From 8af4c656e2462964cfedc5b8672296b6aa0b4612 Mon Sep 17 00:00:00 2001
From: wu-changsheng <wuchangsheng2@huawei.com>
Date: Fri, 30 Dec 2022 15:37:08 +0800
Subject: [PATCH] expand recv mbox size

---
 0049-expand-recv-mbox-size.patch | 61 ++++++++++++++++++++++++++++++++
 lwip.spec                        |  7 +++-
 2 files changed, 67 insertions(+), 1 deletion(-)
 create mode 100644 0049-expand-recv-mbox-size.patch

diff --git a/0049-expand-recv-mbox-size.patch b/0049-expand-recv-mbox-size.patch
new file mode 100644
index 0000000..b8a9e76
--- /dev/null
+++ b/0049-expand-recv-mbox-size.patch
@@ -0,0 +1,61 @@
+From c18ca96d1c2ef02153ce9fb22386b4e8a44b60e9 Mon Sep 17 00:00:00 2001
+From: wuchangsheng <wuchangsheng2@huawei.com>
+Date: Fri, 30 Dec 2022 11:34:31 +0800
+Subject: [PATCH] expand recv mbox size
+
+---
+ src/core/tcp_out.c     | 6 +++---
+ src/include/lwipopts.h | 2 +-
+ src/include/lwipsock.h | 2 --
+ 3 files changed, 4 insertions(+), 6 deletions(-)
+
+diff --git a/src/core/tcp_out.c b/src/core/tcp_out.c
+index 4feeb69..f84ff57 100644
+--- a/src/core/tcp_out.c
++++ b/src/core/tcp_out.c
+@@ -1476,9 +1476,9 @@ tcp_output(struct tcp_pcb *pcb)
+   if (get_eth_params_tx_ol() & DEV_TX_OFFLOAD_TCP_TSO) {
+     while(seg && send_len < 0xffff) {
+       /**
+-       * 1）遍历unsent队列，找到所有的待发送seg. 将seg的buf串起来
+-       * 2) 生成新的seg, 调用tcp_output_segment, 新的seg释放掉
+-       * 3) 若成功，则更新snd_nxt, unacked队列，和unsent队列。 
++       * 1) walk unsent queue, find all seg witch wait to send. chain buf in these segs.
++       * 2) create new segment, send and free new segment.
++       * 3) update snd_nxt, unacked queue, and unsent queue
+        */
+       struct tcp_seg *start_seg = seg;
+       struct pbuf *first_pbuf = NULL;
+diff --git a/src/include/lwipopts.h b/src/include/lwipopts.h
+index 405cf11..fedded9 100644
+--- a/src/include/lwipopts.h
++++ b/src/include/lwipopts.h
+@@ -113,7 +113,7 @@
+ 
+ #define LWIP_NETIF_API 1
+ 
+-#define DEFAULT_TCP_RECVMBOX_SIZE 128
++#define DEFAULT_TCP_RECVMBOX_SIZE 4096
+ 
+ #define DEFAULT_ACCEPTMBOX_SIZE 1024
+ 
+diff --git a/src/include/lwipsock.h b/src/include/lwipsock.h
+index fef5b6d..a807e3e 100644
+--- a/src/include/lwipsock.h
++++ b/src/include/lwipsock.h
+@@ -104,12 +104,10 @@ struct lwip_sock {
+   char pad1 __rte_cache_aligned;
+   /* app and stack thread all use */
+   uint32_t in_send; /* avoid sock too much send rpc msg*/
+-  bool read_wait;
+   char pad2 __rte_cache_aligned;
+   /* stack thread all use */
+   struct list_node recv_list;
+   struct list_node send_list;
+-  struct pbuf *lwip_lastdata;
+   struct pbuf *send_lastdata;
+   struct pbuf *send_pre_del;
+ 
+-- 
+2.8.4.windows.1
+
diff --git a/lwip.spec b/lwip.spec
index 482abf0..791242e 100644
--- a/lwip.spec
+++ b/lwip.spec
@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.1.3
-Release: 38
+Release: 39
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -60,6 +60,7 @@ Patch9044:  0045-add-variable-in-struct-sock.patch
 Patch9045:  0046-add-dataack-when-recv-too-many-acks-with-data.patch
 Patch9046:  0047-reduce-struct-pbuf-size.patch
 Patch9047:  0048-listen-pcb-also-use-pcb_if.patch
+Patch9048:  0049-expand-recv-mbox-size.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -124,6 +125,7 @@ find %{_builddir}/%{name}-%{version} -type f -exec dos2unix -q {} \;
 %patch9045 -p1
 %patch9046 -p1
 %patch9047 -p1
+%patch9048 -p1
 
 %build
 cd %{_builddir}/%{name}-%{version}/src
@@ -139,6 +141,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Fri Dec 30 2022 wuchangsheng<wuchangsheng2@huawei.com> - 2.1.3-39
+- expand recv mbox size
+
 * Wed Dec 21 2022 jiangheng <jiangheng14@huawei.com> - 2.1.3-38
 - move pcb_if to ip_pcb to let listen pcb can use it