Proxmox-Port/linux-loongson
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson synced 2025-09-06 13:09:58 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

net: airoha: Enforce ETS Qdisc priomap

Browse Source 
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>
This commit is contained in:
Lorenzo Bianconi 2025-01-12 19:32:45 +01:00 committed by Jakub Kicinski
parent 62507e3856
commit b56e4d660a
1 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/net/ethernet/mediatek/airoha_eth.c
View File

@ -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)