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2016-07-19net: dsa: support switchdev ageing time attrVivien Didelot1-0/+41
Add a new function for DSA drivers to handle the switchdev SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME attribute. The ageing time is passed as milliseconds. Also because we can have multiple logical bridges on top of a physical switch and ageing time are switch-wide, call the driver function with the fastest ageing time in use on the chip instead of the requested one. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-08net: dsa: Initialize CPU port ethtool ops per treeFlorian Fainelli1-10/+0
Now that we can properly support multiple distinct trees in the system, using a global variable: dsa_cpu_port_ethtool_ops is getting clobbered as soon as the second switch tree gets probed, and we don't want that. We need to move this to be dynamically allocated, and since we can't really be comparing addresses anymore to determine first time initialization versus any other times, just move this to dsa.c and dsa2.c where the remainder of the dst/ds initialization happens. The operations teardown restores the master netdev's ethtool_ops to its original ethtool_ops pointer (typically within the Ethernet driver) Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-08net: dsa: Add initialization helper for CPU port ethtool_opsFlorian Fainelli1-6/+8
Add a helper function: dsa_cpu_port_ethtool_init() which initializes a custom ethtool_ops structure with custom DSA ethtool operations for CPU ports. This is a preliminary change to move the initialization outside of net/dsa/slave.c. Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-08net: dsa: Provide unique DSA slave MII bus namesFlorian Fainelli1-1/+2
In case we have multiples trees and switches with the same index, we need to add another discriminating id: the switch tree. Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-04net: dsa: Add new binding implementationAndrew Lunn1-2/+6
The existing DSA binding has a number of limitations and problems. The main problem is that it cannot represent a switch as a linux device, hanging off some bus. It is limited to one CPU port. The DSA platform device is artificial, and does not really represent hardware. Implement a new binding which can be embedded into any type of node on a bus to represent one switch device, and its links to other switches. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-04net: dsa: Refactor selection of tag ops into a functionAndrew Lunn1-34/+1
Replace the two switch statements with an array lookup, and store the result in the dsa tree structure. The drivers no longer need to know the selected tag protocol, so remove it from the dsa switch structure. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-04net: dsa: Move port device node into port structureAndrew Lunn1-3/+2
Move the port device node structure into the port structure, from the chip data. This information is needed in the next step of implementing the new binding. The chip data structure is used while parsing the whole old binding, before the individual switch structures exist. With the new bindings, this is reversed, the switches exist first, and the interconnections between the switches is derived from the individual switch bindings. Thus this chip data structure becomes unneeded. Signed-off-by: Andrew Lunn <andrew@lunn.ch> eviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-04net: dsa: Add a ports structure and use it in the switch structureAndrew Lunn1-2/+2
There are going to be more per-port members added to the switch structure. So add a port structure and move the netdev into it. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-04net: dsa: slave: Remove MDIO address from switch MDIO bus nameAndrew Lunn1-2/+1
The DSA layer should no longer assume the switch is connected to an MDIO bus. As a result, we cannot use the address on the MDIO bus when forming the name of the switches internal MDIO bus for its builtin and possibly external PHYs. The switch index is sufficient to make the name unique, so drop the MDIO address. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-04net: dsa: slave: chip data is optional, don't dereference NULLAndrew Lunn1-1/+1
The new binding does not make use of dsa_chip_data, a.k.a cd. When retrieving the size of the EEPROM attached to a switch, don't assume there is a cd attached to the switch structure. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-11dsa: Rename switch chip data to cdAndrew Lunn1-5/+5
The dsa_switch structure contains a dsa_chip_data member called pd. However in the rest of the code, pd is used for dsa_platform_data. This is confusing. Rename it cd, which is already often used in dsa.c and slave.c for this data type. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-05-11dsa: Remove master_dev from switch structureAndrew Lunn1-1/+1
The switch drivers only use the master_dev member for dev_info() messages. Now that the device is passed to the old style probe, and new style drivers are probed as true linux drivers, this is no longer needed. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-28net: dsa: Provide CPU port statistics to master netdevFlorian Fainelli1-0/+88
This patch overloads the DSA master netdev, aka CPU Ethernet MAC to also include switch-side statistics, which is useful for debugging purposes, when the switch is not properly connected to the Ethernet MAC (duplex mismatch, (RG)MII electrical issues etc.). We accomplish this by retaining the original copy of the master netdev's ethtool_ops, and just overload the 3 operations we care about: get_sset_count, get_strings and get_ethtool_stats so as to intercept these calls and call into the original master_netdev ethtool_ops, plus our own. We take this approach as opposed to providing a set of DSA helper functions that would retrive the CPU port's statistics, because the entire purpose of DSA is to allow unmodified Ethernet MAC drivers to be used as CPU conduit interfaces, therefore, statistics overlay in such drivers would simply not scale. The new ethtool -S <iface> output would therefore look like this now: <iface> statistics p<2 digits cpu port number>_<switch MIB counter names> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-19net: dsa: kill circular reference with slave privVivien Didelot1-5/+4
The dsa_slave_priv structure does not need a pointer to its net_device. Kill it. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08net: dsa: make the VLAN add function return voidVivien Didelot1-8/+3
The switchdev design implies that a software error should not happen in the commit phase since it must have been previously reported in the prepare phase. If an hardware error occurs during the commit phase, there is nothing switchdev can do about it. The DSA layer separates port_vlan_prepare and port_vlan_add for simplicity and convenience. If an hardware error occurs during the commit phase, there is no need to report it outside the driver itself. Make the DSA port_vlan_add routine return void for explicitness. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08net: dsa: make the FDB add function return voidVivien Didelot1-8/+8
The switchdev design implies that a software error should not happen in the commit phase since it must have been previously reported in the prepare phase. If an hardware error occurs during the commit phase, there is nothing switchdev can do about it. The DSA layer separates port_fdb_prepare and port_fdb_add for simplicity and convenience. If an hardware error occurs during the commit phase, there is no need to report it outside the DSA driver itself. Make the DSA port_fdb_add routine return void for explicitness. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-04-08net: dsa: make the STP state function return voidVivien Didelot1-17/+15
The DSA layer doesn't care about the return code of the port_stp_update routine, so make it void in the layer and the DSA drivers. Replace the useless dsa_slave_stp_update function with a dsa_slave_stp_state function used to reply to the switchdev SWITCHDEV_ATTR_ID_PORT_STP_STATE attribute. In the meantime, rename port_stp_update to port_stp_state_set to explicit the state change. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-14net: dsa: refine netdev event notifierVivien Didelot1-24/+30
Rework the netdev event handler, similar to what the Mellanox Spectrum driver does, to easily welcome more events later (for example NETDEV_PRECHANGEUPPER) and use netdev helpers (such as netif_is_bridge_master). Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-14net: dsa: make port_bridge_leave return voidVivien Didelot1-6/+3
netdev_upper_dev_unlink() which notifies NETDEV_CHANGEUPPER, returns void, as well as del_nbp(). So there's no advantage to catch an eventual error from the port_bridge_leave routine at the DSA level. Make this routine void for the DSA layer and its existing drivers. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-14net: dsa: rename port_*_bridge routinesVivien Didelot1-4/+4
Rename DSA port_join_bridge and port_leave_bridge routines to respectively port_bridge_join and port_bridge_leave in order to respect an implicit Port::Bridge namespace. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-14dsa: slave: Don't reference NULL pointer during phy_disconnectAndrew Lunn1-4/+8
When the phy is disconnected, the parent pointer to the netdev it was attached to is set to NULL. The code then tries to suspend the phy, but dsa_slave_fixed_link_update needs the parent pointer to determine which switch the phy is connected to. So it dereferenced a NULL pointer. Check for this condition. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-03-01net: dsa: support VLAN filtering switchdev attrVivien Didelot1-0/+21
When a user explicitly requests VLAN filtering with something like: # echo 1 > /sys/class/net/<bridge>/bridge/vlan_filtering Switchdev propagates a SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING port attribute. Add support for it in the DSA layer with a new port_vlan_filtering function to let drivers toggle 802.1Q filtering on user demand. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: dsa: drop vlan_getnextVivien Didelot1-34/+1
The VLAN GetNext operation is specific to some switches, and thus can be complicated to implement for some drivers. Remove the support for the vlan_getnext/port_pvid_get approach in favor of the generic and simpler port_vlan_dump function. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-25net: dsa: add port_vlan_dump routineVivien Didelot1-0/+3
Similar to port_fdb_dump, add a port_vlan_dump function to DSA drivers which gets passed the switchdev VLAN object and callback. This function, if implemented, takes precedence over the soon legacy vlan_getnext/port_pvid_get approach. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-23net: dsa: remove dsa_bridge_check_vlan_rangeVivien Didelot1-50/+0
DSA drivers may support multiple bridge groups with the same hardware VLAN. The mv88e6xxx driver which cannot yet, already has its own check for overlapping bridges. Thus remove the check from the DSA layer. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-23net: dsa: pass bridge down to driversVivien Didelot1-29/+2
Some DSA drivers may or may not support multiple software bridges on top of an hardware switch. It is more convenient for them to access the bridge's net_device for finer configuration. Removing the need to craft and access a bitmask also simplifies the code. This patch changes the signature of bridge related functions, update DSA drivers, and removes dsa_slave_br_port_mask. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Tested-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-17net: dsa: Unregister slave_dev in error pathFlorian Fainelli1-0/+1
With commit 0071f56e46da ("dsa: Register netdev before phy"), we are now trying to free a network device that has been previously registered, and in case of errors, this will make us hit the BUG_ON(dev->reg_state != NETREG_UNREGISTERED) condition. Fix this by adding a missing unregister_netdev() before free_netdev(). Fixes: 0071f56e46da ("dsa: Register netdev before phy") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-16net: dsa: remove phy_disconnect from error pathSascha Hauer1-1/+0
The phy has not been initialized, disconnecting it in the error path results in a NULL pointer exception. Drop the phy_disconnect from the error path. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07dsa: Register netdev before phyAndrew Lunn1-7/+7
When the phy is connected, an info message is printed. If the netdev it is attached to has not been registered yet, the name 'uninitialised' in the output. By registering the netdev first, then connecting they phy, we can avoid this. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07phy: Add API for {un}registering an mdio device to a bus.Andrew Lunn1-1/+2
Rather than have drivers directly manipulate the mii_bus structure, provide and API for registering and unregistering devices on an MDIO bus, and performing lookups. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-07phy: Centralise print about attached phyAndrew Lunn1-3/+2
Many Ethernet drivers contain the same netdev_info() print statement about the attached phy. Move it into the phy device code. Additionally add a varargs function which can be used to append additional information. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-07net: dsa: move dsa slave destroy code to slave.cNeil Armstrong1-0/+11
Move dsa slave dedicated code from dsa_switch_destroy to a new dsa_slave_destroy function in slave.c. Add the netif_carrier_off and phy_disconnect calls in order to correctly cleanup the netdev state and PHY state machine. Signed-off-by: Frode Isaksen <fisaksen@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-11-01net: dsa: use switchdev obj for VLAN add/del opsVivien Didelot1-20/+9
Simplify DSA by pushing the switchdev objects for VLAN add and delete operations down to its drivers. Currently only mv88e6xxx is affected. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-22net: dsa: remove port_fdb_getnextVivien Didelot1-24/+1
No driver implements port_fdb_getnext anymore, and port_fdb_dump is preferred anyway, so remove this function from DSA. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-22net: dsa: add port_fdb_dump functionVivien Didelot1-0/+3
Not all switch chips support a Get Next operation to iterate on its FDB. So add a more simple port_fdb_dump function for them. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-15switchdev: remove pointers from switchdev objectsJiri Pirko1-1/+1
When object is used in deferred work, we cannot use pointers in switchdev object structures because the memory they point at may be already used by someone else. So rather do local copy of the value. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-15switchdev: make struct switchdev_attr parameter const for attr_set callsJiri Pirko1-1/+1
Signed-off-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-13net: dsa: do not warn unsupported bridge opsVivien Didelot1-1/+1
A DSA driver may not provide the port_join_bridge and port_leave_bridge functions, so don't warn in such case. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-11net: dsa: use switchdev obj in port_fdb_delVivien Didelot1-1/+1
For consistency with the FDB add operation, propagate the switchdev_obj_port_fdb structure in the DSA drivers. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-11net: dsa: push prepare phase in port_fdb_addVivien Didelot1-1/+1
Now that the prepare phase is pushed down to the DSA drivers, propagate it to the port_fdb_add function. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-11net: dsa: add port_fdb_prepareVivien Didelot1-2/+5
Push the prepare phase for FDB operations down to the DSA drivers, with a new port_fdb_prepare function. Currently only mv88e6xxx is affected. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-07net: dsa: better error reportingRussell King1-8/+16
Add additional error reporting to the generic DSA code, so it's easier to debug when things go wrong. This was useful when initially bringing up 88e6176 on a new board. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: push object ID back to object structureJiri Pirko1-6/+3
Suggested-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: bring back switchdev_obj and use it as a generic object paramJiri Pirko1-14/+27
Replace "void *obj" with a generic structure. Introduce couple of helpers along that. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: rename switchdev_obj_fdb to switchdev_obj_port_fdbJiri Pirko1-3/+3
Make the struct name in sync with object id name. Suggested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: rename switchdev_obj_vlan to switchdev_obj_port_vlanJiri Pirko1-3/+3
Make the struct name in sync with object id name. Suggested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: rename SWITCHDEV_ATTR_* enum values to SWITCHDEV_ATTR_ID_*Jiri Pirko1-2/+2
To be aligned with obj. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-10-03switchdev: rename SWITCHDEV_OBJ_* enum values to SWITCHDEV_OBJ_ID_*Jiri Pirko1-6/+6
Suggested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Scott Feldman <sfeldma@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-09-29net: dsa: fix preparation of a port STP updateVivien Didelot1-3/+8
Because of the default 0 value of ret in dsa_slave_port_attr_set, a driver may return -EOPNOTSUPP from the commit phase of a STP state, which triggers a WARN() from switchdev. This happened on a 6185 switch which does not support hardware bridging. Reported-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Acked-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-09-29net: switchdev: abstract object in add/del opsVivien Didelot1-12/+8
Similar to the notifier_call callback of a notifier_block, change the function signature of switchdev add and del operations to: int switchdev_port_obj_add/del(struct net_device *dev, enum switchdev_obj_id id, void *obj); This allows the caller to pass a specific switchdev_obj_* structure instead of the generic switchdev_obj one. Drivers implementation of these operations and switchdev have been changed accordingly. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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