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From: Abhishek Chauhan <quic_abchauha@quicinc.com>
To: Vinod Koul <vkoul@kernel.org>, Bhupesh Sharma <bhupesh.sharma@linaro.org>,
        Andy Gross <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        Jose Abreu <joabreu@synopsys.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>, netdev@vger.kernel.org,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
        Prasad Sodagudi <psodagud@quicinc.com>,
        Andrew Halaney <ahalaney@redhat.com>, Rob Herring <robh@kernel.org>
Cc: kernel@quicinc.com
Subject: [PATCH v1] TSO and TBS cannot co-exist. TBS requires special descriptor to be allocated at bootup. Initialising Tx queues at probe to support TSO and TBS can help in allocating those resources at bootup.
Date: Tue,  6 Feb 2024 13:27:34 -0800
Message-Id: <20240206212734.1209920-1-quic_abchauha@quicinc.com>
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TX queues with TBS can support etf qdisc hw offload.

Signed-off-by: Abhishek Chauhan <quic_abchauha@quicinc.com>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index 31631e3f89d0..d2f9b8f6c027 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -728,7 +728,7 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 	struct stmmac_resources stmmac_res;
 	struct device *dev = &pdev->dev;
 	struct qcom_ethqos *ethqos;
-	int ret;
+	int ret, i;
 
 	ret = stmmac_get_platform_resources(pdev, &stmmac_res);
 	if (ret)
@@ -822,6 +822,10 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 		plat_dat->serdes_powerdown  = qcom_ethqos_serdes_powerdown;
 	}
 
+	/*Enable TSO on queue0 and enable TBS on rest of the queues*/
+	for (i = 1; i < plat_dat->tx_queues_to_use; i++)
+		plat_dat->tx_queues_cfg[i].tbs_en = 1;
+
 	return devm_stmmac_pltfr_probe(pdev, plat_dat, &stmmac_res);
 }
 
-- 
2.25.1