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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Maxime Coquelin Cc: Rohan G Thomas , "Abhishek Chauhan (ABC)" , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] net: stmmac: dwmac-imx: set TSO/TBS TX queues default settings Date: Fri, 26 Jan 2024 10:10:42 +0100 Message-ID: <379f79687ca4a7d0394a04d14fb3890ce257e706.1706256158.git.esben@geanix.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789147242808009045 X-GMAIL-MSGID: 1789147242808009045 TSO and TBS cannot coexist. For now we set i.MX Ethernet QOS controller to use the first TX queue with TSO and the rest for TBS. TX queues with TBS can support etf qdisc hw offload. Signed-off-by: Esben Haabendal Reviewed-by: Kurt Kanzenbach Reviewed-by: Vadim Fedorenko --- drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c index 8f730ada71f9..6b65420e11b5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c @@ -353,6 +353,10 @@ 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; + /* Default TX Q0 to use TSO and rest TXQ for TBS */ + for (int i = 1; i < plat_dat->tx_queues_to_use; i++) + 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;