From: Oliver Hartkopp <socketcan@hartkopp.net>
The can_skb_priv::frame_len variable is used to cache a previous
calculated CAN frame length to be passed to BQL queueing disciplines.
Move the can_skb_priv::frame_len content to can_skb_ext::can_framelen.
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
drivers/net/can/dev/skb.c | 27 ++++++++++++++++++++-------
1 file changed, 20 insertions(+), 7 deletions(-)
diff --git a/drivers/net/can/dev/skb.c b/drivers/net/can/dev/skb.c
index 470255fe7367..408ee49abce1 100644
--- a/drivers/net/can/dev/skb.c
+++ b/drivers/net/can/dev/skb.c
@@ -49,6 +49,7 @@ int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
unsigned int idx, unsigned int frame_len)
{
struct can_priv *priv = netdev_priv(dev);
+ struct can_skb_ext *csx;
if (idx >= priv->echo_skb_max) {
netdev_err(dev, "%s: BUG! Trying to access can_priv::echo_skb out of bounds (%u/max %u)\n",
@@ -75,7 +76,9 @@ int can_put_echo_skb(struct sk_buff *skb, struct net_device *dev,
skb->dev = dev;
/* save frame_len to reuse it when transmission is completed */
- can_skb_prv(skb)->frame_len = frame_len;
+ csx = can_skb_ext_find(skb);
+ if (csx)
+ csx->can_framelen = frame_len;
if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)
skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
@@ -112,7 +115,7 @@ __can_get_echo_skb(struct net_device *dev, unsigned int idx,
* length is supported on both CAN and CANFD frames.
*/
struct sk_buff *skb = priv->echo_skb[idx];
- struct can_skb_priv *can_skb_priv = can_skb_prv(skb);
+ struct can_skb_ext *csx;
if (skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS)
skb_tstamp_tx(skb, skb_hwtstamps(skb));
@@ -120,8 +123,13 @@ __can_get_echo_skb(struct net_device *dev, unsigned int idx,
/* get the real payload length for netdev statistics */
*len_ptr = can_skb_get_data_len(skb);
- if (frame_len_ptr)
- *frame_len_ptr = can_skb_priv->frame_len;
+ if (frame_len_ptr) {
+ csx = can_skb_ext_find(skb);
+ if (csx)
+ *frame_len_ptr = csx->can_framelen;
+ else
+ *frame_len_ptr = 0;
+ }
priv->echo_skb[idx] = NULL;
@@ -181,10 +189,15 @@ void can_free_echo_skb(struct net_device *dev, unsigned int idx,
if (priv->echo_skb[idx]) {
struct sk_buff *skb = priv->echo_skb[idx];
- struct can_skb_priv *can_skb_priv = can_skb_prv(skb);
+ struct can_skb_ext *csx;
- if (frame_len_ptr)
- *frame_len_ptr = can_skb_priv->frame_len;
+ if (frame_len_ptr) {
+ csx = can_skb_ext_find(skb);
+ if (csx)
+ *frame_len_ptr = csx->can_framelen;
+ else
+ *frame_len_ptr = 0;
+ }
dev_kfree_skb_any(skb);
priv->echo_skb[idx] = NULL;
--
2.51.0