Re: [PATCH bpf-next 0/7] Add XDP_ATTACH bind() flag to AF_XDP sockets

2018-12-08 Thread Andrew Lunn
> That is not how XDP works. XDP must run on the "master" physical driver > interface, as the "slave" interface is a virtual DSA interface. I did > mention DSA because I'm handling that on the EspressoBin implementation. Hi Jesper It is going to be interesting to see how you do that. As a

Re: [net-next, RFC, 4/8] net: core: add recycle capabilities on skbs via page_pool API

2018-12-08 Thread Andrew Lunn
> I got other concerns on the patchset though. Like how much memory is > it 'ok' to keep mapped keeping in mind we are using the streaming > DMA API. Are we going to affect anyone else negatively by doing so ? For mvneta, you can expect the target to have between 512Mbyte to 3G. You can take a

Re: [PATCH bpf-next 0/7] Add XDP_ATTACH bind() flag to AF_XDP sockets

2018-12-08 Thread Andrew Lunn
On Sat, Dec 08, 2018 at 04:12:12PM +0100, Jesper Dangaard Brouer wrote: > On Fri, 7 Dec 2018 13:21:08 -0800 > Alexei Starovoitov wrote: > > > for production I suspect the users would want > > an easy way to stay safe when they're playing with AF_XDP. > > So another builtin program that redirects

[PATCH net-next] net: dsa: Make dsa_master_set_mtu() static

2018-12-08 Thread Andrew Lunn
Add the missing static keyword. Signed-off-by: Andrew Lunn --- net/dsa/master.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/dsa/master.c b/net/dsa/master.c index a25242e71fb2..d7d5145aa235 100644 --- a/net/dsa/master.c +++ b/net/dsa/master.c @@ -158,7 +158,7

[PATCH net-next] net: dsa: Restore MTU on master device on unload

2018-12-08 Thread Andrew Lunn
A previous change tries to set the MTU on the master device to take into account the DSA overheads. This patch tries to reset the master device back to the default MTU. Signed-off-by: Andrew Lunn --- net/dsa/master.c | 13 + 1 file changed, 13 insertions(+) diff --git a/net/dsa

[PATCH v2 net-next 0/2] platform data controls for mdio-gpio

2018-12-08 Thread Andrew Lunn
a platform_data structure with these parameters. Andrew Lunn (2): net: phy: mdio-gpio: Add platform_data support for phy_mask net: phy: mdio-gpio: Add phy_ignore_ta_mask to platform data MAINTAINERS | 1 + drivers/net/phy/mdio-gpio.c | 7 +++ include/linux

[PATCH v2 net-next 2/2] net: phy: mdio-gpio: Add phy_ignore_ta_mask to platform data

2018-12-08 Thread Andrew Lunn
are known to get TA wrong. v2 -- int -> u32 in platform data structure Signed-off-by: Andrew Lunn --- drivers/net/phy/mdio-gpio.c | 4 +++- include/linux/platform_data/mdio-gpio.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/mdio-gpio.

[PATCH v2 net-next 1/2] net: phy: mdio-gpio: Add platform_data support for phy_mask

2018-12-08 Thread Andrew Lunn
is not created, since the address is already busy. This can be avoided by setting the phy_mask of the mdio bus. This mask prevents addresses on the bus being scanned. v2 -- int -> u32 in platform data structure Signed-off-by: Andrew Lunn --- MAINTAINERS |

Re: [PATCH 5/5] net: dsa: ksz: Add Microchip KSZ8795 DSA driver

2018-12-08 Thread Andrew Lunn
> +static int ksz8795_valid_dyn_entry(struct ksz_device *dev, u8 *data) > +{ > + int timeout = 100; > + > + do { > + ksz_read8(dev, REG_IND_DATA_CHECK, data); > + timeout--; > + } while ((*data & DYNAMIC_MAC_TABLE_NOT_READY) && timeout); readx_poll_timeout()?

Re: [PATCH 3/5] net: dsa: ksz: Factor out common tag code

2018-12-08 Thread Andrew Lunn
On Fri, Dec 07, 2018 at 07:18:43PM +0100, Marek Vasut wrote: > From: Tristram Ha > > Factor out common code from the tag_ksz , so that the code can be used > with other KSZ family switches which use differenly sized tags. I prefer this implementation over what Tristram recently submitted. It is

Re: [PATCH 1/5] net: dsa: ksz: Add MIB counter reading support

2018-12-08 Thread Andrew Lunn
> +static void ksz9477_phy_setup(struct ksz_device *dev, int port, > + struct phy_device *phy) > +{ > + if (port < dev->phy_port_cnt) { > + /* SUPPORTED_Asym_Pause and SUPPORTED_Pause can be removed to > + * disable flow control when rate

Re: [PATCH V2] net: dsa: ksz: Add reset GPIO handling

2018-12-08 Thread Andrew Lunn
> This actually is an individual patch, it doesn't depend on anything. > Or do you mean a series with the DT documentation change ? Yes, i mean together with the DT documentation change. Those two belong together, they are one functional change. Part of this is also to do with scalability. It

Re: [PATCH] net: dsa: ksz: Fix port membership

2018-12-08 Thread Andrew Lunn
On Sat, Dec 08, 2018 at 05:23:25AM +0100, Marek Vasut wrote: > On 12/08/2018 01:13 AM, tristram...@microchip.com wrote: > >> Do you have a git tree with all the KSZ patches based on -next > >> somewhere, so I don't have to look for them in random MLs ? > > > > I just sent it this Monday and the

Re: [PATCH V2] net: dsa: ksz: Add reset GPIO handling

2018-12-07 Thread Andrew Lunn
On Fri, Dec 07, 2018 at 10:51:36PM +0100, Marek Vasut wrote: > Add code to handle optional reset GPIO in the KSZ switch driver. The switch > has a reset GPIO line which can be controlled by the CPU, so make sure it is > configured correctly in such setups. Hi Marek Please make this a patch

Re: [PATCH] net: dsa: ksz: Fix port membership

2018-12-07 Thread Andrew Lunn
> I think if you do this without setting offload_fwd_mark you will > receive duplicate frame. I don't think it will, at least not in the normal case. The hardware should know the egress port, so there is no need to forward a copy to the CPU. The only time it should forward to the CPU is when the

Re: [PATCH] net: dsa: ksz: Add reset GPIO handling

2018-12-07 Thread Andrew Lunn
> + dev->reset_gpio = -1; > + reset_gpio = of_get_named_gpio_flags(np, "reset-gpios", 0, > + _gpio_flags); > + if (reset_gpio >= 0) { > + flags = (reset_gpio_flags == OF_GPIO_ACTIVE_LOW) ? > + GPIOF_ACTIVE_LOW :

Re: [PATCH] gianfar: Add gfar_change_carrier()

2018-12-07 Thread Andrew Lunn
> Would you be happier if .ndo_change_carrier() only acted on Fixed PHYs? I think it makes sense to allow a fixed phy carrier to be changed from user space. However, i don't think you can easily plumb that to .ndo_change_carrier(), since that is a MAC feature. You need to change the

Re: [PATCH] gianfar: Add gfar_change_carrier()

2018-12-07 Thread Andrew Lunn
> Been a bit busy today but now I have played with dormant using ip link and > got some odd results: > # > ifconfig eth0 > eth0: flags=4163 mtu 1500 > inet 172.20.0.246 netmask 255.255.0.0 broadcast 172.20.255.255 > inet6 fe80::ad9c:b230:1da8:1821 prefixlen 64 scopeid 0x20 >

Re: [PATCH] dpaa_eth: Add dpaa_change_carrier()

2018-12-07 Thread Andrew Lunn
On Fri, Dec 07, 2018 at 08:36:48AM +, Madalin-cristian Bucur wrote: > > -Original Message- > > From: Joakim Tjernlund > > Sent: Thursday, December 6, 2018 5:32 PM > > To: netdev @ vger . kernel . org ; Madalin- > > cristian Bucur > > Cc: jo...@infinera.com > > Subject: [PATCH]

Re: [PATCH] ucc_geth: Add ucc_geth_change_carrier()

2018-12-07 Thread Andrew Lunn
On Thu, Dec 06, 2018 at 04:33:25PM +0100, Joakim Tjernlund wrote: > This allows to control carrier from /sys/class/net/ethX/carrier > > Signed-off-by: Joakim Tjernlund See the discussion for [PATCH] gianfar: Add gfar_change_carrier(). For the moment: NACK Andrew

Re: [PATCH net-next 2/2] net: dsa: Set the master device's MTU to account for DSA overheads

2018-12-06 Thread Andrew Lunn
On Thu, Dec 06, 2018 at 12:21:31PM -0800, Florian Fainelli wrote: > On 12/6/18 2:36 AM, Andrew Lunn wrote: > > DSA tagging of frames sent over the master interface to the switch > > increases the size of the frame. Such frames can then be bigger than > > the normal MTU of

Re: [PATCH RFC 2/6] net: dsa: microchip: Add MIB counter reading support

2018-12-06 Thread Andrew Lunn
> I wonder what is the official way to clear the counters. I don't think there is one, other than unloading the driver and loading it again. Andrew

Re: [PATCH RFC 5/6] net: dsa: microchip: Update tag_ksz.c to access switch driver

2018-12-06 Thread Andrew Lunn
> I did try to implement this way. But the other switches do not have the same > format even though the length is the same. Then I need to change the > following > files for any new KSZ switch: include/linux/dsa.h, net/dsa/dsa.c, > net/dsa/dsa_priv.h, > and finally net/dsa/tag_ksz.c. You can

Re: [PATCH net-next 0/2] platform data controls for mdio-gpio

2018-12-06 Thread Andrew Lunn
On Thu, Dec 06, 2018 at 09:22:27AM -0800, Florian Fainelli wrote: > Hi Andrew, > > On 12/6/18 5:58 AM, Andrew Lunn wrote: > > Soon to be mainlined is an x86 platform with a Marvell switch, and a > > bit-banging MDIO bus. In order to make this work, the phy_mask of the > &g

Re: [PATCH] gianfar: Add gfar_change_carrier()

2018-12-06 Thread Andrew Lunn
> I can have a look at using dormant, but what is change_carrier > supposed to do if not this? It is intended for interfaces which are stacked, like the team driver, and for devices which don't have a phy, e.g. tun, and dummy. > I didn't find a tool for DORMANT, I guess i will have to write one

Re: [PATCH] gianfar: Add gfar_change_carrier()

2018-12-06 Thread Andrew Lunn
> I wish I had a proper DSA/Switchdev driver in place but I don't :( > Adding one is not impossible but then a lot of our user space app needs > fixing so all > in all it it a fairly big project. > Anyhow, these carrier additions should be fine I think? I'm not too sure about that. You are

Re: [PATCH] gianfar: Add gfar_change_carrier()

2018-12-06 Thread Andrew Lunn
> > Hi Joakim > > > > Please could you explain the use case for this. > > I have an eth I/F connected to an internal (on board) switch which has an > external port to a mgmt network. > Whenever the external link is broken I want inform linux IP stack that the > link is down on the internal eth

Re: [PATCH] gianfar: Add gfar_change_carrier()

2018-12-06 Thread Andrew Lunn
On Thu, Dec 06, 2018 at 04:31:25PM +0100, Joakim Tjernlund wrote: > This allows to control carrier from /sys/class/net/ethX/carrier Hi Joakim Please could you explain the use case for this. Andrew

[PATCH net-next 0/2] platform data controls for mdio-gpio

2018-12-06 Thread Andrew Lunn
a platform_data structure with these parameters. Andrew Lunn (2): net: phy: mdio-gpio: Add platform_data support for phy_mask net: phy: mdio-gpio: Add phy_ignore_ta_mask to platform data MAINTAINERS | 1 + drivers/net/phy/mdio-gpio.c | 7 +++ include/linux

[PATCH net-next 1/2] net: phy: mdio-gpio: Add platform_data support for phy_mask

2018-12-06 Thread Andrew Lunn
is not created, since the address is already busy. This can be avoided by setting the phy_mask of the mdio bus. This mask prevents addresses on the bus being scanned. Signed-off-by: Andrew Lunn --- MAINTAINERS | 1 + drivers/net/phy/mdio-gpio.c | 5

[PATCH net-next 2/2] net: phy: mdio-gpio: Add phy_ignore_ta_mask to platform data

2018-12-06 Thread Andrew Lunn
are known to get TA wrong. Signed-off-by: Andrew Lunn --- drivers/net/phy/mdio-gpio.c | 4 +++- include/linux/platform_data/mdio-gpio.h | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index 1e296dd4067a

[PATCH net-next 1/2] net: dsa: Add overhead to tag protocol ops.

2018-12-06 Thread Andrew Lunn
take these overheads into account. Signed-off-by: Andrew Lunn --- include/net/dsa.h | 1 + net/dsa/tag_brcm.c| 2 ++ net/dsa/tag_dsa.c | 1 + net/dsa/tag_edsa.c| 1 + net/dsa/tag_gswip.c | 1 + net/dsa/tag_ksz.c | 1 + net/dsa/tag_lan9303.c | 1 + net/dsa/tag_mtk.c | 1

[PATCH net-next 0/2] Adjust MTU of DSA master interface

2018-12-06 Thread Andrew Lunn
are bigger than their MTU. Automate the increasing of the MTU on the master interface, by adding to each tagging driver how much overhead they need, and then calling dev_set_mtu() of the master interface to increase its MTU as needed. Andrew Lunn (2): net: dsa: Add overhead to tag protocol ops. net

[PATCH net-next 2/2] net: dsa: Set the master device's MTU to account for DSA overheads

2018-12-06 Thread Andrew Lunn
this overhead. Signed-off-by: Andrew Lunn --- net/dsa/master.c | 16 1 file changed, 16 insertions(+) diff --git a/net/dsa/master.c b/net/dsa/master.c index c90ee3227dea..42f525bc68e2 100644 --- a/net/dsa/master.c +++ b/net/dsa/master.c @@ -158,8 +158,24 @@ static void

[PATCH net-next 4/6] net: mii: Add mii_lpa_mod_linkmode_lpa_t

2018-12-05 Thread Andrew Lunn
Add a _mod_ variant of mii_lpa_to_linkmode_lpa_t. Use this to fix the genphy_read_status() where the 1G link partner features are getting lost. Fixes: c0ec3c273677 ("net: phy: Convert u32 phydev->lp_advertising to linkmode") Reported-by: Heiner Kallweit Signed-off-by: Andrew Lunn

[PATCH net-next 2/6] net: mii: Rename mii_stat1000_to_linkmode_lpa_t

2018-12-05 Thread Andrew Lunn
. Suggested-by: Heiner Kallweit Fixes: c0ec3c273677 ("net: phy: Convert u32 phydev->lp_advertising to linkmode") Signed-off-by: Andrew Lunn --- drivers/net/phy/marvell.c| 2 +- drivers/net/phy/marvell10g.c | 2 +- drivers/net/phy/phy_device.c | 4 ++-- include/linux/linkmo

[PATCH net-next 5/6] net: mii: mii_lpa_mod_linkmode_lpa_t: Make use of linkmode_mod_bit helper

2018-12-05 Thread Andrew Lunn
Replace the if else code structure with a call to the helper linkmode_mod_bit. Signed-off-by: Andrew Lunn --- include/linux/mii.h | 8 ++-- 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/include/linux/mii.h b/include/linux/mii.h index e72447778a08..6fee8b1a4400 100644

[PATCH net-next 6/6] net: phy: Fix ioctl handler when modifing MII_ADVERTISE

2018-12-05 Thread Andrew Lunn
advertising to linkmode") Reported-by: Heiner Kallweit Signed-off-by: Andrew Lunn --- drivers/net/phy/phy.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index e1a1e54baac2..e24708f1fc16 100644 --- a/drivers/net/phy/phy.c +++ b

[PATCH net-next 1/6] net: mii: Fix autoneg in mii_lpa_to_linkmode_lpa_t()

2018-12-05 Thread Andrew Lunn
hydev->lp_advertising to linkmode") Signed-off-by: Andrew Lunn --- include/linux/mii.h | 9 ++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/include/linux/mii.h b/include/linux/mii.h index fb7ae4ae8ce3..57365224306c 100644 --- a/include/linux/mii.h +++ b/include/linux/mi

[PATCH net-next 3/6] phy: marvell: Rename mii_lpa_to_linkmode_lpa_t

2018-12-05 Thread Andrew Lunn
t u32 phydev->lp_advertising to linkmode") Signed-off-by: Andrew Lunn --- drivers/net/phy/marvell.c | 22 +++--- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 03dafe0e68a2..a9c7c7f41b0c 100644 ---

[PATCH net-next 0/6] u32 to linkmode fixes

2018-12-05 Thread Andrew Lunn
the function modifies just the bits it needs to, or _to_ to clear all bits and just set bit that need to be set. Andrew Lunn (6): net: mii: Fix autoneg in mii_lpa_to_linkmode_lpa_t() net: mii: Rename mii_stat1000_to_linkmode_lpa_t phy: marvell: Rename mii_lpa_to_linkmode_lpa_t net: mii

Re: [PATCH RFC 5/6] net: dsa: microchip: Update tag_ksz.c to access switch driver

2018-12-05 Thread Andrew Lunn
On Wed, Dec 05, 2018 at 07:00:38PM +0100, Andrew Lunn wrote: > On Mon, Dec 03, 2018 at 03:34:56PM -0800, tristram...@microchip.com wrote: > > From: Tristram Ha > > > > Update tag_ksz.c to access switch driver's tail tagging operations. > > Hi Tristram >

Re: [PATCH RFC 5/6] net: dsa: microchip: Update tag_ksz.c to access switch driver

2018-12-05 Thread Andrew Lunn
On Mon, Dec 03, 2018 at 03:34:56PM -0800, tristram...@microchip.com wrote: > From: Tristram Ha > > Update tag_ksz.c to access switch driver's tail tagging operations. Hi Tristram Humm, i'm not sure we want this, the tagging spit into two places. I need to take a closer look at the previous

Re: [PATCH RFC 2/6] net: dsa: microchip: Add MIB counter reading support

2018-12-05 Thread Andrew Lunn
Hi Tristan > +static void ksz9477_r_mib_cnt(struct ksz_device *dev, int port, u16 addr, > + u64 *cnt) > +{ > + u32 data; > + int timeout; > + struct ksz_port *p = >ports[port]; > + > + /* retain the flush/freeze bit */ > + data = p->freeze ?

Re: [PATCH RFC 1/6] net: dsa: microchip: Prepare PHY for proper advertisement

2018-12-05 Thread Andrew Lunn
On Mon, Dec 03, 2018 at 03:34:52PM -0800, tristram...@microchip.com wrote: > From: Tristram Ha > > Prepare PHY for proper advertisement and get link status for the port. > > Signed-off-by: Tristram Ha > Reviewed-by: Woojung Huh > --- > drivers/net/dsa/microchip/ksz9477.c| 12

Re: [PATCH net-next v4 0/2] Add mii_bus to ixgbe driver for dsa devs

2018-12-04 Thread Andrew Lunn
> Yes the current solution whereby we need to get a hold on the network > device's struct device reference is not quite ideal, AFAIR, Andrew has > had the same problem. Yes, it is not nice, and there is a race with systemd renaming the interfaces using its naming rules. We need a way to lookup an

Re: [PATCH net-next v3 2/2] ixgbe: use mii_bus to handle MII related ioctls

2018-12-03 Thread Andrew Lunn
s not protected by > the mii_bus lock. This isn't new behavior, but as Andrew Lunn pointed > out there are more addresses available for conflicts. > > Signed-off-by: Stephen Douthit Reviewed-by: Andrew Lunn Andrew

Re: [PATCH net-next v3 1/2] ixgbe: register a mdiobus

2018-12-03 Thread Andrew Lunn
re of the ixgbe device may > be polling some PHY addresses in the background. > > Signed-off-by: Stephen Douthit Reviewed-by: Andrew Lunn Andrew

Re: [PATCH net-next v2 1/2] ixgbe: register a mdiobus

2018-12-03 Thread Andrew Lunn
> You can actually strap the 6390 and friends for a multi-chip mode where > they claim only a single address, instead of one per port, plus a couple > more for global registers. It vastly slows things down because of the > extra indirection, but it allows the switch to play nicely with other >

Re: [PATCH net-next v2 1/2] ixgbe: register a mdiobus

2018-12-03 Thread Andrew Lunn
> Agreed, but I'd argue it's the same behavior we have today with the > existing MII ioctls in this driver. That's not to say this is good, > it's just not any less broken than the current state of things. Agreed. I actually would be happy with a warning in the commit message that this code is

Re: [PATCH net-next v2 1/2] ixgbe: register a mdiobus

2018-12-03 Thread Andrew Lunn
On Mon, Dec 03, 2018 at 05:02:40PM +, Steve Douthit wrote: > On 12/3/18 11:54 AM, Andrew Lunn wrote: > >> +static s32 ixgbe_x550em_a_mii_bus_read(struct mii_bus *bus, int addr, > >> + int regnum) > >> +{ > >> +

Re: [PATCH net-next v2 1/2] ixgbe: register a mdiobus

2018-12-03 Thread Andrew Lunn
> +static s32 ixgbe_x550em_a_mii_bus_read(struct mii_bus *bus, int addr, > +int regnum) > +{ > + struct ixgbe_adapter *adapter = (struct ixgbe_adapter *)bus->priv; > + struct ixgbe_hw *hw = >hw; > + u32 gssr = hw->phy.phy_semaphore_mask |

Re: [PATCH net] net: phy: don't allow __set_phy_supported to add unsupported modes

2018-12-03 Thread Andrew Lunn
fixed didn't do anything wrong, it just copied > existing functionality to the helper which is being fixed now. > > Fixes: f3a6bd393c2c ("phylib: Add phy_set_max_speed helper") > Signed-off-by: Heiner Kallweit Reviewed-by: Andrew Lunn Andrew

Re: [PATCH net-next] net: phy: don't allow __set_phy_supported to add unsupported modes

2018-12-03 Thread Andrew Lunn
Heiner Kallweit Reviewed-by: Andrew Lunn Andrew

Re: [PATCH 3/3] dt-bindings: net: dsa: add new bindings MT7530

2018-12-03 Thread Andrew Lunn
> >I don't think any of these properties are necessary, if you can either > >use a compatible string, and/or infer the actual model at runtime in the > >driver's probe function, then you can assess based on that chip model as > > There is an ID register in the 7530 - though I don't know if the

Re: [PATCH net-next v2] net: phy: Also request modules for C45 IDs

2018-12-02 Thread Andrew Lunn
st C22 modules if C45 are not present (Andrew) > > Signed-off-by: Jose Abreu > Cc: Andrew Lunn > Cc: Florian Fainelli > Cc: "David S. Miller" > Cc: Joao Pinto Reviewed-by: Andrew Lunn Andrew

Re: [PATCH net-next] net: phy: Also request modules for C45 IDs

2018-11-30 Thread Andrew Lunn
> @@ -606,6 +606,18 @@ struct phy_device *phy_device_create(struct mii_bus > *bus, int addr, int phy_id, >* there's no driver _already_ loaded. >*/ > request_module(MDIO_MODULE_PREFIX MDIO_ID_FMT, MDIO_ID_ARGS(phy_id)); This line above is for C22. If you look at

Re: [PATCH net-next 1/2] ixgbe: register a mdiobus

2018-11-30 Thread Andrew Lunn
> 'cards_found' doesn't exist for the ixgbe driver. Agh, sorry, i was looking at ixgb, not ixgbe. Andrew

Re: [PATCH net-next 1/2] ixgbe: register a mdiobus

2018-11-30 Thread Andrew Lunn
> Yep, registering multiple interfaces is wrong. The first board I tested > against only had a single MAC enabled (they can be disabled/hidden via > straps) so it just happened to work. Hi Steve Can you hide any/all via straps, or is 00.0 always guaranteed to exist? > The Intel C3xxx family

Re: [PATCH 0/3]: net: dsa: mt7530: support MT7530 in the MT7621 SoC

2018-11-30 Thread Andrew Lunn
> > 1. TX packets are not getting an IP header checksum via the normal > >off-loaded checksumming when in DSA mode. I have to switch off > >NETIF_F_IP_CSUM, so the software stack generates the checksum. > >That checksum offloading works ok when not using the 7530 DSA driver. > > Hmm.

Re: [PATCH 0/3]: net: dsa: mt7530: support MT7530 in the MT7621 SoC

2018-11-30 Thread Andrew Lunn
> 1. TX packets are not getting an IP header checksum via the normal >off-loaded checksumming when in DSA mode. I have to switch off >NETIF_F_IP_CSUM, so the software stack generates the checksum. >That checksum offloading works ok when not using the 7530 DSA driver. With some vendors

Re: [PATCH 0/3]: net: dsa: mt7530: support MT7530 in the MT7621 SoC

2018-11-30 Thread Andrew Lunn
> 2. Maximal sized RX packets get silently dropped. So receive side packets >that are large (perfect case is the all-but-last packets in a fragemented >larger packet) appear to be dropped at the mt7621 ethernet MAC level. >The 7530 MIB switch register counters show receive packets at

Re: [PATCH net-next 1/2] ixgbe: register a mdiobus

2018-11-30 Thread Andrew Lunn
Hi Steve Cool to see another interface being made DSA capable. > +/** > + * ixgbe_msca - Write the command register and poll for completion/timeout > + * @hw: pointer to hardware structure > + * @cmd: command register value to write > + **/ > +static s32 ixgbe_msca_cmd(struct ixgbe_hw *hw,

Re: [PATCH] net: phy: sfp: correct location of SFP standards

2018-11-29 Thread Andrew Lunn
On Thu, Nov 29, 2018 at 12:00:05PM +0200, Baruch Siach wrote: > SFP standards are now available from the SNIA (Storage Networking > Industry Association) website. > > Cc: Andrew Lunn > Cc: Florian Fainelli > Signed-off-by: Baruch Siach Reviewed-by: Andrew Lunn Andrew

Re: [PATCH net-next] tun: implement carrier change

2018-11-29 Thread Andrew Lunn
On Thu, Nov 29, 2018 at 12:06:18PM +0100, Nicolas Dichtel wrote: > Le 28/11/2018 à 22:48, Andrew Lunn a écrit : > > On Wed, Nov 28, 2018 at 07:12:56PM +0100, Nicolas Dichtel wrote: > >> The userspace may need to control the carrier state. > > > > Hi Nicolas >

Re: [PATCH net-next] tun: implement carrier change

2018-11-28 Thread Andrew Lunn
On Wed, Nov 28, 2018 at 07:12:56PM +0100, Nicolas Dichtel wrote: > The userspace may need to control the carrier state. Hi Nicolas Could you explain your user case a bit more. Are you running a routing daemon on top of the interface, and want it to reroute when the carrier goes down? Thanks

Re: [PATCH net] net: phy: add workaround for issue where PHY driver doesn't bind to the device

2018-11-26 Thread Andrew Lunn
ted users have a working network > again from 4.19.5 at least. Hi Heiner Lets go with this for the moment. That gives us time to try to figure out what is going on to cause the wrong driver to be used for the r8169. Reviewed-by: Andrew Lunn Andrew

Re: [PATCH net-next] net: phy: fix two issues with linkmode bitmaps

2018-11-25 Thread Andrew Lunn
> Because function naming is the same I'm afraid they easily can be used > incorrectly (the bugs we just discuss are good examples). Maybe it > could be an option to reflect the semantics in the name like this > (better suited proposals welcome): > > case 1: mii_xxx_to_linkmode_yyy > case 2:

Re: [PATCH net-next] net: phy: fix two issues with linkmode bitmaps

2018-11-25 Thread Andrew Lunn
> Eventually we'd have three types of mii_xxx_to_linkmode_yyy functions: > > 1. Function first zeroes the destination linkmode bitmap > 2. Function sets bits in the linkmode bitmap but doesn't clear bits >if condition isn't met > 3. Function clears / sets bits it's responsible for > >

Re: [PATCH net-next] net: phy: fix two issues with linkmode bitmaps

2018-11-25 Thread Andrew Lunn
On Sun, Nov 25, 2018 at 03:23:42PM +0100, Heiner Kallweit wrote: > I wondered why ethtool suddenly reports that link partner doesn't > support aneg and GBit modes. It turned out that this is caused by two > bugs in conversion to linkmode bitmaps. > > 1. In genphy_read_status the value of

Re: [PATCH] dt-bindings: dsa: Fix typo in "probed"

2018-11-23 Thread Andrew Lunn
On Fri, Nov 23, 2018 at 03:46:50PM -0200, Fabio Estevam wrote: > The correct form is "can be probed", so fix the typo. > > Signed-off-by: Fabio Estevam Reviewed-by: Andrew Lunn Andrew

Re: [PATCH v3 net-next 04/12] net: ethernet: Use phy_set_max_speed() to limit advertised speed

2018-11-22 Thread Andrew Lunn
On Thu, Nov 22, 2018 at 12:40:25PM +0200, Anssi Hannula wrote: > Hi, > > On 12.9.2018 2:53, Andrew Lunn wrote: > > Many Ethernet MAC drivers want to limit the PHY to only advertise a > > maximum speed of 100Mbs or 1Gbps. Rather than using a mask, make use >

Re: [PATCH net-next 4/4] octeontx2-af: Bringup CGX LMAC links by default

2018-11-22 Thread Andrew Lunn
On Thu, Nov 22, 2018 at 05:18:37PM +0530, Linu Cherian wrote: > From: Linu Cherian > > - Added new CGX firmware interface API for sending link up/down > commands > > - Do link up for cgx lmac ports by default at the time of CGX > driver probe. Hi Linu This is a complex driver which i

Re: [PATCH v1 net] lan743x: Enable driver to work with LAN7431

2018-11-22 Thread Andrew Lunn
On Wed, Nov 21, 2018 at 02:22:45PM -0500, Bryan Whitehead wrote: > This driver was designed to work with both LAN7430 and LAN7431. > The only difference between the two is the LAN7431 has support > for external phy. > > This change adds LAN7431 to the list of recognized devices > supported by

Re: [PATCH net-next 2/2] net: bridge: add no_linklocal_learn bool option

2018-11-22 Thread Andrew Lunn
> int br_boolopt_get(const struct net_bridge *br, enum br_boolopt_id opt) > { > - int optval = 0; > - > switch (opt) { > + case BR_BOOLOPT_NO_LL_LEARN: > + return br_opt_get(br, BROPT_NO_LL_LEARN); > default: > break; > } > > - return

Re: [PATCH v1 net] lan743x: fix return value for lan743x_tx_napi_poll

2018-11-20 Thread Andrew Lunn
> Andrew, > > Admittedly, my knowledge of what the kernel is doing behind the > scenes is limited. Me too. Lets see if anybody can make sense of the information you provided. Thanks Andrew

Re: [PATCH v1 net] lan743x: fix return value for lan743x_tx_napi_poll

2018-11-20 Thread Andrew Lunn
On Tue, Nov 20, 2018 at 01:26:43PM -0500, Bryan Whitehead wrote: > It has been noticed that under stress the lan743x driver will > sometimes hang or cause a kernel panic. It has been noticed > that returning '0' instead of 'weight' fixes this issue. > > fixes: rare kernel panic under heavy

Re: [PATCH net-next v3 1/6] net: phy: mscc: migrate to phy_select/restore_page functions

2018-11-19 Thread Andrew Lunn
On Mon, Nov 19, 2018 at 05:14:38PM +0100, Andreas Schwab wrote: > On Nov 19 2018, Andrew Lunn wrote: > > > Could you turn on lockdep and see if it reports a deadlock. > > How do I "turn on lockdep"? make menuconfig Kernel hacking Lock Debugging (spinlocks, mute

Re: [PATCH net-next v3 1/6] net: phy: mscc: migrate to phy_select/restore_page functions

2018-11-19 Thread Andrew Lunn
On Mon, Nov 19, 2018 at 04:50:14PM +0100, Andreas Schwab wrote: > On Nov 19 2018, Alexandre Belloni wrote: > > > My first intuition is that he mac driver quentin is using does > > phy_connect when the interface is opened while macb is doing it at probe > > time. I didn't investigate but maybe

Re: [PATCH net-next v3 1/6] net: phy: mscc: migrate to phy_select/restore_page functions

2018-11-19 Thread Andrew Lunn
On Mon, Nov 19, 2018 at 04:13:10PM +0100, Andreas Schwab wrote: > On Nov 19 2018, Andrew Lunn wrote: > > > On Mon, Nov 19, 2018 at 03:57:17PM +0100, Andreas Schwab wrote: > >> On Okt 08 2018, Quentin Schulz wrote: > >> > >> > The Microsemi PHYs have

Re: [PATCH net-next 1/4] enetc: Introduce basic PF and VF ENETC ethernet drivers

2018-11-19 Thread Andrew Lunn
> >> +static int enetc_map_tx_buffs(struct enetc_bdr *tx_ring, struct sk_buff > >> *skb); > >> +static void enetc_unmap_tx_buff(struct enetc_bdr *tx_ring, > >> + struct enetc_tx_swbd *tx_swbd); > >> +static int enetc_clean_tx_ring(struct enetc_bdr *tx_ring, int budget); >

Re: [PATCH net-next v3 1/6] net: phy: mscc: migrate to phy_select/restore_page functions

2018-11-19 Thread Andrew Lunn
On Mon, Nov 19, 2018 at 03:57:17PM +0100, Andreas Schwab wrote: > On Okt 08 2018, Quentin Schulz wrote: > > > The Microsemi PHYs have multiple banks of registers (called pages). > > Registers can only be accessed from one page, if we need a register from > > another page, we need to switch the

Re: [PATCH net-next] MAINTAINERS: Add myself as third phylib maintainer

2018-11-19 Thread Andrew Lunn
On Mon, Nov 19, 2018 at 08:01:03AM +0100, Heiner Kallweit wrote: > Add myself as third phylib maintainer. > > Signed-off-by: Heiner Kallweit Acked-by: Andrew Lunn Andrew

Re: DSA support for Marvell 88e6065 switch

2018-11-18 Thread Andrew Lunn
> If I wanted it to work, what do I need to do? AFAICT phy autoprobing > should just attach it as soon as it is compiled in? Nope. It is a switch, not a PHY. Switches are never auto-probed because they are not guaranteed to have ID registers. You need to use the legacy device tree binding. Look

Re: DSA support for Marvell 88e6065 switch

2018-11-18 Thread Andrew Lunn
On Sun, Nov 18, 2018 at 07:07:12PM +0100, Pavel Machek wrote: > On Thu 2018-11-15 21:26:18, Andrew Lunn wrote: > > On Thu, Nov 15, 2018 at 08:51:11PM +0100, Pavel Machek wrote: > > > Hi! > > > > > > I'm trying to create support for Marvell 88e6065 switch... and

Re: Linux kernel hangs if using RV1108 with MSZ8863 switch with two ports connected

2018-11-18 Thread Andrew Lunn
> The kernel starts booting normally and then hangs like this when two > Ethernet cables are connected to the KSZ8863 switch: > http://dark-code.bulix.org/3xexu5-507563 > > This has the lock detection, inside kernel hacking, enabled. Maybe turn on all the hung-task debug and magic key support.

Re: [PATCH RFC net-next] net: SAIL based FIB lookup for XDP

2018-11-18 Thread Andrew Lunn
> > + * The router can have upto 255 ports. This limitation > > + * allows us to represent netdev_index as an u8 > > + */ > > +#define NETDEV_COUNT_MAX 255 > > ... 255 is high for a physical port count but not a logical device > count. In the presence of VLANs 255 is nothing and VLANs are an >

Re: Linux kernel hangs if using RV1108 with MSZ8863 switch with two ports connected

2018-11-16 Thread Andrew Lunn
On Fri, Nov 16, 2018 at 04:28:29PM -0200, Otavio Salvador wrote: > Hi, > > I have a custom design based on Rockchip RV1108 that uses an MSZ8863 > switch running kernel 4.19. > > The dts part is as follows: > > { > pinctrl-names = "default"; > pinctrl-0 = <_pins>; > snps,reset-gpio = < RK_PC1

Re: DSA support for Marvell 88e6065 switch

2018-11-15 Thread Andrew Lunn
On Thu, Nov 15, 2018 at 08:51:11PM +0100, Pavel Machek wrote: > Hi! > > I'm trying to create support for Marvell 88e6065 switch... and it > seems like drivers/net/dsa supports everything, but this model. > > Did someone work with this hardware before? Any idea if it would be > more suitable to

[PATCHv2 net-net] net: dsa: mv88e6xxx: Work around mv886e6161 SERDES missing MII_PHYSID2

2018-11-12 Thread Andrew Lunn
Signed-off-by: Andrew Lunn --- v2: grammar fix in commit message. PHYS->PHYs --- drivers/net/dsa/mv88e6xxx/chip.c | 21 - 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index fc0f50887

Re: [PATCH net-next] net: phy: switch to lockdep_assert_held in phylib

2018-11-12 Thread Andrew Lunn
On Sun, Nov 11, 2018 at 10:33:08PM +0100, Heiner Kallweit wrote: > diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c > index 2e59a8419..5cb06f021 100644 > --- a/drivers/net/phy/mdio_bus.c > +++ b/drivers/net/phy/mdio_bus.c > @@ -541,7 +541,7 @@ int __mdiobus_read(struct mii_bus

Re: [PATCH net-next] net: phy: icplus: add config_intr callback

2018-11-12 Thread Andrew Lunn
upposed to be register-compatible > with IP101A/G). Change is compile-tested only. Hi Heiner This looks sensible. Thanks for fixing up this driver. Reviewed-by: Andrew Lunn Andrew

Re: [RFC PATCH 1/3] acpi: Add acpi mdio support code

2018-11-12 Thread Andrew Lunn
On Thu, Nov 08, 2018 at 03:22:16PM +0800, Wang Dongsheng wrote: > Add support for parsing the ACPI data node for PHY devices on an MDIO bus. > The current implementation depend on mdio bus scan. > With _DSD device properties we can finally do this: > > Device (MDIO) { > Name (_DSD,

Re: [RFC PATCH 0/3] acpi: Add acpi mdio support code

2018-11-12 Thread Andrew Lunn
> > I'm just trying to ensure whatever is defined is flexible enough that > > we really can later support everything which DT does. We have PHYs on > > MDIO busses, inside switches, which are on MDIO busses, which are > > inside Ethernet interfaces, etc. > > I think it can be satisfied. See the

Re: [RFC PATCH 2/6] phy: armada38x: add common phy support

2018-11-12 Thread Andrew Lunn
> +static int a38x_comphy_poll(struct a38x_comphy_lane *lane, > + unsigned int offset, u32 mask, u32 value) > +{ > + unsigned int timeout = 10; > + u32 val; > + > + while (1) { > + val = readl_relaxed(lane->base + offset); > + if ((val &

[PATCH net-next] net: dsa: mv88e6xxx: Work around mv886e6161 SERDES missing MII_PHYSID2

2018-11-10 Thread Andrew Lunn
Signed-off-by: Andrew Lunn --- drivers/net/dsa/mv88e6xxx/chip.c | 21 - 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index fc0f508879d4..4906a4f39d62 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c

Re: Should the bridge learn from frames with link local destination MAC address?

2018-11-10 Thread Andrew Lunn
> >Andrew, I agree with your analysis also. We have hit this problem too > >(and we have an internal bug tracking it). > >We have not acted on this so far because of the fear of breaking > >existing deployments. I am all for fixing this if there is a > >clean way. > > +1 and since this would be a

[patch net] net: dsa: mv88e6xxx: Fix clearing of stats counters

2018-11-10 Thread Andrew Lunn
parameters, resulting in the switch not responding. We need to preserve the histogram mode bits, so apply a mask to keep them. Reported-by: Chris Healy Fixes: 40cff8fca9e3 ("net: dsa: mv88e6xxx: Fix stats histogram mode") Signed-off-by: Andrew Lunn --- drivers/net/dsa/mv88e6xxx/global1.c

[PATCH net-next 4/4] net: dsa: mv88e6xxx: Add support for SERDES on ports 2-8 for 6390X

2018-11-10 Thread Andrew Lunn
The 6390X family has 8 SERDES interfaces. When ports 9 and 10 are not using all their SERDES interfaces, the unused ones can be assigned to ports 2-8. Add support for interrupts from SERDES interfaces connected to these lower ports. Signed-off-by: Andrew Lunn --- drivers/net/dsa/mv88e6xxx

[PATCH net-next 0/4] net: dsa: mv88e6xxx: Support more SERDES interfacxes

2018-11-10 Thread Andrew Lunn
. Andrew Lunn (4): net: dsa: mv88e6xxx: Group cmode ops together net: dsa: mv88e6xxx: Differentiate between 6390 and 6390X cmodes net: dsa: mv88e6xxx: Default ports 9/10 6390X CMODE to 1000BaseX net: dsa: mv88e6xxx: Add support for SERDES on ports 2-8 for 6390X drivers/net/dsa/mv88e6xxx

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