This is a note to let you know that I've just added the patch titled net: hns3: fix bug when calculating the TCAM table info to the 5.11-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-hns3-fix-bug-when-calculating-the-tcam-table-info.patch and it can be found in the queue-5.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From b36fc875bcdee56865c444a2cdae17d354a6d5f5 Mon Sep 17 00:00:00 2001 From: Jian Shen <shenjian15@xxxxxxxxxx> Date: Sat, 27 Feb 2021 15:24:53 +0800 Subject: net: hns3: fix bug when calculating the TCAM table info From: Jian Shen <shenjian15@xxxxxxxxxx> commit b36fc875bcdee56865c444a2cdae17d354a6d5f5 upstream. The function hclge_fd_convert_tuple() is used to convert tuples and tuples mask to TCAM x and y. But it misuses the source mac as source mac mask when convert INNER_SRC_MAC, which may cause the flow director rule works unexpectedly. So fix it. Fixes: 117328680288 ("net: hns3: Add input key and action config support for flow director") Signed-off-by: Jian Shen <shenjian15@xxxxxxxxxx> Signed-off-by: Huazhong Tan <tanhuazhong@xxxxxxxxxx> Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -5194,9 +5194,9 @@ static bool hclge_fd_convert_tuple(u32 t case BIT(INNER_SRC_MAC): for (i = 0; i < ETH_ALEN; i++) { calc_x(key_x[ETH_ALEN - 1 - i], rule->tuples.src_mac[i], - rule->tuples.src_mac[i]); + rule->tuples_mask.src_mac[i]); calc_y(key_y[ETH_ALEN - 1 - i], rule->tuples.src_mac[i], - rule->tuples.src_mac[i]); + rule->tuples_mask.src_mac[i]); } return true; Patches currently in stable-queue which might be from shenjian15@xxxxxxxxxx are queue-5.11/net-hns3-fix-query-vlan-mask-value-error-for-flow-director.patch queue-5.11/net-hns3-fix-bug-when-calculating-the-tcam-table-info.patch queue-5.11/net-hns3-fix-error-mask-definition-of-flow-director.patch