slave.c (cfd12c06cdceac094aab3f097cce24c279bfd43b) slave.c (cf536ea3c7eefb26082836eb7f930b293dd38345)
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * net/dsa/slave.c - Slave device handling
4 * Copyright (c) 2008-2009 Marvell Semiconductor
5 */
6
7#include <linux/list.h>
8#include <linux/etherdevice.h>

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15#include <linux/mdio.h>
16#include <net/rtnetlink.h>
17#include <net/pkt_cls.h>
18#include <net/selftests.h>
19#include <net/tc_act/tc_mirred.h>
20#include <linux/if_bridge.h>
21#include <linux/if_hsr.h>
22#include <linux/netpoll.h>
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * net/dsa/slave.c - Slave device handling
4 * Copyright (c) 2008-2009 Marvell Semiconductor
5 */
6
7#include <linux/list.h>
8#include <linux/etherdevice.h>

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15#include <linux/mdio.h>
16#include <net/rtnetlink.h>
17#include <net/pkt_cls.h>
18#include <net/selftests.h>
19#include <net/tc_act/tc_mirred.h>
20#include <linux/if_bridge.h>
21#include <linux/if_hsr.h>
22#include <linux/netpoll.h>
23#include <linux/ptp_classify.h>
24
25#include "dsa_priv.h"
26
27/* slave mii_bus handling ***************************************************/
28static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg)
29{
30 struct dsa_switch *ds = bus->priv;
31

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552#endif
553}
554
555static void dsa_skb_tx_timestamp(struct dsa_slave_priv *p,
556 struct sk_buff *skb)
557{
558 struct dsa_switch *ds = p->dp->ds;
559 struct sk_buff *clone;
23
24#include "dsa_priv.h"
25
26/* slave mii_bus handling ***************************************************/
27static int dsa_slave_phy_read(struct mii_bus *bus, int addr, int reg)
28{
29 struct dsa_switch *ds = bus->priv;
30

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551#endif
552}
553
554static void dsa_skb_tx_timestamp(struct dsa_slave_priv *p,
555 struct sk_buff *skb)
556{
557 struct dsa_switch *ds = p->dp->ds;
558 struct sk_buff *clone;
560 unsigned int type;
561
562 if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
563 return;
564
559
560 if (!(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP))
561 return;
562
565 type = ptp_classify_raw(skb);
566 if (type == PTP_CLASS_NONE)
567 return;
568
569 if (!ds->ops->port_txtstamp)
570 return;
571
572 clone = skb_clone_sk(skb);
573 if (!clone)
574 return;
575
563 if (!ds->ops->port_txtstamp)
564 return;
565
566 clone = skb_clone_sk(skb);
567 if (!clone)
568 return;
569
576 if (ds->ops->port_txtstamp(ds, p->dp->index, clone, type)) {
570 if (ds->ops->port_txtstamp(ds, p->dp->index, clone)) {
577 DSA_SKB_CB(skb)->clone = clone;
578 return;
579 }
580
581 kfree_skb(clone);
582}
583
584netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev)

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627{
628 struct dsa_slave_priv *p = netdev_priv(dev);
629 struct sk_buff *nskb;
630
631 dev_sw_netstats_tx_add(dev, 1, skb->len);
632
633 DSA_SKB_CB(skb)->clone = NULL;
634
571 DSA_SKB_CB(skb)->clone = clone;
572 return;
573 }
574
575 kfree_skb(clone);
576}
577
578netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev)

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621{
622 struct dsa_slave_priv *p = netdev_priv(dev);
623 struct sk_buff *nskb;
624
625 dev_sw_netstats_tx_add(dev, 1, skb->len);
626
627 DSA_SKB_CB(skb)->clone = NULL;
628
635 /* Identify PTP protocol packets, clone them, and pass them to the
636 * switch driver
637 */
629 /* Handle tx timestamp if any */
638 dsa_skb_tx_timestamp(p, skb);
639
640 if (dsa_realloc_skb(skb, dev)) {
641 dev_kfree_skb_any(skb);
642 return NETDEV_TX_OK;
643 }
644
645 /* needed_tailroom should still be 'warm' in the cache line from

--- 1860 unchanged lines hidden --- 		630 dsa_skb_tx_timestamp(p, skb);
631
632 if (dsa_realloc_skb(skb, dev)) {
633 dev_kfree_skb_any(skb);
634 return NETDEV_TX_OK;
635 }
636
637 /* needed_tailroom should still be 'warm' in the cache line from

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