diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 7e6b7dcaacd..17db2f2e523 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1887,6 +1887,22 @@ void skb_set_dev(struct sk_buff *skb, struct net_device *dev) EXPORT_SYMBOL(skb_set_dev); #endif /* CONFIG_NET_NS */ +static void skb_warn_bad_offload(const struct sk_buff *skb) +{ + struct net_device *dev = skb->dev; + const char *driver = ""; + + if (dev && dev->dev.parent) + driver = dev_driver_string(dev->dev.parent); + + WARN(1, "%s: caps=(%pNF, %pNF) len=%d data_len=%d gso_size=%d " + "gso_type=%d ip_summed=%d\n", + driver, dev ? &dev->features : NULL, + skb->sk ? &skb->sk->sk_route_caps : NULL, + skb->len, skb->data_len, skb_shinfo(skb)->gso_size, + skb_shinfo(skb)->gso_type, skb->ip_summed); +} + /* * Invalidate hardware checksum when packet is to be mangled, and * complete checksum manually on outgoing path. @@ -1900,8 +1916,8 @@ int skb_checksum_help(struct sk_buff *skb) goto out_set_summed; if (unlikely(skb_shinfo(skb)->gso_size)) { - /* Let GSO fix up the checksum. */ - goto out_set_summed; + skb_warn_bad_offload(skb); + return -EINVAL; } offset = skb_checksum_start_offset(skb); @@ -1961,16 +1977,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, __skb_pull(skb, skb->mac_len); if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) { - struct net_device *dev = skb->dev; - const char *driver = ""; - - if (dev && dev->dev.parent) - driver = dev_driver_string(dev->dev.parent); - - WARN(1, "%s: caps=(%pNF, %pNF) len=%d data_len=%d ip_summed=%d\n", - driver, dev ? &dev->features : NULL, - skb->sk ? &skb->sk->sk_route_caps : NULL, - skb->len, skb->data_len, skb->ip_summed); + skb_warn_bad_offload(skb); if (skb_header_cloned(skb) && (err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC))) |