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ice: fix FDir IPv6 flexbyte

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[ Upstream commit 29e2d9eb82 ]

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: 165d80d6ad ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Henry Tieman
2020-11-20 16:38:30 -08:00
committed by Greg Kroah-Hartman
parent 1c3b27b05a
commit bdcd8b9d82
1 changed files with 7 additions and 1 deletions
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8
drivers/net/ethernet/intel/ice/ice_ethtool_fdir.c
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@@ -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,