netdev - Re: [PATCH net-next V2 5/5] eth: mlx5: Move pause storm errors to pause stats

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] [day] [month] [year] [list]

Message-ID: <7722cd96-49ed-4988-abf4-8b0755453f14@gmail.com>
Date: Wed, 11 Feb 2026 13:18:06 -0800
From: Mohsin Bashir <mohsin.bashr@...il.com>
To: Tariq Toukan <ttoukan.linux@...il.com>, netdev@...r.kernel.org
Cc: alexanderduyck@...com, andrew+netdev@...n.ch, andrew@...n.ch,
 davem@...emloft.net, donald.hunter@...il.com, edumazet@...gle.com,
 gal@...dia.com, horms@...nel.org, idosch@...dia.com,
 jacob.e.keller@...el.com, kernel-team@...a.com, kory.maincent@...tlin.com,
 kuba@...nel.org, lee@...ger.us, leon@...nel.org, linux-rdma@...r.kernel.org,
 linux@...linux.org.uk, mbloch@...dia.com, o.rempel@...gutronix.de,
 pabeni@...hat.com, saeedm@...dia.com, tariqt@...dia.com,
 vadim.fedorenko@...ux.dev
Subject: Re: [PATCH net-next V2 5/5] eth: mlx5: Move pause storm errors to
 pause stats



On 2/11/26 1:49 AM, Tariq Toukan wrote:

>> +static int mlx5e_stats_get_per_prio(struct mlx5_core_dev *mdev,
>> +                    u32 *ppcnt_per_prio)
>> +{
>> +    u32 in[MLX5_ST_SZ_DW(ppcnt_reg)] = {};
>> +    int sz = MLX5_ST_SZ_BYTES(ppcnt_reg);
>> +
>> +    if (!(MLX5_CAP_PCAM_FEATURE(mdev, pfcc_mask) &&
>> +          MLX5_CAP_DEBUG(mdev, stall_detect)))
>> +        return -EOPNOTSUPP;
>> +
>> +    MLX5_SET(ppcnt_reg, in, local_port, 1);
>> +    MLX5_SET(ppcnt_reg, in, grp, MLX5_PER_PRIORITY_COUNTERS_GROUP);
>> +    MLX5_SET(ppcnt_reg, in, prio_tc, 0);
> 
> No interest in all other non-0 prios?
> 
I opted for prio 0 for simplicity. I can iterate over all prios and 
aggregate if that's needed.