Message ID | 20200528094410.2658306-1-olteanv@gmail.com |
---|---|
State | Superseded |
Delegated to: | David Miller |
Headers | show |
Series | [net-next] net: dsa: felix: support half-duplex link modes | expand |
On Thu, 28 May 2020 at 12:44, Vladimir Oltean <olteanv@gmail.com> wrote: > > From: Vladimir Oltean <vladimir.oltean@nxp.com> > > Ping tested: > > [ 11.808455] mscc_felix 0000:00:00.5 swp0: Link is Up - 1Gbps/Full - flow control rx/tx > [ 11.816497] IPv6: ADDRCONF(NETDEV_CHANGE): swp0: link becomes ready > > [root@LS1028ARDB ~] # ethtool -s swp0 advertise 0x4 > [ 18.844591] mscc_felix 0000:00:00.5 swp0: Link is Down > [ 22.048337] mscc_felix 0000:00:00.5 swp0: Link is Up - 100Mbps/Half - flow control off > > [root@LS1028ARDB ~] # ip addr add 192.168.1.1/24 dev swp0 > > [root@LS1028ARDB ~] # ping 192.168.1.2 > PING 192.168.1.2 (192.168.1.2): 56 data bytes > (...) > ^C--- 192.168.1.2 ping statistics --- > 3 packets transmitted, 3 packets received, 0% packet loss > round-trip min/avg/max = 0.383/0.611/1.051 ms > > [root@LS1028ARDB ~] # ethtool -s swp0 advertise 0x10 > [ 355.637747] mscc_felix 0000:00:00.5 swp0: Link is Down > [ 358.788034] mscc_felix 0000:00:00.5 swp0: Link is Up - 1Gbps/Half - flow control off > > [root@LS1028ARDB ~] # ping 192.168.1.2 > PING 192.168.1.2 (192.168.1.2): 56 data bytes > (...) > ^C > --- 192.168.1.2 ping statistics --- > 16 packets transmitted, 16 packets received, 0% packet loss > round-trip min/avg/max = 0.301/0.384/1.138 ms > > Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> > --- The commit message of this patch is trimmed when downloading from patchwork due to the "---" output from ping. I'll resend. > drivers/net/dsa/ocelot/felix.c | 4 +++- > drivers/net/dsa/ocelot/felix_vsc9959.c | 13 ++++++++----- > 2 files changed, 11 insertions(+), 6 deletions(-) > > diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c > index 66648986e6e3..e5ec1bf90eb0 100644 > --- a/drivers/net/dsa/ocelot/felix.c > +++ b/drivers/net/dsa/ocelot/felix.c > @@ -171,14 +171,16 @@ static void felix_phylink_validate(struct dsa_switch *ds, int port, > return; > } > > - /* No half-duplex. */ > phylink_set_port_modes(mask); > phylink_set(mask, Autoneg); > phylink_set(mask, Pause); > phylink_set(mask, Asym_Pause); > phylink_set(mask, 10baseT_Full); > + phylink_set(mask, 10baseT_Half); > phylink_set(mask, 100baseT_Full); > + phylink_set(mask, 100baseT_Half); > phylink_set(mask, 1000baseT_Full); > + phylink_set(mask, 1000baseT_Half); > > if (state->interface == PHY_INTERFACE_MODE_INTERNAL || > state->interface == PHY_INTERFACE_MODE_2500BASEX || > diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c > index 1dd9e348152d..e706677bcb01 100644 > --- a/drivers/net/dsa/ocelot/felix_vsc9959.c > +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c > @@ -817,12 +817,12 @@ static void vsc9959_pcs_init_sgmii(struct phy_device *pcs, > > phy_write(pcs, MII_BMCR, BMCR_ANRESTART | BMCR_ANENABLE); > } else { > + u16 duplex = 0; > int speed; > > - if (state->duplex == DUPLEX_HALF) { > - phydev_err(pcs, "Half duplex not supported\n"); > - return; > - } > + if (state->duplex == DUPLEX_FULL) > + duplex = BMCR_FULLDPLX; > + > switch (state->speed) { > case SPEED_1000: > speed = ENETC_PCS_SPEED_1000; > @@ -848,7 +848,7 @@ static void vsc9959_pcs_init_sgmii(struct phy_device *pcs, > /* Yes, not a mistake: speed is given by IF_MODE. */ > phy_write(pcs, MII_BMCR, BMCR_RESET | > BMCR_SPEED1000 | > - BMCR_FULLDPLX); > + duplex); > } > } > > @@ -925,8 +925,11 @@ static void vsc9959_pcs_init(struct ocelot *ocelot, int port, > ARRAY_SIZE(phy_basic_ports_array), > pcs->supported); > linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, pcs->supported); > + linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, pcs->supported); > linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, pcs->supported); > + linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, pcs->supported); > linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, pcs->supported); > + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, pcs->supported); > if (pcs->interface == PHY_INTERFACE_MODE_2500BASEX || > pcs->interface == PHY_INTERFACE_MODE_USXGMII) > linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT, > -- > 2.25.1 >
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c index 66648986e6e3..e5ec1bf90eb0 100644 --- a/drivers/net/dsa/ocelot/felix.c +++ b/drivers/net/dsa/ocelot/felix.c @@ -171,14 +171,16 @@ static void felix_phylink_validate(struct dsa_switch *ds, int port, return; } - /* No half-duplex. */ phylink_set_port_modes(mask); phylink_set(mask, Autoneg); phylink_set(mask, Pause); phylink_set(mask, Asym_Pause); phylink_set(mask, 10baseT_Full); + phylink_set(mask, 10baseT_Half); phylink_set(mask, 100baseT_Full); + phylink_set(mask, 100baseT_Half); phylink_set(mask, 1000baseT_Full); + phylink_set(mask, 1000baseT_Half); if (state->interface == PHY_INTERFACE_MODE_INTERNAL || state->interface == PHY_INTERFACE_MODE_2500BASEX || diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index 1dd9e348152d..e706677bcb01 100644 --- a/drivers/net/dsa/ocelot/felix_vsc9959.c +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -817,12 +817,12 @@ static void vsc9959_pcs_init_sgmii(struct phy_device *pcs, phy_write(pcs, MII_BMCR, BMCR_ANRESTART | BMCR_ANENABLE); } else { + u16 duplex = 0; int speed; - if (state->duplex == DUPLEX_HALF) { - phydev_err(pcs, "Half duplex not supported\n"); - return; - } + if (state->duplex == DUPLEX_FULL) + duplex = BMCR_FULLDPLX; + switch (state->speed) { case SPEED_1000: speed = ENETC_PCS_SPEED_1000; @@ -848,7 +848,7 @@ static void vsc9959_pcs_init_sgmii(struct phy_device *pcs, /* Yes, not a mistake: speed is given by IF_MODE. */ phy_write(pcs, MII_BMCR, BMCR_RESET | BMCR_SPEED1000 | - BMCR_FULLDPLX); + duplex); } } @@ -925,8 +925,11 @@ static void vsc9959_pcs_init(struct ocelot *ocelot, int port, ARRAY_SIZE(phy_basic_ports_array), pcs->supported); linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, pcs->supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, pcs->supported); linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, pcs->supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, pcs->supported); linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, pcs->supported); + linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, pcs->supported); if (pcs->interface == PHY_INTERFACE_MODE_2500BASEX || pcs->interface == PHY_INTERFACE_MODE_USXGMII) linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT,