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| author | Grygorii Strashko <grygorii.strashko@ti.com> | 2023-03-27 10:57:58 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2023-03-28 15:29:22 +0200 |
| commit | 5c8560c4a19fc3e400715a347ce82bd909e3ac74 (patch) | |
| tree | 0db4f0581523e85355056dea52165d767ad6a464 /drivers/net/ethernet/ti/am65-cpsw-nuss.h | |
| parent | Merge branch 'allocate-multiple-skbuffs-on-tx' (diff) | |
| download | linux-5c8560c4a19fc3e400715a347ce82bd909e3ac74.tar.xz linux-5c8560c4a19fc3e400715a347ce82bd909e3ac74.zip | |
net: ethernet: ti: am65-cpsw: add .ndo to set dma per-queue rate
Enable rate limiting TX DMA queues for CPSW interface by configuring the
rate in absolute Mb/s units per TX queue.
Example:
ethtool -L eth0 tx 4
echo 100 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
echo 200 > /sys/class/net/eth0/queues/tx-1/tx_maxrate
echo 50 > /sys/class/net/eth0/queues/tx-2/tx_maxrate
echo 30 > /sys/class/net/eth0/queues/tx-3/tx_maxrate
# disable
echo 0 > /sys/class/net/eth0/queues/tx-0/tx_maxrate
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Link: https://lore.kernel.org/r/20230327085758.3237155-1-s-vadapalli@ti.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/ti/am65-cpsw-nuss.h')
| -rw-r--r-- | drivers/net/ethernet/ti/am65-cpsw-nuss.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.h b/drivers/net/ethernet/ti/am65-cpsw-nuss.h index cad04662739c..bf40c88fbd9b 100644 --- a/drivers/net/ethernet/ti/am65-cpsw-nuss.h +++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.h @@ -79,6 +79,7 @@ struct am65_cpsw_tx_chn { u32 id; u32 descs_num; char tx_chn_name[128]; + u32 rate_mbps; }; struct am65_cpsw_rx_chn { @@ -126,6 +127,7 @@ struct am65_cpsw_common { int usage_count; /* number of opened ports */ struct cpsw_ale *ale; int tx_ch_num; + u32 tx_ch_rate_msk; u32 rx_flow_id_base; struct am65_cpsw_tx_chn tx_chns[AM65_CPSW_MAX_TX_QUEUES]; |