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Nama	Ukuran	Aksi
addr.h	4.94 MB	View DL Edit
auth.h	6.11 MB	View DL Edit
auth_gss.h	2.31 MB	View DL Edit
bc_xprt.h	2.78 MB	View DL Edit
cache.h	8.96 MB	View DL Edit
clnt.h	9.01 MB	View DL Edit
debug.h	2.76 MB	View DL Edit
gss_api.h	4.45 MB	View DL Edit
gss_asn1.h	3.11 MB	View DL Edit
gss_err.h	5.88 MB	View DL Edit
gss_krb5.h	6.32 MB	View DL Edit
metrics.h	3.68 MB	View DL Edit
msg_prot.h	6.21 MB	View DL Edit
rpc_pipe_fs.h	3.85 MB	View DL Edit
rpc_rdma.h	6.07 MB	View DL Edit
rpc_rdma_cid.h	622 B	View DL Edit
sched.h	9.91 MB	View DL Edit
stats.h	2 MB	View DL Edit
svc.h	18.39 MB	View DL Edit
svcauth.h	6.01 MB	View DL Edit
svcauth_gss.h	782 B	View DL Edit
svcsock.h	2.18 MB	View DL Edit
svc_rdma.h	7.63 MB	View DL Edit
svc_rdma_pcl.h	3.13 MB	View DL Edit
svc_xprt.h	7.33 MB	View DL Edit
timer.h	1.14 MB	View DL Edit
types.h	497 B	View DL Edit
xdr.h	22.31 MB	View DL Edit
xprt.h	16.56 MB	View DL Edit
xprtmultipath.h	2.41 MB	View DL Edit
xprtrdma.h	2.95 MB	View DL Edit
xprtsock.h	1.85 MB	View DL Edit

Edit file: /usr/src/kernels/5.14.0-427.31.1.el9_4.x86_64/include/linux/sunrpc/addr.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * linux/include/linux/sunrpc/addr.h
 *
 * Various routines for copying and comparing sockaddrs and for
 * converting them to and from presentation format.
 */
#ifndef _LINUX_SUNRPC_ADDR_H
#define _LINUX_SUNRPC_ADDR_H

#include <linux/socket.h>
#include <linux/in.h>
#include <linux/in6.h>
#include <net/ipv6.h>

size_t		rpc_ntop(const struct sockaddr *, char *, const size_t);
size_t		rpc_pton(struct net *, const char *, const size_t,
			 struct sockaddr *, const size_t);
char *		rpc_sockaddr2uaddr(const struct sockaddr *, gfp_t);
size_t		rpc_uaddr2sockaddr(struct net *, const char *, const size_t,
				   struct sockaddr *, const size_t);

static inline unsigned short rpc_get_port(const struct sockaddr *sap)
{
	switch (sap->sa_family) {
	case AF_INET:
		return ntohs(((struct sockaddr_in *)sap)->sin_port);
	case AF_INET6:
		return ntohs(((struct sockaddr_in6 *)sap)->sin6_port);
	}
	return 0;
}

static inline void rpc_set_port(struct sockaddr *sap,
				const unsigned short port)
{
	switch (sap->sa_family) {
	case AF_INET:
		((struct sockaddr_in *)sap)->sin_port = htons(port);
		break;
	case AF_INET6:
		((struct sockaddr_in6 *)sap)->sin6_port = htons(port);
		break;
	}
}

#define IPV6_SCOPE_DELIMITER		'%'
#define IPV6_SCOPE_ID_LEN		sizeof("%nnnnnnnnnn")

static inline bool rpc_cmp_addr4(const struct sockaddr *sap1,
				 const struct sockaddr *sap2)
{
	const struct sockaddr_in *sin1 = (const struct sockaddr_in *)sap1;
	const struct sockaddr_in *sin2 = (const struct sockaddr_in *)sap2;

return sin1->sin_addr.s_addr == sin2->sin_addr.s_addr;
}

static inline bool __rpc_copy_addr4(struct sockaddr *dst,
				    const struct sockaddr *src)
{
	const struct sockaddr_in *ssin = (struct sockaddr_in *) src;
	struct sockaddr_in *dsin = (struct sockaddr_in *) dst;

dsin->sin_family = ssin->sin_family;
	dsin->sin_addr.s_addr = ssin->sin_addr.s_addr;
	return true;
}

#if IS_ENABLED(CONFIG_IPV6)
static inline bool rpc_cmp_addr6(const struct sockaddr *sap1,
				 const struct sockaddr *sap2)
{
	const struct sockaddr_in6 *sin1 = (const struct sockaddr_in6 *)sap1;
	const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sap2;

if (!ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr))
		return false;
	else if (ipv6_addr_type(&sin1->sin6_addr) & IPV6_ADDR_LINKLOCAL)
		return sin1->sin6_scope_id == sin2->sin6_scope_id;

return true;
}

static inline bool __rpc_copy_addr6(struct sockaddr *dst,
				    const struct sockaddr *src)
{
	const struct sockaddr_in6 *ssin6 = (const struct sockaddr_in6 *) src;
	struct sockaddr_in6 *dsin6 = (struct sockaddr_in6 *) dst;

dsin6->sin6_family = ssin6->sin6_family;
	dsin6->sin6_addr = ssin6->sin6_addr;
	dsin6->sin6_scope_id = ssin6->sin6_scope_id;
	return true;
}
#else	/* !(IS_ENABLED(CONFIG_IPV6) */
static inline bool rpc_cmp_addr6(const struct sockaddr *sap1,
				   const struct sockaddr *sap2)
{
	return false;
}

static inline bool __rpc_copy_addr6(struct sockaddr *dst,
				    const struct sockaddr *src)
{
	return false;
}
#endif	/* !(IS_ENABLED(CONFIG_IPV6) */

/**
 * rpc_cmp_addr - compare the address portion of two sockaddrs.
 * @sap1: first sockaddr
 * @sap2: second sockaddr
 *
 * Just compares the family and address portion. Ignores port, but
 * compares the scope if it's a link-local address.
 *
 * Returns true if the addrs are equal, false if they aren't.
 */
static inline bool rpc_cmp_addr(const struct sockaddr *sap1,
				const struct sockaddr *sap2)
{
	if (sap1->sa_family == sap2->sa_family) {
		switch (sap1->sa_family) {
		case AF_INET:
			return rpc_cmp_addr4(sap1, sap2);
		case AF_INET6:
			return rpc_cmp_addr6(sap1, sap2);
		}
	}
	return false;
}

/**
 * rpc_cmp_addr_port - compare the address and port number of two sockaddrs.
 * @sap1: first sockaddr
 * @sap2: second sockaddr
 */
static inline bool rpc_cmp_addr_port(const struct sockaddr *sap1,
				     const struct sockaddr *sap2)
{
	if (!rpc_cmp_addr(sap1, sap2))
		return false;
	return rpc_get_port(sap1) == rpc_get_port(sap2);
}

/**
 * rpc_copy_addr - copy the address portion of one sockaddr to another
 * @dst: destination sockaddr
 * @src: source sockaddr
 *
 * Just copies the address portion and family. Ignores port, scope, etc.
 * Caller is responsible for making certain that dst is large enough to hold
 * the address in src. Returns true if address family is supported. Returns
 * false otherwise.
 */
static inline bool rpc_copy_addr(struct sockaddr *dst,
				 const struct sockaddr *src)
{
	switch (src->sa_family) {
	case AF_INET:
		return __rpc_copy_addr4(dst, src);
	case AF_INET6:
		return __rpc_copy_addr6(dst, src);
	}
	return false;
}

/**
 * rpc_get_scope_id - return scopeid for a given sockaddr
 * @sa: sockaddr to get scopeid from
 *
 * Returns the value of the sin6_scope_id for AF_INET6 addrs, or 0 if
 * not an AF_INET6 address.
 */
static inline u32 rpc_get_scope_id(const struct sockaddr *sa)
{
	if (sa->sa_family != AF_INET6)
		return 0;

return ((struct sockaddr_in6 *) sa)->sin6_scope_id;
}

#endif /* _LINUX_SUNRPC_ADDR_H */

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