diff options
| author | Ido Schimmel <idosch@nvidia.com> | 2025-02-17 15:41:02 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-02-19 18:43:37 -0800 |
| commit | 39f970aead3c5afd81d7f4e866a8f3f8fec3dabc (patch) | |
| tree | 4f703c2fafbbbb0d8622121e1697b89d68fbe8eb | |
| parent | dfc4b67db06ce272d670cd704c13c741f38d246e (diff) | |
net: fib_rules: Add port mask attributes
Add attributes that allow matching on source and destination ports with
a mask. Matching on the source port with a mask is needed in deployments
where users encode path information into certain bits of the UDP source
port.
Temporarily set the type of the attributes to 'NLA_REJECT' while support
is being added.
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250217134109.311176-2-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/uapi/linux/fib_rules.h | 2 | ||||
| -rw-r--r-- | net/core/fib_rules.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/linux/fib_rules.h b/include/uapi/linux/fib_rules.h index 00e9890ca3c0..95ec01b15c65 100644 --- a/include/uapi/linux/fib_rules.h +++ b/include/uapi/linux/fib_rules.h @@ -70,6 +70,8 @@ enum { FRA_DSCP, /* dscp */ FRA_FLOWLABEL, /* flowlabel */ FRA_FLOWLABEL_MASK, /* flowlabel mask */ + FRA_SPORT_MASK, /* sport mask */ + FRA_DPORT_MASK, /* dport mask */ __FRA_MAX }; diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 424b4cd4e9e5..f5b1900770ec 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -784,6 +784,8 @@ static const struct nla_policy fib_rule_policy[FRA_MAX + 1] = { [FRA_DSCP] = NLA_POLICY_MAX(NLA_U8, INET_DSCP_MASK >> 2), [FRA_FLOWLABEL] = { .type = NLA_BE32 }, [FRA_FLOWLABEL_MASK] = { .type = NLA_BE32 }, + [FRA_SPORT_MASK] = { .type = NLA_REJECT }, + [FRA_DPORT_MASK] = { .type = NLA_REJECT }, }; int fib_newrule(struct net *net, struct sk_buff *skb, struct nlmsghdr *nlh, |