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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-06-30 13:36:35 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-06-30 14:12:08 -0700 |
| commit | bcd76111178ebccedd46a9b3eaff65c78e5a70af (patch) | |
| tree | b0f059f3cb19d425d30cf42b2088aca4cae12a0a /include/linux | |
| parent | adcfc7d0b4d7bc3c7edac6fdde9f3ae510bd6054 (diff) | |
| download | lwn-bcd76111178ebccedd46a9b3eaff65c78e5a70af.tar.gz lwn-bcd76111178ebccedd46a9b3eaff65c78e5a70af.zip | |
[NET]: Generalise TSO-specific bits from skb_setup_caps
This patch generalises the TSO-specific bits from sk_setup_caps by adding
the sk_gso_type member to struct sock. This makes sk_setup_caps generic
so that it can be used by TCPv6 or UFO.
The only catch is that whoever uses this must provide a GSO implementation
for their protocol which I think is a fair deal :) For now UFO continues to
live without a GSO implementation which is OK since it doesn't use the sock
caps field at the moment.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/netdevice.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index aa2d3c12c4d8..6db03ab7cec8 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -313,6 +313,7 @@ struct net_device /* Segmentation offload features */ #define NETIF_F_GSO_SHIFT 16 +#define NETIF_F_GSO_MASK 0xffff0000 #define NETIF_F_TSO (SKB_GSO_TCPV4 << NETIF_F_GSO_SHIFT) #define NETIF_F_UFO (SKB_GSO_UDPV4 << NETIF_F_GSO_SHIFT) #define NETIF_F_GSO_ROBUST (SKB_GSO_DODGY << NETIF_F_GSO_SHIFT) @@ -991,13 +992,18 @@ extern void dev_seq_stop(struct seq_file *seq, void *v); extern void linkwatch_run_queue(void); -static inline int skb_gso_ok(struct sk_buff *skb, int features) +static inline int net_gso_ok(int features, int gso_type) { - int feature = skb_shinfo(skb)->gso_size ? - skb_shinfo(skb)->gso_type << NETIF_F_GSO_SHIFT : 0; + int feature = gso_type << NETIF_F_GSO_SHIFT; return (features & feature) == feature; } +static inline int skb_gso_ok(struct sk_buff *skb, int features) +{ + return net_gso_ok(features, skb_shinfo(skb)->gso_size ? + skb_shinfo(skb)->gso_type : 0); +} + static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb) { return !skb_gso_ok(skb, dev->features); |