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ice: implement new LLDP filter command

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There is an issue with some NVMs where an already existent LLDP
filter is blocking the creation of a filter to allow LLDP packets
to be redirected to the default VSI for the interface.  This is
blocking all LLDP functionality based in the kernel when the FW
LLDP agent is disabled (e.g. software based DCBx).

Implement the new AQ command to allow adding VSI destinations to
existent filters on NVM versions that support the new command.

The new lldp_fltr_ctrl AQ command supports Rx filters only, so the
code flow for adding filters to disable Tx of control frames will
remain intact.

Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Dave Ertman
2020-09-17 13:13:39 -07:00
committed by Tony Nguyen
parent 382e0a6880
commit 34295a3696
6 changed files with 82 additions and 8 deletions
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3
drivers/net/ethernet/intel/ice/ice_common.h
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@@ -175,4 +175,7 @@ ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
enum ice_status
ice_aq_set_lldp_mib(struct ice_hw *hw, u8 mib_type, void *buf, u16 buf_size,
struct ice_sq_cd *cd);
bool ice_fw_supports_lldp_fltr_ctrl(struct ice_hw *hw);
enum ice_status
ice_lldp_fltr_add_remove(struct ice_hw *hw, u16 vsi_num, bool add);
#endif /* _ICE_COMMON_H_ */