forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
2.0 KiB
67 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0 |
|
* Copyright (c) 2019, Vladimir Oltean <[email protected]> |
|
*/ |
|
|
|
/* 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 */
|
|
|