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-rw-r--r--include/net/flow_offload.h19
-rw-r--r--net/core/flow_offload.c17
-rw-r--r--net/sched/cls_api.c3
3 files changed, 39 insertions, 0 deletions
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
index 45d74cb542cd..563d7dc7afc1 100644
--- a/include/net/flow_offload.h
+++ b/include/net/flow_offload.h
@@ -256,12 +256,16 @@ struct flow_block_offload {
enum flow_block_command command;
enum flow_block_binder_type binder_type;
struct tcf_block *block;
+ struct net *net;
+ struct list_head cb_list;
struct list_head *driver_block_list;
struct netlink_ext_ack *extack;
};
struct flow_block_cb {
+ struct list_head driver_list;
struct list_head list;
+ struct net *net;
tc_setup_cb_t *cb;
void *cb_ident;
void *cb_priv;
@@ -274,6 +278,21 @@ struct flow_block_cb *flow_block_cb_alloc(struct net *net, tc_setup_cb_t *cb,
void (*release)(void *cb_priv));
void flow_block_cb_free(struct flow_block_cb *block_cb);
+struct flow_block_cb *flow_block_cb_lookup(struct flow_block_offload *offload,
+ tc_setup_cb_t *cb, void *cb_ident);
+
+static inline void flow_block_cb_add(struct flow_block_cb *block_cb,
+ struct flow_block_offload *offload)
+{
+ list_add_tail(&block_cb->list, &offload->cb_list);
+}
+
+static inline void flow_block_cb_remove(struct flow_block_cb *block_cb,
+ struct flow_block_offload *offload)
+{
+ list_move(&block_cb->list, &offload->cb_list);
+}
+
int flow_block_cb_setup_simple(struct flow_block_offload *f,
struct list_head *driver_list, tc_setup_cb_t *cb,
void *cb_ident, void *cb_priv, bool ingress_only);
diff --git a/net/core/flow_offload.c b/net/core/flow_offload.c
index d08148cb6953..c81a7e0c5e04 100644
--- a/net/core/flow_offload.c
+++ b/net/core/flow_offload.c
@@ -176,6 +176,7 @@ struct flow_block_cb *flow_block_cb_alloc(struct net *net, tc_setup_cb_t *cb,
if (!block_cb)
return ERR_PTR(-ENOMEM);
+ block_cb->net = net;
block_cb->cb = cb;
block_cb->cb_ident = cb_ident;
block_cb->cb_priv = cb_priv;
@@ -194,6 +195,22 @@ void flow_block_cb_free(struct flow_block_cb *block_cb)
}
EXPORT_SYMBOL(flow_block_cb_free);
+struct flow_block_cb *flow_block_cb_lookup(struct flow_block_offload *f,
+ tc_setup_cb_t *cb, void *cb_ident)
+{
+ struct flow_block_cb *block_cb;
+
+ list_for_each_entry(block_cb, f->driver_block_list, driver_list) {
+ if (block_cb->net == f->net &&
+ block_cb->cb == cb &&
+ block_cb->cb_ident == cb_ident)
+ return block_cb;
+ }
+
+ return NULL;
+}
+EXPORT_SYMBOL(flow_block_cb_lookup);
+
int flow_block_cb_setup_simple(struct flow_block_offload *f,
struct list_head *driver_block_list,
tc_setup_cb_t *cb, void *cb_ident, void *cb_priv,
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 49b89c89a8b9..ccbd51bed88c 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -680,6 +680,7 @@ static void tc_indr_block_ing_cmd(struct tc_indr_block_dev *indr_dev,
struct tc_block_offload bo = {
.command = command,
.binder_type = FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS,
+ .net = dev_net(indr_dev->dev),
.block = indr_dev->block,
};
@@ -768,6 +769,7 @@ static void tc_indr_block_call(struct tcf_block *block, struct net_device *dev,
struct tc_block_offload bo = {
.command = command,
.binder_type = ei->binder_type,
+ .net = dev_net(dev),
.block = block,
.extack = extack,
};
@@ -796,6 +798,7 @@ static int tcf_block_offload_cmd(struct tcf_block *block,
{
struct tc_block_offload bo = {};
+ bo.net = dev_net(dev);
bo.command = command;
bo.binder_type = ei->binder_type;
bo.block = block;