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[NET]: Introduce RTA_TABLE/FRA_TABLE attributes

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Introduce RTA_TABLE route attribute and FRA_TABLE routing rule attribute
to hold 32 bit routing table IDs. Usespace compatibility is provided by
continuing to accept and send the rtm_table field, but because of its
limited size it can only carry the low 8 bits of the table ID. This
implies that if larger IDs are used, _all_ userspace programs using them
need to use RTA_TABLE.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2006-08-10 23:09:48 -07:00 • committed by David S. Miller
parent 2dfe55b47e
commit 9e762a4a89
13 changed files with 45 additions and 12 deletions
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5
net/core/fib_rules.c
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@ -187,7 +187,7 @@ int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
rule->action = frh->action;
rule->flags = frh->flags;
rule->table = frh->table;
rule->table = frh_get_table(frh, tb);
if (!rule->pref && ops->default_pref)
rule->pref = ops->default_pref();
@ -245,7 +245,7 @@ int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
if (frh->action && (frh->action != rule->action))
continue;
if (frh->table && (frh->table != rule->table))
if (frh->table && (frh_get_table(frh, tb) != rule->table))
continue;
if (tb[FRA_PRIORITY] &&
@ -291,6 +291,7 @@ static int fib_nl_fill_rule(struct sk_buff *skb, struct fib_rule *rule,
frh = nlmsg_data(nlh);
frh->table = rule->table;
NLA_PUT_U32(skb, FRA_TABLE, rule->table);
frh->res1 = 0;
frh->res2 = 0;
frh->action = rule->action;