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authorAhmed Zaki <[email protected]>2024-06-14 13:18:42 +0000
committerTony Nguyen <[email protected]>2024-07-23 22:26:41 +0000
commit6ebbe97a488179f5dc85f2f1e0c89b486e99ee97 (patch)
treeb2af4165ff72155aea1fcc54717c30a5543f1767 /drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
parentnet: bonding: correctly annotate RCU in bond_should_notify_peers() (diff)
downloadkernel-6ebbe97a488179f5dc85f2f1e0c89b486e99ee97.tar.gz
kernel-6ebbe97a488179f5dc85f2f1e0c89b486e99ee97.zip
ice: Add a per-VF limit on number of FDIR filters
While the iavf driver adds a s/w limit (128) on the number of FDIR filters that the VF can request, a malicious VF driver can request more than that and exhaust the resources for other VFs. Add a similar limit in ice. CC: [email protected] Fixes: 1f7ea1cd6a37 ("ice: Enable FDIR Configure for AVF") Reviewed-by: Przemek Kitszel <[email protected]> Suggested-by: Sridhar Samudrala <[email protected]> Signed-off-by: Ahmed Zaki <[email protected]> Reviewed-by: Wojciech Drewek <[email protected]> Tested-by: Rafal Romanowski <[email protected]> Signed-off-by: Tony Nguyen <[email protected]>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
index e3cab8e98f52..5412eff8ef23 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
@@ -534,7 +534,7 @@ ice_parse_rx_flow_user_data(struct ethtool_rx_flow_spec *fsp,
*
* Returns the number of available flow director filters to this VSI
*/
-static int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi)
+int ice_fdir_num_avail_fltr(struct ice_hw *hw, struct ice_vsi *vsi)
{
u16 vsi_num = ice_get_hw_vsi_num(hw, vsi->idx);
u16 num_guar;