diff options
Diffstat (limited to 'net/core/skbuff.c')
| -rw-r--r-- | net/core/skbuff.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 4abdf71a23f8..d9addea10309 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -635,6 +635,26 @@ void kfree_skb(struct sk_buff *skb) EXPORT_SYMBOL(kfree_skb); /** + * skb_tx_error - report an sk_buff xmit error + * @skb: buffer that triggered an error + * + * Report xmit error if a device callback is tracking this skb. + * skb must be freed afterwards. + */ +void skb_tx_error(struct sk_buff *skb) +{ + if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) { + struct ubuf_info *uarg; + + uarg = skb_shinfo(skb)->destructor_arg; + if (uarg->callback) + uarg->callback(uarg, false); + skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; + } +} +EXPORT_SYMBOL(skb_tx_error); + +/** * consume_skb - free an skbuff * @skb: buffer to free * |