can: rx-offload: rename rx_offload_get_echo_skb() -> can_rx_offload_get_echo_skb_queu...

Rename the rx_offload_get_echo_skb() function to
can_rx_offload_get_echo_skb_queue_timestamp(), since it inserts the
echo skb into the rx-offload queue sorted by timestamp.

This is a preparation for adding
can_rx_offload_get_echo_skb_queue_tail(), which adds the echo skb to
the end of the queue. This is intended for devices that do not support
timestamps.

Link: https://lore.kernel.org/all/20230718-gs_usb-rx-offload-v2-1-716e542d14d5@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/dev/rx-offload.c b/drivers/net/can/dev/rx-offload.c
index 161e45a..6e87ad9 100644 (file)
--- a/drivers/net/can/dev/rx-offload.c
+++ b/drivers/net/can/dev/rx-offload.c
@@ -240,9 +240,10 @@ int can_rx_offload_queue_timestamp(struct can_rx_offload *offload,
 }
 EXPORT_SYMBOL_GPL(can_rx_offload_queue_timestamp);
 
-unsigned int can_rx_offload_get_echo_skb(struct can_rx_offload *offload,
-                                        unsigned int idx, u32 timestamp,
-                                        unsigned int *frame_len_ptr)
+unsigned int
+can_rx_offload_get_echo_skb_queue_timestamp(struct can_rx_offload *offload,
+                                           unsigned int idx, u32 timestamp,
+                                           unsigned int *frame_len_ptr)
 {
        struct net_device *dev = offload->dev;
        struct net_device_stats *stats = &dev->stats;
@@ -262,7 +263,7 @@ unsigned int can_rx_offload_get_echo_skb(struct can_rx_offload *offload,
 
        return len;
 }
-EXPORT_SYMBOL_GPL(can_rx_offload_get_echo_skb);
+EXPORT_SYMBOL_GPL(can_rx_offload_get_echo_skb_queue_timestamp);
 
 int can_rx_offload_queue_tail(struct can_rx_offload *offload,
                              struct sk_buff *skb)

diff --git a/drivers/net/can/flexcan/flexcan-core.c b/drivers/net/can/flexcan/flexcan-core.c
index ff0fc18..48273d5 100644 (file)
--- a/drivers/net/can/flexcan/flexcan-core.c
+++ b/drivers/net/can/flexcan/flexcan-core.c
@@ -1097,8 +1097,8 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id)
 
                handled = IRQ_HANDLED;
                stats->tx_bytes +=
-                       can_rx_offload_get_echo_skb(&priv->offload, 0,
-                                                   reg_ctrl << 16, NULL);
+                       can_rx_offload_get_echo_skb_queue_timestamp(&priv->offload, 0,
+                                                                   reg_ctrl << 16, NULL);
                stats->tx_packets++;
 
                /* after sending a RTR frame MB is in RX mode */

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index a6263a6..d204703 100644 (file)
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1016,10 +1016,10 @@ static void m_can_tx_update_stats(struct m_can_classdev *cdev,
 
        if (cdev->is_peripheral)
                stats->tx_bytes +=
-                       can_rx_offload_get_echo_skb(&cdev->offload,
-                                                   msg_mark,
-                                                   timestamp,
-                                                   NULL);
+                       can_rx_offload_get_echo_skb_queue_timestamp(&cdev->offload,
+                                                                   msg_mark,
+                                                                   timestamp,
+                                                                   NULL);
        else
                stats->tx_bytes += can_get_echo_skb(dev, msg_mark, NULL);
 

diff --git a/drivers/net/can/spi/mcp251xfd/mcp251xfd-tef.c b/drivers/net/can/spi/mcp251xfd/mcp251xfd-tef.c
index 237617b..e5bd57b 100644 (file)
--- a/drivers/net/can/spi/mcp251xfd/mcp251xfd-tef.c
+++ b/drivers/net/can/spi/mcp251xfd/mcp251xfd-tef.c
@@ -111,9 +111,9 @@ mcp251xfd_handle_tefif_one(struct mcp251xfd_priv *priv,
        if (skb)
                mcp251xfd_skb_set_timestamp(priv, skb, hw_tef_obj->ts);
        stats->tx_bytes +=
-               can_rx_offload_get_echo_skb(&priv->offload,
-                                           tef_tail, hw_tef_obj->ts,
-                                           frame_len_ptr);
+               can_rx_offload_get_echo_skb_queue_timestamp(&priv->offload,
+                                                           tef_tail, hw_tef_obj->ts,
+                                                           frame_len_ptr);
        stats->tx_packets++;
        priv->tef->tail++;
 

diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index a8243ac..5aab440 100644 (file)
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -747,8 +747,8 @@ static irqreturn_t ti_hecc_interrupt(int irq, void *dev_id)
                        spin_unlock_irqrestore(&priv->mbx_lock, flags);
                        stamp = hecc_read_stamp(priv, mbxno);
                        stats->tx_bytes +=
-                               can_rx_offload_get_echo_skb(&priv->offload,
-                                                           mbxno, stamp, NULL);
+                               can_rx_offload_get_echo_skb_queue_timestamp(&priv->offload,
+                                                                           mbxno, stamp, NULL);
                        stats->tx_packets++;
                        --priv->tx_tail;
                }

diff --git a/include/linux/can/rx-offload.h b/include/linux/can/rx-offload.h
index c205c51..e3b4199 100644 (file)
--- a/include/linux/can/rx-offload.h
+++ b/include/linux/can/rx-offload.h
@@ -44,9 +44,9 @@ int can_rx_offload_irq_offload_timestamp(struct can_rx_offload *offload,
 int can_rx_offload_irq_offload_fifo(struct can_rx_offload *offload);
 int can_rx_offload_queue_timestamp(struct can_rx_offload *offload,
                                   struct sk_buff *skb, u32 timestamp);
-unsigned int can_rx_offload_get_echo_skb(struct can_rx_offload *offload,
-                                        unsigned int idx, u32 timestamp,
-                                        unsigned int *frame_len_ptr);
+unsigned int can_rx_offload_get_echo_skb_queue_timestamp(struct can_rx_offload *offload,
+                                                        unsigned int idx, u32 timestamp,
+                                                        unsigned int *frame_len_ptr);
 int can_rx_offload_queue_tail(struct can_rx_offload *offload,
                              struct sk_buff *skb);
 void can_rx_offload_irq_finish(struct can_rx_offload *offload);