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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team Cc: linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] net: stmmac: dwmac-imx: set TSO/TBS TX queues default settings Date: Thu, 25 Jan 2024 13:34:34 +0100 Message-ID: <5606bb5f0b7566a20bb136b268dae89d22a48898.1706184304.git.esben@geanix.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: MIME-Version: 1.0 X-Authenticated-Sender: esben@geanix.com X-Virus-Scanned: Clear (ClamAV 0.103.10/27165/Thu Jan 25 10:51:15 2024) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240125_123443_498915_209C963D X-CRM114-Status: GOOD ( 11.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org TSO and TBS cannot coexist. For now we set i.MX Ethernet QOS controller to use TX queue with TSO and the rest for TBS. TX queues with TBS can support etf qdisc hw offload. Signed-off-by: Esben Haabendal --- drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c index 8f730ada71f9..c42e8f972833 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c @@ -353,6 +353,12 @@ static int imx_dwmac_probe(struct platform_device *pdev) if (data->flags & STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY) plat_dat->flags |= STMMAC_FLAG_HWTSTAMP_CORRECT_LATENCY; + for (int i = 0; i < plat_dat->tx_queues_to_use; i++) { + /* Default TX Q0 to use TSO and rest TXQ for TBS */ + if (i > 0) + plat_dat->tx_queues_cfg[i].tbs_en = 1; + } + plat_dat->host_dma_width = dwmac->ops->addr_width; plat_dat->init = imx_dwmac_init; plat_dat->exit = imx_dwmac_exit;