timestamping.c (62ab0812137ec4f9884dd7de346238841ac03283) timestamping.c (a19faf0250e09b16cac169354126404bc8aa342b)
1/*
2 * PTP 1588 clock support - support for timestamping in PHY devices
3 *
4 * Copyright (C) 2010 OMICRON electronics GmbH
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or

--- 12 unchanged lines hidden (view full) ---

21#include <linux/phy.h>
22#include <linux/ptp_classify.h>
23#include <linux/skbuff.h>
24
25static struct sock_filter ptp_filter[] = {
26 PTP_FILTER
27};
28
1/*
2 * PTP 1588 clock support - support for timestamping in PHY devices
3 *
4 * Copyright (C) 2010 OMICRON electronics GmbH
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or

--- 12 unchanged lines hidden (view full) ---

21#include <linux/phy.h>
22#include <linux/ptp_classify.h>
23#include <linux/skbuff.h>
24
25static struct sock_filter ptp_filter[] = {
26 PTP_FILTER
27};
28
29static unsigned int classify(const struct sk_buff *skb)
29static unsigned int classify(struct sk_buff *skb)
30{
31 if (likely(skb->dev &&
32 skb->dev->phydev &&
33 skb->dev->phydev->drv))
30{
31 if (likely(skb->dev &&
32 skb->dev->phydev &&
33 skb->dev->phydev->drv))
34 return sk_run_filter(skb, ptp_filter);
34 return sk_run_filter(skb, ptp_filter, ARRAY_SIZE(ptp_filter));
35 else
36 return PTP_CLASS_NONE;
37}
38
39void skb_clone_tx_timestamp(struct sk_buff *skb)
40{
41 struct phy_device *phydev;
42 struct sk_buff *clone;

--- 48 unchanged lines hidden (view full) ---

91}
92EXPORT_SYMBOL_GPL(skb_complete_tx_timestamp);
93
94bool skb_defer_rx_timestamp(struct sk_buff *skb)
95{
96 struct phy_device *phydev;
97 unsigned int type;
98
35 else
36 return PTP_CLASS_NONE;
37}
38
39void skb_clone_tx_timestamp(struct sk_buff *skb)
40{
41 struct phy_device *phydev;
42 struct sk_buff *clone;

--- 48 unchanged lines hidden (view full) ---

91}
92EXPORT_SYMBOL_GPL(skb_complete_tx_timestamp);
93
94bool skb_defer_rx_timestamp(struct sk_buff *skb)
95{
96 struct phy_device *phydev;
97 unsigned int type;
98
99 skb_push(skb, ETH_HLEN);
99 if (skb_headroom(skb) < ETH_HLEN)
100 return false;
101 __skb_push(skb, ETH_HLEN);
100
101 type = classify(skb);
102
102
103 type = classify(skb);
104
103 skb_pull(skb, ETH_HLEN);
105 __skb_pull(skb, ETH_HLEN);
104
105 switch (type) {
106 case PTP_CLASS_V1_IPV4:
107 case PTP_CLASS_V1_IPV6:
108 case PTP_CLASS_V2_IPV4:
109 case PTP_CLASS_V2_IPV6:
110 case PTP_CLASS_V2_L2:
111 case PTP_CLASS_V2_VLAN:

--- 15 unchanged lines hidden --- 		106
107 switch (type) {
108 case PTP_CLASS_V1_IPV4:
109 case PTP_CLASS_V1_IPV6:
110 case PTP_CLASS_V2_IPV4:
111 case PTP_CLASS_V2_IPV6:
112 case PTP_CLASS_V2_L2:
113 case PTP_CLASS_V2_VLAN:

--- 15 unchanged lines hidden ---