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-rw-r--r--drivers/net/dsa/sja1105/sja1105_ptp.c45
-rw-r--r--drivers/net/dsa/sja1105/sja1105_ptp.h19
-rw-r--r--include/linux/dsa/sja1105.h29
-rw-r--r--net/dsa/tag_sja1105.c43
4 files changed, 63 insertions, 73 deletions
diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.c b/drivers/net/dsa/sja1105/sja1105_ptp.c
index 691f6dd7e669..54396992a919 100644
--- a/drivers/net/dsa/sja1105/sja1105_ptp.c
+++ b/drivers/net/dsa/sja1105/sja1105_ptp.c
@@ -64,6 +64,7 @@ enum sja1105_ptp_clk_mode {
static int sja1105_change_rxtstamping(struct sja1105_private *priv,
bool on)
{
+ struct sja1105_tagger_data *tagger_data = &priv->tagger_data;
struct sja1105_ptp_data *ptp_data = &priv->ptp_data;
struct sja1105_general_params_entry *general_params;
struct sja1105_table *table;
@@ -79,7 +80,7 @@ static int sja1105_change_rxtstamping(struct sja1105_private *priv,
priv->tagger_data.stampable_skb = NULL;
}
ptp_cancel_worker_sync(ptp_data->clock);
- skb_queue_purge(&ptp_data->skb_txtstamp_queue);
+ skb_queue_purge(&tagger_data->skb_txtstamp_queue);
skb_queue_purge(&ptp_data->skb_rxtstamp_queue);
return sja1105_static_config_reload(priv, SJA1105_RX_HWTSTAMPING);
@@ -452,40 +453,6 @@ bool sja1105_port_rxtstamp(struct dsa_switch *ds, int port,
return priv->info->rxtstamp(ds, port, skb);
}
-void sja1110_process_meta_tstamp(struct dsa_switch *ds, int port, u8 ts_id,
- enum sja1110_meta_tstamp dir, u64 tstamp)
-{
- struct sja1105_private *priv = ds->priv;
- struct sja1105_ptp_data *ptp_data = &priv->ptp_data;
- struct sk_buff *skb, *skb_tmp, *skb_match = NULL;
- struct skb_shared_hwtstamps shwt = {0};
-
- /* We don't care about RX timestamps on the CPU port */
- if (dir == SJA1110_META_TSTAMP_RX)
- return;
-
- spin_lock(&ptp_data->skb_txtstamp_queue.lock);
-
- skb_queue_walk_safe(&ptp_data->skb_txtstamp_queue, skb, skb_tmp) {
- if (SJA1105_SKB_CB(skb)->ts_id != ts_id)
- continue;
-
- __skb_unlink(skb, &ptp_data->skb_txtstamp_queue);
- skb_match = skb;
-
- break;
- }
-
- spin_unlock(&ptp_data->skb_txtstamp_queue.lock);
-
- if (WARN_ON(!skb_match))
- return;
-
- shwt.hwtstamp = ns_to_ktime(sja1105_ticks_to_ns(tstamp));
- skb_complete_tx_timestamp(skb_match, &shwt);
-}
-EXPORT_SYMBOL_GPL(sja1110_process_meta_tstamp);
-
/* In addition to cloning the skb which is done by the common
* sja1105_port_txtstamp, we need to generate a timestamp ID and save the
* packet to the TX timestamping queue.
@@ -494,7 +461,6 @@ void sja1110_txtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb)
{
struct sk_buff *clone = SJA1105_SKB_CB(skb)->clone;
struct sja1105_private *priv = ds->priv;
- struct sja1105_ptp_data *ptp_data = &priv->ptp_data;
struct sja1105_port *sp = &priv->ports[port];
u8 ts_id;
@@ -510,7 +476,7 @@ void sja1110_txtstamp(struct dsa_switch *ds, int port, struct sk_buff *skb)
spin_unlock(&sp->data->meta_lock);
- skb_queue_tail(&ptp_data->skb_txtstamp_queue, clone);
+ skb_queue_tail(&sp->data->skb_txtstamp_queue, clone);
}
/* Called from dsa_skb_tx_timestamp. This callback is just to clone
@@ -953,7 +919,7 @@ int sja1105_ptp_clock_register(struct dsa_switch *ds)
/* Only used on SJA1105 */
skb_queue_head_init(&ptp_data->skb_rxtstamp_queue);
/* Only used on SJA1110 */
- skb_queue_head_init(&ptp_data->skb_txtstamp_queue);
+ skb_queue_head_init(&tagger_data->skb_txtstamp_queue);
spin_lock_init(&tagger_data->meta_lock);
ptp_data->clock = ptp_clock_register(&ptp_data->caps, ds->dev);
@@ -971,6 +937,7 @@ int sja1105_ptp_clock_register(struct dsa_switch *ds)
void sja1105_ptp_clock_unregister(struct dsa_switch *ds)
{
struct sja1105_private *priv = ds->priv;
+ struct sja1105_tagger_data *tagger_data = &priv->tagger_data;
struct sja1105_ptp_data *ptp_data = &priv->ptp_data;
if (IS_ERR_OR_NULL(ptp_data->clock))
@@ -978,7 +945,7 @@ void sja1105_ptp_clock_unregister(struct dsa_switch *ds)
del_timer_sync(&ptp_data->extts_timer);
ptp_cancel_worker_sync(ptp_data->clock);
- skb_queue_purge(&ptp_data->skb_txtstamp_queue);
+ skb_queue_purge(&tagger_data->skb_txtstamp_queue);
skb_queue_purge(&ptp_data->skb_rxtstamp_queue);
ptp_clock_unregister(ptp_data->clock);
ptp_data->clock = NULL;
diff --git a/drivers/net/dsa/sja1105/sja1105_ptp.h b/drivers/net/dsa/sja1105/sja1105_ptp.h
index 3c874bb4c17b..3ae6b9fdd492 100644
--- a/drivers/net/dsa/sja1105/sja1105_ptp.h
+++ b/drivers/net/dsa/sja1105/sja1105_ptp.h
@@ -8,21 +8,6 @@
#if IS_ENABLED(CONFIG_NET_DSA_SJA1105_PTP)
-/* Timestamps are in units of 8 ns clock ticks (equivalent to
- * a fixed 125 MHz clock).
- */
-#define SJA1105_TICK_NS 8
-
-static inline s64 ns_to_sja1105_ticks(s64 ns)
-{
- return ns / SJA1105_TICK_NS;
-}
-
-static inline s64 sja1105_ticks_to_ns(s64 ticks)
-{
- return ticks * SJA1105_TICK_NS;
-}
-
/* Calculate the first base_time in the future that satisfies this
* relationship:
*
@@ -77,10 +62,6 @@ struct sja1105_ptp_data {
struct timer_list extts_timer;
/* Used only on SJA1105 to reconstruct partial timestamps */
struct sk_buff_head skb_rxtstamp_queue;
- /* Used on SJA1110 where meta frames are generated only for
- * 2-step TX timestamps
- */
- struct sk_buff_head skb_txtstamp_queue;
struct ptp_clock_info caps;
struct ptp_clock *clock;
struct sja1105_ptp_cmd cmd;
diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h
index 71b69ec52108..9d5a1053b276 100644
--- a/include/linux/dsa/sja1105.h
+++ b/include/linux/dsa/sja1105.h
@@ -48,6 +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 {
@@ -68,25 +72,20 @@ struct sja1105_port {
bool hwts_tx_en;
};
-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);
-
-#else
+/* Timestamps are in units of 8 ns clock ticks (equivalent to
+ * a fixed 125 MHz clock).
+ */
+#define SJA1105_TICK_NS 8
-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 ns_to_sja1105_ticks(s64 ns)
{
+ return ns / SJA1105_TICK_NS;
}
-#endif /* IS_ENABLED(CONFIG_NET_DSA_SJA1105_PTP) */
+static inline s64 sja1105_ticks_to_ns(s64 ticks)
+{
+ return ticks * SJA1105_TICK_NS;
+}
#if IS_ENABLED(CONFIG_NET_DSA_SJA1105)
diff --git a/net/dsa/tag_sja1105.c b/net/dsa/tag_sja1105.c
index c054f48541c8..2edede9ddac9 100644
--- a/net/dsa/tag_sja1105.c
+++ b/net/dsa/tag_sja1105.c
@@ -4,6 +4,7 @@
#include <linux/if_vlan.h>
#include <linux/dsa/sja1105.h>
#include <linux/dsa/8021q.h>
+#include <linux/skbuff.h>
#include <linux/packing.h>
#include "dsa_priv.h"
@@ -53,6 +54,11 @@
#define SJA1110_TX_TRAILER_LEN 4
#define SJA1110_MAX_PADDING_LEN 15
+enum sja1110_meta_tstamp {
+ SJA1110_META_TSTAMP_TX = 0,
+ SJA1110_META_TSTAMP_RX = 1,
+};
+
/* Similar to is_link_local_ether_addr(hdr->h_dest) but also covers PTP */
static inline bool sja1105_is_link_local(const struct sk_buff *skb)
{
@@ -520,6 +526,43 @@ static struct sk_buff *sja1105_rcv(struct sk_buff *skb,
is_meta);
}
+static void sja1110_process_meta_tstamp(struct dsa_switch *ds, int port,
+ u8 ts_id, enum sja1110_meta_tstamp dir,
+ u64 tstamp)
+{
+ struct sk_buff *skb, *skb_tmp, *skb_match = NULL;
+ struct dsa_port *dp = dsa_to_port(ds, port);
+ struct skb_shared_hwtstamps shwt = {0};
+ struct sja1105_port *sp = dp->priv;
+
+ if (!dsa_port_is_sja1105(dp))
+ return;
+
+ /* We don't care about RX timestamps on the CPU port */
+ if (dir == SJA1110_META_TSTAMP_RX)
+ return;
+
+ spin_lock(&sp->data->skb_txtstamp_queue.lock);
+
+ skb_queue_walk_safe(&sp->data->skb_txtstamp_queue, skb, skb_tmp) {
+ if (SJA1105_SKB_CB(skb)->ts_id != ts_id)
+ continue;
+
+ __skb_unlink(skb, &sp->data->skb_txtstamp_queue);
+ skb_match = skb;
+
+ break;
+ }
+
+ spin_unlock(&sp->data->skb_txtstamp_queue.lock);
+
+ if (WARN_ON(!skb_match))
+ return;
+
+ shwt.hwtstamp = ns_to_ktime(sja1105_ticks_to_ns(tstamp));
+ skb_complete_tx_timestamp(skb_match, &shwt);
+}
+
static struct sk_buff *sja1110_rcv_meta(struct sk_buff *skb, u16 rx_header)
{
u8 *buf = dsa_etype_header_pos_rx(skb) + SJA1110_HEADER_LEN;
generated by cgit (git 2.34.1) at 2024-06-18 09:46:15 +0000