diff options
| author | Davide Caratti <dcaratti@redhat.com> | 2023-03-29 12:54:52 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-03-31 09:24:24 +0300 |
| commit | 2384127e98db52a6ac2577924ad9cae25f3e7472 (patch) | |
| tree | c94f1a828ec19ddc2275338b9b060f72e9e184e4 | |
| parent | 46e9acb7ae2a36643b8c43f5107c072cbbc48572 (diff) | |
| download | linux-2384127e98db52a6ac2577924ad9cae25f3e7472.tar.xz | |
net/sched: act_tunnel_key: add support for "don't fragment"
extend "act_tunnel_key" to allow specifying TUNNEL_DONT_FRAGMENT.
Suggested-by: Ilya Maximets <i.maximets@ovn.org>
Reviewed-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | include/uapi/linux/tc_act/tc_tunnel_key.h | 1 | ||||
| -rw-r--r-- | net/sched/act_tunnel_key.c | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/uapi/linux/tc_act/tc_tunnel_key.h b/include/uapi/linux/tc_act/tc_tunnel_key.h index 49ad4033951b..37c6f612f161 100644 --- a/include/uapi/linux/tc_act/tc_tunnel_key.h +++ b/include/uapi/linux/tc_act/tc_tunnel_key.h @@ -34,6 +34,7 @@ enum { */ TCA_TUNNEL_KEY_ENC_TOS, /* u8 */ TCA_TUNNEL_KEY_ENC_TTL, /* u8 */ + TCA_TUNNEL_KEY_NO_FRAG, /* flag */ __TCA_TUNNEL_KEY_MAX, }; diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c index 2d12d2626415..0c8aa7e686ea 100644 --- a/net/sched/act_tunnel_key.c +++ b/net/sched/act_tunnel_key.c @@ -420,6 +420,9 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla, nla_get_u8(tb[TCA_TUNNEL_KEY_NO_CSUM])) flags &= ~TUNNEL_CSUM; + if (nla_get_flag(tb[TCA_TUNNEL_KEY_NO_FRAG])) + flags |= TUNNEL_DONT_FRAGMENT; + if (tb[TCA_TUNNEL_KEY_ENC_DST_PORT]) dst_port = nla_get_be16(tb[TCA_TUNNEL_KEY_ENC_DST_PORT]); @@ -747,6 +750,8 @@ static int tunnel_key_dump(struct sk_buff *skb, struct tc_action *a, key->tp_dst)) || nla_put_u8(skb, TCA_TUNNEL_KEY_NO_CSUM, !(key->tun_flags & TUNNEL_CSUM)) || + ((key->tun_flags & TUNNEL_DONT_FRAGMENT) && + nla_put_flag(skb, TCA_TUNNEL_KEY_NO_FRAG)) || tunnel_key_opts_dump(skb, info)) goto nla_put_failure; |