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Kirill Smelkov
linux
Commits
1e4ae39d
Commit
1e4ae39d
authored
Jun 06, 2003
by
Sridhar Samudrala
Committed by
Christoph Hellwig
Jun 06, 2003
Browse files
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Plain Diff
[IPV6]: Allow ipv6 fragmentation via ip6_xmit() when ipfragok is set.
parent
000936d4
Changes
4
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Showing
4 changed files
with
10 additions
and
8 deletions
+10
-8
include/net/ipv6.h
include/net/ipv6.h
+2
-1
net/ipv6/ip6_output.c
net/ipv6/ip6_output.c
+3
-2
net/ipv6/tcp_ipv6.c
net/ipv6/tcp_ipv6.c
+4
-4
net/sctp/ipv6.c
net/sctp/ipv6.c
+1
-1
No files found.
include/net/ipv6.h
View file @
1e4ae39d
...
...
@@ -299,7 +299,8 @@ extern int ipv6_rcv(struct sk_buff *skb,
extern
int
ip6_xmit
(
struct
sock
*
sk
,
struct
sk_buff
*
skb
,
struct
flowi
*
fl
,
struct
ipv6_txoptions
*
opt
);
struct
ipv6_txoptions
*
opt
,
int
ipfragok
);
extern
int
ip6_nd_hdr
(
struct
sock
*
sk
,
struct
sk_buff
*
skb
,
...
...
net/ipv6/ip6_output.c
View file @
1e4ae39d
...
...
@@ -196,7 +196,7 @@ static inline int ip6_maybe_reroute(struct sk_buff *skb)
*/
int
ip6_xmit
(
struct
sock
*
sk
,
struct
sk_buff
*
skb
,
struct
flowi
*
fl
,
struct
ipv6_txoptions
*
opt
)
struct
ipv6_txoptions
*
opt
,
int
ipfragok
)
{
struct
ipv6_pinfo
*
np
=
sk
?
inet6_sk
(
sk
)
:
NULL
;
struct
in6_addr
*
first_hop
=
&
fl
->
fl6_dst
;
...
...
@@ -258,13 +258,14 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
ipv6_addr_copy
(
&
hdr
->
daddr
,
first_hop
);
mtu
=
dst_pmtu
(
dst
);
if
(
skb
->
len
<=
mtu
)
{
if
(
(
skb
->
len
<=
mtu
)
||
ipfragok
)
{
IP6_INC_STATS
(
Ip6OutRequests
);
return
NF_HOOK
(
PF_INET6
,
NF_IP6_LOCAL_OUT
,
skb
,
NULL
,
dst
->
dev
,
ip6_maybe_reroute
);
}
if
(
net_ratelimit
())
printk
(
KERN_DEBUG
"IPv6: sending pkt_too_big to self
\n
"
);
skb
->
dev
=
dst
->
dev
;
icmpv6_send
(
skb
,
ICMPV6_PKT_TOOBIG
,
0
,
mtu
,
skb
->
dev
);
kfree_skb
(
skb
);
return
-
EMSGSIZE
;
...
...
net/ipv6/tcp_ipv6.c
View file @
1e4ae39d
...
...
@@ -939,7 +939,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct open_request *req,
csum_partial
((
char
*
)
th
,
skb
->
len
,
skb
->
csum
));
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
req
->
af
.
v6_req
.
rmt_addr
);
err
=
ip6_xmit
(
sk
,
skb
,
&
fl
,
opt
);
err
=
ip6_xmit
(
sk
,
skb
,
&
fl
,
opt
,
0
);
if
(
err
==
NET_XMIT_CN
)
err
=
0
;
}
...
...
@@ -1057,7 +1057,7 @@ static void tcp_v6_send_reset(struct sk_buff *skb)
buff
->
dst
=
ip6_route_output
(
NULL
,
&
fl
);
if
(
buff
->
dst
->
error
==
0
)
{
ip6_xmit
(
NULL
,
buff
,
&
fl
,
NULL
);
ip6_xmit
(
NULL
,
buff
,
&
fl
,
NULL
,
0
);
TCP_INC_STATS_BH
(
TcpOutSegs
);
TCP_INC_STATS_BH
(
TcpOutRsts
);
return
;
...
...
@@ -1120,7 +1120,7 @@ static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32
buff
->
dst
=
ip6_route_output
(
NULL
,
&
fl
);
if
(
buff
->
dst
->
error
==
0
)
{
ip6_xmit
(
NULL
,
buff
,
&
fl
,
NULL
);
ip6_xmit
(
NULL
,
buff
,
&
fl
,
NULL
,
0
);
TCP_INC_STATS_BH
(
TcpOutSegs
);
return
;
}
...
...
@@ -1823,7 +1823,7 @@ static int tcp_v6_xmit(struct sk_buff *skb, int ipfragok)
/* Restore final destination back after routing done */
ipv6_addr_copy
(
&
fl
.
fl6_dst
,
&
np
->
daddr
);
return
ip6_xmit
(
sk
,
skb
,
&
fl
,
np
->
opt
);
return
ip6_xmit
(
sk
,
skb
,
&
fl
,
np
->
opt
,
0
);
}
static
void
v6_addr2sockaddr
(
struct
sock
*
sk
,
struct
sockaddr
*
uaddr
)
...
...
net/sctp/ipv6.c
View file @
1e4ae39d
...
...
@@ -176,7 +176,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport,
SCTP_INC_STATS
(
SctpOutSCTPPacks
);
return
ip6_xmit
(
sk
,
skb
,
&
fl
,
np
->
opt
);
return
ip6_xmit
(
sk
,
skb
,
&
fl
,
np
->
opt
,
ipfragok
);
}
/* Returns the dst cache entry for the given source and destination ip
...
...
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