target/linux/layerscape/patches-5.4/701-net-0176-staging-fsl-dpaa2-mac-add-pause-frames-support-for-m.patch

   1 From 182bf3ddfc0168ca2df3da477b143bab17543b65 Mon Sep 17 00:00:00 2001
   2 From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
   3 Date: Wed, 13 Mar 2019 19:12:47 +0200
   4 Subject: [PATCH] staging: fsl-dpaa2/mac: add pause frames support for managed
   5  phys
   6
   7 Read the configured dpmac options and depending on the supported
   8 features set the according advertising bit.
   9
  10 Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
  11 Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
  12 Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
  13 ---
  14  drivers/staging/fsl-dpaa2/mac/mac.c | 19 +++++++++++++++++++
  15  1 file changed, 19 insertions(+)
  16
  17 --- a/drivers/staging/fsl-dpaa2/mac/mac.c
  18 +++ b/drivers/staging/fsl-dpaa2/mac/mac.c
  19 @@ -148,6 +148,11 @@ static void dpaa2_mac_link_changed(struc
  20                 if (phydev->autoneg)
  21                         state.options |= DPMAC_LINK_OPT_AUTONEG;
  22
  23 +               if (phydev->pause && linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, phydev->advertising))
  24 +                       state.options |= DPMAC_LINK_OPT_PAUSE;
  25 +               if (phydev->pause && linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, phydev->advertising))
  26 +                       state.options |= DPMAC_LINK_OPT_ASYM_PAUSE;
  27 +
  28                 netif_carrier_on(netdev);
  29         } else {
  30                 netif_carrier_off(netdev);
  31 @@ -415,6 +420,20 @@ static void configure_link(struct dpaa2_
  32                 link_mode_dpmac2phydev(cfg->advertising, phydev->advertising);
  33         }
  34
  35 +       if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT, phydev->supported)) {
  36 +               if (cfg->options & DPMAC_LINK_OPT_PAUSE)
  37 +                       linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, phydev->advertising);
  38 +               else
  39 +                       linkmode_clear_bit(ETHTOOL_LINK_MODE_Pause_BIT, phydev->advertising);
  40 +       }
  41 +
  42 +       if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, phydev->supported)) {
  43 +               if (cfg->options & DPMAC_LINK_OPT_ASYM_PAUSE)
  44 +                       linkmode_set_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, phydev->advertising);
  45 +               else
  46 +                       linkmode_clear_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, phydev->advertising);
  47 +       }
  48 +
  49         if (cfg->options & DPMAC_LINK_OPT_AUTONEG) {
  50                 phydev->autoneg = AUTONEG_ENABLE;
  51                 linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, phydev->advertising);