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flow_offload: add reoffload process to update hw_count

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Add reoffload process to update hw_count when driver
is inserted or removed.

We will delete the action if it is with skip_sw flag and
not offloaded to any hardware in reoffload process.

When reoffloading actions, we still offload the actions
that are added independent of filters.

Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Baowen Zheng
2021-12-17 19:16:27 +01:00
committed by David S. Miller
parent e8cb5bcf6e
commit 13926d19a1
3 changed files with 250 additions and 17 deletions
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4
net/core/flow_offload.c
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@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/kernel.h>
#include <linux/slab.h>
#include <net/act_api.h>
#include <net/flow_offload.h>
#include <linux/rtnetlink.h>
#include <linux/mutex.h>
@@ -417,6 +418,8 @@ int flow_indr_dev_register(flow_indr_block_bind_cb_t *cb, void *cb_priv)
existing_qdiscs_register(cb, cb_priv);
mutex_unlock(&flow_indr_block_lock);
tcf_action_reoffload_cb(cb, cb_priv, true);
return 0;
}
EXPORT_SYMBOL(flow_indr_dev_register);
@@ -469,6 +472,7 @@ void flow_indr_dev_unregister(flow_indr_block_bind_cb_t *cb, void *cb_priv,
__flow_block_indr_cleanup(release, cb_priv, &cleanup_list);
mutex_unlock(&flow_indr_block_lock);
tcf_action_reoffload_cb(cb, cb_priv, false);
flow_block_indr_notify(&cleanup_list);
kfree(indr_dev);
}