diff options
| author | Davide Caratti <dcaratti@redhat.com> | 2024-05-30 19:08:34 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-06-04 11:16:38 +0200 |
| commit | 668b6a2ef832a878494cc1b12a881c8ec0494b25 (patch) | |
| tree | 951e6848215c70fc3352442acdb13bf8997423f9 /include/net | |
| parent | 4fdb6b6063f07d959a1c52a2ee580afc4da34e2d (diff) | |
flow_dissector: add support for tunnel control flags
Dissect [no]csum, [no]dontfrag, [no]oam, [no]crit flags from skb metadata.
This is a prerequisite for matching these control flags using TC flower.
Suggested-by: Ilya Maximets <i.maximets@ovn.org>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/flow_dissector.h | 9 | ||||
| -rw-r--r-- | include/net/ip_tunnels.h | 12 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h index 9ab376d1a677..99626475c3f4 100644 --- a/include/net/flow_dissector.h +++ b/include/net/flow_dissector.h @@ -329,6 +329,14 @@ struct flow_dissector_key_cfm { #define FLOW_DIS_CFM_MDL_MASK GENMASK(7, 5) #define FLOW_DIS_CFM_MDL_MAX 7 +/** + * struct flow_dissector_key_enc_flags: tunnel metadata control flags + * @flags: tunnel control flags + */ +struct flow_dissector_key_enc_flags { + u32 flags; +}; + enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_CONTROL, /* struct flow_dissector_key_control */ FLOW_DISSECTOR_KEY_BASIC, /* struct flow_dissector_key_basic */ @@ -363,6 +371,7 @@ enum flow_dissector_key_id { FLOW_DISSECTOR_KEY_L2TPV3, /* struct flow_dissector_key_l2tpv3 */ FLOW_DISSECTOR_KEY_CFM, /* struct flow_dissector_key_cfm */ FLOW_DISSECTOR_KEY_IPSEC, /* struct flow_dissector_key_ipsec */ + FLOW_DISSECTOR_KEY_ENC_FLAGS, /* struct flow_dissector_key_enc_flags */ FLOW_DISSECTOR_KEY_MAX, }; diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 9a6a08ec7713..5a530d4fb02c 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -247,6 +247,18 @@ static inline bool ip_tunnel_is_options_present(const unsigned long *flags) return ip_tunnel_flags_intersect(flags, present); } +static inline void ip_tunnel_set_encflags_present(unsigned long *flags) +{ + IP_TUNNEL_DECLARE_FLAGS(present) = { }; + + __set_bit(IP_TUNNEL_CSUM_BIT, present); + __set_bit(IP_TUNNEL_DONT_FRAGMENT_BIT, present); + __set_bit(IP_TUNNEL_OAM_BIT, present); + __set_bit(IP_TUNNEL_CRIT_OPT_BIT, present); + + ip_tunnel_flags_or(flags, flags, present); +} + static inline bool ip_tunnel_flags_is_be16_compat(const unsigned long *flags) { IP_TUNNEL_DECLARE_FLAGS(supp) = { }; |