From nobody Thu Oct 2 02:15:16 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4DE6828640C; Thu, 25 Sep 2025 14:06:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758809188; cv=none; b=DU/1tQZRrVc+YhmpKF7+JPT7rHonIDbbHQMUCfbeNceX0V9Dk71chvxB56VELUp+Xr3x8MxmDva/53vEOT+ql/f4buvMqV9h6K6aLbDIgpC3rhStO4nmKxqEdmgQSnBzvN42aMCCDHDmo2BvaGC9CtV2c6VN7hGclPof+ghBLtY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758809188; c=relaxed/simple; bh=HV1fJPRFrPlcadQzhmD0w45w8XUYKAzZp4nL/8OX/sU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nx7RTUaYDeIktto1/F/5EjYI8h2iDbAJDxkPlUb05DW0XFMadhcw/rqs+Lf6dBTRlSl2Cs0w3tyaZfbOn2q7KQgAV0/LQ1DWpdhWNa0fKEvUhECGXz6LaeJ7qzYe3owErpTiakvLHlNow0k0rVThTr5u1ukOf3H34z0N9PwJo3A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AZXV4PyE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AZXV4PyE" Received: by smtp.kernel.org (Postfix) with ESMTPS id DAC92C116D0; Thu, 25 Sep 2025 14:06:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758809187; bh=HV1fJPRFrPlcadQzhmD0w45w8XUYKAzZp4nL/8OX/sU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=AZXV4PyEfHJIAOnyxSkujQNWdCnF1+t0zf438VaaaJxiOkVeZAQ2bhk4zWXwks32S xCtuq4ZUx7iRijmMNrn9R9iuIxGkClsa4QpFc3rq7wjqsNURc4HuTOvi8iuG/bfDrc xz4LqWlW0QNWGnlEoJR2/kVqQH0UMEzYKacUQGEUA50J1vNIETIZb6Pddfxb2E8lam K/H79239LrutrQYv+yFXTmha4wK7+NmaX2iT1RmWsoi6+C8I3YkzOr0k40e6B1+joa US5G3dPMN5hAb19htIfLNuuZAPQjNMEKkNsboWDcjo4KDEbOe942rVcZ0Kk+nacgtu XvRuD6GGq2acw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD778CAC5B7; Thu, 25 Sep 2025 14:06:27 +0000 (UTC) From: Rohan G Thomas via B4 Relay Date: Thu, 25 Sep 2025 22:06:14 +0800 Subject: [PATCH net-next v3 2/2] net: stmmac: tc: Add HLBS drop count to taprio stats Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250925-hlbs_2-v3-2-3b39472776c2@altera.com> References: <20250925-hlbs_2-v3-0-3b39472776c2@altera.com> In-Reply-To: <20250925-hlbs_2-v3-0-3b39472776c2@altera.com> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue Cc: netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rohan G Thomas , Matthew Gerlach X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1758809186; l=1901; i=rohan.g.thomas@altera.com; s=20250815; h=from:subject:message-id; bh=yQq3VlBwoMaeIk8RqufK4UtuoZY2MJJUDQlkLWwWmPU=; b=hMdALF2Fprn4xVt2wKIRH3p+R12E3UBo6KtGBycM/0VaCD43UCQOfL6aRH7GT37DTEzaquy94 rybizx/a9NfB7Wi/Vz9npKmXRfGA6OTViRZojhai+kF+f2vKAwnzA0S X-Developer-Key: i=rohan.g.thomas@altera.com; a=ed25519; pk=5yZXkXswhfUILKAQwoIn7m6uSblwgV5oppxqde4g4TY= X-Endpoint-Received: by B4 Relay for rohan.g.thomas@altera.com/20250815 with auth_id=494 X-Original-From: Rohan G Thomas Reply-To: rohan.g.thomas@altera.com From: Rohan G Thomas Add the count of the frames dropped by Head-Of-Line Blocking due to Scheduling(HLBS) error to taprio window drop count stats. Signed-off-by: Rohan G Thomas Reviewed-by: Matthew Gerlach Reviewed-by: Furong Xu <0x1207@gmail.com> --- drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/= ethernet/stmicro/stmmac/stmmac_tc.c index 694d6ee1438197bd4434af6e9b78f022e94ff98f..97e89a604abd7a01bb8e904c38f= 10716e0a911c1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -1080,6 +1080,7 @@ static int tc_taprio_configure(struct stmmac_priv *pr= iv, for (i =3D 0; i < priv->plat->tx_queues_to_use; i++) { priv->xstats.max_sdu_txq_drop[i] =3D 0; priv->xstats.mtl_est_txq_hlbf[i] =3D 0; + priv->xstats.mtl_est_txq_hlbs[i] =3D 0; } mutex_unlock(&priv->est_lock); } @@ -1097,7 +1098,8 @@ static void tc_taprio_stats(struct stmmac_priv *priv, =20 for (i =3D 0; i < priv->plat->tx_queues_to_use; i++) window_drops +=3D priv->xstats.max_sdu_txq_drop[i] + - priv->xstats.mtl_est_txq_hlbf[i]; + priv->xstats.mtl_est_txq_hlbf[i] + + priv->xstats.mtl_est_txq_hlbs[i]; qopt->stats.window_drops =3D window_drops; =20 /* Transmission overrun doesn't happen for stmmac, hence always 0 */ @@ -1111,7 +1113,8 @@ static void tc_taprio_queue_stats(struct stmmac_priv = *priv, int queue =3D qopt->queue_stats.queue; =20 q_stats->stats.window_drops =3D priv->xstats.max_sdu_txq_drop[queue] + - priv->xstats.mtl_est_txq_hlbf[queue]; + priv->xstats.mtl_est_txq_hlbf[queue] + + priv->xstats.mtl_est_txq_hlbs[queue]; =20 /* Transmission overrun doesn't happen for stmmac, hence always 0 */ q_stats->stats.tx_overruns =3D 0; --=20 2.35.3