ipv6: Use correct data types for ICMPv6 type and code

Change all the code that deals directly with ICMPv6 type and code
values to use u8 instead of a signed int as that's the actual data
type.

Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h
index 10d701e..b6a8518 100644 (file)
--- a/include/linux/icmpv6.h
+++ b/include/linux/icmpv6.h
@@ -175,16 +175,16 @@ struct icmp6_filter {
 
 
 extern void                            icmpv6_send(struct sk_buff *skb,
-                                                   int type, int code,
+                                                   u8 type, u8 code,
                                                    __u32 info, 
                                                    struct net_device *dev);
 
 extern int                             icmpv6_init(void);
-extern int                             icmpv6_err_convert(int type, int code,
+extern int                             icmpv6_err_convert(u8 type, u8 code,
                                                           int *err);
 extern void                            icmpv6_cleanup(void);
 extern void                            icmpv6_param_prob(struct sk_buff *skb,
-                                                         int code, int pos);
+                                                         u8 code, int pos);
 
 struct flowi;
 struct in6_addr;

diff --git a/include/net/protocol.h b/include/net/protocol.h
index ffa5b8b..1089d5a 100644 (file)
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -53,7 +53,7 @@ struct inet6_protocol
 
        void    (*err_handler)(struct sk_buff *skb,
                               struct inet6_skb_parm *opt,
-                              int type, int code, int offset,
+                              u8 type, u8 code, int offset,
                               __be32 info);
 
        int     (*gso_send_check)(struct sk_buff *skb);

diff --git a/include/net/rawv6.h b/include/net/rawv6.h
index 8a22599..f6b9b83 100644 (file)
--- a/include/net/rawv6.h
+++ b/include/net/rawv6.h
@@ -6,7 +6,7 @@
 #include <net/protocol.h>
 
 void raw6_icmp_error(struct sk_buff *, int nexthdr,
-               int type, int code, int inner_offset, __be32);
+               u8 type, u8 code, int inner_offset, __be32);
 int raw6_local_deliver(struct sk_buff *, int);
 
 extern int                     rawv6_rcv(struct sock *sk,

diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 736bca4..9e3a3f4 100644 (file)
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1274,7 +1274,7 @@ struct xfrm_tunnel {
 struct xfrm6_tunnel {
        int (*handler)(struct sk_buff *skb);
        int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                          int type, int code, int offset, __be32 info);
+                          u8 type, u8 code, int offset, __be32 info);
        struct xfrm6_tunnel *next;
        int priority;
 };

diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 05ea744..3e70faa 100644 (file)
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -85,7 +85,7 @@ static inline __u32 dccp_v6_init_sequence(struct sk_buff *skb)
 }
 
 static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                       int type, int code, int offset, __be32 info)
+                       u8 type, u8 code, int offset, __be32 info)
 {
        struct ipv6hdr *hdr = (struct ipv6hdr *)skb->data;
        const struct dccp_hdr *dh = (struct dccp_hdr *)(skb->data + offset);

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 52449f7..86f42a2 100644 (file)
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -405,7 +405,7 @@ out:
 }
 
 static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                   int type, int code, int offset, __be32 info)
+                   u8 type, u8 code, int offset, __be32 info)
 {
        struct net *net = dev_net(skb->dev);
        struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;

diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index c2f2501..678bb95 100644 (file)
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -354,7 +354,7 @@ static u32 esp6_get_mtu(struct xfrm_state *x, int mtu)
 }
 
 static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                    int type, int code, int offset, __be32 info)
+                    u8 type, u8 code, int offset, __be32 info)
 {
        struct net *net = dev_net(skb->dev);
        struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 36dff88..eab62a7 100644 (file)
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -117,7 +117,7 @@ static __inline__ void icmpv6_xmit_unlock(struct sock *sk)
 /*
  * Slightly more convenient version of icmpv6_send.
  */
-void icmpv6_param_prob(struct sk_buff *skb, int code, int pos)
+void icmpv6_param_prob(struct sk_buff *skb, u8 code, int pos)
 {
        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos, skb->dev);
        kfree_skb(skb);
@@ -161,7 +161,7 @@ static int is_ineligible(struct sk_buff *skb)
 /*
  * Check the ICMP output rate limit
  */
-static inline int icmpv6_xrlim_allow(struct sock *sk, int type,
+static inline int icmpv6_xrlim_allow(struct sock *sk, u8 type,
                                     struct flowi *fl)
 {
        struct dst_entry *dst;
@@ -305,7 +305,7 @@ static inline void mip6_addr_swap(struct sk_buff *skb) {}
 /*
  *     Send an ICMP message in response to a packet in error
  */
-void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
+void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
                 struct net_device *dev)
 {
        struct net *net = dev_net(skb->dev);
@@ -590,7 +590,7 @@ out:
        icmpv6_xmit_unlock(sk);
 }
 
-static void icmpv6_notify(struct sk_buff *skb, int type, int code, __be32 info)
+static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info)
 {
        struct inet6_protocol *ipprot;
        int inner_offset;
@@ -643,7 +643,7 @@ static int icmpv6_rcv(struct sk_buff *skb)
        struct in6_addr *saddr, *daddr;
        struct ipv6hdr *orig_hdr;
        struct icmp6hdr *hdr;
-       int type;
+       u8 type;
 
        if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
                struct sec_path *sp = skb_sec_path(skb);
@@ -914,7 +914,7 @@ static const struct icmp6_err {
        },
 };
 
-int icmpv6_err_convert(int type, int code, int *err)
+int icmpv6_err_convert(u8 type, u8 code, int *err)
 {
        int fatal = 0;
 

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 404d16a..51f410e 100644 (file)
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -394,13 +394,13 @@ parse_tlv_tnl_enc_lim(struct sk_buff *skb, __u8 * raw)
 
 static int
 ip6_tnl_err(struct sk_buff *skb, __u8 ipproto, struct inet6_skb_parm *opt,
-           int *type, int *code, int *msg, __u32 *info, int offset)
+           u8 *type, u8 *code, int *msg, __u32 *info, int offset)
 {
        struct ipv6hdr *ipv6h = (struct ipv6hdr *) skb->data;
        struct ip6_tnl *t;
        int rel_msg = 0;
-       int rel_type = ICMPV6_DEST_UNREACH;
-       int rel_code = ICMPV6_ADDR_UNREACH;
+       u8 rel_type = ICMPV6_DEST_UNREACH;
+       u8 rel_code = ICMPV6_ADDR_UNREACH;
        __u32 rel_info = 0;
        __u16 len;
        int err = -ENOENT;
@@ -488,11 +488,11 @@ out:
 
 static int
 ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-          int type, int code, int offset, __be32 info)
+          u8 type, u8 code, int offset, __be32 info)
 {
        int rel_msg = 0;
-       int rel_type = type;
-       int rel_code = code;
+       u8 rel_type = type;
+       u8 rel_code = code;
        __u32 rel_info = ntohl(info);
        int err;
        struct sk_buff *skb2;
@@ -586,11 +586,11 @@ out:
 
 static int
 ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-          int type, int code, int offset, __be32 info)
+          u8 type, u8 code, int offset, __be32 info)
 {
        int rel_msg = 0;
-       int rel_type = type;
-       int rel_code = code;
+       u8 rel_type = type;
+       u8 rel_code = code;
        __u32 rel_info = ntohl(info);
        int err;
 

diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 3a0b3be..79c172f 100644 (file)
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -51,7 +51,7 @@
 #include <linux/mutex.h>
 
 static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                               int type, int code, int offset, __be32 info)
+                               u8 type, u8 code, int offset, __be32 info)
 {
        __be32 spi;
        struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;

diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index f995e19..f797e8c 100644 (file)
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -54,7 +54,7 @@ static inline void *mip6_padn(__u8 *data, __u8 padlen)
        return data + padlen;
 }
 
-static inline void mip6_param_prob(struct sk_buff *skb, int code, int pos)
+static inline void mip6_param_prob(struct sk_buff *skb, u8 code, int pos)
 {
        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos, skb->dev);
 }

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 8b0b6f9..d6c3c1c 100644 (file)
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -310,7 +310,7 @@ out:
 
 static void rawv6_err(struct sock *sk, struct sk_buff *skb,
               struct inet6_skb_parm *opt,
-              int type, int code, int offset, __be32 info)
+              u8 type, u8 code, int offset, __be32 info)
 {
        struct inet_sock *inet = inet_sk(sk);
        struct ipv6_pinfo *np = inet6_sk(sk);
@@ -343,7 +343,7 @@ static void rawv6_err(struct sock *sk, struct sk_buff *skb,
 }
 
 void raw6_icmp_error(struct sk_buff *skb, int nexthdr,
-               int type, int code, int inner_offset, __be32 info)
+               u8 type, u8 code, int inner_offset, __be32 info)
 {
        struct sock *sk;
        int hash;

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 658293e..1473ee0 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1865,7 +1865,7 @@ int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg)
  *     Drop the packet on the floor
  */
 
-static int ip6_pkt_drop(struct sk_buff *skb, int code, int ipstats_mib_noroutes)
+static int ip6_pkt_drop(struct sk_buff *skb, u8 code, int ipstats_mib_noroutes)
 {
        int type;
        struct dst_entry *dst = skb_dst(skb);

diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 53b6a41..58810c6 100644 (file)
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -317,7 +317,7 @@ failure:
 }
 
 static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-               int type, int code, int offset, __be32 info)
+               u8 type, u8 code, int offset, __be32 info)
 {
        struct ipv6hdr *hdr = (struct ipv6hdr*)skb->data;
        const struct tcphdr *th = (struct tcphdr *)(skb->data+offset);

diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 669f280..633ad78 100644 (file)
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -124,7 +124,7 @@ drop:
 }
 
 static void tunnel6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                       int type, int code, int offset, __be32 info)
+                       u8 type, u8 code, int offset, __be32 info)
 {
        struct xfrm6_tunnel *handler;
 

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 023beda..33b59bd 100644 (file)
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -312,7 +312,7 @@ csum_copy_err:
 }
 
 void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                   int type, int code, int offset, __be32 info,
+                   u8 type, u8 code, int offset, __be32 info,
                    struct udp_table *udptable)
 {
        struct ipv6_pinfo *np;
@@ -346,8 +346,8 @@ out:
 }
 
 static __inline__ void udpv6_err(struct sk_buff *skb,
-                                struct inet6_skb_parm *opt, int type,
-                                int code, int offset, __be32 info     )
+                                struct inet6_skb_parm *opt, u8 type,
+                                u8 code, int offset, __be32 info     )
 {
        __udp6_lib_err(skb, opt, type, code, offset, info, &udp_table);
 }

diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index 2377920..6bb3034 100644 (file)
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -9,7 +9,7 @@
 
 extern int     __udp6_lib_rcv(struct sk_buff *, struct udp_table *, int );
 extern void    __udp6_lib_err(struct sk_buff *, struct inet6_skb_parm *,
-                              int , int , int , __be32 , struct udp_table *);
+                              u8 , u8 , int , __be32 , struct udp_table *);
 
 extern int     udp_v6_get_port(struct sock *sk, unsigned short snum);
 

diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index ba162a8..4818c48 100644 (file)
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -20,7 +20,7 @@ static int udplitev6_rcv(struct sk_buff *skb)
 
 static void udplitev6_err(struct sk_buff *skb,
                          struct inet6_skb_parm *opt,
-                         int type, int code, int offset, __be32 info)
+                         u8 type, u8 code, int offset, __be32 info)
 {
        __udp6_lib_err(skb, opt, type, code, offset, info, &udplite_table);
 }

diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 80193db..81a95c0 100644 (file)
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -262,7 +262,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb)
 }
 
 static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                           int type, int code, int offset, __be32 info)
+                           u8 type, u8 code, int offset, __be32 info)
 {
        /* xfrm6_tunnel native err handling */
        switch (type) {

diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index a63de3f..6a4b190 100644 (file)
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -133,7 +133,7 @@ static struct notifier_block sctp_inet6addr_notifier = {
 
 /* ICMP error handler. */
 SCTP_STATIC void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
-                            int type, int code, int offset, __be32 info)
+                            u8 type, u8 code, int offset, __be32 info)
 {
        struct inet6_dev *idev;
        struct sock *sk;