ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/target/linux/layerscape/patches-5.4/701-net-0052-sdk_dpaa-ceetm-remove-tc-class-reference-counting.patch b/target/linux/layerscape/patches-5.4/701-net-0052-sdk_dpaa-ceetm-remove-tc-class-reference-counting.patch
new file mode 100644
index 0000000..473720b
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0052-sdk_dpaa-ceetm-remove-tc-class-reference-counting.patch
@@ -0,0 +1,106 @@
+From 024d664114310fe103c2c31f2253bed58238951d Mon Sep 17 00:00:00 2001
+From: Camelia Groza <camelia.groza@nxp.com>
+Date: Wed, 17 Jan 2018 16:47:07 +0200
+Subject: [PATCH] sdk_dpaa: ceetm: remove tc class reference counting
+
+Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
+---
+ .../ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c | 38 +++-------------------
+ .../ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h | 1 -
+ 2 files changed, 4 insertions(+), 35 deletions(-)
+
+--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
+@@ -774,7 +774,6 @@ static int ceetm_init_prio(struct Qdisc
+ }
+
+ child_cl->common.classid = TC_H_MAKE(sch->handle, (i + 1));
+- child_cl->refcnt = 1;
+ child_cl->parent = sch;
+ child_cl->type = CEETM_PRIO;
+ child_cl->shaped = priv->shaped;
+@@ -986,7 +985,6 @@ static int ceetm_init_wbfs(struct Qdisc
+ }
+
+ child_cl->common.classid = TC_H_MAKE(sch->handle, (i + 1));
+- child_cl->refcnt = 1;
+ child_cl->parent = sch;
+ child_cl->type = CEETM_WBFS;
+ child_cl->shaped = priv->shaped;
+@@ -1297,29 +1295,9 @@ static void ceetm_attach(struct Qdisc *s
+ }
+ }
+
+-static unsigned long ceetm_cls_get(struct Qdisc *sch, u32 classid)
++static unsigned long ceetm_cls_search(struct Qdisc *sch, u32 handle)
+ {
+- struct ceetm_class *cl;
+-
+- pr_debug(KBUILD_BASENAME " : %s : classid %X from qdisc %X\n",
+- __func__, classid, sch->handle);
+- cl = ceetm_find(classid, sch);
+-
+- if (cl)
+- cl->refcnt++; /* Will decrement in put() */
+- return (unsigned long)cl;
+-}
+-
+-static void ceetm_cls_put(struct Qdisc *sch, unsigned long arg)
+-{
+- struct ceetm_class *cl = (struct ceetm_class *)arg;
+-
+- pr_debug(KBUILD_BASENAME " : %s : classid %X from qdisc %X\n",
+- __func__, cl->common.classid, sch->handle);
+- cl->refcnt--;
+-
+- if (cl->refcnt == 0)
+- ceetm_cls_destroy(sch, cl);
++ return (unsigned long)ceetm_find(handle, sch);
+ }
+
+ static int ceetm_cls_change_root(struct ceetm_class *cl,
+@@ -1540,7 +1518,6 @@ static int ceetm_cls_change(struct Qdisc
+ cl->root.tbl = copt->tbl;
+
+ cl->common.classid = classid;
+- cl->refcnt = 1;
+ cl->parent = sch;
+ cl->root.child = NULL;
+ cl->root.wbfs_grp_a = false;
+@@ -1696,15 +1673,9 @@ static int ceetm_cls_delete(struct Qdisc
+
+ sch_tree_lock(sch);
+ qdisc_class_hash_remove(&priv->clhash, &cl->common);
+- cl->refcnt--;
+-
+- /* The refcnt should be at least 1 since we have incremented it in
+- * get(). Will decrement again in put() where we will call destroy()
+- * to actually free the memory if it reaches 0.
+- */
+- WARN_ON(cl->refcnt == 0);
+
+ sch_tree_unlock(sch);
++ ceetm_cls_destroy(sch, cl);
+ return 0;
+ }
+
+@@ -1824,8 +1795,7 @@ static void ceetm_tcf_unbind(struct Qdis
+ const struct Qdisc_class_ops ceetm_cls_ops = {
+ .graft = ceetm_cls_graft,
+ .leaf = ceetm_cls_leaf,
+- .get = ceetm_cls_get,
+- .put = ceetm_cls_put,
++ .find = ceetm_cls_search,
+ .change = ceetm_cls_change,
+ .delete = ceetm_cls_delete,
+ .walk = ceetm_cls_walk,
+--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h
++++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h
+@@ -191,7 +191,6 @@ struct wbfs_c {
+
+ struct ceetm_class {
+ struct Qdisc_class_common common;
+- int refcnt; /* usage count of this class */
+ struct tcf_proto *filter_list; /* class attached filters */
+ struct tcf_block *block;
+ struct Qdisc *parent;