diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/genl_magic_func.h | 4 | ||||
| -rw-r--r-- | include/linux/kernelcapi.h | 2 | ||||
| -rw-r--r-- | include/linux/netdevice.h | 12 | ||||
| -rw-r--r-- | include/linux/skbuff.h | 7 |
4 files changed, 20 insertions, 5 deletions
diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h index c0894dd8827b..667c31101b8b 100644 --- a/include/linux/genl_magic_func.h +++ b/include/linux/genl_magic_func.h @@ -178,12 +178,12 @@ static int s_name ## _from_attrs_for_change(struct s_name *s, \ #define __assign(attr_nr, attr_flag, name, nla_type, type, assignment...) \ nla = ntb[attr_nr]; \ if (nla) { \ - if (exclude_invariants && ((attr_flag) & DRBD_F_INVARIANT)) { \ + if (exclude_invariants && !!((attr_flag) & DRBD_F_INVARIANT)) { \ pr_info("<< must not change invariant attr: %s\n", #name); \ return -EEXIST; \ } \ assignment; \ - } else if (exclude_invariants && ((attr_flag) & DRBD_F_INVARIANT)) { \ + } else if (exclude_invariants && !!((attr_flag) & DRBD_F_INVARIANT)) { \ /* attribute missing from payload, */ \ /* which was expected */ \ } else if ((attr_flag) & DRBD_F_REQUIRED) { \ diff --git a/include/linux/kernelcapi.h b/include/linux/kernelcapi.h index 9be37da93680..e985ba679c4a 100644 --- a/include/linux/kernelcapi.h +++ b/include/linux/kernelcapi.h @@ -41,7 +41,7 @@ u16 capi20_get_manufacturer(u32 contr, u8 buf[CAPI_MANUFACTURER_LEN]); u16 capi20_get_version(u32 contr, struct capi_version *verp); u16 capi20_get_serial(u32 contr, u8 serial[CAPI_SERIAL_LEN]); u16 capi20_get_profile(u32 contr, struct capi_profile *profp); -int capi20_manufacturer(unsigned int cmd, void __user *data); +int capi20_manufacturer(unsigned long cmd, void __user *data); #define CAPICTR_UP 0 #define CAPICTR_DOWN 1 diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 838407aea705..74fd5d37f15a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -998,6 +998,12 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev, * Callback to use for xmit over the accelerated station. This * is used in place of ndo_start_xmit on accelerated net * devices. + * bool (*ndo_gso_check) (struct sk_buff *skb, + * struct net_device *dev); + * Called by core transmit path to determine if device is capable of + * performing GSO on a packet. The device returns true if it is + * able to GSO the packet, false otherwise. If the return value is + * false the stack will do software GSO. */ struct net_device_ops { int (*ndo_init)(struct net_device *dev); @@ -1147,6 +1153,8 @@ struct net_device_ops { struct net_device *dev, void *priv); int (*ndo_get_lock_subclass)(struct net_device *dev); + bool (*ndo_gso_check) (struct sk_buff *skb, + struct net_device *dev); }; /** @@ -3572,10 +3580,12 @@ static inline bool skb_gso_ok(struct sk_buff *skb, netdev_features_t features) (!skb_has_frag_list(skb) || (features & NETIF_F_FRAGLIST)); } -static inline bool netif_needs_gso(struct sk_buff *skb, +static inline bool netif_needs_gso(struct net_device *dev, struct sk_buff *skb, netdev_features_t features) { return skb_is_gso(skb) && (!skb_gso_ok(skb, features) || + (dev->netdev_ops->ndo_gso_check && + !dev->netdev_ops->ndo_gso_check(skb, dev)) || unlikely((skb->ip_summed != CHECKSUM_PARTIAL) && (skb->ip_summed != CHECKSUM_UNNECESSARY))); } diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 3ab0749d6875..a59d9343c25b 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1203,7 +1203,12 @@ static inline struct sk_buff *skb_unshare(struct sk_buff *skb, might_sleep_if(pri & __GFP_WAIT); if (skb_cloned(skb)) { struct sk_buff *nskb = skb_copy(skb, pri); - kfree_skb(skb); /* Free our shared copy */ + + /* Free our shared copy */ + if (likely(nskb)) + consume_skb(skb); + else + kfree_skb(skb); skb = nskb; } return skb; |