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Message-Id: <1213204329-10973-4-git-send-email-juliusv@google.com>
Date: Wed, 11 Jun 2008 19:11:46 +0200
From: "Julius R. Volz" <juliusv@...gle.com>
To: lvs-devel@...r.kernel.org, netdev@...r.kernel.org
Cc: horms@...ge.net.au, davem@...emloft.net, vbusam@...gle.com,
"Julius R. Volz" <juliusv@...gle.com>
Subject: [PATCH 03/26] IPVS: Use new address family fields in IPVS structs.
Adjust miscellaneous code to correctly use the new af, v4 and v6 fields in
IPVS data structures where this is not already covered by other patches.
Signed-off-by: Julius R. Volz <juliusv@...gle.com>
8 files changed, 72 insertions(+), 60 deletions(-)
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index 65f1ba1..1d81cbc 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -199,8 +199,9 @@ static inline struct ip_vs_conn *__ip_vs_conn_in_get
ct_read_lock(hash);
list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
- if (s_addr==cp->caddr && s_port==cp->cport &&
- d_port==cp->vport && d_addr==cp->vaddr &&
+ if (cp->af == AF_INET &&
+ s_addr==cp->caddr.v4 && s_port==cp->cport &&
+ d_port==cp->vport && d_addr==cp->vaddr.v4 &&
((!s_port) ^ (!(cp->flags & IP_VS_CONN_F_NO_CPORT))) &&
protocol==cp->protocol) {
/* HIT */
@@ -245,8 +246,9 @@ struct ip_vs_conn *ip_vs_ct_in_get
ct_read_lock(hash);
list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
- if (s_addr==cp->caddr && s_port==cp->cport &&
- d_port==cp->vport && d_addr==cp->vaddr &&
+ if (cp->af == AF_INET &&
+ s_addr==cp->caddr.v4 && s_port==cp->cport &&
+ d_port==cp->vport && d_addr==cp->vaddr.v4 &&
cp->flags & IP_VS_CONN_F_TEMPLATE &&
protocol==cp->protocol) {
/* HIT */
@@ -288,8 +290,9 @@ struct ip_vs_conn *ip_vs_conn_out_get
ct_read_lock(hash);
list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
- if (d_addr == cp->caddr && d_port == cp->cport &&
- s_port == cp->dport && s_addr == cp->daddr &&
+ if (cp->af == AF_INET &&
+ d_addr == cp->caddr.v4 && d_port == cp->cport &&
+ s_port == cp->dport && s_addr == cp->daddr.v4 &&
protocol == cp->protocol) {
/* HIT */
atomic_inc(&cp->refcnt);
@@ -642,12 +645,13 @@ ip_vs_conn_new(int proto, __be32 caddr, __be16 cport, __be32 vaddr, __be16 vport
INIT_LIST_HEAD(&cp->c_list);
setup_timer(&cp->timer, ip_vs_conn_expire, (unsigned long)cp);
+ cp->af = AF_INET;
cp->protocol = proto;
- cp->caddr = caddr;
+ cp->caddr.v4 = caddr;
cp->cport = cport;
- cp->vaddr = vaddr;
+ cp->vaddr.v4 = vaddr;
cp->vport = vport;
- cp->daddr = daddr;
+ cp->daddr.v4 = daddr;
cp->dport = dport;
cp->flags = flags;
spin_lock_init(&cp->lock);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 963981a..9a3d0df 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -234,14 +234,14 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
snet, 0,
iph->daddr,
ports[1],
- dest->addr, dest->port,
+ dest->addr.v4, dest->port,
IP_VS_CONN_F_TEMPLATE,
dest);
else
ct = ip_vs_conn_new(iph->protocol,
snet, 0,
iph->daddr, 0,
- dest->addr, 0,
+ dest->addr.v4, 0,
IP_VS_CONN_F_TEMPLATE,
dest);
if (ct == NULL)
@@ -288,14 +288,14 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
ct = ip_vs_conn_new(IPPROTO_IP,
snet, 0,
htonl(svc->fwmark), 0,
- dest->addr, 0,
+ dest->addr.v4, 0,
IP_VS_CONN_F_TEMPLATE,
dest);
else
ct = ip_vs_conn_new(iph->protocol,
snet, 0,
iph->daddr, 0,
- dest->addr, 0,
+ dest->addr.v4, 0,
IP_VS_CONN_F_TEMPLATE,
dest);
if (ct == NULL)
@@ -315,7 +315,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
cp = ip_vs_conn_new(iph->protocol,
iph->saddr, ports[0],
iph->daddr, ports[1],
- dest->addr, dport,
+ dest->addr.v4, dport,
0,
dest);
if (cp == NULL) {
@@ -382,7 +382,7 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
cp = ip_vs_conn_new(iph->protocol,
iph->saddr, pptr[0],
iph->daddr, pptr[1],
- dest->addr, dest->port?dest->port:pptr[1],
+ dest->addr.v4, dest->port?dest->port:pptr[1],
0,
dest);
if (cp == NULL)
@@ -391,9 +391,9 @@ ip_vs_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
IP_VS_DBG(6, "Schedule fwd:%c c:%u.%u.%u.%u:%u v:%u.%u.%u.%u:%u "
"d:%u.%u.%u.%u:%u conn->flags:%X conn->refcnt:%d\n",
ip_vs_fwd_tag(cp),
- NIPQUAD(cp->caddr), ntohs(cp->cport),
- NIPQUAD(cp->vaddr), ntohs(cp->vport),
- NIPQUAD(cp->daddr), ntohs(cp->dport),
+ NIPQUAD(cp->caddr.v4), ntohs(cp->cport),
+ NIPQUAD(cp->vaddr.v4), ntohs(cp->vport),
+ NIPQUAD(cp->daddr.v4), ntohs(cp->dport),
cp->flags, atomic_read(&cp->refcnt));
ip_vs_conn_stats(cp, svc);
@@ -528,14 +528,14 @@ void ip_vs_nat_icmp(struct sk_buff *skb, struct ip_vs_protocol *pp,
struct iphdr *ciph = (struct iphdr *)(icmph + 1);
if (inout) {
- iph->saddr = cp->vaddr;
+ iph->saddr = cp->vaddr.v4;
ip_send_check(iph);
- ciph->daddr = cp->vaddr;
+ ciph->daddr = cp->vaddr.v4;
ip_send_check(ciph);
} else {
- iph->daddr = cp->daddr;
+ iph->daddr = cp->daddr.v4;
ip_send_check(iph);
- ciph->saddr = cp->daddr;
+ ciph->saddr = cp->daddr.v4;
ip_send_check(ciph);
}
@@ -764,7 +764,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb,
/* mangle the packet */
if (pp->snat_handler && !pp->snat_handler(skb, pp, cp))
goto drop;
- ip_hdr(skb)->saddr = cp->vaddr;
+ ip_hdr(skb)->saddr = cp->vaddr.v4;
ip_send_check(ip_hdr(skb));
/* For policy routing, packets originating from this
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 94c5767..dd84deb 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -374,7 +374,8 @@ __ip_vs_service_get(__u16 protocol, __be32 vaddr, __be16 vport)
hash = ip_vs_svc_hashkey(protocol, vaddr, vport);
list_for_each_entry(svc, &ip_vs_svc_table[hash], s_list){
- if ((svc->addr == vaddr)
+ if ((svc->af == AF_INET)
+ && (svc->addr.v4 == vaddr)
&& (svc->port == vport)
&& (svc->protocol == protocol)) {
/* HIT */
@@ -544,7 +545,8 @@ ip_vs_lookup_real_service(__u16 protocol, __be32 daddr, __be16 dport)
read_lock(&__ip_vs_rs_lock);
list_for_each_entry(dest, &ip_vs_rtable[hash], d_list) {
- if ((dest->addr == daddr)
+ if ((dest->af == AF_INET)
+ && (dest->addr.v4 == daddr)
&& (dest->port == dport)
&& ((dest->protocol == protocol) ||
dest->vfwmark)) {
@@ -570,7 +572,8 @@ ip_vs_lookup_dest(struct ip_vs_service *svc, __be32 daddr, __be16 dport)
* Find the destination for the given service
*/
list_for_each_entry(dest, &svc->destinations, n_list) {
- if ((dest->addr == daddr) && (dest->port == dport)) {
+ if ((dest->af == AF_INET)
+ && (dest->addr.v4 == daddr) && (dest->port == dport)) {
/* HIT */
return dest;
}
@@ -627,14 +630,15 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, __be32 daddr, __be16 dport)
IP_VS_DBG(3, "Destination %u/%u.%u.%u.%u:%u still in trash, "
"dest->refcnt=%d\n",
dest->vfwmark,
- NIPQUAD(dest->addr), ntohs(dest->port),
+ NIPQUAD(dest->addr.v4), ntohs(dest->port),
atomic_read(&dest->refcnt));
- if (dest->addr == daddr &&
+ if (dest->af == AF_INET &&
+ dest->addr.v4 == daddr &&
dest->port == dport &&
dest->vfwmark == svc->fwmark &&
dest->protocol == svc->protocol &&
(svc->fwmark ||
- (dest->vaddr == svc->addr &&
+ (dest->vaddr.v4 == svc->addr.v4 &&
dest->vport == svc->port))) {
/* HIT */
return dest;
@@ -647,7 +651,7 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, __be32 daddr, __be16 dport)
IP_VS_DBG(3, "Removing destination %u/%u.%u.%u.%u:%u "
"from trash\n",
dest->vfwmark,
- NIPQUAD(dest->addr), ntohs(dest->port));
+ NIPQUAD(dest->addr.v4), ntohs(dest->port));
list_del(&dest->n_list);
ip_vs_dst_reset(dest);
__ip_vs_unbind_svc(dest);
@@ -766,11 +770,12 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest,
return -ENOMEM;
}
+ dest->af = svc->af;
dest->protocol = svc->protocol;
dest->vaddr = svc->addr;
dest->vport = svc->port;
dest->vfwmark = svc->fwmark;
- dest->addr = udest->addr;
+ ip_vs_copy_addr(dest->addr, udest->addr);
dest->port = udest->port;
atomic_set(&dest->activeconns, 0);
@@ -1085,8 +1090,9 @@ ip_vs_add_service(struct ip_vs_service_user *u, struct ip_vs_service **svc_p)
atomic_set(&svc->usecnt, 1);
atomic_set(&svc->refcnt, 0);
+ svc->af = u->af;
svc->protocol = u->protocol;
- svc->addr = u->addr;
+ ip_vs_copy_addr(svc->addr,u->addr);
svc->port = u->port;
svc->fwmark = u->fwmark;
svc->flags = u->flags;
@@ -2022,8 +2028,9 @@ ip_vs_copy_stats(struct ip_vs_stats_user *dst, struct ip_vs_stats *src)
static void
ip_vs_copy_service(struct ip_vs_service_entry *dst, struct ip_vs_service *src)
{
+ dst->af = src->af;
dst->protocol = src->protocol;
- dst->addr = src->addr;
+ ip_vs_copy_addr(dst->addr,src->addr);
dst->port = src->port;
dst->fwmark = src->fwmark;
strlcpy(dst->sched_name, src->scheduler->name, sizeof(dst->sched_name));
@@ -2097,7 +2104,8 @@ __ip_vs_get_dest_entries(const struct ip_vs_get_dests *get,
if (count >= get->num_dests)
break;
- entry.addr = dest->addr;
+ entry.af = dest->af;
+ ip_vs_copy_addr(entry.addr,dest->addr);
entry.port = dest->port;
entry.conn_flags = atomic_read(&dest->conn_flags);
entry.weight = atomic_read(&dest->weight);
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 59aa166..6542fa9 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -174,17 +174,17 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
IP_VS_DBG(7, "PASV response (%u.%u.%u.%u:%d) -> "
"%u.%u.%u.%u:%d detected\n",
- NIPQUAD(from), ntohs(port), NIPQUAD(cp->caddr), 0);
+ NIPQUAD(from), ntohs(port), NIPQUAD(cp->caddr.v4), 0);
/*
* Now update or create an connection entry for it
*/
n_cp = ip_vs_conn_out_get(iph->protocol, from, port,
- cp->caddr, 0);
+ cp->caddr.v4, 0);
if (!n_cp) {
n_cp = ip_vs_conn_new(IPPROTO_TCP,
- cp->caddr, 0,
- cp->vaddr, port,
+ cp->caddr.v4, 0,
+ cp->vaddr.v4, port,
from, port,
IP_VS_CONN_F_NO_CPORT,
cp->dest);
@@ -198,7 +198,7 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
/*
* Replace the old passive address with the new one
*/
- from = n_cp->vaddr;
+ from = n_cp->vaddr.v4;
port = n_cp->vport;
sprintf(buf,"%d,%d,%d,%d,%d,%d", NIPQUAD(from),
(ntohs(port)>>8)&255, ntohs(port)&255);
@@ -308,16 +308,16 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
*/
IP_VS_DBG(7, "protocol %s %u.%u.%u.%u:%d %u.%u.%u.%u:%d\n",
ip_vs_proto_name(iph->protocol),
- NIPQUAD(to), ntohs(port), NIPQUAD(cp->vaddr), 0);
+ NIPQUAD(to), ntohs(port), NIPQUAD(cp->vaddr.v4), 0);
n_cp = ip_vs_conn_in_get(iph->protocol,
to, port,
- cp->vaddr, htons(ntohs(cp->vport)-1));
+ cp->vaddr.v4, htons(ntohs(cp->vport)-1));
if (!n_cp) {
n_cp = ip_vs_conn_new(IPPROTO_TCP,
to, port,
- cp->vaddr, htons(ntohs(cp->vport)-1),
- cp->daddr, htons(ntohs(cp->dport)-1),
+ cp->vaddr.v4, htons(ntohs(cp->vport)-1),
+ cp->daddr.v4, htons(ntohs(cp->dport)-1),
0,
cp->dest);
if (!n_cp)
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index b83dc14..6068c47 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -149,7 +149,7 @@ tcp_snat_handler(struct sk_buff *skb,
/* Adjust TCP checksums */
if (!cp->app) {
/* Only port and addr are changed, do fast csum update */
- tcp_fast_csum_update(tcph, cp->daddr, cp->vaddr,
+ tcp_fast_csum_update(tcph, cp->daddr.v4, cp->vaddr.v4,
cp->dport, cp->vport);
if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->ip_summed = CHECKSUM_NONE;
@@ -157,7 +157,7 @@ tcp_snat_handler(struct sk_buff *skb,
/* full checksum calculation */
tcph->check = 0;
skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0);
- tcph->check = csum_tcpudp_magic(cp->vaddr, cp->caddr,
+ tcph->check = csum_tcpudp_magic(cp->vaddr.v4, cp->caddr.v4,
skb->len - tcphoff,
cp->protocol, skb->csum);
IP_VS_DBG(11, "O-pkt: %s O-csum=%d (+%zd)\n",
@@ -200,7 +200,7 @@ tcp_dnat_handler(struct sk_buff *skb,
*/
if (!cp->app) {
/* Only port and addr are changed, do fast csum update */
- tcp_fast_csum_update(tcph, cp->vaddr, cp->daddr,
+ tcp_fast_csum_update(tcph, cp->vaddr.v4, cp->daddr.v4,
cp->vport, cp->dport);
if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->ip_summed = CHECKSUM_NONE;
@@ -208,7 +208,7 @@ tcp_dnat_handler(struct sk_buff *skb,
/* full checksum calculation */
tcph->check = 0;
skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0);
- tcph->check = csum_tcpudp_magic(cp->caddr, cp->daddr,
+ tcph->check = csum_tcpudp_magic(cp->caddr.v4, cp->daddr.v4,
skb->len - tcphoff,
cp->protocol, skb->csum);
skb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
index 75771cb..0bcc17a 100644
--- a/net/netfilter/ipvs/ip_vs_proto_udp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
@@ -160,7 +160,7 @@ udp_snat_handler(struct sk_buff *skb,
*/
if (!cp->app && (udph->check != 0)) {
/* Only port and addr are changed, do fast csum update */
- udp_fast_csum_update(udph, cp->daddr, cp->vaddr,
+ udp_fast_csum_update(udph, cp->daddr.v4, cp->vaddr.v4,
cp->dport, cp->vport);
if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->ip_summed = CHECKSUM_NONE;
@@ -168,7 +168,7 @@ udp_snat_handler(struct sk_buff *skb,
/* full checksum calculation */
udph->check = 0;
skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0);
- udph->check = csum_tcpudp_magic(cp->vaddr, cp->caddr,
+ udph->check = csum_tcpudp_magic(cp->vaddr.v4, cp->caddr.v4,
skb->len - udphoff,
cp->protocol, skb->csum);
if (udph->check == 0)
@@ -213,7 +213,7 @@ udp_dnat_handler(struct sk_buff *skb,
*/
if (!cp->app && (udph->check != 0)) {
/* Only port and addr are changed, do fast csum update */
- udp_fast_csum_update(udph, cp->vaddr, cp->daddr,
+ udp_fast_csum_update(udph, cp->vaddr.v4, cp->daddr.v4,
cp->vport, cp->dport);
if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->ip_summed = CHECKSUM_NONE;
@@ -221,7 +221,7 @@ udp_dnat_handler(struct sk_buff *skb,
/* full checksum calculation */
udph->check = 0;
skb->csum = skb_checksum(skb, udphoff, skb->len - udphoff, 0);
- udph->check = csum_tcpudp_magic(cp->caddr, cp->daddr,
+ udph->check = csum_tcpudp_magic(cp->caddr.v4, cp->daddr.v4,
skb->len - udphoff,
cp->protocol, skb->csum);
if (udph->check == 0)
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index eff54ef..bdd5cf0 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -245,9 +245,9 @@ void ip_vs_sync_conn(struct ip_vs_conn *cp)
s->cport = cp->cport;
s->vport = cp->vport;
s->dport = cp->dport;
- s->caddr = cp->caddr;
- s->vaddr = cp->vaddr;
- s->daddr = cp->daddr;
+ s->caddr = cp->caddr.v4;
+ s->vaddr = cp->vaddr.v4;
+ s->daddr = cp->daddr.v4;
s->flags = htons(cp->flags & ~IP_VS_CONN_F_HASHED);
s->state = htons(cp->state);
if (cp->flags & IP_VS_CONN_F_SEQ_MASK) {
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index f63006c..6b6ce6b 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -73,7 +73,7 @@ __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
.oif = 0,
.nl_u = {
.ip4_u = {
- .daddr = dest->addr,
+ .daddr = dest->addr.v4,
.saddr = 0,
.tos = rtos, } },
};
@@ -82,12 +82,12 @@ __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
spin_unlock(&dest->dst_lock);
IP_VS_DBG_RL("ip_route_output error, "
"dest: %u.%u.%u.%u\n",
- NIPQUAD(dest->addr));
+ NIPQUAD(dest->addr.v4));
return NULL;
}
__ip_vs_dst_set(dest, rtos, dst_clone(&rt->u.dst));
IP_VS_DBG(10, "new dst %u.%u.%u.%u, refcnt=%d, rtos=%X\n",
- NIPQUAD(dest->addr),
+ NIPQUAD(dest->addr.v4),
atomic_read(&rt->u.dst.__refcnt), rtos);
}
spin_unlock(&dest->dst_lock);
@@ -96,14 +96,14 @@ __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
.oif = 0,
.nl_u = {
.ip4_u = {
- .daddr = cp->daddr,
+ .daddr = cp->daddr.v4,
.saddr = 0,
.tos = rtos, } },
};
if (ip_route_output_key(&init_net, &rt, &fl)) {
IP_VS_DBG_RL("ip_route_output error, dest: "
- "%u.%u.%u.%u\n", NIPQUAD(cp->daddr));
+ "%u.%u.%u.%u\n", NIPQUAD(cp->daddr.v4));
return NULL;
}
}
@@ -266,7 +266,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
/* mangle the packet */
if (pp->dnat_handler && !pp->dnat_handler(skb, pp, cp))
goto tx_error;
- ip_hdr(skb)->daddr = cp->daddr;
+ ip_hdr(skb)->daddr = cp->daddr.v4;
ip_send_check(ip_hdr(skb));
IP_VS_DBG_PKT(10, pp, skb, 0, "After DNAT");
--
1.5.3.6
--
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