forked from mirrors/linux
6ca80638b9
Use more inclusive terms throughout the DSA subsystem by moving away from "master" which is replaced by "conduit" and "slave" which is replaced by "user". No functional changes. Acked-by: Rob Herring <robh@kernel.org> Acked-by: Stephen Hemminger <stephen@networkplumber.org> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com> Link: https://lore.kernel.org/r/20231023181729.1191071-2-florian.fainelli@broadcom.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0
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* Copyright (c) 2019, Vladimir Oltean <olteanv@gmail.com>
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*/
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/* Included by drivers/net/dsa/sja1105/sja1105.h and net/dsa/tag_sja1105.c */
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#ifndef _NET_DSA_SJA1105_H
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#define _NET_DSA_SJA1105_H
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#include <linux/skbuff.h>
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#include <linux/etherdevice.h>
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#include <linux/dsa/8021q.h>
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#include <net/dsa.h>
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#define ETH_P_SJA1105 ETH_P_DSA_8021Q
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#define ETH_P_SJA1105_META 0x0008
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#define ETH_P_SJA1110 0xdadc
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#define SJA1105_DEFAULT_VLAN (VLAN_N_VID - 1)
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/* IEEE 802.3 Annex 57A: Slow Protocols PDUs (01:80:C2:xx:xx:xx) */
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#define SJA1105_LINKLOCAL_FILTER_A 0x0180C2000000ull
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#define SJA1105_LINKLOCAL_FILTER_A_MASK 0xFFFFFF000000ull
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/* IEEE 1588 Annex F: Transport of PTP over Ethernet (01:1B:19:xx:xx:xx) */
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#define SJA1105_LINKLOCAL_FILTER_B 0x011B19000000ull
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#define SJA1105_LINKLOCAL_FILTER_B_MASK 0xFFFFFF000000ull
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/* Source and Destination MAC of follow-up meta frames.
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* Whereas the choice of SMAC only affects the unique identification of the
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* switch as sender of meta frames, the DMAC must be an address that is present
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* in the DSA conduit port's multicast MAC filter.
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* 01-80-C2-00-00-0E is a good choice for this, as all profiles of IEEE 1588
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* over L2 use this address for some purpose already.
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*/
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#define SJA1105_META_SMAC 0x222222222222ull
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#define SJA1105_META_DMAC 0x0180C200000Eull
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enum sja1110_meta_tstamp {
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SJA1110_META_TSTAMP_TX = 0,
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SJA1110_META_TSTAMP_RX = 1,
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};
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struct sja1105_deferred_xmit_work {
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struct dsa_port *dp;
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struct sk_buff *skb;
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struct kthread_work work;
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};
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/* Global tagger data */
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struct sja1105_tagger_data {
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void (*xmit_work_fn)(struct kthread_work *work);
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void (*meta_tstamp_handler)(struct dsa_switch *ds, int port, u8 ts_id,
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enum sja1110_meta_tstamp dir, u64 tstamp);
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};
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struct sja1105_skb_cb {
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struct sk_buff *clone;
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u64 tstamp;
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/* Only valid for packets cloned for 2-step TX timestamping */
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u8 ts_id;
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};
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#define SJA1105_SKB_CB(skb) \
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((struct sja1105_skb_cb *)((skb)->cb))
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static inline struct sja1105_tagger_data *
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sja1105_tagger_data(struct dsa_switch *ds)
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{
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BUG_ON(ds->dst->tag_ops->proto != DSA_TAG_PROTO_SJA1105 &&
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ds->dst->tag_ops->proto != DSA_TAG_PROTO_SJA1110);
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return ds->tagger_data;
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}
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#endif /* _NET_DSA_SJA1105_H */
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