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nexedi
linux
Commits
094694d0
Commit
094694d0
authored
May 22, 2003
by
David S. Miller
Browse files
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Plain Diff
[IPV6]: Dont store pointers to in6_addrs in struct flowi.
parent
7e3683e3
Changes
14
Hide whitespace changes
Inline
Side-by-side
Showing
14 changed files
with
193 additions
and
184 deletions
+193
-184
include/net/flow.h
include/net/flow.h
+4
-2
include/net/ipv6.h
include/net/ipv6.h
+1
-2
include/net/xfrm.h
include/net/xfrm.h
+8
-8
net/ipv6/datagram.c
net/ipv6/datagram.c
+3
-2
net/ipv6/icmp.c
net/ipv6/icmp.c
+22
-22
net/ipv6/ip6_output.c
net/ipv6/ip6_output.c
+33
-35
net/ipv6/ndisc.c
net/ipv6/ndisc.c
+2
-2
net/ipv6/raw.c
net/ipv6/raw.c
+20
-23
net/ipv6/route.c
net/ipv6/route.c
+8
-6
net/ipv6/tcp_ipv6.c
net/ipv6/tcp_ipv6.c
+37
-33
net/ipv6/udp.c
net/ipv6/udp.c
+24
-24
net/ipv6/xfrm6_policy.c
net/ipv6/xfrm6_policy.c
+15
-13
net/ipv6/xfrm6_state.c
net/ipv6/xfrm6_state.c
+2
-2
net/sctp/ipv6.c
net/sctp/ipv6.c
+14
-10
No files found.
include/net/flow.h
View file @
094694d0
...
...
@@ -7,6 +7,8 @@
#ifndef _NET_FLOW_H
#define _NET_FLOW_H
#include <linux/in6.h>
struct
flowi
{
int
oif
;
int
iif
;
...
...
@@ -21,8 +23,8 @@ struct flowi {
}
ip4_u
;
struct
{
struct
in6_addr
*
daddr
;
struct
in6_addr
*
saddr
;
struct
in6_addr
daddr
;
struct
in6_addr
saddr
;
__u32
flowlabel
;
}
ip6_u
;
...
...
include/net/ipv6.h
View file @
094694d0
...
...
@@ -334,8 +334,7 @@ extern void ip6_flush_pending_frames(struct sock *sk);
extern
int
ip6_dst_lookup
(
struct
sock
*
sk
,
struct
dst_entry
**
dst
,
struct
flowi
*
fl
,
struct
in6_addr
**
saddr
);
struct
flowi
*
fl
);
/*
* skb processing functions
...
...
include/net/xfrm.h
View file @
094694d0
...
...
@@ -315,14 +315,14 @@ static inline u32 __flow_hash4(struct flowi *fl)
static
inline
u32
__flow_hash6
(
struct
flowi
*
fl
)
{
u32
hash
=
fl
->
fl6_src
->
s6_addr32
[
2
]
^
fl
->
fl6_src
->
s6_addr32
[
3
]
^
u32
hash
=
fl
->
fl6_src
.
s6_addr32
[
2
]
^
fl
->
fl6_src
.
s6_addr32
[
3
]
^
fl
->
fl_ip_sport
;
hash
=
((
hash
&
0xF0F0F0F0
)
>>
4
)
|
((
hash
&
0x0F0F0F0F
)
<<
4
);
hash
^=
fl
->
fl6_dst
->
s6_addr32
[
2
]
^
fl
->
fl6_dst
->
s6_addr32
[
3
]
^
hash
^=
fl
->
fl6_dst
.
s6_addr32
[
2
]
^
fl
->
fl6_dst
.
s6_addr32
[
3
]
^
fl
->
fl_ip_dport
;
hash
^=
(
hash
>>
10
);
hash
^=
(
hash
>>
20
);
...
...
@@ -471,8 +471,8 @@ __xfrm4_selector_match(struct xfrm_selector *sel, struct flowi *fl)
static
inline
int
__xfrm6_selector_match
(
struct
xfrm_selector
*
sel
,
struct
flowi
*
fl
)
{
return
addr_match
(
fl
->
fl6_dst
,
&
sel
->
daddr
,
sel
->
prefixlen_d
)
&&
addr_match
(
fl
->
fl6_src
,
&
sel
->
saddr
,
sel
->
prefixlen_s
)
&&
return
addr_match
(
&
fl
->
fl6_dst
,
&
sel
->
daddr
,
sel
->
prefixlen_d
)
&&
addr_match
(
&
fl
->
fl6_src
,
&
sel
->
saddr
,
sel
->
prefixlen_s
)
&&
!
((
fl
->
fl_ip_dport
^
sel
->
dport
)
&
sel
->
dport_mask
)
&&
!
((
fl
->
fl_ip_sport
^
sel
->
sport
)
&
sel
->
sport_mask
)
&&
(
fl
->
proto
==
sel
->
proto
||
!
sel
->
proto
)
&&
...
...
@@ -654,7 +654,7 @@ xfrm_address_t *xfrm_flowi_daddr(struct flowi *fl, unsigned short family)
case
AF_INET
:
return
(
xfrm_address_t
*
)
&
fl
->
fl4_dst
;
case
AF_INET6
:
return
(
xfrm_address_t
*
)
fl
->
fl6_dst
;
return
(
xfrm_address_t
*
)
&
fl
->
fl6_dst
;
}
return
NULL
;
}
...
...
@@ -666,7 +666,7 @@ xfrm_address_t *xfrm_flowi_saddr(struct flowi *fl, unsigned short family)
case
AF_INET
:
return
(
xfrm_address_t
*
)
&
fl
->
fl4_src
;
case
AF_INET6
:
return
(
xfrm_address_t
*
)
fl
->
fl6_src
;
return
(
xfrm_address_t
*
)
&
fl
->
fl6_src
;
}
return
NULL
;
}
...
...
net/ipv6/datagram.c
View file @
094694d0
...
...
@@ -80,7 +80,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info)
iph
=
(
struct
ipv6hdr
*
)
skb_put
(
skb
,
sizeof
(
struct
ipv6hdr
));
skb
->
nh
.
ipv6h
=
iph
;
ipv6_addr_copy
(
&
iph
->
daddr
,
fl
->
fl6_dst
);
ipv6_addr_copy
(
&
iph
->
daddr
,
&
fl
->
fl6_dst
);
serr
=
SKB_EXT_ERR
(
skb
);
serr
->
ee
.
ee_errno
=
err
;
...
...
@@ -297,7 +297,8 @@ int datagram_send_ctl(struct msghdr *msg, struct flowi *fl,
goto
exit_f
;
}
fl
->
fl6_src
=
&
src_info
->
ipi6_addr
;
ipv6_addr_copy
(
&
fl
->
fl6_src
,
&
src_info
->
ipi6_addr
);
}
break
;
...
...
net/ipv6/icmp.c
View file @
094694d0
...
...
@@ -223,9 +223,10 @@ int icmpv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct icmp6hd
if
(
skb_queue_len
(
&
sk
->
write_queue
)
==
1
)
{
skb
->
csum
=
csum_partial
((
char
*
)
icmp6h
,
sizeof
(
struct
icmp6hdr
),
skb
->
csum
);
icmp6h
->
icmp6_cksum
=
csum_ipv6_magic
(
fl
->
fl6_src
,
fl
->
fl6_dst
,
len
,
fl
->
proto
,
skb
->
csum
);
icmp6h
->
icmp6_cksum
=
csum_ipv6_magic
(
&
fl
->
fl6_src
,
&
fl
->
fl6_dst
,
len
,
fl
->
proto
,
skb
->
csum
);
}
else
{
u32
tmp_csum
=
0
;
...
...
@@ -235,8 +236,8 @@ int icmpv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct icmp6hd
tmp_csum
=
csum_partial
((
char
*
)
icmp6h
,
sizeof
(
struct
icmp6hdr
),
tmp_csum
);
tmp_csum
=
csum_ipv6_magic
(
fl
->
fl6_src
,
fl
->
fl6_dst
,
tmp_csum
=
csum_ipv6_magic
(
&
fl
->
fl6_src
,
&
fl
->
fl6_dst
,
len
,
fl
->
proto
,
tmp_csum
);
icmp6h
->
icmp6_cksum
=
tmp_csum
;
}
...
...
@@ -266,7 +267,7 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
struct
ipv6hdr
*
hdr
=
skb
->
nh
.
ipv6h
;
struct
sock
*
sk
=
icmpv6_socket
->
sk
;
struct
ipv6_pinfo
*
np
=
inet6_sk
(
sk
);
struct
in6_addr
*
saddr
=
NULL
,
*
tmp_saddr
=
NULL
;
struct
in6_addr
*
saddr
=
NULL
;
struct
dst_entry
*
dst
;
struct
icmp6hdr
tmp_hdr
;
struct
flowi
fl
;
...
...
@@ -332,11 +333,12 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
return
;
}
memset
(
&
fl
,
0
,
sizeof
(
fl
));
fl
.
proto
=
IPPROTO_ICMPV6
;
fl
.
fl6_dst
=
&
hdr
->
saddr
;
fl
.
fl6_src
=
saddr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
hdr
->
saddr
);
if
(
saddr
)
ipv6_addr_copy
(
&
fl
.
fl6_src
,
saddr
);
fl
.
oif
=
iif
;
fl
.
fl6_flowlabel
=
0
;
fl
.
fl_icmp_type
=
type
;
fl
.
fl_icmp_code
=
code
;
...
...
@@ -350,14 +352,14 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
tmp_hdr
.
icmp6_cksum
=
0
;
tmp_hdr
.
icmp6_pointer
=
htonl
(
info
);
if
(
!
fl
.
oif
&&
ipv6_addr_is_multicast
(
fl
.
fl6_dst
))
if
(
!
fl
.
oif
&&
ipv6_addr_is_multicast
(
&
fl
.
fl6_dst
))
fl
.
oif
=
np
->
mcast_oif
;
err
=
ip6_dst_lookup
(
sk
,
&
dst
,
&
fl
,
&
tmp_saddr
);
err
=
ip6_dst_lookup
(
sk
,
&
dst
,
&
fl
);
if
(
err
)
goto
out
;
if
(
hlimit
<
0
)
{
if
(
ipv6_addr_is_multicast
(
fl
.
fl6_dst
))
if
(
ipv6_addr_is_multicast
(
&
fl
.
fl6_dst
))
hlimit
=
np
->
mcast_hops
;
else
hlimit
=
np
->
hop_limit
;
...
...
@@ -394,7 +396,6 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
if
(
likely
(
idev
!=
NULL
))
in6_dev_put
(
idev
);
out:
if
(
tmp_saddr
)
kfree
(
tmp_saddr
);
icmpv6_xmit_unlock
();
}
...
...
@@ -403,7 +404,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
struct
sock
*
sk
=
icmpv6_socket
->
sk
;
struct
inet6_dev
*
idev
;
struct
ipv6_pinfo
*
np
=
inet6_sk
(
sk
);
struct
in6_addr
*
saddr
=
NULL
,
*
tmp_saddr
=
NULL
;
struct
in6_addr
*
saddr
=
NULL
;
struct
icmp6hdr
*
icmph
=
(
struct
icmp6hdr
*
)
skb
->
h
.
raw
;
struct
icmp6hdr
tmp_hdr
;
struct
flowi
fl
;
...
...
@@ -420,25 +421,25 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
memcpy
(
&
tmp_hdr
,
icmph
,
sizeof
(
tmp_hdr
));
tmp_hdr
.
icmp6_type
=
ICMPV6_ECHO_REPLY
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
fl
.
proto
=
IPPROTO_ICMPV6
;
fl
.
fl6_dst
=
&
skb
->
nh
.
ipv6h
->
saddr
;
fl
.
fl6_src
=
saddr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
skb
->
nh
.
ipv6h
->
saddr
);
if
(
saddr
)
ipv6_addr_copy
(
&
fl
.
fl6_src
,
saddr
);
fl
.
oif
=
skb
->
dev
->
ifindex
;
fl
.
fl6_flowlabel
=
0
;
fl
.
fl_icmp_type
=
ICMPV6_ECHO_REPLY
;
fl
.
fl_icmp_code
=
0
;
icmpv6_xmit_lock
();
if
(
!
fl
.
oif
&&
ipv6_addr_is_multicast
(
fl
.
nl_u
.
ip6_u
.
daddr
))
if
(
!
fl
.
oif
&&
ipv6_addr_is_multicast
(
&
fl
.
fl6_dst
))
fl
.
oif
=
np
->
mcast_oif
;
err
=
ip6_dst_lookup
(
sk
,
&
dst
,
&
fl
,
&
tmp_saddr
);
err
=
ip6_dst_lookup
(
sk
,
&
dst
,
&
fl
);
if
(
err
)
goto
out
;
if
(
hlimit
<
0
)
{
if
(
ipv6_addr_is_multicast
(
fl
.
fl6_dst
))
if
(
ipv6_addr_is_multicast
(
&
fl
.
fl6_dst
))
hlimit
=
np
->
mcast_hops
;
else
hlimit
=
np
->
hop_limit
;
...
...
@@ -464,7 +465,6 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
if
(
likely
(
idev
!=
NULL
))
in6_dev_put
(
idev
);
out:
if
(
tmp_saddr
)
kfree
(
tmp_saddr
);
icmpv6_xmit_unlock
();
}
...
...
net/ipv6/ip6_output.c
View file @
094694d0
...
...
@@ -152,15 +152,14 @@ int ip6_route_me_harder(struct sk_buff *skb)
{
struct
ipv6hdr
*
iph
=
skb
->
nh
.
ipv6h
;
struct
dst_entry
*
dst
;
struct
flowi
fl
;
fl
.
proto
=
iph
->
nexthdr
;
fl
.
fl6_dst
=
&
iph
->
daddr
;
fl
.
fl6_src
=
&
iph
->
saddr
;
fl
.
oif
=
skb
->
sk
?
skb
->
sk
->
bound_dev_if
:
0
;
fl
.
fl6_flowlabel
=
0
;
fl
.
fl_ip_dport
=
0
;
fl
.
fl_ip_sport
=
0
;
struct
flowi
fl
=
{
.
oif
=
skb
->
sk
?
skb
->
sk
->
bound_dev_if
:
0
,
.
nl_u
=
{
.
ip6_u
=
{
.
daddr
=
iph
->
daddr
,
.
saddr
=
iph
->
saddr
,
}
},
.
proto
=
iph
->
nexthdr
,
};
dst
=
ip6_route_output
(
skb
->
sk
,
&
fl
);
...
...
@@ -200,7 +199,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
struct
ipv6_txoptions
*
opt
)
{
struct
ipv6_pinfo
*
np
=
sk
?
inet6_sk
(
sk
)
:
NULL
;
struct
in6_addr
*
first_hop
=
fl
->
fl6_dst
;
struct
in6_addr
*
first_hop
=
&
fl
->
fl6_dst
;
struct
dst_entry
*
dst
=
skb
->
dst
;
struct
ipv6hdr
*
hdr
;
u8
proto
=
fl
->
proto
;
...
...
@@ -255,7 +254,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
hdr
->
nexthdr
=
proto
;
hdr
->
hop_limit
=
hlimit
;
ipv6_addr_copy
(
&
hdr
->
saddr
,
fl
->
fl6_src
);
ipv6_addr_copy
(
&
hdr
->
saddr
,
&
fl
->
fl6_src
);
ipv6_addr_copy
(
&
hdr
->
daddr
,
first_hop
);
mtu
=
dst_pmtu
(
dst
);
...
...
@@ -320,8 +319,8 @@ static struct ipv6hdr * ip6_bld_1(struct sock *sk, struct sk_buff *skb, struct f
hdr
->
hop_limit
=
hlimit
;
hdr
->
nexthdr
=
fl
->
proto
;
ipv6_addr_copy
(
&
hdr
->
saddr
,
fl
->
fl6_src
);
ipv6_addr_copy
(
&
hdr
->
daddr
,
fl
->
fl6_dst
);
ipv6_addr_copy
(
&
hdr
->
saddr
,
&
fl
->
fl6_src
);
ipv6_addr_copy
(
&
hdr
->
daddr
,
&
fl
->
fl6_dst
);
return
hdr
;
}
...
...
@@ -526,19 +525,19 @@ int ip6_build_xmit(struct sock *sk, inet_getfrag_t getfrag, const void *data,
{
struct
inet_opt
*
inet
=
inet_sk
(
sk
);
struct
ipv6_pinfo
*
np
=
inet6_sk
(
sk
);
struct
in6_addr
*
final_dst
=
NULL
;
struct
in6_addr
final_dst_buf
,
*
final_dst
=
NULL
;
struct
dst_entry
*
dst
;
int
err
=
0
;
unsigned
int
pktlength
,
jumbolen
,
mtu
;
struct
in6_addr
saddr
;
if
(
opt
&&
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
opt
->
srcrt
;
final_dst
=
fl
->
fl6_dst
;
fl
->
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
final_dst_buf
,
&
fl
->
fl6_dst
);
final_dst
=
&
final_dst_buf
;
ipv6_addr_copy
(
&
fl
->
fl6_dst
,
rt0
->
addr
);
}
if
(
!
fl
->
oif
&&
ipv6_addr_is_multicast
(
fl
->
fl6_dst
))
if
(
!
fl
->
oif
&&
ipv6_addr_is_multicast
(
&
fl
->
fl6_dst
))
fl
->
oif
=
np
->
mcast_oif
;
dst
=
__sk_dst_check
(
sk
,
np
->
dst_cookie
);
...
...
@@ -564,9 +563,9 @@ int ip6_build_xmit(struct sock *sk, inet_getfrag_t getfrag, const void *data,
*/
if
(((
rt
->
rt6i_dst
.
plen
!=
128
||
ipv6_addr_cmp
(
fl
->
fl6_dst
,
&
rt
->
rt6i_dst
.
addr
))
ipv6_addr_cmp
(
&
fl
->
fl6_dst
,
&
rt
->
rt6i_dst
.
addr
))
&&
(
np
->
daddr_cache
==
NULL
||
ipv6_addr_cmp
(
fl
->
fl6_dst
,
np
->
daddr_cache
)))
ipv6_addr_cmp
(
&
fl
->
fl6_dst
,
np
->
daddr_cache
)))
||
(
fl
->
oif
&&
fl
->
oif
!=
dst
->
dev
->
ifindex
))
{
dst
=
NULL
;
}
else
...
...
@@ -582,8 +581,8 @@ int ip6_build_xmit(struct sock *sk, inet_getfrag_t getfrag, const void *data,
return
-
ENETUNREACH
;
}
if
(
fl
->
fl6_src
==
NULL
)
{
err
=
ipv6_get_saddr
(
dst
,
fl
->
fl6_dst
,
&
saddr
);
if
(
ipv6_addr_any
(
&
fl
->
fl6_src
)
)
{
err
=
ipv6_get_saddr
(
dst
,
&
fl
->
fl6_dst
,
&
fl
->
fl6_src
);
if
(
err
)
{
#if IP6_DEBUG >= 2
...
...
@@ -592,7 +591,6 @@ int ip6_build_xmit(struct sock *sk, inet_getfrag_t getfrag, const void *data,
#endif
goto
out
;
}
fl
->
fl6_src
=
&
saddr
;
}
pktlength
=
length
;
...
...
@@ -604,7 +602,7 @@ int ip6_build_xmit(struct sock *sk, inet_getfrag_t getfrag, const void *data,
}
if
(
hlimit
<
0
)
{
if
(
ipv6_addr_is_multicast
(
fl
->
fl6_dst
))
if
(
ipv6_addr_is_multicast
(
&
fl
->
fl6_dst
))
hlimit
=
np
->
mcast_hops
;
else
hlimit
=
np
->
hop_limit
;
...
...
@@ -715,7 +713,9 @@ int ip6_build_xmit(struct sock *sk, inet_getfrag_t getfrag, const void *data,
* cleanup
*/
out:
ip6_dst_store
(
sk
,
dst
,
fl
->
fl6_dst
==
&
np
->
daddr
?
&
np
->
daddr
:
NULL
);
ip6_dst_store
(
sk
,
dst
,
!
ipv6_addr_cmp
(
&
fl
->
fl6_dst
,
&
np
->
daddr
)
?
&
np
->
daddr
:
NULL
);
if
(
err
>
0
)
err
=
np
->
recverr
?
net_xmit_errno
(
err
)
:
0
;
return
err
;
...
...
@@ -1135,7 +1135,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
return
err
;
}
int
ip6_dst_lookup
(
struct
sock
*
sk
,
struct
dst_entry
**
dst
,
struct
flowi
*
fl
,
struct
in6_addr
**
saddr
)
int
ip6_dst_lookup
(
struct
sock
*
sk
,
struct
dst_entry
**
dst
,
struct
flowi
*
fl
)
{
struct
ipv6_pinfo
*
np
=
inet6_sk
(
sk
);
int
err
=
0
;
...
...
@@ -1163,9 +1163,9 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl, st
*/
if
(((
rt
->
rt6i_dst
.
plen
!=
128
||
ipv6_addr_cmp
(
fl
->
fl6_dst
,
&
rt
->
rt6i_dst
.
addr
))
ipv6_addr_cmp
(
&
fl
->
fl6_dst
,
&
rt
->
rt6i_dst
.
addr
))
&&
(
np
->
daddr_cache
==
NULL
||
ipv6_addr_cmp
(
fl
->
fl6_dst
,
np
->
daddr_cache
)))
ipv6_addr_cmp
(
&
fl
->
fl6_dst
,
np
->
daddr_cache
)))
||
(
fl
->
oif
&&
fl
->
oif
!=
(
*
dst
)
->
dev
->
ifindex
))
{
*
dst
=
NULL
;
}
else
...
...
@@ -1181,9 +1181,8 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl, st
return
-
ENETUNREACH
;
}
if
(
fl
->
fl6_src
==
NULL
)
{
*
saddr
=
kmalloc
(
sizeof
(
struct
in6_addr
),
GFP_ATOMIC
);
err
=
ipv6_get_saddr
(
*
dst
,
fl
->
fl6_dst
,
*
saddr
);
if
(
ipv6_addr_any
(
&
fl
->
fl6_src
))
{
err
=
ipv6_get_saddr
(
*
dst
,
&
fl
->
fl6_dst
,
&
fl
->
fl6_src
);
if
(
err
)
{
#if IP6_DEBUG >= 2
...
...
@@ -1192,7 +1191,6 @@ int ip6_dst_lookup(struct sock *sk, struct dst_entry **dst, struct flowi *fl, st
#endif
return
err
;
}
fl
->
fl6_src
=
*
saddr
;
}
if
(
*
dst
)
{
...
...
@@ -1415,7 +1413,7 @@ int ip6_push_pending_frames(struct sock *sk)
{
struct
sk_buff
*
skb
,
*
tmp_skb
;
struct
sk_buff
**
tail_skb
;
struct
in6_addr
*
final_dst
=
NULL
;
struct
in6_addr
final_dst_buf
,
*
final_dst
=
&
final_dst_buf
;
struct
inet_opt
*
inet
=
inet_sk
(
sk
);
struct
ipv6_pinfo
*
np
=
inet6_sk
(
sk
);
struct
ipv6hdr
*
hdr
;
...
...
@@ -1446,7 +1444,7 @@ int ip6_push_pending_frames(struct sock *sk)
#endif
}
final_dst
=
fl
->
fl6_dst
;
ipv6_addr_copy
(
final_dst
,
&
fl
->
fl6_dst
)
;
__skb_pull
(
skb
,
skb
->
h
.
raw
-
skb
->
nh
.
raw
);
if
(
opt
&&
opt
->
opt_flen
)
ipv6_push_frag_opts
(
skb
,
opt
,
&
proto
);
...
...
@@ -1463,7 +1461,7 @@ int ip6_push_pending_frames(struct sock *sk)
hdr
->
payload_len
=
0
;
hdr
->
hop_limit
=
np
->
hop_limit
;
hdr
->
nexthdr
=
proto
;
ipv6_addr_copy
(
&
hdr
->
saddr
,
fl
->
fl6_src
);
ipv6_addr_copy
(
&
hdr
->
saddr
,
&
fl
->
fl6_src
);
ipv6_addr_copy
(
&
hdr
->
daddr
,
final_dst
);
skb
->
dst
=
dst_clone
(
&
rt
->
u
.
dst
);
...
...
net/ipv6/ndisc.c
View file @
094694d0
...
...
@@ -405,8 +405,8 @@ static inline void ndisc_flow_init(struct flowi *fl, u8 type,
struct
in6_addr
*
saddr
,
struct
in6_addr
*
daddr
)
{
memset
(
fl
,
0
,
sizeof
(
*
fl
));
fl
->
fl6_src
=
saddr
;
fl
->
fl6_dst
=
daddr
;
ipv6_addr_copy
(
&
fl
->
fl6_src
,
saddr
)
;
ipv6_addr_copy
(
&
fl
->
fl6_dst
,
daddr
)
;
fl
->
proto
=
IPPROTO_ICMPV6
;
fl
->
fl_icmp_type
=
type
;
fl
->
fl_icmp_code
=
0
;
...
...
net/ipv6/raw.c
View file @
094694d0
...
...
@@ -461,9 +461,9 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct r
* Only one fragment on the socket.
*/
/* should be check HW csum miyazawa */
*
csum
=
csum_ipv6_magic
(
fl
->
fl6_src
,
fl
->
fl6_dst
,
len
,
fl
->
proto
,
skb
->
csum
);
*
csum
=
csum_ipv6_magic
(
&
fl
->
fl6_src
,
&
fl
->
fl6_dst
,
len
,
fl
->
proto
,
skb
->
csum
);
}
else
{
u32
tmp_csum
=
0
;
...
...
@@ -471,9 +471,9 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct r
tmp_csum
=
csum_add
(
tmp_csum
,
skb
->
csum
);
}
tmp_csum
=
csum_ipv6_magic
(
fl
->
fl6_src
,
fl
->
fl6_dst
,
len
,
fl
->
proto
,
tmp_csum
);
tmp_csum
=
csum_ipv6_magic
(
&
fl
->
fl6_src
,
&
fl
->
fl6_dst
,
len
,
fl
->
proto
,
tmp_csum
);
*
csum
=
tmp_csum
;
}
if
(
*
csum
==
0
)
...
...
@@ -540,7 +540,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
{
struct
ipv6_txoptions
opt_space
;
struct
sockaddr_in6
*
sin6
=
(
struct
sockaddr_in6
*
)
msg
->
msg_name
;
struct
in6_addr
*
daddr
,
*
saddr
=
NULL
;
struct
in6_addr
*
daddr
;
struct
inet_opt
*
inet
=
inet_sk
(
sk
);
struct
ipv6_pinfo
*
np
=
inet6_sk
(
sk
);
struct
raw6_opt
*
raw_opt
=
raw6_sk
(
sk
);
...
...
@@ -566,9 +566,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
/*
* Get and verify the address.
*/
fl
.
fl6_flowlabel
=
0
;
fl
.
oif
=
0
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
if
(
sin6
)
{
if
(
addr_len
<
SIN6_LEN_RFC2133
)
...
...
@@ -628,7 +626,6 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
if
(
fl
.
oif
==
0
)
fl
.
oif
=
sk
->
bound_dev_if
;
fl
.
fl6_src
=
NULL
;
if
(
msg
->
msg_controllen
)
{
opt
=
&
opt_space
;
...
...
@@ -653,26 +650,25 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
opt
=
fl6_merge_options
(
&
opt_space
,
flowlabel
,
opt
);
fl
.
proto
=
proto
;
fl
.
fl6_dst
=
daddr
;
if
(
fl
.
fl6_src
==
NULL
&&
!
ipv6_addr_any
(
&
np
->
saddr
))
fl
.
fl6_src
=
&
np
->
saddr
;
fl
.
fl_icmp_type
=
0
;
fl
.
fl_icmp_code
=
0
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
daddr
);
if
(
ipv6_addr_any
(
&
fl
.
fl6_src
)
&&
!
ipv6_addr_any
(
&
np
->
saddr
))
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
np
->
saddr
);
/* merge ip6_build_xmit from ip6_output */
if
(
opt
&&
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
opt
->
srcrt
;
fl
.
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
if
(
!
fl
.
oif
&&
ipv6_addr_is_multicast
(
fl
.
nl_u
.
ip6_u
.
daddr
))
if
(
!
fl
.
oif
&&
ipv6_addr_is_multicast
(
&
fl
.
fl6_dst
))
fl
.
oif
=
np
->
mcast_oif
;
err
=
ip6_dst_lookup
(
sk
,
&
dst
,
&
fl
,
&
saddr
);
if
(
err
)
goto
out
;
err
=
ip6_dst_lookup
(
sk
,
&
dst
,
&
fl
);
if
(
err
)
goto
out
;
if
(
hlimit
<
0
)
{
if
(
ipv6_addr_is_multicast
(
fl
.
fl6_dst
))
if
(
ipv6_addr_is_multicast
(
&
fl
.
fl6_dst
))
hlimit
=
np
->
mcast_hops
;
else
hlimit
=
np
->
hop_limit
;
...
...
@@ -702,14 +698,15 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
}
}
done:
ip6_dst_store
(
sk
,
dst
,
fl
.
nl_u
.
ip6_u
.
daddr
==
&
np
->
daddr
?
&
np
->
daddr
:
NULL
);
ip6_dst_store
(
sk
,
dst
,
!
ipv6_addr_cmp
(
&
fl
.
fl6_dst
,
&
np
->
daddr
)
?
&
np
->
daddr
:
NULL
);
if
(
err
>
0
)
err
=
np
->
recverr
?
net_xmit_errno
(
err
)
:
0
;
release_sock
(
sk
);
out:
fl6_sock_release
(
flowlabel
);
if
(
saddr
)
kfree
(
saddr
);
return
err
<
0
?
err
:
len
;
do_confirm:
dst_confirm
(
dst
);
...
...
net/ipv6/route.c
View file @
094694d0
...
...
@@ -454,12 +454,12 @@ struct dst_entry * ip6_route_output(struct sock *sk, struct flowi *fl)
int
strict
;
int
attempts
=
3
;
strict
=
ipv6_addr_type
(
fl
->
fl6_dst
)
&
(
IPV6_ADDR_MULTICAST
|
IPV6_ADDR_LINKLOCAL
);
strict
=
ipv6_addr_type
(
&
fl
->
fl6_dst
)
&
(
IPV6_ADDR_MULTICAST
|
IPV6_ADDR_LINKLOCAL
);
relookup:
read_lock_bh
(
&
rt6_lock
);
fn
=
fib6_lookup
(
&
ip6_routing_table
,
fl
->
fl6_dst
,
fl
->
fl6_src
);
fn
=
fib6_lookup
(
&
ip6_routing_table
,
&
fl
->
fl6_dst
,
&
fl
->
fl6_src
);
restart:
rt
=
fn
->
leaf
;
...
...
@@ -481,7 +481,7 @@ struct dst_entry * ip6_route_output(struct sock *sk, struct flowi *fl)
if
(
!
rt
->
rt6i_nexthop
&&
!
(
rt
->
rt6i_flags
&
RTF_NONEXTHOP
))
{
read_unlock_bh
(
&
rt6_lock
);
rt
=
rt6_cow
(
rt
,
fl
->
fl6_dst
,
fl
->
fl6_src
);
rt
=
rt6_cow
(
rt
,
&
fl
->
fl6_dst
,
&
fl
->
fl6_src
);
if
(
rt
->
u
.
dst
.
error
!=
-
EEXIST
||
--
attempts
<=
0
)
goto
out2
;
...
...
@@ -1616,9 +1616,11 @@ int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
memset
(
&
fl
,
0
,
sizeof
(
fl
));
if
(
rta
[
RTA_SRC
-
1
])
fl
.
fl6_src
=
(
struct
in6_addr
*
)
RTA_DATA
(
rta
[
RTA_SRC
-
1
]);
ipv6_addr_copy
(
&
fl
.
fl6_src
,
(
struct
in6_addr
*
)
RTA_DATA
(
rta
[
RTA_SRC
-
1
]));
if
(
rta
[
RTA_DST
-
1
])
fl
.
fl6_dst
=
(
struct
in6_addr
*
)
RTA_DATA
(
rta
[
RTA_DST
-
1
]);
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
(
struct
in6_addr
*
)
RTA_DATA
(
rta
[
RTA_DST
-
1
]));
if
(
rta
[
RTA_IIF
-
1
])
memcpy
(
&
iif
,
RTA_DATA
(
rta
[
RTA_IIF
-
1
]),
sizeof
(
int
));
...
...
@@ -1642,7 +1644,7 @@ int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
NETLINK_CB
(
skb
).
dst_pid
=
NETLINK_CB
(
in_skb
).
pid
;
err
=
rt6_fill_node
(
skb
,
rt
,
fl
.
fl6_dst
,
fl
.
fl6_src
,
&
fl
.
fl6_dst
,
&
fl
.
fl6_src
,
iif
,
RTM_NEWROUTE
,
NETLINK_CB
(
in_skb
).
pid
,
nlh
->
nlmsg_seq
,
nlh
);
...
...
net/ipv6/tcp_ipv6.c
View file @
094694d0
...
...
@@ -571,7 +571,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
if
(
usin
->
sin6_family
!=
AF_INET6
)
return
(
-
EAFNOSUPPORT
);
fl
.
fl6_flowlabel
=
0
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
if
(
np
->
sndflow
)
{
fl
.
fl6_flowlabel
=
usin
->
sin6_flowinfo
&
IPV6_FLOWINFO_MASK
;
IP6_ECN_flow_init
(
fl
.
fl6_flowlabel
);
...
...
@@ -666,20 +667,18 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
saddr
=
&
np
->
rcv_saddr
;
fl
.
proto
=
IPPROTO_TCP
;
fl
.
fl6_dst
=
&
np
->
daddr
;
fl
.
fl6_src
=
saddr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
np
->
daddr
);
ipv6_addr_copy
(
&
fl
.
fl6_src
,
(
saddr
?
saddr
:
&
np
->
saddr
));
fl
.
oif
=
sk
->
bound_dev_if
;
fl
.
fl_ip_dport
=
usin
->
sin6_port
;
fl
.
fl_ip_sport
=
inet
->
sport
;
if
(
np
->
opt
&&
np
->
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
np
->
opt
->
srcrt
;
fl
.
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
if
(
!
fl
.
fl6_src
)
fl
.
fl6_src
=
&
np
->
saddr
;
dst
=
ip6_route_output
(
sk
,
&
fl
);
if
((
err
=
dst
->
error
)
!=
0
)
{
...
...
@@ -794,9 +793,10 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
to handle rthdr case. Ignore this complexity
for now.
*/
memset
(
&
fl
,
0
,
sizeof
(
fl
));
fl
.
proto
=
IPPROTO_TCP
;
fl
.
fl6_dst
=
&
np
->
daddr
;
fl
.
fl6_src
=
&
np
->
saddr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
np
->
daddr
)
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
np
->
saddr
)
;
fl
.
oif
=
sk
->
bound_dev_if
;
fl
.
fl_ip_dport
=
inet
->
dport
;
fl
.
fl_ip_sport
=
inet
->
sport
;
...
...
@@ -879,9 +879,10 @@ static int tcp_v6_send_synack(struct sock *sk, struct open_request *req,
struct
flowi
fl
;
int
err
=
-
1
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
fl
.
proto
=
IPPROTO_TCP
;
fl
.
fl6_dst
=
&
req
->
af
.
v6_req
.
rmt_addr
;
fl
.
fl6_src
=
&
req
->
af
.
v6_req
.
loc_addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
req
->
af
.
v6_req
.
rmt_addr
)
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
req
->
af
.
v6_req
.
loc_addr
)
;
fl
.
fl6_flowlabel
=
0
;
fl
.
oif
=
req
->
af
.
v6_req
.
iif
;
fl
.
fl_ip_dport
=
req
->
rmt_port
;
...
...
@@ -900,7 +901,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct open_request *req,
if
(
opt
&&
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
opt
->
srcrt
;
fl
.
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
dst
=
ip6_route_output
(
sk
,
&
fl
);
...
...
@@ -916,7 +917,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct open_request *req,
&
req
->
af
.
v6_req
.
loc_addr
,
&
req
->
af
.
v6_req
.
rmt_addr
,
csum_partial
((
char
*
)
th
,
skb
->
len
,
skb
->
csum
));
fl
.
fl6_dst
=
&
req
->
af
.
v6_req
.
rmt_addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
req
->
af
.
v6_req
.
rmt_addr
)
;
err
=
ip6_xmit
(
sk
,
skb
,
&
fl
,
opt
);
if
(
err
==
NET_XMIT_CN
)
err
=
0
;
...
...
@@ -1018,11 +1019,11 @@ static void tcp_v6_send_reset(struct sk_buff *skb)
buff
->
csum
=
csum_partial
((
char
*
)
t1
,
sizeof
(
*
t1
),
0
);
fl
.
fl6_dst
=
&
skb
->
nh
.
ipv6h
->
saddr
;
fl
.
fl6_src
=
&
skb
->
nh
.
ipv6h
->
daddr
;
fl
.
fl6_flowlabel
=
0
;
memset
(
&
fl
,
0
,
sizeof
(
fl
))
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
skb
->
nh
.
ipv6h
->
saddr
)
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
skb
->
nh
.
ipv6h
->
daddr
)
;
t1
->
check
=
csum_ipv6_magic
(
fl
.
fl6_src
,
fl
.
fl6_dst
,
t1
->
check
=
csum_ipv6_magic
(
&
fl
.
fl6_src
,
&
fl
.
fl6_dst
,
sizeof
(
*
t1
),
IPPROTO_TCP
,
buff
->
csum
);
...
...
@@ -1082,11 +1083,11 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
buff
->
csum
=
csum_partial
((
char
*
)
t1
,
tot_len
,
0
);
fl
.
fl6_dst
=
&
skb
->
nh
.
ipv6h
->
saddr
;
fl
.
fl6_src
=
&
skb
->
nh
.
ipv6h
->
daddr
;
fl
.
fl6_flowlabel
=
0
;
memset
(
&
fl
,
0
,
sizeof
(
fl
))
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
skb
->
nh
.
ipv6h
->
saddr
)
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
skb
->
nh
.
ipv6h
->
daddr
)
;
t1
->
check
=
csum_ipv6_magic
(
fl
.
fl6_src
,
fl
.
fl6_dst
,
t1
->
check
=
csum_ipv6_magic
(
&
fl
.
fl6_src
,
&
fl
.
fl6_dst
,
tot_len
,
IPPROTO_TCP
,
buff
->
csum
);
...
...
@@ -1261,7 +1262,6 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
{
struct
ipv6_pinfo
*
newnp
,
*
np
=
inet6_sk
(
sk
);
struct
tcp6_sock
*
newtcp6sk
;
struct
flowi
fl
;
struct
inet_opt
*
newinet
;
struct
tcp_opt
*
newtp
;
struct
sock
*
newsk
;
...
...
@@ -1330,14 +1330,16 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
}
if
(
dst
==
NULL
)
{
struct
flowi
fl
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
fl
.
proto
=
IPPROTO_TCP
;
fl
.
fl6_dst
=
&
req
->
af
.
v6_req
.
rmt_addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
req
->
af
.
v6_req
.
rmt_addr
)
;
if
(
opt
&&
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
opt
->
srcrt
;
fl
.
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
fl
.
fl6_src
=
&
req
->
af
.
v6_req
.
loc_addr
;
fl
.
fl6_flowlabel
=
0
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
req
->
af
.
v6_req
.
loc_addr
);
fl
.
oif
=
sk
->
bound_dev_if
;
fl
.
fl_ip_dport
=
req
->
rmt_port
;
fl
.
fl_ip_sport
=
inet_sk
(
sk
)
->
sport
;
...
...
@@ -1725,9 +1727,10 @@ static int tcp_v6_rebuild_header(struct sock *sk)
struct
inet_opt
*
inet
=
inet_sk
(
sk
);
struct
flowi
fl
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
fl
.
proto
=
IPPROTO_TCP
;
fl
.
fl6_dst
=
&
np
->
daddr
;
fl
.
fl6_src
=
&
np
->
saddr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
np
->
daddr
)
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
np
->
saddr
)
;
fl
.
fl6_flowlabel
=
np
->
flow_label
;
fl
.
oif
=
sk
->
bound_dev_if
;
fl
.
fl_ip_dport
=
inet
->
dport
;
...
...
@@ -1735,7 +1738,7 @@ static int tcp_v6_rebuild_header(struct sock *sk)
if
(
np
->
opt
&&
np
->
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
np
->
opt
->
srcrt
;
fl
.
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
dst
=
ip6_route_output
(
sk
,
&
fl
);
...
...
@@ -1762,9 +1765,10 @@ static int tcp_v6_xmit(struct sk_buff *skb, int ipfragok)
struct
flowi
fl
;
struct
dst_entry
*
dst
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
fl
.
proto
=
IPPROTO_TCP
;
fl
.
fl6_dst
=
&
np
->
daddr
;
fl
.
fl6_src
=
&
np
->
saddr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
np
->
daddr
)
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
np
->
saddr
)
;
fl
.
fl6_flowlabel
=
np
->
flow_label
;
IP6_ECN_flow_xmit
(
sk
,
fl
.
fl6_flowlabel
);
fl
.
oif
=
sk
->
bound_dev_if
;
...
...
@@ -1773,7 +1777,7 @@ static int tcp_v6_xmit(struct sk_buff *skb, int ipfragok)
if
(
np
->
opt
&&
np
->
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
np
->
opt
->
srcrt
;
fl
.
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
dst
=
__sk_dst_check
(
sk
,
np
->
dst_cookie
);
...
...
@@ -1793,7 +1797,7 @@ static int tcp_v6_xmit(struct sk_buff *skb, int ipfragok)
skb
->
dst
=
dst_clone
(
dst
);
/* Restore final destination back after routing done */
fl
.
fl6_dst
=
&
np
->
daddr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
np
->
daddr
)
;
return
ip6_xmit
(
sk
,
skb
,
&
fl
,
np
->
opt
);
}
...
...
net/ipv6/udp.c
View file @
094694d0
...
...
@@ -270,7 +270,7 @@ int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
if
(
usin
->
sin6_family
!=
AF_INET6
)
return
-
EAFNOSUPPORT
;
fl
.
fl6_flowlabel
=
0
;
memset
(
&
fl
,
0
,
sizeof
(
fl
))
;
if
(
np
->
sndflow
)
{
fl
.
fl6_flowlabel
=
usin
->
sin6_flowinfo
&
IPV6_FLOWINFO_MASK
;
if
(
fl
.
fl6_flowlabel
&
IPV6_FLOWLABEL_MASK
)
{
...
...
@@ -350,8 +350,8 @@ int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
*/
fl
.
proto
=
IPPROTO_UDP
;
fl
.
fl6_dst
=
&
np
->
daddr
;
fl
.
fl6_src
=
&
saddr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
np
->
daddr
)
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
saddr
)
;
fl
.
oif
=
sk
->
bound_dev_if
;
fl
.
fl_ip_dport
=
inet
->
dport
;
fl
.
fl_ip_sport
=
inet
->
sport
;
...
...
@@ -362,11 +362,11 @@ int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
if
(
flowlabel
)
{
if
(
flowlabel
->
opt
&&
flowlabel
->
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
flowlabel
->
opt
->
srcrt
;
fl
.
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
}
else
if
(
np
->
opt
&&
np
->
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
np
->
opt
->
srcrt
;
fl
.
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
dst
=
ip6_route_output
(
sk
,
&
fl
);
...
...
@@ -377,7 +377,7 @@ int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
return
err
;
}
ip6_dst_store
(
sk
,
dst
,
fl
.
fl6_dst
);
ip6_dst_store
(
sk
,
dst
,
&
fl
.
fl6_dst
);
/* get the source address used in the appropriate device */
...
...
@@ -784,8 +784,8 @@ static int udp_v6_push_pending_frames(struct sock *sk, struct udp_opt *up)
if
(
skb_queue_len
(
&
sk
->
write_queue
)
==
1
)
{
skb
->
csum
=
csum_partial
((
char
*
)
uh
,
sizeof
(
struct
udphdr
),
skb
->
csum
);
uh
->
check
=
csum_ipv6_magic
(
fl
->
fl6_src
,
fl
->
fl6_dst
,
uh
->
check
=
csum_ipv6_magic
(
&
fl
->
fl6_src
,
&
fl
->
fl6_dst
,
up
->
len
,
fl
->
proto
,
skb
->
csum
);
}
else
{
u32
tmp_csum
=
0
;
...
...
@@ -795,8 +795,8 @@ static int udp_v6_push_pending_frames(struct sock *sk, struct udp_opt *up)
}
tmp_csum
=
csum_partial
((
char
*
)
uh
,
sizeof
(
struct
udphdr
),
tmp_csum
);
tmp_csum
=
csum_ipv6_magic
(
fl
->
fl6_src
,
fl
->
fl6_dst
,
tmp_csum
=
csum_ipv6_magic
(
&
fl
->
fl6_src
,
&
fl
->
fl6_dst
,
up
->
len
,
fl
->
proto
,
tmp_csum
);
uh
->
check
=
tmp_csum
;
...
...
@@ -819,7 +819,7 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
struct
inet_opt
*
inet
=
inet_sk
(
sk
);
struct
ipv6_pinfo
*
np
=
inet6_sk
(
sk
);
struct
sockaddr_in6
*
sin6
=
(
struct
sockaddr_in6
*
)
msg
->
msg_name
;
struct
in6_addr
*
daddr
,
*
saddr
=
NULL
;
struct
in6_addr
*
daddr
;
struct
ipv6_txoptions
*
opt
=
NULL
;
struct
ip6_flowlabel
*
flowlabel
=
NULL
;
struct
flowi
fl
;
...
...
@@ -849,8 +849,7 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
}
ulen
+=
sizeof
(
struct
udphdr
);
fl
.
fl6_flowlabel
=
0
;
fl
.
oif
=
0
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
if
(
sin6
)
{
if
(
sin6
->
sin6_family
==
AF_INET
)
{
...
...
@@ -919,7 +918,6 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
if
(
!
fl
.
oif
)
fl
.
oif
=
sk
->
bound_dev_if
;
fl
.
fl6_src
=
NULL
;
if
(
msg
->
msg_controllen
)
{
opt
=
&
opt_space
;
...
...
@@ -944,26 +942,27 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
opt
=
fl6_merge_options
(
&
opt_space
,
flowlabel
,
opt
);
fl
.
proto
=
IPPROTO_UDP
;
fl
.
fl6_dst
=
daddr
;
if
(
fl
.
fl6_src
==
NULL
&&
!
ipv6_addr_any
(
&
np
->
saddr
))
fl
.
fl6_src
=
&
np
->
saddr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
daddr
)
;
if
(
ipv6_addr_any
(
&
fl
.
fl6_src
)
&&
!
ipv6_addr_any
(
&
np
->
saddr
))
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
np
->
saddr
)
;
fl
.
fl_ip_dport
=
up
->
dport
;
fl
.
fl_ip_sport
=
inet
->
sport
;
/* merge ip6_build_xmit from ip6_output */
if
(
opt
&&
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
opt
->
srcrt
;
fl
.
fl6_dst
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
if
(
!
fl
.
oif
&&
ipv6_addr_is_multicast
(
fl
.
nl_u
.
ip6_u
.
daddr
))
if
(
!
fl
.
oif
&&
ipv6_addr_is_multicast
(
&
fl
.
fl6_dst
))
fl
.
oif
=
np
->
mcast_oif
;
err
=
ip6_dst_lookup
(
sk
,
&
dst
,
&
fl
,
&
saddr
);
if
(
err
)
goto
out
;
err
=
ip6_dst_lookup
(
sk
,
&
dst
,
&
fl
);
if
(
err
)
goto
out
;
if
(
hlimit
<
0
)
{
if
(
ipv6_addr_is_multicast
(
fl
.
fl6_dst
))
if
(
ipv6_addr_is_multicast
(
&
fl
.
fl6_dst
))
hlimit
=
np
->
mcast_hops
;
else
hlimit
=
np
->
hop_limit
;
...
...
@@ -998,13 +997,14 @@ static int udpv6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg
else
if
(
!
corkreq
)
err
=
udp_v6_push_pending_frames
(
sk
,
up
);
ip6_dst_store
(
sk
,
dst
,
fl
.
nl_u
.
ip6_u
.
daddr
==
&
np
->
daddr
?
&
np
->
daddr
:
NULL
);
ip6_dst_store
(
sk
,
dst
,
!
ipv6_addr_cmp
(
&
fl
.
fl6_dst
,
&
np
->
daddr
)
?
&
np
->
daddr
:
NULL
);
if
(
err
>
0
)
err
=
np
->
recverr
?
net_xmit_errno
(
err
)
:
0
;
release_sock
(
sk
);
out:
fl6_sock_release
(
flowlabel
);
if
(
saddr
)
kfree
(
saddr
);
if
(
!
err
)
{
UDP6_INC_STATS_USER
(
UdpOutDatagrams
);
return
len
;
...
...
net/ipv6/xfrm6_policy.c
View file @
094694d0
...
...
@@ -60,8 +60,8 @@ __xfrm6_find_bundle(struct flowi *fl, struct rtable *rt, struct xfrm_policy *pol
read_lock_bh
(
&
policy
->
lock
);
for
(
dst
=
policy
->
bundles
;
dst
;
dst
=
dst
->
next
)
{
struct
xfrm_dst
*
xdst
=
(
struct
xfrm_dst
*
)
dst
;
if
(
!
ipv6_addr_cmp
(
&
xdst
->
u
.
rt6
.
rt6i_dst
.
addr
,
fl
->
fl6_dst
)
&&
!
ipv6_addr_cmp
(
&
xdst
->
u
.
rt6
.
rt6i_src
.
addr
,
fl
->
fl6_src
)
&&
if
(
!
ipv6_addr_cmp
(
&
xdst
->
u
.
rt6
.
rt6i_dst
.
addr
,
&
fl
->
fl6_dst
)
&&
!
ipv6_addr_cmp
(
&
xdst
->
u
.
rt6
.
rt6i_src
.
addr
,
&
fl
->
fl6_src
)
&&
__xfrm6_bundle_ok
(
xdst
,
fl
))
{
dst_clone
(
dst
);
break
;
...
...
@@ -82,8 +82,8 @@ __xfrm6_bundle_create(struct xfrm_policy *policy, struct xfrm_state **xfrm, int
struct
dst_entry
*
dst
,
*
dst_prev
;
struct
rt6_info
*
rt0
=
(
struct
rt6_info
*
)(
*
dst_p
);
struct
rt6_info
*
rt
=
rt0
;
struct
in6_addr
*
remote
=
fl
->
fl6_dst
;
struct
in6_addr
*
local
=
fl
->
fl6_src
;
struct
in6_addr
*
remote
=
&
fl
->
fl6_dst
;
struct
in6_addr
*
local
=
&
fl
->
fl6_src
;
int
i
;
int
err
=
0
;
int
header_len
=
0
;
...
...
@@ -116,13 +116,15 @@ __xfrm6_bundle_create(struct xfrm_policy *policy, struct xfrm_state **xfrm, int
trailer_len
+=
xfrm
[
i
]
->
props
.
trailer_len
;
}
if
(
ipv6_addr_cmp
(
remote
,
fl
->
fl6_dst
))
{
struct
flowi
fl_tunnel
=
{
.
nl_u
=
{
.
ip6_u
=
{
.
daddr
=
remote
,
.
saddr
=
local
}
}
};
err
=
xfrm_dst_lookup
((
struct
xfrm_dst
**
)
&
rt
,
&
fl_tunnel
,
AF_INET6
);
if
(
ipv6_addr_cmp
(
remote
,
&
fl
->
fl6_dst
))
{
struct
flowi
fl_tunnel
;
memset
(
&
fl_tunnel
,
0
,
sizeof
(
fl_tunnel
));
ipv6_addr_copy
(
&
fl_tunnel
.
fl6_dst
,
remote
);
ipv6_addr_copy
(
&
fl_tunnel
.
fl6_src
,
local
);
err
=
xfrm_dst_lookup
((
struct
xfrm_dst
**
)
&
rt
,
&
fl_tunnel
,
AF_INET6
);
if
(
err
)
goto
error
;
}
else
{
...
...
@@ -175,8 +177,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl)
struct
ipv6_opt_hdr
*
exthdr
=
(
struct
ipv6_opt_hdr
*
)(
skb
->
nh
.
raw
+
offset
);
u8
nexthdr
=
skb
->
nh
.
ipv6h
->
nexthdr
;
fl
->
fl6_dst
=
&
hdr
->
daddr
;
fl
->
fl6_src
=
&
hdr
->
saddr
;
ipv6_addr_copy
(
&
fl
->
fl6_dst
,
&
hdr
->
daddr
)
;
ipv6_addr_copy
(
&
fl
->
fl6_src
,
&
hdr
->
saddr
)
;
while
(
pskb_may_pull
(
skb
,
skb
->
nh
.
raw
+
offset
+
1
-
skb
->
data
))
{
switch
(
nexthdr
)
{
...
...
net/ipv6/xfrm6_state.c
View file @
094694d0
...
...
@@ -25,8 +25,8 @@ __xfrm6_init_tempsel(struct xfrm_state *x, struct flowi *fl,
{
/* Initialize temporary selector matching only
* to current session. */
ipv6_addr_copy
((
struct
in6_addr
*
)
&
x
->
sel
.
daddr
,
fl
->
fl6_dst
);
ipv6_addr_copy
((
struct
in6_addr
*
)
&
x
->
sel
.
saddr
,
fl
->
fl6_src
);
ipv6_addr_copy
((
struct
in6_addr
*
)
&
x
->
sel
.
daddr
,
&
fl
->
fl6_dst
);
ipv6_addr_copy
((
struct
in6_addr
*
)
&
x
->
sel
.
saddr
,
&
fl
->
fl6_src
);
x
->
sel
.
dport
=
fl
->
fl_ip_dport
;
x
->
sel
.
dport_mask
=
~
0
;
x
->
sel
.
sport
=
fl
->
fl_ip_sport
;
...
...
net/sctp/ipv6.c
View file @
094694d0
...
...
@@ -144,17 +144,19 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
struct
ipv6_pinfo
*
np
=
inet6_sk
(
sk
);
struct
flowi
fl
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
fl
.
proto
=
sk
->
protocol
;
/* Fill in the dest address from the route entry passed with the skb
* and the source address from the transport.
*/
fl
.
fl6_dst
=
&
transport
->
ipaddr
.
v6
.
sin6_addr
;
fl
.
fl6_src
=
&
transport
->
saddr
.
v6
.
sin6_addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
transport
->
ipaddr
.
v6
.
sin6_addr
)
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
transport
->
saddr
.
v6
.
sin6_addr
)
;
fl
.
fl6_flowlabel
=
np
->
flow_label
;
IP6_ECN_flow_xmit
(
sk
,
fl
.
fl6_flowlabel
);
if
(
ipv6_addr_type
(
fl
.
fl6_src
)
&
IPV6_ADDR_LINKLOCAL
)
if
(
ipv6_addr_type
(
&
fl
.
fl6_src
)
&
IPV6_ADDR_LINKLOCAL
)
fl
.
oif
=
transport
->
saddr
.
v6
.
sin6_scope_id
;
else
fl
.
oif
=
sk
->
bound_dev_if
;
...
...
@@ -163,14 +165,14 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
if
(
np
->
opt
&&
np
->
opt
->
srcrt
)
{
struct
rt0_hdr
*
rt0
=
(
struct
rt0_hdr
*
)
np
->
opt
->
srcrt
;
fl
.
nl_u
.
ip6_u
.
daddr
=
rt0
->
addr
;
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
rt0
->
addr
)
;
}
SCTP_DEBUG_PRINTK
(
"%s: skb:%p, len:%d, "
"src:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x "
"dst:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x
\n
"
,
__FUNCTION__
,
skb
,
skb
->
len
,
NIP6
(
*
fl
.
fl6_src
),
NIP6
(
*
fl
.
fl6_dst
));
NIP6
(
fl
.
fl6_src
),
NIP6
(
fl
.
fl6_dst
));
SCTP_INC_STATS
(
SctpOutSCTPPacks
);
...
...
@@ -185,17 +187,19 @@ struct dst_entry *sctp_v6_get_dst(struct sctp_association *asoc,
union
sctp_addr
*
saddr
)
{
struct
dst_entry
*
dst
;
struct
flowi
fl
=
{
.
nl_u
=
{
.
ip6_u
=
{
.
daddr
=
&
daddr
->
v6
.
sin6_addr
,
}
}
};
struct
flowi
fl
;
memset
(
&
fl
,
0
,
sizeof
(
fl
));
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
daddr
->
v6
.
sin6_addr
);
SCTP_DEBUG_PRINTK
(
"%s: DST=%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x "
,
__FUNCTION__
,
NIP6
(
*
fl
.
fl6_dst
));
__FUNCTION__
,
NIP6
(
fl
.
fl6_dst
));
if
(
saddr
)
{
fl
.
fl6_src
=
&
saddr
->
v6
.
sin6_addr
;
ipv6_addr_copy
(
&
fl
.
fl6_src
,
&
saddr
->
v6
.
sin6_addr
)
;
SCTP_DEBUG_PRINTK
(
"SRC=%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x - "
,
NIP6
(
*
fl
.
fl6_src
));
NIP6
(
fl
.
fl6_src
));
}
dst
=
ip6_route_output
(
NULL
,
&
fl
);
...
...
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