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It would be nice if tagging protocol drivers could include just the header they need, since they are (mostly) data path and isolated from most of the other DSA core code does. Create a tag.c and a tag.h file which are meant to support tagging protocol drivers. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
30 lines
795 B
C
30 lines
795 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* net/dsa/tag_none.c - Traffic handling for switches with no tag
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* Copyright (c) 2008-2009 Marvell Semiconductor
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* Copyright (c) 2013 Florian Fainelli <florian@openwrt.org>
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*
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* WARNING: do not use this for new switches. In case of no hardware
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* tagging support, look at tag_8021q.c instead.
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*/
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#include "tag.h"
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#define NONE_NAME "none"
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static struct sk_buff *dsa_slave_notag_xmit(struct sk_buff *skb,
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struct net_device *dev)
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{
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/* Just return the original SKB */
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return skb;
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}
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static const struct dsa_device_ops none_ops = {
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.name = NONE_NAME,
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.proto = DSA_TAG_PROTO_NONE,
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.xmit = dsa_slave_notag_xmit,
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};
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module_dsa_tag_driver(none_ops);
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MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_NONE, NONE_NAME);
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MODULE_LICENSE("GPL");
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