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lwip/0070-add-CHECKSUM_UDP-when-not-support-OFFLOAD_UDP_CHECKS.patch
jiangheng c341686f0a adapt lwip-2.2.0 
(cherry picked from commit 63c40c2ad66e5b32d96cecad0b123db28783ae5c)
2024-02-17 14:46:44 +08:00

181 lines
6.9 KiB
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From 4ea38ff354eb4dad54be3c056b884ff7920135da Mon Sep 17 00:00:00 2001
From: kircher <majun65@huawei.com>
Date: Tue, 27 Jun 2023 11:18:58 +0800
Subject: [PATCH] add CHECKSUM_UDP when not support OFFLOAD_UDP_CHECKSUM
---
src/core/tcp_in.c | 2 +-
src/core/udp.c | 26 +++++++++++++++++++++++++-
src/include/dpdk_cksum.h | 16 ++++++++++------
src/include/dpdk_version.h | 1 +
src/include/lwipopts.h | 8 ++++++--
5 files changed, 43 insertions(+), 10 deletions(-)
diff --git a/src/core/tcp_in.c b/src/core/tcp_in.c
index d151a96..c906082 100644
--- a/src/core/tcp_in.c
+++ b/src/core/tcp_in.c
@@ -210,7 +210,7 @@ tcp_input(struct pbuf *p, struct netif *inp)
#if CHECKSUM_CHECK_TCP_HW
u64_t ret;
if (get_eth_params_rx_ol() & DEV_RX_OFFLOAD_TCP_CKSUM) {
- ret = is_cksum_tcpbad(p);
+ ret = is_cksum_bad(p);
} else {
ret = (u64_t)ip_chksum_pseudo(p, IP_PROTO_TCP, p->tot_len,
ip_current_src_addr(), ip_current_dest_addr());
diff --git a/src/core/udp.c b/src/core/udp.c
index 59e157d..06e21aa 100644
--- a/src/core/udp.c
+++ b/src/core/udp.c
@@ -412,9 +412,21 @@ udp_input(struct pbuf *p, struct netif *inp)
#endif /* LWIP_UDPLITE */
{
if (udphdr->chksum != 0) {
+#if CHECKSUM_CHECK_UDP_HW
+ u64_t ret = 0;
+ if (get_eth_params_rx_ol() & DEV_RX_OFFLOAD_UDP_CKSUM) {
+ ret = is_cksum_bad(p);
+ } else {
+ ret = ip_chksum_pseudo(p, IP_PROTO_UDP, p->tot_len,
+ ip_current_src_addr(),
+ ip_current_dest_addr());
+ }
+ if (ret != 0) {
+#else /* CHECKSUM_CHECK_UDP_HW */
if (ip_chksum_pseudo(p, IP_PROTO_UDP, p->tot_len,
ip_current_src_addr(),
ip_current_dest_addr()) != 0) {
+#endif /* CHECKSUM_CHECK_UDP_HW */
goto chkerr;
}
}
@@ -970,8 +982,18 @@ udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *d
} else
#endif /* LWIP_CHECKSUM_ON_COPY */
{
+#if CHECKSUM_GEN_UDP_HW
+ if (get_eth_params_tx_ol() & DEV_TX_OFFLOAD_UDP_CKSUM) {
+ udph_cksum_set(q, UDP_HLEN);
+ udpchksum = ip_chksum_pseudo_offload(IP_PROTO_UDP, q->tot_len, &pcb->local_ip, &pcb->remote_ip);
+ } else {
+ udpchksum = ip_chksum_pseudo(q, IP_PROTO_UDP, q->tot_len,
+ src_ip, dst_ip);
+ }
+#else /* CHECKSUM_GEN_UDP_HW */
udpchksum = ip_chksum_pseudo(q, IP_PROTO_UDP, q->tot_len,
src_ip, dst_ip);
+#endif /* CHECKSUM_GEN_UDP_HW */
}
/* chksum zero must become 0xffff, as zero means 'no checksum' */
@@ -996,7 +1018,9 @@ udp_sendto_if_src_chksum(struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *d
LWIP_DEBUGF(UDP_DEBUG, ("udp_send: ip_output_if (,,,,0x%02"X16_F",)\n", (u16_t)ip_proto));
/* output to IP */
NETIF_SET_HINTS(netif, &(pcb->netif_hints));
- udph_cksum_set(q, UDP_HLEN);
+#if GAZELLE_UDP_ENABLE
+ q->l4_len = UDP_HLEN;
+#endif /* GAZELLE_UDP_ENABLE */
err = ip_output_if_src(q, src_ip, dst_ip, ttl, pcb->tos, ip_proto, netif);
NETIF_RESET_HINTS(netif);
diff --git a/src/include/dpdk_cksum.h b/src/include/dpdk_cksum.h
index 2c5b31e..5b1b6f6 100644
--- a/src/include/dpdk_cksum.h
+++ b/src/include/dpdk_cksum.h
@@ -54,12 +54,12 @@ static inline u64_t is_cksum_ipbad(struct pbuf *p) {
}
#endif /* CHECKSUM_CHECK_IP_HW */
-#if CHECKSUM_CHECK_TCP_HW
-// for tcp_input
-static inline u64_t is_cksum_tcpbad(struct pbuf *p) {
+#if (CHECKSUM_CHECK_TCP_HW || CHECKSUM_CHECK_UDP_HW)
+// for tcp_input and udp_input
+static inline u64_t is_cksum_bad(struct pbuf *p) {
return p->ol_flags & (RTE_MBUF_F_RX_L4_CKSUM_BAD);
}
-#endif /* CHECKSUM_CHECK_TCP_HW */
+#endif /* (CHECKSUM_CHECK_TCP_HW || CHECKSUM_CHECK_UDP_HW) */
#if CHECKSUM_GEN_IP_HW
static inline void ethh_cksum_set(struct pbuf *p, u16_t len) {
@@ -77,18 +77,22 @@ static inline void iph_cksum_set(struct pbuf *p, u16_t len, bool do_ipcksum) {
#endif /* CHECKSUM_GEN_IP_HW */
// replace ip_chksum_pseudo
-#if CHECKSUM_GEN_TCP_HW
+#if (CHECKSUM_GEN_TCP_HW || CHECKSUM_GEN_UDP_HW)
#include <rte_ip.h>
+#if CHECKSUM_GEN_TCP_HW
static inline void tcph_cksum_set(struct pbuf *p, u16_t len) {
p->l4_len = len;
p->ol_flags |= RTE_MBUF_F_TX_TCP_CKSUM;
}
+#endif /* CHECKSUM_GEN_TCP_HW */
+#if CHECKSUM_GEN_UDP_HW
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;
}
+#endif /* CHECKSUM_GEN_UDP_HW */
static inline u16_t ip_chksum_pseudo_offload(u8_t proto, u16_t proto_len,
const ip_addr_t *src, const ip_addr_t *dst)
@@ -109,7 +113,7 @@ static inline u16_t ip_chksum_pseudo_offload(u8_t proto, u16_t proto_len,
return rte_raw_cksum(&psd_hdr, sizeof(psd_hdr));
}
-#endif /* CHECKSUM_GEN_TCP_HW */
+#endif /* (CHECKSUM_GEN_TCP_HW || CHECKSUM_GEN_UDP_HW) */
#endif /* GAZELLE_ENABLE */
#endif /* __DPDK_CKSUM_H__ */
diff --git a/src/include/dpdk_version.h b/src/include/dpdk_version.h
index 43b254a..c90ddb8 100644
--- a/src/include/dpdk_version.h
+++ b/src/include/dpdk_version.h
@@ -46,6 +46,7 @@
#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 f44b541..d2ad30b 100644
--- a/src/include/lwipopts.h
+++ b/src/include/lwipopts.h
@@ -70,18 +70,22 @@
// rx cksum
#define CHECKSUM_CHECK_IP 1 /* master switch */
#define CHECKSUM_CHECK_TCP 1 /* master switch */
+#define CHECKSUM_CHECK_UDP 1 /* master switch */
// tx cksum
#define CHECKSUM_GEN_IP 1 /* master switch */
-#define CHECKSUM_GEN_TCP 1 /* master switch */
+#define CHECKSUM_GEN_TCP 1 /* master switch */
+#define CHECKSUM_GEN_UDP 1 /* master switch */
// rx offload cksum
#define CHECKSUM_CHECK_IP_HW (1 && CHECKSUM_CHECK_IP) /* hardware switch */
#define CHECKSUM_CHECK_TCP_HW (1 && CHECKSUM_CHECK_TCP) /* hardware switch */
+#define CHECKSUM_CHECK_UDP_HW (1 && CHECKSUM_CHECK_UDP) /* hardware switch */
// tx offload cksum
#define CHECKSUM_GEN_IP_HW (1 && CHECKSUM_GEN_IP) /* hardware switch */
#define CHECKSUM_GEN_TCP_HW (1 && CHECKSUM_GEN_TCP) /* hardware switch */
+#define CHECKSUM_GEN_UDP_HW (1 && CHECKSUM_GEN_UDP) /* hardware switch */
-#define CHECKSUM_OFFLOAD_ALL (CHECKSUM_GEN_IP_HW || CHECKSUM_GEN_TCP_HW || CHECKSUM_CHECK_IP_HW || CHECKSUM_CHECK_TCP_HW)
+#define CHECKSUM_OFFLOAD_ALL (CHECKSUM_GEN_IP_HW || CHECKSUM_GEN_TCP_HW || CHECKSUM_CHECK_IP_HW || CHECKSUM_CHECK_TCP_HW || CHECKSUM_CHECK_UDP_HW || CHECKSUM_GEN_UDP_HW)
/*
---------------------------------------
--
2.28.0.windows.1
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