diff options
| author | Michal Swiatkowski <michal.swiatkowski@linux.intel.com> | 2021-10-12 11:31:05 -0700 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2021-10-28 11:00:20 -0700 |
| commit | 8b032a55c1bd5d47527263445aba9dc45144b00d (patch) | |
| tree | d2832345d69f044bfb3731f16005c414fce159ef /drivers/net/ethernet/intel/ice/ice_flex_pipe.c | |
| parent | 9e300987d4a81fb95c323f042dd5aa484f4eb3dd (diff) | |
ice: low level support for tunnels
Add definition of UDP tunnel dummy packets. Fill destination port value
in filter based on UDP tunnel port. Append tunnel flags to switch filter
definition in case of matching the tunnel.
Both VXLAN and Geneve are UDP tunnels, so only one new header is needed.
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_flex_pipe.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_flex_pipe.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c index e731b46270c3..8736d3ae230f 100644 --- a/drivers/net/ethernet/intel/ice/ice_flex_pipe.c +++ b/drivers/net/ethernet/intel/ice/ice_flex_pipe.c @@ -1566,6 +1566,26 @@ static struct ice_buf_build *ice_pkg_buf_alloc(struct ice_hw *hw) } /** + * ice_get_sw_prof_type - determine switch profile type + * @hw: pointer to the HW structure + * @fv: pointer to the switch field vector + */ +static enum ice_prof_type +ice_get_sw_prof_type(struct ice_hw *hw, struct ice_fv *fv) +{ + u16 i; + + for (i = 0; i < hw->blk[ICE_BLK_SW].es.fvw; i++) { + /* UDP tunnel will have UDP_OF protocol ID and VNI offset */ + if (fv->ew[i].prot_id == (u8)ICE_PROT_UDP_OF && + fv->ew[i].off == ICE_VNI_OFFSET) + return ICE_PROF_TUN_UDP; + } + + return ICE_PROF_NON_TUN; +} + +/** * ice_get_sw_fv_bitmap - Get switch field vector bitmap based on profile type * @hw: pointer to hardware structure * @req_profs: type of profiles requested @@ -1588,6 +1608,7 @@ ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs, bitmap_zero(bm, ICE_MAX_NUM_PROFILES); ice_seg = hw->seg; do { + enum ice_prof_type prof_type; u32 offset; fv = ice_pkg_enum_entry(ice_seg, &state, ICE_SID_FLD_VEC_SW, @@ -1595,7 +1616,10 @@ ice_get_sw_fv_bitmap(struct ice_hw *hw, enum ice_prof_type req_profs, ice_seg = NULL; if (fv) { - if (req_profs & ICE_PROF_NON_TUN) + /* Determine field vector type */ + prof_type = ice_get_sw_prof_type(hw, fv); + + if (req_profs & prof_type) set_bit((u16)offset, bm); } } while (fv); |