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396138f03f
This adds support for the Trailer switch tagging format. This is another tagging that doesn't explicitly mark tagged packets with a distinct ethertype, so that we need to add a similar hack in the receive path as for the Original DSA tagging format. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Tested-by: Byron Bradley <byron.bbradley@gmail.com> Tested-by: Tim Ellis <tim.ellis@mac.com> Signed-off-by: David S. Miller <davem@davemloft.net>
38 lines
967 B
C
38 lines
967 B
C
/*
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* include/net/dsa.h - Driver for Distributed Switch Architecture switch chips
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* Copyright (c) 2008 Marvell Semiconductor
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __LINUX_NET_DSA_H
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#define __LINUX_NET_DSA_H
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#define DSA_MAX_PORTS 12
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struct dsa_platform_data {
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/*
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* Reference to a Linux network interface that connects
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* to the switch chip.
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*/
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struct device *netdev;
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/*
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* How to access the switch configuration registers, and
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* the names of the switch ports (use "cpu" to designate
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* the switch port that the cpu is connected to).
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*/
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struct device *mii_bus;
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int sw_addr;
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char *port_names[DSA_MAX_PORTS];
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};
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extern bool dsa_uses_dsa_tags(void *dsa_ptr);
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extern bool dsa_uses_trailer_tags(void *dsa_ptr);
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#endif
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