string: factorize skip_spaces and export it to be generally available

[safe/jmp/linux-2.6] / include / linux / mroute.h

diff --git a/include/linux/mroute.h b/include/linux/mroute.h
index c41b421..c5f3d53 100644 (file)
--- a/include/linux/mroute.h
+++ b/include/linux/mroute.h
@@ -2,8 +2,10 @@
 #define __LINUX_MROUTE_H
 
 #include <linux/sockios.h>
+#include <linux/types.h>
+#ifdef __KERNEL__
 #include <linux/in.h>
-#include <linux/pim.h>
+#endif
 
 /*
  *     Based on the MROUTING 3.5 defines primarily to keep
@@ -57,20 +59,24 @@ struct vifctl {
        unsigned char vifc_flags;       /* VIFF_ flags */
        unsigned char vifc_threshold;   /* ttl limit */
        unsigned int vifc_rate_limit;   /* Rate limiter values (NI) */
-       struct in_addr vifc_lcl_addr;   /* Our address */
+       union {
+               struct in_addr vifc_lcl_addr;     /* Local interface address */
+               int            vifc_lcl_ifindex;  /* Local interface index   */
+       };
        struct in_addr vifc_rmt_addr;   /* IPIP tunnel addr */
 };
 
-#define VIFF_TUNNEL    0x1     /* IPIP tunnel */
-#define VIFF_SRCRT     0x2     /* NI */
-#define VIFF_REGISTER  0x4     /* register vif */
+#define VIFF_TUNNEL            0x1     /* IPIP tunnel */
+#define VIFF_SRCRT             0x2     /* NI */
+#define VIFF_REGISTER          0x4     /* register vif */
+#define VIFF_USE_IFINDEX       0x8     /* use vifc_lcl_ifindex instead of
+                                          vifc_lcl_addr to find an interface */
 
 /*
  *     Cache manipulation structures for mrouted and PIMd
  */
  
-struct mfcctl
-{
+struct mfcctl {
        struct in_addr mfcc_origin;             /* Origin of mcast      */
        struct in_addr mfcc_mcastgrp;           /* Group in question    */
        vifi_t  mfcc_parent;                    /* Where it arrived     */
@@ -85,8 +91,7 @@ struct mfcctl
  *     Group count retrieval for mrouted
  */
  
-struct sioc_sg_req
-{
+struct sioc_sg_req {
        struct in_addr src;
        struct in_addr grp;
        unsigned long pktcnt;
@@ -98,8 +103,7 @@ struct sioc_sg_req
  *     To get vif packet counts
  */
 
-struct sioc_vif_req
-{
+struct sioc_vif_req {
        vifi_t  vifi;           /* Which iface */
        unsigned long icount;   /* In packets */
        unsigned long ocount;   /* Out packets */
@@ -112,8 +116,7 @@ struct sioc_vif_req
  *     data. Magically happens to be like an IP packet as per the original
  */
  
-struct igmpmsg
-{
+struct igmpmsg {
        __u32 unused1,unused2;
        unsigned char im_msgtype;               /* What is this */
        unsigned char im_mbz;                   /* Must be zero */
@@ -127,6 +130,7 @@ struct igmpmsg
  */
 
 #ifdef __KERNEL__
+#include <linux/pim.h>
 #include <net/sock.h>
 
 #ifdef CONFIG_IP_MROUTE
@@ -141,14 +145,39 @@ static inline int ip_mroute_opt(int opt)
 }
 #endif
 
-extern int ip_mroute_setsockopt(struct sock *, int, char __user *, int);
+#ifdef CONFIG_IP_MROUTE
+extern int ip_mroute_setsockopt(struct sock *, int, char __user *, unsigned int);
 extern int ip_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
 extern int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg);
-extern void ip_mr_init(void);
+extern int ip_mr_init(void);
+#else
+static inline
+int ip_mroute_setsockopt(struct sock *sock,
+                        int optname, char __user *optval, unsigned int optlen)
+{
+       return -ENOPROTOOPT;
+}
+
+static inline
+int ip_mroute_getsockopt(struct sock *sock,
+                        int optname, char __user *optval, int __user *optlen)
+{
+       return -ENOPROTOOPT;
+}
 
+static inline
+int ipmr_ioctl(struct sock *sk, int cmd, void __user *arg)
+{
+       return -ENOIOCTLCMD;
+}
 
-struct vif_device
+static inline int ip_mr_init(void)
 {
+       return 0;
+}
+#endif
+
+struct vif_device {
        struct net_device       *dev;                   /* Device we are using */
        unsigned long   bytes_in,bytes_out;
        unsigned long   pkt_in,pkt_out;         /* Statistics                   */
@@ -161,9 +190,11 @@ struct vif_device
 
 #define VIFF_STATIC 0x8000
 
-struct mfc_cache 
-{
+struct mfc_cache {
        struct mfc_cache *next;                 /* Next entry on cache line     */
+#ifdef CONFIG_NET_NS
+       struct net *mfc_net;
+#endif
        __be32 mfc_mcastgrp;                    /* Group the entry belongs to   */
        __be32 mfc_origin;                      /* Source of packet             */
        vifi_t mfc_parent;                      /* Source interface             */
@@ -186,6 +217,18 @@ struct mfc_cache
        } mfc_un;
 };
 
+static inline
+struct net *mfc_net(const struct mfc_cache *mfc)
+{
+       return read_pnet(&mfc->mfc_net);
+}
+
+static inline
+void mfc_net_set(struct mfc_cache *mfc, struct net *net)
+{
+       write_pnet(&mfc->mfc_net, hold_net(net));
+}
+
 #define MFC_STATIC             1
 #define MFC_NOTIFY             2
 
@@ -212,7 +255,8 @@ struct mfc_cache
 
 #ifdef __KERNEL__
 struct rtmsg;
-extern int ipmr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait);
+extern int ipmr_get_route(struct net *net, struct sk_buff *skb,
+                         struct rtmsg *rtm, int nowait);
 #endif
 
 #endif