TSG-10708 KNI使用io_uring替换read/write以实现I/O加速

* support iouring: 按需动态分配内存

entry/include/kni_entry.h

@@ -7,6 +7,7 @@
 #include <tsg/tsg_statistic.h>
 #include "tfe_mgr.h"
 #include <tsg/tsg_label.h>
+#include "kni_iouring.h"
 
 #define BURST_MAX   1
 #define CALLER_SAPP 0
@@ -196,6 +197,9 @@ struct per_thread_handle{
 	MESA_htable_handle tuple2stream_htable;
 	MESA_htable_handle traceid2sslinfo_htable;
 	struct expiry_dablooms_handle *dabloom_handle;
+#if (SUPPORT_LIBURING)
+	struct io_uring_handle *iouring_handle;
+#endif
 };
 
 struct tuple2stream_htable_value{
@@ -211,6 +215,7 @@ struct security_policy_shunt_tsg_diagnose{
 };
 
 struct kni_handle{
+	struct io_uring_conf iouring_conf;
 	struct kni_marsio_handle *marsio_handle;
 	struct bpf_ctx *tap_bpf_ctx;
 	struct kni_maat_handle *maat_handle;

entry/include/kni_iouring.h

@@ -0,0 +1,69 @@
+#ifndef _KNI_IOURING_H_
+#define _KNI_IOURING_H_
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+
+#if (SUPPORT_LIBURING)
+#include <liburing.h>
+#endif
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#define MAX_BATCH_CQE_NUM 128
+
+    struct io_uring_conf
+    {
+        int enable_iouring;
+        int enable_debuglog;
+
+        int ring_size;
+        int buff_size;
+
+        int flags;
+        int sq_thread_idle; // milliseconds
+    };
+
+#if (SUPPORT_LIBURING)
+    enum evtype
+    {
+        EVTYPE_UNKNOWN = 0,
+        EVTYPE_READ = 1,
+        EVTYPE_WRITE = 2,
+    };
+
+    struct user_data
+    {
+        int sockfd;
+        enum evtype type;
+        struct iovec vec;
+    };
+
+    struct io_uring_handle
+    {
+        struct io_uring ring;
+        struct io_uring_params params;
+
+        int ring_size;
+        int buff_size;
+    };
+
+    struct user_data *io_uring_user_data_create(int sockfd, enum evtype type, int buff_size);
+    void io_uring_user_data_destory(struct user_data *conn);
+
+    struct io_uring_handle *io_uring_handle_create(int ring_size, int buff_size, int flags, int sq_thread_idle);
+    void io_uring_handle_destory(struct io_uring_handle *handle);
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

entry/include/kni_tap_rss.h

@@ -6,7 +6,7 @@ extern "C"
 {
 #endif
 
-#define TAP_RSS_LOG_TAG "TAP_RSS :"
+#define TAP_RSS_LOG_TAG "TAP_RSS: "
 
 struct bpf_ctx;