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authorEsben Haabendal <esben@geanix.com>2024-01-26 12:10:42 +0300
committerPaolo Abeni <pabeni@redhat.com>2024-01-30 14:58:12 +0300
commit3b12ec8f618ebaccfe43ea4621a6f5fb586edef8 (patch)
treeab3d8ed2eb7db1bbe9235fe51a2ff483443b0b95 /drivers/net
parent4896bb7c0b31a0a3379b290ea7729900c59e0c69 (diff)
downloadlinux-3b12ec8f618ebaccfe43ea4621a6f5fb586edef8.tar.xz
net: stmmac: dwmac-imx: set TSO/TBS TX queues default settings
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 <esben@geanix.com> Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de> Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c4
1 files changed, 4 insertions, 0 deletions
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;