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From: Roopa Prabhu <roopa@cumulusnetworks•com>
To: Jiri Pirko <jiri@resnulli•us>
Cc: netdev@vger•kernel.org, davem@davemloft•net,
	nhorman@tuxdriver•com, andy@greyhouse•net, tgraf@suug•ch,
	dborkman@redhat•com, ogerlitz@mellanox•com, jesse@nicira•com,
	pshelar@nicira•com, azhou@nicira•com, ben@decadent•org.uk,
	stephen@networkplumber•org, jeffrey.t.kirsher@intel•com,
	vyasevic@redhat•com, xiyou.wangcong@gmail•com,
	john.r.fastabend@intel•com, edumazet@google•com,
	jhs@mojatatu•com, sfeldma@gmail•com, f.fainelli@gmail•com,
	linville@tuxdriver•com, jasowang@redhat•com,
	ebiederm@xmission•com, nicolas.dichtel@6wind•com,
	ryazanov.s.a@gmail•com, buytenh@wantstofly•org,
	aviadr@mellanox•com, nbd@openwrt•org,
	alexei.starovoitov@gmail•com, Neil.Jerram@metaswitch•com,
	ronye@mellanox•com, simon.horman@netronome•com,
	alexander.h.duyck@redhat•com, john.ronciak@intel•com,
	mleitner@redhat•com, shrijeet@gmail•com,
	gospo@cumulusnetworks•com, bcrl@kvack•org
Subject: Re: [patch net-next v3 08/17] bridge: call netdev_sw_port_stp_update when bridge port STP status changes
Date: Tue, 25 Nov 2014 14:48:30 -0800	[thread overview]
Message-ID: <5475073E.70503@cumulusnetworks.com> (raw)
In-Reply-To: <1416911328-10979-9-git-send-email-jiri@resnulli.us>

On 11/25/14, 2:28 AM, Jiri Pirko wrote:
> From: Scott Feldman <sfeldma@gmail•com>
>
> To notify switch driver of change in STP state of bridge port, add new
> .ndo op and provide switchdev wrapper func to call ndo op. Use it in bridge
> code then.
>
> Signed-off-by: Scott Feldman <sfeldma@gmail•com>
> Signed-off-by: Jiri Pirko <jiri@resnulli•us>
> ---
> v2->v3:
> -changed "sw" string to "switch" to avoid confusion
> v1->v2:
> -no change
> ---
>   include/linux/netdevice.h |  5 +++++
>   include/net/switchdev.h   |  7 +++++++
>   net/bridge/br_stp.c       |  2 ++
>   net/switchdev/switchdev.c | 19 +++++++++++++++++++
>   4 files changed, 33 insertions(+)
>
> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
> index ce096dc..66cb64e 100644
> --- a/include/linux/netdevice.h
> +++ b/include/linux/netdevice.h
> @@ -1024,6 +1024,9 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
>    *	Called to get an ID of the switch chip this port is part of.
>    *	If driver implements this, it indicates that it represents a port
>    *	of a switch chip.
> + * int (*ndo_switch_port_stp_update)(struct net_device *dev, u8 state);
> + *	Called to notify switch device port of bridge port STP
> + *	state change.
>    */
>   struct net_device_ops {
>   	int			(*ndo_init)(struct net_device *dev);
> @@ -1180,6 +1183,8 @@ struct net_device_ops {
>   #ifdef CONFIG_NET_SWITCHDEV
>   	int			(*ndo_switch_parent_id_get)(struct net_device *dev,
>   							    struct netdev_phys_item_id *psid);
> +	int			(*ndo_switch_port_stp_update)(struct net_device *dev,
> +							      u8 state);
>   #endif
>   };
>   
> diff --git a/include/net/switchdev.h b/include/net/switchdev.h
> index 7a52360..8a6d164 100644
> --- a/include/net/switchdev.h
> +++ b/include/net/switchdev.h
> @@ -16,6 +16,7 @@
>   
>   int netdev_switch_parent_id_get(struct net_device *dev,
>   				struct netdev_phys_item_id *psid);
> +int netdev_switch_port_stp_update(struct net_device *dev, u8 state);
>   
>   #else
>   
> @@ -25,6 +26,12 @@ static inline int netdev_switch_parent_id_get(struct net_device *dev,
>   	return -EOPNOTSUPP;
>   }
>   
> +static inline int netdev_switch_port_stp_update(struct net_device *dev,
> +						u8 state)
> +{
> +	return -EOPNOTSUPP;
> +}
> +
>   #endif
>   
>   #endif /* _LINUX_SWITCHDEV_H_ */
> diff --git a/net/bridge/br_stp.c b/net/bridge/br_stp.c
> index 2b047bc..35e016c 100644
> --- a/net/bridge/br_stp.c
> +++ b/net/bridge/br_stp.c
> @@ -12,6 +12,7 @@
>    */
>   #include <linux/kernel.h>
>   #include <linux/rculist.h>
> +#include <net/switchdev.h>
>   
>   #include "br_private.h"
>   #include "br_private_stp.h"
> @@ -39,6 +40,7 @@ void br_log_state(const struct net_bridge_port *p)
>   void br_set_state(struct net_bridge_port *p, unsigned int state)
>   {
>   	p->state = state;
> +	netdev_switch_port_stp_update(p->dev, state);
>   }
>   
>   /* called under bridge lock */
> diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
> index 66973de..d162b21 100644
> --- a/net/switchdev/switchdev.c
> +++ b/net/switchdev/switchdev.c
> @@ -31,3 +31,22 @@ int netdev_switch_parent_id_get(struct net_device *dev,
>   	return ops->ndo_switch_parent_id_get(dev, psid);
>   }
>   EXPORT_SYMBOL(netdev_switch_parent_id_get);
> +
> +/**
> + *	netdev_switch_port_stp_update - Notify switch device port of STP
> + *					state change
> + *	@dev: port device
> + *	@state: port STP state
> + *
> + *	Notify switch device port of bridge port STP state change.
> + */
> +int netdev_switch_port_stp_update(struct net_device *dev, u8 state)
> +{
> +	const struct net_device_ops *ops = dev->netdev_ops;
> +
> +	if (!ops->ndo_switch_port_stp_update)
> +		return -EOPNOTSUPP;
> +	WARN_ON(!ops->ndo_switch_parent_id_get);
> +	return ops->ndo_switch_port_stp_update(dev, state);
> +}
> +EXPORT_SYMBOL(netdev_switch_port_stp_update);

This should also check  if offload is enabled on the bridge/port ?

  parent reply	other threads:[~2014-11-25 22:48 UTC|newest]

Thread overview: 148+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-25 10:28 [patch net-next v3 00/17] introduce rocker switch driver with hardware accelerated datapath api - phase 1: bridge fdb offload Jiri Pirko
2014-11-25 10:28 ` [patch net-next v3 01/17] bridge: rename fdb_*_hw to fdb_*_hw_addr to avoid confusion Jiri Pirko
2014-11-25 15:03   ` Andy Gospodarek
2014-11-25 15:26   ` Jamal Hadi Salim
2014-11-25 22:11   ` Thomas Graf
2014-11-25 22:33   ` Florian Fainelli
2014-11-25 10:28 ` [patch net-next v3 02/17] net: make vid as a parameter for ndo_fdb_add/ndo_fdb_del Jiri Pirko
2014-11-25 15:13   ` Andy Gospodarek
2014-11-25 15:18     ` Jiri Pirko
2014-11-25 15:43       ` John Fastabend
2014-11-25 16:38         ` Jiri Pirko
2014-12-09 11:57         ` Or Gerlitz
2014-11-25 15:38   ` Jamal Hadi Salim
2014-11-25 16:01     ` John Fastabend
2014-11-25 16:18       ` Jamal Hadi Salim
2014-11-25 16:30         ` John Fastabend
2014-11-25 16:50           ` Jamal Hadi Salim
2014-11-26  1:44             ` Simon Horman
2014-11-26  2:36             ` Scott Feldman
2014-11-26  3:19               ` Jamal Hadi Salim
2014-11-26  3:59                 ` Scott Feldman
2014-11-26 11:28                   ` Jamal Hadi Salim
2014-11-26 11:40                     ` Jiri Pirko
2014-11-26 11:54                       ` Jamal Hadi Salim
2014-11-26 12:06                         ` Jamal Hadi Salim
2014-11-27  6:50                     ` Scott Feldman
2014-11-27 12:14                       ` Jamal Hadi Salim
2014-11-27 20:59                         ` Scott Feldman
2014-11-27 21:55                           ` Jiri Pirko
2014-11-28 12:57                             ` Jamal Hadi Salim
2014-11-28 10:14               ` Roopa Prabhu
2014-11-28 10:33                 ` Scott Feldman
2014-11-25 16:19     ` Roopa Prabhu
2014-11-25 16:33       ` John Fastabend
2014-11-25 16:57         ` Jamal Hadi Salim
2014-11-25 16:43       ` Jiri Pirko
2014-11-25 18:53   ` Samudrala, Sridhar
2014-11-25 20:40     ` Jiri Pirko
2014-11-25 22:14   ` Thomas Graf
2014-11-25 22:39     ` Florian Fainelli
2014-11-25 23:11       ` Thomas Graf
2014-11-26  7:54     ` Jiri Pirko
2014-11-25 10:28 ` [patch net-next v3 03/17] net: rename netdev_phys_port_id to more generic name Jiri Pirko
2014-11-25 15:15   ` Andy Gospodarek
2014-11-25 15:44   ` Jamal Hadi Salim
2014-11-25 10:28 ` [patch net-next v3 04/17] net: introduce generic switch devices support Jiri Pirko
2014-11-25 15:02   ` Andy Gospodarek
2014-11-25 15:51   ` Jamal Hadi Salim
2014-11-25 16:49     ` Jiri Pirko
2014-11-25 17:08       ` Jamal Hadi Salim
2014-11-25 21:54         ` Thomas Graf
2014-11-26  3:33           ` Jamal Hadi Salim
2014-11-26  4:18             ` Scott Feldman
2014-11-26 11:36               ` Jamal Hadi Salim
2014-11-26 16:08                 ` Thomas Graf
2014-11-26 17:09                   ` Jamal Hadi Salim
2014-11-26 17:59                     ` Jiri Pirko
2014-11-26 21:50                       ` Thomas Graf
2014-11-26 23:32                         ` Jamal Hadi Salim
2014-11-27 13:03                           ` Thomas Graf
2014-11-27 13:32                             ` Jamal Hadi Salim
2014-11-27 13:50                               ` Jiri Pirko
2014-11-28 13:13                                 ` Jamal Hadi Salim
2014-11-27  5:58                 ` Scott Feldman
2014-11-27 12:46                   ` Jamal Hadi Salim
2014-11-27  3:13             ` Simon Horman
2014-11-27 12:35               ` Jamal Hadi Salim
2014-11-25 16:07   ` Roopa Prabhu
2014-11-25 16:50     ` Jiri Pirko
2014-11-25 10:28 ` [patch net-next v3 05/17] rtnl: expose physical switch id for particular device Jiri Pirko
2014-11-25 15:16   ` Andy Gospodarek
2014-11-25 10:28 ` [patch net-next v3 06/17] net-sysfs: " Jiri Pirko
2014-11-25 15:28   ` Andy Gospodarek
2014-11-25 15:53   ` Jamal Hadi Salim
2014-11-25 22:27   ` Florian Fainelli
2014-11-25 10:28 ` [patch net-next v3 07/17] rocker: introduce rocker switch driver Jiri Pirko
2014-11-25 15:57   ` Jamal Hadi Salim
2014-11-25 16:57     ` Jiri Pirko
2014-11-25 17:10     ` David Miller
2014-11-25 17:15       ` Jiri Pirko
2014-11-25 17:15         ` Jamal Hadi Salim
2014-11-25 17:51         ` Andy Gospodarek
2014-11-25 16:13   ` David Laight
2014-11-25 19:19     ` Scott Feldman
2014-11-25 21:57       ` tgraf
2014-11-25 10:28 ` [patch net-next v3 08/17] bridge: call netdev_sw_port_stp_update when bridge port STP status changes Jiri Pirko
2014-11-25 15:58   ` Andy Gospodarek
2014-11-25 16:53     ` Jiri Pirko
2014-11-25 22:18       ` Thomas Graf
2014-11-25 22:20     ` Florian Fainelli
2014-11-25 22:48   ` Roopa Prabhu [this message]
2014-11-26  1:35     ` Scott Feldman
2014-11-28 10:05       ` Roopa Prabhu
2014-11-28 10:51         ` Scott Feldman
2014-11-28 13:17           ` Jamal Hadi Salim
2014-11-28 13:27             ` Jiri Pirko
2014-11-28 16:23             ` Roopa Prabhu
2014-11-25 10:28 ` [patch net-next v3 09/17] bridge: add API to notify bridge driver of learned FBD on offloaded device Jiri Pirko
2014-11-25 16:01   ` Jamal Hadi Salim
2014-11-25 16:38   ` Andy Gospodarek
2014-11-25 22:36     ` Thomas Graf
2014-11-26  1:48       ` Scott Feldman
2014-11-26 10:26         ` Jiri Pirko
2014-11-25 22:44   ` Florian Fainelli
2014-11-26  2:03     ` Scott Feldman
2014-11-26  2:34       ` Florian Fainelli
2014-11-26  2:40         ` Scott Feldman
2014-11-26  8:16           ` Jiri Pirko
2014-11-26  3:22     ` Jamal Hadi Salim
2014-11-25 10:28 ` [patch net-next v3 10/17] rocker: implement rocker ofdpa flow table manipulation Jiri Pirko
2014-11-25 16:03   ` Jamal Hadi Salim
2014-11-25 10:28 ` [patch net-next v3 11/17] rocker: implement L2 bridge offloading Jiri Pirko
2014-11-25 16:04   ` Jamal Hadi Salim
2014-11-25 17:11     ` David Miller
2014-11-25 10:28 ` [patch net-next v3 12/17] rocker: implement ndo_fdb_dump Jiri Pirko
2014-11-25 16:04   ` Jamal Hadi Salim
2014-11-25 10:28 ` [patch net-next v3 13/17] bridge: move private brport flags to if_bridge.h so port drivers can use flags Jiri Pirko
2014-11-25 16:01   ` Andy Gospodarek
2014-11-25 16:05   ` Jamal Hadi Salim
2014-11-25 22:20   ` Florian Fainelli
2014-11-25 22:48   ` Thomas Graf
2014-11-26 12:12     ` Jiri Pirko
2014-11-25 10:28 ` [patch net-next v3 14/17] bridge: add new brport flag LEARNING_SYNC Jiri Pirko
2014-11-25 16:05   ` Roopa Prabhu
2014-11-25 16:06   ` Jamal Hadi Salim
2014-11-25 16:40   ` Andy Gospodarek
2014-11-25 10:28 ` [patch net-next v3 15/17] bridge: add new hwmode swdev Jiri Pirko
2014-11-25 16:03   ` Roopa Prabhu
2014-11-25 16:17     ` Andy Gospodarek
2014-11-25 22:56       ` Thomas Graf
2014-11-25 16:07   ` Jamal Hadi Salim
2014-11-25 23:00     ` Thomas Graf
2014-11-25 10:28 ` [patch net-next v3 16/17] bridge: add brport flags to dflt bridge_getlink Jiri Pirko
2014-11-25 16:08   ` Jamal Hadi Salim
2014-11-25 17:02     ` Scott Feldman
2014-11-25 17:48   ` Andy Gospodarek
2014-11-25 22:07   ` Thomas Graf
2014-11-26  9:25     ` Jiri Pirko
2014-11-26 10:48       ` Thomas Graf
2014-11-25 10:28 ` [patch net-next v3 17/17] rocker: add ndo_bridge_setlnk/getlink support for learning policy Jiri Pirko
2014-11-25 16:09   ` Jamal Hadi Salim
2014-11-25 18:55     ` Scott Feldman
2014-11-25 19:00       ` Jamal Hadi Salim
2014-11-25 20:42         ` Jiri Pirko
2014-11-26 11:07   ` Thomas Graf
2014-11-26 11:27     ` Jiri Pirko
2014-11-26 11:30       ` Thomas Graf
2014-11-26 11:42         ` Jiri Pirko

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