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Date: Thu, 14 Jul 2016 10:32:43 +0300 From: Saeed Mahameed <saeedm@...lanox.com> To: "David S. Miller" <davem@...emloft.net> Cc: netdev@...r.kernel.org, Or Gerlitz <ogerlitz@...lanox.com>, Hadar Hen-Zion <hadarh@...lanox.com>, Jiri Pirko <jiri@...lanox.com>, Andy Gospodarek <gospo@...ulusnetworks.com>, Jesse Brandeburg <jesse.brandeburg@...el.com>, John Fastabend <john.r.fastabend@...el.com>, Amir Vadai <amir@...ai.me>, Saeed Mahameed <saeedm@...lanox.com> Subject: [PATCH net-next V2 07/10] net/switchdev: Export the same parent ID service function From: Or Gerlitz <ogerlitz@...lanox.com> This helper serves to know if two switchdev port netdevices belong to the same HW ASIC, e.g to figure out if forwarding offload is possible between them. Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com> Signed-off-by: Saeed Mahameed <saeedm@...lanox.com> --- include/net/switchdev.h | 8 ++++++++ net/switchdev/switchdev.c | 5 +++-- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/include/net/switchdev.h b/include/net/switchdev.h index 985619a..9023e3e 100644 --- a/include/net/switchdev.h +++ b/include/net/switchdev.h @@ -227,6 +227,8 @@ void switchdev_port_fwd_mark_set(struct net_device *dev, struct net_device *group_dev, bool joining); +bool switchdev_port_same_parent_id(struct net_device *a, + struct net_device *b); #else static inline void switchdev_deferred_process(void) @@ -351,6 +353,12 @@ static inline void switchdev_port_fwd_mark_set(struct net_device *dev, { } +static inline bool switchdev_port_same_parent_id(struct net_device *a, + struct net_device *b) +{ + return false; +} + #endif #endif /* _LINUX_SWITCHDEV_H_ */ diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c index 59658b2..a5fc9dd 100644 --- a/net/switchdev/switchdev.c +++ b/net/switchdev/switchdev.c @@ -1286,8 +1286,8 @@ void switchdev_fib_ipv4_abort(struct fib_info *fi) } EXPORT_SYMBOL_GPL(switchdev_fib_ipv4_abort); -static bool switchdev_port_same_parent_id(struct net_device *a, - struct net_device *b) +bool switchdev_port_same_parent_id(struct net_device *a, + struct net_device *b) { struct switchdev_attr a_attr = { .orig_dev = a, @@ -1323,6 +1323,7 @@ static u32 switchdev_port_fwd_mark_get(struct net_device *dev, return dev->ifindex; } +EXPORT_SYMBOL_GPL(switchdev_port_same_parent_id); static void switchdev_port_fwd_mark_reset(struct net_device *group_dev, u32 old_mark, u32 *reset_mark) -- 2.8.0
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