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ipvs: provide address family for debugging

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As skb->protocol is not valid in LOCAL_OUT add
parameter for address family in packet debugging functions.
Even if ports are not present in AH and ESP change them to
use ip_vs_tcpudp_debug_packet to show at least valid addresses
as before. This patch removes the last user of skb->protocol
in IPVS.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Julian Anastasov 2010-10-17 16:46:17 +03:00 committed by Simon Horman
parent 3233759be7
commit 0d79641a96
8 changed files with 54 additions and 92 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
include/net/ip_vs.h
View file

@ -136,24 +136,24 @@ static inline const char *ip_vs_dbg_addr(int af, char *buf, size_t buf_len,
if (net_ratelimit()) \ if (net_ratelimit()) \
printk(KERN_DEBUG pr_fmt(msg), ##__VA_ARGS__); \ printk(KERN_DEBUG pr_fmt(msg), ##__VA_ARGS__); \
} while (0) } while (0)
#define IP_VS_DBG_PKT(level, pp, skb, ofs, msg) \ #define IP_VS_DBG_PKT(level, af, pp, skb, ofs, msg) \
do { \ do { \
if (level <= ip_vs_get_debug_level()) \ if (level <= ip_vs_get_debug_level()) \
pp->debug_packet(pp, skb, ofs, msg); \ pp->debug_packet(af, pp, skb, ofs, msg); \
} while (0) } while (0)
#define IP_VS_DBG_RL_PKT(level, pp, skb, ofs, msg) \ #define IP_VS_DBG_RL_PKT(level, af, pp, skb, ofs, msg) \
do { \ do { \
if (level <= ip_vs_get_debug_level() && \ if (level <= ip_vs_get_debug_level() && \
net_ratelimit()) \ net_ratelimit()) \
pp->debug_packet(pp, skb, ofs, msg); \ pp->debug_packet(af, pp, skb, ofs, msg); \
} while (0) } while (0)
#else /* NO DEBUGGING at ALL */ #else /* NO DEBUGGING at ALL */
#define IP_VS_DBG_BUF(level, msg...) do {} while (0) #define IP_VS_DBG_BUF(level, msg...) do {} while (0)
#define IP_VS_ERR_BUF(msg...) do {} while (0) #define IP_VS_ERR_BUF(msg...) do {} while (0)
#define IP_VS_DBG(level, msg...) do {} while (0) #define IP_VS_DBG(level, msg...) do {} while (0)
#define IP_VS_DBG_RL(msg...) do {} while (0) #define IP_VS_DBG_RL(msg...) do {} while (0)
#define IP_VS_DBG_PKT(level, pp, skb, ofs, msg) do {} while (0) #define IP_VS_DBG_PKT(level, af, pp, skb, ofs, msg) do {} while (0)
#define IP_VS_DBG_RL_PKT(level, pp, skb, ofs, msg) do {} while (0) #define IP_VS_DBG_RL_PKT(level, af, pp, skb, ofs, msg) do {} while (0)
#endif #endif
#define IP_VS_BUG() BUG() #define IP_VS_BUG() BUG()
@ -345,7 +345,7 @@ struct ip_vs_protocol {
int (*app_conn_bind)(struct ip_vs_conn *cp); int (*app_conn_bind)(struct ip_vs_conn *cp);
void (*debug_packet)(struct ip_vs_protocol *pp, void (*debug_packet)(int af, struct ip_vs_protocol *pp,
const struct sk_buff *skb, const struct sk_buff *skb,
int offset, int offset,
const char *msg); const char *msg);
@ -828,7 +828,8 @@ extern int
ip_vs_set_state_timeout(int *table, int num, const char *const *names, ip_vs_set_state_timeout(int *table, int num, const char *const *names,
const char *name, int to); const char *name, int to);
extern void extern void
ip_vs_tcpudp_debug_packet(struct ip_vs_protocol *pp, const struct sk_buff *skb, ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
const struct sk_buff *skb,
int offset, const char *msg); int offset, const char *msg);
extern struct ip_vs_protocol ip_vs_protocol_tcp; extern struct ip_vs_protocol ip_vs_protocol_tcp;

41
net/netfilter/ipvs/ip_vs_core.c
View file

@ -365,7 +365,8 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
* with persistence the connection is created on SYN+ACK. * with persistence the connection is created on SYN+ACK.
*/ */
if (pptr[0] == FTPDATA) { if (pptr[0] == FTPDATA) {
IP_VS_DBG_PKT(12, pp, skb, 0, "Not scheduling FTPDATA"); IP_VS_DBG_PKT(12, svc->af, pp, skb, 0,
"Not scheduling FTPDATA");
return NULL; return NULL;
} }
@ -376,7 +377,7 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
if ((!skb->dev || skb->dev->flags & IFF_LOOPBACK) && if ((!skb->dev || skb->dev->flags & IFF_LOOPBACK) &&
(svc->flags & IP_VS_SVC_F_PERSISTENT || svc->fwmark) && (svc->flags & IP_VS_SVC_F_PERSISTENT || svc->fwmark) &&
(cp = pp->conn_in_get(svc->af, skb, pp, &iph, iph.len, 1))) { (cp = pp->conn_in_get(svc->af, skb, pp, &iph, iph.len, 1))) {
IP_VS_DBG_PKT(12, pp, skb, 0, IP_VS_DBG_PKT(12, svc->af, pp, skb, 0,
"Not scheduling reply for existing connection"); "Not scheduling reply for existing connection");
__ip_vs_conn_put(cp); __ip_vs_conn_put(cp);
return NULL; return NULL;
@ -617,10 +618,10 @@ void ip_vs_nat_icmp(struct sk_buff *skb, struct ip_vs_protocol *pp,
skb->ip_summed = CHECKSUM_UNNECESSARY; skb->ip_summed = CHECKSUM_UNNECESSARY;
if (inout) if (inout)
IP_VS_DBG_PKT(11, pp, skb, (void *)ciph - (void *)iph, IP_VS_DBG_PKT(11, AF_INET, pp, skb, (void *)ciph - (void *)iph,
"Forwarding altered outgoing ICMP"); "Forwarding altered outgoing ICMP");
else else
IP_VS_DBG_PKT(11, pp, skb, (void *)ciph - (void *)iph, IP_VS_DBG_PKT(11, AF_INET, pp, skb, (void *)ciph - (void *)iph,
"Forwarding altered incoming ICMP"); "Forwarding altered incoming ICMP");
} }
@ -662,11 +663,13 @@ void ip_vs_nat_icmp_v6(struct sk_buff *skb, struct ip_vs_protocol *pp,
skb->ip_summed = CHECKSUM_PARTIAL; skb->ip_summed = CHECKSUM_PARTIAL;
if (inout) if (inout)
IP_VS_DBG_PKT(11, pp, skb, (void *)ciph - (void *)iph, IP_VS_DBG_PKT(11, AF_INET6, pp, skb,
"Forwarding altered outgoing ICMPv6"); (void *)ciph - (void *)iph,
"Forwarding altered outgoing ICMPv6");
else else
IP_VS_DBG_PKT(11, pp, skb, (void *)ciph - (void *)iph, IP_VS_DBG_PKT(11, AF_INET6, pp, skb,
"Forwarding altered incoming ICMPv6"); (void *)ciph - (void *)iph,
"Forwarding altered incoming ICMPv6");
} }
#endif #endif
@ -798,7 +801,8 @@ static int ip_vs_out_icmp(struct sk_buff *skb, int *related,
pp->dont_defrag)) pp->dont_defrag))
return NF_ACCEPT; return NF_ACCEPT;
IP_VS_DBG_PKT(11, pp, skb, offset, "Checking outgoing ICMP for"); IP_VS_DBG_PKT(11, AF_INET, pp, skb, offset,
"Checking outgoing ICMP for");
offset += cih->ihl * 4; offset += cih->ihl * 4;
@ -874,7 +878,8 @@ static int ip_vs_out_icmp_v6(struct sk_buff *skb, int *related,
if (unlikely(cih->nexthdr == IPPROTO_FRAGMENT && pp->dont_defrag)) if (unlikely(cih->nexthdr == IPPROTO_FRAGMENT && pp->dont_defrag))
return NF_ACCEPT; return NF_ACCEPT;
IP_VS_DBG_PKT(11, pp, skb, offset, "Checking outgoing ICMPv6 for"); IP_VS_DBG_PKT(11, AF_INET6, pp, skb, offset,
"Checking outgoing ICMPv6 for");
offset += sizeof(struct ipv6hdr); offset += sizeof(struct ipv6hdr);
@ -922,7 +927,7 @@ static unsigned int
handle_response(int af, struct sk_buff *skb, struct ip_vs_protocol *pp, handle_response(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
struct ip_vs_conn *cp, int ihl) struct ip_vs_conn *cp, int ihl)
{ {
IP_VS_DBG_PKT(11, pp, skb, 0, "Outgoing packet"); IP_VS_DBG_PKT(11, af, pp, skb, 0, "Outgoing packet");
if (!skb_make_writable(skb, ihl)) if (!skb_make_writable(skb, ihl))
goto drop; goto drop;
@ -967,7 +972,7 @@ handle_response(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
ip_route_me_harder(skb, RTN_LOCAL) != 0) ip_route_me_harder(skb, RTN_LOCAL) != 0)
goto drop; goto drop;
IP_VS_DBG_PKT(10, pp, skb, 0, "After SNAT"); IP_VS_DBG_PKT(10, af, pp, skb, 0, "After SNAT");
ip_vs_out_stats(cp, skb); ip_vs_out_stats(cp, skb);
ip_vs_set_state(cp, IP_VS_DIR_OUTPUT, skb, pp); ip_vs_set_state(cp, IP_VS_DIR_OUTPUT, skb, pp);
@ -1117,7 +1122,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
} }
} }
} }
IP_VS_DBG_PKT(12, pp, skb, 0, IP_VS_DBG_PKT(12, af, pp, skb, 0,
"ip_vs_out: packet continues traversal as normal"); "ip_vs_out: packet continues traversal as normal");
return NF_ACCEPT; return NF_ACCEPT;
} }
@ -1253,7 +1258,8 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
pp->dont_defrag)) pp->dont_defrag))
return NF_ACCEPT; return NF_ACCEPT;
IP_VS_DBG_PKT(11, pp, skb, offset, "Checking incoming ICMP for"); IP_VS_DBG_PKT(11, AF_INET, pp, skb, offset,
"Checking incoming ICMP for");
offset += cih->ihl * 4; offset += cih->ihl * 4;
@ -1364,7 +1370,8 @@ ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
if (unlikely(cih->nexthdr == IPPROTO_FRAGMENT && pp->dont_defrag)) if (unlikely(cih->nexthdr == IPPROTO_FRAGMENT && pp->dont_defrag))
return NF_ACCEPT; return NF_ACCEPT;
IP_VS_DBG_PKT(11, pp, skb, offset, "Checking incoming ICMPv6 for"); IP_VS_DBG_PKT(11, AF_INET6, pp, skb, offset,
"Checking incoming ICMPv6 for");
offset += sizeof(struct ipv6hdr); offset += sizeof(struct ipv6hdr);
@ -1492,12 +1499,12 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
if (unlikely(!cp)) { if (unlikely(!cp)) {
/* sorry, all this trouble for a no-hit :) */ /* sorry, all this trouble for a no-hit :) */
IP_VS_DBG_PKT(12, pp, skb, 0, IP_VS_DBG_PKT(12, af, pp, skb, 0,
"ip_vs_in: packet continues traversal as normal"); "ip_vs_in: packet continues traversal as normal");
return NF_ACCEPT; return NF_ACCEPT;
} }
IP_VS_DBG_PKT(11, pp, skb, 0, "Incoming packet"); IP_VS_DBG_PKT(11, af, pp, skb, 0, "Incoming packet");
/* Check the server status */ /* Check the server status */
if (cp->dest && !(cp->dest->flags & IP_VS_DEST_F_AVAILABLE)) { if (cp->dest && !(cp->dest->flags & IP_VS_DEST_F_AVAILABLE)) {

8
net/netfilter/ipvs/ip_vs_proto.c
View file

@ -172,8 +172,8 @@ ip_vs_tcpudp_debug_packet_v4(struct ip_vs_protocol *pp,
else if (ih->frag_off & htons(IP_OFFSET)) else if (ih->frag_off & htons(IP_OFFSET))
sprintf(buf, "%pI4->%pI4 frag", &ih->saddr, &ih->daddr); sprintf(buf, "%pI4->%pI4 frag", &ih->saddr, &ih->daddr);
else { else {
__be16 _ports[2], *pptr __be16 _ports[2], *pptr;
;
pptr = skb_header_pointer(skb, offset + ih->ihl*4, pptr = skb_header_pointer(skb, offset + ih->ihl*4,
sizeof(_ports), _ports); sizeof(_ports), _ports);
if (pptr == NULL) if (pptr == NULL)
@ -223,13 +223,13 @@ ip_vs_tcpudp_debug_packet_v6(struct ip_vs_protocol *pp,
void void
ip_vs_tcpudp_debug_packet(struct ip_vs_protocol *pp, ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
const struct sk_buff *skb, const struct sk_buff *skb,
int offset, int offset,
const char *msg) const char *msg)
{ {
#ifdef CONFIG_IP_VS_IPV6 #ifdef CONFIG_IP_VS_IPV6
if (skb->protocol == htons(ETH_P_IPV6)) if (af == AF_INET6)
ip_vs_tcpudp_debug_packet_v6(pp, skb, offset, msg); ip_vs_tcpudp_debug_packet_v6(pp, skb, offset, msg);
else else
#endif #endif

52
net/netfilter/ipvs/ip_vs_proto_ah_esp.c
View file

@ -117,54 +117,6 @@ ah_esp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
return 0; return 0;
} }
static void
ah_esp_debug_packet_v4(struct ip_vs_protocol *pp, const struct sk_buff *skb,
int offset, const char *msg)
{
char buf[256];
struct iphdr _iph, *ih;
ih = skb_header_pointer(skb, offset, sizeof(_iph), &_iph);
if (ih == NULL)
sprintf(buf, "TRUNCATED");
else
sprintf(buf, "%pI4->%pI4", &ih->saddr, &ih->daddr);
pr_debug("%s: %s %s\n", msg, pp->name, buf);
}
#ifdef CONFIG_IP_VS_IPV6
static void
ah_esp_debug_packet_v6(struct ip_vs_protocol *pp, const struct sk_buff *skb,
int offset, const char *msg)
{
char buf[256];
struct ipv6hdr _iph, *ih;
ih = skb_header_pointer(skb, offset, sizeof(_iph), &_iph);
if (ih == NULL)
sprintf(buf, "TRUNCATED");
else
sprintf(buf, "%pI6->%pI6", &ih->saddr, &ih->daddr);
pr_debug("%s: %s %s\n", msg, pp->name, buf);
}
#endif
static void
ah_esp_debug_packet(struct ip_vs_protocol *pp, const struct sk_buff *skb,
int offset, const char *msg)
{
#ifdef CONFIG_IP_VS_IPV6
if (skb->protocol == htons(ETH_P_IPV6))
ah_esp_debug_packet_v6(pp, skb, offset, msg);
else
#endif
ah_esp_debug_packet_v4(pp, skb, offset, msg);
}
static void ah_esp_init(struct ip_vs_protocol *pp) static void ah_esp_init(struct ip_vs_protocol *pp)
{ {
/* nothing to do now */ /* nothing to do now */
@ -195,7 +147,7 @@ struct ip_vs_protocol ip_vs_protocol_ah = {
.register_app = NULL, .register_app = NULL,
.unregister_app = NULL, .unregister_app = NULL,
.app_conn_bind = NULL, .app_conn_bind = NULL,
.debug_packet = ah_esp_debug_packet, .debug_packet = ip_vs_tcpudp_debug_packet,
.timeout_change = NULL, /* ISAKMP */ .timeout_change = NULL, /* ISAKMP */
.set_state_timeout = NULL, .set_state_timeout = NULL,
}; };
@ -219,7 +171,7 @@ struct ip_vs_protocol ip_vs_protocol_esp = {
.register_app = NULL, .register_app = NULL,
.unregister_app = NULL, .unregister_app = NULL,
.app_conn_bind = NULL, .app_conn_bind = NULL,
.debug_packet = ah_esp_debug_packet, .debug_packet = ip_vs_tcpudp_debug_packet,
.timeout_change = NULL, /* ISAKMP */ .timeout_change = NULL, /* ISAKMP */
}; };
#endif #endif

2
net/netfilter/ipvs/ip_vs_proto_sctp.c
View file

@ -176,7 +176,7 @@ sctp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
if (val != cmp) { if (val != cmp) {
/* CRC failure, dump it. */ /* CRC failure, dump it. */
IP_VS_DBG_RL_PKT(0, pp, skb, 0, IP_VS_DBG_RL_PKT(0, af, pp, skb, 0,
"Failed checksum for"); "Failed checksum for");
return 0; return 0;
} }

4
net/netfilter/ipvs/ip_vs_proto_tcp.c
View file

@ -300,7 +300,7 @@ tcp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
skb->len - tcphoff, skb->len - tcphoff,
ipv6_hdr(skb)->nexthdr, ipv6_hdr(skb)->nexthdr,
skb->csum)) { skb->csum)) {
IP_VS_DBG_RL_PKT(0, pp, skb, 0, IP_VS_DBG_RL_PKT(0, af, pp, skb, 0,
"Failed checksum for"); "Failed checksum for");
return 0; return 0;
} }
@ -311,7 +311,7 @@ tcp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
skb->len - tcphoff, skb->len - tcphoff,
ip_hdr(skb)->protocol, ip_hdr(skb)->protocol,
skb->csum)) { skb->csum)) {
IP_VS_DBG_RL_PKT(0, pp, skb, 0, IP_VS_DBG_RL_PKT(0, af, pp, skb, 0,
"Failed checksum for"); "Failed checksum for");
return 0; return 0;
} }

4
net/netfilter/ipvs/ip_vs_proto_udp.c
View file

@ -314,7 +314,7 @@ udp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
skb->len - udphoff, skb->len - udphoff,
ipv6_hdr(skb)->nexthdr, ipv6_hdr(skb)->nexthdr,
skb->csum)) { skb->csum)) {
IP_VS_DBG_RL_PKT(0, pp, skb, 0, IP_VS_DBG_RL_PKT(0, af, pp, skb, 0,
"Failed checksum for"); "Failed checksum for");
return 0; return 0;
} }
@ -325,7 +325,7 @@ udp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
skb->len - udphoff, skb->len - udphoff,
ip_hdr(skb)->protocol, ip_hdr(skb)->protocol,
skb->csum)) { skb->csum)) {
IP_VS_DBG_RL_PKT(0, pp, skb, 0, IP_VS_DBG_RL_PKT(0, af, pp, skb, 0,
"Failed checksum for"); "Failed checksum for");
return 0; return 0;
} }

18
net/netfilter/ipvs/ip_vs_xmit.c
View file

@ -543,7 +543,8 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo); struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
if (ct && !nf_ct_is_untracked(ct)) { if (ct && !nf_ct_is_untracked(ct)) {
IP_VS_DBG_RL_PKT(10, pp, skb, 0, "ip_vs_nat_xmit(): " IP_VS_DBG_RL_PKT(10, AF_INET, pp, skb, 0,
"ip_vs_nat_xmit(): "
"stopping DNAT to local address"); "stopping DNAT to local address");
goto tx_error_put; goto tx_error_put;
} }
@ -552,7 +553,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
/* From world but DNAT to loopback address? */ /* From world but DNAT to loopback address? */
if (local && ipv4_is_loopback(rt->rt_dst) && skb_rtable(skb)->fl.iif) { if (local && ipv4_is_loopback(rt->rt_dst) && skb_rtable(skb)->fl.iif) {
IP_VS_DBG_RL_PKT(1, pp, skb, 0, "ip_vs_nat_xmit(): " IP_VS_DBG_RL_PKT(1, AF_INET, pp, skb, 0, "ip_vs_nat_xmit(): "
"stopping DNAT to loopback address"); "stopping DNAT to loopback address");
goto tx_error_put; goto tx_error_put;
} }
@ -561,7 +562,8 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
mtu = dst_mtu(&rt->dst); mtu = dst_mtu(&rt->dst);
if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF))) { if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF))) {
icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu)); icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
IP_VS_DBG_RL_PKT(0, pp, skb, 0, "ip_vs_nat_xmit(): frag needed for"); IP_VS_DBG_RL_PKT(0, AF_INET, pp, skb, 0,
"ip_vs_nat_xmit(): frag needed for");
goto tx_error_put; goto tx_error_put;
} }
@ -593,7 +595,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
goto tx_error; goto tx_error;
} }
IP_VS_DBG_PKT(10, pp, skb, 0, "After DNAT"); IP_VS_DBG_PKT(10, AF_INET, pp, skb, 0, "After DNAT");
/* FIXME: when application helper enlarges the packet and the length /* FIXME: when application helper enlarges the packet and the length
is larger than the MTU of outgoing device, there will be still is larger than the MTU of outgoing device, there will be still
@ -654,7 +656,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo); struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
if (ct && !nf_ct_is_untracked(ct)) { if (ct && !nf_ct_is_untracked(ct)) {
IP_VS_DBG_RL_PKT(10, pp, skb, 0, IP_VS_DBG_RL_PKT(10, AF_INET6, pp, skb, 0,
"ip_vs_nat_xmit_v6(): " "ip_vs_nat_xmit_v6(): "
"stopping DNAT to local address"); "stopping DNAT to local address");
goto tx_error_put; goto tx_error_put;
@ -665,7 +667,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
/* From world but DNAT to loopback address? */ /* From world but DNAT to loopback address? */
if (local && skb->dev && !(skb->dev->flags & IFF_LOOPBACK) && if (local && skb->dev && !(skb->dev->flags & IFF_LOOPBACK) &&
ipv6_addr_type(&rt->rt6i_dst.addr) & IPV6_ADDR_LOOPBACK) { ipv6_addr_type(&rt->rt6i_dst.addr) & IPV6_ADDR_LOOPBACK) {
IP_VS_DBG_RL_PKT(1, pp, skb, 0, IP_VS_DBG_RL_PKT(1, AF_INET6, pp, skb, 0,
"ip_vs_nat_xmit_v6(): " "ip_vs_nat_xmit_v6(): "
"stopping DNAT to loopback address"); "stopping DNAT to loopback address");
goto tx_error_put; goto tx_error_put;
@ -680,7 +682,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
skb->dev = net->loopback_dev; skb->dev = net->loopback_dev;
} }
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu); icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
IP_VS_DBG_RL_PKT(0, pp, skb, 0, IP_VS_DBG_RL_PKT(0, AF_INET6, pp, skb, 0,
"ip_vs_nat_xmit_v6(): frag needed for"); "ip_vs_nat_xmit_v6(): frag needed for");
goto tx_error_put; goto tx_error_put;
} }
@ -706,7 +708,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
dst_release(&rt->dst); dst_release(&rt->dst);
} }
IP_VS_DBG_PKT(10, pp, skb, 0, "After DNAT"); IP_VS_DBG_PKT(10, AF_INET6, pp, skb, 0, "After DNAT");
/* FIXME: when application helper enlarges the packet and the length /* FIXME: when application helper enlarges the packet and the length
is larger than the MTU of outgoing device, there will be still is larger than the MTU of outgoing device, there will be still