iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: stmmac: dwmac-imx: set TSO/TBS TX queues default settings

Browse Source 
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>
This commit is contained in:
Esben Haabendal 2024-01-26 10:10:42 +01:00 committed by Paolo Abeni
parent 4896bb7c0b
commit 3b12ec8f61
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/stmicro/stmmac/dwmac-imx.c
View File

@ -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;