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33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
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From 22e8b65ea4bf8a1fa757137bdcbdefe505fa4044 Mon Sep 17 00:00:00 2001
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From: John Crispin <john@phrozen.org>
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Date: Mon, 7 Aug 2017 16:35:43 +0200
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Subject: [PATCH 39/57] net-next: dsa: add flow_dissect callback to struct
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dsa_device_ops
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When the flow dissector first sees packets coming in on a DSA devices the
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802.3 header wont be located where the code expects it to be as the tag
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is still present. Adding this new callback allows a DSA device to provide a
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new function that the flow_disscetor can use to get the correct offsets
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for the protocol field and network header offset.
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Signed-off-by: John Crispin <john@phrozen.org>
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---
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include/net/dsa.h | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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--- a/include/net/dsa.h
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+++ b/include/net/dsa.h
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@@ -90,9 +90,11 @@ struct packet_type;
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struct dsa_device_ops {
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struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev);
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- int sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev,
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+ int (*rcv)(struct sk_buff *skb, struct net_device *dev,
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struct packet_type *pt,
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struct net_device *orig_dev);
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+ int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto,
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+ int *offset);
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};
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struct dsa_switch_tree {
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