From bc42971f798343d774d87d553f11dd258c4d9016 Mon Sep 17 00:00:00 2001
From: kircher <majun65@huawei.com>
Date: Wed, 21 Jun 2023 17:32:49 +0800
Subject: [PATCH] add udp cksum in lwip

(cherry picked from commit 6843c82bf7e0d2fdac567be6ac3ab9c8652f345d)
---
 0068-enable-UDP-CKSUM-in-lwip.patch | 61 +++++++++++++++++++++++++++++
 lwip.spec                           |  6 ++-
 2 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 0068-enable-UDP-CKSUM-in-lwip.patch

diff --git a/0068-enable-UDP-CKSUM-in-lwip.patch b/0068-enable-UDP-CKSUM-in-lwip.patch
new file mode 100644
index 0000000..f426635
--- /dev/null
+++ b/0068-enable-UDP-CKSUM-in-lwip.patch
@@ -0,0 +1,61 @@
+From 809a98b0c138f5369b94a170f3745fe2beacf4b7 Mon Sep 17 00:00:00 2001
+From: enable UDP CKSUM in lwip
+Date: Tue, 27 Jun 2023 11:15:06 +0800
+Subject: [PATCH] enable UDP CKSUM in lwip
+
+---
+ src/include/dpdk_cksum.h   | 1 +
+ src/include/dpdk_version.h | 5 +++--
+ src/include/lwipopts.h     | 6 ++++++
+ 3 files changed, 10 insertions(+), 2 deletions(-)
+
+diff --git a/src/include/dpdk_cksum.h b/src/include/dpdk_cksum.h
+index b48c926..2c5b31e 100644
+--- a/src/include/dpdk_cksum.h
++++ b/src/include/dpdk_cksum.h
+@@ -87,6 +87,7 @@ static inline void tcph_cksum_set(struct pbuf *p, u16_t len) {
+ 
+ static inline void udph_cksum_set(struct pbuf *p, u16_t len) {
+     p->l4_len = len;
++    p->ol_flags |= RTE_MBUF_F_TX_UDP_CKSUM;
+ }
+ 
+ static inline u16_t ip_chksum_pseudo_offload(u8_t proto, u16_t proto_len,
+diff --git a/src/include/dpdk_version.h b/src/include/dpdk_version.h
+index 43b254a..dc7120c 100644
+--- a/src/include/dpdk_version.h
++++ b/src/include/dpdk_version.h
+@@ -42,10 +42,11 @@
+ 
+ #define RTE_MBUF_F_RX_IP_CKSUM_BAD  PKT_RX_IP_CKSUM_BAD
+ #define RTE_MBUF_F_RX_L4_CKSUM_BAD  PKT_RX_L4_CKSUM_BAD
+-#define RTE_MBUF_F_TX_IPV4          PKT_TX_IPV4 
+-#define RTE_MBUF_F_TX_IP_CKSUM      PKT_TX_IP_CKSUM 
++#define RTE_MBUF_F_TX_IPV4          PKT_TX_IPV4
++#define RTE_MBUF_F_TX_IP_CKSUM      PKT_TX_IP_CKSUM
+ #define RTE_MBUF_F_TX_TCP_CKSUM     PKT_TX_TCP_CKSUM
+ #define RTE_MBUF_F_TX_TCP_SEG       PKT_TX_TCP_SEG
++#define RTE_MBUF_F_TX_UDP_CKSUM     PKT_TX_UDP_CKSUM
+ 
+ #endif /* DPDK_VERSION_1911 */
+ 
+diff --git a/src/include/lwipopts.h b/src/include/lwipopts.h
+index f0df0e3..2ba1e4c 100644
+--- a/src/include/lwipopts.h
++++ b/src/include/lwipopts.h
+@@ -180,6 +180,12 @@
+    ---------------------------------
+ */
+ #define LWIP_UDP 1
++
++#define UDP_HLEN 8
++
++#define MEMP_NUM_UDP_PCB 16
++#define MEMP_NUM_IGMP_GROUP 16
++
+ #define DEFAULT_UDP_RECVMBOX_SIZE 4096
+ 
+ 
+-- 
+2.27.0
+
diff --git a/lwip.spec b/lwip.spec
index 783689f..b65f238 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: 72
+Release: 73
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -79,6 +79,7 @@ Patch9063:  0064-fix-udp-send-recv-in-multiple-queue.patch
 Patch9064:  0065-fix-udp-recvmbox-size-not-set.patch
 Patch9065:  0066-adapt-to-dpdk-19.11-and-dpdk-21.11.patch
 Patch9066:  0067-fix-null-pointer-when-all-zero-address-listen.patch
+Patch9067:  0068-enable-UDP-CKSUM-in-lwip.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -109,6 +110,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Wed Jun 21 2023 kircher <majun65@huawei.com> - 2.1.3-73
+- enable udp cksum in lwip
+
 * Thu Jun 15 2023 Lemmy Huang <huangliming5@huawei.com> - 2.1.3-72
 - fix null pointer when zero port listen
 
-- 
Gitee