1 /* SPDX-License-Identifier: GPL-2.0
5 /* Included by drivers/net/dsa/sja1105/sja1105.h and net/dsa/tag_sja1105.c */
7 #ifndef _NET_DSA_SJA1105_H
8 #define _NET_DSA_SJA1105_H
10 #include <linux/skbuff.h>
11 #include <linux/etherdevice.h>
12 #include <linux/dsa/8021q.h>
15 #define ETH_P_SJA1105 ETH_P_DSA_8021Q
16 #define ETH_P_SJA1105_META 0x0008
18 /* IEEE 802.3 Annex 57A: Slow Protocols PDUs (01:80:C2:xx:xx:xx) */
19 #define SJA1105_LINKLOCAL_FILTER_A 0x0180C2000000ull
20 #define SJA1105_LINKLOCAL_FILTER_A_MASK 0xFFFFFF000000ull
21 /* IEEE 1588 Annex F: Transport of PTP over Ethernet (01:1B:19:xx:xx:xx) */
22 #define SJA1105_LINKLOCAL_FILTER_B 0x011B19000000ull
23 #define SJA1105_LINKLOCAL_FILTER_B_MASK 0xFFFFFF000000ull
25 /* Source and Destination MAC of follow-up meta frames.
26 * Whereas the choice of SMAC only affects the unique identification of the
27 * switch as sender of meta frames, the DMAC must be an address that is present
28 * in the DSA master port's multicast MAC filter.
29 * 01-80-C2-00-00-0E is a good choice for this, as all profiles of IEEE 1588
30 * over L2 use this address for some purpose already.
32 #define SJA1105_META_SMAC 0x222222222222ull
33 #define SJA1105_META_DMAC 0x0180C200000Eull
35 #define SJA1105_HWTS_RX_EN 0
37 /* Global tagger data: each struct sja1105_port has a reference to
38 * the structure defined in struct sja1105_private.
40 struct sja1105_tagger_data {
41 struct sk_buff *stampable_skb;
42 /* Protects concurrent access to the meta state machine
43 * from taggers running on multiple ports on SMP systems
49 struct sja1105_skb_cb {
53 #define SJA1105_SKB_CB(skb) \
54 ((struct sja1105_skb_cb *)DSA_SKB_CB_PRIV(skb))
57 u16 subvlan_map[DSA_8021Q_N_SUBVLAN];
58 struct kthread_worker *xmit_worker;
59 struct kthread_work xmit_work;
60 struct sk_buff_head xmit_queue;
61 struct sja1105_tagger_data *data;
67 #endif /* _NET_DSA_SJA1105_H */