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authorPrzemyslaw Patynowski <przemyslawx.patynowski@intel.com>2022-11-15 11:49:25 +0300
committerTony Nguyen <anthony.l.nguyen@intel.com>2022-12-05 19:30:51 +0300
commitd64aaf3f7869f915fd120763d75f11d6b116424d (patch)
tree3e51e1c64d06a029c6509a0b5a0d7b934675df10 /drivers/net/ethernet/intel
parent08501970472077ed5de346ad89943a37d1692e9b (diff)
downloadlinux-d64aaf3f7869f915fd120763d75f11d6b116424d.tar.xz
i40e: Disallow ip4 and ip6 l4_4_bytes
Return -EOPNOTSUPP, when user requests l4_4_bytes for raw IP4 or IP6 flow director filters. Flow director does not support filtering on l4 bytes for PCTYPEs used by IP4 and IP6 filters. Without this patch, user could create filters with l4_4_bytes fields, which did not do any filtering on L4, but only on L3 fields. Fixes: 36777d9fa24c ("i40e: check current configured input set when adding ntuple filters") Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com> Signed-off-by: Kamil Maziarz <kamil.maziarz@intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_ethtool.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 4a6a6e48c615..f6fa63e4253c 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -4464,11 +4464,7 @@ static int i40e_check_fdir_input_set(struct i40e_vsi *vsi,
return -EOPNOTSUPP;
/* First 4 bytes of L4 header */
- if (usr_ip4_spec->l4_4_bytes == htonl(0xFFFFFFFF))
- new_mask |= I40E_L4_SRC_MASK | I40E_L4_DST_MASK;
- else if (!usr_ip4_spec->l4_4_bytes)
- new_mask &= ~(I40E_L4_SRC_MASK | I40E_L4_DST_MASK);
- else
+ if (usr_ip4_spec->l4_4_bytes)
return -EOPNOTSUPP;
/* Filtering on Type of Service is not supported. */
@@ -4507,11 +4503,7 @@ static int i40e_check_fdir_input_set(struct i40e_vsi *vsi,
else
return -EOPNOTSUPP;
- if (usr_ip6_spec->l4_4_bytes == htonl(0xFFFFFFFF))
- new_mask |= I40E_L4_SRC_MASK | I40E_L4_DST_MASK;
- else if (!usr_ip6_spec->l4_4_bytes)
- new_mask &= ~(I40E_L4_SRC_MASK | I40E_L4_DST_MASK);
- else
+ if (usr_ip6_spec->l4_4_bytes)
return -EOPNOTSUPP;
/* Filtering on Traffic class is not supported. */