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Release 4.12 include/net/ip6_route.h

Directory: include/net
#ifndef _NET_IP6_ROUTE_H

#define _NET_IP6_ROUTE_H


struct route_info {
	
__u8			type;
	
__u8			length;
	
__u8			prefix_len;
#if defined(__BIG_ENDIAN_BITFIELD)
	
__u8			reserved_h:3,
				
route_pref:2,
				
reserved_l:3;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
	
__u8			reserved_l:3,
				
route_pref:2,
				
reserved_h:3;
#endif
	
__be32			lifetime;
	
__u8			prefix[0];	/* 0,8 or 16 */
};

#include <net/addrconf.h>
#include <net/flow.h>
#include <net/ip6_fib.h>
#include <net/sock.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/route.h>


#define RT6_LOOKUP_F_IFACE		0x00000001

#define RT6_LOOKUP_F_REACHABLE		0x00000002

#define RT6_LOOKUP_F_HAS_SADDR		0x00000004

#define RT6_LOOKUP_F_SRCPREF_TMP	0x00000008

#define RT6_LOOKUP_F_SRCPREF_PUBLIC	0x00000010

#define RT6_LOOKUP_F_SRCPREF_COA	0x00000020

#define RT6_LOOKUP_F_IGNORE_LINKSTATE	0x00000040

/* We do not (yet ?) support IPv6 jumbograms (RFC 2675)
 * Unlike IPv4, hdr->seg_len doesn't include the IPv6 header
 */

#define IP6_MAX_MTU (0xFFFF + sizeof(struct ipv6hdr))

/*
 * rt6_srcprefs2flags() and rt6_flags2srcprefs() translate
 * between IPV6_ADDR_PREFERENCES socket option values
 *      IPV6_PREFER_SRC_TMP    = 0x1
 *      IPV6_PREFER_SRC_PUBLIC = 0x2
 *      IPV6_PREFER_SRC_COA    = 0x4
 * and above RT6_LOOKUP_F_SRCPREF_xxx flags.
 */

static inline int rt6_srcprefs2flags(unsigned int srcprefs) { /* No need to bitmask because srcprefs have only 3 bits. */ return srcprefs << 3; }

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Hideaki Yoshifuji / 吉藤英明17100.00%1100.00%
Total17100.00%1100.00%


static inline unsigned int rt6_flags2srcprefs(int flags) { return (flags >> 3) & 7; }

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Hideaki Yoshifuji / 吉藤英明20100.00%1100.00%
Total20100.00%1100.00%


static inline bool rt6_need_strict(const struct in6_addr *daddr) { return ipv6_addr_type(daddr) & (IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK); }

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Wang Yufen27100.00%1100.00%
Total27100.00%1100.00%

void ip6_route_input(struct sk_buff *skb); struct dst_entry *ip6_route_input_lookup(struct net *net, struct net_device *dev, struct flowi6 *fl6, int flags); struct dst_entry *ip6_route_output_flags(struct net *net, const struct sock *sk, struct flowi6 *fl6, int flags);
static inline struct dst_entry *ip6_route_output(struct net *net, const struct sock *sk, struct flowi6 *fl6) { return ip6_route_output_flags(net, sk, fl6, 0); }

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Paolo Abeni37100.00%1100.00%
Total37100.00%1100.00%

struct dst_entry *ip6_route_lookup(struct net *net, struct flowi6 *fl6, int flags); struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table, int ifindex, struct flowi6 *fl6, int flags); void ip6_route_init_special_entries(void); int ip6_route_init(void); void ip6_route_cleanup(void); int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg); int ip6_route_add(struct fib6_config *cfg); int ip6_ins_rt(struct rt6_info *); int ip6_del_rt(struct rt6_info *);
static inline int ip6_route_get_saddr(struct net *net, struct rt6_info *rt, const struct in6_addr *daddr, unsigned int prefs, struct in6_addr *saddr) { struct inet6_dev *idev = rt ? ip6_dst_idev((struct dst_entry *)rt) : NULL; int err = 0; if (rt && rt->rt6i_prefsrc.plen) *saddr = rt->rt6i_prefsrc.addr; else err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL, daddr, prefs, saddr); return err; }

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PersonTokensPropCommitsCommitProp
David Ahern7272.00%133.33%
Daniel Walter2727.00%133.33%
Eric Dumazet11.00%133.33%
Total100100.00%3100.00%

struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr, const struct in6_addr *saddr, int oif, int flags); struct dst_entry *icmp6_dst_alloc(struct net_device *dev, struct flowi6 *fl6); int icmp6_dst_gc(void); void fib6_force_start_gc(struct net *net); struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, const struct in6_addr *addr, bool anycast); struct rt6_info *ip6_dst_alloc(struct net *net, struct net_device *dev, int flags); /* * support functions for ND * */ struct rt6_info *rt6_get_dflt_router(const struct in6_addr *addr, struct net_device *dev); struct rt6_info *rt6_add_dflt_router(const struct in6_addr *gwaddr, struct net_device *dev, unsigned int pref); void rt6_purge_dflt_routers(struct net *net); int rt6_route_rcv(struct net_device *dev, u8 *opt, int len, const struct in6_addr *gwaddr); void ip6_update_pmtu(struct sk_buff *skb, struct net *net, __be32 mtu, int oif, u32 mark, kuid_t uid); void ip6_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, __be32 mtu); void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark, kuid_t uid); void ip6_redirect_no_header(struct sk_buff *skb, struct net *net, int oif, u32 mark); void ip6_sk_redirect(struct sk_buff *skb, struct sock *sk); struct netlink_callback; struct rt6_rtnl_dump_arg { struct sk_buff *skb; struct netlink_callback *cb; struct net *net; }; int rt6_dump_route(struct rt6_info *rt, void *p_arg); void rt6_ifdown(struct net *net, struct net_device *dev); void rt6_mtu_change(struct net_device *dev, unsigned int mtu); void rt6_remove_prefsrc(struct inet6_ifaddr *ifp); void rt6_clean_tohost(struct net *net, struct in6_addr *gateway); /* * Store a destination cache entry in a socket */
static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst, const struct in6_addr *daddr, const struct in6_addr *saddr) { struct ipv6_pinfo *np = inet6_sk(sk); np->dst_cookie = rt6_get_cookie((struct rt6_info *)dst); sk_setup_caps(sk, dst); np->daddr_cache = daddr; #ifdef CONFIG_IPV6_SUBTREES np->saddr_cache = saddr; #endif }

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Linus Torvalds (pre-git)4659.74%654.55%
Hideaki Yoshifuji / 吉藤英明1620.78%19.09%
Eric Dumazet1114.29%218.18%
David S. Miller33.90%19.09%
Herbert Xu11.30%19.09%
Total77100.00%11100.00%


static inline bool ipv6_unicast_destination(const struct sk_buff *skb) { struct rt6_info *rt = (struct rt6_info *) skb_dst(skb); return rt->rt6i_flags & RTF_LOCAL; }

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Alexey Kuznetsov3085.71%133.33%
Eric Dumazet514.29%266.67%
Total35100.00%3100.00%


static inline bool ipv6_anycast_destination(const struct dst_entry *dst, const struct in6_addr *daddr) { struct rt6_info *rt = (struct rt6_info *)dst; return rt->rt6i_flags & RTF_ANYCAST || (rt->rt6i_dst.plen != 128 && ipv6_addr_equal(&rt->rt6i_dst.addr, daddr)); }

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Martin KaFai Lau3151.67%150.00%
François-Xavier Le Bail2948.33%150.00%
Total60100.00%2100.00%

int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb, int (*output)(struct net *, struct sock *, struct sk_buff *));
static inline int ip6_skb_dst_mtu(struct sk_buff *skb) { struct ipv6_pinfo *np = skb->sk && !dev_recursion_level() ? inet6_sk(skb->sk) : NULL; return (np && np->pmtudisc >= IPV6_PMTUDISC_PROBE) ? skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb)); }

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David L Stevens5791.94%133.33%
Hannes Frederic Sowa58.06%266.67%
Total62100.00%3100.00%


static inline bool ip6_sk_accept_pmtu(const struct sock *sk) { return inet6_sk(sk)->pmtudisc != IPV6_PMTUDISC_INTERFACE && inet6_sk(sk)->pmtudisc != IPV6_PMTUDISC_OMIT; }

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PersonTokensPropCommitsCommitProp
Hannes Frederic Sowa32100.00%2100.00%
Total32100.00%2100.00%


static inline bool ip6_sk_ignore_df(const struct sock *sk) { return inet6_sk(sk)->pmtudisc < IPV6_PMTUDISC_DO || inet6_sk(sk)->pmtudisc == IPV6_PMTUDISC_OMIT; }

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PersonTokensPropCommitsCommitProp
Hannes Frederic Sowa3196.88%266.67%
Américo Wang13.12%133.33%
Total32100.00%3100.00%


static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt, struct in6_addr *daddr) { if (rt->rt6i_flags & RTF_GATEWAY) return &rt->rt6i_gateway; else if (unlikely(rt->rt6i_flags & RTF_CACHE)) return &rt->rt6i_dst.addr; else return daddr; }

Contributors

PersonTokensPropCommitsCommitProp
Martin KaFai Lau3764.91%266.67%
Hideaki Yoshifuji / 吉藤英明2035.09%133.33%
Total57100.00%3100.00%

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Hideaki Yoshifuji / 吉藤英明22117.79%1215.79%
Linus Torvalds (pre-git)21717.47%810.53%
David Ahern12510.06%45.26%
David S. Miller987.89%810.53%
David L Stevens776.20%11.32%
Martin KaFai Lau685.48%22.63%
Hannes Frederic Sowa685.48%33.95%
Paolo Abeni413.30%11.32%
Daniel Walter362.90%11.32%
Duan Jiong342.74%22.63%
Alexey Kuznetsov302.42%11.32%
Daniel Lezcano292.33%79.21%
François-Xavier Le Bail292.33%11.32%
Patrick McHardy282.25%11.32%
Wang Yufen272.17%11.32%
Eric Dumazet262.09%79.21%
Mahesh Bandewar241.93%11.32%
Florian Westphal201.61%22.63%
Eric W. Biedermann90.72%11.32%
Américo Wang70.56%22.63%
Christoph Hellwig60.48%11.32%
Lorenzo Colitti60.48%11.32%
Brian Haley50.40%11.32%
Kazunori Miyazawa50.40%22.63%
Al Viro20.16%22.63%
Thomas Graf20.16%11.32%
Herbert Xu10.08%11.32%
Stephen Hemminger10.08%11.32%
Total1242100.00%76100.00%
Directory: include/net
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