backpot bugfix and doc

0082-fix-memcpy-out-bounds.patch

@@ -0,0 +1,26 @@
+From 4d5832685f7fbdb5314acdf04fbd0882357880ec Mon Sep 17 00:00:00 2001
+From: wu-changsheng <wuchangsheng2@huawei.com>
+Date: Tue, 2 Aug 2022 19:32:54 +0800
+Subject: [PATCH 11/20] fix memcpy out bounds
+
+---
+ src/lstack/core/lstack_stack_stat.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/lstack/core/lstack_stack_stat.c b/src/lstack/core/lstack_stack_stat.c
+index 09aa04c..e8c5bc3 100644
+--- a/src/lstack/core/lstack_stack_stat.c
++++ b/src/lstack/core/lstack_stack_stat.c
+@@ -172,7 +172,8 @@ static void get_stack_stats(struct gazelle_stack_dfx_data *dfx, struct protocol_
+ 
+     lstack_get_low_power_info(&dfx->low_power_info);
+ 
+-    int32_t ret = memcpy_s(&dfx->data.pkts.stack_stat, sizeof(dfx->data.pkts), &stack->stats, sizeof(dfx->data.pkts));
++    int32_t ret = memcpy_s(&dfx->data.pkts.stack_stat, sizeof(struct gazelle_stack_stat),
++        &stack->stats, sizeof(struct gazelle_stack_stat));
+     if (ret != EOK) {
+         LSTACK_LOG(ERR, LSTACK, "memcpy_s err ret=%d \n", ret);
+         return;
+-- 
+2.23.0
+

0083-fix-miss-send-rpc-msg-err.patch

@@ -0,0 +1,62 @@
+From e0e21a4170ef062cb66288beb6800a7c43da7136 Mon Sep 17 00:00:00 2001
+From: wu-changsheng <wuchangsheng2@huawei.com>
+Date: Mon, 29 Aug 2022 16:54:20 +0800
+Subject: [PATCH 15/20] fix miss send rpc msg err
+
+---
+ src/lstack/core/lstack_lwip.c              | 1 -
+ src/lstack/core/lstack_thread_rpc.c        | 5 -----
+ src/lstack/include/lstack_protocol_stack.h | 1 -
+ 3 files changed, 7 deletions(-)
+
+diff --git a/src/lstack/core/lstack_lwip.c b/src/lstack/core/lstack_lwip.c
+index 96c6c96..35b67f5 100644
+--- a/src/lstack/core/lstack_lwip.c
++++ b/src/lstack/core/lstack_lwip.c
+@@ -321,7 +321,6 @@ void stack_send(struct rpc_msg *msg)
+     int32_t flags = msg->args[MSG_ARG_2].i;
+ 
+     struct protocol_stack *stack = get_protocol_stack();
+-    __atomic_store_n(&stack->in_send, false, __ATOMIC_RELEASE);
+ 
+     struct lwip_sock *sock = get_socket(fd);
+     if (sock == NULL) {
+diff --git a/src/lstack/core/lstack_thread_rpc.c b/src/lstack/core/lstack_thread_rpc.c
+index d0f5257..a6e9725 100644
+--- a/src/lstack/core/lstack_thread_rpc.c
++++ b/src/lstack/core/lstack_thread_rpc.c
+@@ -429,11 +429,7 @@ int32_t rpc_call_ioctl(int fd, long cmd, void *argp)
+ 
+ void rpc_call_send(int fd, const void *buf, size_t len, int flags)
+ {
+-    /* same stack don't repeat send msg */
+     struct protocol_stack *stack = get_protocol_stack_by_fd(fd);
+-    if (__atomic_load_n(&stack->in_send, __ATOMIC_ACQUIRE)) {
+-        return;
+-    }
+ 
+     struct rpc_msg *msg = rpc_msg_alloc(stack, stack_send);
+     if (msg == NULL) {
+@@ -445,7 +441,6 @@ void rpc_call_send(int fd, const void *buf, size_t len, int flags)
+     msg->args[MSG_ARG_2].i = flags;
+     msg->self_release = 0;
+ 
+-    stack->in_send = true;
+     rpc_call(&stack->rpc_queue, msg);
+ }
+ 
+diff --git a/src/lstack/include/lstack_protocol_stack.h b/src/lstack/include/lstack_protocol_stack.h
+index 2a6aec7..36340ab 100644
+--- a/src/lstack/include/lstack_protocol_stack.h
++++ b/src/lstack/include/lstack_protocol_stack.h
+@@ -50,7 +50,6 @@ struct protocol_stack {
+     struct reg_ring_msg *reg_buf;
+ 
+     volatile bool low_power;
+-    volatile bool in_send __rte_cache_aligned;
+     lockless_queue rpc_queue __rte_cache_aligned;
+     char pad __rte_cache_aligned;
+ 
+-- 
+2.23.0
+

0084-fix-proc-can-not-exit-due-to-lack-of-mem-startup-fai.patch

@@ -0,0 +1,37 @@
+From 5d10ccf130b742f4e910568b642ac351a489c072 Mon Sep 17 00:00:00 2001
+From: wu-changsheng <wuchangsheng2@huawei.com>
+Date: Fri, 2 Sep 2022 19:26:05 +0800
+Subject: [PATCH 17/20] fix proc can not exit due to lack of mem startup fail
+
+---
+ src/lstack/core/lstack_protocol_stack.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/src/lstack/core/lstack_protocol_stack.c b/src/lstack/core/lstack_protocol_stack.c
+index 4f1ad41..3009286 100644
+--- a/src/lstack/core/lstack_protocol_stack.c
++++ b/src/lstack/core/lstack_protocol_stack.c
+@@ -373,10 +373,12 @@ static struct protocol_stack *stack_thread_init(uint16_t queue_id)
+     struct protocol_stack *stack = malloc(sizeof(*stack));
+     if (stack == NULL) {
+         LSTACK_LOG(ERR, LSTACK, "malloc stack failed\n");
++        sem_post(&stack_group->thread_phase1);
+         return NULL;
+     }
+ 
+     if (init_stack_value(stack, queue_id) != 0) {
++        sem_post(&stack_group->thread_phase1);
+         free(stack);
+         return NULL;
+     }
+@@ -389,6 +391,7 @@ static struct protocol_stack *stack_thread_init(uint16_t queue_id)
+ 
+     if (use_ltran()) {
+         if (client_reg_thrd_ring() != 0) {
++            sem_post(&stack_group->thread_phase1);
+             free(stack);
+             return NULL;
+         }
+-- 
+2.23.0
+

0085-read-data-with-err-event.patch

@@ -0,0 +1,25 @@
+From 27f6745def82693c661aaf0a1a6353790955755c Mon Sep 17 00:00:00 2001
+From: wu-changsheng <wuchangsheng2@huawei.com>
+Date: Sat, 3 Sep 2022 20:51:41 +0800
+Subject: [PATCH 18/20] read data with err event
+
+---
+ src/lstack/core/lstack_lwip.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/lstack/core/lstack_lwip.c b/src/lstack/core/lstack_lwip.c
+index 35b67f5..10c2cd9 100644
+--- a/src/lstack/core/lstack_lwip.c
++++ b/src/lstack/core/lstack_lwip.c
+@@ -577,7 +577,7 @@ ssize_t read_stack_data(int32_t fd, void *buf, size_t len, int32_t flags)
+         GAZELLE_RETURN(EINVAL);
+     }
+ 
+-    if (sock->errevent > 0) {
++    if (sock->errevent > 0 && !NETCONN_IS_DATAIN(sock)) {
+         return 0;
+     }
+ 
+-- 
+2.23.0
+

0086-del-gazelle-ring-cons.tail-atomic-protect.patch

@@ -0,0 +1,44 @@
+From 138399196dcb2fb926cc2dbeedfcdb4bf1f1401b Mon Sep 17 00:00:00 2001
+From: wu-changsheng <wuchangsheng2@huawei.com>
+Date: Sat, 3 Sep 2022 21:31:15 +0800
+Subject: [PATCH 19/20] del gazelle ring cons.tail atomic protect
+
+---
+ src/common/dpdk_common.h | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/common/dpdk_common.h b/src/common/dpdk_common.h
+index 987fbdd..1c3e7e8 100644
+--- a/src/common/dpdk_common.h
++++ b/src/common/dpdk_common.h
+@@ -141,7 +141,7 @@ static __rte_always_inline uint32_t gazelle_light_ring_dequeue_burst(struct rte_
+ static __rte_always_inline uint32_t gazelle_ring_sp_enqueue(struct rte_ring *r, void **obj_table, uint32_t n)
+ {
+     uint32_t head = __atomic_load_n(&r->cons.head, __ATOMIC_ACQUIRE);
+-    uint32_t tail = __atomic_load_n(&r->cons.tail, __ATOMIC_ACQUIRE);
++    uint32_t tail = r->cons.tail;
+ 
+     uint32_t entries = r->capacity + tail - head;
+     if (n > entries) {
+@@ -158,8 +158,8 @@ static __rte_always_inline uint32_t gazelle_ring_sp_enqueue(struct rte_ring *r,
+ 
+ static __rte_always_inline uint32_t gazelle_ring_sc_dequeue(struct rte_ring *r, void **obj_table, uint32_t n)
+ {
+-    uint32_t cons = __atomic_load_n(&r->cons.tail, __ATOMIC_ACQUIRE);
+     uint32_t prod = __atomic_load_n(&r->prod.tail, __ATOMIC_ACQUIRE);
++    uint32_t cons = r->cons.tail;
+ 
+     uint32_t entries = prod - cons;
+     if (n > entries) {
+@@ -172,7 +172,7 @@ static __rte_always_inline uint32_t gazelle_ring_sc_dequeue(struct rte_ring *r,
+ 
+     DEQUEUE_PTRS(r, &r[1], cons, obj_table, n, void *);
+ 
+-    __atomic_store_n(&r->cons.tail, cons + n, __ATOMIC_RELEASE);
++    r->cons.tail = cons + n;
+ 
+     return n;
+ }
+-- 
+2.23.0
+

0087-fix-send-return-vale.patch

@@ -0,0 +1,40 @@
+From 09ca97c3777c5459fa8717e3ce298a62ff0c84e6 Mon Sep 17 00:00:00 2001
+From: wu-changsheng <wuchangsheng2@huawei.com>
+Date: Sat, 3 Sep 2022 21:50:27 +0800
+Subject: [PATCH 20/20] fix send return vale
+
+---
+ src/lstack/core/lstack_lwip.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/lstack/core/lstack_lwip.c b/src/lstack/core/lstack_lwip.c
+index 10c2cd9..5174e4c 100644
+--- a/src/lstack/core/lstack_lwip.c
++++ b/src/lstack/core/lstack_lwip.c
+@@ -256,12 +256,12 @@ static inline void del_data_out_event(struct lwip_sock *sock)
+ ssize_t write_stack_data(struct lwip_sock *sock, const void *buf, size_t len)
+ {
+     if (sock->errevent > 0) {
+-        return 0;
++        GAZELLE_RETURN(ENOTCONN);
+     }
+ 
+     uint32_t free_count = gazelle_ring_readable_count(sock->send_ring);
+     if (free_count == 0) {
+-        return -1;
++        return 0;
+     }
+ 
+     struct pbuf *pbuf = NULL;
+@@ -293,7 +293,7 @@ ssize_t write_stack_data(struct lwip_sock *sock, const void *buf, size_t len)
+         }
+     }
+ 
+-    return (send_len <= 0) ? -1 : send_len;
++    return send_len;
+ }
+ 
+ static void do_lwip_send(int32_t fd, struct lwip_sock *sock, int32_t flags)
+-- 
+2.23.0
+

0089-expand-thread-rpc-msg-pool-size.patch

@@ -0,0 +1,25 @@
+From 6c88041590ef9f79e85a243fa905267898f3ab98 Mon Sep 17 00:00:00 2001
+From: wu-changsheng <wuchangsheng2@huawei.com>
+Date: Mon, 5 Sep 2022 16:54:55 +0800
+Subject: [PATCH] expand thread rpc msg pool size
+
+---
+ src/lstack/core/lstack_thread_rpc.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/lstack/core/lstack_thread_rpc.c b/src/lstack/core/lstack_thread_rpc.c
+index a6e9725..c9fc4e9 100644
+--- a/src/lstack/core/lstack_thread_rpc.c
++++ b/src/lstack/core/lstack_thread_rpc.c
+@@ -23,7 +23,7 @@
+ #include "lstack_dpdk.h"
+ #include "lstack_thread_rpc.h"
+ 
+-#define RPC_MSG_MAX            32
++#define RPC_MSG_MAX            512
+ #define RPC_MSG_MASK           (RPC_MSG_MAX - 1)
+ struct rpc_msg_pool {
+     struct rpc_msg msgs[RPC_MSG_MAX];
+-- 
+2.23.0
+

0090-fix-ltran-sig_default_handler-kill-pid.patch

@@ -0,0 +1,33 @@
+From 21ae5e6b6bc7baa02dbe934b28677ad9e0646447 Mon Sep 17 00:00:00 2001
+From: wu-changsheng <wuchangsheng2@huawei.com>
+Date: Tue, 6 Sep 2022 10:41:59 +0800
+Subject: [PATCH] fix ltran sig handler get pid
+
+---
+ src/ltran/main.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/ltran/main.c b/src/ltran/main.c
+index d1e4030..2e3af82 100644
+--- a/src/ltran/main.c
++++ b/src/ltran/main.c
+@@ -17,6 +17,7 @@
+ #include <syslog.h>
+ #include <sys/types.h>
+ #include <rte_malloc.h>
++#include <unistd.h>
+ 
+ #include "dpdk_common.h"
+ #include "ltran_log.h"
+@@ -58,7 +59,7 @@ static void sig_default_handler(int32_t sig)
+     LTRAN_ERR("ltran dumped，caught signal：%d.\n", sig);
+     print_stack();
+     dpdk_kni_release();
+-    kill(getpt(), sig);
++    kill(getpid(), sig);
+ }
+ 
+ static void signal_init(void)
+-- 
+2.23.0
+

gazelle.spec

@@ -2,7 +2,7 @@
 
 Name:          gazelle
 Version:       1.0.1
-Release:       17
+Release:       18
 Summary:       gazelle is a high performance user-mode stack
 License:       MulanPSL-2.0
 URL:           https://gitee.com/openeuler/gazelle
@@ -56,7 +56,6 @@ Patch9038:     0038-refactor-event.patch
 Patch9039:     0039-update-license-lockless-queue.patch
 Patch9040:     0040-adapt-to-gazelle.patch
 Patch9041:     0041-modify-securec-to-boundscheck.patch
-
 Patch9042:     0042-fix-sock-invalid-address.patch
 Patch9043:     0043-exit-lstack-process-after-ltran-instance-logout.patch
 Patch9044:     0044-use-atomic-variales-to-count.patch
@@ -97,6 +96,15 @@ Patch9078:     0078-fix-rpc-msg-out-of-bound.patch
 Patch9079:     0079-fix-traversal-array-use-NULL-pointer.patch
 Patch9080:     0080-same-stack-thread-don-t-repeate-send-msg.patch
 Patch9081:     0081-modify-huge-dir-dir-name.patch
+Patch9082:     0082-fix-memcpy-out-bounds.patch
+Patch9083:     0083-fix-miss-send-rpc-msg-err.patch
+Patch9084:     0084-fix-proc-can-not-exit-due-to-lack-of-mem-startup-fai.patch
+Patch9085:     0085-read-data-with-err-event.patch
+Patch9086:     0086-del-gazelle-ring-cons.tail-atomic-protect.patch
+Patch9087:     0087-fix-send-return-vale.patch
+Patch9088:     0088-add-examples.patch
+Patch9089:     0089-expand-thread-rpc-msg-pool-size.patch
+Patch9090:     0090-fix-ltran-sig_default_handler-kill-pid.patch
 
 %description
 %{name} is a high performance user-mode stack.
@@ -137,6 +145,9 @@ install -Dpm 0640 %{_builddir}/%{name}-%{version}/src/ltran/ltran.conf       %{b
 %config(noreplace) %{conf_path}/ltran.conf
 
 %changelog
+* Mon Sep 05 2022 wuchangsheng <wuchangsheng2@huawei.com> - 1.0.1-18
+- backport bugfix and doc
+
 * Mon Aug 08 2022 fushanqing <fushanqing@kylinos.cn> - 1.0.1-17
 - Unified license name specification