void __user *arg);
extern int ipv6_chk_addr(struct net *net,
- struct in6_addr *addr,
+ const struct in6_addr *addr,
struct net_device *dev,
int strict);
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
extern int ipv6_chk_home_addr(struct net *net,
- struct in6_addr *addr);
+ const struct in6_addr *addr);
#endif
-extern int ipv6_chk_prefix(struct in6_addr *addr,
+extern int ipv6_chk_prefix(const struct in6_addr *addr,
struct net_device *dev);
extern struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
extern int ipv6_rcv_saddr_equal(const struct sock *sk,
const struct sock *sk2);
extern void addrconf_join_solict(struct net_device *dev,
- struct in6_addr *addr);
+ const struct in6_addr *addr);
extern void addrconf_leave_solict(struct inet6_dev *idev,
- struct in6_addr *addr);
+ const struct in6_addr *addr);
static inline unsigned long addrconf_timeout_fixup(u32 timeout,
unsigned unit)
/*
* anycast prototypes (anycast.c)
*/
-extern int ipv6_sock_ac_join(struct sock *sk,int ifindex,struct in6_addr *addr);
-extern int ipv6_sock_ac_drop(struct sock *sk,int ifindex,struct in6_addr *addr);
+extern int ipv6_sock_ac_join(struct sock *sk,int ifindex, const struct in6_addr *addr);
+extern int ipv6_sock_ac_drop(struct sock *sk,int ifindex, const struct in6_addr *addr);
extern void ipv6_sock_ac_close(struct sock *sk);
-extern int inet6_ac_check(struct sock *sk, struct in6_addr *addr, int ifindex);
+extern int inet6_ac_check(struct sock *sk, const struct in6_addr *addr, int ifindex);
-extern int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr);
-extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr);
+extern int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr);
+extern int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr);
extern int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
- struct in6_addr *addr);
+ const struct in6_addr *addr);
/* Device notifier */
struct rcu_head rcu;
};
-static inline void ipv6_eth_mc_map(struct in6_addr *addr, char *buf)
+static inline void ipv6_eth_mc_map(const struct in6_addr *addr, char *buf)
{
/*
* +-------+-------+-------+-------+-------+-------+
memcpy(buf + 2, &addr->s6_addr32[3], sizeof(__u32));
}
-static inline void ipv6_tr_mc_map(struct in6_addr *addr, char *buf)
+static inline void ipv6_tr_mc_map(const struct in6_addr *addr, char *buf)
{
/* All nodes FF01::1, FF02::1, FF02::1:FFxx:xxxx */
return inet_getpeer(&daddr, create);
}
-static inline struct inet_peer *inet_getpeer_v6(struct in6_addr *v6daddr, int create)
+static inline struct inet_peer *inet_getpeer_v6(const struct in6_addr *v6daddr, int create)
{
struct inetpeer_addr daddr;
pol_lookup_t lookup);
extern struct fib6_node *fib6_lookup(struct fib6_node *root,
- struct in6_addr *daddr,
- struct in6_addr *saddr);
+ const struct in6_addr *daddr,
+ const struct in6_addr *saddr);
struct fib6_node *fib6_locate(struct fib6_node *root,
- struct in6_addr *daddr, int dst_len,
- struct in6_addr *saddr, int src_len);
+ const struct in6_addr *daddr, int dst_len,
+ const struct in6_addr *saddr, int src_len);
extern void fib6_clean_all(struct net *net,
int (*func)(struct rt6_info *, void *arg),
extern int ip6_route_get_saddr(struct net *net,
struct rt6_info *rt,
- struct in6_addr *daddr,
+ const struct in6_addr *daddr,
unsigned int prefs,
struct in6_addr *saddr);
* support functions for ND
*
*/
-extern struct rt6_info * rt6_get_dflt_router(struct in6_addr *addr,
+extern struct rt6_info * rt6_get_dflt_router(const struct in6_addr *addr,
struct net_device *dev);
-extern struct rt6_info * rt6_add_dflt_router(struct in6_addr *gwaddr,
+extern struct rt6_info * rt6_add_dflt_router(const struct in6_addr *gwaddr,
struct net_device *dev,
unsigned int pref);
extern int rt6_route_rcv(struct net_device *dev,
u8 *opt, int len,
- struct in6_addr *gwaddr);
+ const struct in6_addr *gwaddr);
-extern void rt6_redirect(struct in6_addr *dest,
- struct in6_addr *src,
- struct in6_addr *saddr,
+extern void rt6_redirect(const struct in6_addr *dest,
+ const struct in6_addr *src,
+ const struct in6_addr *saddr,
struct neighbour *neigh,
u8 *lladdr,
int on_link);
-extern void rt6_pmtu_discovery(struct in6_addr *daddr,
- struct in6_addr *saddr,
+extern void rt6_pmtu_discovery(const struct in6_addr *daddr,
+ const struct in6_addr *saddr,
struct net_device *dev,
u32 pmtu);
struct ip6_create_arg {
__be32 id;
u32 user;
- struct in6_addr *src;
- struct in6_addr *dst;
+ const struct in6_addr *src;
+ const struct in6_addr *dst;
};
void ip6_frag_init(struct inet_frag_queue *q, void *a);
struct neighbour *neigh,
const struct in6_addr *target);
-extern int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir);
+extern int ndisc_mc_map(const struct in6_addr *addr, char *buf,
+ struct net_device *dev, int dir);
extern struct sk_buff *ndisc_build_skb(struct net_device *dev,
const struct in6_addr *daddr,
return ip_route_input_common(skb, dst, src, tos, devin, true);
}
-extern unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph, unsigned short new_mtu, struct net_device *dev);
+extern unsigned short ip_rt_frag_needed(struct net *net, const struct iphdr *iph,
+ unsigned short new_mtu, struct net_device *dev);
extern void ip_rt_send_redirect(struct sk_buff *skb);
extern unsigned inet_addr_type(struct net *net, __be32 addr);
extern int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family);
extern int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family);
extern __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr);
-extern __be32 xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr);
+extern __be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr);
extern int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
extern int xfrm6_output(struct sk_buff *skb);
case AF_INET:
return (__force u32)a->a4 - (__force u32)b->a4;
case AF_INET6:
- return ipv6_addr_cmp((struct in6_addr *)a,
- (struct in6_addr *)b);
+ return ipv6_addr_cmp((const struct in6_addr *)a,
+ (const struct in6_addr *)b);
}
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
static struct sk_buff *br_ip6_multicast_alloc_query(struct net_bridge *br,
- struct in6_addr *group)
+ const struct in6_addr *group)
{
struct sk_buff *skb;
struct ipv6hdr *ip6h;
struct net_bridge_port *port,
struct sk_buff *skb)
{
- struct iphdr *iph = ip_hdr(skb);
+ const struct iphdr *iph = ip_hdr(skb);
struct igmphdr *ih = igmp_hdr(skb);
struct net_bridge_mdb_entry *mp;
struct igmpv3_query *ih3;
struct net_bridge_port *port,
struct sk_buff *skb)
{
- struct ipv6hdr *ip6h = ipv6_hdr(skb);
+ const struct ipv6hdr *ip6h = ipv6_hdr(skb);
struct mld_msg *mld = (struct mld_msg *) icmp6_hdr(skb);
struct net_bridge_mdb_entry *mp;
struct mld2_query *mld2q;
struct net_bridge_port_group __rcu **pp;
unsigned long max_delay;
unsigned long now = jiffies;
- struct in6_addr *group = NULL;
+ const struct in6_addr *group = NULL;
int err = 0;
spin_lock(&br->multicast_lock);
struct sk_buff *skb)
{
struct sk_buff *skb2 = skb;
- struct iphdr *iph;
+ const struct iphdr *iph;
struct igmphdr *ih;
unsigned len;
unsigned offset;
struct sk_buff *skb)
{
struct sk_buff *skb2;
- struct ipv6hdr *ip6h;
+ const struct ipv6hdr *ip6h;
struct icmp6hdr *icmp6h;
u8 nexthdr;
unsigned len;
static int br_parse_ip_options(struct sk_buff *skb)
{
struct ip_options *opt;
- struct iphdr *iph;
+ const struct iphdr *iph;
struct net_device *dev = skb->dev;
u32 len;
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- struct ipv6hdr *hdr;
+ const struct ipv6hdr *hdr;
u32 pkt_len;
if (skb->len < sizeof(struct ipv6hdr))
__u32 __skb_get_rxhash(struct sk_buff *skb)
{
int nhoff, hash = 0, poff;
- struct ipv6hdr *ip6;
- struct iphdr *ip;
+ const struct ipv6hdr *ip6;
+ const struct iphdr *ip;
u8 ip_proto;
u32 addr1, addr2, ihl;
union {
if (!pskb_may_pull(skb, sizeof(*ip) + nhoff))
goto done;
- ip = (struct iphdr *) (skb->data + nhoff);
+ ip = (const struct iphdr *) (skb->data + nhoff);
if (ip->frag_off & htons(IP_MF | IP_OFFSET))
ip_proto = 0;
else
if (!pskb_may_pull(skb, sizeof(*ip6) + nhoff))
goto done;
- ip6 = (struct ipv6hdr *) (skb->data + nhoff);
+ ip6 = (const struct ipv6hdr *) (skb->data + nhoff);
ip_proto = ip6->nexthdr;
addr1 = (__force u32) ip6->saddr.s6_addr32[3];
addr2 = (__force u32) ip6->daddr.s6_addr32[3];
{
int proto, len, ulen;
int hits = 0;
- struct iphdr *iph;
+ const struct iphdr *iph;
struct udphdr *uh;
struct netpoll_info *npinfo = skb->dev->npinfo;
struct netpoll *np, *tmp;
/* add pseudo-header to DCCP checksum stored in skb->csum */
static inline __sum16 dccp_v6_csum_finish(struct sk_buff *skb,
- struct in6_addr *saddr,
- struct in6_addr *daddr)
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr)
{
return csum_ipv6_magic(saddr, daddr, skb->len, IPPROTO_DCCP, skb->csum);
}
static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info)
{
- struct ipv6hdr *hdr = (struct ipv6hdr *)skb->data;
+ const struct ipv6hdr *hdr = (const struct ipv6hdr *)skb->data;
const struct dccp_hdr *dh = (struct dccp_hdr *)(skb->data + offset);
struct dccp_sock *dp;
struct ipv6_pinfo *np;
static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
{
- struct ipv6hdr *rxip6h;
+ const struct ipv6hdr *rxip6h;
struct sk_buff *skb;
struct flowi6 fl6;
struct net *net = dev_net(skb_dst(rxskb)->dev);
static int inet_gso_send_check(struct sk_buff *skb)
{
- struct iphdr *iph;
+ const struct iphdr *iph;
const struct net_protocol *ops;
int proto;
int ihl;
const struct net_protocol *ops;
struct sk_buff **pp = NULL;
struct sk_buff *p;
- struct iphdr *iph;
+ const struct iphdr *iph;
unsigned int hlen;
unsigned int off;
unsigned int id;
* into IP header for icv calculation. Options are already checked
* for validity, so paranoia is not required. */
-static int ip_clear_mutable_options(struct iphdr *iph, __be32 *daddr)
+static int ip_clear_mutable_options(const struct iphdr *iph, __be32 *daddr)
{
unsigned char * optptr = (unsigned char*)(iph+1);
int l = iph->ihl*4 - sizeof(struct iphdr);
static void ah4_err(struct sk_buff *skb, u32 info)
{
struct net *net = dev_net(skb->dev);
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct ip_auth_hdr *ah = (struct ip_auth_hdr *)(skb->data+(iph->ihl<<2));
struct xfrm_state *x;
icmp_hdr(skb)->code != ICMP_FRAG_NEEDED)
return;
- x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET);
+ x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+ ah->spi, IPPROTO_AH, AF_INET);
if (!x)
return;
printk(KERN_DEBUG "pmtu discovery on SA AH/%08x/%08x\n",
static int esp_input_done2(struct sk_buff *skb, int err)
{
- struct iphdr *iph;
+ const struct iphdr *iph;
struct xfrm_state *x = xfrm_input_state(skb);
struct esp_data *esp = x->data;
struct crypto_aead *aead = esp->aead;
static void esp4_err(struct sk_buff *skb, u32 info)
{
struct net *net = dev_net(skb->dev);
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct ip_esp_hdr *esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2));
struct xfrm_state *x;
icmp_hdr(skb)->code != ICMP_FRAG_NEEDED)
return;
- x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET);
+ x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+ esph->spi, IPPROTO_ESP, AF_INET);
if (!x)
return;
NETDEBUG(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%08x\n",
}
static struct rtable *icmp_route_lookup(struct net *net, struct sk_buff *skb_in,
- struct iphdr *iph,
+ const struct iphdr *iph,
__be32 saddr, u8 tos,
int type, int code,
struct icmp_bxm *param)
static void icmp_unreach(struct sk_buff *skb)
{
- struct iphdr *iph;
+ const struct iphdr *iph;
struct icmphdr *icmph;
int hash, protocol;
const struct net_protocol *ipprot;
goto out_err;
icmph = icmp_hdr(skb);
- iph = (struct iphdr *)skb->data;
+ iph = (const struct iphdr *)skb->data;
if (iph->ihl < 5) /* Mangled header, drop. */
goto out_err;
if (!pskb_may_pull(skb, iph->ihl * 4 + 8))
goto out;
- iph = (struct iphdr *)skb->data;
+ iph = (const struct iphdr *)skb->data;
protocol = iph->protocol;
/*
static void icmp_redirect(struct sk_buff *skb)
{
- struct iphdr *iph;
+ const struct iphdr *iph;
if (skb->len < sizeof(struct iphdr))
goto out_err;
if (!pskb_may_pull(skb, sizeof(struct iphdr)))
goto out;
- iph = (struct iphdr *)skb->data;
+ iph = (const struct iphdr *)skb->data;
switch (icmp_hdr(skb)->code & 7) {
case ICMP_REDIR_NET:
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
if (r->idiag_family == AF_INET6) {
- struct ipv6_pinfo *np = inet6_sk(sk);
+ const struct ipv6_pinfo *np = inet6_sk(sk);
ipv6_addr_copy((struct in6_addr *)r->id.idiag_src,
&np->rcv_saddr);
* Basic tcp checks whether packet is suitable for LRO
*/
-static int lro_tcp_ip_check(struct iphdr *iph, struct tcphdr *tcph,
- int len, struct net_lro_desc *lro_desc)
+static int lro_tcp_ip_check(const struct iphdr *iph, const struct tcphdr *tcph,
+ int len, const struct net_lro_desc *lro_desc)
{
/* check ip header: don't aggregate padded frames */
if (ntohs(iph->tot_len) != len)
by themself???
*/
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
__be16 *p = (__be16*)(skb->data+(iph->ihl<<2));
int grehlen = (iph->ihl<<2) + 4;
const int type = icmp_hdr(skb)->type;
rcu_read_unlock();
}
-static inline void ipgre_ecn_decapsulate(struct iphdr *iph, struct sk_buff *skb)
+static inline void ipgre_ecn_decapsulate(const struct iphdr *iph, struct sk_buff *skb)
{
if (INET_ECN_is_ce(iph->tos)) {
if (skb->protocol == htons(ETH_P_IP)) {
}
static inline u8
-ipgre_ecn_encapsulate(u8 tos, struct iphdr *old_iph, struct sk_buff *skb)
+ipgre_ecn_encapsulate(u8 tos, const struct iphdr *old_iph, struct sk_buff *skb)
{
u8 inner = 0;
if (skb->protocol == htons(ETH_P_IP))
inner = old_iph->tos;
else if (skb->protocol == htons(ETH_P_IPV6))
- inner = ipv6_get_dsfield((struct ipv6hdr *)old_iph);
+ inner = ipv6_get_dsfield((const struct ipv6hdr *)old_iph);
return INET_ECN_encapsulate(tos, inner);
}
static int ipgre_rcv(struct sk_buff *skb)
{
- struct iphdr *iph;
+ const struct iphdr *iph;
u8 *h;
__be16 flags;
__sum16 csum = 0;
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct pcpu_tstats *tstats;
- struct iphdr *old_iph = ip_hdr(skb);
- struct iphdr *tiph;
+ const struct iphdr *old_iph = ip_hdr(skb);
+ const struct iphdr *tiph;
u8 tos;
__be16 df;
struct rtable *rt; /* Route to the other host */
if (dev->header_ops && dev->type == ARPHRD_IPGRE) {
gre_hlen = 0;
- tiph = (struct iphdr *)skb->data;
+ tiph = (const struct iphdr *)skb->data;
} else {
gre_hlen = tunnel->hlen;
tiph = &tunnel->parms.iph;
}
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (skb->protocol == htons(ETH_P_IPV6)) {
- struct in6_addr *addr6;
+ const struct in6_addr *addr6;
int addr_type;
struct neighbour *neigh = skb_dst(skb)->neighbour;
if (neigh == NULL)
goto tx_error;
- addr6 = (struct in6_addr *)&neigh->primary_key;
+ addr6 = (const struct in6_addr *)&neigh->primary_key;
addr_type = ipv6_addr_type(addr6);
if (addr_type == IPV6_ADDR_ANY) {
if (skb->protocol == htons(ETH_P_IP))
tos = old_iph->tos;
else if (skb->protocol == htons(ETH_P_IPV6))
- tos = ipv6_get_dsfield((struct ipv6hdr *)old_iph);
+ tos = ipv6_get_dsfield((const struct ipv6hdr *)old_iph);
}
rt = ip_route_output_gre(dev_net(dev), dst, tiph->saddr,
iph->ttl = old_iph->ttl;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
else if (skb->protocol == htons(ETH_P_IPV6))
- iph->ttl = ((struct ipv6hdr *)old_iph)->hop_limit;
+ iph->ttl = ((const struct ipv6hdr *)old_iph)->hop_limit;
#endif
else
iph->ttl = ip4_dst_hoplimit(&rt->dst);
{
struct net_device *tdev = NULL;
struct ip_tunnel *tunnel;
- struct iphdr *iph;
+ const struct iphdr *iph;
int hlen = LL_MAX_HEADER;
int mtu = ETH_DATA_LEN;
int addend = sizeof(struct iphdr) + 4;
static int ipgre_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{
- struct iphdr *iph = (struct iphdr *) skb_mac_header(skb);
+ const struct iphdr *iph = (const struct iphdr *) skb_mac_header(skb);
memcpy(haddr, &iph->saddr, 4);
return 4;
}
static inline int ip_rcv_options(struct sk_buff *skb)
{
struct ip_options *opt;
- struct iphdr *iph;
+ const struct iphdr *iph;
struct net_device *dev = skb->dev;
/* It looks as overkill, because not all
*/
int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
- struct iphdr *iph;
+ const struct iphdr *iph;
u32 len;
/* When the interface is in promisc. mode, drop all the crap
static void ip_cmsg_recv_dstaddr(struct msghdr *msg, struct sk_buff *skb)
{
struct sockaddr_in sin;
- struct iphdr *iph = ip_hdr(skb);
+ const struct iphdr *iph = ip_hdr(skb);
__be16 *ports = (__be16 *)skb_transport_header(skb);
if (skb_transport_offset(skb) + 4 > skb->len)
{
struct net *net = dev_net(skb->dev);
__be32 spi;
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct ip_comp_hdr *ipch = (struct ip_comp_hdr *)(skb->data+(iph->ihl<<2));
struct xfrm_state *x;
return;
spi = htonl(ntohs(ipch->cpi));
- x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr,
+ x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
spi, IPPROTO_COMP, AF_INET);
if (!x)
return;
8 bytes of packet payload. It means, that precise relaying of
ICMP in the real Internet is absolutely infeasible.
*/
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
const int type = icmp_hdr(skb)->type;
const int code = icmp_hdr(skb)->code;
struct ip_tunnel *t;
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct pcpu_tstats *tstats;
- struct iphdr *tiph = &tunnel->parms.iph;
+ const struct iphdr *tiph = &tunnel->parms.iph;
u8 tos = tunnel->parms.iph.tos;
__be16 df = tiph->frag_off;
struct rtable *rt; /* Route to the other host */
struct net_device *tdev; /* Device to other host */
- struct iphdr *old_iph = ip_hdr(skb);
+ const struct iphdr *old_iph = ip_hdr(skb);
struct iphdr *iph; /* Our new IP header */
unsigned int max_headroom; /* The extra header space needed */
__be32 dst = tiph->daddr;
{
struct net_device *tdev = NULL;
struct ip_tunnel *tunnel;
- struct iphdr *iph;
+ const struct iphdr *iph;
tunnel = netdev_priv(dev);
iph = &tunnel->parms.iph;
static void ip_encap(struct sk_buff *skb, __be32 saddr, __be32 daddr)
{
struct iphdr *iph;
- struct iphdr *old_iph = ip_hdr(skb);
+ const struct iphdr *old_iph = ip_hdr(skb);
skb_push(skb, sizeof(struct iphdr));
skb->transport_header = skb->network_header;
}
EXPORT_SYMBOL_GPL(nf_nat_set_seq_adjust);
-static void nf_nat_csum(struct sk_buff *skb, struct iphdr *iph, void *data,
+static void nf_nat_csum(struct sk_buff *skb, const struct iphdr *iph, void *data,
int datalen, __sum16 *check, int oldlen)
{
struct rtable *rt = skb_rtable(skb);
* RFC 1122: SHOULD pass TOS value up to the transport layer.
* -> It does. And not only TOS, but all IP header.
*/
-static int raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash)
+static int raw_v4_input(struct sk_buff *skb, const struct iphdr *iph, int hash)
{
struct sock *sk;
struct hlist_head *head;
}
if (inet->recverr) {
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
u8 *payload = skb->data + (iph->ihl << 2);
if (inet->hdrincl)
{
int hash;
struct sock *raw_sk;
- struct iphdr *iph;
+ const struct iphdr *iph;
struct net *net;
hash = protocol & (RAW_HTABLE_SIZE - 1);
read_lock(&raw_v4_hashinfo.lock);
raw_sk = sk_head(&raw_v4_hashinfo.ht[hash]);
if (raw_sk != NULL) {
- iph = (struct iphdr *)skb->data;
+ iph = (const struct iphdr *)skb->data;
net = dev_net(skb->dev);
while ((raw_sk = __raw_v4_lookup(net, raw_sk, protocol,
skb->dev->ifindex)) != NULL) {
raw_err(raw_sk, skb, info);
raw_sk = sk_next(raw_sk);
- iph = (struct iphdr *)skb->data;
+ iph = (const struct iphdr *)skb->data;
}
}
read_unlock(&raw_v4_hashinfo.lock);
return 68;
}
-unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph,
+unsigned short ip_rt_frag_needed(struct net *net, const struct iphdr *iph,
unsigned short new_mtu,
struct net_device *dev)
{
/*
* This routine does path mtu discovery as defined in RFC1191.
*/
-static void do_pmtu_discovery(struct sock *sk, struct iphdr *iph, u32 mtu)
+static void do_pmtu_discovery(struct sock *sk, const struct iphdr *iph, u32 mtu)
{
struct dst_entry *dst;
struct inet_sock *inet = inet_sk(sk);
void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
{
- struct iphdr *iph = (struct iphdr *)icmp_skb->data;
+ const struct iphdr *iph = (const struct iphdr *)icmp_skb->data;
struct tcphdr *th = (struct tcphdr *)(icmp_skb->data + (iph->ihl << 2));
struct inet_connection_sock *icsk;
struct tcp_sock *tp;
struct sk_buff **tcp4_gro_receive(struct sk_buff **head, struct sk_buff *skb)
{
- struct iphdr *iph = skb_gro_network_header(skb);
+ const struct iphdr *iph = skb_gro_network_header(skb);
switch (skb->ip_summed) {
case CHECKSUM_COMPLETE:
int tcp4_gro_complete(struct sk_buff *skb)
{
- struct iphdr *iph = ip_hdr(skb);
+ const struct iphdr *iph = ip_hdr(skb);
struct tcphdr *th = tcp_hdr(skb);
th->check = ~tcp_v4_check(skb->len - skb_transport_offset(skb),
void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
{
struct inet_sock *inet;
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct udphdr *uh = (struct udphdr *)(skb->data+(iph->ihl<<2));
const int type = icmp_hdr(skb)->type;
const int code = icmp_hdr(skb)->code;
static void
_decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
{
- struct iphdr *iph = ip_hdr(skb);
+ const struct iphdr *iph = ip_hdr(skb);
u8 *xprth = skb_network_header(skb) + iph->ihl * 4;
struct flowi4 *fl4 = &fl->u.ip4;
int xfrm4_extract_header(struct sk_buff *skb)
{
- struct iphdr *iph = ip_hdr(skb);
+ const struct iphdr *iph = ip_hdr(skb);
XFRM_MODE_SKB_CB(skb)->ihl = sizeof(*iph);
XFRM_MODE_SKB_CB(skb)->id = iph->id;
return cnt;
}
-int ipv6_chk_addr(struct net *net, struct in6_addr *addr,
+int ipv6_chk_addr(struct net *net, const struct in6_addr *addr,
struct net_device *dev, int strict)
{
struct inet6_ifaddr *ifp;
return false;
}
-int ipv6_chk_prefix(struct in6_addr *addr, struct net_device *dev)
+int ipv6_chk_prefix(const struct in6_addr *addr, struct net_device *dev)
{
struct inet6_dev *idev;
struct inet6_ifaddr *ifa;
/* Join to solicited addr multicast group. */
-void addrconf_join_solict(struct net_device *dev, struct in6_addr *addr)
+void addrconf_join_solict(struct net_device *dev, const struct in6_addr *addr)
{
struct in6_addr maddr;
ipv6_dev_mc_inc(dev, &maddr);
}
-void addrconf_leave_solict(struct inet6_dev *idev, struct in6_addr *addr)
+void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr)
{
struct in6_addr maddr;
/*
* Manual configuration of address on an interface
*/
-static int inet6_addr_add(struct net *net, int ifindex, struct in6_addr *pfx,
+static int inet6_addr_add(struct net *net, int ifindex, const struct in6_addr *pfx,
unsigned int plen, __u8 ifa_flags, __u32 prefered_lft,
__u32 valid_lft)
{
return PTR_ERR(ifp);
}
-static int inet6_addr_del(struct net *net, int ifindex, struct in6_addr *pfx,
+static int inet6_addr_del(struct net *net, int ifindex, const struct in6_addr *pfx,
unsigned int plen)
{
struct inet6_ifaddr *ifp;
add_addr(idev, &in6addr_loopback, 128, IFA_HOST);
}
-static void addrconf_add_linklocal(struct inet6_dev *idev, struct in6_addr *addr)
+static void addrconf_add_linklocal(struct inet6_dev *idev, const struct in6_addr *addr)
{
struct inet6_ifaddr * ifp;
u32 addr_flags = IFA_F_PERMANENT;
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)
/* Check if address is a home address configured on any interface. */
-int ipv6_chk_home_addr(struct net *net, struct in6_addr *addr)
+int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr)
{
int ret = 0;
struct inet6_ifaddr *ifp = NULL;
static int ipv6_gso_send_check(struct sk_buff *skb)
{
- struct ipv6hdr *ipv6h;
+ const struct ipv6hdr *ipv6h;
const struct inet6_protocol *ops;
int err = -EINVAL;
#include <net/checksum.h>
-static int ipv6_dev_ac_dec(struct net_device *dev, struct in6_addr *addr);
+static int ipv6_dev_ac_dec(struct net_device *dev, const struct in6_addr *addr);
/* Big ac list lock for all the sockets */
static DEFINE_RWLOCK(ipv6_sk_ac_lock);
* socket join an anycast group
*/
-int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct net_device *dev = NULL;
/*
* socket leave an anycast group
*/
-int ipv6_sock_ac_drop(struct sock *sk, int ifindex, struct in6_addr *addr)
+int ipv6_sock_ac_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct net_device *dev;
/*
* device anycast group inc (add if not found)
*/
-int ipv6_dev_ac_inc(struct net_device *dev, struct in6_addr *addr)
+int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr)
{
struct ifacaddr6 *aca;
struct inet6_dev *idev;
/*
* device anycast group decrement
*/
-int __ipv6_dev_ac_dec(struct inet6_dev *idev, struct in6_addr *addr)
+int __ipv6_dev_ac_dec(struct inet6_dev *idev, const struct in6_addr *addr)
{
struct ifacaddr6 *aca, *prev_aca;
}
/* called with rcu_read_lock() */
-static int ipv6_dev_ac_dec(struct net_device *dev, struct in6_addr *addr)
+static int ipv6_dev_ac_dec(struct net_device *dev, const struct in6_addr *addr)
{
struct inet6_dev *idev = __in6_dev_get(dev);
* check if the interface has this anycast address
* called with rcu_read_lock()
*/
-static int ipv6_chk_acast_dev(struct net_device *dev, struct in6_addr *addr)
+static int ipv6_chk_acast_dev(struct net_device *dev, const struct in6_addr *addr)
{
struct inet6_dev *idev;
struct ifacaddr6 *aca;
* check if given interface (or any, if dev==0) has this anycast address
*/
int ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
- struct in6_addr *addr)
+ const struct in6_addr *addr)
{
int found = 0;
u8 type, u8 code, int offset, __be32 info)
{
struct net *net = dev_net(skb->dev);
- struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
+ const struct ipv6hdr *iph = (const struct ipv6hdr *)skb->data;
struct ip_esp_hdr *esph = (struct ip_esp_hdr *)(skb->data + offset);
struct xfrm_state *x;
type != ICMPV6_PKT_TOOBIG)
return;
- x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6);
+ x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+ esph->spi, IPPROTO_ESP, AF_INET6);
if (!x)
return;
printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%pI6\n",
struct ipv6hdr *hdr = ipv6_hdr(skb);
struct sock *sk;
struct ipv6_pinfo *np;
- struct in6_addr *saddr = NULL;
+ const struct in6_addr *saddr = NULL;
struct dst_entry *dst;
struct icmp6hdr tmp_hdr;
struct flowi6 fl6;
struct sock *sk;
struct inet6_dev *idev;
struct ipv6_pinfo *np;
- struct in6_addr *saddr = NULL;
+ const struct in6_addr *saddr = NULL;
struct icmp6hdr *icmph = icmp6_hdr(skb);
struct icmp6hdr tmp_hdr;
struct flowi6 fl6;
{
struct net_device *dev = skb->dev;
struct inet6_dev *idev = __in6_dev_get(dev);
- struct in6_addr *saddr, *daddr;
- struct ipv6hdr *orig_hdr;
+ const struct in6_addr *saddr, *daddr;
+ const struct ipv6hdr *orig_hdr;
struct icmp6hdr *hdr;
u8 type;
# define BITOP_BE32_SWIZZLE 0
#endif
-static __inline__ __be32 addr_bit_set(void *token, int fn_bit)
+static __inline__ __be32 addr_bit_set(const void *token, int fn_bit)
{
- __be32 *addr = token;
+ const __be32 *addr = token;
/*
* Here,
* 1 << ((~fn_bit ^ BITOP_BE32_SWIZZLE) & 0x1f)
struct lookup_args {
int offset; /* key offset on rt6_info */
- struct in6_addr *addr; /* search key */
+ const struct in6_addr *addr; /* search key */
};
static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
return NULL;
}
-struct fib6_node * fib6_lookup(struct fib6_node *root, struct in6_addr *daddr,
- struct in6_addr *saddr)
+struct fib6_node * fib6_lookup(struct fib6_node *root, const struct in6_addr *daddr,
+ const struct in6_addr *saddr)
{
struct fib6_node *fn;
struct lookup_args args[] = {
static struct fib6_node * fib6_locate_1(struct fib6_node *root,
- struct in6_addr *addr,
+ const struct in6_addr *addr,
int plen, int offset)
{
struct fib6_node *fn;
}
struct fib6_node * fib6_locate(struct fib6_node *root,
- struct in6_addr *daddr, int dst_len,
- struct in6_addr *saddr, int src_len)
+ const struct in6_addr *daddr, int dst_len,
+ const struct in6_addr *saddr, int src_len)
{
struct fib6_node *fn;
int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
{
- struct ipv6hdr *hdr;
+ const struct ipv6hdr *hdr;
u32 pkt_len;
struct inet6_dev *idev;
struct net *net = dev_net(skb->dev);
int ret;
if (ipprot->flags & INET6_PROTO_FINAL) {
- struct ipv6hdr *hdr;
+ const struct ipv6hdr *hdr;
/* Free reference early: we don't need it any more,
and it may hold ip_conntrack module loaded
int ip6_mc_input(struct sk_buff *skb)
{
- struct ipv6hdr *hdr;
+ const struct ipv6hdr *hdr;
int deliver;
IP6_UPD_PO_STATS_BH(dev_net(skb_dst(skb)->dev),
return err;
}
-static inline int ip6_rt_check(struct rt6key *rt_key,
- struct in6_addr *fl_addr,
- struct in6_addr *addr_cache)
+static inline int ip6_rt_check(const struct rt6key *rt_key,
+ const struct in6_addr *fl_addr,
+ const struct in6_addr *addr_cache)
{
return (rt_key->plen != 128 || !ipv6_addr_equal(fl_addr, &rt_key->addr)) &&
(addr_cache == NULL || !ipv6_addr_equal(fl_addr, addr_cache));
static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
struct dst_entry *dst,
- struct flowi6 *fl6)
+ const struct flowi6 *fl6)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct rt6_info *rt = (struct rt6_info *)dst;
for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
static struct ip6_tnl *
-ip6_tnl_lookup(struct net *net, struct in6_addr *remote, struct in6_addr *local)
+ip6_tnl_lookup(struct net *net, const struct in6_addr *remote, const struct in6_addr *local)
{
unsigned int h0 = HASH(remote);
unsigned int h1 = HASH(local);
**/
static struct ip6_tnl __rcu **
-ip6_tnl_bucket(struct ip6_tnl_net *ip6n, struct ip6_tnl_parm *p)
+ip6_tnl_bucket(struct ip6_tnl_net *ip6n, const struct ip6_tnl_parm *p)
{
- struct in6_addr *remote = &p->raddr;
- struct in6_addr *local = &p->laddr;
+ const struct in6_addr *remote = &p->raddr;
+ const struct in6_addr *local = &p->laddr;
unsigned h = 0;
int prio = 0;
static struct ip6_tnl *ip6_tnl_locate(struct net *net,
struct ip6_tnl_parm *p, int create)
{
- struct in6_addr *remote = &p->raddr;
- struct in6_addr *local = &p->laddr;
+ const struct in6_addr *remote = &p->raddr;
+ const struct in6_addr *local = &p->laddr;
struct ip6_tnl __rcu **tp;
struct ip6_tnl *t;
struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
static __u16
parse_tlv_tnl_enc_lim(struct sk_buff *skb, __u8 * raw)
{
- struct ipv6hdr *ipv6h = (struct ipv6hdr *) raw;
+ const struct ipv6hdr *ipv6h = (const struct ipv6hdr *) raw;
__u8 nexthdr = ipv6h->nexthdr;
__u16 off = sizeof (*ipv6h);
ip6_tnl_err(struct sk_buff *skb, __u8 ipproto, struct inet6_skb_parm *opt,
u8 *type, u8 *code, int *msg, __u32 *info, int offset)
{
- struct ipv6hdr *ipv6h = (struct ipv6hdr *) skb->data;
+ const struct ipv6hdr *ipv6h = (const struct ipv6hdr *) skb->data;
struct ip6_tnl *t;
int rel_msg = 0;
u8 rel_type = ICMPV6_DEST_UNREACH;
__u32 rel_info = ntohl(info);
int err;
struct sk_buff *skb2;
- struct iphdr *eiph;
+ const struct iphdr *eiph;
struct rtable *rt;
err = ip6_tnl_err(skb, IPPROTO_IPIP, opt, &rel_type, &rel_code,
return 0;
}
-static void ip4ip6_dscp_ecn_decapsulate(struct ip6_tnl *t,
- struct ipv6hdr *ipv6h,
+static void ip4ip6_dscp_ecn_decapsulate(const struct ip6_tnl *t,
+ const struct ipv6hdr *ipv6h,
struct sk_buff *skb)
{
__u8 dsfield = ipv6_get_dsfield(ipv6h) & ~INET_ECN_MASK;
IP_ECN_set_ce(ip_hdr(skb));
}
-static void ip6ip6_dscp_ecn_decapsulate(struct ip6_tnl *t,
- struct ipv6hdr *ipv6h,
+static void ip6ip6_dscp_ecn_decapsulate(const struct ip6_tnl *t,
+ const struct ipv6hdr *ipv6h,
struct sk_buff *skb)
{
if (t->parms.flags & IP6_TNL_F_RCV_DSCP_COPY)
static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
__u8 ipproto,
- void (*dscp_ecn_decapsulate)(struct ip6_tnl *t,
- struct ipv6hdr *ipv6h,
+ void (*dscp_ecn_decapsulate)(const struct ip6_tnl *t,
+ const struct ipv6hdr *ipv6h,
struct sk_buff *skb))
{
struct ip6_tnl *t;
- struct ipv6hdr *ipv6h = ipv6_hdr(skb);
+ const struct ipv6hdr *ipv6h = ipv6_hdr(skb);
rcu_read_lock();
**/
static inline int
-ip6_tnl_addr_conflict(struct ip6_tnl *t, struct ipv6hdr *hdr)
+ip6_tnl_addr_conflict(const struct ip6_tnl *t, const struct ipv6hdr *hdr)
{
return ipv6_addr_equal(&t->parms.raddr, &hdr->saddr);
}
ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ip6_tnl *t = netdev_priv(dev);
- struct iphdr *iph = ip_hdr(skb);
+ const struct iphdr *iph = ip_hdr(skb);
int encap_limit = -1;
struct flowi6 fl6;
__u8 dsfield;
}
static struct mfc6_cache *ip6mr_cache_find(struct mr6_table *mrt,
- struct in6_addr *origin,
- struct in6_addr *mcastgrp)
+ const struct in6_addr *origin,
+ const struct in6_addr *mcastgrp)
{
int line = MFC6_HASH(mcastgrp, origin);
struct mfc6_cache *c;
{
struct net *net = dev_net(skb->dev);
__be32 spi;
- struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
+ const struct ipv6hdr *iph = (const struct ipv6hdr *)skb->data;
struct ip_comp_hdr *ipcomph =
(struct ip_comp_hdr *)(skb->data + offset);
struct xfrm_state *x;
return;
spi = htonl(ntohs(ipcomph->cpi));
- x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6);
+ x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+ spi, IPPROTO_COMP, AF_INET6);
if (!x)
return;
static void mld_ifc_timer_expire(unsigned long data);
static void mld_ifc_event(struct inet6_dev *idev);
static void mld_add_delrec(struct inet6_dev *idev, struct ifmcaddr6 *pmc);
-static void mld_del_delrec(struct inet6_dev *idev, struct in6_addr *addr);
+static void mld_del_delrec(struct inet6_dev *idev, const struct in6_addr *addr);
static void mld_clear_delrec(struct inet6_dev *idev);
static int sf_setstate(struct ifmcaddr6 *pmc);
static void sf_markstate(struct ifmcaddr6 *pmc);
static void ip6_mc_clear_src(struct ifmcaddr6 *pmc);
-static int ip6_mc_del_src(struct inet6_dev *idev, struct in6_addr *pmca,
- int sfmode, int sfcount, struct in6_addr *psfsrc,
+static int ip6_mc_del_src(struct inet6_dev *idev, const struct in6_addr *pmca,
+ int sfmode, int sfcount, const struct in6_addr *psfsrc,
int delta);
-static int ip6_mc_add_src(struct inet6_dev *idev, struct in6_addr *pmca,
- int sfmode, int sfcount, struct in6_addr *psfsrc,
+static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca,
+ int sfmode, int sfcount, const struct in6_addr *psfsrc,
int delta);
static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
struct inet6_dev *idev);
/* called with rcu_read_lock() */
static struct inet6_dev *ip6_mc_find_dev_rcu(struct net *net,
- struct in6_addr *group,
+ const struct in6_addr *group,
int ifindex)
{
struct net_device *dev = NULL;
int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf)
{
- struct in6_addr *group;
+ const struct in6_addr *group;
struct ipv6_mc_socklist *pmc;
struct inet6_dev *idev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
struct group_filter __user *optval, int __user *optlen)
{
int err, i, count, copycount;
- struct in6_addr *group;
+ const struct in6_addr *group;
struct ipv6_mc_socklist *pmc;
struct inet6_dev *idev;
struct ipv6_pinfo *inet6 = inet6_sk(sk);
spin_unlock_bh(&idev->mc_lock);
}
-static void mld_del_delrec(struct inet6_dev *idev, struct in6_addr *pmca)
+static void mld_del_delrec(struct inet6_dev *idev, const struct in6_addr *pmca)
{
struct ifmcaddr6 *pmc, *pmc_prev;
struct ip6_sf_list *psf, *psf_next;
/* mark EXCLUDE-mode sources */
static int mld_xmarksources(struct ifmcaddr6 *pmc, int nsrcs,
- struct in6_addr *srcs)
+ const struct in6_addr *srcs)
{
struct ip6_sf_list *psf;
int i, scount;
}
static int mld_marksources(struct ifmcaddr6 *pmc, int nsrcs,
- struct in6_addr *srcs)
+ const struct in6_addr *srcs)
{
struct ip6_sf_list *psf;
int i, scount;
{
struct mld2_query *mlh2 = NULL;
struct ifmcaddr6 *ma;
- struct in6_addr *group;
+ const struct in6_addr *group;
unsigned long max_delay;
struct inet6_dev *idev;
struct mld_msg *mld;
}
static int ip6_mc_del1_src(struct ifmcaddr6 *pmc, int sfmode,
- struct in6_addr *psfsrc)
+ const struct in6_addr *psfsrc)
{
struct ip6_sf_list *psf, *psf_prev;
int rv = 0;
return rv;
}
-static int ip6_mc_del_src(struct inet6_dev *idev, struct in6_addr *pmca,
- int sfmode, int sfcount, struct in6_addr *psfsrc,
+static int ip6_mc_del_src(struct inet6_dev *idev, const struct in6_addr *pmca,
+ int sfmode, int sfcount, const struct in6_addr *psfsrc,
int delta)
{
struct ifmcaddr6 *pmc;
* Add multicast single-source filter to the interface list
*/
static int ip6_mc_add1_src(struct ifmcaddr6 *pmc, int sfmode,
- struct in6_addr *psfsrc, int delta)
+ const struct in6_addr *psfsrc, int delta)
{
struct ip6_sf_list *psf, *psf_prev;
/*
* Add multicast source filter list to the interface list
*/
-static int ip6_mc_add_src(struct inet6_dev *idev, struct in6_addr *pmca,
- int sfmode, int sfcount, struct in6_addr *psfsrc,
+static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca,
+ int sfmode, int sfcount, const struct in6_addr *psfsrc,
int delta)
{
struct ifmcaddr6 *pmc;
static int mip6_destopt_input(struct xfrm_state *x, struct sk_buff *skb)
{
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
struct ipv6_destopt_hdr *destopt = (struct ipv6_destopt_hdr *)skb->data;
int err = destopt->nexthdr;
}
static inline int mip6_report_rl_allow(struct timeval *stamp,
- struct in6_addr *dst,
- struct in6_addr *src, int iif)
+ const struct in6_addr *dst,
+ const struct in6_addr *src, int iif)
{
int allow = 0;
static int mip6_rthdr_input(struct xfrm_state *x, struct sk_buff *skb)
{
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
struct rt2_hdr *rt2 = (struct rt2_hdr *)skb->data;
int err = rt2->rt_hdr.nexthdr;
return lladdr + prepad;
}
-int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir)
+int ndisc_mc_map(const struct in6_addr *addr, char *buf, struct net_device *dev, int dir)
{
switch (dev->type) {
case ARPHRD_ETHER:
static void ndisc_recv_ns(struct sk_buff *skb)
{
struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb);
- struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
- struct in6_addr *daddr = &ipv6_hdr(skb)->daddr;
+ const struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
+ const struct in6_addr *daddr = &ipv6_hdr(skb)->daddr;
u8 *lladdr = NULL;
u32 ndoptlen = skb->tail - (skb->transport_header +
offsetof(struct nd_msg, opt));
static void ndisc_recv_na(struct sk_buff *skb)
{
struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb);
- struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
- struct in6_addr *daddr = &ipv6_hdr(skb)->daddr;
+ const struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
+ const struct in6_addr *daddr = &ipv6_hdr(skb)->daddr;
u8 *lladdr = NULL;
u32 ndoptlen = skb->tail - (skb->transport_header +
offsetof(struct nd_msg, opt));
unsigned long ndoptlen = skb->len - sizeof(*rs_msg);
struct neighbour *neigh;
struct inet6_dev *idev;
- struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
+ const struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
struct ndisc_options ndopts;
u8 *lladdr = NULL;
{
struct inet6_dev *in6_dev;
struct icmp6hdr *icmph;
- struct in6_addr *dest;
- struct in6_addr *target; /* new first hop to destination */
+ const struct in6_addr *dest;
+ const struct in6_addr *target; /* new first hop to destination */
struct neighbour *neigh;
int on_link = 0;
struct ndisc_options ndopts;
}
icmph = icmp6_hdr(skb);
- target = (struct in6_addr *) (icmph + 1);
+ target = (const struct in6_addr *) (icmph + 1);
dest = target + 1;
if (ipv6_addr_is_multicast(dest)) {
int ip6_route_me_harder(struct sk_buff *skb)
{
struct net *net = dev_net(skb_dst(skb)->dev);
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
struct dst_entry *dst;
struct flowi6 fl6 = {
.flowi6_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0,
struct ip6_rt_info *rt_info = nf_queue_entry_reroute(entry);
if (entry->hook == NF_INET_LOCAL_OUT) {
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
rt_info->daddr = iph->daddr;
rt_info->saddr = iph->saddr;
struct ip6_rt_info *rt_info = nf_queue_entry_reroute(entry);
if (entry->hook == NF_INET_LOCAL_OUT) {
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
if (!ipv6_addr_equal(&iph->daddr, &rt_info->daddr) ||
!ipv6_addr_equal(&iph->saddr, &rt_info->saddr) ||
skb->mark != rt_info->mark)
__sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, u_int8_t protocol)
{
- struct ipv6hdr *ip6h = ipv6_hdr(skb);
+ const struct ipv6hdr *ip6h = ipv6_hdr(skb);
__sum16 csum = 0;
switch (skb->ip_summed) {
unsigned int dataoff, unsigned int len,
u_int8_t protocol)
{
- struct ipv6hdr *ip6h = ipv6_hdr(skb);
+ const struct ipv6hdr *ip6h = ipv6_hdr(skb);
__wsum hsum;
__sum16 csum = 0;
};
static struct sock *__raw_v6_lookup(struct net *net, struct sock *sk,
- unsigned short num, struct in6_addr *loc_addr,
- struct in6_addr *rmt_addr, int dif)
+ unsigned short num, const struct in6_addr *loc_addr,
+ const struct in6_addr *rmt_addr, int dif)
{
struct hlist_node *node;
int is_multicast = ipv6_addr_is_multicast(loc_addr);
*/
static int ipv6_raw_deliver(struct sk_buff *skb, int nexthdr)
{
- struct in6_addr *saddr;
- struct in6_addr *daddr;
+ const struct in6_addr *saddr;
+ const struct in6_addr *daddr;
struct sock *sk;
int delivered = 0;
__u8 hash;
{
struct sock *sk;
int hash;
- struct in6_addr *saddr, *daddr;
+ const struct in6_addr *saddr, *daddr;
struct net *net;
hash = nexthdr & (RAW_HTABLE_SIZE - 1);
sk = sk_head(&raw_v6_hashinfo.ht[hash]);
if (sk != NULL) {
/* Note: ipv6_hdr(skb) != skb->data */
- struct ipv6hdr *ip6h = (struct ipv6hdr *)skb->data;
+ const struct ipv6hdr *ip6h = (const struct ipv6hdr *)skb->data;
saddr = &ip6h->saddr;
daddr = &ip6h->daddr;
net = dev_net(skb->dev);
static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i)
{
struct ipv6_pinfo *np = inet6_sk(sp);
- struct in6_addr *dest, *src;
+ const struct in6_addr *dest, *src;
__u16 destp, srcp;
dest = &np->daddr;
}
static __inline__ struct frag_queue *
-fq_find(struct net *net, __be32 id, struct in6_addr *src, struct in6_addr *dst)
+fq_find(struct net *net, __be32 id, const struct in6_addr *src, const struct in6_addr *dst)
{
struct inet_frag_queue *q;
struct ip6_create_arg arg;
{
struct frag_hdr *fhdr;
struct frag_queue *fq;
- struct ipv6hdr *hdr = ipv6_hdr(skb);
+ const struct ipv6hdr *hdr = ipv6_hdr(skb);
struct net *net = dev_net(skb_dst(skb)->dev);
IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMREQDS);
#ifdef CONFIG_IPV6_ROUTE_INFO
static struct rt6_info *rt6_add_route_info(struct net *net,
- struct in6_addr *prefix, int prefixlen,
- struct in6_addr *gwaddr, int ifindex,
+ const struct in6_addr *prefix, int prefixlen,
+ const struct in6_addr *gwaddr, int ifindex,
unsigned pref);
static struct rt6_info *rt6_get_route_info(struct net *net,
- struct in6_addr *prefix, int prefixlen,
- struct in6_addr *gwaddr, int ifindex);
+ const struct in6_addr *prefix, int prefixlen,
+ const struct in6_addr *gwaddr, int ifindex);
#endif
static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old)
time_after(jiffies, rt->rt6i_expires);
}
-static inline int rt6_need_strict(struct in6_addr *daddr)
+static inline int rt6_need_strict(const struct in6_addr *daddr)
{
return ipv6_addr_type(daddr) &
(IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK);
static inline struct rt6_info *rt6_device_match(struct net *net,
struct rt6_info *rt,
- struct in6_addr *saddr,
+ const struct in6_addr *saddr,
int oif,
int flags)
{
#ifdef CONFIG_IPV6_ROUTE_INFO
int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
- struct in6_addr *gwaddr)
+ const struct in6_addr *gwaddr)
{
struct net *net = dev_net(dev);
struct route_info *rinfo = (struct route_info *) opt;
return __ip6_ins_rt(rt, &info);
}
-static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *daddr,
- struct in6_addr *saddr)
+static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, const struct in6_addr *daddr,
+ const struct in6_addr *saddr)
{
struct rt6_info *rt;
return rt;
}
-static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, struct in6_addr *daddr)
+static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, const struct in6_addr *daddr)
{
struct rt6_info *rt = ip6_rt_copy(ort);
if (rt) {
void ip6_route_input(struct sk_buff *skb)
{
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
struct net *net = dev_net(skb->dev);
int flags = RT6_LOOKUP_F_HAS_SADDR;
struct flowi6 fl6 = {
}
if (cfg->fc_flags & RTF_GATEWAY) {
- struct in6_addr *gw_addr;
+ const struct in6_addr *gw_addr;
int gwa_type;
gw_addr = &cfg->fc_gateway;
return rt;
};
-static struct rt6_info *ip6_route_redirect(struct in6_addr *dest,
- struct in6_addr *src,
- struct in6_addr *gateway,
+static struct rt6_info *ip6_route_redirect(const struct in6_addr *dest,
+ const struct in6_addr *src,
+ const struct in6_addr *gateway,
struct net_device *dev)
{
int flags = RT6_LOOKUP_F_HAS_SADDR;
flags, __ip6_route_redirect);
}
-void rt6_redirect(struct in6_addr *dest, struct in6_addr *src,
- struct in6_addr *saddr,
+void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
+ const struct in6_addr *saddr,
struct neighbour *neigh, u8 *lladdr, int on_link)
{
struct rt6_info *rt, *nrt = NULL;
* i.e. Path MTU discovery
*/
-static void rt6_do_pmtu_disc(struct in6_addr *daddr, struct in6_addr *saddr,
+static void rt6_do_pmtu_disc(const struct in6_addr *daddr, const struct in6_addr *saddr,
struct net *net, u32 pmtu, int ifindex)
{
struct rt6_info *rt, *nrt;
dst_release(&rt->dst);
}
-void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
+void rt6_pmtu_discovery(const struct in6_addr *daddr, const struct in6_addr *saddr,
struct net_device *dev, u32 pmtu)
{
struct net *net = dev_net(dev);
#ifdef CONFIG_IPV6_ROUTE_INFO
static struct rt6_info *rt6_get_route_info(struct net *net,
- struct in6_addr *prefix, int prefixlen,
- struct in6_addr *gwaddr, int ifindex)
+ const struct in6_addr *prefix, int prefixlen,
+ const struct in6_addr *gwaddr, int ifindex)
{
struct fib6_node *fn;
struct rt6_info *rt = NULL;
}
static struct rt6_info *rt6_add_route_info(struct net *net,
- struct in6_addr *prefix, int prefixlen,
- struct in6_addr *gwaddr, int ifindex,
+ const struct in6_addr *prefix, int prefixlen,
+ const struct in6_addr *gwaddr, int ifindex,
unsigned pref)
{
struct fib6_config cfg = {
}
#endif
-struct rt6_info *rt6_get_dflt_router(struct in6_addr *addr, struct net_device *dev)
+struct rt6_info *rt6_get_dflt_router(const struct in6_addr *addr, struct net_device *dev)
{
struct rt6_info *rt;
struct fib6_table *table;
return rt;
}
-struct rt6_info *rt6_add_dflt_router(struct in6_addr *gwaddr,
+struct rt6_info *rt6_add_dflt_router(const struct in6_addr *gwaddr,
struct net_device *dev,
unsigned int pref)
{
int ip6_route_get_saddr(struct net *net,
struct rt6_info *rt,
- struct in6_addr *daddr,
+ const struct in6_addr *daddr,
unsigned int prefs,
struct in6_addr *saddr)
{
}
static int
-isatap_chksrc(struct sk_buff *skb, struct iphdr *iph, struct ip_tunnel *t)
+isatap_chksrc(struct sk_buff *skb, const struct iphdr *iph, struct ip_tunnel *t)
{
struct ip_tunnel_prl_entry *p;
int ok = 1;
else
skb->ndisc_nodetype = NDISC_NODETYPE_NODEFAULT;
} else {
- struct in6_addr *addr6 = &ipv6_hdr(skb)->saddr;
+ const struct in6_addr *addr6 = &ipv6_hdr(skb)->saddr;
+
if (ipv6_addr_is_isatap(addr6) &&
(addr6->s6_addr32[3] == iph->saddr) &&
ipv6_chk_prefix(addr6, t->dev))
8 bytes of packet payload. It means, that precise relaying of
ICMP in the real Internet is absolutely infeasible.
*/
- struct iphdr *iph = (struct iphdr*)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
const int type = icmp_hdr(skb)->type;
const int code = icmp_hdr(skb)->code;
struct ip_tunnel *t;
return err;
}
-static inline void ipip6_ecn_decapsulate(struct iphdr *iph, struct sk_buff *skb)
+static inline void ipip6_ecn_decapsulate(const struct iphdr *iph, struct sk_buff *skb)
{
if (INET_ECN_is_ce(iph->tos))
IP6_ECN_set_ce(ipv6_hdr(skb));
static int ipip6_rcv(struct sk_buff *skb)
{
- struct iphdr *iph;
+ const struct iphdr *iph;
struct ip_tunnel *tunnel;
if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
* comes from 6rd / 6to4 (RFC 3056) addr space.
*/
static inline
-__be32 try_6rd(struct in6_addr *v6dst, struct ip_tunnel *tunnel)
+__be32 try_6rd(const struct in6_addr *v6dst, struct ip_tunnel *tunnel)
{
__be32 dst = 0;
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct pcpu_tstats *tstats;
- struct iphdr *tiph = &tunnel->parms.iph;
- struct ipv6hdr *iph6 = ipv6_hdr(skb);
+ const struct iphdr *tiph = &tunnel->parms.iph;
+ const struct ipv6hdr *iph6 = ipv6_hdr(skb);
u8 tos = tunnel->parms.iph.tos;
__be16 df = tiph->frag_off;
struct rtable *rt; /* Route to the other host */
unsigned int max_headroom; /* The extra header space needed */
__be32 dst = tiph->daddr;
int mtu;
- struct in6_addr *addr6;
+ const struct in6_addr *addr6;
int addr_type;
if (skb->protocol != htons(ETH_P_IPV6))
goto tx_error;
}
- addr6 = (struct in6_addr*)&neigh->primary_key;
+ addr6 = (const struct in6_addr*)&neigh->primary_key;
addr_type = ipv6_addr_type(addr6);
if ((addr_type & IPV6_ADDR_UNICAST) &&
goto tx_error;
}
- addr6 = (struct in6_addr*)&neigh->primary_key;
+ addr6 = (const struct in6_addr*)&neigh->primary_key;
addr_type = ipv6_addr_type(addr6);
if (addr_type == IPV6_ADDR_ANY) {
{
struct net_device *tdev = NULL;
struct ip_tunnel *tunnel;
- struct iphdr *iph;
+ const struct iphdr *iph;
tunnel = netdev_priv(dev);
iph = &tunnel->parms.iph;
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);
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)
{
& 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)
{
__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;
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,
static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb);
static void __tcp_v6_send_check(struct sk_buff *skb,
- struct in6_addr *saddr,
- struct in6_addr *daddr);
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr);
static const struct inet_connection_sock_af_ops ipv6_mapped;
static const struct inet_connection_sock_af_ops ipv6_specific;
static const struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific;
#else
static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
- struct in6_addr *addr)
+ const struct in6_addr *addr)
{
return NULL;
}
}
static __inline__ __sum16 tcp_v6_check(int len,
- struct in6_addr *saddr,
- struct in6_addr *daddr,
+ const struct in6_addr *saddr,
+ const struct in6_addr *daddr,
__wsum base)
{
return csum_ipv6_magic(saddr, daddr, len, IPPROTO_TCP, base);
static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
u8 type, u8 code, int offset, __be32 info)
{
- struct ipv6hdr *hdr = (struct ipv6hdr*)skb->data;
+ const struct ipv6hdr *hdr = (const struct ipv6hdr*)skb->data;
const struct tcphdr *th = (struct tcphdr *)(skb->data+offset);
struct ipv6_pinfo *np;
struct sock *sk;
#ifdef CONFIG_TCP_MD5SIG
static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
- struct in6_addr *addr)
+ const struct in6_addr *addr)
{
struct tcp_sock *tp = tcp_sk(sk);
int i;
return tcp_v6_md5_do_lookup(sk, &inet6_rsk(req)->rmt_addr);
}
-static int tcp_v6_md5_do_add(struct sock *sk, struct in6_addr *peer,
+static int tcp_v6_md5_do_add(struct sock *sk, const struct in6_addr *peer,
char *newkey, u8 newkeylen)
{
/* Add key to the list */
newkey, newkeylen);
}
-static int tcp_v6_md5_do_del(struct sock *sk, struct in6_addr *peer)
+static int tcp_v6_md5_do_del(struct sock *sk, const struct in6_addr *peer)
{
struct tcp_sock *tp = tcp_sk(sk);
int i;
}
static int tcp_v6_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp,
- struct in6_addr *daddr,
- struct in6_addr *saddr, int nbytes)
+ const struct in6_addr *daddr,
+ const struct in6_addr *saddr, int nbytes)
{
struct tcp6_pseudohdr *bp;
struct scatterlist sg;
}
static int tcp_v6_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key,
- struct in6_addr *daddr, struct in6_addr *saddr,
+ const struct in6_addr *daddr, struct in6_addr *saddr,
struct tcphdr *th)
{
struct tcp_md5sig_pool *hp;
struct sock *sk, struct request_sock *req,
struct sk_buff *skb)
{
- struct in6_addr *saddr, *daddr;
+ const struct in6_addr *saddr, *daddr;
struct tcp_md5sig_pool *hp;
struct hash_desc *desc;
struct tcphdr *th = tcp_hdr(skb);
saddr = &inet6_rsk(req)->loc_addr;
daddr = &inet6_rsk(req)->rmt_addr;
} else {
- struct ipv6hdr *ip6h = ipv6_hdr(skb);
+ const struct ipv6hdr *ip6h = ipv6_hdr(skb);
saddr = &ip6h->saddr;
daddr = &ip6h->daddr;
}
{
__u8 *hash_location = NULL;
struct tcp_md5sig_key *hash_expected;
- struct ipv6hdr *ip6h = ipv6_hdr(skb);
+ const struct ipv6hdr *ip6h = ipv6_hdr(skb);
struct tcphdr *th = tcp_hdr(skb);
int genhash;
u8 newhash[16];
#endif
static void __tcp_v6_send_check(struct sk_buff *skb,
- struct in6_addr *saddr, struct in6_addr *daddr)
+ const struct in6_addr *saddr, const struct in6_addr *daddr)
{
struct tcphdr *th = tcp_hdr(skb);
static int tcp_v6_gso_send_check(struct sk_buff *skb)
{
- struct ipv6hdr *ipv6h;
+ const struct ipv6hdr *ipv6h;
struct tcphdr *th;
if (!pskb_may_pull(skb, sizeof(*th)))
static struct sk_buff **tcp6_gro_receive(struct sk_buff **head,
struct sk_buff *skb)
{
- struct ipv6hdr *iph = skb_gro_network_header(skb);
+ const struct ipv6hdr *iph = skb_gro_network_header(skb);
switch (skb->ip_summed) {
case CHECKSUM_COMPLETE:
static int tcp6_gro_complete(struct sk_buff *skb)
{
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
struct tcphdr *th = tcp_hdr(skb);
th->check = ~tcp_v6_check(skb->len - skb_transport_offset(skb),
static int tcp_v6_rcv(struct sk_buff *skb)
{
struct tcphdr *th;
- struct ipv6hdr *hdr;
+ const struct ipv6hdr *hdr;
struct sock *sk;
int ret;
struct net *net = dev_net(skb->dev);
struct sock *sk, struct request_sock *req, int i, int uid)
{
int ttd = req->expires - jiffies;
- struct in6_addr *src = &inet6_rsk(req)->loc_addr;
- struct in6_addr *dest = &inet6_rsk(req)->rmt_addr;
+ const struct in6_addr *src = &inet6_rsk(req)->loc_addr;
+ const struct in6_addr *dest = &inet6_rsk(req)->rmt_addr;
if (ttd < 0)
ttd = 0;
static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i)
{
- struct in6_addr *dest, *src;
+ const struct in6_addr *dest, *src;
__u16 destp, srcp;
int timer_active;
unsigned long timer_expires;
static void get_timewait6_sock(struct seq_file *seq,
struct inet_timewait_sock *tw, int i)
{
- struct in6_addr *dest, *src;
+ const struct in6_addr *dest, *src;
__u16 destp, srcp;
struct inet6_timewait_sock *tw6 = inet6_twsk((struct sock *)tw);
int ttd = tw->tw_ttd - jiffies;
struct udp_table *udptable)
{
struct sock *sk;
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
if (unlikely(sk = skb_steal_sock(skb)))
return sk;
struct udp_table *udptable)
{
struct ipv6_pinfo *np;
- struct ipv6hdr *hdr = (struct ipv6hdr*)skb->data;
- struct in6_addr *saddr = &hdr->saddr;
- struct in6_addr *daddr = &hdr->daddr;
+ const struct ipv6hdr *hdr = (const struct ipv6hdr *)skb->data;
+ const struct in6_addr *saddr = &hdr->saddr;
+ const struct in6_addr *daddr = &hdr->daddr;
struct udphdr *uh = (struct udphdr*)(skb->data+offset);
struct sock *sk;
int err;
}
static struct sock *udp_v6_mcast_next(struct net *net, struct sock *sk,
- __be16 loc_port, struct in6_addr *loc_addr,
- __be16 rmt_port, struct in6_addr *rmt_addr,
+ __be16 loc_port, const struct in6_addr *loc_addr,
+ __be16 rmt_port, const struct in6_addr *rmt_addr,
int dif)
{
struct hlist_nulls_node *node;
* so we don't need to lock the hashes.
*/
static int __udp6_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
- struct in6_addr *saddr, struct in6_addr *daddr,
+ const struct in6_addr *saddr, const struct in6_addr *daddr,
struct udp_table *udptable)
{
struct sock *sk, *stack[256 / sizeof(struct sock *)];
struct net *net = dev_net(skb->dev);
struct sock *sk;
struct udphdr *uh;
- struct in6_addr *saddr, *daddr;
+ const struct in6_addr *saddr, *daddr;
u32 ulen = 0;
if (!pskb_may_pull(skb, sizeof(struct udphdr)))
static int udp6_ufo_send_check(struct sk_buff *skb)
{
- struct ipv6hdr *ipv6h;
+ const struct ipv6hdr *ipv6h;
struct udphdr *uh;
if (!pskb_may_pull(skb, sizeof(*uh)))
{
struct inet_sock *inet = inet_sk(sp);
struct ipv6_pinfo *np = inet6_sk(sp);
- struct in6_addr *dest, *src;
+ const struct in6_addr *dest, *src;
__u16 destp, srcp;
dest = &np->daddr;
{
struct ipv6hdr *top_iph;
struct ip_beet_phdr *ph;
- struct iphdr *iphv4;
int optlen, hdr_len;
- iphv4 = ip_hdr(skb);
hdr_len = 0;
optlen = XFRM_MODE_SKB_CB(skb)->optlen;
if (unlikely(optlen))
static inline void ipip6_ecn_decapsulate(struct sk_buff *skb)
{
- struct ipv6hdr *outer_iph = ipv6_hdr(skb);
+ const struct ipv6hdr *outer_iph = ipv6_hdr(skb);
struct ipv6hdr *inner_iph = ipipv6_hdr(skb);
if (INET_ECN_is_ce(ipv6_get_dsfield(outer_iph)))
dsfield &= ~INET_ECN_MASK;
ipv6_change_dsfield(top_iph, 0, dsfield);
top_iph->hop_limit = ip6_dst_hoplimit(dst->child);
- ipv6_addr_copy(&top_iph->saddr, (struct in6_addr *)&x->props.saddr);
- ipv6_addr_copy(&top_iph->daddr, (struct in6_addr *)&x->id.daddr);
+ ipv6_addr_copy(&top_iph->saddr, (const struct in6_addr *)&x->props.saddr);
+ ipv6_addr_copy(&top_iph->daddr, (const struct in6_addr *)&x->id.daddr);
return 0;
}
struct flowi6 *fl6 = &fl->u.ip6;
int onlyproto = 0;
u16 offset = skb_network_header_len(skb);
- struct ipv6hdr *hdr = ipv6_hdr(skb);
+ const struct ipv6hdr *hdr = ipv6_hdr(skb);
struct ipv6_opt_hdr *exthdr;
const unsigned char *nh = skb_network_header(skb);
u8 nexthdr = nh[IP6CB(skb)->nhoff];
static struct kmem_cache *xfrm6_tunnel_spi_kmem __read_mostly;
-static inline unsigned xfrm6_tunnel_spi_hash_byaddr(xfrm_address_t *addr)
+static inline unsigned xfrm6_tunnel_spi_hash_byaddr(const xfrm_address_t *addr)
{
unsigned h;
return spi % XFRM6_TUNNEL_SPI_BYSPI_HSIZE;
}
-static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr)
+static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr)
{
struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net);
struct xfrm6_tunnel_spi *x6spi;
return NULL;
}
-__be32 xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr)
+__be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr)
{
struct xfrm6_tunnel_spi *x6spi;
u32 spi;
static int xfrm6_tunnel_rcv(struct sk_buff *skb)
{
struct net *net = dev_net(skb->dev);
- struct ipv6hdr *iph = ipv6_hdr(skb);
+ const struct ipv6hdr *iph = ipv6_hdr(skb);
__be32 spi;
- spi = xfrm6_tunnel_spi_lookup(net, (xfrm_address_t *)&iph->saddr);
+ spi = xfrm6_tunnel_spi_lookup(net, (const xfrm_address_t *)&iph->saddr);
return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi) > 0 ? : 0;
}
sin6->sin6_family = AF_INET6;
sin6->sin6_port = port;
sin6->sin6_flowinfo = 0;
- ipv6_addr_copy(&sin6->sin6_addr, (struct in6_addr *)xaddr->a6);
+ ipv6_addr_copy(&sin6->sin6_addr, (const struct in6_addr *)xaddr->a6);
sin6->sin6_scope_id = 0;
return 128;
}
}
case htons(ETH_P_IPV6):
{
- struct ipv6hdr *iph;
+ const struct ipv6hdr *iph;
int poff;
if (!pskb_network_may_pull(skb, sizeof(*iph)))
*/
void sctp_v4_err(struct sk_buff *skb, __u32 info)
{
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
const int ihlen = iph->ihl * 4;
const int type = icmp_hdr(skb)->type;
const int code = icmp_hdr(skb)->code;
static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp)
{
int type;
- struct in6_addr *in6 = (struct in6_addr *)&addr->v6.sin6_addr;
+ const struct in6_addr *in6 = (const struct in6_addr *)&addr->v6.sin6_addr;
type = ipv6_addr_type(in6);
if (IPV6_ADDR_ANY == type)
case AF_INET6:
ipv6_addr_copy((struct in6_addr *)x->sel.daddr.a6,
- (struct in6_addr *)daddr);
+ (const struct in6_addr *)daddr);
ipv6_addr_copy((struct in6_addr *)x->sel.saddr.a6,
- (struct in6_addr *)saddr);
+ (const struct in6_addr *)saddr);
x->sel.prefixlen_d = 128;
x->sel.prefixlen_s = 128;
ipv6_addr_copy((struct in6_addr *)x->props.saddr.a6,
- (struct in6_addr *)saddr);
+ (const struct in6_addr *)saddr);
ipv6_addr_copy((struct in6_addr *)x->id.daddr.a6,
- (struct in6_addr *)daddr);
+ (const struct in6_addr *)daddr);
break;
}
static void xfrm_audit_helper_pktinfo(struct sk_buff *skb, u16 family,
struct audit_buffer *audit_buf)
{
- struct iphdr *iph4;
- struct ipv6hdr *iph6;
+ const struct iphdr *iph4;
+ const struct ipv6hdr *iph6;
switch (family) {
case AF_INET:
projects / openwrt / staging / blogic.git / commitdiff