From 1ffb57beaefe23ceeb526bc238351f7725502571 Mon Sep 17 00:00:00 2001 From: Ioana Radulescu Date: Mon, 16 Sep 2019 21:04:49 +0300 Subject: [PATCH] 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: Ioana Radulescu --- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c | 3 +-- drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h | 11 +++++++++++ drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c | 5 ++--- 3 files changed, 14 insertions(+), 5 deletions(-) --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c @@ -1276,8 +1276,7 @@ static int link_state_update(struct dpaa * 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); /* Chech link state; speed / duplex changes are not treated yet */ --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h @@ -495,6 +495,17 @@ 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) --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c @@ -99,9 +99,8 @@ static void dpaa2_eth_get_pauseparam(str struct dpaa2_eth_priv *priv = netdev_priv(net_dev); u64 link_options = priv->link_state.options; - 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; }