diff options
| author | Mark Brown <broonie@kernel.org> | 2022-11-25 21:26:21 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-11-25 21:26:21 +0000 |
| commit | 79dfd9d5e8b5cab454ab8fafdfaed0c82b2e2f4b (patch) | |
| tree | 5f74933ed61c9319437932db31a50c116dee043d /include/linux/can/dev.h | |
| parent | d067b3378a78c9c3048ac535e31c171b6f5b5846 (diff) | |
| parent | cd887a7ba74c8378ae8b52afa04adb0d49cdf13d (diff) | |
ASoC: adau1372: fixes after debugging custom board
Merge series from Maarten Zanders <maarten.zanders@mind.be>:
A collection of fixes and improvements for the adau1372 driver.
Diffstat (limited to 'include/linux/can/dev.h')
| -rw-r--r-- | include/linux/can/dev.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 58f5431a5559..982ba245eb41 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -152,6 +152,22 @@ static inline bool can_is_canxl_dev_mtu(unsigned int mtu) return (mtu >= CANXL_MIN_MTU && mtu <= CANXL_MAX_MTU); } +/* drop skb if it does not contain a valid CAN frame for sending */ +static inline bool can_dev_dropped_skb(struct net_device *dev, struct sk_buff *skb) +{ + struct can_priv *priv = netdev_priv(dev); + + if (priv->ctrlmode & CAN_CTRLMODE_LISTENONLY) { + netdev_info_once(dev, + "interface in listen only mode, dropping skb\n"); + kfree_skb(skb); + dev->stats.tx_dropped++; + return true; + } + + return can_dropped_invalid_skb(dev, skb); +} + void can_setup(struct net_device *dev); struct net_device *alloc_candev_mqs(int sizeof_priv, unsigned int echo_skb_max, |