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authorOlga Kornievskaia <kolga@netapp.com>2019-06-05 20:46:29 +0300
committerJ. Bruce Fields <bfields@redhat.com>2019-12-09 19:42:14 +0300
commitaf76fc6c158d5e70764c9cc277aefe7a134436fd (patch)
tree2145e6ebb46761eade3c12e0096d7726a169e3d9
parente42617b825f8073569da76dc4510bfa019b1c35a (diff)
downloadlinux-af76fc6c158d5e70764c9cc277aefe7a134436fd.tar.xz
NFSD fill-in netloc4 structure
nfs.4 defines nfs42_netaddr structure that represents netloc4. Populate needed fields from the sockaddr structure. This will be used by flexfiles and 4.2 inter copy Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
-rw-r--r--fs/nfsd/nfsd.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 57b93d95fa5c..0ff6ef964a48 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -19,6 +19,7 @@
#include <linux/sunrpc/svc.h>
#include <linux/sunrpc/svc_xprt.h>
#include <linux/sunrpc/msg_prot.h>
+#include <linux/sunrpc/addr.h>
#include <uapi/linux/nfsd/debug.h>
@@ -387,6 +388,37 @@ void nfsd_lockd_shutdown(void);
extern const u32 nfsd_suppattrs[3][3];
+static inline u32 nfsd4_set_netaddr(struct sockaddr *addr,
+ struct nfs42_netaddr *netaddr)
+{
+ struct sockaddr_in *sin = (struct sockaddr_in *)addr;
+ struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)addr;
+ unsigned int port;
+ size_t ret_addr, ret_port;
+
+ switch (addr->sa_family) {
+ case AF_INET:
+ port = ntohs(sin->sin_port);
+ sprintf(netaddr->netid, "tcp");
+ netaddr->netid_len = 3;
+ break;
+ case AF_INET6:
+ port = ntohs(sin6->sin6_port);
+ sprintf(netaddr->netid, "tcp6");
+ netaddr->netid_len = 4;
+ break;
+ default:
+ return nfserr_inval;
+ }
+ ret_addr = rpc_ntop(addr, netaddr->addr, sizeof(netaddr->addr));
+ ret_port = snprintf(netaddr->addr + ret_addr,
+ RPCBIND_MAXUADDRLEN + 1 - ret_addr,
+ ".%u.%u", port >> 8, port & 0xff);
+ WARN_ON(ret_port >= RPCBIND_MAXUADDRLEN + 1 - ret_addr);
+ netaddr->addr_len = ret_addr + ret_port;
+ return 0;
+}
+
static inline bool bmval_is_subset(const u32 *bm1, const u32 *bm2)
{
return !((bm1[0] & ~bm2[0]) ||