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authorHenry Tieman <henry.w.tieman@intel.com>2020-11-21 03:38:30 +0300
committerTony Nguyen <anthony.l.nguyen@intel.com>2021-01-26 21:43:49 +0300
commit29e2d9eb82647654abff150ff02fa1e07362214f (patch)
tree5518e7f9999dd87a7b674c2c035fa3de63b9ad0b /drivers/net
parent07d46d93c9acdfe0614071d73c415dd5f745cc6e (diff)
downloadlinux-29e2d9eb82647654abff150ff02fa1e07362214f.tar.xz
ice: fix FDir IPv6 flexbyte
The packet classifier would occasionally misrecognize an IPv6 training packet when the next protocol field was 0. The correct value for unspecified protocol is IPPROTO_NONE. Fixes: 165d80d6adab ("ice: Support IPv6 Flow Director filters") Signed-off-by: Henry Tieman <henry.w.tieman@intel.com> Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de> Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c8
1 files changed, 7 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 2d27f66ac853..192729546bbf 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
@@ -1576,7 +1576,13 @@ ice_set_fdir_input_set(struct ice_vsi *vsi, struct ethtool_rx_flow_spec *fsp,
sizeof(struct in6_addr));
input->ip.v6.l4_header = fsp->h_u.usr_ip6_spec.l4_4_bytes;
input->ip.v6.tc = fsp->h_u.usr_ip6_spec.tclass;
- input->ip.v6.proto = fsp->h_u.usr_ip6_spec.l4_proto;
+
+ /* if no protocol requested, use IPPROTO_NONE */
+ if (!fsp->m_u.usr_ip6_spec.l4_proto)
+ input->ip.v6.proto = IPPROTO_NONE;
+ else
+ input->ip.v6.proto = fsp->h_u.usr_ip6_spec.l4_proto;
+
memcpy(input->mask.v6.dst_ip, fsp->m_u.usr_ip6_spec.ip6dst,
sizeof(struct in6_addr));
memcpy(input->mask.v6.src_ip, fsp->m_u.usr_ip6_spec.ip6src,