FM / net

/usr/src/linux-headers-5.15.0-190/include/net/

/usr/src/linux-headers-5.15.0-190/include/net

Name	Size	Mode	Actions
9p/	-	0755	rm
bluetooth/	-	0755	rm
caif/	-	0755	rm
iucv/	-	0755	rm
netfilter/	-	0755	rm
netns/	-	0755	rm
nfc/	-	0755	rm
phonet/	-	0755	rm
sctp/	-	0755	rm
tc_act/	-	0755	rm
6lowpan.h	10270	0644	edit dl rm
act_api.h	8728	0644	edit dl rm
addrconf.h	14594	0644	edit dl rm
af_ieee802154.h	1220	0644	edit dl rm
af_rxrpc.h	2798	0644	edit dl rm
af_unix.h	3375	0644	edit dl rm
af_vsock.h	7592	0644	edit dl rm
ah.h	382	0644	edit dl rm
arp.h	2141	0644	edit dl rm
atmclip.h	1515	0644	edit dl rm
ax25.h	15443	0644	edit dl rm
ax88796.h	1440	0644	edit dl rm
bareudp.h	572	0644	edit dl rm
bonding.h	20263	0644	edit dl rm
bond_3ad.h	9706	0644	edit dl rm
bond_alb.h	6251	0644	edit dl rm
bond_options.h	3876	0644	edit dl rm
bpf_sk_storage.h	1780	0644	edit dl rm
busy_poll.h	3959	0644	edit dl rm
calipso.h	1590	0644	edit dl rm
cfg80211-wext.h	1854	0644	edit dl rm
cfg80211.h	301317	0644	edit dl rm
cfg802154.h	10779	0644	edit dl rm
checksum.h	4869	0644	edit dl rm
cipso_ipv4.h	7548	0644	edit dl rm
cls_cgroup.h	2086	0644	edit dl rm
codel.h	5782	0644	edit dl rm
codel_impl.h	8167	0644	edit dl rm
codel_qdisc.h	2973	0644	edit dl rm
compat.h	2586	0644	edit dl rm
datalink.h	619	0644	edit dl rm
dcbevent.h	742	0644	edit dl rm
dcbnl.h	4317	0644	edit dl rm
devlink.h	63593	0644	edit dl rm
dsa.h	36231	0644	edit dl rm
dsfield.h	1147	0644	edit dl rm
dst.h	15153	0644	edit dl rm
dst_cache.h	3031	0644	edit dl rm
dst_metadata.h	5521	0644	edit dl rm
dst_ops.h	2125	0644	edit dl rm
erspan.h	9180	0644	edit dl rm
esp.h	1190	0644	edit dl rm
espintcp.h	966	0644	edit dl rm
ethoc.h	391	0644	edit dl rm
failover.h	1178	0644	edit dl rm
fib_notifier.h	1384	0644	edit dl rm
fib_rules.h	6450	0644	edit dl rm
firewire.h	636	0644	edit dl rm
flow.h	5119	0644	edit dl rm
flow_dissector.h	11033	0644	edit dl rm
flow_offload.h	15938	0644	edit dl rm
fou.h	549	0644	edit dl rm
fq.h	2528	0644	edit dl rm
fq_impl.h	8076	0644	edit dl rm
garp.h	2678	0644	edit dl rm
genetlink.h	13854	0644	edit dl rm
geneve.h	1898	0644	edit dl rm
gen_stats.h	2889	0644	edit dl rm
gre.h	3369	0644	edit dl rm
gro.h	783	0644	edit dl rm
gro_cells.h	443	0644	edit dl rm
gtp.h	633	0644	edit dl rm
gue.h	3313	0644	edit dl rm
hwbm.h	969	0644	edit dl rm
icmp.h	1918	0644	edit dl rm
ieee80211_radiotap.h	13518	0644	edit dl rm
ieee802154_netdev.h	10095	0644	edit dl rm
ife.h	1057	0644	edit dl rm
if_inet6.h	6692	0644	edit dl rm
ila.h	291	0644	edit dl rm
inet6_connection_sock.h	765	0644	edit dl rm
inet6_hashtables.h	4259	0644	edit dl rm
inetpeer.h	3372	0644	edit dl rm
inet_common.h	2614	0644	edit dl rm
inet_connection_sock.h	11608	0644	edit dl rm
inet_ecn.h	7625	0644	edit dl rm
inet_frag.h	5046	0644	edit dl rm
inet_hashtables.h	12532	0644	edit dl rm
inet_sock.h	9994	0644	edit dl rm
inet_timewait_sock.h	3735	0644	edit dl rm
ioam6.h	1248	0644	edit dl rm
ip.h	22759	0644	edit dl rm
ip6_checksum.h	2770	0644	edit dl rm
ip6_fib.h	16280	0644	edit dl rm
ip6_route.h	10230	0644	edit dl rm
ip6_tunnel.h	5096	0644	edit dl rm
ipcomp.h	659	0644	edit dl rm
ipconfig.h	811	0644	edit dl rm
ipv6.h	35990	0644	edit dl rm
ipv6_frag.h	3361	0644	edit dl rm
ipv6_stubs.h	3482	0644	edit dl rm
ip_fib.h	16346	0644	edit dl rm
ip_tunnels.h	15949	0644	edit dl rm
ip_vs.h	50588	0644	edit dl rm
iw_handler.h	21413	0644	edit dl rm
kcm.h	4961	0644	edit dl rm
l3mdev.h	7202	0644	edit dl rm
lag.h	409	0644	edit dl rm
lapb.h	4938	0644	edit dl rm
lib80211.h	4017	0644	edit dl rm
llc.h	4514	0644	edit dl rm
llc_conn.h	4155	0644	edit dl rm
llc_c_ac.h	9537	0644	edit dl rm
llc_c_ev.h	10940	0644	edit dl rm
llc_c_st.h	1762	0644	edit dl rm
llc_if.h	2210	0644	edit dl rm
llc_pdu.h	14697	0644	edit dl rm
llc_sap.h	1108	0644	edit dl rm
llc_s_ac.h	1591	0644	edit dl rm
llc_s_ev.h	2255	0644	edit dl rm
llc_s_st.h	947	0644	edit dl rm
lwtunnel.h	6806	0644	edit dl rm
mac80211.h	274120	0644	edit dl rm
mac802154.h	15235	0644	edit dl rm
macsec.h	7084	0644	edit dl rm
mctp.h	6155	0644	edit dl rm
mctpdevice.h	841	0644	edit dl rm
mip6.h	1016	0644	edit dl rm
mld.h	2918	0644	edit dl rm
mpls.h	943	0644	edit dl rm
mpls_iptunnel.h	429	0644	edit dl rm
mptcp.h	6776	0644	edit dl rm
mrp.h	3119	0644	edit dl rm
ncsi.h	1964	0644	edit dl rm
ndisc.h	15150	0644	edit dl rm
neighbour.h	16099	0644	edit dl rm
netevent.h	1044	0644	edit dl rm
netlabel.h	20676	0644	edit dl rm
netlink.h	61892	0644	edit dl rm
netprio_cgroup.h	1047	0644	edit dl rm
netrom.h	7895	0644	edit dl rm
net_failover.h	1023	0644	edit dl rm
net_namespace.h	12795	0644	edit dl rm
net_ratelimit.h	220	0644	edit dl rm
nexthop.h	12565	0644	edit dl rm
nl802154.h	12384	0644	edit dl rm
nsh.h	12602	0644	edit dl rm
p8022.h	447	0644	edit dl rm
page_pool.h	8646	0644	edit dl rm
pie.h	3695	0644	edit dl rm
ping.h	2970	0644	edit dl rm
pkt_cls.h	24431	0644	edit dl rm
pkt_sched.h	6042	0644	edit dl rm
pptp.h	557	0644	edit dl rm
protocol.h	3900	0644	edit dl rm
psample.h	1083	0644	edit dl rm
psnap.h	351	0644	edit dl rm
raw.h	2136	0644	edit dl rm
rawv6.h	854	0644	edit dl rm
red.h	11600	0644	edit dl rm
regulatory.h	10901	0644	edit dl rm
request_sock.h	6660	0644	edit dl rm
rose.h	7802	0644	edit dl rm
route.h	11361	0644	edit dl rm
rpl.h	839	0644	edit dl rm
rsi_91x.h	1710	0644	edit dl rm
rtnetlink.h	7638	0644	edit dl rm
rtnh.h	859	0644	edit dl rm
sch_generic.h	34991	0644	edit dl rm
scm.h	3877	0644	edit dl rm
secure_seq.h	855	0644	edit dl rm
seg6.h	2237	0644	edit dl rm
seg6_hmac.h	1473	0644	edit dl rm
seg6_local.h	644	0644	edit dl rm
selftests.h	582	0644	edit dl rm
slhc_vj.h	6831	0644	edit dl rm
smc.h	2513	0644	edit dl rm
snmp.h	5268	0644	edit dl rm
sock.h	86351	0644	edit dl rm
sock_reuseport.h	1873	0644	edit dl rm
Space.h	737	0644	edit dl rm
stp.h	383	0644	edit dl rm
strparser.h	4250	0644	edit dl rm
switchdev.h	14614	0644	edit dl rm
tcp.h	75327	0644	edit dl rm
tcp_states.h	1225	0644	edit dl rm
timewait_sock.h	925	0644	edit dl rm
tipc.h	2405	0644	edit dl rm
tls.h	21465	0644	edit dl rm
tls_toe.h	3006	0644	edit dl rm
transp_v6.h	1996	0644	edit dl rm
tso.h	566	0644	edit dl rm
tun_proto.h	988	0644	edit dl rm
udp.h	17035	0644	edit dl rm
udplite.h	3762	0644	edit dl rm
udp_tunnel.h	12739	0644	edit dl rm
vsock_addr.h	662	0644	edit dl rm
vxlan.h	14424	0644	edit dl rm
wext.h	1510	0644	edit dl rm
x25.h	9718	0644	edit dl rm
x25device.h	387	0644	edit dl rm
xdp.h	8829	0644	edit dl rm
xdp_priv.h	446	0644	edit dl rm
xdp_sock.h	2094	0644	edit dl rm
xdp_sock_drv.h	5607	0644	edit dl rm
xfrm.h	56304	0644	edit dl rm
xsk_buff_pool.h	5138	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/include/net/ip6_route.h (10230B)

/* SPDX-License-Identifier: GPL-2.0 */
#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[];	/* 0,8 or 16 */
};

#include <net/addrconf.h>
#include <net/flow.h>
#include <net/ip6_fib.h>
#include <net/sock.h>
#include <net/lwtunnel.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <linux/route.h>
#include <net/nexthop.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
#define RT6_LOOKUP_F_DST_NOREF		0x00000080

/* 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;
}

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

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);
}

/* fib entries using a nexthop object can not be coalesced into
 * a multipath route
 */
static inline bool rt6_qualify_for_ecmp(const struct fib6_info *f6i)
{
	/* the RTF_ADDRCONF flag filters out RA's */
	return !(f6i->fib6_flags & RTF_ADDRCONF) && !f6i->nh &&
		f6i->fib6_nh->fib_nh_gw_family;
}

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,
					 const struct sk_buff *skb, int flags);

struct dst_entry *ip6_route_output_flags_noref(struct net *net,
					       const struct sock *sk,
					       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);
}

/* Only conditionally release dst if flags indicates
 * !RT6_LOOKUP_F_DST_NOREF or dst is in uncached_list.
 */
static inline void ip6_rt_put_flags(struct rt6_info *rt, int flags)
{
	if (!(flags & RT6_LOOKUP_F_DST_NOREF) ||
	    !list_empty(&rt->rt6i_uncached))
		ip6_rt_put(rt);
}

struct dst_entry *ip6_route_lookup(struct net *net, struct flowi6 *fl6,
				   const struct sk_buff *skb, int flags);
struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table,
			       int ifindex, struct flowi6 *fl6,
			       const struct sk_buff *skb, 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,
		struct in6_rtmsg *rtmsg);

int ip6_route_add(struct fib6_config *cfg, gfp_t gfp_flags,
		  struct netlink_ext_ack *extack);
int ip6_ins_rt(struct net *net, struct fib6_info *f6i);
int ip6_del_rt(struct net *net, struct fib6_info *f6i, bool skip_notify);

void rt6_flush_exceptions(struct fib6_info *f6i);
void rt6_age_exceptions(struct fib6_info *f6i, struct fib6_gc_args *gc_args,
			unsigned long now);

static inline int ip6_route_get_saddr(struct net *net, struct fib6_info *f6i,
				      const struct in6_addr *daddr,
				      unsigned int prefs,
				      struct in6_addr *saddr)
{
	int err = 0;

if (f6i && f6i->fib6_prefsrc.plen) {
		*saddr = f6i->fib6_prefsrc.addr;
	} else {
		struct net_device *dev = f6i ? fib6_info_nh_dev(f6i) : NULL;

err = ipv6_dev_get_saddr(net, dev, daddr, prefs, saddr);
	}

return err;
}

struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
			    const struct in6_addr *saddr, int oif,
			    const struct sk_buff *skb, int flags);
u32 rt6_multipath_hash(const struct net *net, const struct flowi6 *fl6,
		       const struct sk_buff *skb, struct flow_keys *hkeys);

struct dst_entry *icmp6_dst_alloc(struct net_device *dev, struct flowi6 *fl6);

void fib6_force_start_gc(struct net *net);

struct fib6_info *addrconf_f6i_alloc(struct net *net, struct inet6_dev *idev,
				     const struct in6_addr *addr, bool anycast,
				     gfp_t gfp_flags);

struct rt6_info *ip6_dst_alloc(struct net *net, struct net_device *dev,
			       int flags);

/*
 *	support functions for ND
 *
 */
struct fib6_info *rt6_get_dflt_router(struct net *net,
				     const struct in6_addr *addr,
				     struct net_device *dev);
struct fib6_info *rt6_add_dflt_router(struct net *net,
				     const struct in6_addr *gwaddr,
				     struct net_device *dev, unsigned int pref,
				     u32 defrtr_usr_metric);

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);
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;
	struct fib_dump_filter filter;
};

int rt6_dump_route(struct fib6_info *f6i, void *p_arg, unsigned int skip);
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);
void rt6_sync_up(struct net_device *dev, unsigned char nh_flags);
void rt6_disable_ip(struct net_device *dev, unsigned long event);
void rt6_sync_down_dev(struct net_device *dev, unsigned long event);
void rt6_multipath_rebalance(struct fib6_info *f6i);

void rt6_uncached_list_add(struct rt6_info *rt);
void rt6_uncached_list_del(struct rt6_info *rt);

static inline const struct rt6_info *skb_rt6_info(const struct sk_buff *skb)
{
	const struct dst_entry *dst = skb_dst(skb);
	const struct rt6_info *rt6 = NULL;

if (dst)
		rt6 = container_of(dst, struct rt6_info, dst);

return rt6;
}

/*
 *	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
}

void ip6_sk_dst_store_flow(struct sock *sk, struct dst_entry *dst,
			   const struct flowi6 *fl6);

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;
}

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 < 127 &&
		 !(rt->rt6i_flags & (RTF_GATEWAY | RTF_NONEXTHOP)) &&
		 ipv6_addr_equal(&rt->rt6i_dst.addr, daddr));
}

int ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
		 int (*output)(struct net *, struct sock *, struct sk_buff *));

static inline unsigned int ip6_skb_dst_mtu(struct sk_buff *skb)
{
	unsigned int mtu;

struct ipv6_pinfo *np = skb->sk && !dev_recursion_level() ?
				inet6_sk(skb->sk) : NULL;

if (np && np->pmtudisc >= IPV6_PMTUDISC_PROBE) {
		mtu = READ_ONCE(skb_dst(skb)->dev->mtu);
		mtu -= lwtunnel_headroom(skb_dst(skb)->lwtstate, mtu);
	} else
		mtu = dst_mtu(skb_dst(skb));

return mtu;
}

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;
}

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;
}

static inline const struct in6_addr *rt6_nexthop(const struct rt6_info *rt,
						 const 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;
}

static inline bool rt6_duplicate_nexthop(struct fib6_info *a, struct fib6_info *b)
{
	struct fib6_nh *nha, *nhb;

if (a->nh || b->nh)
		return nexthop_cmp(a->nh, b->nh);

nha = a->fib6_nh;
	nhb = b->fib6_nh;
	return nha->fib_nh_dev == nhb->fib_nh_dev &&
	       ipv6_addr_equal(&nha->fib_nh_gw6, &nhb->fib_nh_gw6) &&
	       !lwtunnel_cmp_encap(nha->fib_nh_lws, nhb->fib_nh_lws);
}

static inline unsigned int ip6_dst_mtu_maybe_forward(const struct dst_entry *dst,
						     bool forwarding)
{
	struct inet6_dev *idev;
	unsigned int mtu;

if (!forwarding || dst_metric_locked(dst, RTAX_MTU)) {
		mtu = dst_metric_raw(dst, RTAX_MTU);
		if (mtu)
			goto out;
	}

mtu = IPV6_MIN_MTU;
	rcu_read_lock();
	idev = __in6_dev_get(dst->dev);
	if (idev)
		mtu = idev->cnf.mtu6;
	rcu_read_unlock();

out:
	return mtu - lwtunnel_headroom(dst->lwtstate, mtu);
}

u32 ip6_mtu_from_fib6(const struct fib6_result *res,
		      const struct in6_addr *daddr,
		      const struct in6_addr *saddr);

struct neighbour *ip6_neigh_lookup(const struct in6_addr *gw,
				   struct net_device *dev, struct sk_buff *skb,
				   const void *daddr);
#endif

cmd: