github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-25 23:52:08 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

net: stmmac: dwmac-qcom-ethqos: Enable TBS on all queues but 0

Browse Source 
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.

TX queues with TBS can support etf qdisc hw offload.

This is similar to the patch raised by NXP
commit 3b12ec8f61 ("net: stmmac: dwmac-imx: set TSO/TBS TX queues default settings")

Tested-by: Andrew Halaney <ahalaney@redhat.com> # sa8775p-ride
Signed-off-by: Abhishek Chauhan <quic_abchauha@quicinc.com>
Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Abhishek Chauhan 2024-02-08 15:11:45 -08:00 committed by David S. Miller
parent f7ab791d7f
commit 0918c1dcd5
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
View File

@ -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);
}