netdev - RE: [EXTERNAL] [PATCH] hv_netvsc: Set device flags for properly indicating bonding

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Message-ID:
 <MN0PR21MB343792E0085454F88ED2DA93CA282@MN0PR21MB3437.namprd21.prod.outlook.com>
Date: Wed, 27 Nov 2024 20:08:56 +0000
From: Haiyang Zhang <haiyangz@...rosoft.com>
To: "longli@...uxonhyperv.com" <longli@...uxonhyperv.com>, KY Srinivasan
	<kys@...rosoft.com>, Wei Liu <wei.liu@...nel.org>, Dexuan Cui
	<decui@...rosoft.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni
	<pabeni@...hat.com>, Shradha Gupta <shradhagupta@...ux.microsoft.com>, Simon
 Horman <horms@...nel.org>, Konstantin Taranov <kotaranov@...rosoft.com>,
	Souradeep Chakrabarti <schakrabarti@...ux.microsoft.com>, Erick Archer
	<erick.archer@...look.com>, "linux-hyperv@...r.kernel.org"
	<linux-hyperv@...r.kernel.org>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-rdma@...r.kernel.org"
	<linux-rdma@...r.kernel.org>
CC: Long Li <longli@...rosoft.com>
Subject: RE: [EXTERNAL] [PATCH] hv_netvsc: Set device flags for properly
 indicating bonding



> -----Original Message-----
> From: longli@...uxonhyperv.com <longli@...uxonhyperv.com>
> Sent: Wednesday, November 27, 2024 2:43 PM
> To: KY Srinivasan <kys@...rosoft.com>; Haiyang Zhang
> <haiyangz@...rosoft.com>; Wei Liu <wei.liu@...nel.org>; Dexuan Cui
> <decui@...rosoft.com>; David S. Miller <davem@...emloft.net>; Eric
> Dumazet <edumazet@...gle.com>; Jakub Kicinski <kuba@...nel.org>; Paolo
> Abeni <pabeni@...hat.com>; Shradha Gupta
> <shradhagupta@...ux.microsoft.com>; Simon Horman <horms@...nel.org>;
> Konstantin Taranov <kotaranov@...rosoft.com>; Souradeep Chakrabarti
> <schakrabarti@...ux.microsoft.com>; Erick Archer
> <erick.archer@...look.com>; linux-hyperv@...r.kernel.org;
> netdev@...r.kernel.org; linux-kernel@...r.kernel.org; linux-
> rdma@...r.kernel.org
> Cc: Long Li <longli@...rosoft.com>
> Subject: [EXTERNAL] [PATCH] hv_netvsc: Set device flags for properly
> indicating bonding
> 
> From: Long Li <longli@...rosoft.com>
> 
> hv_netvsc uses a subset of bonding features in that the master always
> has only one active slave. But it never properly setup those flags.
> 
> Other kernel APIs (e.g those in "include/linux/netdevice.h") check for
> IFF_MASTER, IFF_SLAVE and IFF_BONDING for determing if those are used
> in a master/slave setup. RDMA uses those APIs extensively when looking
> for master/slave devices.
> 
> Make hv_netvsc properly setup those flags.
> 
> Signed-off-by: Long Li <longli@...rosoft.com>

Please add Fixes tag, Cc stable, add "net" to the subject.
Thanks.
Reviewed-by: Haiyang Zhang <haiyangz@...rosoft.com>