diff options
| author | Jose Abreu <Jose.Abreu@synopsys.com> | 2020-01-13 19:24:10 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-01-14 05:31:48 +0300 |
| commit | 430b383c737ca07e83e0fe2a8d1ecdff6f4974bd (patch) | |
| tree | bffb752a852b861eef9e576b372b04c24b3d998d /drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | |
| parent | 579a25a854d482bc9d0f9ab0e07ba32fb66bd9e3 (diff) | |
| download | linux-430b383c737ca07e83e0fe2a8d1ecdff6f4974bd.tar.xz | |
net: stmmac: tc: Add support for ETF Scheduler using TBS
Adds the support for ETF scheduler using TBS feature which is available
in XGMAC and QoS IPs.
Changes from v2:
- Fix checkpatch issues (Jakub)
- Use the TBS bitfield
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 6c4686b77516..a4ce165af36b 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -727,10 +727,31 @@ disable: return ret; } +static int tc_setup_etf(struct stmmac_priv *priv, + struct tc_etf_qopt_offload *qopt) +{ + if (!priv->dma_cap.tbssel) + return -EOPNOTSUPP; + if (qopt->queue >= priv->plat->tx_queues_to_use) + return -EINVAL; + if (!(priv->tx_queue[qopt->queue].tbs & STMMAC_TBS_AVAIL)) + return -EINVAL; + + if (qopt->enable) + priv->tx_queue[qopt->queue].tbs |= STMMAC_TBS_EN; + else + priv->tx_queue[qopt->queue].tbs &= ~STMMAC_TBS_EN; + + netdev_info(priv->dev, "%s ETF for Queue %d\n", + qopt->enable ? "enabled" : "disabled", qopt->queue); + return 0; +} + const struct stmmac_tc_ops dwmac510_tc_ops = { .init = tc_init, .setup_cls_u32 = tc_setup_cls_u32, .setup_cbs = tc_setup_cbs, .setup_cls = tc_setup_cls, .setup_taprio = tc_setup_taprio, + .setup_etf = tc_setup_etf, }; |