68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0
|
|
* Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com>
|
|
*/
|
|
|
|
/* Included by drivers/net/dsa/sja1105/sja1105.h and net/dsa/tag_sja1105.c */
|
|
|
|
#ifndef _NET_DSA_SJA1105_H
|
|
#define _NET_DSA_SJA1105_H
|
|
|
|
#include <linux/skbuff.h>
|
|
#include <linux/etherdevice.h>
|
|
#include <linux/dsa/8021q.h>
|
|
#include <net/dsa.h>
|
|
|
|
#define ETH_P_SJA1105 ETH_P_DSA_8021Q
|
|
#define ETH_P_SJA1105_META 0x0008
|
|
|
|
/* IEEE 802.3 Annex 57A: Slow Protocols PDUs (01:80:C2:xx:xx:xx) */
|
|
#define SJA1105_LINKLOCAL_FILTER_A 0x0180C2000000ull
|
|
#define SJA1105_LINKLOCAL_FILTER_A_MASK 0xFFFFFF000000ull
|
|
/* IEEE 1588 Annex F: Transport of PTP over Ethernet (01:1B:19:xx:xx:xx) */
|
|
#define SJA1105_LINKLOCAL_FILTER_B 0x011B19000000ull
|
|
#define SJA1105_LINKLOCAL_FILTER_B_MASK 0xFFFFFF000000ull
|
|
|
|
/* Source and Destination MAC of follow-up meta frames.
|
|
* Whereas the choice of SMAC only affects the unique identification of the
|
|
* switch as sender of meta frames, the DMAC must be an address that is present
|
|
* in the DSA master port's multicast MAC filter.
|
|
* 01-80-C2-00-00-0E is a good choice for this, as all profiles of IEEE 1588
|
|
* over L2 use this address for some purpose already.
|
|
*/
|
|
#define SJA1105_META_SMAC 0x222222222222ull
|
|
#define SJA1105_META_DMAC 0x0180C200000Eull
|
|
|
|
#define SJA1105_HWTS_RX_EN 0
|
|
|
|
/* Global tagger data: each struct sja1105_port has a reference to
|
|
* the structure defined in struct sja1105_private.
|
|
*/
|
|
struct sja1105_tagger_data {
|
|
struct sk_buff *stampable_skb;
|
|
/* Protects concurrent access to the meta state machine
|
|
* from taggers running on multiple ports on SMP systems
|
|
*/
|
|
spinlock_t meta_lock;
|
|
unsigned long state;
|
|
};
|
|
|
|
struct sja1105_skb_cb {
|
|
u32 meta_tstamp;
|
|
};
|
|
|
|
#define SJA1105_SKB_CB(skb) \
|
|
((struct sja1105_skb_cb *)DSA_SKB_CB_PRIV(skb))
|
|
|
|
struct sja1105_port {
|
|
u16 subvlan_map[DSA_8021Q_N_SUBVLAN];
|
|
struct kthread_worker *xmit_worker;
|
|
struct kthread_work xmit_work;
|
|
struct sk_buff_head xmit_queue;
|
|
struct sja1105_tagger_data *data;
|
|
struct dsa_port *dp;
|
|
bool hwts_tx_en;
|
|
u16 xmit_tpid;
|
|
};
|
|
|
|
#endif /* _NET_DSA_SJA1105_H */
|