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* [PATCH] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h
@ 2013-02-04 15:23 Jeff Layton
  2013-02-04 16:09 ` J. Bruce Fields
  2013-02-04 17:50 ` [PATCH v2] " Jeff Layton
  0 siblings, 2 replies; 7+ messages in thread
From: Jeff Layton @ 2013-02-04 15:23 UTC (permalink / raw)
  To: bfields, trond.myklebust; +Cc: chuck.lever, linux-nfs

These routines are used by server and client code, so having them in a
separate header would be best.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
---
 fs/lockd/clntlock.c             |   2 +-
 fs/lockd/host.c                 |   1 +
 fs/lockd/mon.c                  |   1 +
 fs/lockd/svcsubs.c              |   2 +-
 fs/nfs/dns_resolve.c            |   1 +
 fs/nfs/nfs4client.c             |   1 +
 fs/nfs/nfs4filelayoutdev.c      |   1 +
 fs/nfs/nfs4namespace.c          |   1 +
 fs/nfs/super.c                  |   1 +
 fs/nfsd/nfs4state.c             |   2 +-
 fs/nfsd/nfscache.c              |   2 +-
 fs/nfsd/nfsctl.c                |   2 +-
 include/linux/sunrpc/addr.h     | 170 ++++++++++++++++++++++++++++++++++++++++
 include/linux/sunrpc/clnt.h     | 155 ------------------------------------
 net/sunrpc/addr.c               |   3 +-
 net/sunrpc/clnt.c               |   1 +
 net/sunrpc/rpcb_clnt.c          |   1 +
 net/sunrpc/svcauth_unix.c       |   2 +-
 net/sunrpc/xprtrdma/transport.c |   1 +
 net/sunrpc/xprtsock.c           |   1 +
 20 files changed, 189 insertions(+), 162 deletions(-)
 create mode 100644 include/linux/sunrpc/addr.h

diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index ca0a080..4885b53 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -11,7 +11,7 @@
 #include <linux/slab.h>
 #include <linux/time.h>
 #include <linux/nfs_fs.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/lockd/lockd.h>
 #include <linux/kthread.h>
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 0e17090..764c4d2 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -13,6 +13,7 @@
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/lockd/lockd.h>
 #include <linux/mutex.h>
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 3c2cfc6..1812f02 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/xprtsock.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/lockd/lockd.h>
diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index 0deb5f6..8064435 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -13,7 +13,7 @@
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/sunrpc/svc.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/nfsd/nfsfh.h>
 #include <linux/nfsd/export.h>
 #include <linux/lockd/lockd.h>
diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
index 0ff1f4c..178fb24 100644
--- a/fs/nfs/dns_resolve.c
+++ b/fs/nfs/dns_resolve.c
@@ -10,6 +10,7 @@
 
 #include <linux/module.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/dns_resolver.h>
 #include "dns_resolve.h"
 
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index acc3472..e5f2fad 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -6,6 +6,7 @@
 #include <linux/nfs_fs.h>
 #include <linux/nfs_idmap.h>
 #include <linux/nfs_mount.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/auth.h>
 #include <linux/sunrpc/xprt.h>
 #include <linux/sunrpc/bc_xprt.h>
diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
index b720064..1fe284f 100644
--- a/fs/nfs/nfs4filelayoutdev.c
+++ b/fs/nfs/nfs4filelayoutdev.c
@@ -31,6 +31,7 @@
 #include <linux/nfs_fs.h>
 #include <linux/vmalloc.h>
 #include <linux/module.h>
+#include <linux/sunrpc/addr.h>
 
 #include "internal.h"
 #include "nfs4session.h"
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 1e09eb7..0dd7660 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -14,6 +14,7 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/vfs.h>
 #include <linux/inet.h>
 #include "internal.h"
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index c25cadf8..3250b41 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -31,6 +31,7 @@
 #include <linux/errno.h>
 #include <linux/unistd.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/metrics.h>
 #include <linux/sunrpc/xprtsock.h>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 4db46aa..8c2bdfa 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -40,7 +40,7 @@
 #include <linux/pagemap.h>
 #include <linux/ratelimit.h>
 #include <linux/sunrpc/svcauth_gss.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include "xdr4.h"
 #include "vfs.h"
 #include "current_stateid.h"
diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
index cb655f3..07b4c19 100644
--- a/fs/nfsd/nfscache.c
+++ b/fs/nfsd/nfscache.c
@@ -9,7 +9,7 @@
  */
 
 #include <linux/slab.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/highmem.h>
 #include <linux/crc32.h>
 
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 65889ec..29c3f0d 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -10,7 +10,7 @@
 
 #include <linux/sunrpc/svcsock.h>
 #include <linux/lockd/lockd.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/gss_api.h>
 #include <linux/sunrpc/gss_krb5_enctypes.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h
new file mode 100644
index 0000000..07d8e53
--- /dev/null
+++ b/include/linux/sunrpc/addr.h
@@ -0,0 +1,170 @@
+/*
+ * 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_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 */
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 6a7c261..4a4abde 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -165,160 +165,5 @@ size_t		rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
 const char	*rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
 int		rpc_localaddr(struct rpc_clnt *, struct sockaddr *, size_t);
 
-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_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 /* __KERNEL__ */
 #endif /* _LINUX_SUNRPC_CLNT_H */
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index d11418f..a622ad6 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -17,7 +17,8 @@
  */
 
 #include <net/ipv6.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
+#include <linux/sunrpc/msg_prot.h>
 #include <linux/slab.h>
 #include <linux/export.h>
 
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 822f020..c8193ce 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -33,6 +33,7 @@
 #include <linux/rcupdate.h>
 
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
 #include <linux/sunrpc/metrics.h>
 #include <linux/sunrpc/bc_xprt.h>
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 795a0f4..3df764d 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -26,6 +26,7 @@
 #include <net/ipv6.h>
 
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/xprtsock.h>
 
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 002ddd9..5085804 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -6,6 +6,7 @@
 #include <linux/sunrpc/svcsock.h>
 #include <linux/sunrpc/svcauth.h>
 #include <linux/sunrpc/gss_api.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/err.h>
 #include <linux/seq_file.h>
 #include <linux/hash.h>
@@ -17,7 +18,6 @@
 #include <linux/user_namespace.h>
 #define RPCDBG_FACILITY	RPCDBG_AUTH
 
-#include <linux/sunrpc/clnt.h>
 
 #include "netns.h"
 
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index c9aa7a3..66591dc 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -51,6 +51,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/seq_file.h>
+#include <linux/sunrpc/addr.h>
 
 #include "xprt_rdma.h"
 
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 68b0a81..bbc0915 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -33,6 +33,7 @@
 #include <linux/udp.h>
 #include <linux/tcp.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/svcsock.h>
 #include <linux/sunrpc/xprtsock.h>
-- 
1.7.11.7


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h
  2013-02-04 15:23 [PATCH] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h Jeff Layton
@ 2013-02-04 16:09 ` J. Bruce Fields
  2013-02-04 16:15   ` Myklebust, Trond
  2013-02-04 17:50 ` [PATCH v2] " Jeff Layton
  1 sibling, 1 reply; 7+ messages in thread
From: J. Bruce Fields @ 2013-02-04 16:09 UTC (permalink / raw)
  To: Jeff Layton; +Cc: trond.myklebust, chuck.lever, linux-nfs

On Mon, Feb 04, 2013 at 10:23:51AM -0500, Jeff Layton wrote:
> These routines are used by server and client code, so having them in a
> separate header would be best.

I'll apply this and the scope id patch if it gets Trond's ACK.

(Or they have my ACK if Trond wants to take them.)

--b.

> 
> Signed-off-by: Jeff Layton <jlayton@redhat.com>
> ---
>  fs/lockd/clntlock.c             |   2 +-
>  fs/lockd/host.c                 |   1 +
>  fs/lockd/mon.c                  |   1 +
>  fs/lockd/svcsubs.c              |   2 +-
>  fs/nfs/dns_resolve.c            |   1 +
>  fs/nfs/nfs4client.c             |   1 +
>  fs/nfs/nfs4filelayoutdev.c      |   1 +
>  fs/nfs/nfs4namespace.c          |   1 +
>  fs/nfs/super.c                  |   1 +
>  fs/nfsd/nfs4state.c             |   2 +-
>  fs/nfsd/nfscache.c              |   2 +-
>  fs/nfsd/nfsctl.c                |   2 +-
>  include/linux/sunrpc/addr.h     | 170 ++++++++++++++++++++++++++++++++++++++++
>  include/linux/sunrpc/clnt.h     | 155 ------------------------------------
>  net/sunrpc/addr.c               |   3 +-
>  net/sunrpc/clnt.c               |   1 +
>  net/sunrpc/rpcb_clnt.c          |   1 +
>  net/sunrpc/svcauth_unix.c       |   2 +-
>  net/sunrpc/xprtrdma/transport.c |   1 +
>  net/sunrpc/xprtsock.c           |   1 +
>  20 files changed, 189 insertions(+), 162 deletions(-)
>  create mode 100644 include/linux/sunrpc/addr.h
> 
> diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
> index ca0a080..4885b53 100644
> --- a/fs/lockd/clntlock.c
> +++ b/fs/lockd/clntlock.c
> @@ -11,7 +11,7 @@
>  #include <linux/slab.h>
>  #include <linux/time.h>
>  #include <linux/nfs_fs.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/svc.h>
>  #include <linux/lockd/lockd.h>
>  #include <linux/kthread.h>
> diff --git a/fs/lockd/host.c b/fs/lockd/host.c
> index 0e17090..764c4d2 100644
> --- a/fs/lockd/host.c
> +++ b/fs/lockd/host.c
> @@ -13,6 +13,7 @@
>  #include <linux/in.h>
>  #include <linux/in6.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/svc.h>
>  #include <linux/lockd/lockd.h>
>  #include <linux/mutex.h>
> diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
> index 3c2cfc6..1812f02 100644
> --- a/fs/lockd/mon.c
> +++ b/fs/lockd/mon.c
> @@ -12,6 +12,7 @@
>  #include <linux/slab.h>
>  
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/xprtsock.h>
>  #include <linux/sunrpc/svc.h>
>  #include <linux/lockd/lockd.h>
> diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
> index 0deb5f6..8064435 100644
> --- a/fs/lockd/svcsubs.c
> +++ b/fs/lockd/svcsubs.c
> @@ -13,7 +13,7 @@
>  #include <linux/slab.h>
>  #include <linux/mutex.h>
>  #include <linux/sunrpc/svc.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/nfsd/nfsfh.h>
>  #include <linux/nfsd/export.h>
>  #include <linux/lockd/lockd.h>
> diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
> index 0ff1f4c..178fb24 100644
> --- a/fs/nfs/dns_resolve.c
> +++ b/fs/nfs/dns_resolve.c
> @@ -10,6 +10,7 @@
>  
>  #include <linux/module.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/dns_resolver.h>
>  #include "dns_resolve.h"
>  
> diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
> index acc3472..e5f2fad 100644
> --- a/fs/nfs/nfs4client.c
> +++ b/fs/nfs/nfs4client.c
> @@ -6,6 +6,7 @@
>  #include <linux/nfs_fs.h>
>  #include <linux/nfs_idmap.h>
>  #include <linux/nfs_mount.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/auth.h>
>  #include <linux/sunrpc/xprt.h>
>  #include <linux/sunrpc/bc_xprt.h>
> diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
> index b720064..1fe284f 100644
> --- a/fs/nfs/nfs4filelayoutdev.c
> +++ b/fs/nfs/nfs4filelayoutdev.c
> @@ -31,6 +31,7 @@
>  #include <linux/nfs_fs.h>
>  #include <linux/vmalloc.h>
>  #include <linux/module.h>
> +#include <linux/sunrpc/addr.h>
>  
>  #include "internal.h"
>  #include "nfs4session.h"
> diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
> index 1e09eb7..0dd7660 100644
> --- a/fs/nfs/nfs4namespace.c
> +++ b/fs/nfs/nfs4namespace.c
> @@ -14,6 +14,7 @@
>  #include <linux/slab.h>
>  #include <linux/string.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/vfs.h>
>  #include <linux/inet.h>
>  #include "internal.h"
> diff --git a/fs/nfs/super.c b/fs/nfs/super.c
> index c25cadf8..3250b41 100644
> --- a/fs/nfs/super.c
> +++ b/fs/nfs/super.c
> @@ -31,6 +31,7 @@
>  #include <linux/errno.h>
>  #include <linux/unistd.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/stats.h>
>  #include <linux/sunrpc/metrics.h>
>  #include <linux/sunrpc/xprtsock.h>
> diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> index 4db46aa..8c2bdfa 100644
> --- a/fs/nfsd/nfs4state.c
> +++ b/fs/nfsd/nfs4state.c
> @@ -40,7 +40,7 @@
>  #include <linux/pagemap.h>
>  #include <linux/ratelimit.h>
>  #include <linux/sunrpc/svcauth_gss.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include "xdr4.h"
>  #include "vfs.h"
>  #include "current_stateid.h"
> diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
> index cb655f3..07b4c19 100644
> --- a/fs/nfsd/nfscache.c
> +++ b/fs/nfsd/nfscache.c
> @@ -9,7 +9,7 @@
>   */
>  
>  #include <linux/slab.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/highmem.h>
>  #include <linux/crc32.h>
>  
> diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
> index 65889ec..29c3f0d 100644
> --- a/fs/nfsd/nfsctl.c
> +++ b/fs/nfsd/nfsctl.c
> @@ -10,7 +10,7 @@
>  
>  #include <linux/sunrpc/svcsock.h>
>  #include <linux/lockd/lockd.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/gss_api.h>
>  #include <linux/sunrpc/gss_krb5_enctypes.h>
>  #include <linux/sunrpc/rpc_pipe_fs.h>
> diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h
> new file mode 100644
> index 0000000..07d8e53
> --- /dev/null
> +++ b/include/linux/sunrpc/addr.h
> @@ -0,0 +1,170 @@
> +/*
> + * 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_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 */
> diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
> index 6a7c261..4a4abde 100644
> --- a/include/linux/sunrpc/clnt.h
> +++ b/include/linux/sunrpc/clnt.h
> @@ -165,160 +165,5 @@ size_t		rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
>  const char	*rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
>  int		rpc_localaddr(struct rpc_clnt *, struct sockaddr *, size_t);
>  
> -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_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 /* __KERNEL__ */
>  #endif /* _LINUX_SUNRPC_CLNT_H */
> diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
> index d11418f..a622ad6 100644
> --- a/net/sunrpc/addr.c
> +++ b/net/sunrpc/addr.c
> @@ -17,7 +17,8 @@
>   */
>  
>  #include <net/ipv6.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
> +#include <linux/sunrpc/msg_prot.h>
>  #include <linux/slab.h>
>  #include <linux/export.h>
>  
> diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
> index 822f020..c8193ce 100644
> --- a/net/sunrpc/clnt.c
> +++ b/net/sunrpc/clnt.c
> @@ -33,6 +33,7 @@
>  #include <linux/rcupdate.h>
>  
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/rpc_pipe_fs.h>
>  #include <linux/sunrpc/metrics.h>
>  #include <linux/sunrpc/bc_xprt.h>
> diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
> index 795a0f4..3df764d 100644
> --- a/net/sunrpc/rpcb_clnt.c
> +++ b/net/sunrpc/rpcb_clnt.c
> @@ -26,6 +26,7 @@
>  #include <net/ipv6.h>
>  
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/sched.h>
>  #include <linux/sunrpc/xprtsock.h>
>  
> diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
> index 002ddd9..5085804 100644
> --- a/net/sunrpc/svcauth_unix.c
> +++ b/net/sunrpc/svcauth_unix.c
> @@ -6,6 +6,7 @@
>  #include <linux/sunrpc/svcsock.h>
>  #include <linux/sunrpc/svcauth.h>
>  #include <linux/sunrpc/gss_api.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/err.h>
>  #include <linux/seq_file.h>
>  #include <linux/hash.h>
> @@ -17,7 +18,6 @@
>  #include <linux/user_namespace.h>
>  #define RPCDBG_FACILITY	RPCDBG_AUTH
>  
> -#include <linux/sunrpc/clnt.h>
>  
>  #include "netns.h"
>  
> diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
> index c9aa7a3..66591dc 100644
> --- a/net/sunrpc/xprtrdma/transport.c
> +++ b/net/sunrpc/xprtrdma/transport.c
> @@ -51,6 +51,7 @@
>  #include <linux/init.h>
>  #include <linux/slab.h>
>  #include <linux/seq_file.h>
> +#include <linux/sunrpc/addr.h>
>  
>  #include "xprt_rdma.h"
>  
> diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
> index 68b0a81..bbc0915 100644
> --- a/net/sunrpc/xprtsock.c
> +++ b/net/sunrpc/xprtsock.c
> @@ -33,6 +33,7 @@
>  #include <linux/udp.h>
>  #include <linux/tcp.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/sched.h>
>  #include <linux/sunrpc/svcsock.h>
>  #include <linux/sunrpc/xprtsock.h>
> -- 
> 1.7.11.7
> 

^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h
  2013-02-04 16:09 ` J. Bruce Fields
@ 2013-02-04 16:15   ` Myklebust, Trond
  2013-02-04 16:18     ` J. Bruce Fields
  0 siblings, 1 reply; 7+ messages in thread
From: Myklebust, Trond @ 2013-02-04 16:15 UTC (permalink / raw)
  To: J. Bruce Fields
  Cc: Jeff Layton, chuck.lever@oracle.com, linux-nfs@vger.kernel.org

On Mon, 2013-02-04 at 11:09 -0500, J. Bruce Fields wrote:
> On Mon, Feb 04, 2013 at 10:23:51AM -0500, Jeff Layton wrote:
> > These routines are used by server and client code, so having them in a
> > separate header would be best.
> 
> I'll apply this and the scope id patch if it gets Trond's ACK.
> 
> (Or they have my ACK if Trond wants to take them.)

Feel free to take them through the nfsd tree.

Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>

> --b.
> 
> > 
> > Signed-off-by: Jeff Layton <jlayton@redhat.com>
> > ---
> >  fs/lockd/clntlock.c             |   2 +-
> >  fs/lockd/host.c                 |   1 +
> >  fs/lockd/mon.c                  |   1 +
> >  fs/lockd/svcsubs.c              |   2 +-
> >  fs/nfs/dns_resolve.c            |   1 +
> >  fs/nfs/nfs4client.c             |   1 +
> >  fs/nfs/nfs4filelayoutdev.c      |   1 +
> >  fs/nfs/nfs4namespace.c          |   1 +
> >  fs/nfs/super.c                  |   1 +
> >  fs/nfsd/nfs4state.c             |   2 +-
> >  fs/nfsd/nfscache.c              |   2 +-
> >  fs/nfsd/nfsctl.c                |   2 +-
> >  include/linux/sunrpc/addr.h     | 170 ++++++++++++++++++++++++++++++++++++++++
> >  include/linux/sunrpc/clnt.h     | 155 ------------------------------------
> >  net/sunrpc/addr.c               |   3 +-
> >  net/sunrpc/clnt.c               |   1 +
> >  net/sunrpc/rpcb_clnt.c          |   1 +
> >  net/sunrpc/svcauth_unix.c       |   2 +-
> >  net/sunrpc/xprtrdma/transport.c |   1 +
> >  net/sunrpc/xprtsock.c           |   1 +
> >  20 files changed, 189 insertions(+), 162 deletions(-)
> >  create mode 100644 include/linux/sunrpc/addr.h
> > 
> > diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
> > index ca0a080..4885b53 100644
> > --- a/fs/lockd/clntlock.c
> > +++ b/fs/lockd/clntlock.c
> > @@ -11,7 +11,7 @@
> >  #include <linux/slab.h>
> >  #include <linux/time.h>
> >  #include <linux/nfs_fs.h>
> > -#include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/sunrpc/svc.h>
> >  #include <linux/lockd/lockd.h>
> >  #include <linux/kthread.h>
> > diff --git a/fs/lockd/host.c b/fs/lockd/host.c
> > index 0e17090..764c4d2 100644
> > --- a/fs/lockd/host.c
> > +++ b/fs/lockd/host.c
> > @@ -13,6 +13,7 @@
> >  #include <linux/in.h>
> >  #include <linux/in6.h>
> >  #include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/sunrpc/svc.h>
> >  #include <linux/lockd/lockd.h>
> >  #include <linux/mutex.h>
> > diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
> > index 3c2cfc6..1812f02 100644
> > --- a/fs/lockd/mon.c
> > +++ b/fs/lockd/mon.c
> > @@ -12,6 +12,7 @@
> >  #include <linux/slab.h>
> >  
> >  #include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/sunrpc/xprtsock.h>
> >  #include <linux/sunrpc/svc.h>
> >  #include <linux/lockd/lockd.h>
> > diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
> > index 0deb5f6..8064435 100644
> > --- a/fs/lockd/svcsubs.c
> > +++ b/fs/lockd/svcsubs.c
> > @@ -13,7 +13,7 @@
> >  #include <linux/slab.h>
> >  #include <linux/mutex.h>
> >  #include <linux/sunrpc/svc.h>
> > -#include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/nfsd/nfsfh.h>
> >  #include <linux/nfsd/export.h>
> >  #include <linux/lockd/lockd.h>
> > diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
> > index 0ff1f4c..178fb24 100644
> > --- a/fs/nfs/dns_resolve.c
> > +++ b/fs/nfs/dns_resolve.c
> > @@ -10,6 +10,7 @@
> >  
> >  #include <linux/module.h>
> >  #include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/dns_resolver.h>
> >  #include "dns_resolve.h"
> >  
> > diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
> > index acc3472..e5f2fad 100644
> > --- a/fs/nfs/nfs4client.c
> > +++ b/fs/nfs/nfs4client.c
> > @@ -6,6 +6,7 @@
> >  #include <linux/nfs_fs.h>
> >  #include <linux/nfs_idmap.h>
> >  #include <linux/nfs_mount.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/sunrpc/auth.h>
> >  #include <linux/sunrpc/xprt.h>
> >  #include <linux/sunrpc/bc_xprt.h>
> > diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
> > index b720064..1fe284f 100644
> > --- a/fs/nfs/nfs4filelayoutdev.c
> > +++ b/fs/nfs/nfs4filelayoutdev.c
> > @@ -31,6 +31,7 @@
> >  #include <linux/nfs_fs.h>
> >  #include <linux/vmalloc.h>
> >  #include <linux/module.h>
> > +#include <linux/sunrpc/addr.h>
> >  
> >  #include "internal.h"
> >  #include "nfs4session.h"
> > diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
> > index 1e09eb7..0dd7660 100644
> > --- a/fs/nfs/nfs4namespace.c
> > +++ b/fs/nfs/nfs4namespace.c
> > @@ -14,6 +14,7 @@
> >  #include <linux/slab.h>
> >  #include <linux/string.h>
> >  #include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/vfs.h>
> >  #include <linux/inet.h>
> >  #include "internal.h"
> > diff --git a/fs/nfs/super.c b/fs/nfs/super.c
> > index c25cadf8..3250b41 100644
> > --- a/fs/nfs/super.c
> > +++ b/fs/nfs/super.c
> > @@ -31,6 +31,7 @@
> >  #include <linux/errno.h>
> >  #include <linux/unistd.h>
> >  #include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/sunrpc/stats.h>
> >  #include <linux/sunrpc/metrics.h>
> >  #include <linux/sunrpc/xprtsock.h>
> > diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> > index 4db46aa..8c2bdfa 100644
> > --- a/fs/nfsd/nfs4state.c
> > +++ b/fs/nfsd/nfs4state.c
> > @@ -40,7 +40,7 @@
> >  #include <linux/pagemap.h>
> >  #include <linux/ratelimit.h>
> >  #include <linux/sunrpc/svcauth_gss.h>
> > -#include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include "xdr4.h"
> >  #include "vfs.h"
> >  #include "current_stateid.h"
> > diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
> > index cb655f3..07b4c19 100644
> > --- a/fs/nfsd/nfscache.c
> > +++ b/fs/nfsd/nfscache.c
> > @@ -9,7 +9,7 @@
> >   */
> >  
> >  #include <linux/slab.h>
> > -#include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/highmem.h>
> >  #include <linux/crc32.h>
> >  
> > diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
> > index 65889ec..29c3f0d 100644
> > --- a/fs/nfsd/nfsctl.c
> > +++ b/fs/nfsd/nfsctl.c
> > @@ -10,7 +10,7 @@
> >  
> >  #include <linux/sunrpc/svcsock.h>
> >  #include <linux/lockd/lockd.h>
> > -#include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/sunrpc/gss_api.h>
> >  #include <linux/sunrpc/gss_krb5_enctypes.h>
> >  #include <linux/sunrpc/rpc_pipe_fs.h>
> > diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h
> > new file mode 100644
> > index 0000000..07d8e53
> > --- /dev/null
> > +++ b/include/linux/sunrpc/addr.h
> > @@ -0,0 +1,170 @@
> > +/*
> > + * 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_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 */
> > diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
> > index 6a7c261..4a4abde 100644
> > --- a/include/linux/sunrpc/clnt.h
> > +++ b/include/linux/sunrpc/clnt.h
> > @@ -165,160 +165,5 @@ size_t		rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
> >  const char	*rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
> >  int		rpc_localaddr(struct rpc_clnt *, struct sockaddr *, size_t);
> >  
> > -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_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 /* __KERNEL__ */
> >  #endif /* _LINUX_SUNRPC_CLNT_H */
> > diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
> > index d11418f..a622ad6 100644
> > --- a/net/sunrpc/addr.c
> > +++ b/net/sunrpc/addr.c
> > @@ -17,7 +17,8 @@
> >   */
> >  
> >  #include <net/ipv6.h>
> > -#include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> > +#include <linux/sunrpc/msg_prot.h>
> >  #include <linux/slab.h>
> >  #include <linux/export.h>
> >  
> > diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
> > index 822f020..c8193ce 100644
> > --- a/net/sunrpc/clnt.c
> > +++ b/net/sunrpc/clnt.c
> > @@ -33,6 +33,7 @@
> >  #include <linux/rcupdate.h>
> >  
> >  #include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/sunrpc/rpc_pipe_fs.h>
> >  #include <linux/sunrpc/metrics.h>
> >  #include <linux/sunrpc/bc_xprt.h>
> > diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
> > index 795a0f4..3df764d 100644
> > --- a/net/sunrpc/rpcb_clnt.c
> > +++ b/net/sunrpc/rpcb_clnt.c
> > @@ -26,6 +26,7 @@
> >  #include <net/ipv6.h>
> >  
> >  #include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/sunrpc/sched.h>
> >  #include <linux/sunrpc/xprtsock.h>
> >  
> > diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
> > index 002ddd9..5085804 100644
> > --- a/net/sunrpc/svcauth_unix.c
> > +++ b/net/sunrpc/svcauth_unix.c
> > @@ -6,6 +6,7 @@
> >  #include <linux/sunrpc/svcsock.h>
> >  #include <linux/sunrpc/svcauth.h>
> >  #include <linux/sunrpc/gss_api.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/err.h>
> >  #include <linux/seq_file.h>
> >  #include <linux/hash.h>
> > @@ -17,7 +18,6 @@
> >  #include <linux/user_namespace.h>
> >  #define RPCDBG_FACILITY	RPCDBG_AUTH
> >  
> > -#include <linux/sunrpc/clnt.h>
> >  
> >  #include "netns.h"
> >  
> > diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
> > index c9aa7a3..66591dc 100644
> > --- a/net/sunrpc/xprtrdma/transport.c
> > +++ b/net/sunrpc/xprtrdma/transport.c
> > @@ -51,6 +51,7 @@
> >  #include <linux/init.h>
> >  #include <linux/slab.h>
> >  #include <linux/seq_file.h>
> > +#include <linux/sunrpc/addr.h>
> >  
> >  #include "xprt_rdma.h"
> >  
> > diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
> > index 68b0a81..bbc0915 100644
> > --- a/net/sunrpc/xprtsock.c
> > +++ b/net/sunrpc/xprtsock.c
> > @@ -33,6 +33,7 @@
> >  #include <linux/udp.h>
> >  #include <linux/tcp.h>
> >  #include <linux/sunrpc/clnt.h>
> > +#include <linux/sunrpc/addr.h>
> >  #include <linux/sunrpc/sched.h>
> >  #include <linux/sunrpc/svcsock.h>
> >  #include <linux/sunrpc/xprtsock.h>
> > -- 
> > 1.7.11.7
> > 


^ permalink raw reply	[flat|nested] 7+ messages in thread

* Re: [PATCH] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h
  2013-02-04 16:15   ` Myklebust, Trond
@ 2013-02-04 16:18     ` J. Bruce Fields
  2013-02-04 17:01       ` J. Bruce Fields
  0 siblings, 1 reply; 7+ messages in thread
From: J. Bruce Fields @ 2013-02-04 16:18 UTC (permalink / raw)
  To: Myklebust, Trond
  Cc: Jeff Layton, chuck.lever@oracle.com, linux-nfs@vger.kernel.org

On Mon, Feb 04, 2013 at 04:15:43PM +0000, Myklebust, Trond wrote:
> On Mon, 2013-02-04 at 11:09 -0500, J. Bruce Fields wrote:
> > On Mon, Feb 04, 2013 at 10:23:51AM -0500, Jeff Layton wrote:
> > > These routines are used by server and client code, so having them in a
> > > separate header would be best.
> > 
> > I'll apply this and the scope id patch if it gets Trond's ACK.
> > 
> > (Or they have my ACK if Trond wants to take them.)
> 
> Feel free to take them through the nfsd tree.
> 
> Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>

Thanks.  I needed to add the following.

We should make sure none of the other files including clnt.h might also
need one of these.

--b.

commit a487a5ec9e2f37472097a3ff3535c87c6af334e9
Author: J. Bruce Fields <bfields@redhat.com>
Date:   Mon Feb 4 11:13:24 2013 -0500

    foldme

diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
index e761ee9..255ae32 100644
--- a/fs/nfsd/fault_inject.c
+++ b/fs/nfsd/fault_inject.c
@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/nsproxy.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <asm/uaccess.h>
 
 #include "state.h"

^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h
  2013-02-04 16:18     ` J. Bruce Fields
@ 2013-02-04 17:01       ` J. Bruce Fields
  0 siblings, 0 replies; 7+ messages in thread
From: J. Bruce Fields @ 2013-02-04 17:01 UTC (permalink / raw)
  To: Myklebust, Trond
  Cc: Jeff Layton, chuck.lever@oracle.com, linux-nfs@vger.kernel.org

On Mon, Feb 04, 2013 at 11:18:25AM -0500, J. Bruce Fields wrote:
> On Mon, Feb 04, 2013 at 04:15:43PM +0000, Myklebust, Trond wrote:
> > On Mon, 2013-02-04 at 11:09 -0500, J. Bruce Fields wrote:
> > > On Mon, Feb 04, 2013 at 10:23:51AM -0500, Jeff Layton wrote:
> > > > These routines are used by server and client code, so having them in a
> > > > separate header would be best.
> > > 
> > > I'll apply this and the scope id patch if it gets Trond's ACK.
> > > 
> > > (Or they have my ACK if Trond wants to take them.)
> > 
> > Feel free to take them through the nfsd tree.
> > 
> > Acked-by: Trond Myklebust <Trond.Myklebust@netapp.com>
> 
> Thanks.  I needed to add the following.
> 
> We should make sure none of the other files including clnt.h might also
> need one of these.

Eh, pretty sure that was the only one.  Applied.--b.

> 
> --b.
> 
> commit a487a5ec9e2f37472097a3ff3535c87c6af334e9
> Author: J. Bruce Fields <bfields@redhat.com>
> Date:   Mon Feb 4 11:13:24 2013 -0500
> 
>     foldme
> 
> diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
> index e761ee9..255ae32 100644
> --- a/fs/nfsd/fault_inject.c
> +++ b/fs/nfsd/fault_inject.c
> @@ -10,6 +10,7 @@
>  #include <linux/module.h>
>  #include <linux/nsproxy.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <asm/uaccess.h>
>  
>  #include "state.h"

^ permalink raw reply	[flat|nested] 7+ messages in thread

* [PATCH v2] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h
  2013-02-04 15:23 [PATCH] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h Jeff Layton
  2013-02-04 16:09 ` J. Bruce Fields
@ 2013-02-04 17:50 ` Jeff Layton
  2013-02-04 18:10   ` J. Bruce Fields
  1 sibling, 1 reply; 7+ messages in thread
From: Jeff Layton @ 2013-02-04 17:50 UTC (permalink / raw)
  To: bfields, trond.myklebust; +Cc: linux-nfs, chuck.lever

These routines are used by server and client code, so having them in a
separate header would be best.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
---
 fs/lockd/clntlock.c             |   2 +-
 fs/lockd/host.c                 |   1 +
 fs/lockd/mon.c                  |   1 +
 fs/lockd/svcsubs.c              |   2 +-
 fs/nfs/dns_resolve.c            |   2 +
 fs/nfs/nfs4client.c             |   1 +
 fs/nfs/nfs4filelayoutdev.c      |   1 +
 fs/nfs/nfs4namespace.c          |   1 +
 fs/nfs/super.c                  |   1 +
 fs/nfsd/fault_inject.c          |   2 +-
 fs/nfsd/nfs4state.c             |   2 +-
 fs/nfsd/nfscache.c              |   2 +-
 fs/nfsd/nfsctl.c                |   2 +-
 include/linux/sunrpc/addr.h     | 170 ++++++++++++++++++++++++++++++++++++++++
 include/linux/sunrpc/clnt.h     | 155 ------------------------------------
 net/sunrpc/addr.c               |   3 +-
 net/sunrpc/clnt.c               |   1 +
 net/sunrpc/rpcb_clnt.c          |   1 +
 net/sunrpc/svcauth_unix.c       |   2 +-
 net/sunrpc/xprtrdma/transport.c |   1 +
 net/sunrpc/xprtsock.c           |   1 +
 21 files changed, 191 insertions(+), 163 deletions(-)
 create mode 100644 include/linux/sunrpc/addr.h

diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index ca0a080..4885b53 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -11,7 +11,7 @@
 #include <linux/slab.h>
 #include <linux/time.h>
 #include <linux/nfs_fs.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/lockd/lockd.h>
 #include <linux/kthread.h>
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 0e17090..764c4d2 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -13,6 +13,7 @@
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/lockd/lockd.h>
 #include <linux/mutex.h>
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 3c2cfc6..1812f02 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/xprtsock.h>
 #include <linux/sunrpc/svc.h>
 #include <linux/lockd/lockd.h>
diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index 0deb5f6..8064435 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -13,7 +13,7 @@
 #include <linux/slab.h>
 #include <linux/mutex.h>
 #include <linux/sunrpc/svc.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/nfsd/nfsfh.h>
 #include <linux/nfsd/export.h>
 #include <linux/lockd/lockd.h>
diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
index ca4b11e..62c8c41 100644
--- a/fs/nfs/dns_resolve.c
+++ b/fs/nfs/dns_resolve.c
@@ -10,6 +10,7 @@
 
 #include <linux/module.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/dns_resolver.h>
 #include "dns_resolve.h"
 
@@ -42,6 +43,7 @@ EXPORT_SYMBOL_GPL(nfs_dns_resolve_name);
 #include <linux/seq_file.h>
 #include <linux/inet.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/cache.h>
 #include <linux/sunrpc/svcauth.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
index acc3472..e5f2fad 100644
--- a/fs/nfs/nfs4client.c
+++ b/fs/nfs/nfs4client.c
@@ -6,6 +6,7 @@
 #include <linux/nfs_fs.h>
 #include <linux/nfs_idmap.h>
 #include <linux/nfs_mount.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/auth.h>
 #include <linux/sunrpc/xprt.h>
 #include <linux/sunrpc/bc_xprt.h>
diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
index b720064..1fe284f 100644
--- a/fs/nfs/nfs4filelayoutdev.c
+++ b/fs/nfs/nfs4filelayoutdev.c
@@ -31,6 +31,7 @@
 #include <linux/nfs_fs.h>
 #include <linux/vmalloc.h>
 #include <linux/module.h>
+#include <linux/sunrpc/addr.h>
 
 #include "internal.h"
 #include "nfs4session.h"
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 1e09eb7..0dd7660 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -14,6 +14,7 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/vfs.h>
 #include <linux/inet.h>
 #include "internal.h"
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index c25cadf8..3250b41 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -31,6 +31,7 @@
 #include <linux/errno.h>
 #include <linux/unistd.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/stats.h>
 #include <linux/sunrpc/metrics.h>
 #include <linux/sunrpc/xprtsock.h>
diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
index e761ee9..247c00c 100644
--- a/fs/nfsd/fault_inject.c
+++ b/fs/nfsd/fault_inject.c
@@ -9,7 +9,7 @@
 #include <linux/debugfs.h>
 #include <linux/module.h>
 #include <linux/nsproxy.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <asm/uaccess.h>
 
 #include "state.h"
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 4db46aa..8c2bdfa 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -40,7 +40,7 @@
 #include <linux/pagemap.h>
 #include <linux/ratelimit.h>
 #include <linux/sunrpc/svcauth_gss.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include "xdr4.h"
 #include "vfs.h"
 #include "current_stateid.h"
diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
index 56b3070..5d93b5d 100644
--- a/fs/nfsd/nfscache.c
+++ b/fs/nfsd/nfscache.c
@@ -9,7 +9,7 @@
  */
 
 #include <linux/slab.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/highmem.h>
 #include <linux/crc32.h>
 
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 65889ec..29c3f0d 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -10,7 +10,7 @@
 
 #include <linux/sunrpc/svcsock.h>
 #include <linux/lockd/lockd.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/gss_api.h>
 #include <linux/sunrpc/gss_krb5_enctypes.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h
new file mode 100644
index 0000000..07d8e53
--- /dev/null
+++ b/include/linux/sunrpc/addr.h
@@ -0,0 +1,170 @@
+/*
+ * 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_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 */
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 6a7c261..4a4abde 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -165,160 +165,5 @@ size_t		rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
 const char	*rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
 int		rpc_localaddr(struct rpc_clnt *, struct sockaddr *, size_t);
 
-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_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 /* __KERNEL__ */
 #endif /* _LINUX_SUNRPC_CLNT_H */
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index d11418f..a622ad6 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -17,7 +17,8 @@
  */
 
 #include <net/ipv6.h>
-#include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
+#include <linux/sunrpc/msg_prot.h>
 #include <linux/slab.h>
 #include <linux/export.h>
 
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 822f020..c8193ce 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -33,6 +33,7 @@
 #include <linux/rcupdate.h>
 
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
 #include <linux/sunrpc/metrics.h>
 #include <linux/sunrpc/bc_xprt.h>
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 795a0f4..3df764d 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -26,6 +26,7 @@
 #include <net/ipv6.h>
 
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/xprtsock.h>
 
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index 4d01292..ce34c8e 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -6,6 +6,7 @@
 #include <linux/sunrpc/svcsock.h>
 #include <linux/sunrpc/svcauth.h>
 #include <linux/sunrpc/gss_api.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/err.h>
 #include <linux/seq_file.h>
 #include <linux/hash.h>
@@ -17,7 +18,6 @@
 #include <linux/user_namespace.h>
 #define RPCDBG_FACILITY	RPCDBG_AUTH
 
-#include <linux/sunrpc/clnt.h>
 
 #include "netns.h"
 
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index c9aa7a3..66591dc 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -51,6 +51,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/seq_file.h>
+#include <linux/sunrpc/addr.h>
 
 #include "xprt_rdma.h"
 
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 68b0a81..bbc0915 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -33,6 +33,7 @@
 #include <linux/udp.h>
 #include <linux/tcp.h>
 #include <linux/sunrpc/clnt.h>
+#include <linux/sunrpc/addr.h>
 #include <linux/sunrpc/sched.h>
 #include <linux/sunrpc/svcsock.h>
 #include <linux/sunrpc/xprtsock.h>
-- 
1.7.11.7


^ permalink raw reply related	[flat|nested] 7+ messages in thread

* Re: [PATCH v2] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h
  2013-02-04 17:50 ` [PATCH v2] " Jeff Layton
@ 2013-02-04 18:10   ` J. Bruce Fields
  0 siblings, 0 replies; 7+ messages in thread
From: J. Bruce Fields @ 2013-02-04 18:10 UTC (permalink / raw)
  To: Jeff Layton; +Cc: trond.myklebust, linux-nfs, chuck.lever

On Mon, Feb 04, 2013 at 12:50:00PM -0500, Jeff Layton wrote:
> These routines are used by server and client code, so having them in a
> separate header would be best.

Got it, thanks.

--b.
> 
> Signed-off-by: Jeff Layton <jlayton@redhat.com>
> ---
>  fs/lockd/clntlock.c             |   2 +-
>  fs/lockd/host.c                 |   1 +
>  fs/lockd/mon.c                  |   1 +
>  fs/lockd/svcsubs.c              |   2 +-
>  fs/nfs/dns_resolve.c            |   2 +
>  fs/nfs/nfs4client.c             |   1 +
>  fs/nfs/nfs4filelayoutdev.c      |   1 +
>  fs/nfs/nfs4namespace.c          |   1 +
>  fs/nfs/super.c                  |   1 +
>  fs/nfsd/fault_inject.c          |   2 +-
>  fs/nfsd/nfs4state.c             |   2 +-
>  fs/nfsd/nfscache.c              |   2 +-
>  fs/nfsd/nfsctl.c                |   2 +-
>  include/linux/sunrpc/addr.h     | 170 ++++++++++++++++++++++++++++++++++++++++
>  include/linux/sunrpc/clnt.h     | 155 ------------------------------------
>  net/sunrpc/addr.c               |   3 +-
>  net/sunrpc/clnt.c               |   1 +
>  net/sunrpc/rpcb_clnt.c          |   1 +
>  net/sunrpc/svcauth_unix.c       |   2 +-
>  net/sunrpc/xprtrdma/transport.c |   1 +
>  net/sunrpc/xprtsock.c           |   1 +
>  21 files changed, 191 insertions(+), 163 deletions(-)
>  create mode 100644 include/linux/sunrpc/addr.h
> 
> diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
> index ca0a080..4885b53 100644
> --- a/fs/lockd/clntlock.c
> +++ b/fs/lockd/clntlock.c
> @@ -11,7 +11,7 @@
>  #include <linux/slab.h>
>  #include <linux/time.h>
>  #include <linux/nfs_fs.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/svc.h>
>  #include <linux/lockd/lockd.h>
>  #include <linux/kthread.h>
> diff --git a/fs/lockd/host.c b/fs/lockd/host.c
> index 0e17090..764c4d2 100644
> --- a/fs/lockd/host.c
> +++ b/fs/lockd/host.c
> @@ -13,6 +13,7 @@
>  #include <linux/in.h>
>  #include <linux/in6.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/svc.h>
>  #include <linux/lockd/lockd.h>
>  #include <linux/mutex.h>
> diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
> index 3c2cfc6..1812f02 100644
> --- a/fs/lockd/mon.c
> +++ b/fs/lockd/mon.c
> @@ -12,6 +12,7 @@
>  #include <linux/slab.h>
>  
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/xprtsock.h>
>  #include <linux/sunrpc/svc.h>
>  #include <linux/lockd/lockd.h>
> diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
> index 0deb5f6..8064435 100644
> --- a/fs/lockd/svcsubs.c
> +++ b/fs/lockd/svcsubs.c
> @@ -13,7 +13,7 @@
>  #include <linux/slab.h>
>  #include <linux/mutex.h>
>  #include <linux/sunrpc/svc.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/nfsd/nfsfh.h>
>  #include <linux/nfsd/export.h>
>  #include <linux/lockd/lockd.h>
> diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
> index ca4b11e..62c8c41 100644
> --- a/fs/nfs/dns_resolve.c
> +++ b/fs/nfs/dns_resolve.c
> @@ -10,6 +10,7 @@
>  
>  #include <linux/module.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/dns_resolver.h>
>  #include "dns_resolve.h"
>  
> @@ -42,6 +43,7 @@ EXPORT_SYMBOL_GPL(nfs_dns_resolve_name);
>  #include <linux/seq_file.h>
>  #include <linux/inet.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/cache.h>
>  #include <linux/sunrpc/svcauth.h>
>  #include <linux/sunrpc/rpc_pipe_fs.h>
> diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c
> index acc3472..e5f2fad 100644
> --- a/fs/nfs/nfs4client.c
> +++ b/fs/nfs/nfs4client.c
> @@ -6,6 +6,7 @@
>  #include <linux/nfs_fs.h>
>  #include <linux/nfs_idmap.h>
>  #include <linux/nfs_mount.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/auth.h>
>  #include <linux/sunrpc/xprt.h>
>  #include <linux/sunrpc/bc_xprt.h>
> diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
> index b720064..1fe284f 100644
> --- a/fs/nfs/nfs4filelayoutdev.c
> +++ b/fs/nfs/nfs4filelayoutdev.c
> @@ -31,6 +31,7 @@
>  #include <linux/nfs_fs.h>
>  #include <linux/vmalloc.h>
>  #include <linux/module.h>
> +#include <linux/sunrpc/addr.h>
>  
>  #include "internal.h"
>  #include "nfs4session.h"
> diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
> index 1e09eb7..0dd7660 100644
> --- a/fs/nfs/nfs4namespace.c
> +++ b/fs/nfs/nfs4namespace.c
> @@ -14,6 +14,7 @@
>  #include <linux/slab.h>
>  #include <linux/string.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/vfs.h>
>  #include <linux/inet.h>
>  #include "internal.h"
> diff --git a/fs/nfs/super.c b/fs/nfs/super.c
> index c25cadf8..3250b41 100644
> --- a/fs/nfs/super.c
> +++ b/fs/nfs/super.c
> @@ -31,6 +31,7 @@
>  #include <linux/errno.h>
>  #include <linux/unistd.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/stats.h>
>  #include <linux/sunrpc/metrics.h>
>  #include <linux/sunrpc/xprtsock.h>
> diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
> index e761ee9..247c00c 100644
> --- a/fs/nfsd/fault_inject.c
> +++ b/fs/nfsd/fault_inject.c
> @@ -9,7 +9,7 @@
>  #include <linux/debugfs.h>
>  #include <linux/module.h>
>  #include <linux/nsproxy.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <asm/uaccess.h>
>  
>  #include "state.h"
> diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
> index 4db46aa..8c2bdfa 100644
> --- a/fs/nfsd/nfs4state.c
> +++ b/fs/nfsd/nfs4state.c
> @@ -40,7 +40,7 @@
>  #include <linux/pagemap.h>
>  #include <linux/ratelimit.h>
>  #include <linux/sunrpc/svcauth_gss.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include "xdr4.h"
>  #include "vfs.h"
>  #include "current_stateid.h"
> diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
> index 56b3070..5d93b5d 100644
> --- a/fs/nfsd/nfscache.c
> +++ b/fs/nfsd/nfscache.c
> @@ -9,7 +9,7 @@
>   */
>  
>  #include <linux/slab.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/highmem.h>
>  #include <linux/crc32.h>
>  
> diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
> index 65889ec..29c3f0d 100644
> --- a/fs/nfsd/nfsctl.c
> +++ b/fs/nfsd/nfsctl.c
> @@ -10,7 +10,7 @@
>  
>  #include <linux/sunrpc/svcsock.h>
>  #include <linux/lockd/lockd.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/gss_api.h>
>  #include <linux/sunrpc/gss_krb5_enctypes.h>
>  #include <linux/sunrpc/rpc_pipe_fs.h>
> diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h
> new file mode 100644
> index 0000000..07d8e53
> --- /dev/null
> +++ b/include/linux/sunrpc/addr.h
> @@ -0,0 +1,170 @@
> +/*
> + * 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_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 */
> diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
> index 6a7c261..4a4abde 100644
> --- a/include/linux/sunrpc/clnt.h
> +++ b/include/linux/sunrpc/clnt.h
> @@ -165,160 +165,5 @@ size_t		rpc_peeraddr(struct rpc_clnt *, struct sockaddr *, size_t);
>  const char	*rpc_peeraddr2str(struct rpc_clnt *, enum rpc_display_format_t);
>  int		rpc_localaddr(struct rpc_clnt *, struct sockaddr *, size_t);
>  
> -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_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 /* __KERNEL__ */
>  #endif /* _LINUX_SUNRPC_CLNT_H */
> diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
> index d11418f..a622ad6 100644
> --- a/net/sunrpc/addr.c
> +++ b/net/sunrpc/addr.c
> @@ -17,7 +17,8 @@
>   */
>  
>  #include <net/ipv6.h>
> -#include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
> +#include <linux/sunrpc/msg_prot.h>
>  #include <linux/slab.h>
>  #include <linux/export.h>
>  
> diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
> index 822f020..c8193ce 100644
> --- a/net/sunrpc/clnt.c
> +++ b/net/sunrpc/clnt.c
> @@ -33,6 +33,7 @@
>  #include <linux/rcupdate.h>
>  
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/rpc_pipe_fs.h>
>  #include <linux/sunrpc/metrics.h>
>  #include <linux/sunrpc/bc_xprt.h>
> diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
> index 795a0f4..3df764d 100644
> --- a/net/sunrpc/rpcb_clnt.c
> +++ b/net/sunrpc/rpcb_clnt.c
> @@ -26,6 +26,7 @@
>  #include <net/ipv6.h>
>  
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/sched.h>
>  #include <linux/sunrpc/xprtsock.h>
>  
> diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
> index 4d01292..ce34c8e 100644
> --- a/net/sunrpc/svcauth_unix.c
> +++ b/net/sunrpc/svcauth_unix.c
> @@ -6,6 +6,7 @@
>  #include <linux/sunrpc/svcsock.h>
>  #include <linux/sunrpc/svcauth.h>
>  #include <linux/sunrpc/gss_api.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/err.h>
>  #include <linux/seq_file.h>
>  #include <linux/hash.h>
> @@ -17,7 +18,6 @@
>  #include <linux/user_namespace.h>
>  #define RPCDBG_FACILITY	RPCDBG_AUTH
>  
> -#include <linux/sunrpc/clnt.h>
>  
>  #include "netns.h"
>  
> diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
> index c9aa7a3..66591dc 100644
> --- a/net/sunrpc/xprtrdma/transport.c
> +++ b/net/sunrpc/xprtrdma/transport.c
> @@ -51,6 +51,7 @@
>  #include <linux/init.h>
>  #include <linux/slab.h>
>  #include <linux/seq_file.h>
> +#include <linux/sunrpc/addr.h>
>  
>  #include "xprt_rdma.h"
>  
> diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
> index 68b0a81..bbc0915 100644
> --- a/net/sunrpc/xprtsock.c
> +++ b/net/sunrpc/xprtsock.c
> @@ -33,6 +33,7 @@
>  #include <linux/udp.h>
>  #include <linux/tcp.h>
>  #include <linux/sunrpc/clnt.h>
> +#include <linux/sunrpc/addr.h>
>  #include <linux/sunrpc/sched.h>
>  #include <linux/sunrpc/svcsock.h>
>  #include <linux/sunrpc/xprtsock.h>
> -- 
> 1.7.11.7
> 

^ permalink raw reply	[flat|nested] 7+ messages in thread

end of thread, other threads:[~2013-02-04 18:10 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-02-04 15:23 [PATCH] sunrpc: move address copy/cmp/convert routines and prototypes from clnt.h to addr.h Jeff Layton
2013-02-04 16:09 ` J. Bruce Fields
2013-02-04 16:15   ` Myklebust, Trond
2013-02-04 16:18     ` J. Bruce Fields
2013-02-04 17:01       ` J. Bruce Fields
2013-02-04 17:50 ` [PATCH v2] " Jeff Layton
2013-02-04 18:10   ` J. Bruce Fields

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