Commit 4b6473fb authored by Chuck Lever's avatar Chuck Lever Committed by Trond Myklebust
Browse files

SUNRPC: add a function to format IPv6 addresses 



Clone xs_format_ipv4_peer_addresses into an IPv6 version.

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent ba10f2c2

net/sunrpc/xprtsock.c

+52 −0
Original line number Diff line number Diff line
@@ -312,6 +312,58 @@ static void xs_format_ipv4_peer_addresses(struct rpc_xprt *xprt) 
	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;