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authorThomas Graf <tgraf@suug.ch>2006-11-09 15:22:18 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:21:41 -0800
commitb8964ed9fa727109c9084abc807652ebfb681c18 (patch)
tree03d0c7ffb21fcba9a538c445e0fb563e392491a2
parent5f300893fdd3b6e30a226c9a848eaa39b99a6431 (diff)
downloadlinux-b8964ed9fa727109c9084abc807652ebfb681c18.tar.gz
[NET] rules: Protocol independant mark selector
Move mark selector currently implemented per protocol into the protocol independant part. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/linux/fib_rules.h2
-rw-r--r--include/net/fib_rules.h2
-rw-r--r--net/core/fib_rules.c29
-rw-r--r--net/decnet/dn_rules.c27
-rw-r--r--net/ipv4/fib_rules.c29
-rw-r--r--net/ipv6/fib6_rules.c32
6 files changed, 32 insertions, 89 deletions
diff --git a/include/linux/fib_rules.h b/include/linux/fib_rules.h
index 4418c8d9d47..adcdfbdd14d 100644
--- a/include/linux/fib_rules.h
+++ b/include/linux/fib_rules.h
@@ -34,7 +34,7 @@ enum
FRA_UNUSED3,
FRA_UNUSED4,
FRA_UNUSED5,
- FRA_FWMARK, /* netfilter mark */
+ FRA_FWMARK, /* mark */
FRA_FLOW, /* flow/class id */
FRA_UNUSED6,
FRA_UNUSED7,
diff --git a/include/net/fib_rules.h b/include/net/fib_rules.h
index 8e2f473d3e8..68542b565cf 100644
--- a/include/net/fib_rules.h
+++ b/include/net/fib_rules.h
@@ -13,6 +13,8 @@ struct fib_rule
atomic_t refcnt;
int ifindex;
char ifname[IFNAMSIZ];
+ u32 mark;
+ u32 mark_mask;
u32 pref;
u32 flags;
u32 table;
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 6b0e63cacd9..da91bf2e615 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -119,6 +119,9 @@ int fib_rules_lookup(struct fib_rules_ops *ops, struct flowi *fl,
if (rule->ifindex && (rule->ifindex != fl->iif))
continue;
+ if ((rule->mark ^ fl->mark) & rule->mark_mask)
+ continue;
+
if (!ops->match(rule, fl, flags))
continue;
@@ -179,6 +182,18 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
rule->ifindex = dev->ifindex;
}
+ if (tb[FRA_FWMARK]) {
+ rule->mark = nla_get_u32(tb[FRA_FWMARK]);
+ if (rule->mark)
+ /* compatibility: if the mark value is non-zero all bits
+ * are compared unless a mask is explicitly specified.
+ */
+ rule->mark_mask = 0xFFFFFFFF;
+ }
+
+ if (tb[FRA_FWMASK])
+ rule->mark_mask = nla_get_u32(tb[FRA_FWMASK]);
+
rule->action = frh->action;
rule->flags = frh->flags;
rule->table = frh_get_table(frh, tb);
@@ -250,6 +265,14 @@ int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
nla_strcmp(tb[FRA_IFNAME], rule->ifname))
continue;
+ if (tb[FRA_FWMARK] &&
+ (rule->mark != nla_get_u32(tb[FRA_FWMARK])))
+ continue;
+
+ if (tb[FRA_FWMASK] &&
+ (rule->mark_mask != nla_get_u32(tb[FRA_FWMASK])))
+ continue;
+
if (!ops->compare(rule, frh, tb))
continue;
@@ -298,6 +321,12 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule,
if (rule->pref)
NLA_PUT_U32(skb, FRA_PRIORITY, rule->pref);
+ if (rule->mark)
+ NLA_PUT_U32(skb, FRA_FWMARK, rule->mark);
+
+ if (rule->mark_mask || rule->mark)
+ NLA_PUT_U32(skb, FRA_FWMASK, rule->mark_mask);
+
if (ops->fill(rule, skb, nlh, frh) < 0)
goto nla_put_failure;
diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index a09c09f5572..1f5d23c9668 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -45,8 +45,6 @@ struct dn_fib_rule
__le16 dstmask;
__le16 srcmap;
u8 flags;
- u32 fwmark;
- u32 fwmask;
};
static struct dn_fib_rule default_rule = {
@@ -129,9 +127,6 @@ static int dn_fib_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
((daddr ^ r->dst) & r->dstmask))
return 0;
- if ((r->fwmark ^ fl->mark) & r->fwmask)
- return 0;
-
return 1;
}
@@ -165,18 +160,6 @@ static int dn_fib_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
if (tb[FRA_DST])
r->dst = nla_get_u16(tb[FRA_DST]);
- if (tb[FRA_FWMARK]) {
- r->fwmark = nla_get_u32(tb[FRA_FWMARK]);
- if (r->fwmark)
- /* compatibility: if the mark value is non-zero all bits
- * are compared unless a mask is explicitly specified.
- */
- r->fwmask = 0xFFFFFFFF;
- }
-
- if (tb[FRA_FWMASK])
- r->fwmask = nla_get_u32(tb[FRA_FWMASK]);
-
r->src_len = frh->src_len;
r->srcmask = dnet_make_mask(r->src_len);
r->dst_len = frh->dst_len;
@@ -197,12 +180,6 @@ static int dn_fib_rule_compare(struct fib_rule *rule, struct fib_rule_hdr *frh,
if (frh->dst_len && (r->dst_len != frh->dst_len))
return 0;
- if (tb[FRA_FWMARK] && (r->fwmark != nla_get_u32(tb[FRA_FWMARK])))
- return 0;
-
- if (tb[FRA_FWMASK] && (r->fwmask != nla_get_u32(tb[FRA_FWMASK])))
- return 0;
-
if (tb[FRA_SRC] && (r->src != nla_get_u16(tb[FRA_SRC])))
return 0;
@@ -240,10 +217,6 @@ static int dn_fib_rule_fill(struct fib_rule *rule, struct sk_buff *skb,
frh->src_len = r->src_len;
frh->tos = 0;
- if (r->fwmark)
- NLA_PUT_U32(skb, FRA_FWMARK, r->fwmark);
- if (r->fwmask || r->fwmark)
- NLA_PUT_U32(skb, FRA_FWMASK, r->fwmask);
if (r->dst_len)
NLA_PUT_U16(skb, FRA_DST, r->dst);
if (r->src_len)
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index de8d5dd7099..d2a190a35d6 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -44,8 +44,6 @@ struct fib4_rule
__be32 srcmask;
__be32 dst;
__be32 dstmask;
- u32 fwmark;
- u32 fwmask;
#ifdef CONFIG_NET_CLS_ROUTE
u32 tclassid;
#endif
@@ -158,9 +156,6 @@ static int fib4_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
if (r->tos && (r->tos != fl->fl4_tos))
return 0;
- if ((r->fwmark ^ fl->mark) & r->fwmask)
- return 0;
-
return 1;
}
@@ -216,18 +211,6 @@ static int fib4_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
if (tb[FRA_DST])
rule4->dst = nla_get_be32(tb[FRA_DST]);
- if (tb[FRA_FWMARK]) {
- rule4->fwmark = nla_get_u32(tb[FRA_FWMARK]);
- if (rule4->fwmark)
- /* compatibility: if the mark value is non-zero all bits
- * are compared unless a mask is explicitly specified.
- */
- rule4->fwmask = 0xFFFFFFFF;
- }
-
- if (tb[FRA_FWMASK])
- rule4->fwmask = nla_get_u32(tb[FRA_FWMASK]);
-
#ifdef CONFIG_NET_CLS_ROUTE
if (tb[FRA_FLOW])
rule4->tclassid = nla_get_u32(tb[FRA_FLOW]);
@@ -258,12 +241,6 @@ static int fib4_rule_compare(struct fib_rule *rule, struct fib_rule_hdr *frh,
if (frh->tos && (rule4->tos != frh->tos))
return 0;
- if (tb[FRA_FWMARK] && (rule4->fwmark != nla_get_u32(tb[FRA_FWMARK])))
- return 0;
-
- if (tb[FRA_FWMASK] && (rule4->fwmask != nla_get_u32(tb[FRA_FWMASK])))
- return 0;
-
#ifdef CONFIG_NET_CLS_ROUTE
if (tb[FRA_FLOW] && (rule4->tclassid != nla_get_u32(tb[FRA_FLOW])))
return 0;
@@ -288,12 +265,6 @@ static int fib4_rule_fill(struct fib_rule *rule, struct sk_buff *skb,
frh->src_len = rule4->src_len;
frh->tos = rule4->tos;
- if (rule4->fwmark)
- NLA_PUT_U32(skb, FRA_FWMARK, rule4->fwmark);
-
- if (rule4->fwmask || rule4->fwmark)
- NLA_PUT_U32(skb, FRA_FWMASK, rule4->fwmask);
-
if (rule4->dst_len)
NLA_PUT_BE32(skb, FRA_DST, rule4->dst);
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 89bea64eee1..26374cbe2bc 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -25,8 +25,6 @@ struct fib6_rule
struct fib_rule common;
struct rt6key src;
struct rt6key dst;
- u32 fwmark;
- u32 fwmask;
u8 tclass;
};
@@ -128,9 +126,6 @@ static int fib6_rule_match(struct fib_rule *rule, struct flowi *fl, int flags)
if (r->tclass && r->tclass != ((ntohl(fl->fl6_flowlabel) >> 20) & 0xff))
return 0;
- if ((r->fwmark ^ fl->mark) & r->fwmask)
- return 0;
-
return 1;
}
@@ -173,21 +168,6 @@ static int fib6_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
nla_memcpy(&rule6->dst.addr, tb[FRA_DST],
sizeof(struct in6_addr));
- if (tb[FRA_FWMARK]) {
- rule6->fwmark = nla_get_u32(tb[FRA_FWMARK]);
- if (rule6->fwmark) {
- /*
- * if the mark value is non-zero,
- * all bits are compared by default
- * unless a mask is explicitly specified.
- */
- rule6->fwmask = 0xFFFFFFFF;
- }
- }
-
- if (tb[FRA_FWMASK])
- rule6->fwmask = nla_get_u32(tb[FRA_FWMASK]);
-
rule6->src.plen = frh->src_len;
rule6->dst.plen = frh->dst_len;
rule6->tclass = frh->tos;
@@ -219,12 +199,6 @@ static int fib6_rule_compare(struct fib_rule *rule, struct fib_rule_hdr *frh,
nla_memcmp(tb[FRA_DST], &rule6->dst.addr, sizeof(struct in6_addr)))
return 0;
- if (tb[FRA_FWMARK] && (rule6->fwmark != nla_get_u32(tb[FRA_FWMARK])))
- return 0;
-
- if (tb[FRA_FWMASK] && (rule6->fwmask != nla_get_u32(tb[FRA_FWMASK])))
- return 0;
-
return 1;
}
@@ -246,12 +220,6 @@ static int fib6_rule_fill(struct fib_rule *rule, struct sk_buff *skb,
NLA_PUT(skb, FRA_SRC, sizeof(struct in6_addr),
&rule6->src.addr);
- if (rule6->fwmark)
- NLA_PUT_U32(skb, FRA_FWMARK, rule6->fwmark);
-
- if (rule6->fwmask || rule6->fwmark)
- NLA_PUT_U32(skb, FRA_FWMASK, rule6->fwmask);
-
return 0;
nla_put_failure: