netdev - Re: [PATCH net-next 1/2] cxgb4: Update T6 Buffer Group and Channel Mappings

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Message-Id: <20170623.142252.535888507067541019.davem@davemloft.net>
Date:   Fri, 23 Jun 2017 14:22:52 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     ganeshgr@...lsio.com
Cc:     netdev@...r.kernel.org, nirranjan@...lsio.com,
        indranil@...lsio.com, venkatesh@...lsio.com, leedom@...lsio.com,
        arjun@...lsio.com
Subject: Re: [PATCH net-next 1/2] cxgb4: Update T6 Buffer Group and Channel
 Mappings

From: Ganesh Goudar <ganeshgr@...lsio.com>
Date: Fri, 23 Jun 2017 19:14:36 +0530

> From: Arjun Vynipadath <arjun@...lsio.com>
> 
> We were using t4_get_mps_bg_map() for both t4_get_port_stats()
> to determine which MPS Buffer Groups to report statistics on for a given
> Port, and also for t4_sge_alloc_rxq() to provide a TP Ingress Channel
> Congestion Map.  For T4/T5 these are actually the same values (because they
> are ~somewhat~ related), but for T6 they should return different values
> (T6 has Port 0 associated with MPS Buffer Group 0 (with MPS Buffer Group 1
> silently cascading off) and Port 1 is associated with MPS Buffer Group 2
> (with 3 cascading off)).
> 
> Based on the original work by Casey Leedom <leedom@...lsio.com>
> Signed-off-by: Arjun Vynipadath <arjun@...lsio.com>
> Signed-off-by: Ganesh Goudar <ganeshgr@...lsio.com>

Applied.