diff options
| author | Diogo Ivo <diogo.ivo@siemens.com> | 2024-04-03 11:48:17 +0100 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-04-09 09:47:29 +0200 |
| commit | 604e603d73ec75365d9a2325991c0234ca420ac5 (patch) | |
| tree | c7f0d9b121063207d2d0746f568c7810e5979e22 | |
| parent | 95c2e689331ee53b850ea4c996831ce64a91aea2 (diff) | |
| download | net-next-604e603d73ec75365d9a2325991c0234ca420ac5.tar.gz | |
net: ti: icssg-prueth: Adjust the number of TX channels for SR1.0
As SR1.0 uses the current higher priority channel to send commands to
the firmware, take this into account when setting/getting the number
of channels to/from the user.
Based on the work of Roger Quadros in TI's 5.10 SDK [1].
[1]: https://git.ti.com/cgit/ti-linux-kernel/ti-linux-kernel/tree/?h=ti-linux-5.10.y
Co-developed-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Diogo Ivo <diogo.ivo@siemens.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
| -rw-r--r-- | drivers/net/ethernet/ti/icssg/icssg_ethtool.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/icssg/icssg_ethtool.c b/drivers/net/ethernet/ti/icssg/icssg_ethtool.c index 9a7dd7efcf6990..ca20325d4d3e0d 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_ethtool.c +++ b/drivers/net/ethernet/ti/icssg/icssg_ethtool.c @@ -142,6 +142,9 @@ static int emac_set_channels(struct net_device *ndev, emac->tx_ch_num = ch->tx_count; + if (emac->is_sr1) + emac->tx_ch_num++; + return 0; } @@ -152,8 +155,17 @@ static void emac_get_channels(struct net_device *ndev, ch->max_rx = 1; ch->max_tx = PRUETH_MAX_TX_QUEUES; + + /* Disable multiple TX channels due to timeouts + * when using more than one queue */ + if (emac->is_sr1) + ch->max_tx = 1; + ch->rx_count = 1; ch->tx_count = emac->tx_ch_num; + + if (emac->is_sr1) + ch->tx_count--; } static const struct ethtool_rmon_hist_range emac_rmon_ranges[] = { |