54 lines
2.1 KiB
Diff
54 lines
2.1 KiB
Diff
From c465aa8bce75770ed296862657118d0ceaf4087b Mon Sep 17 00:00:00 2001
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From: hantwofish <hankangkang5@huawei.com>
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Date: Thu, 9 May 2024 20:06:50 +0800
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Subject: [PATCH] mod checksum of ip_hdr and udp_hdr
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---
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src/core/ipv4/ip4.c | 2 +-
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src/core/ipv4/ip4_frag.c | 1 +
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src/core/udp.c | 3 ++-
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3 files changed, 4 insertions(+), 2 deletions(-)
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diff --git a/src/core/ipv4/ip4.c b/src/core/ipv4/ip4.c
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index 8865766..0bbeefc 100644
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--- a/src/core/ipv4/ip4.c
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+++ b/src/core/ipv4/ip4.c
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@@ -1084,7 +1084,7 @@ ip4_output_if_opt_src(struct pbuf *p, const ip4_addr_t *src, const ip4_addr_t *d
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#if IP_FRAG
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/* don't fragment if interface has mtu set to 0 [loopif] */
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#if GAZELLE_ENABLE
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- if (!(netif_get_txol_flags(netif) & RTE_ETH_TX_OFFLOAD_TCP_TSO)) {
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+ if ((!(netif_get_txol_flags(netif) & RTE_ETH_TX_OFFLOAD_TCP_TSO)) || !(IPH_PROTO(iphdr) == IP_PROTO_TCP)) {
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#endif
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if (netif->mtu && (p->tot_len > netif->mtu)) {
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return ip4_frag(p, netif, dest);
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diff --git a/src/core/ipv4/ip4_frag.c b/src/core/ipv4/ip4_frag.c
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index aa50856..2ba473b 100644
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--- a/src/core/ipv4/ip4_frag.c
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+++ b/src/core/ipv4/ip4_frag.c
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@@ -892,6 +892,7 @@ ip4_frag(struct pbuf *p, struct netif *netif, const ip4_addr_t *dest)
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#if CHECKSUM_GEN_IP_HW
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if (netif_get_txol_flags(netif) & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM) {
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iph_cksum_set(p, IP_HLEN, 1);
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+ iph_cksum_set(rambuf, IP_HLEN, 1);
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} else {
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iph_cksum_set(p, IP_HLEN, 0);
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IPH_CHKSUM_SET(iphdr, inet_chksum(iphdr, IP_HLEN));
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diff --git a/src/core/udp.c b/src/core/udp.c
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index 2c946c7..1fae8b6 100644
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--- a/src/core/udp.c
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+++ b/src/core/udp.c
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@@ -1011,7 +1011,8 @@ udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *d
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#endif /* LWIP_CHECKSUM_ON_COPY */
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{
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#if CHECKSUM_GEN_UDP_HW
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- if (netif_get_txol_flags(netif) & RTE_ETH_TX_OFFLOAD_UDP_CKSUM) {
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+ if ( (netif_get_txol_flags(netif) & RTE_ETH_TX_OFFLOAD_UDP_CKSUM) &&
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+ (netif->mtu) && (p->tot_len <= netif->mtu)) {
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udph_cksum_set(q, UDP_HLEN);
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udpchksum = 0;
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} else {
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--
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2.33.0
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