Commit a9ac2e18 authored by Suman Ghosh's avatar Suman Ghosh Committed by Jakub Kicinski
Browse files

octeontx2-pf: Fix PFC TX scheduler free 



During PFC TX schedulers free, flag TXSCHQ_FREE_ALL was being set
which caused free up all schedulers other than the PFC schedulers.
This patch fixes that to free only the PFC Tx schedulers.

Fixes: 99c969a8 ("octeontx2-pf: Add egress PFC support")
Signed-off-by: default avatarSuman Ghosh <sumang@marvell.com>
Reviewed-by: default avatarSimon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230824081032.436432-2-sumang@marvell.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 931abcdc

drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c

+1 −0
Original line number Diff line number Diff line
@@ -804,6 +804,7 @@ void otx2_txschq_free_one(struct otx2_nic *pfvf, u16 lvl, u16 schq) 


	mutex_unlock(&pfvf->mbox.lock);

}

EXPORT_SYMBOL(otx2_txschq_free_one);



void otx2_txschq_stop(struct otx2_nic *pfvf)

{

drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.c

+4 −11
Original line number Diff line number Diff line
@@ -125,19 +125,12 @@ int otx2_pfc_txschq_alloc(struct otx2_nic *pfvf) 


static int otx2_pfc_txschq_stop_one(struct otx2_nic *pfvf, u8 prio)

{

	struct nix_txsch_free_req *free_req;

	int lvl;



	mutex_lock(&pfvf->mbox.lock);

	/* free PFC TLx nodes */

	free_req = otx2_mbox_alloc_msg_nix_txsch_free(&pfvf->mbox);

	if (!free_req) {

		mutex_unlock(&pfvf->mbox.lock);

		return -ENOMEM;

	}



	free_req->flags = TXSCHQ_FREE_ALL;

	otx2_sync_mbox_msg(&pfvf->mbox);

	mutex_unlock(&pfvf->mbox.lock);

	for (lvl = 0; lvl < pfvf->hw.txschq_link_cfg_lvl; lvl++)

		otx2_txschq_free_one(pfvf, lvl,

				     pfvf->pfc_schq_list[lvl][prio]);



	pfvf->pfc_alloc_status[prio] = false;

	return 0;