airoha: an7581: backport ETS patch for Airoha ethernet
authorChristian Marangi <ansuelsmth@gmail.com>
Fri, 17 Jan 2025 21:04:19 +0000 (22:04 +0100)
committerChristian Marangi <ansuelsmth@gmail.com>
Fri, 17 Jan 2025 21:04:19 +0000 (22:04 +0100)
Backport ETS patch for Airoha ethernet and refresh affected patches.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
target/linux/airoha/patches-6.6/039-v6.14-net-airoha-Enforce-ETS-Qdisc-priomap.patch [new file with mode: 0644]
target/linux/airoha/patches-6.6/113-net-airoha-Fix-channel-configuration-for-ETS-Qdisc.patch

diff --git a/target/linux/airoha/patches-6.6/039-v6.14-net-airoha-Enforce-ETS-Qdisc-priomap.patch b/target/linux/airoha/patches-6.6/039-v6.14-net-airoha-Enforce-ETS-Qdisc-priomap.patch
new file mode 100644 (file)
index 0000000..2753972
--- /dev/null
@@ -0,0 +1,53 @@
+From b56e4d660a9688ff83f5cbdc6e3ea063352d0d79 Mon Sep 17 00:00:00 2001
+From: Lorenzo Bianconi <lorenzo@kernel.org>
+Date: Sun, 12 Jan 2025 19:32:45 +0100
+Subject: [PATCH] net: airoha: Enforce ETS Qdisc priomap
+
+EN7581 SoC supports fixed QoS band priority where WRR queues have lowest
+priorities with respect to SP ones.
+E.g: WRR0, WRR1, .., WRRm, SP0, SP1, .., SPn
+
+Enforce ETS Qdisc priomap according to the hw capabilities.
+
+Suggested-by: Davide Caratti <dcaratti@redhat.com>
+Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
+Reviewed-by: Davide Caratti <dcaratti@redhat.com>
+Link: https://patch.msgid.link/20250112-airoha_ets_priomap-v1-1-fb616de159ba@kernel.org
+Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+---
+ drivers/net/ethernet/mediatek/airoha_eth.c | 17 +++++++++++++++--
+ 1 file changed, 15 insertions(+), 2 deletions(-)
+
+--- a/drivers/net/ethernet/mediatek/airoha_eth.c
++++ b/drivers/net/ethernet/mediatek/airoha_eth.c
+@@ -2786,7 +2786,7 @@ static int airoha_qdma_set_tx_ets_sched(
+       struct tc_ets_qopt_offload_replace_params *p = &opt->replace_params;
+       enum tx_sched_mode mode = TC_SCH_SP;
+       u16 w[AIROHA_NUM_QOS_QUEUES] = {};
+-      int i, nstrict = 0;
++      int i, nstrict = 0, nwrr, qidx;
+       if (p->bands > AIROHA_NUM_QOS_QUEUES)
+               return -EINVAL;
+@@ -2800,7 +2800,20 @@ static int airoha_qdma_set_tx_ets_sched(
+       if (nstrict == AIROHA_NUM_QOS_QUEUES - 1)
+               return -EINVAL;
+-      for (i = 0; i < p->bands - nstrict; i++)
++      /* EN7581 SoC supports fixed QoS band priority where WRR queues have
++       * lowest priorities with respect to SP ones.
++       * e.g: WRR0, WRR1, .., WRRm, SP0, SP1, .., SPn
++       */
++      nwrr = p->bands - nstrict;
++      qidx = nstrict && nwrr ? nstrict : 0;
++      for (i = 1; i <= p->bands; i++) {
++              if (p->priomap[i % AIROHA_NUM_QOS_QUEUES] != qidx)
++                      return -EINVAL;
++
++              qidx = i == nwrr ? 0 : qidx + 1;
++      }
++
++      for (i = 0; i < nwrr; i++)
+               w[i] = p->weights[nstrict + i];
+       if (!nstrict)
index 5bd7487b9f2b83453ffa2ac36ae141c91a3c7e5e..e98fdad065e59e7734180450b9c1a93cbac6dca0 100644 (file)
@@ -86,7 +86,7 @@ Best regards,
 
 --- a/drivers/net/ethernet/mediatek/airoha_eth.c
 +++ b/drivers/net/ethernet/mediatek/airoha_eth.c
-@@ -2833,11 +2833,14 @@ static int airoha_qdma_get_tx_ets_stats(
+@@ -2846,11 +2846,14 @@ static int airoha_qdma_get_tx_ets_stats(
  static int airoha_tc_setup_qdisc_ets(struct airoha_gdm_port *port,
                                     struct tc_ets_qopt_offload *opt)
  {