43 lines
1.1 KiB
Diff
43 lines
1.1 KiB
Diff
From 73d78d322ba8bb997d74c92727d1ec8b8640607f Mon Sep 17 00:00:00 2001
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From: kircher <majun65@huawei.com>
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Date: Wed, 21 Jun 2023 16:59:34 +0800
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Subject: [PATCH] enable UDP CKSUM in lwip
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---
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src/include/dpdk_cksum.h | 1 +
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src/include/lwipopts.h | 6 ++++++
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2 files changed, 7 insertions(+)
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diff --git a/src/include/dpdk_cksum.h b/src/include/dpdk_cksum.h
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index b48c926..2c5b31e 100644
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--- a/src/include/dpdk_cksum.h
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+++ b/src/include/dpdk_cksum.h
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@@ -87,6 +87,7 @@ static inline void tcph_cksum_set(struct pbuf *p, u16_t len) {
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static inline void udph_cksum_set(struct pbuf *p, u16_t len) {
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p->l4_len = len;
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+ p->ol_flags |= RTE_MBUF_F_TX_UDP_CKSUM;
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}
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static inline u16_t ip_chksum_pseudo_offload(u8_t proto, u16_t proto_len,
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diff --git a/src/include/lwipopts.h b/src/include/lwipopts.h
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index f0df0e3..2ba1e4c 100644
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--- a/src/include/lwipopts.h
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+++ b/src/include/lwipopts.h
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@@ -180,6 +180,12 @@
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---------------------------------
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*/
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#define LWIP_UDP 1
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+
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+#define UDP_HLEN 8
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+
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+#define MEMP_NUM_UDP_PCB 16
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+#define MEMP_NUM_IGMP_GROUP 16
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+
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#define DEFAULT_UDP_RECVMBOX_SIZE 4096
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--
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2.33.0
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