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Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0266-net-mscc-ocelot-convert-to-use-ocelot_get_txtstamp.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0266-net-mscc-ocelot-convert-to-use-ocelot_get_txtstamp.patch202
1 files changed, 0 insertions, 202 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0266-net-mscc-ocelot-convert-to-use-ocelot_get_txtstamp.patch b/target/linux/layerscape/patches-5.4/701-net-0266-net-mscc-ocelot-convert-to-use-ocelot_get_txtstamp.patch
deleted file mode 100644
index 31469bdb3c..0000000000
--- a/target/linux/layerscape/patches-5.4/701-net-0266-net-mscc-ocelot-convert-to-use-ocelot_get_txtstamp.patch
+++ /dev/null
@@ -1,202 +0,0 @@
-From dd8b8f6baf4917124ed268022f7ce4a08d35cc89 Mon Sep 17 00:00:00 2001
-From: Yangbo Lu <yangbo.lu@nxp.com>
-Date: Wed, 20 Nov 2019 16:23:15 +0800
-Subject: [PATCH] net: mscc: ocelot: convert to use ocelot_get_txtstamp()
-
-The method getting TX timestamp by reading timestamp FIFO and
-matching skbs list is common for DSA Felix driver too.
-So move code out of ocelot_board.c, convert to use
-ocelot_get_txtstamp() function and export it.
-
-Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
-Reviewed-by: Andrew Lunn <andrew@lunn.ch>
-Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
-Signed-off-by: David S. Miller <davem@davemloft.net>
----
- drivers/net/ethernet/mscc/ocelot.c | 62 ++++++++++++++++++++++++++++++--
- drivers/net/ethernet/mscc/ocelot.h | 6 ----
- drivers/net/ethernet/mscc/ocelot_board.c | 53 +--------------------------
- include/soc/mscc/ocelot.h | 9 ++++-
- 4 files changed, 69 insertions(+), 61 deletions(-)
-
---- a/drivers/net/ethernet/mscc/ocelot.c
-+++ b/drivers/net/ethernet/mscc/ocelot.c
-@@ -661,7 +661,8 @@ out:
- return NETDEV_TX_OK;
- }
-
--void ocelot_get_hwtimestamp(struct ocelot *ocelot, struct timespec64 *ts)
-+static void ocelot_get_hwtimestamp(struct ocelot *ocelot,
-+ struct timespec64 *ts)
- {
- unsigned long flags;
- u32 val;
-@@ -686,7 +687,64 @@ void ocelot_get_hwtimestamp(struct ocelo
-
- spin_unlock_irqrestore(&ocelot->ptp_clock_lock, flags);
- }
--EXPORT_SYMBOL(ocelot_get_hwtimestamp);
-+
-+void ocelot_get_txtstamp(struct ocelot *ocelot)
-+{
-+ int budget = OCELOT_PTP_QUEUE_SZ;
-+
-+ while (budget--) {
-+ struct skb_shared_hwtstamps shhwtstamps;
-+ struct list_head *pos, *tmp;
-+ struct sk_buff *skb = NULL;
-+ struct ocelot_skb *entry;
-+ struct ocelot_port *port;
-+ struct timespec64 ts;
-+ u32 val, id, txport;
-+
-+ val = ocelot_read(ocelot, SYS_PTP_STATUS);
-+
-+ /* Check if a timestamp can be retrieved */
-+ if (!(val & SYS_PTP_STATUS_PTP_MESS_VLD))
-+ break;
-+
-+ WARN_ON(val & SYS_PTP_STATUS_PTP_OVFL);
-+
-+ /* Retrieve the ts ID and Tx port */
-+ id = SYS_PTP_STATUS_PTP_MESS_ID_X(val);
-+ txport = SYS_PTP_STATUS_PTP_MESS_TXPORT_X(val);
-+
-+ /* Retrieve its associated skb */
-+ port = ocelot->ports[txport];
-+
-+ list_for_each_safe(pos, tmp, &port->skbs) {
-+ entry = list_entry(pos, struct ocelot_skb, head);
-+ if (entry->id != id)
-+ continue;
-+
-+ skb = entry->skb;
-+
-+ list_del(pos);
-+ kfree(entry);
-+ }
-+
-+ /* Next ts */
-+ ocelot_write(ocelot, SYS_PTP_NXT_PTP_NXT, SYS_PTP_NXT);
-+
-+ if (unlikely(!skb))
-+ continue;
-+
-+ /* Get the h/w timestamp */
-+ ocelot_get_hwtimestamp(ocelot, &ts);
-+
-+ /* Set the timestamp into the skb */
-+ memset(&shhwtstamps, 0, sizeof(shhwtstamps));
-+ shhwtstamps.hwtstamp = ktime_set(ts.tv_sec, ts.tv_nsec);
-+ skb_tstamp_tx(skb, &shhwtstamps);
-+
-+ dev_kfree_skb_any(skb);
-+ }
-+}
-+EXPORT_SYMBOL(ocelot_get_txtstamp);
-
- static int ocelot_mc_unsync(struct net_device *dev, const unsigned char *addr)
- {
---- a/drivers/net/ethernet/mscc/ocelot.h
-+++ b/drivers/net/ethernet/mscc/ocelot.h
-@@ -74,12 +74,6 @@ struct ocelot_port_private {
- struct ocelot_port_tc tc;
- };
-
--struct ocelot_skb {
-- struct list_head head;
-- struct sk_buff *skb;
-- u8 id;
--};
--
- u32 ocelot_port_readl(struct ocelot_port *port, u32 reg);
- void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg);
-
---- a/drivers/net/ethernet/mscc/ocelot_board.c
-+++ b/drivers/net/ethernet/mscc/ocelot_board.c
-@@ -198,60 +198,9 @@ static irqreturn_t ocelot_xtr_irq_handle
-
- static irqreturn_t ocelot_ptp_rdy_irq_handler(int irq, void *arg)
- {
-- int budget = OCELOT_PTP_QUEUE_SZ;
- struct ocelot *ocelot = arg;
-
-- while (budget--) {
-- struct skb_shared_hwtstamps shhwtstamps;
-- struct list_head *pos, *tmp;
-- struct sk_buff *skb = NULL;
-- struct ocelot_skb *entry;
-- struct ocelot_port *port;
-- struct timespec64 ts;
-- u32 val, id, txport;
--
-- val = ocelot_read(ocelot, SYS_PTP_STATUS);
--
-- /* Check if a timestamp can be retrieved */
-- if (!(val & SYS_PTP_STATUS_PTP_MESS_VLD))
-- break;
--
-- WARN_ON(val & SYS_PTP_STATUS_PTP_OVFL);
--
-- /* Retrieve the ts ID and Tx port */
-- id = SYS_PTP_STATUS_PTP_MESS_ID_X(val);
-- txport = SYS_PTP_STATUS_PTP_MESS_TXPORT_X(val);
--
-- /* Retrieve its associated skb */
-- port = ocelot->ports[txport];
--
-- list_for_each_safe(pos, tmp, &port->skbs) {
-- entry = list_entry(pos, struct ocelot_skb, head);
-- if (entry->id != id)
-- continue;
--
-- skb = entry->skb;
--
-- list_del(pos);
-- kfree(entry);
-- }
--
-- /* Next ts */
-- ocelot_write(ocelot, SYS_PTP_NXT_PTP_NXT, SYS_PTP_NXT);
--
-- if (unlikely(!skb))
-- continue;
--
-- /* Get the h/w timestamp */
-- ocelot_get_hwtimestamp(ocelot, &ts);
--
-- /* Set the timestamp into the skb */
-- memset(&shhwtstamps, 0, sizeof(shhwtstamps));
-- shhwtstamps.hwtstamp = ktime_set(ts.tv_sec, ts.tv_nsec);
-- skb_tstamp_tx(skb, &shhwtstamps);
--
-- dev_kfree_skb_any(skb);
-- }
-+ ocelot_get_txtstamp(ocelot);
-
- return IRQ_HANDLED;
- }
---- a/include/soc/mscc/ocelot.h
-+++ b/include/soc/mscc/ocelot.h
-@@ -406,6 +406,13 @@ struct ocelot_ops {
- int (*reset)(struct ocelot *ocelot);
- };
-
-+struct ocelot_skb {
-+ struct list_head head;
-+ struct sk_buff *skb;
-+ u8 id;
-+};
-+
-+
- struct ocelot_port {
- struct ocelot *ocelot;
-
-@@ -536,6 +543,6 @@ int ocelot_vlan_del(struct ocelot *ocelo
- int ocelot_hwstamp_get(struct ocelot *ocelot, int port, struct ifreq *ifr);
- int ocelot_hwstamp_set(struct ocelot *ocelot, int port, struct ifreq *ifr);
- int ocelot_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts);
--void ocelot_get_hwtimestamp(struct ocelot *ocelot, struct timespec64 *ts);
-+void ocelot_get_txtstamp(struct ocelot *ocelot);
-
- #endif
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