netdev - Re: [PATCH net-next v2 00/16] net: dsa: turn arrays of ports into a list

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <0391ff65-96c2-ab6f-511b-f633bdcfd3d7@gmail.com>
Date:   Mon, 21 Oct 2019 15:34:35 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vivien Didelot <vivien.didelot@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     linux-kernel@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2 00/16] net: dsa: turn arrays of ports into a
 list

On 10/21/19 1:51 PM, Vivien Didelot wrote:
> The dsa_switch structure represents the physical switch device itself,
> and is allocated by the driver. The dsa_switch_tree and dsa_port structures
> represent the logical switch fabric (eventually composed of multiple switch
> devices) and its ports, and are allocated by the DSA core.
> 
> This branch lists the logical ports directly in the fabric which simplifies
> the iteration over all ports when assigning the default CPU port or configuring
> the D in DSA in drivers like mv88e6xxx.
> 
> This also removes the unique dst->cpu_dp pointer and is a first step towards
> supporting multiple CPU ports and dropping the DSA_MAX_PORTS limitation.
> 
> Because the dsa_port structures are not tight to the dsa_switch structure
> anymore, we do not need to provide an helper for the drivers to allocate a
> switch structure. Like in many other subsystems, drivers can now embed their
> dsa_switch structure as they wish into their private structure. This will
> be particularly interesting for the Broadcom drivers which were currently
> limited by the dynamically allocated array of DSA ports.
> 
> The series implements the list of dsa_port structures, makes use of it,
> then drops dst->cpu_dp and the dsa_switch_alloc helper.

For the entire series:

Tested-by: Florian Fainelli <f.fainelli@...il.com>

On a BCM7278 with two CPU ports (one at 5, one at 8), and things are
working as they used to before your patch series, thanks!
-- 
Florian