diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/tc.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/tc.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/tc.h b/drivers/net/ethernet/sfc/tc.h index 8d2abca26c23..0f14481d2d9e 100644 --- a/drivers/net/ethernet/sfc/tc.h +++ b/drivers/net/ethernet/sfc/tc.h @@ -74,6 +74,27 @@ static inline bool efx_tc_match_is_encap(const struct efx_tc_match_fields *mask) mask->enc_ip_ttl || mask->enc_sport || mask->enc_dport; } +/** + * enum efx_tc_em_pseudo_type - &struct efx_tc_encap_match pseudo type + * + * These are used to classify "pseudo" encap matches, which don't refer + * to an entry in hardware but rather indicate that a section of the + * match space is in use by another Outer Rule. + * + * @EFX_TC_EM_DIRECT: real HW entry in Outer Rule table; not a pseudo. + * Hardware index in &struct efx_tc_encap_match.fw_id is valid. + * @EFX_TC_EM_PSEUDO_MASK: registered by an encap match which includes a + * match on an optional field (currently only ip_tos), to prevent an + * overlapping encap match _without_ optional fields. + * The pseudo encap match may be referenced again by an encap match + * with a different ip_tos value, but all ip_tos_mask must match the + * first (stored in our child_ip_tos_mask). + */ +enum efx_tc_em_pseudo_type { + EFX_TC_EM_DIRECT, + EFX_TC_EM_PSEUDO_MASK, +}; + struct efx_tc_encap_match { __be32 src_ip, dst_ip; struct in6_addr src_ip6, dst_ip6; @@ -81,8 +102,11 @@ struct efx_tc_encap_match { u8 ip_tos, ip_tos_mask; struct rhash_head linkage; enum efx_encap_type tun_type; + u8 child_ip_tos_mask; refcount_t ref; + enum efx_tc_em_pseudo_type type; u32 fw_id; /* index of this entry in firmware encap match table */ + struct efx_tc_encap_match *pseudo; /* Referenced pseudo EM if needed */ }; struct efx_tc_match { |