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From: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Date: Mon, 15 Nov 2021 02:38:01 -0500
Subject: bnxt_en: reject indirect blk offload when hw-tc-offload is off
Patch-mainline: v5.16-rc2
Git-commit: b0757491a118ae5727cf9f1c3a11544397d46596
References: jsc#SLE-18978

The driver does not check if hw-tc-offload is enabled for the device
before offloading a flow in the context of indirect block callback.
Fix this by checking NETIF_F_HW_TC in the features flag and rejecting
the offload request.  This will avoid unnecessary dmesg error logs when
hw-tc-offload is disabled, such as these:

bnxt_en 0000:19:00.1 eno2np1: dev(ifindex=294) not on same switch
bnxt_en 0000:19:00.1 eno2np1: Error: bnxt_tc_add_flow: cookie=0xffff8dace1c88000 error=-22
bnxt_en 0000:19:00.0 eno1np0: dev(ifindex=294) not on same switch
bnxt_en 0000:19:00.0 eno1np0: Error: bnxt_tc_add_flow: cookie=0xffff8dace1c88000 error=-22

Reported-by: Marcelo Ricardo Leitner <mleitner@redhat.com>
Fixes: 627c89d00fb9 ("bnxt_en: flow_offload: offload tunnel decap rules via indirect callbacks")
Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -1868,7 +1868,7 @@ static int bnxt_tc_setup_indr_block_cb(e
 	struct flow_cls_offload *flower = type_data;
 	struct bnxt *bp = priv->bp;
 
-	if (flower->common.chain_index)
+	if (!tc_cls_can_offload_and_chain0(bp->dev, type_data))
 		return -EOPNOTSUPP;
 
 	switch (type) {