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Octeontx2-pf: Free send queue buffers incase of leaf to inner

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There are two type of classes. "Leaf classes" that are  the
bottom of the class hierarchy. "Inner classes" that are neither
the root class nor leaf classes. QoS rules can only specify leaf
classes as targets for traffic.

			 Root
		        /  \
		       /    \
                      1      2
                             /\
                            /  \
                           4    5
               classes 1,4 and 5 are leaf classes.
               class 2 is a inner class.

When a leaf class made as inner, or vice versa, resources associated
with send queue (send queue buffers and transmit schedulers) are not
getting freed.

Fixes: 5e6808b4c6 ("octeontx2-pf: Add support for HTB offload")
Signed-off-by: Hariprasad Kelam <hkelam@marvell.com>
Link: https://lore.kernel.org/r/20240523073626.4114-1-hkelam@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Hariprasad Kelam 2024-05-23 13:06:26 +05:30 committed by Paolo Abeni
parent 51d1b25a72
commit 1684842147
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/marvell/octeontx2/nic/qos.c
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@ -1422,7 +1422,10 @@ static int otx2_qos_leaf_to_inner(struct otx2_nic *pfvf, u16 classid,
otx2_qos_read_txschq_cfg(pfvf, node, old_cfg);
/* delete the txschq nodes allocated for this node */
otx2_qos_disable_sq(pfvf, qid);
otx2_qos_free_hw_node_schq(pfvf, node);
otx2_qos_free_sw_node_schq(pfvf, node);
pfvf->qos.qid_to_sqmap[qid] = OTX2_QOS_INVALID_SQ;
/* mark this node as htb inner node */
WRITE_ONCE(node->qid, OTX2_QOS_QID_INNER);
@ -1632,6 +1635,7 @@ static int otx2_qos_leaf_del_last(struct otx2_nic *pfvf, u16 classid, bool force
dwrr_del_node = true;
/* destroy the leaf node */
otx2_qos_disable_sq(pfvf, qid);
otx2_qos_destroy_node(pfvf, node);
pfvf->qos.qid_to_sqmap[qid] = OTX2_QOS_INVALID_SQ;