diff options
Diffstat (limited to 'net/core/fib_rules.c')
| -rw-r--r-- | net/core/fib_rules.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 6b0e63cacd93..da91bf2e6151 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; |