fix shortcut

shortcut-fe/sfe_init.c

@@ -0,0 +1,104 @@
+/*
+ * sfe_init.c
+ *	Shortcut forwarding engine initialization.
+ *
+ * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/sysfs.h>
+#include <linux/skbuff.h>
+#include <linux/icmp.h>
+#include <net/tcp.h>
+#include <linux/etherdevice.h>
+#include <linux/version.h>
+
+#include "sfe_api.h"
+#include "sfe.h"
+#include "sfe_ipv4.h"
+#include "sfe_ipv6.h"
+
+int max_ipv4_conn = SFE_MAX_CONNECTION_NUM;
+module_param(max_ipv4_conn, int, S_IRUGO);
+MODULE_PARM_DESC(max_ipv4_conn, "Max number of IPv4 connections");
+
+int max_ipv6_conn = SFE_MAX_CONNECTION_NUM;
+module_param(max_ipv6_conn, int, S_IRUGO);
+MODULE_PARM_DESC(max_ipv6_conn, "Max number of IPv6 connections");
+
+/*
+ * sfe_init()
+ *	Initialize SFE engine.
+ */
+static int __init sfe_init(void)
+{
+	/*
+	 * Initialize SFE IPv4 engine.
+	 */
+	if (sfe_ipv4_init()) {
+		goto fail0;
+	}
+
+#ifdef SFE_SUPPORT_IPV6
+
+	/*
+	 * Initialize SFE IPv6 engine.
+	 */
+	if (sfe_ipv6_init()) {
+		goto fail1;
+	}
+#endif
+
+	/*
+	 * Initialize SFE infrastructure and register SFE hook with Linux stack
+	 */
+	if (sfe_init_if()) {
+		goto fail2;
+	}
+
+	return 0;
+
+fail2:
+#ifdef SFE_SUPPORT_IPV6
+	sfe_ipv6_exit();
+fail1:
+#endif
+
+	sfe_ipv4_exit();
+
+fail0:
+
+	return -1;
+}
+
+/*
+ * sfe_exit()
+ */
+static void __exit sfe_exit(void)
+{
+
+	sfe_exit_if();
+
+#ifdef SFE_SUPPORT_IPV6
+	sfe_ipv6_exit();
+#endif
+	sfe_ipv4_exit();
+}
+
+module_init(sfe_init)
+module_exit(sfe_exit)
+
+MODULE_AUTHOR("Qualcomm Technologies");
+MODULE_DESCRIPTION("Shortcut Forwarding Engine");
+MODULE_LICENSE("Dual BSD/GPL");