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| author | Paul Greenwalt <paul.greenwalt@intel.com> | 2024-08-20 17:26:16 -0400 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2024-10-08 14:37:15 -0700 |
| commit | 59f4d59b25aec39a015c0949f4ec235c7a839c44 (patch) | |
| tree | 2509bbbb752050eec414927bdde81b8c51c75e17 /drivers/net/ethernet/intel/ice/ice_hw_autogen.h | |
| parent | b699c81af0683ad5b7a7e2b3ef4ae3ff8ee41153 (diff) | |
| download | linux-59f4d59b25aec39a015c0949f4ec235c7a839c44.tar.gz linux-59f4d59b25aec39a015c0949f4ec235c7a839c44.tar.bz2 linux-59f4d59b25aec39a015c0949f4ec235c7a839c44.zip | |
ice: add E830 HW VF mailbox message limit support
E830 adds hardware support to prevent the VF from overflowing the PF
mailbox with VIRTCHNL messages. E830 will use the hardware feature
(ICE_F_MBX_LIMIT) instead of the software solution ice_is_malicious_vf().
To prevent a VF from overflowing the PF, the PF sets the number of
messages per VF that can be in the PF's mailbox queue
(ICE_MBX_OVERFLOW_WATERMARK). When the PF processes a message from a VF,
the PF decrements the per VF message count using the E830_MBX_VF_DEC_TRIG
register.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_hw_autogen.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_hw_autogen.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h index 91cbae1eec89..8d31bfe28cc8 100644 --- a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h +++ b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h @@ -539,5 +539,8 @@ #define E830_PRTMAC_CL01_QNT_THR_CL0_M GENMASK(15, 0) #define VFINT_DYN_CTLN(_i) (0x00003800 + ((_i) * 4)) #define VFINT_DYN_CTLN_CLEARPBA_M BIT(1) +#define E830_MBX_PF_IN_FLIGHT_VF_MSGS_THRESH 0x00234000 +#define E830_MBX_VF_DEC_TRIG(_VF) (0x00233800 + (_VF) * 4) +#define E830_MBX_VF_IN_FLIGHT_MSGS_AT_PF_CNT(_VF) (0x00233000 + (_VF) * 4) #endif /* _ICE_HW_AUTOGEN_H_ */ |