From: Rohan G Thomas Date: Thu, 25 Sep 2025 14:06:14 +0000 (+0800) Subject: net: stmmac: tc: Add HLBS drop count to taprio stats X-Git-Tag: v6.18-rc1~132^2~31^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=de17376cad9706911f2d5a58a8c0f02b9665025d;p=thirdparty%2Fkernel%2Fstable.git net: stmmac: tc: Add HLBS drop count to taprio stats 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> Link: https://patch.msgid.link/20250925-hlbs_2-v3-2-3b39472776c2@altera.com Signed-off-by: Jakub Kicinski --- diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index 694d6ee143819..97e89a604abd7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -1080,6 +1080,7 @@ disable: for (i = 0; i < priv->plat->tx_queues_to_use; i++) { priv->xstats.max_sdu_txq_drop[i] = 0; priv->xstats.mtl_est_txq_hlbf[i] = 0; + priv->xstats.mtl_est_txq_hlbs[i] = 0; } mutex_unlock(&priv->est_lock); } @@ -1097,7 +1098,8 @@ static void tc_taprio_stats(struct stmmac_priv *priv, for (i = 0; i < priv->plat->tx_queues_to_use; i++) window_drops += 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 = window_drops; /* 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 = qopt->queue_stats.queue; q_stats->stats.window_drops = 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]; /* Transmission overrun doesn't happen for stmmac, hence always 0 */ q_stats->stats.tx_overruns = 0;