Commit ad054f26 authored by Ioana Radulescu's avatar Ioana Radulescu Committed by David S. Miller
Browse files

dpaa2-eth: Add helper functions 



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

Signed-off-by: default avatarIoana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: default avatarIoana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6aa90fe2

drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c

+1 −2
Original line number Diff line number Diff line
@@ -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

drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h

+11 −0
Original line number Diff line number Diff line
@@ -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)

drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c

+2 −3
Original line number Diff line number Diff line
@@ -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;

}

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