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/net/udplite.h | |
| parent | c6aefafb7ec620911d46174eed514f9df639e5a4 (diff) | |
[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/net/udplite.h')
| -rw-r--r-- | include/net/udplite.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/include/net/udplite.h b/include/net/udplite.h index b76b2e377af..01ddb2c2026 100644 --- a/include/net/udplite.h +++ b/include/net/udplite.h @@ -25,7 +25,9 @@ static __inline__ int udplite_getfrag(void *from, char *to, int offset, /* Designate sk as UDP-Lite socket */ static inline int udplite_sk_init(struct sock *sk) { +#ifdef CONFIG_IP_UDPLITE udp_sk(sk)->pcflag = UDPLITE_BIT; +#endif return 0; } @@ -69,7 +71,7 @@ static inline int udplite_checksum_init(struct sk_buff *skb, struct udphdr *uh) static inline int udplite_sender_cscov(struct udp_sock *up, struct udphdr *uh) { int cscov = up->len; - +#ifdef CONFIG_IP_UDPLITE /* * Sender has set `partial coverage' option on UDP-Lite socket */ @@ -93,13 +95,15 @@ static inline int udplite_sender_cscov(struct udp_sock *up, struct udphdr *uh) * illegal, we fall back to the defaults here. */ } +#endif return cscov; } static inline __wsum udplite_csum_outgoing(struct sock *sk, struct sk_buff *skb) { - int cscov = udplite_sender_cscov(udp_sk(sk), udp_hdr(skb)); __wsum csum = 0; +#ifdef CONFIG_IP_UDPLITE + int cscov = udplite_sender_cscov(udp_sk(sk), udp_hdr(skb)); skb->ip_summed = CHECKSUM_NONE; /* no HW support for checksumming */ @@ -112,6 +116,7 @@ static inline __wsum udplite_csum_outgoing(struct sock *sk, struct sk_buff *skb) if ((cscov -= len) <= 0) break; } +#endif return csum; } |