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fedf53650a
Backport ETS patch for Airoha ethernet and refresh affected patches. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> (cherry picked from commit 67635578fd19d0576c54bbe722a9664e8a6ab2a6)
54 lines
1.9 KiB
Diff
54 lines
1.9 KiB
Diff
From b56e4d660a9688ff83f5cbdc6e3ea063352d0d79 Mon Sep 17 00:00:00 2001
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From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Sun, 12 Jan 2025 19:32:45 +0100
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Subject: [PATCH] net: airoha: Enforce ETS Qdisc priomap
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EN7581 SoC supports fixed QoS band priority where WRR queues have lowest
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priorities with respect to SP ones.
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E.g: WRR0, WRR1, .., WRRm, SP0, SP1, .., SPn
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Enforce ETS Qdisc priomap according to the hw capabilities.
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Suggested-by: Davide Caratti <dcaratti@redhat.com>
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Reviewed-by: Davide Caratti <dcaratti@redhat.com>
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Link: https://patch.msgid.link/20250112-airoha_ets_priomap-v1-1-fb616de159ba@kernel.org
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/ethernet/mediatek/airoha_eth.c | 17 +++++++++++++++--
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1 file changed, 15 insertions(+), 2 deletions(-)
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--- a/drivers/net/ethernet/mediatek/airoha_eth.c
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+++ b/drivers/net/ethernet/mediatek/airoha_eth.c
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@@ -2786,7 +2786,7 @@ static int airoha_qdma_set_tx_ets_sched(
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struct tc_ets_qopt_offload_replace_params *p = &opt->replace_params;
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enum tx_sched_mode mode = TC_SCH_SP;
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u16 w[AIROHA_NUM_QOS_QUEUES] = {};
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- int i, nstrict = 0;
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+ int i, nstrict = 0, nwrr, qidx;
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if (p->bands > AIROHA_NUM_QOS_QUEUES)
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return -EINVAL;
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@@ -2800,7 +2800,20 @@ static int airoha_qdma_set_tx_ets_sched(
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if (nstrict == AIROHA_NUM_QOS_QUEUES - 1)
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return -EINVAL;
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- for (i = 0; i < p->bands - nstrict; i++)
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+ /* EN7581 SoC supports fixed QoS band priority where WRR queues have
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+ * lowest priorities with respect to SP ones.
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+ * e.g: WRR0, WRR1, .., WRRm, SP0, SP1, .., SPn
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+ */
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+ nwrr = p->bands - nstrict;
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+ qidx = nstrict && nwrr ? nstrict : 0;
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+ for (i = 1; i <= p->bands; i++) {
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+ if (p->priomap[i % AIROHA_NUM_QOS_QUEUES] != qidx)
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+ return -EINVAL;
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+
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+ qidx = i == nwrr ? 0 : qidx + 1;
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+ }
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+
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+ for (i = 0; i < nwrr; i++)
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w[i] = p->weights[nstrict + i];
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if (!nstrict)
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