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-rw-r--r--include/linux/dsa/8021q.h44
-rw-r--r--include/linux/dsa/mv88e6xxx.h13
-rw-r--r--include/linux/dsa/ocelot.h51
-rw-r--r--include/linux/dsa/sja1105.h36
4 files changed, 99 insertions, 45 deletions
diff --git a/include/linux/dsa/8021q.h b/include/linux/dsa/8021q.h
index 1587961f1a7b..c7fa4a3498fe 100644
--- a/include/linux/dsa/8021q.h
+++ b/include/linux/dsa/8021q.h
@@ -11,60 +11,48 @@
struct dsa_switch;
struct sk_buff;
struct net_device;
-struct packet_type;
-struct dsa_8021q_context;
-struct dsa_8021q_crosschip_link {
+struct dsa_tag_8021q_vlan {
struct list_head list;
int port;
- struct dsa_8021q_context *other_ctx;
- int other_port;
+ u16 vid;
refcount_t refcount;
};
-struct dsa_8021q_ops {
- int (*vlan_add)(struct dsa_switch *ds, int port, u16 vid, u16 flags);
- int (*vlan_del)(struct dsa_switch *ds, int port, u16 vid);
-};
-
struct dsa_8021q_context {
- const struct dsa_8021q_ops *ops;
struct dsa_switch *ds;
- struct list_head crosschip_links;
+ struct list_head vlans;
/* EtherType of RX VID, used for filtering on master interface */
__be16 proto;
};
-#define DSA_8021Q_N_SUBVLAN 8
-
-int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled);
+int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto);
-int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port,
- struct dsa_8021q_context *other_ctx,
- int other_port);
-
-int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port,
- struct dsa_8021q_context *other_ctx,
- int other_port);
+void dsa_tag_8021q_unregister(struct dsa_switch *ds);
struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev,
u16 tpid, u16 tci);
-void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id,
- int *subvlan);
+void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id);
+
+int dsa_tag_8021q_bridge_tx_fwd_offload(struct dsa_switch *ds, int port,
+ struct net_device *br,
+ int bridge_num);
+
+void dsa_tag_8021q_bridge_tx_fwd_unoffload(struct dsa_switch *ds, int port,
+ struct net_device *br,
+ int bridge_num);
+
+u16 dsa_8021q_bridge_tx_fwd_offload_vid(int bridge_num);
u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port);
u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port);
-u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan);
-
int dsa_8021q_rx_switch_id(u16 vid);
int dsa_8021q_rx_source_port(u16 vid);
-u16 dsa_8021q_rx_subvlan(u16 vid);
-
bool vid_is_dsa_8021q_rxvlan(u16 vid);
bool vid_is_dsa_8021q_txvlan(u16 vid);
diff --git a/include/linux/dsa/mv88e6xxx.h b/include/linux/dsa/mv88e6xxx.h
new file mode 100644
index 000000000000..8c3d45eca46b
--- /dev/null
+++ b/include/linux/dsa/mv88e6xxx.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0
+ * Copyright 2021 NXP
+ */
+
+#ifndef _NET_DSA_TAG_MV88E6XXX_H
+#define _NET_DSA_TAG_MV88E6XXX_H
+
+#include <linux/if_vlan.h>
+
+#define MV88E6XXX_VID_STANDALONE 0
+#define MV88E6XXX_VID_BRIDGED (VLAN_N_VID - 1)
+
+#endif
diff --git a/include/linux/dsa/ocelot.h b/include/linux/dsa/ocelot.h
index c6bc45ae5e03..8ae999f587c4 100644
--- a/include/linux/dsa/ocelot.h
+++ b/include/linux/dsa/ocelot.h
@@ -1,11 +1,32 @@
/* SPDX-License-Identifier: GPL-2.0
- * Copyright 2019-2021 NXP Semiconductors
+ * Copyright 2019-2021 NXP
*/
#ifndef _NET_DSA_TAG_OCELOT_H
#define _NET_DSA_TAG_OCELOT_H
+#include <linux/kthread.h>
#include <linux/packing.h>
+#include <linux/skbuff.h>
+
+struct ocelot_skb_cb {
+ struct sk_buff *clone;
+ unsigned int ptp_class; /* valid only for clones */
+ u8 ptp_cmd;
+ u8 ts_id;
+};
+
+#define OCELOT_SKB_CB(skb) \
+ ((struct ocelot_skb_cb *)((skb)->cb))
+
+#define IFH_TAG_TYPE_C 0
+#define IFH_TAG_TYPE_S 1
+
+#define IFH_REW_OP_NOOP 0x0
+#define IFH_REW_OP_DSCP 0x1
+#define IFH_REW_OP_ONE_STEP_PTP 0x2
+#define IFH_REW_OP_TWO_STEP_PTP 0x3
+#define IFH_REW_OP_ORIGIN_PTP 0x5
#define OCELOT_TAG_LEN 16
#define OCELOT_SHORT_PREFIX_LEN 4
@@ -140,6 +161,17 @@
* +------+------+------+------+------+------+------+------+
*/
+struct felix_deferred_xmit_work {
+ struct dsa_port *dp;
+ struct sk_buff *skb;
+ struct kthread_work work;
+};
+
+struct felix_port {
+ void (*xmit_work_fn)(struct kthread_work *work);
+ struct kthread_worker *xmit_worker;
+};
+
static inline void ocelot_xfh_get_rew_val(void *extraction, u64 *rew_val)
{
packing(extraction, rew_val, 116, 85, OCELOT_TAG_LEN, UNPACK, 0);
@@ -215,4 +247,21 @@ static inline void ocelot_ifh_set_vid(void *injection, u64 vid)
packing(injection, &vid, 11, 0, OCELOT_TAG_LEN, PACK, 0);
}
+/* Determine the PTP REW_OP to use for injecting the given skb */
+static inline u32 ocelot_ptp_rew_op(struct sk_buff *skb)
+{
+ struct sk_buff *clone = OCELOT_SKB_CB(skb)->clone;
+ u8 ptp_cmd = OCELOT_SKB_CB(skb)->ptp_cmd;
+ u32 rew_op = 0;
+
+ if (ptp_cmd == IFH_REW_OP_TWO_STEP_PTP && clone) {
+ rew_op = ptp_cmd;
+ rew_op |= OCELOT_SKB_CB(clone)->ts_id << 3;
+ } else if (ptp_cmd == IFH_REW_OP_ORIGIN_PTP) {
+ rew_op = ptp_cmd;
+ }
+
+ return rew_op;
+}
+
#endif
diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h
index b6089b88314c..9e07079528a5 100644
--- a/include/linux/dsa/sja1105.h
+++ b/include/linux/dsa/sja1105.h
@@ -16,6 +16,8 @@
#define ETH_P_SJA1105_META 0x0008
#define ETH_P_SJA1110 0xdadc
+#define SJA1105_DEFAULT_VLAN (VLAN_N_VID - 1)
+
/* 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
@@ -46,6 +48,10 @@ struct sja1105_tagger_data {
spinlock_t meta_lock;
unsigned long state;
u8 ts_id;
+ /* Used on SJA1110 where meta frames are generated only for
+ * 2-step TX timestamps
+ */
+ struct sk_buff_head skb_txtstamp_queue;
};
struct sja1105_skb_cb {
@@ -59,34 +65,32 @@ struct sja1105_skb_cb {
((struct sja1105_skb_cb *)((skb)->cb))
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;
};
-enum sja1110_meta_tstamp {
- SJA1110_META_TSTAMP_TX = 0,
- SJA1110_META_TSTAMP_RX = 1,
-};
-
-#if IS_ENABLED(CONFIG_NET_DSA_SJA1105_PTP)
-
-void sja1110_process_meta_tstamp(struct dsa_switch *ds, int port, u8 ts_id,
- enum sja1110_meta_tstamp dir, u64 tstamp);
+/* Timestamps are in units of 8 ns clock ticks (equivalent to
+ * a fixed 125 MHz clock).
+ */
+#define SJA1105_TICK_NS 8
-#else
+static inline s64 ns_to_sja1105_ticks(s64 ns)
+{
+ return ns / SJA1105_TICK_NS;
+}
-static inline void sja1110_process_meta_tstamp(struct dsa_switch *ds, int port,
- u8 ts_id, enum sja1110_meta_tstamp dir,
- u64 tstamp)
+static inline s64 sja1105_ticks_to_ns(s64 ticks)
{
+ return ticks * SJA1105_TICK_NS;
}
-#endif /* IS_ENABLED(CONFIG_NET_DSA_SJA1105_PTP) */
+static inline bool dsa_port_is_sja1105(struct dsa_port *dp)
+{
+ return true;
+}
#endif /* _NET_DSA_SJA1105_H */
generated by cgit (git 2.34.1) at 2025-06-06 02:37:26 +0000