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Date: Mon, 1 Sep 2008 14:56:04 +0200
From: Julius Volz <juliusv@...gle.com>
To: netdev@...r.kernel.org, lvs-devel@...r.kernel.org
Cc: horms@...ge.net.au, kaber@...sh.net, vbusam@...gle.com,
Julius Volz <juliusv@...gle.com>
Subject: [PATCHv2 RFC 07/25] IPVS: Add v6 support to ip_vs_service_get()
Add support for selecting services based on their address family to
ip_vs_service_get() and adjust the callers.
Signed-off-by: Julius Volz <juliusv@...gle.com>
4 files changed, 27 insertions(+), 19 deletions(-)
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 9657bd4..d653e8b 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -783,7 +783,8 @@ extern struct ip_vs_stats ip_vs_stats;
extern const struct ctl_path net_vs_ctl_path[];
extern struct ip_vs_service *
-ip_vs_service_get(__u32 fwmark, __u16 protocol, __be32 vaddr, __be16 vport);
+ip_vs_service_get(int af, __u32 fwmark, __u16 protocol,
+ const union nf_inet_addr *vaddr, __be16 vport);
static inline void ip_vs_service_put(struct ip_vs_service *svc)
{
diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c
index aa74d20..151d368 100644
--- a/net/ipv4/ipvs/ip_vs_ctl.c
+++ b/net/ipv4/ipvs/ip_vs_ctl.c
@@ -421,23 +421,24 @@ __ip_vs_svc_fwm_get(int af, __u32 fwmark)
}
struct ip_vs_service *
-ip_vs_service_get(__u32 fwmark, __u16 protocol, __be32 vaddr, __be16 vport)
+ip_vs_service_get(int af, __u32 fwmark, __u16 protocol,
+ const union nf_inet_addr *vaddr, __be16 vport)
{
struct ip_vs_service *svc;
- union nf_inet_addr _vaddr = { .ip = vaddr };
+
read_lock(&__ip_vs_svc_lock);
/*
* Check the table hashed by fwmark first
*/
- if (fwmark && (svc = __ip_vs_svc_fwm_get(AF_INET, fwmark)))
+ if (fwmark && (svc = __ip_vs_svc_fwm_get(af, fwmark)))
goto out;
/*
* Check the table hashed by <protocol,addr,port>
* for "full" addressed entries
*/
- svc = __ip_vs_service_get(AF_INET, protocol, &_vaddr, vport);
+ svc = __ip_vs_service_get(af, protocol, vaddr, vport);
if (svc == NULL
&& protocol == IPPROTO_TCP
@@ -447,7 +448,7 @@ ip_vs_service_get(__u32 fwmark, __u16 protocol, __be32 vaddr, __be16 vport)
* Check if ftp service entry exists, the packet
* might belong to FTP data connections.
*/
- svc = __ip_vs_service_get(AF_INET, protocol, &_vaddr, FTPPORT);
+ svc = __ip_vs_service_get(af, protocol, vaddr, FTPPORT);
}
if (svc == NULL
@@ -455,16 +456,16 @@ ip_vs_service_get(__u32 fwmark, __u16 protocol, __be32 vaddr, __be16 vport)
/*
* Check if the catch-all port (port zero) exists
*/
- svc = __ip_vs_service_get(AF_INET, protocol, &_vaddr, 0);
+ svc = __ip_vs_service_get(af, protocol, vaddr, 0);
}
out:
read_unlock(&__ip_vs_svc_lock);
- IP_VS_DBG(9, "lookup service: fwm %u %s %u.%u.%u.%u:%u %s\n",
- fwmark, ip_vs_proto_name(protocol),
- NIPQUAD(vaddr), ntohs(vport),
- svc?"hit":"not hit");
+ IP_VS_DBG_BUF(9, "lookup service: fwm %u %s %s:%u %s\n",
+ fwmark, ip_vs_proto_name(protocol),
+ IP_VS_DBG_ADDR(af, vaddr), ntohs(vport),
+ svc ? "hit" : "not hit");
return svc;
}
@@ -605,8 +606,9 @@ struct ip_vs_dest *ip_vs_find_dest(__be32 daddr, __be16 dport,
{
struct ip_vs_dest *dest;
struct ip_vs_service *svc;
+ union nf_inet_addr _vaddr = { .ip = vaddr };
- svc = ip_vs_service_get(0, protocol, vaddr, vport);
+ svc = ip_vs_service_get(AF_INET, 0, protocol, &_vaddr, vport);
if (!svc)
return NULL;
dest = ip_vs_lookup_dest(svc, daddr, dport);
diff --git a/net/ipv4/ipvs/ip_vs_proto_tcp.c b/net/ipv4/ipvs/ip_vs_proto_tcp.c
index 15860e1..fe93c9e 100644
--- a/net/ipv4/ipvs/ip_vs_proto_tcp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_tcp.c
@@ -74,16 +74,19 @@ tcp_conn_schedule(struct sk_buff *skb,
{
struct ip_vs_service *svc;
struct tcphdr _tcph, *th;
+ struct ip_vs_iphdr iph;
- th = skb_header_pointer(skb, ip_hdrlen(skb), sizeof(_tcph), &_tcph);
+ ip_vs_fill_iphdr(AF_INET, skb_network_header(skb), &iph);
+
+ th = skb_header_pointer(skb, iph.len, sizeof(_tcph), &_tcph);
if (th == NULL) {
*verdict = NF_DROP;
return 0;
}
if (th->syn &&
- (svc = ip_vs_service_get(skb->mark, ip_hdr(skb)->protocol,
- ip_hdr(skb)->daddr, th->dest))) {
+ (svc = ip_vs_service_get(AF_INET, skb->mark, iph.protocol,
+ &iph.daddr, th->dest))) {
if (ip_vs_todrop()) {
/*
* It seems that we are very loaded.
diff --git a/net/ipv4/ipvs/ip_vs_proto_udp.c b/net/ipv4/ipvs/ip_vs_proto_udp.c
index 8dfad5d..5aefdf5 100644
--- a/net/ipv4/ipvs/ip_vs_proto_udp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_udp.c
@@ -80,16 +80,18 @@ udp_conn_schedule(struct sk_buff *skb, struct ip_vs_protocol *pp,
{
struct ip_vs_service *svc;
struct udphdr _udph, *uh;
+ struct ip_vs_iphdr iph;
- uh = skb_header_pointer(skb, ip_hdrlen(skb),
- sizeof(_udph), &_udph);
+ ip_vs_fill_iphdr(AF_INET, skb_network_header(skb), &iph);
+
+ uh = skb_header_pointer(skb, iph.len, sizeof(_udph), &_udph);
if (uh == NULL) {
*verdict = NF_DROP;
return 0;
}
- if ((svc = ip_vs_service_get(skb->mark, ip_hdr(skb)->protocol,
- ip_hdr(skb)->daddr, uh->dest))) {
+ if ((svc = ip_vs_service_get(AF_INET, skb->mark, iph.protocol,
+ &iph.daddr, uh->dest))) {
if (ip_vs_todrop()) {
/*
* It seems that we are very loaded.
--
1.5.4.5
--
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