xref: /linux-6.15/include/linux/dsa/sja1105.h (revision e8d4f892)
1 /* SPDX-License-Identifier: GPL-2.0
2  * Copyright (c) 2019, Vladimir Oltean <[email protected]>
3  */
4 
5 /* Included by drivers/net/dsa/sja1105/sja1105.h and net/dsa/tag_sja1105.c */
6 
7 #ifndef _NET_DSA_SJA1105_H
8 #define _NET_DSA_SJA1105_H
9 
10 #include <linux/skbuff.h>
11 #include <linux/etherdevice.h>
12 #include <net/dsa.h>
13 
14 #define ETH_P_SJA1105				ETH_P_DSA_8021Q
15 
16 /* IEEE 802.3 Annex 57A: Slow Protocols PDUs (01:80:C2:xx:xx:xx) */
17 #define SJA1105_LINKLOCAL_FILTER_A		0x0180C2000000ull
18 #define SJA1105_LINKLOCAL_FILTER_A_MASK		0xFFFFFF000000ull
19 /* IEEE 1588 Annex F: Transport of PTP over Ethernet (01:1B:19:xx:xx:xx) */
20 #define SJA1105_LINKLOCAL_FILTER_B		0x011B19000000ull
21 #define SJA1105_LINKLOCAL_FILTER_B_MASK		0xFFFFFF000000ull
22 
23 enum sja1105_frame_type {
24 	SJA1105_FRAME_TYPE_NORMAL = 0,
25 	SJA1105_FRAME_TYPE_LINK_LOCAL,
26 };
27 
28 struct sja1105_skb_cb {
29 	enum sja1105_frame_type type;
30 };
31 
32 #define SJA1105_SKB_CB(skb) \
33 	((struct sja1105_skb_cb *)DSA_SKB_CB_PRIV(skb))
34 
35 struct sja1105_port {
36 	struct dsa_port *dp;
37 	int mgmt_slot;
38 };
39 
40 #endif /* _NET_DSA_SJA1105_H */
41