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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 /net/core/fib_rules.c
parent5f300893fdd3b6e30a226c9a848eaa39b99a6431 (diff)
downloadlinux-2.6.38-lt-ux500-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>
Diffstat (limited to 'net/core/fib_rules.c')
-rw-r--r--net/core/fib_rules.c29
1 files changed, 29 insertions, 0 deletions
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;