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dpaa2-eth: Add helper functions

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Add convenient helper functions that determines whether Rx/Tx pause
frames are enabled based on link state flags received from firmware.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ioana Radulescu 2020-05-31 00:08:10 +03:00 committed by David S. Miller
parent 6aa90fe2d9
commit ad054f2654
3 changed files with 14 additions and 5 deletions
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3
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
View File

@ -1333,8 +1333,7 @@ static int link_state_update(struct dpaa2_eth_priv *priv)
* Rx FQ taildrop configuration as well. We configure taildrop
* only when pause frame generation is disabled.
*/
tx_pause = !!(state.options & DPNI_LINK_OPT_PAUSE) ^
!!(state.options & DPNI_LINK_OPT_ASYM_PAUSE);
tx_pause = dpaa2_eth_tx_pause_enabled(state.options);
dpaa2_eth_set_rx_taildrop(priv, !tx_pause);
/* When we manage the MAC/PHY using phylink there is no need

11
drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
View File

@ -510,6 +510,17 @@ enum dpaa2_eth_rx_dist {
(dpaa2_eth_cmp_dpni_ver((priv), DPNI_PAUSE_VER_MAJOR, \
DPNI_PAUSE_VER_MINOR) >= 0)
static inline bool dpaa2_eth_tx_pause_enabled(u64 link_options)
{
return !!(link_options & DPNI_LINK_OPT_PAUSE) ^
!!(link_options & DPNI_LINK_OPT_ASYM_PAUSE);
}
static inline bool dpaa2_eth_rx_pause_enabled(u64 link_options)
{
return !!(link_options & DPNI_LINK_OPT_PAUSE);
}
static inline
unsigned int dpaa2_eth_needed_headroom(struct dpaa2_eth_priv *priv,
struct sk_buff *skb)

5
drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
View File

@ -130,9 +130,8 @@ static void dpaa2_eth_get_pauseparam(struct net_device *net_dev,
return;
}
pause->rx_pause = !!(link_options & DPNI_LINK_OPT_PAUSE);
pause->tx_pause = pause->rx_pause ^
!!(link_options & DPNI_LINK_OPT_ASYM_PAUSE);
pause->rx_pause = dpaa2_eth_rx_pause_enabled(link_options);
pause->tx_pause = dpaa2_eth_tx_pause_enabled(link_options);
pause->autoneg = AUTONEG_DISABLE;
}