diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2025-01-12 21:32:45 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-01-15 01:50:33 +0300 |
| commit | b56e4d660a9688ff83f5cbdc6e3ea063352d0d79 (patch) | |
| tree | 970403b452af2994f838980e8fcf8b4f69505f44 | |
| parent | 62507e3856affdc1c90792bea89564a67f01f97c (diff) | |
| download | linux-b56e4d660a9688ff83f5cbdc6e3ea063352d0d79.tar.xz | |
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>
| -rw-r--r-- | drivers/net/ethernet/mediatek/airoha_eth.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mediatek/airoha_eth.c b/drivers/net/ethernet/mediatek/airoha_eth.c index a30c417d66f2..415d784de741 100644 --- a/drivers/net/ethernet/mediatek/airoha_eth.c +++ b/drivers/net/ethernet/mediatek/airoha_eth.c @@ -2793,7 +2793,7 @@ static int airoha_qdma_set_tx_ets_sched(struct airoha_gdm_port *port, 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; @@ -2807,7 +2807,20 @@ static int airoha_qdma_set_tx_ets_sched(struct airoha_gdm_port *port, 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) |