb), GFP_ATOMIC))
return 0;
return 1;
@@ -131,7 +131,7 @@ static int enlarge_skb(struct sk_buff **pskb, unsigned int extra)
*
* */
int
-nf_nat_mangle_tcp_packet(struct sk_buff **pskb,
+nf_nat_mangle_tcp_packet(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int match_offset,
@@ -139,37 +139,37 @@ nf_nat_mangle_tcp_packet(struct sk_buff **pskb,
const char *rep_buffer,
unsigned int rep_len)
{
- struct rtable *rt = (struct rtable *)(*pskb)->dst;
+ struct rtable *rt = (struct rtable *)skb->dst;
struct iphdr *iph;
struct tcphdr *tcph;
int oldlen, datalen;
- if (!skb_make_writable(*pskb, (*pskb)->len))
+ if (!skb_make_writable(skb, skb->len))
return 0;
if (rep_len > match_len &&
- rep_len - match_len > skb_tailroom(*pskb) &&
- !enlarge_skb(pskb, rep_len - match_len))
+ rep_len - match_len > skb_tailroom(skb) &&
+ !enlarge_skb(skb, rep_len - match_len))
return 0;
- SKB_LINEAR_ASSERT(*pskb);
+ SKB_LINEAR_ASSERT(skb);
- iph = ip_hdr(*pskb);
+ iph = ip_hdr(skb);
tcph = (void *)iph + iph->ihl*4;
- oldlen = (*pskb)->len - iph->ihl*4;
- mangle_contents(*pskb, iph->ihl*4 + tcph->doff*4,
+ oldlen = skb->len - iph->ihl*4;
+ mangle_contents(skb, iph->ihl*4 + tcph->doff*4,
match_offset, match_len, rep_buffer, rep_len);
- datalen = (*pskb)->len - iph->ihl*4;
- if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
+ datalen = skb->len - iph->ihl*4;
+ if (skb->ip_summed != CHECKSUM_PARTIAL) {
if (!(rt->rt_flags & RTCF_LOCAL) &&
- (*pskb)->dev->features & NETIF_F_V4_CSUM) {
- (*pskb)->ip_summed = CHECKSUM_PARTIAL;
- (*pskb)->csum_start = skb_headroom(*pskb) +
- skb_network_offset(*pskb) +
- iph->ihl * 4;
- (*pskb)->csum_offset = offsetof(struct tcphdr, check);
+ skb->dev->features & NETIF_F_V4_CSUM) {
+ skb->ip_summed = CHECKSUM_PARTIAL;
+ skb->csum_start = skb_headroom(skb) +
+ skb_network_offset(skb) +
+ iph->ihl * 4;
+ skb->csum_offset = offsetof(struct tcphdr, check);
tcph->check = ~tcp_v4_check(datalen,
iph->saddr, iph->daddr, 0);
} else {
@@ -180,7 +180,7 @@ nf_nat_mangle_tcp_packet(struct sk_buff **pskb,
datalen, 0));
}
} else
- nf_proto_csum_replace2(&tcph->check, *pskb,
+ nf_proto_csum_replace2(&tcph->check, skb,
htons(oldlen), htons(datalen), 1);
if (rep_len != match_len) {
@@ -189,7 +189,7 @@ nf_nat_mangle_tcp_packet(struct sk_buff **pskb,
(int)rep_len - (int)match_len,
ct, ctinfo);
/* Tell TCP window tracking about seq change */
- nf_conntrack_tcp_update(*pskb, ip_hdrlen(*pskb),
+ nf_conntrack_tcp_update(skb, ip_hdrlen(skb),
ct, CTINFO2DIR(ctinfo));
}
return 1;
@@ -207,7 +207,7 @@ EXPORT_SYMBOL(nf_nat_mangle_tcp_packet);
* should be fairly easy to do.
*/
int
-nf_nat_mangle_udp_packet(struct sk_buff **pskb,
+nf_nat_mangle_udp_packet(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
unsigned int match_offset,
@@ -215,48 +215,48 @@ nf_nat_mangle_udp_packet(struct sk_buff **pskb,
const char *rep_buffer,
unsigned int rep_len)
{
- struct rtable *rt = (struct rtable *)(*pskb)->dst;
+ struct rtable *rt = (struct rtable *)skb->dst;
struct iphdr *iph;
struct udphdr *udph;
int datalen, oldlen;
/* UDP helpers might accidentally mangle the wrong packet */
- iph = ip_hdr(*pskb);
- if ((*pskb)->len < iph->ihl*4 + sizeof(*udph) +
+ iph = ip_hdr(skb);
+ if (skb->len < iph->ihl*4 + sizeof(*udph) +
match_offset + match_len)
return 0;
- if (!skb_make_writable(*pskb, (*pskb)->len))
+ if (!skb_make_writable(skb, skb->len))
return 0;
if (rep_len > match_len &&
- rep_len - match_len > skb_tailroom(*pskb) &&
- !enlarge_skb(pskb, rep_len - match_len))
+ rep_len - match_len > skb_tailroom(skb) &&
+ !enlarge_skb(skb, rep_len - match_len))
return 0;
- iph = ip_hdr(*pskb);
+ iph = ip_hdr(skb);
udph = (void *)iph + iph->ihl*4;
- oldlen = (*pskb)->len - iph->ihl*4;
- mangle_contents(*pskb, iph->ihl*4 + sizeof(*udph),
+ oldlen = skb->len - iph->ihl*4;
+ mangle_contents(skb, iph->ihl*4 + sizeof(*udph),
match_offset, match_len, rep_buffer, rep_len);
/* update the length of the UDP packet */
- datalen = (*pskb)->len - iph->ihl*4;
+ datalen = skb->len - iph->ihl*4;
udph->len = htons(datalen);
/* fix udp checksum if udp checksum was previously calculated */
- if (!udph->check && (*pskb)->ip_summed != CHECKSUM_PARTIAL)
+ if (!udph->check && skb->ip_summed != CHECKSUM_PARTIAL)
return 1;
- if ((*pskb)->ip_summed != CHECKSUM_PARTIAL) {
+ if (skb->ip_summed != CHECKSUM_PARTIAL) {
if (!(rt->rt_flags & RTCF_LOCAL) &&
- (*pskb)->dev->features & NETIF_F_V4_CSUM) {
- (*pskb)->ip_summed = CHECKSUM_PARTIAL;
- (*pskb)->csum_start = skb_headroom(*pskb) +
- skb_network_offset(*pskb) +
- iph->ihl * 4;
- (*pskb)->csum_offset = offsetof(struct udphdr, check);
+ skb->dev->features & NETIF_F_V4_CSUM) {
+ skb->ip_summed = CHECKSUM_PARTIAL;
+ skb->csum_start = skb_headroom(skb) +
+ skb_network_offset(skb) +
+ iph->ihl * 4;
+ skb->csum_offset = offsetof(struct udphdr, check);
udph->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr,
datalen, IPPROTO_UDP,
0);
@@ -270,7 +270,7 @@ nf_nat_mangle_udp_packet(struct sk_buff **pskb,
udph->check = CSUM_MANGLED_0;
}
} else
- nf_proto_csum_replace2(&udph->check, *pskb,
+ nf_proto_csum_replace2(&udph->check, skb,
htons(oldlen), htons(datalen), 1);
return 1;
@@ -322,7 +322,7 @@ sack_adjust(struct sk_buff *skb,
/* TCP SACK sequence number adjustment */
static inline unsigned int
-nf_nat_sack_adjust(struct sk_buff **pskb,
+nf_nat_sack_adjust(struct sk_buff *skb,
struct tcphdr *tcph,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo)
@@ -330,17 +330,17 @@ nf_nat_sack_adjust(struct sk_buff **pskb,
unsigned int dir, optoff, optend;
struct nf_conn_nat *nat = nfct_nat(ct);
- optoff = ip_hdrlen(*pskb) + sizeof(struct tcphdr);
- optend = ip_hdrlen(*pskb) + tcph->doff * 4;
+ optoff = ip_hdrlen(skb) + sizeof(struct tcphdr);
+ optend = ip_hdrlen(skb) + tcph->doff * 4;
- if (!skb_make_writable(*pskb, optend))
+ if (!skb_make_writable(skb, optend))
return 0;
dir = CTINFO2DIR(ctinfo);
while (optoff < optend) {
/* Usually: option, length. */
- unsigned char *op = (*pskb)->data + optoff;
+ unsigned char *op = skb->data + optoff;
switch (op[0]) {
case TCPOPT_EOL:
@@ -357,7 +357,7 @@ nf_nat_sack_adjust(struct sk_buff **pskb,
if (op[0] == TCPOPT_SACK &&
op[1] >= 2+TCPOLEN_SACK_PERBLOCK &&
((op[1] - 2) % TCPOLEN_SACK_PERBLOCK) == 0)
- sack_adjust(*pskb, tcph, optoff+2,
+ sack_adjust(skb, tcph, optoff+2,
optoff+op[1], &nat->seq[!dir]);
optoff += op[1];
}
@@ -367,7 +367,7 @@ nf_nat_sack_adjust(struct sk_buff **pskb,
/* TCP sequence number adjustment. Returns 1 on success, 0 on failure */
int
-nf_nat_seq_adjust(struct sk_buff **pskb,
+nf_nat_seq_adjust(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo)
{
@@ -382,10 +382,10 @@ nf_nat_seq_adjust(struct sk_buff **pskb,
this_way = &nat->seq[dir];
other_way = &nat->seq[!dir];
- if (!skb_make_writable(*pskb, ip_hdrlen(*pskb) + sizeof(*tcph)))
+ if (!skb_make_writable(skb, ip_hdrlen(skb) + sizeof(*tcph)))
return 0;
- tcph = (void *)(*pskb)->data + ip_hdrlen(*pskb);
+ tcph = (void *)skb->data + ip_hdrlen(skb);
if (after(ntohl(tcph->seq), this_way->correction_pos))
newseq = htonl(ntohl(tcph->seq) + this_way->offset_after);
else
@@ -397,8 +397,8 @@ nf_nat_seq_adjust(struct sk_buff **pskb,
else
newack = htonl(ntohl(tcph->ack_seq) - other_way->offset_before);
- nf_proto_csum_replace4(&tcph->check, *pskb, tcph->seq, newseq, 0);
- nf_proto_csum_replace4(&tcph->check, *pskb, tcph->ack_seq, newack, 0);
+ nf_proto_csum_replace4(&tcph->check, skb, tcph->seq, newseq, 0);
+ nf_proto_csum_replace4(&tcph->check, skb, tcph->ack_seq, newack, 0);
pr_debug("Adjusting sequence number from %u->%u, ack from %u->%u\n",
ntohl(tcph->seq), ntohl(newseq), ntohl(tcph->ack_seq),
@@ -407,10 +407,10 @@ nf_nat_seq_adjust(struct sk_buff **pskb,
tcph->seq = newseq;
tcph->ack_seq = newack;
- if (!nf_nat_sack_adjust(pskb, tcph, ct, ctinfo))
+ if (!nf_nat_sack_adjust(skb, tcph, ct, ctinfo))
return 0;
- nf_conntrack_tcp_update(*pskb, ip_hdrlen(*pskb), ct, dir);
+ nf_conntrack_tcp_update(skb, ip_hdrlen(skb), ct, dir);
return 1;
}
diff --git a/net/ipv4/netfilter/nf_nat_irc.c b/net/ipv4/netfilter/nf_nat_irc.c
index bcf274bba602..766e2c16c6b9 100644
--- a/net/ipv4/netfilter/nf_nat_irc.c
+++ b/net/ipv4/netfilter/nf_nat_irc.c
@@ -27,7 +27,7 @@ MODULE_DESCRIPTION("IRC (DCC) NAT helper");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ip_nat_irc");
-static unsigned int help(struct sk_buff **pskb,
+static unsigned int help(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
unsigned int matchoff,
unsigned int matchlen,
@@ -58,7 +58,7 @@ static unsigned int help(struct sk_buff **pskb,
pr_debug("nf_nat_irc: inserting '%s' == %u.%u.%u.%u, port %u\n",
buffer, NIPQUAD(ip), port);
- ret = nf_nat_mangle_tcp_packet(pskb, exp->master, ctinfo,
+ ret = nf_nat_mangle_tcp_packet(skb, exp->master, ctinfo,
matchoff, matchlen, buffer,
strlen(buffer));
if (ret != NF_ACCEPT)
diff --git a/net/ipv4/netfilter/nf_nat_pptp.c b/net/ipv4/netfilter/nf_nat_pptp.c
index 984ec8308b2e..e1385a099079 100644
--- a/net/ipv4/netfilter/nf_nat_pptp.c
+++ b/net/ipv4/netfilter/nf_nat_pptp.c
@@ -110,7 +110,7 @@ static void pptp_nat_expected(struct nf_conn *ct,
/* outbound packets == from PNS to PAC */
static int
-pptp_outbound_pkt(struct sk_buff **pskb,
+pptp_outbound_pkt(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
struct PptpControlHeader *ctlh,
@@ -175,7 +175,7 @@ pptp_outbound_pkt(struct sk_buff **pskb,
ntohs(REQ_CID(pptpReq, cid_off)), ntohs(new_callid));
/* mangle packet */
- if (nf_nat_mangle_tcp_packet(pskb, ct, ctinfo,
+ if (nf_nat_mangle_tcp_packet(skb, ct, ctinfo,
cid_off + sizeof(struct pptp_pkt_hdr) +
sizeof(struct PptpControlHeader),
sizeof(new_callid), (char *)&new_callid,
@@ -213,7 +213,7 @@ pptp_exp_gre(struct nf_conntrack_expect *expect_orig,
/* inbound packets == from PAC to PNS */
static int
-pptp_inbound_pkt(struct sk_buff **pskb,
+pptp_inbound_pkt(struct sk_buff *skb,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
struct PptpControlHeader *ctlh,
@@ -268,7 +268,7 @@ pptp_inbound_pkt(struct sk_buff **pskb,
pr_debug("altering peer call id from 0x%04x to 0x%04x\n",
ntohs(REQ_CID(pptpReq, pcid_off)), ntohs(new_pcid));
- if (nf_nat_mangle_tcp_packet(pskb, ct, ctinfo,
+ if (nf_nat_mangle_tcp_packet(skb, ct, ctinfo,
pcid_off + sizeof(struct pptp_pkt_hdr) +
sizeof(struct PptpControlHeader),
sizeof(new_pcid), (char *)&new_pcid,
diff --git a/net/ipv4/netfilter/nf_nat_proto_gre.c b/net/ipv4/netfilter/nf_nat_proto_gre.c
index e7a2aafcce5b..b820f9960356 100644
--- a/net/ipv4/netfilter/nf_nat_proto_gre.c
+++ b/net/ipv4/netfilter/nf_nat_proto_gre.c
@@ -98,21 +98,21 @@ gre_unique_tuple(struct nf_conntrack_tuple *tuple,
/* manipulate a GRE packet according to maniptype */
static int
-gre_manip_pkt(struct sk_buff **pskb, unsigned int iphdroff,
+gre_manip_pkt(struct sk_buff *skb, unsigned int iphdroff,
const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype)
{
struct gre_hdr *greh;
struct gre_hdr_pptp *pgreh;
- struct iphdr *iph = (struct iphdr *)((*pskb)->data + iphdroff);
+ struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
unsigned int hdroff = iphdroff + iph->ihl * 4;
/* pgreh includes two optional 32bit fields which are not required
* to be there. That's where the magic '8' comes from */
- if (!skb_make_writable(*pskb, hdroff + sizeof(*pgreh) - 8))
+ if (!skb_make_writable(skb, hdroff + sizeof(*pgreh) - 8))
return 0;
- greh = (void *)(*pskb)->data + hdroff;
+ greh = (void *)skb->data + hdroff;
pgreh = (struct gre_hdr_pptp *)greh;
/* we only have destination manip of a packet, since 'source key'
diff --git a/net/ipv4/netfilter/nf_nat_proto_icmp.c b/net/ipv4/netfilter/nf_nat_proto_icmp.c
index 4087f4f42c34..b9fc724388fc 100644
--- a/net/ipv4/netfilter/nf_nat_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_icmp.c
@@ -52,20 +52,20 @@ icmp_unique_tuple(struct nf_conntrack_tuple *tuple,
}
static int
-icmp_manip_pkt(struct sk_buff **pskb,
+icmp_manip_pkt(struct sk_buff *skb,
unsigned int iphdroff,
const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype)
{
- struct iphdr *iph = (struct iphdr *)((*pskb)->data + iphdroff);
+ struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
struct icmphdr *hdr;
unsigned int hdroff = iphdroff + iph->ihl*4;
- if (!skb_make_writable(*pskb, hdroff + sizeof(*hdr)))
+ if (!skb_make_writable(skb, hdroff + sizeof(*hdr)))
return 0;
- hdr = (struct icmphdr *)((*pskb)->data + hdroff);
- nf_proto_csum_replace2(&hdr->checksum, *pskb,
+ hdr = (struct icmphdr *)(skb->data + hdroff);
+ nf_proto_csum_replace2(&hdr->checksum, skb,
hdr->un.echo.id, tuple->src.u.icmp.id, 0);
hdr->un.echo.id = tuple->src.u.icmp.id;
return 1;
diff --git a/net/ipv4/netfilter/nf_nat_proto_tcp.c b/net/ipv4/netfilter/nf_nat_proto_tcp.c
index e544125dc037..6bab2e184455 100644
--- a/net/ipv4/netfilter/nf_nat_proto_tcp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_tcp.c
@@ -88,12 +88,12 @@ tcp_unique_tuple(struct nf_conntrack_tuple *tuple,
}
static int
-tcp_manip_pkt(struct sk_buff **pskb,
+tcp_manip_pkt(struct sk_buff *skb,
unsigned int iphdroff,
const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype)
{
- struct iphdr *iph = (struct iphdr *)((*pskb)->data + iphdroff);
+ struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
struct tcphdr *hdr;
unsigned int hdroff = iphdroff + iph->ihl*4;
__be32 oldip, newip;
@@ -103,14 +103,14 @@ tcp_manip_pkt(struct sk_buff **pskb,
/* this could be a inner header returned in icmp packet; in such
cases we cannot update the checksum field since it is outside of
the 8 bytes of transport layer headers we are guaranteed */
- if ((*pskb)->len >= hdroff + sizeof(struct tcphdr))
+ if (skb->len >= hdroff + sizeof(struct tcphdr))
hdrsize = sizeof(struct tcphdr);
- if (!skb_make_writable(*pskb, hdroff + hdrsize))
+ if (!skb_make_writable(skb, hdroff + hdrsize))
return 0;
- iph = (struct iphdr *)((*pskb)->data + iphdroff);
- hdr = (struct tcphdr *)((*pskb)->data + hdroff);
+ iph = (struct iphdr *)(skb->data + iphdroff);
+ hdr = (struct tcphdr *)(skb->data + hdroff);
if (maniptype == IP_NAT_MANIP_SRC) {
/* Get rid of src ip and src pt */
@@ -132,8 +132,8 @@ tcp_manip_pkt(struct sk_buff **pskb,
if (hdrsize < sizeof(*hdr))
return 1;
- nf_proto_csum_replace4(&hdr->check, *pskb, oldip, newip, 1);
- nf_proto_csum_replace2(&hdr->check, *pskb, oldport, newport, 0);
+ nf_proto_csum_replace4(&hdr->check, skb, oldip, newip, 1);
+ nf_proto_csum_replace2(&hdr->check, skb, oldport, newport, 0);
return 1;
}
diff --git a/net/ipv4/netfilter/nf_nat_proto_udp.c b/net/ipv4/netfilter/nf_nat_proto_udp.c
index ebe9b42a8e94..cbf1a61e2908 100644
--- a/net/ipv4/netfilter/nf_nat_proto_udp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_udp.c
@@ -86,22 +86,22 @@ udp_unique_tuple(struct nf_conntrack_tuple *tuple,
}
static int
-udp_manip_pkt(struct sk_buff **pskb,
+udp_manip_pkt(struct sk_buff *skb,
unsigned int iphdroff,
const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype)
{
- struct iphdr *iph = (struct iphdr *)((*pskb)->data + iphdroff);
+ struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
struct udphdr *hdr;
unsigned int hdroff = iphdroff + iph->ihl*4;
__be32 oldip, newip;
__be16 *portptr, newport;
- if (!skb_make_writable(*pskb, hdroff + sizeof(*hdr)))
+ if (!skb_make_writable(skb, hdroff + sizeof(*hdr)))
return 0;
- iph = (struct iphdr *)((*pskb)->data + iphdroff);
- hdr = (struct udphdr *)((*pskb)->data + hdroff);
+ iph = (struct iphdr *)(skb->data + iphdroff);
+ hdr = (struct udphdr *)(skb->data + hdroff);
if (maniptype == IP_NAT_MANIP_SRC) {
/* Get rid of src ip and src pt */
@@ -116,9 +116,9 @@ udp_manip_pkt(struct sk_buff **pskb,
newport = tuple->dst.u.udp.port;
portptr = &hdr->dest;
}
- if (hdr->check || (*pskb)->ip_summed == CHECKSUM_PARTIAL) {
- nf_proto_csum_replace4(&hdr->check, *pskb, oldip, newip, 1);
- nf_proto_csum_replace2(&hdr->check, *pskb, *portptr, newport,
+ if (hdr->check || skb->ip_summed == CHECKSUM_PARTIAL) {
+ nf_proto_csum_replace4(&hdr->check, skb, oldip, newip, 1);
+ nf_proto_csum_replace2(&hdr->check, skb, *portptr, newport,
0);
if (!hdr->check)
hdr->check = CSUM_MANGLED_0;
diff --git a/net/ipv4/netfilter/nf_nat_proto_unknown.c b/net/ipv4/netfilter/nf_nat_proto_unknown.c
index f50d0203f9c0..cfd2742e9706 100644
--- a/net/ipv4/netfilter/nf_nat_proto_unknown.c
+++ b/net/ipv4/netfilter/nf_nat_proto_unknown.c
@@ -37,7 +37,7 @@ static int unknown_unique_tuple(struct nf_conntrack_tuple *tuple,
}
static int
-unknown_manip_pkt(struct sk_buff **pskb,
+unknown_manip_pkt(struct sk_buff *skb,
unsigned int iphdroff,
const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype)
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index 76ec59ae524d..46b25ab5f78b 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -65,7 +65,7 @@ static struct xt_table nat_table = {
};
/* Source NAT */
-static unsigned int ipt_snat_target(struct sk_buff **pskb,
+static unsigned int ipt_snat_target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -78,7 +78,7 @@ static unsigned int ipt_snat_target(struct sk_buff **pskb,
NF_CT_ASSERT(hooknum == NF_IP_POST_ROUTING);
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
/* Connection must be valid and new. */
NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
@@ -107,7 +107,7 @@ static void warn_if_extra_mangle(__be32 dstip, __be32 srcip)
ip_rt_put(rt);
}
-static unsigned int ipt_dnat_target(struct sk_buff **pskb,
+static unsigned int ipt_dnat_target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
@@ -121,14 +121,14 @@ static unsigned int ipt_dnat_target(struct sk_buff **pskb,
NF_CT_ASSERT(hooknum == NF_IP_PRE_ROUTING ||
hooknum == NF_IP_LOCAL_OUT);
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
/* Connection must be valid and new. */
NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED));
if (hooknum == NF_IP_LOCAL_OUT &&
mr->range[0].flags & IP_NAT_RANGE_MAP_IPS)
- warn_if_extra_mangle(ip_hdr(*pskb)->daddr,
+ warn_if_extra_mangle(ip_hdr(skb)->daddr,
mr->range[0].min_ip);
return nf_nat_setup_info(ct, &mr->range[0], hooknum);
@@ -204,7 +204,7 @@ alloc_null_binding_confirmed(struct nf_conn *ct, unsigned int hooknum)
return nf_nat_setup_info(ct, &range, hooknum);
}
-int nf_nat_rule_find(struct sk_buff **pskb,
+int nf_nat_rule_find(struct sk_buff *skb,
unsigned int hooknum,
const struct net_device *in,
const struct net_device *out,
@@ -212,7 +212,7 @@ int nf_nat_rule_find(struct sk_buff **pskb,
{
int ret;
- ret = ipt_do_table(pskb, hooknum, in, out, &nat_table);
+ ret = ipt_do_table(skb, hooknum, in, out, &nat_table);
if (ret == NF_ACCEPT) {
if (!nf_nat_initialized(ct, HOOK2MANIP(hooknum)))
diff --git a/net/ipv4/netfilter/nf_nat_sip.c b/net/ipv4/netfilter/nf_nat_sip.c
index e14d41976c27..ce9edbcc01e3 100644
--- a/net/ipv4/netfilter/nf_nat_sip.c
+++ b/net/ipv4/netfilter/nf_nat_sip.c
@@ -60,7 +60,7 @@ static void addr_map_init(struct nf_conn *ct, struct addr_map *map)
}
}
-static int map_sip_addr(struct sk_buff **pskb, enum ip_conntrack_info ctinfo,
+static int map_sip_addr(struct sk_buff *skb, enum ip_conntrack_info ctinfo,
struct nf_conn *ct, const char **dptr, size_t dlen,
enum sip_header_pos pos, struct addr_map *map)
{
@@ -84,15 +84,15 @@ static int map_sip_addr(struct sk_buff **pskb, enum ip_conntrack_info ctinfo,
} else
return 1;
- if (!nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
+ if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo,
matchoff, matchlen, addr, addrlen))
return 0;
- *dptr = (*pskb)->data + ip_hdrlen(*pskb) + sizeof(struct udphdr);
+ *dptr = skb->data + ip_hdrlen(skb) + sizeof(struct udphdr);
return 1;
}
-static unsigned int ip_nat_sip(struct sk_buff **pskb,
+static unsigned int ip_nat_sip(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conn *ct,
const char **dptr)
@@ -101,8 +101,8 @@ static unsigned int ip_nat_sip(struct sk_buff **pskb,
struct addr_map map;
int dataoff, datalen;
- dataoff = ip_hdrlen(*pskb) + sizeof(struct udphdr);
- datalen = (*pskb)->len - dataoff;
+ dataoff = ip_hdrlen(skb) + sizeof(struct udphdr);
+ datalen = skb->len - dataoff;
if (datalen < sizeof("SIP/2.0") - 1)
return NF_ACCEPT;
@@ -121,19 +121,19 @@ static unsigned int ip_nat_sip(struct sk_buff **pskb,
else
pos = POS_REQ_URI;
- if (!map_sip_addr(pskb, ctinfo, ct, dptr, datalen, pos, &map))
+ if (!map_sip_addr(skb, ctinfo, ct, dptr, datalen, pos, &map))
return NF_DROP;
}
- if (!map_sip_addr(pskb, ctinfo, ct, dptr, datalen, POS_FROM, &map) ||
- !map_sip_addr(pskb, ctinfo, ct, dptr, datalen, POS_TO, &map) ||
- !map_sip_addr(pskb, ctinfo, ct, dptr, datalen, POS_VIA, &map) ||
- !map_sip_addr(pskb, ctinfo, ct, dptr, datalen, POS_CONTACT, &map))
+ if (!map_sip_addr(skb, ctinfo, ct, dptr, datalen, POS_FROM, &map) ||
+ !map_sip_addr(skb, ctinfo, ct, dptr, datalen, POS_TO, &map) ||
+ !map_sip_addr(skb, ctinfo, ct, dptr, datalen, POS_VIA, &map) ||
+ !map_sip_addr(skb, ctinfo, ct, dptr, datalen, POS_CONTACT, &map))
return NF_DROP;
return NF_ACCEPT;
}
-static unsigned int mangle_sip_packet(struct sk_buff **pskb,
+static unsigned int mangle_sip_packet(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conn *ct,
const char **dptr, size_t dlen,
@@ -145,16 +145,16 @@ static unsigned int mangle_sip_packet(struct sk_buff **pskb,
if (ct_sip_get_info(ct, *dptr, dlen, &matchoff, &matchlen, pos) <= 0)
return 0;
- if (!nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
+ if (!nf_nat_mangle_udp_packet(skb, ct, ctinfo,
matchoff, matchlen, buffer, bufflen))
return 0;
/* We need to reload this. Thanks Patrick. */
- *dptr = (*pskb)->data + ip_hdrlen(*pskb) + sizeof(struct udphdr);
+ *dptr = skb->data + ip_hdrlen(skb) + sizeof(struct udphdr);
return 1;
}
-static int mangle_content_len(struct sk_buff **pskb,
+static int mangle_content_len(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conn *ct,
const char *dptr)
@@ -163,22 +163,22 @@ static int mangle_content_len(struct sk_buff **pskb,
char buffer[sizeof("65536")];
int bufflen;
- dataoff = ip_hdrlen(*pskb) + sizeof(struct udphdr);
+ dataoff = ip_hdrlen(skb) + sizeof(struct udphdr);
/* Get actual SDP lenght */
- if (ct_sip_get_info(ct, dptr, (*pskb)->len - dataoff, &matchoff,
+ if (ct_sip_get_info(ct, dptr, skb->len - dataoff, &matchoff,
&matchlen, POS_SDP_HEADER) > 0) {
/* since ct_sip_get_info() give us a pointer passing 'v='
we need to add 2 bytes in this count. */
- int c_len = (*pskb)->len - dataoff - matchoff + 2;
+ int c_len = skb->len - dataoff - matchoff + 2;
/* Now, update SDP length */
- if (ct_sip_get_info(ct, dptr, (*pskb)->len - dataoff, &matchoff,
+ if (ct_sip_get_info(ct, dptr, skb->len - dataoff, &matchoff,
&matchlen, POS_CONTENT) > 0) {
bufflen = sprintf(buffer, "%u", c_len);
- return nf_nat_mangle_udp_packet(pskb, ct, ctinfo,
+ return nf_nat_mangle_udp_packet(skb, ct, ctinfo,
matchoff, matchlen,
buffer, bufflen);
}
@@ -186,7 +186,7 @@ static int mangle_content_len(struct sk_buff **pskb,
return 0;
}
-static unsigned int mangle_sdp(struct sk_buff **pskb,
+static unsigned int mangle_sdp(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conn *ct,
__be32 newip, u_int16_t port,
@@ -195,25 +195,25 @@ static unsigned int mangle_sdp(struct sk_buff **pskb,
char buffer[sizeof("nnn.nnn.nnn.nnn")];
unsigned int dataoff, bufflen;
- dataoff = ip_hdrlen(*pskb) + sizeof(struct udphdr);
+ dataoff = ip_hdrlen(skb) + sizeof(struct udphdr);
/* Mangle owner and contact info. */
bufflen = sprintf(buffer, "%u.%u.%u.%u", NIPQUAD(newip));
- if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
+ if (!mangle_sip_packet(skb, ctinfo, ct, &dptr, skb->len - dataoff,
buffer, bufflen, POS_OWNER_IP4))
return 0;
- if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
+ if (!mangle_sip_packet(skb, ctinfo, ct, &dptr, skb->len - dataoff,
buffer, bufflen, POS_CONNECTION_IP4))
return 0;
/* Mangle media port. */
bufflen = sprintf(buffer, "%u", port);
- if (!mangle_sip_packet(pskb, ctinfo, ct, &dptr, (*pskb)->len - dataoff,
+ if (!mangle_sip_packet(skb, ctinfo, ct, &dptr, skb->len - dataoff,
buffer, bufflen, POS_MEDIA))
return 0;
- return mangle_content_len(pskb, ctinfo, ct, dptr);
+ return mangle_content_len(skb, ctinfo, ct, dptr);
}
static void ip_nat_sdp_expect(struct nf_conn *ct,
@@ -241,7 +241,7 @@ static void ip_nat_sdp_expect(struct nf_conn *ct,
/* So, this packet has hit the connection tracking matching code.
Mangle it, and change the expectation to match the new version. */
-static unsigned int ip_nat_sdp(struct sk_buff **pskb,
+static unsigned int ip_nat_sdp(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conntrack_expect *exp,
const char *dptr)
@@ -277,7 +277,7 @@ static unsigned int ip_nat_sdp(struct sk_buff **pskb,
if (port == 0)
return NF_DROP;
- if (!mangle_sdp(pskb, ctinfo, ct, newip, port, dptr)) {
+ if (!mangle_sdp(skb, ctinfo, ct, newip, port, dptr)) {
nf_ct_unexpect_related(exp);
return NF_DROP;
}
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index 87011fe806ca..03709d6b4b06 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -1188,9 +1188,9 @@ static int snmp_parse_mangle(unsigned char *msg,
*/
static int snmp_translate(struct nf_conn *ct,
enum ip_conntrack_info ctinfo,
- struct sk_buff **pskb)
+ struct sk_buff *skb)
{
- struct iphdr *iph = ip_hdr(*pskb);
+ struct iphdr *iph = ip_hdr(skb);
struct udphdr *udph = (struct udphdr *)((__be32 *)iph + iph->ihl);
u_int16_t udplen = ntohs(udph->len);
u_int16_t paylen = udplen - sizeof(struct udphdr);
@@ -1225,13 +1225,13 @@ static int snmp_translate(struct nf_conn *ct,
/* We don't actually set up expectations, just adjust internal IP
* addresses if this is being NATted */
-static int help(struct sk_buff **pskb, unsigned int protoff,
+static int help(struct sk_buff *skb, unsigned int protoff,
struct nf_conn *ct,
enum ip_conntrack_info ctinfo)
{
int dir = CTINFO2DIR(ctinfo);
unsigned int ret;
- struct iphdr *iph = ip_hdr(*pskb);
+ struct iphdr *iph = ip_hdr(skb);
struct udphdr *udph = (struct udphdr *)((u_int32_t *)iph + iph->ihl);
/* SNMP replies and originating SNMP traps get mangled */
@@ -1250,7 +1250,7 @@ static int help(struct sk_buff **pskb, unsigned int protoff,
* enough room for a UDP header. Just verify the UDP length field so we
* can mess around with the payload.
*/
- if (ntohs(udph->len) != (*pskb)->len - (iph->ihl << 2)) {
+ if (ntohs(udph->len) != skb->len - (iph->ihl << 2)) {
if (net_ratelimit())
printk(KERN_WARNING "SNMP: dropping malformed packet "
"src=%u.%u.%u.%u dst=%u.%u.%u.%u\n",
@@ -1258,11 +1258,11 @@ static int help(struct sk_buff **pskb, unsigned int protoff,
return NF_DROP;
}
- if (!skb_make_writable(*pskb, (*pskb)->len))
+ if (!skb_make_writable(skb, skb->len))
return NF_DROP;
spin_lock_bh(&snmp_lock);
- ret = snmp_translate(ct, ctinfo, pskb);
+ ret = snmp_translate(ct, ctinfo, skb);
spin_unlock_bh(&snmp_lock);
return ret;
}
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index 46cc99def165..7db76ea9af91 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -67,7 +67,7 @@ static void nat_decode_session(struct sk_buff *skb, struct flowi *fl)
static unsigned int
nf_nat_fn(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -80,9 +80,9 @@ nf_nat_fn(unsigned int hooknum,
/* We never see fragments: conntrack defrags on pre-routing
and local-out, and nf_nat_out protects post-routing. */
- NF_CT_ASSERT(!(ip_hdr(*pskb)->frag_off & htons(IP_MF | IP_OFFSET)));
+ NF_CT_ASSERT(!(ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)));
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
/* Can't track? It's not due to stress, or conntrack would
have dropped it. Hence it's the user's responsibilty to
packet filter it out, or implement conntrack/NAT for that
@@ -91,10 +91,10 @@ nf_nat_fn(unsigned int hooknum,
/* Exception: ICMP redirect to new connection (not in
hash table yet). We must not let this through, in
case we're doing NAT to the same network. */
- if (ip_hdr(*pskb)->protocol == IPPROTO_ICMP) {
+ if (ip_hdr(skb)->protocol == IPPROTO_ICMP) {
struct icmphdr _hdr, *hp;
- hp = skb_header_pointer(*pskb, ip_hdrlen(*pskb),
+ hp = skb_header_pointer(skb, ip_hdrlen(skb),
sizeof(_hdr), &_hdr);
if (hp != NULL &&
hp->type == ICMP_REDIRECT)
@@ -119,9 +119,9 @@ nf_nat_fn(unsigned int hooknum,
switch (ctinfo) {
case IP_CT_RELATED:
case IP_CT_RELATED+IP_CT_IS_REPLY:
- if (ip_hdr(*pskb)->protocol == IPPROTO_ICMP) {
+ if (ip_hdr(skb)->protocol == IPPROTO_ICMP) {
if (!nf_nat_icmp_reply_translation(ct, ctinfo,
- hooknum, pskb))
+ hooknum, skb))
return NF_DROP;
else
return NF_ACCEPT;
@@ -141,7 +141,7 @@ nf_nat_fn(unsigned int hooknum,
/* LOCAL_IN hook doesn't have a chain! */
ret = alloc_null_binding(ct, hooknum);
else
- ret = nf_nat_rule_find(pskb, hooknum, in, out,
+ ret = nf_nat_rule_find(skb, hooknum, in, out,
ct);
if (ret != NF_ACCEPT) {
@@ -159,31 +159,31 @@ nf_nat_fn(unsigned int hooknum,
ctinfo == (IP_CT_ESTABLISHED+IP_CT_IS_REPLY));
}
- return nf_nat_packet(ct, ctinfo, hooknum, pskb);
+ return nf_nat_packet(ct, ctinfo, hooknum, skb);
}
static unsigned int
nf_nat_in(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
unsigned int ret;
- __be32 daddr = ip_hdr(*pskb)->daddr;
+ __be32 daddr = ip_hdr(skb)->daddr;
- ret = nf_nat_fn(hooknum, pskb, in, out, okfn);
+ ret = nf_nat_fn(hooknum, skb, in, out, okfn);
if (ret != NF_DROP && ret != NF_STOLEN &&
- daddr != ip_hdr(*pskb)->daddr) {
- dst_release((*pskb)->dst);
- (*pskb)->dst = NULL;
+ daddr != ip_hdr(skb)->daddr) {
+ dst_release(skb->dst);
+ skb->dst = NULL;
}
return ret;
}
static unsigned int
nf_nat_out(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -195,14 +195,14 @@ nf_nat_out(unsigned int hooknum,
unsigned int ret;
/* root is playing with raw sockets. */
- if ((*pskb)->len < sizeof(struct iphdr) ||
- ip_hdrlen(*pskb) < sizeof(struct iphdr))
+ if (skb->len < sizeof(struct iphdr) ||
+ ip_hdrlen(skb) < sizeof(struct iphdr))
return NF_ACCEPT;
- ret = nf_nat_fn(hooknum, pskb, in, out, okfn);
+ ret = nf_nat_fn(hooknum, skb, in, out, okfn);
#ifdef CONFIG_XFRM
if (ret != NF_DROP && ret != NF_STOLEN &&
- (ct = nf_ct_get(*pskb, &ctinfo)) != NULL) {
+ (ct = nf_ct_get(skb, &ctinfo)) != NULL) {
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
if (ct->tuplehash[dir].tuple.src.u3.ip !=
@@ -210,7 +210,7 @@ nf_nat_out(unsigned int hooknum,
|| ct->tuplehash[dir].tuple.src.u.all !=
ct->tuplehash[!dir].tuple.dst.u.all
)
- return ip_xfrm_me_harder(pskb) == 0 ? ret : NF_DROP;
+ return ip_xfrm_me_harder(skb) == 0 ? ret : NF_DROP;
}
#endif
return ret;
@@ -218,7 +218,7 @@ nf_nat_out(unsigned int hooknum,
static unsigned int
nf_nat_local_fn(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -228,24 +228,24 @@ nf_nat_local_fn(unsigned int hooknum,
unsigned int ret;
/* root is playing with raw sockets. */
- if ((*pskb)->len < sizeof(struct iphdr) ||
- ip_hdrlen(*pskb) < sizeof(struct iphdr))
+ if (skb->len < sizeof(struct iphdr) ||
+ ip_hdrlen(skb) < sizeof(struct iphdr))
return NF_ACCEPT;
- ret = nf_nat_fn(hooknum, pskb, in, out, okfn);
+ ret = nf_nat_fn(hooknum, skb, in, out, okfn);
if (ret != NF_DROP && ret != NF_STOLEN &&
- (ct = nf_ct_get(*pskb, &ctinfo)) != NULL) {
+ (ct = nf_ct_get(skb, &ctinfo)) != NULL) {
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
if (ct->tuplehash[dir].tuple.dst.u3.ip !=
ct->tuplehash[!dir].tuple.src.u3.ip) {
- if (ip_route_me_harder(pskb, RTN_UNSPEC))
+ if (ip_route_me_harder(skb, RTN_UNSPEC))
ret = NF_DROP;
}
#ifdef CONFIG_XFRM
else if (ct->tuplehash[dir].tuple.dst.u.all !=
ct->tuplehash[!dir].tuple.src.u.all)
- if (ip_xfrm_me_harder(pskb))
+ if (ip_xfrm_me_harder(skb))
ret = NF_DROP;
#endif
}
@@ -254,7 +254,7 @@ nf_nat_local_fn(unsigned int hooknum,
static unsigned int
nf_nat_adjust(unsigned int hooknum,
- struct sk_buff **pskb,
+ struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
@@ -262,10 +262,10 @@ nf_nat_adjust(unsigned int hooknum,
struct nf_conn *ct;
enum ip_conntrack_info ctinfo;
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
if (ct && test_bit(IPS_SEQ_ADJUST_BIT, &ct->status)) {
pr_debug("nf_nat_standalone: adjusting sequence number\n");
- if (!nf_nat_seq_adjust(pskb, ct, ctinfo))
+ if (!nf_nat_seq_adjust(skb, ct, ctinfo))
return NF_DROP;
}
return NF_ACCEPT;
diff --git a/net/ipv4/netfilter/nf_nat_tftp.c b/net/ipv4/netfilter/nf_nat_tftp.c
index 04dfeaefec02..0ecec701cb44 100644
--- a/net/ipv4/netfilter/nf_nat_tftp.c
+++ b/net/ipv4/netfilter/nf_nat_tftp.c
@@ -20,7 +20,7 @@ MODULE_DESCRIPTION("TFTP NAT helper");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ip_nat_tftp");
-static unsigned int help(struct sk_buff **pskb,
+static unsigned int help(struct sk_buff *skb,
enum ip_conntrack_info ctinfo,
struct nf_conntrack_expect *exp)
{
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 434ef302ba83..a4edd666318b 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -78,7 +78,7 @@ static int xfrm4_output_finish2(struct sk_buff *skb)
while (likely((err = xfrm4_output_one(skb)) == 0)) {
nf_reset(skb);
- err = nf_hook(PF_INET, NF_IP_LOCAL_OUT, &skb, NULL,
+ err = nf_hook(PF_INET, NF_IP_LOCAL_OUT, skb, NULL,
skb->dst->dev, dst_output);
if (unlikely(err != 1))
break;
@@ -86,7 +86,7 @@ static int xfrm4_output_finish2(struct sk_buff *skb)
if (!skb->dst->xfrm)
return dst_output(skb);
- err = nf_hook(PF_INET, NF_IP_POST_ROUTING, &skb, NULL,
+ err = nf_hook(PF_INET, NF_IP_POST_ROUTING, skb, NULL,
skb->dst->dev, xfrm4_output_finish2);
if (unlikely(err != 1))
break;