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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-20 13:43:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-20 13:43:21 -0700
commit06f4e926d256d902dd9a53dcb400fd74974ce087 (patch)
tree0b438b67f5f0eff6fd617bc497a9dace6164a488 /net/ipv6/syncookies.c
parent8e7bfcbab3825d1b404d615cb1b54f44ff81f981 (diff)
parentd93515611bbc70c2fe4db232e5feb448ed8e4cc9 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits) macvlan: fix panic if lowerdev in a bond tg3: Add braces around 5906 workaround. tg3: Fix NETIF_F_LOOPBACK error macvlan: remove one synchronize_rcu() call networking: NET_CLS_ROUTE4 depends on INET irda: Fix error propagation in ircomm_lmp_connect_response() irda: Kill set but unused variable 'bytes' in irlan_check_command_param() irda: Kill set but unused variable 'clen' in ircomm_connect_indication() rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport() be2net: Kill set but unused variable 'req' in lancer_fw_download() irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication() atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined. rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer(). rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler() rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection() rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window() pkt_sched: Kill set but unused variable 'protocol' in tc_classify() isdn: capi: Use pr_debug() instead of ifdefs. tg3: Update version to 3.119 tg3: Apply rx_discards fix to 5719/5720 ... Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c as per Davem.
Diffstat (limited to 'net/ipv6/syncookies.c')
-rw-r--r--net/ipv6/syncookies.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 352c26081f5..8b9644a8b69 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -66,7 +66,7 @@ static inline struct sock *get_cookie_sock(struct sock *sk, struct sk_buff *skb,
static DEFINE_PER_CPU(__u32 [16 + 5 + SHA_WORKSPACE_WORDS],
ipv6_cookie_scratch);
-static u32 cookie_hash(struct in6_addr *saddr, struct in6_addr *daddr,
+static u32 cookie_hash(const struct in6_addr *saddr, const struct in6_addr *daddr,
__be16 sport, __be16 dport, u32 count, int c)
{
__u32 *tmp = __get_cpu_var(ipv6_cookie_scratch);
@@ -86,7 +86,8 @@ static u32 cookie_hash(struct in6_addr *saddr, struct in6_addr *daddr,
return tmp[17];
}
-static __u32 secure_tcp_syn_cookie(struct in6_addr *saddr, struct in6_addr *daddr,
+static __u32 secure_tcp_syn_cookie(const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
__be16 sport, __be16 dport, __u32 sseq,
__u32 count, __u32 data)
{
@@ -96,8 +97,8 @@ static __u32 secure_tcp_syn_cookie(struct in6_addr *saddr, struct in6_addr *dadd
& COOKIEMASK));
}
-static __u32 check_tcp_syn_cookie(__u32 cookie, struct in6_addr *saddr,
- struct in6_addr *daddr, __be16 sport,
+static __u32 check_tcp_syn_cookie(__u32 cookie, const struct in6_addr *saddr,
+ const struct in6_addr *daddr, __be16 sport,
__be16 dport, __u32 sseq, __u32 count,
__u32 maxdiff)
{
@@ -116,7 +117,7 @@ static __u32 check_tcp_syn_cookie(__u32 cookie, struct in6_addr *saddr,
__u32 cookie_v6_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mssp)
{
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
const struct tcphdr *th = tcp_hdr(skb);
int mssind;
const __u16 mss = *mssp;
@@ -138,7 +139,7 @@ __u32 cookie_v6_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mssp)
static inline int cookie_check(struct sk_buff *skb, __u32 cookie)
{
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
const struct tcphdr *th = tcp_hdr(skb);
__u32 seq = ntohl(th->seq) - 1;
__u32 mssind = check_tcp_syn_cookie(cookie, &iph->saddr, &iph->daddr,