diff options
| author | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-03-01 01:06:47 +0900 |
|---|---|---|
| committer | YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> | 2008-03-04 15:18:22 +0900 |
| commit | e898d4db2749c6052072e9bc4448e396cbdeb06a (patch) | |
| tree | 2b8673d85210a23e67d0817b18f401411e8936f3 /include/linux/udp.h | |
| parent | c6aefafb7ec620911d46174eed514f9df639e5a4 (diff) | |
| download | lwn-e898d4db2749c6052072e9bc4448e396cbdeb06a.tar.gz lwn-e898d4db2749c6052072e9bc4448e396cbdeb06a.zip | |
[UDP]: Allow users to configure UDP-Lite.
Let's give users an option for disabling UDP-Lite (~4K).
old:
| text data bss dec hex filename
| 286498 12432 6072 305002 4a76a net/ipv4/built-in.o
| 193830 8192 3204 205226 321aa net/ipv6/ipv6.o
new (without UDP-Lite):
| text data bss dec hex filename
| 284086 12136 5432 301654 49a56 net/ipv4/built-in.o
| 191835 7832 3076 202743 317f7 net/ipv6/ipv6.o
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Diffstat (limited to 'include/linux/udp.h')
| -rw-r--r-- | include/linux/udp.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h index 8ec703f462da..4144664d69d9 100644 --- a/include/linux/udp.h +++ b/include/linux/udp.h @@ -70,8 +70,10 @@ struct udp_sock { #define UDPLITE_BIT 0x1 /* set by udplite proto init function */ #define UDPLITE_SEND_CC 0x2 /* set via udplite setsockopt */ #define UDPLITE_RECV_CC 0x4 /* set via udplite setsocktopt */ +#ifdef CONFIG_IP_UDPLITE __u8 pcflag; /* marks socket as UDP-Lite if > 0 */ __u8 unused[3]; +#endif /* * For encapsulation sockets. */ @@ -82,7 +84,16 @@ static inline struct udp_sock *udp_sk(const struct sock *sk) { return (struct udp_sock *)sk; } + +#ifdef CONFIG_IP_UDPLITE #define IS_UDPLITE(__sk) (udp_sk(__sk)->pcflag) +#define IS_PROTO_UDPLITE(__proto) ((__proto) == IPPROTO_UDPLITE) +#define IS_SOL_UDPFAMILY(level) ((level) == SOL_UDP || (level) == SOL_UDPLITE) +#else +#define IS_UDPLITE(__sk) 0 +#define IS_PROTO_UDPLITE(__proto) 0 +#define IS_SOL_UDPFAMILY(level) ((level) == SOL_UDP) +#endif #endif |