From 67635578fd19d0576c54bbe722a9664e8a6ab2a6 Mon Sep 17 00:00:00 2001 From: Christian Marangi Date: Fri, 17 Jan 2025 22:04:19 +0100 Subject: [PATCH] airoha: an7581: backport ETS patch for Airoha ethernet Backport ETS patch for Airoha ethernet and refresh affected patches. Signed-off-by: Christian Marangi --- ...net-airoha-Enforce-ETS-Qdisc-priomap.patch | 53 +++++++++++++++++++ ...-channel-configuration-for-ETS-Qdisc.patch | 2 +- 2 files changed, 54 insertions(+), 1 deletion(-) create mode 100644 target/linux/airoha/patches-6.6/039-v6.14-net-airoha-Enforce-ETS-Qdisc-priomap.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 index 00000000000000..2753972070227a --- /dev/null +++ b/target/linux/airoha/patches-6.6/039-v6.14-net-airoha-Enforce-ETS-Qdisc-priomap.patch @@ -0,0 +1,53 @@ +From b56e4d660a9688ff83f5cbdc6e3ea063352d0d79 Mon Sep 17 00:00:00 2001 +From: Lorenzo Bianconi +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 +Signed-off-by: Lorenzo Bianconi +Reviewed-by: Davide Caratti +Link: https://patch.msgid.link/20250112-airoha_ets_priomap-v1-1-fb616de159ba@kernel.org +Signed-off-by: Jakub Kicinski +--- + 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) diff --git a/target/linux/airoha/patches-6.6/113-net-airoha-Fix-channel-configuration-for-ETS-Qdisc.patch b/target/linux/airoha/patches-6.6/113-net-airoha-Fix-channel-configuration-for-ETS-Qdisc.patch index 5bd7487b9f2b83..e98fdad065e59e 100644 --- a/target/linux/airoha/patches-6.6/113-net-airoha-Fix-channel-configuration-for-ETS-Qdisc.patch +++ b/target/linux/airoha/patches-6.6/113-net-airoha-Fix-channel-configuration-for-ETS-Qdisc.patch @@ -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) {