SUNRPC: add a function to format IPv6 addresses
Clone xs_format_ipv4_peer_addresses into an IPv6 version.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 45fac56..23e5865 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -312,6 +312,58 @@
xprt->address_strings[RPC_DISPLAY_HEX_PORT] = buf;
}
+static void xs_format_ipv6_peer_addresses(struct rpc_xprt *xprt)
+{
+ struct sockaddr_in6 *addr = (struct sockaddr_in6 *) &xprt->addr;
+ char *buf;
+
+ buf = kzalloc(40, GFP_KERNEL);
+ if (buf) {
+ snprintf(buf, 40, NIP6_FMT,
+ NIP6(addr->sin6_addr));
+ }
+ xprt->address_strings[RPC_DISPLAY_ADDR] = buf;
+
+ buf = kzalloc(8, GFP_KERNEL);
+ if (buf) {
+ snprintf(buf, 8, "%u",
+ ntohs(addr->sin6_port));
+ }
+ xprt->address_strings[RPC_DISPLAY_PORT] = buf;
+
+ buf = kzalloc(8, GFP_KERNEL);
+ if (buf) {
+ if (xprt->prot == IPPROTO_UDP)
+ snprintf(buf, 8, "udp");
+ else
+ snprintf(buf, 8, "tcp");
+ }
+ xprt->address_strings[RPC_DISPLAY_PROTO] = buf;
+
+ buf = kzalloc(64, GFP_KERNEL);
+ if (buf) {
+ snprintf(buf, 64, "addr="NIP6_FMT" port=%u proto=%s",
+ NIP6(addr->sin6_addr),
+ ntohs(addr->sin6_port),
+ xprt->prot == IPPROTO_UDP ? "udp" : "tcp");
+ }
+ xprt->address_strings[RPC_DISPLAY_ALL] = buf;
+
+ buf = kzalloc(36, GFP_KERNEL);
+ if (buf) {
+ snprintf(buf, 36, NIP6_SEQFMT,
+ NIP6(addr->sin6_addr));
+ }
+ xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = buf;
+
+ buf = kzalloc(8, GFP_KERNEL);
+ if (buf) {
+ snprintf(buf, 8, "%4hx",
+ ntohs(addr->sin6_port));
+ }
+ xprt->address_strings[RPC_DISPLAY_HEX_PORT] = buf;
+}
+
static void xs_free_peer_addresses(struct rpc_xprt *xprt)
{
int i;