Gecko [ paroquia-rio-de-mouro.pt ]

Name	Size	Permission	Date
9p	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
bluetooth	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
caif	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
irda	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
iucv	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
netfilter	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
netns	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
nfc	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
phonet	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
sctp	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
tc_act	[ DIR ]	drwxr-xr-x	2018-04-05 07:11
6lowpan.h	7.53 KB	-rw-r--r--	2016-01-11 00:01
Space.h	1.12 KB	-rw-r--r--	2016-01-11 00:01
act_api.h	4.21 KB	-rw-r--r--	2016-01-11 00:01
addrconf.h	11.45 KB	-rw-r--r--	2018-04-02 18:07
af_ieee802154.h	1.55 KB	-rw-r--r--	2016-01-11 00:01
af_rxrpc.h	1.82 KB	-rw-r--r--	2016-01-11 00:01
af_unix.h	2.12 KB	-rw-r--r--	2018-04-02 18:07
af_vsock.h	6.17 KB	-rw-r--r--	2016-01-11 00:01
ah.h	343 B	-rw-r--r--	2016-01-11 00:01
arp.h	1.83 KB	-rw-r--r--	2018-04-02 18:07
atmclip.h	1.44 KB	-rw-r--r--	2016-01-11 00:01
ax25.h	14.53 KB	-rw-r--r--	2016-01-11 00:01
ax88796.h	998 B	-rw-r--r--	2016-01-11 00:01
bond_3ad.h	9.73 KB	-rw-r--r--	2016-01-11 00:01
bond_alb.h	6.6 KB	-rw-r--r--	2016-01-11 00:01
bond_options.h	3.82 KB	-rw-r--r--	2016-01-11 00:01
bonding.h	18.41 KB	-rw-r--r--	2018-04-02 18:07
busy_poll.h	3.97 KB	-rw-r--r--	2016-01-11 00:01
cfg80211-wext.h	1.95 KB	-rw-r--r--	2016-01-11 00:01
cfg80211.h	187.7 KB	-rw-r--r--	2018-04-02 18:07
cfg802154.h	10.59 KB	-rw-r--r--	2016-01-11 00:01
checksum.h	4.53 KB	-rw-r--r--	2016-01-11 00:01
cipso_ipv4.h	8.17 KB	-rw-r--r--	2018-04-02 18:07
cls_cgroup.h	2.03 KB	-rw-r--r--	2016-01-11 00:01
codel.h	11.37 KB	-rw-r--r--	2018-04-02 18:07
compat.h	2 KB	-rw-r--r--	2016-01-11 00:01
datalink.h	580 B	-rw-r--r--	2016-01-11 00:01
dcbevent.h	1.26 KB	-rw-r--r--	2016-01-11 00:01
dcbnl.h	4.2 KB	-rw-r--r--	2016-01-11 00:01
dn.h	7 KB	-rw-r--r--	2016-01-11 00:01
dn_dev.h	5.32 KB	-rw-r--r--	2016-01-11 00:01
dn_fib.h	3.91 KB	-rw-r--r--	2016-01-11 00:01
dn_neigh.h	929 B	-rw-r--r--	2016-01-11 00:01
dn_nsp.h	5.87 KB	-rw-r--r--	2016-01-11 00:01
dn_route.h	4.36 KB	-rw-r--r--	2016-01-11 00:01
dsa.h	8.93 KB	-rw-r--r--	2016-01-11 00:01
dsfield.h	1.07 KB	-rw-r--r--	2016-01-11 00:01
dst.h	13.42 KB	-rw-r--r--	2018-04-02 18:07
dst_metadata.h	3.61 KB	-rw-r--r--	2018-04-02 18:07
dst_ops.h	2.03 KB	-rw-r--r--	2018-04-02 18:07
esp.h	225 B	-rw-r--r--	2016-01-11 00:01
ethoc.h	538 B	-rw-r--r--	2016-01-11 00:01
fib_rules.h	2.99 KB	-rw-r--r--	2016-01-11 00:01
firewire.h	597 B	-rw-r--r--	2016-01-11 00:01
flow.h	6.78 KB	-rw-r--r--	2016-01-11 00:01
flow_dissector.h	4.84 KB	-rw-r--r--	2016-01-11 00:01
flowcache.h	561 B	-rw-r--r--	2016-01-11 00:01
fou.h	499 B	-rw-r--r--	2016-01-11 00:01
garp.h	2.58 KB	-rw-r--r--	2016-01-11 00:01
gen_stats.h	2.13 KB	-rw-r--r--	2016-01-11 00:01
genetlink.h	13.31 KB	-rw-r--r--	2018-04-02 18:07
geneve.h	1.82 KB	-rw-r--r--	2018-04-02 18:07
gre.h	661 B	-rw-r--r--	2016-01-11 00:01
gro_cells.h	1.94 KB	-rw-r--r--	2016-01-11 00:01
gue.h	3.19 KB	-rw-r--r--	2016-01-11 00:01
icmp.h	1.53 KB	-rw-r--r--	2016-01-11 00:01
ieee80211_radiotap.h	12.22 KB	-rw-r--r--	2016-01-11 00:01
ieee802154_netdev.h	9.13 KB	-rw-r--r--	2016-01-11 00:01
if_inet6.h	6.07 KB	-rw-r--r--	2016-01-11 00:01
inet6_connection_sock.h	1.1 KB	-rw-r--r--	2016-01-11 00:01
inet6_hashtables.h	3.25 KB	-rw-r--r--	2016-01-11 00:01
inet_common.h	1.6 KB	-rw-r--r--	2016-01-11 00:01
inet_connection_sock.h	10.41 KB	-rw-r--r--	2018-04-02 18:07
inet_ecn.h	6.02 KB	-rw-r--r--	2018-04-02 18:07
inet_frag.h	4.36 KB	-rw-r--r--	2018-04-02 18:07
inet_hashtables.h	12.02 KB	-rw-r--r--	2016-01-11 00:01
inet_sock.h	7.87 KB	-rw-r--r--	2018-04-02 18:07
inet_timewait_sock.h	4.11 KB	-rw-r--r--	2016-01-11 00:01
inetpeer.h	3.44 KB	-rw-r--r--	2016-01-11 00:01
ip.h	17.13 KB	-rw-r--r--	2018-04-02 18:07
ip6_checksum.h	2.91 KB	-rw-r--r--	2016-01-11 00:01
ip6_fib.h	7.21 KB	-rw-r--r--	2018-04-02 18:07
ip6_route.h	6.17 KB	-rw-r--r--	2018-04-02 18:07
ip6_tunnel.h	3.28 KB	-rw-r--r--	2018-04-02 18:07
ip_fib.h	9.36 KB	-rw-r--r--	2018-04-02 18:07
ip_tunnels.h	10.69 KB	-rw-r--r--	2018-04-02 18:07
ip_vs.h	46.13 KB	-rw-r--r--	2018-04-02 18:07
ipcomp.h	620 B	-rw-r--r--	2016-01-11 00:01
ipconfig.h	772 B	-rw-r--r--	2016-01-11 00:01
ipv6.h	28.59 KB	-rw-r--r--	2018-04-02 18:07
ipx.h	4.32 KB	-rw-r--r--	2016-01-11 00:01
iw_handler.h	22.21 KB	-rw-r--r--	2018-04-02 18:07
l3mdev.h	5.18 KB	-rw-r--r--	2018-04-02 18:07
lapb.h	4.69 KB	-rw-r--r--	2016-01-11 00:01
lib80211.h	3.88 KB	-rw-r--r--	2016-01-11 00:01
llc.h	4.25 KB	-rw-r--r--	2016-01-11 00:01
llc_c_ac.h	9.34 KB	-rw-r--r--	2016-01-11 00:01
llc_c_ev.h	10.68 KB	-rw-r--r--	2016-01-11 00:01
llc_c_st.h	1.72 KB	-rw-r--r--	2016-01-11 00:01
llc_conn.h	4 KB	-rw-r--r--	2016-01-11 00:01
llc_if.h	2.16 KB	-rw-r--r--	2016-01-11 00:01
llc_pdu.h	14.08 KB	-rw-r--r--	2016-01-11 00:01
llc_s_ac.h	1.55 KB	-rw-r--r--	2016-01-11 00:01
llc_s_ev.h	2.2 KB	-rw-r--r--	2016-01-11 00:01
llc_s_st.h	947 B	-rw-r--r--	2016-01-11 00:01
llc_sap.h	1.08 KB	-rw-r--r--	2016-01-11 00:01
lwtunnel.h	4.07 KB	-rw-r--r--	2016-01-11 00:01
mac80211.h	212.7 KB	-rw-r--r--	2018-04-02 18:07
mac802154.h	12.1 KB	-rw-r--r--	2016-01-11 00:01
mip6.h	1.58 KB	-rw-r--r--	2016-01-11 00:01
mld.h	2.76 KB	-rw-r--r--	2016-01-11 00:01
mpls.h	1.14 KB	-rw-r--r--	2016-01-11 00:01
mpls_iptunnel.h	815 B	-rw-r--r--	2016-01-11 00:01
mrp.h	2.99 KB	-rw-r--r--	2016-01-11 00:01
ndisc.h	5.75 KB	-rw-r--r--	2018-04-02 18:07
neighbour.h	14.16 KB	-rw-r--r--	2016-01-11 00:01
net_namespace.h	9.2 KB	-rw-r--r--	2018-04-02 18:07
net_ratelimit.h	181 B	-rw-r--r--	2016-01-11 00:01
netevent.h	739 B	-rw-r--r--	2016-01-11 00:01
netlabel.h	17.25 KB	-rw-r--r--	2016-01-11 00:01
netlink.h	36.13 KB	-rw-r--r--	2016-01-11 00:01
netprio_cgroup.h	1.08 KB	-rw-r--r--	2016-01-11 00:01
netrom.h	7.61 KB	-rw-r--r--	2016-01-11 00:01
nexthop.h	821 B	-rw-r--r--	2016-01-11 00:01
nl802154.h	11.89 KB	-rw-r--r--	2016-01-11 00:01
p8022.h	408 B	-rw-r--r--	2016-01-11 00:01
ping.h	3.52 KB	-rw-r--r--	2016-01-11 00:01
pkt_cls.h	9.61 KB	-rw-r--r--	2018-04-02 18:07
pkt_sched.h	3.77 KB	-rw-r--r--	2016-01-11 00:01
protocol.h	4.09 KB	-rw-r--r--	2016-01-11 00:01
psnap.h	312 B	-rw-r--r--	2016-01-11 00:01
raw.h	1.84 KB	-rw-r--r--	2016-01-11 00:01
rawv6.h	543 B	-rw-r--r--	2016-01-11 00:01
red.h	10.03 KB	-rw-r--r--	2016-01-11 00:01
regulatory.h	10.12 KB	-rw-r--r--	2016-01-11 00:01
request_sock.h	6.38 KB	-rw-r--r--	2016-01-11 00:01
rose.h	7.59 KB	-rw-r--r--	2016-01-11 00:01
route.h	9.35 KB	-rw-r--r--	2016-01-11 00:01
rtnetlink.h	5.37 KB	-rw-r--r--	2016-01-11 00:01
sch_generic.h	20.05 KB	-rw-r--r--	2018-04-02 18:07
scm.h	3.44 KB	-rw-r--r--	2018-04-02 18:07
secure_seq.h	677 B	-rw-r--r--	2016-01-11 00:01
slhc_vj.h	6.63 KB	-rw-r--r--	2016-01-11 00:01
snmp.h	5.75 KB	-rw-r--r--	2016-01-11 00:01
sock.h	64.74 KB	-rw-r--r--	2018-04-02 18:07
stp.h	344 B	-rw-r--r--	2016-01-11 00:01
switchdev.h	8.81 KB	-rw-r--r--	2018-04-02 18:07
tcp.h	54.1 KB	-rw-r--r--	2018-04-02 18:07
tcp_memcontrol.h	254 B	-rw-r--r--	2016-01-11 00:01
tcp_states.h	1.26 KB	-rw-r--r--	2016-01-11 00:01
timewait_sock.h	1.11 KB	-rw-r--r--	2016-01-11 00:01
transp_v6.h	1.83 KB	-rw-r--r--	2016-01-11 00:01
tso.h	446 B	-rw-r--r--	2016-01-11 00:01
udp.h	9.77 KB	-rw-r--r--	2016-01-11 00:01
udp_tunnel.h	3.24 KB	-rw-r--r--	2016-01-11 00:01
udplite.h	3.75 KB	-rw-r--r--	2016-01-11 00:01
vsock_addr.h	1.05 KB	-rw-r--r--	2016-01-11 00:01
vxlan.h	6.99 KB	-rw-r--r--	2018-04-02 18:07
wext.h	1.47 KB	-rw-r--r--	2016-01-11 00:01
wimax.h	19.97 KB	-rw-r--r--	2016-01-11 00:01
x25.h	9.35 KB	-rw-r--r--	2016-01-11 00:01
x25device.h	348 B	-rw-r--r--	2016-01-11 00:01
xfrm.h	49.3 KB	-rw-r--r--	2018-04-02 18:07

Rename

/*
 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 *		operating system.  INET is implemented using the  BSD Socket
 *		interface as the means of communication with the user level.
 *
 *		Checksumming functions for IP, TCP, UDP and so on
 *
 * Authors:	Jorge Cwik, <jorge@laser.satlink.net>
 *		Arnt Gulbrandsen, <agulbra@nvg.unit.no>
 *		Borrows very liberally from tcp.c and ip.c, see those
 *		files for more names.
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 */

#ifndef _CHECKSUM_H
#define _CHECKSUM_H

#include <linux/errno.h>
#include <asm/types.h>
#include <asm/byteorder.h>
#include <asm/uaccess.h>
#include <asm/checksum.h>

#ifndef _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
static inline
__wsum csum_and_copy_from_user (const void __user *src, void *dst,
				      int len, __wsum sum, int *err_ptr)
{
	if (access_ok(VERIFY_READ, src, len))
		return csum_partial_copy_from_user(src, dst, len, sum, err_ptr);

if (len)
		*err_ptr = -EFAULT;

return sum;
}
#endif

#ifndef HAVE_CSUM_COPY_USER
static __inline__ __wsum csum_and_copy_to_user
(const void *src, void __user *dst, int len, __wsum sum, int *err_ptr)
{
	sum = csum_partial(src, len, sum);

if (access_ok(VERIFY_WRITE, dst, len)) {
		if (copy_to_user(dst, src, len) == 0)
			return sum;
	}
	if (len)
		*err_ptr = -EFAULT;

return (__force __wsum)-1; /* invalid checksum */
}
#endif

#ifndef HAVE_ARCH_CSUM_ADD
static inline __wsum csum_add(__wsum csum, __wsum addend)
{
	u32 res = (__force u32)csum;
	res += (__force u32)addend;
	return (__force __wsum)(res + (res < (__force u32)addend));
}
#endif

static inline __wsum csum_sub(__wsum csum, __wsum addend)
{
	return csum_add(csum, ~addend);
}

static inline __sum16 csum16_add(__sum16 csum, __be16 addend)
{
	u16 res = (__force u16)csum;

res += (__force u16)addend;
	return (__force __sum16)(res + (res < (__force u16)addend));
}

static inline __sum16 csum16_sub(__sum16 csum, __be16 addend)
{
	return csum16_add(csum, ~addend);
}

static inline __wsum
csum_block_add(__wsum csum, __wsum csum2, int offset)
{
	u32 sum = (__force u32)csum2;
	if (offset&1)
		sum = ((sum&0xFF00FF)<<8)+((sum>>8)&0xFF00FF);
	return csum_add(csum, (__force __wsum)sum);
}

static inline __wsum
csum_block_add_ext(__wsum csum, __wsum csum2, int offset, int len)
{
	return csum_block_add(csum, csum2, offset);
}

static inline __wsum
csum_block_sub(__wsum csum, __wsum csum2, int offset)
{
	u32 sum = (__force u32)csum2;
	if (offset&1)
		sum = ((sum&0xFF00FF)<<8)+((sum>>8)&0xFF00FF);
	return csum_sub(csum, (__force __wsum)sum);
}

static inline __wsum csum_unfold(__sum16 n)
{
	return (__force __wsum)n;
}

static inline __wsum csum_partial_ext(const void *buff, int len, __wsum sum)
{
	return csum_partial(buff, len, sum);
}

#define CSUM_MANGLED_0 ((__force __sum16)0xffff)

static inline void csum_replace4(__sum16 *sum, __be32 from, __be32 to)
{
	__wsum tmp = csum_sub(~csum_unfold(*sum), (__force __wsum)from);

*sum = csum_fold(csum_add(tmp, (__force __wsum)to));
}

/* Implements RFC 1624 (Incremental Internet Checksum)
 * 3. Discussion states :
 *     HC' = ~(~HC + ~m + m')
 *  m : old value of a 16bit field
 *  m' : new value of a 16bit field
 */
static inline void csum_replace2(__sum16 *sum, __be16 old, __be16 new)
{
	*sum = ~csum16_add(csum16_sub(~(*sum), old), new);
}

struct sk_buff;
void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
			      __be32 from, __be32 to, bool pseudohdr);
void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
			       const __be32 *from, const __be32 *to,
			       bool pseudohdr);
void inet_proto_csum_replace_by_diff(__sum16 *sum, struct sk_buff *skb,
				     __wsum diff, bool pseudohdr);

static inline void inet_proto_csum_replace2(__sum16 *sum, struct sk_buff *skb,
					    __be16 from, __be16 to,
					    bool pseudohdr)
{
	inet_proto_csum_replace4(sum, skb, (__force __be32)from,
				 (__force __be32)to, pseudohdr);
}

static inline __wsum remcsum_adjust(void *ptr, __wsum csum,
				    int start, int offset)
{
	__sum16 *psum = (__sum16 *)(ptr + offset);
	__wsum delta;

/* Subtract out checksum up to start */
	csum = csum_sub(csum, csum_partial(ptr, start, 0));

/* Set derived checksum in packet */
	delta = csum_sub(csum_fold(csum), *psum);
	*psum = csum_fold(csum);

return delta;
}

static inline void remcsum_unadjust(__sum16 *psum, __wsum delta)
{
	*psum = csum_fold(csum_sub(delta, *psum));
}

#endif