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* dsa: add support for Microchip KSZ tail taggingWoojung Huh2017-05-311-0/+3
| | | | | | | | | Adding support for the Microchip KSZ switch family tail tagging. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Woojung Huh <Woojung.Huh@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa: Sort DSA tagging protocol driversAndrew Lunn2017-05-171-4/+4
| | | | | | | | | With more tag protocols being added, regain some order by sorting the entries in various places. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa: add support for the SMSC-LAN9303 tagging formatJuergen Beisert2017-04-201-0/+4
| | | | | | | | | | | | | To define the outgoing port and to discover the incoming port a regular VLAN tag is used by the LAN9303. But its VID meaning is 'special'. This tag handler/filter depends on some hardware features which must be enabled in the device to provide and make use of this special VLAN tag to control the destination and the source of an ethernet packet. Signed-off-by: Juergen Borleis <jbe@pengutronix.de> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net-next: dsa: add Mediatek tag RX/TX handlerSean Wang2017-04-071-0/+2
| | | | | | | | | | | | | Add the support for the 4-bytes tag for DSA port distinguishing inserted allowing receiving and transmitting the packet via the particular port. The tag is being added after the source MAC address in the ethernet header. Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Landen Chao <Landen.Chao@mediatek.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa: fix build error with devlink build as moduleTobias Regnery2017-04-011-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After commit 96567d5dacf4 ("net: dsa: dsa2: Add basic support of devlink") I see the following link error with CONFIG_NET_DSA=y and CONFIG_NET_DEVLINK=m: net/built-in.o: In function 'dsa_register_switch': (.text+0xe226b): undefined reference to `devlink_alloc' net/built-in.o: In function 'dsa_register_switch': (.text+0xe2284): undefined reference to `devlink_register' net/built-in.o: In function 'dsa_register_switch': (.text+0xe243e): undefined reference to `devlink_port_register' net/built-in.o: In function 'dsa_register_switch': (.text+0xe24e1): undefined reference to `devlink_port_register' net/built-in.o: In function 'dsa_register_switch': (.text+0xe24fa): undefined reference to `devlink_port_type_eth_set' net/built-in.o: In function 'dsa_dst_unapply.part.8': dsa2.c:(.text.unlikely+0x345): undefined reference to 'devlink_port_unregister' dsa2.c:(.text.unlikely+0x36c): undefined reference to 'devlink_port_unregister' dsa2.c:(.text.unlikely+0x38e): undefined reference to 'devlink_port_unregister' dsa2.c:(.text.unlikely+0x3f2): undefined reference to 'devlink_unregister' dsa2.c:(.text.unlikely+0x3fb): undefined reference to 'devlink_free' Fix this by adding a dependency on MAY_USE_DEVLINK so that CONFIG_NET_DSA get switched to be build as module when CONFIG_NET_DEVLINK=m. Fixes: 96567d5dacf4 ("net: dsa: dsa2: Add basic support of devlink") Signed-off-by: Tobias Regnery <tobias.regnery@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa: Remove hwmon supportAndrew Lunn2017-01-201-11/+0
| | | | | | | | | | Only the Marvell mv88e6xxx DSA driver made use of the HWMON support in DSA. The temperature sensor registers are actually in the embedded PHYs, and the PHY driver now supports it. So remove all HWMON support from DSA and drivers. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa: select NET_SWITCHDEVVivien Didelot2017-01-091-2/+3
| | | | | | | | | | | | | The support for DSA Ethernet switch chips depends on TCP/IP networking, thus explicit that HAVE_NET_DSA depends on INET. DSA uses SWITCHDEV, thus select it instead of depending on it. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net-next: dsa: add Qualcomm tag RX/TX handlerJohn Crispin2016-09-161-0/+3
| | | | | | | | | | | | Add support for the 2-bytes Qualcomm tag that gigabit switches such as the QCA8337/N might insert when receiving packets, or that we need to insert while targeting specific switch ports. The tag is inserted directly behind the ethernet header. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa: make NET_DSA manually selectable from the configMathieu Olivari2015-03-201-1/+4
| | | | | | | | | | | | | Change bd76a116707bd2381da36cf7c3183df11293f1d6 made all DSA drivers depend on NET_DSA rather than selecting them. However, as the only way to select this option was to actually select a driver, it made DSA impossible to enable at all. This patch adds an explicit entry which the user will have to enable prior selecting a driver. Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: change "select" to "depends on" for NET_SWITCHDEV and for NET_DSAJiri Pirko2015-03-161-2/+1
| | | | | | | | | | | | | | | | This would fix randconfig compile error: net/built-in.o: In function `netdev_switch_fib_ipv4_abort': (.text+0xf7811): undefined reference to `fib_flush_external' Also it fixes following warnings: warning: (NET_DSA) selects NET_SWITCHDEV which has unmet direct dependencies (NET && INET) warning: (NET_DSA_MV88E6060 && NET_DSA_MV88E6131 && NET_DSA_MV88E6123_61_65 && NET_DSA_MV88E6171 && NET_DSA_MV88E6352 && NET_DSA_BCM_SF2) selects NET_DSA which has unmet direct dependencies (NET && HAVE_NET_DSA && NET_SWITCHDEV) Reported-by: Randy Dunlap <rdunlap@infradead.org> Suggested-by: Alexei Starovoitov <alexei.starovoitov@gmail.com> Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa: integrate with SWITCHDEV for HW bridgingFlorian Fainelli2015-02-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to support bridging offloads in DSA switch drivers, select NET_SWITCHDEV to get access to the port_stp_update and parent_get_id NDOs that we are required to implement. To facilitate the integratation at the DSA driver level, we implement 3 types of operations: - port_join_bridge - port_leave_bridge - port_stp_update DSA will resolve which switch ports that are currently bridge port members as some Switch hardware/drivers need to know about that to limit the register programming to just the relevant registers (especially for slow MDIO buses). We also take care of setting the correct STP state when slave network devices are brought up/down while being bridge members. Finally, when a port is leaving the bridge, we make sure we set in BR_STATE_FORWARDING state, otherwise the bridge layer would leave it disabled as a result of having left the bridge. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa: Add support for reporting switch chip temperaturesGuenter Roeck2014-10-301-0/+11
| | | | | | | | Some switches provide chip temperature data. Add support for reporting it through the hwmon subsystem. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa: add Broadcom tag RX/TX handlerFlorian Fainelli2014-08-271-0/+3
| | | | | | | | | | | Add support for the 4-bytes Broadcom tag that built-in switches such as the Starfighter 2 might insert when receiving packets, or that we need to insert while targetting specific switch ports. We use a fake local EtherType value for this 4-bytes switch tag: ETH_P_BRCMTAG to make sure we can assign DSA-specific network operations within the DSA drivers. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: Hide core config options; make drivers select what they needBen Hutchings2012-11-261-17/+13
| | | | | | | | | | | | | | | | | | | | | | Commit 82167cb8c6b2f8166d5c7532e5ef4b5e0cc46a72 ('net: dsa/slave: Fix compilation warnings') fixed one possible invalid configuration (NET_DSA enabled with no trailer formats) but added others: drivers can select NET_DSA without its dependencies being met. It's not very useful to make either the DSA core or the tagging formats manually selectable without a driver to use them, so: 1. Define a hidden HAVE_NET_DSA option and move the dependencies of NET_DSA to that. While we're at it, drop the deprecated EXPERIMENTAL dependency. 2. Make NET_DSA and the drivers dependent on HAVE_NET_DSA. 3. Hide the tagging format options again. 4. Make drivers select both NET_DSA and the appropriate tagging format option. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: dsa/slave: Fix compilation warningsviresh kumar2012-11-251-7/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | Currently when none of CONFIG_NET_DSA_TAG_DSA, CONFIG_NET_DSA_TAG_EDSA and CONFIG_NET_DSA_TAG_TRAILER is defined, we get following compilation warnings: net/dsa/slave.c:51:12: warning: 'dsa_slave_init' defined but not used [-Wunused-function] net/dsa/slave.c:60:12: warning: 'dsa_slave_open' defined but not used [-Wunused-function] net/dsa/slave.c:98:12: warning: 'dsa_slave_close' defined but not used [-Wunused-function] net/dsa/slave.c:116:13: warning: 'dsa_slave_change_rx_flags' defined but not used [-Wunused-function] net/dsa/slave.c:127:13: warning: 'dsa_slave_set_rx_mode' defined but not used [-Wunused-function] net/dsa/slave.c:136:12: warning: 'dsa_slave_set_mac_address' defined but not used [-Wunused-function] net/dsa/slave.c:164:12: warning: 'dsa_slave_ioctl' defined but not used [-Wunused-function] Earlier approach to fix this was discussed here: lkml.org/lkml/2012/10/29/549 This is another approach to fix it. This is done by some changes in config options, which make more sense than the earlier approach. As, atleast one tagging option must always be selected for using net/dsa/ infrastructure, this patch selects NET_DSA from tagging configs instead of having it as an selectable config. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: Move switch drivers to new directory drivers/net/dsaBen Hutchings2011-11-291-35/+1
| | | | | | | | Support for specific hardware belongs under drivers/net/ not net/. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: Allow core and drivers to be built as modulesBen Hutchings2011-11-261-5/+5
| | | | | | | | | | | | | Change the kconfig types to tristate and adjust the condition for declaring net_device::dsa_ptr to allow for this. Adjust the makefile so that if NET_DSA_MV88E6123_61_65=y and NET_DSA_MV88E6131=m or vice versa then both drivers are built-in. We could leave these options as bool and make NET_DSA_MV88E6XXX a user-selected option, but that would break existing configurations. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa/mv88e6131: fix unknown multicast/broadcast forwarding on mv88e6085Peter Korsgaard2011-04-281-2/+2
| | | | | | | | | | | | | The 88e6085 has a few differences from the other devices in the port control registers, causing unknown multicast/broadcast packets to get dropped when using the standard port setup. At the same time update kconfig to clarify that the mv88e6085 is now supported. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Acked-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* phylib: available for any speed ethernetRandy Dunlap2010-08-111-1/+1
| | | | | | | | | | | | | | | | Several gigabit network drivers (SB1250_MAC, TIGON3, FSL, GIANFAR, UCC_GETH, MV643XX_ETH, XILINX_LL_TEMAC, S6GMAC, STMMAC_ETH, PASEMI_MAC, and OCTEON_ETHERNET) select PHYLIB. These drivers are not under NET_ETHERNET (10/100 mbit), so this warning is generated (long, irrelevant parts are omitted): warning: (NET_DSA && NET && EXPERIMENTAL && NET_ETHERNET && !S390 || ... || SB1250_MAC && NETDEVICES && NETDEV_1000 && SIBYTE_SB1xxx_SOC || TIGON3 && NETDEVICES && NETDEV_1000 && PCI || FSL_PQ_MDIO && NETDEVICES && NETDEV_1000 && FSL_SOC || GIANFAR && NETDEVICES && NETDEV_1000 && FSL_SOC || UCC_GETH && NETDEVICES && NETDEV_1000 && QUICC_ENGINE || MV643XX_ETH && NETDEVICES && NETDEV_1000 && (MV64X60 || PPC32 || PLAT_ORION) || XILINX_LL_TEMAC && NETDEVICES && NETDEV_1000 && (PPC || MICROBLAZE) || S6GMAC && NETDEVICES && NETDEV_1000 && XTENSA_VARIANT_S6000 || STMMAC_ETH && NETDEV_1000 && NETDEVICES && CPU_SUBTYPE_ST40 || PASEMI_MAC && NETDEVICES && NETDEV_10000 && PPC_PASEMI && PCI || OCTEON_ETHERNET && STAGING && !STAGING_EXCLUDE_BUILD && CPU_CAVIUM_OCTEON) selects PHYLIB which has unmet direct dependencies (!S390 && NET_ETHERNET) PHYLIB is used by non-10/100 mbit ethernet drivers, so change the dependencies to be NETDEVICES instead of NET_ETHERNET. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: Fix Kconfig dependencies.David S. Miller2010-07-121-1/+1
| | | | | | | | | Based upon a report by Randy Dunlap. DSA needs PHYLIB, but PHYLIB needs NET_ETHERNET. So, in order to select PHYLIB we have to make DSA depend upon NET_ETHERNET. Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: add support for the Marvell 88E6095/6095F switch chipsLennert Buytenhek2009-03-211-3/+3
| | | | | | | | | | | | | Add support for the Marvell 88E6095/6095F switch chips. These chips are similar to the 88e6131, so we can add the support to mv88e6131.c easily. Thanks to Gary Thomas <gary@mlbassoc.com> and Jesper Dangaard Brouer <hawk@diku.dk> for testing various patches. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Tested-by: Gary Thomas <gary@mlbassoc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: fix compile bug on s390Heiko Carstens2008-10-131-1/+1
| | | | | | | | | | | | | | | | | | | | | | git commit 45cec1bac0719c904bb5f4405c2937f7e715888c "dsa: Need to select PHYLIB." causes this build bug on s390: drivers/built-in.o: In function `phy_stop_interrupts': /home/heicarst/linux-2.6/drivers/net/phy/phy.c:631: undefined reference to `free_irq' /home/heicarst/linux-2.6/drivers/net/phy/phy.c:646: undefined reference to `enable_irq' drivers/built-in.o: In function `phy_start_interrupts': /home/heicarst/linux-2.6/drivers/net/phy/phy.c:601: undefined reference to `request_irq' drivers/built-in.o: In function `phy_interrupt': /home/heicarst/linux-2.6/drivers/net/phy/phy.c:528: undefined reference to `disable_irq_nosync' drivers/built-in.o: In function `phy_change': /home/heicarst/linux-2.6/drivers/net/phy/phy.c:674: undefined reference to `enable_irq' /home/heicarst/linux-2.6/drivers/net/phy/phy.c:692: undefined reference to `disable_irq' PHYLIB has alread a depend on !S390, however select PHYLIB at DSA overrides that unfortunately. So add a depend on !S390 to DSA as well. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: Need to select PHYLIB.David S. Miller2008-10-081-0/+1
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: add support for the Marvell 88E6060 switch chipLennert Buytenhek2008-10-081-0/+7
| | | | | | | | | | | | Add support for the Marvell 88E6060 switch chip. This chip only supports the Header and Trailer tagging formats, and we use it in Trailer mode since that mode is slightly easier to handle than Header mode. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Tested-by: Byron Bradley <byron.bbradley@gmail.com> Tested-by: Tim Ellis <tim.ellis@mac.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: add support for Trailer tagging formatLennert Buytenhek2008-10-081-0/+4
| | | | | | | | | | | | This adds support for the Trailer switch tagging format. This is another tagging that doesn't explicitly mark tagged packets with a distinct ethertype, so that we need to add a similar hack in the receive path as for the Original DSA tagging format. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Tested-by: Byron Bradley <byron.bbradley@gmail.com> Tested-by: Tim Ellis <tim.ellis@mac.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: add support for the Marvell 88E6131 switch chipLennert Buytenhek2008-10-081-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | Add support for the Marvell 88E6131 switch chip. This chip only supports the original (ethertype-less) DSA tagging format. On the 88E6131, there is a PHY Polling Unit (PPU) which has exclusive access to each of the PHYs's MII management registers. If we want to talk to the PHYs from software, we have to disable the PPU and wait for it to complete its current transaction before we can do so, and we need to re-enable the PPU afterwards to make sure that the switch will notice changes in link state and speed on the individual ports as they occur. Since disabling the PPU is rather slow, and since MII management accesses are typically done in bursts, this patch keeps the PPU disabled for 10ms after a software access completes. This makes handling the PPU slightly more complex, but speeds up something like running ethtool on one of the switch slave interfaces from ~300ms to ~30ms on typical hardware. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Tested-by: Nicolas Pitre <nico@marvell.com> Tested-by: Peter van Valderen <linux@ddcrew.com> Tested-by: Dirk Teurlings <dirk@upexia.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
* dsa: add support for original DSA tagging formatLennert Buytenhek2008-10-081-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | Most of the DSA switches currently in the field do not support the Ethertype DSA tagging format that one of the previous patches added support for, but only the original DSA tagging format. The original DSA tagging format carries the same information as the Ethertype DSA tagging format, but with the difference that it does not have an ethertype field. In other words, when receiving a packet that is tagged with an original DSA tag, there is no way of telling in eth_type_trans() that this packet is in fact a DSA-tagged packet. This patch adds a hook into eth_type_trans() which is only compiled in if support for a switch chip that doesn't support Ethertype DSA is selected, and which checks whether there is a DSA switch driver instance attached to this network device which uses the old tag format. If so, it sets the protocol field to ETH_P_DSA without looking at the packet, so that the packet ends up in the right place. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Tested-by: Nicolas Pitre <nico@marvell.com> Tested-by: Peter van Valderen <linux@ddcrew.com> Tested-by: Dirk Teurlings <dirk@upexia.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Distributed Switch Architecture protocol supportLennert Buytenhek2008-10-081-0/+31
Distributed Switch Architecture is a protocol for managing hardware switch chips. It consists of a set of MII management registers and commands to configure the switch, and an ethernet header format to signal which of the ports of the switch a packet was received from or is intended to be sent to. The switches that this driver supports are typically embedded in access points and routers, and a typical setup with a DSA switch looks something like this: +-----------+ +-----------+ | | RGMII | | | +-------+ +------ 1000baseT MDI ("WAN") | | | 6-port +------ 1000baseT MDI ("LAN1") | CPU | | ethernet +------ 1000baseT MDI ("LAN2") | |MIImgmt| switch +------ 1000baseT MDI ("LAN3") | +-------+ w/5 PHYs +------ 1000baseT MDI ("LAN4") | | | | +-----------+ +-----------+ The switch driver presents each port on the switch as a separate network interface to Linux, polls the switch to maintain software link state of those ports, forwards MII management interface accesses to those network interfaces (e.g. as done by ethtool) to the switch, and exposes the switch's hardware statistics counters via the appropriate Linux kernel interfaces. This initial patch supports the MII management interface register layout of the Marvell 88E6123, 88E6161 and 88E6165 switch chips, and supports the "Ethertype DSA" packet tagging format. (There is no officially registered ethertype for the Ethertype DSA packet format, so we just grab a random one. The ethertype to use is programmed into the switch, and the switch driver uses the value of ETH_P_EDSA for this, so this define can be changed at any time in the future if the one we chose is allocated to another protocol or if Ethertype DSA gets its own officially registered ethertype, and everything will continue to work.) Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Tested-by: Nicolas Pitre <nico@marvell.com> Tested-by: Byron Bradley <byron.bbradley@gmail.com> Tested-by: Tim Ellis <tim.ellis@mac.com> Tested-by: Peter van Valderen <linux@ddcrew.com> Tested-by: Dirk Teurlings <dirk@upexia.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
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