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i40e: Fix add TC filter for IPv6

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[ Upstream commit 61c1e0eb8375def7c891bfe857bb795a57090526 ]

Fix insufficient distinction between IPv4 and IPv6 addresses
when creating a filter.
IPv4 and IPv6 are kept in the same memory area. If IPv6 is added,
then it's caught by IPv4 check, which leads to err -95.

Fixes: 2f4b411a3d ("i40e: Enable cloud filters via tc-flower")
Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Reviewed-by: Jaroslaw Gawin <jaroslawx.gawin@intel.com>
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:
Mateusz Palczewski 2020-12-28 11:38:00 +01:00 committed by Greg Kroah-Hartman
parent 1fe02a86fa
commit a8afe8bce4
1 changed files with 3 additions and 2 deletions
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5
drivers/net/ethernet/intel/i40e/i40e_main.c
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@ -7731,7 +7731,8 @@ int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi,
return -EOPNOTSUPP;
/* adding filter using src_port/src_ip is not supported at this stage */
if (filter->src_port || filter->src_ipv4 ||
if (filter->src_port ||
(filter->src_ipv4 && filter->n_proto != ETH_P_IPV6) ||
!ipv6_addr_any(&filter->ip.v6.src_ip6))
return -EOPNOTSUPP;
@ -7760,7 +7761,7 @@ int i40e_add_del_cloud_filter_big_buf(struct i40e_vsi *vsi,
cpu_to_le16(I40E_AQC_ADD_CLOUD_FILTER_MAC_VLAN_PORT);
}
} else if (filter->dst_ipv4 ||
} else if ((filter->dst_ipv4 && filter->n_proto != ETH_P_IPV6) ||
!ipv6_addr_any(&filter->ip.v6.dst_ip6)) {
cld_filter.element.flags =
cpu_to_le16(I40E_AQC_ADD_CLOUD_FILTER_IP_PORT);