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lwip/0080-enable-ipv6.patch
jiangheng 63c40c2ad6 adapt lwip-2.2.0
2024-02-06 10:46:30 +08:00

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From 5d9613fe21e2e02863517dbd9d5db539336351b9 Mon Sep 17 00:00:00 2001
From: zhengjiebing <zhengjiebing_yewu@cmss.chinamobile.com>
Date: Fri, 17 Nov 2023 20:37:56 +0800
Subject: [PATCH] enable ipv6
---
src/api/sockets.c | 12 +++++++++++-
src/core/dir.mk | 4 +++-
src/core/init.c | 2 ++
src/core/ipv6/ip6.c | 18 ++++++++++++++++--
src/core/ipv6/ip6_frag.c | 4 ++++
src/core/tcp.c | 2 +-
src/core/tcp_in.c | 4 ++--
src/core/tcp_out.c | 2 ++
src/core/udp.c | 2 +-
src/include/dpdk_cksum.h | 12 ++++++------
src/include/dpdk_version.h | 1 +
src/include/lwip/priv/tcp_priv.h | 27 ++++++++++++++++++++-------
src/include/lwip/sockets.h | 2 ++
src/include/lwip/tcp.h | 21 ++++++++++++++++++++-
src/include/lwipopts.h | 11 ++++++++++-
src/include/reg_sock.h | 7 ++++++-
16 files changed, 107 insertions(+), 24 deletions(-)
diff --git a/src/api/sockets.c b/src/api/sockets.c
index c4be6a8..6a9946a 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -158,6 +158,14 @@
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
+#if GAZELLE_ENABLE
+#define IP6ADDR_PORT_TO_SOCKADDR(sin6, ipaddr, port) do { \
+ (sin6)->sin6_family = AF_INET6; \
+ (sin6)->sin6_port = lwip_htons((port)); \
+ (sin6)->sin6_flowinfo = 0; \
+ inet6_addr_from_ip6addr(&(sin6)->sin6_addr, ipaddr); \
+ (sin6)->sin6_scope_id = ip6_addr_zone(ipaddr); }while(0)
+#else
#define IP6ADDR_PORT_TO_SOCKADDR(sin6, ipaddr, port) do { \
IP6ADDR_SOCKADDR_SET_LEN(sin6); \
(sin6)->sin6_family = AF_INET6; \
@@ -165,6 +173,7 @@
(sin6)->sin6_flowinfo = 0; \
inet6_addr_from_ip6addr(&(sin6)->sin6_addr, ipaddr); \
(sin6)->sin6_scope_id = ip6_addr_zone(ipaddr); }while(0)
+#endif /* GAZELLE_ENABLE */
#define SOCKADDR6_TO_IP6ADDR_PORT(sin6, ipaddr, port) do { \
inet6_addr_to_ip6addr(ip_2_ip6(ipaddr), &((sin6)->sin6_addr)); \
if (ip6_addr_has_scope(ip_2_ip6(ipaddr), IP6_UNKNOWN)) { \
@@ -595,7 +604,8 @@ alloc_socket(struct netconn *newconn, int accepted, int flags)
LWIP_UNUSED_ARG(accepted);
#if GAZELLE_ENABLE
- int type, protocol = 0, domain = AF_INET;
+ int type, protocol = 0;
+ int domain = NETCONNTYPE_ISIPV6(newconn->type) ? AF_INET6 : AF_INET;
switch (NETCONNTYPE_GROUP(newconn->type)) {
case NETCONN_RAW:
type = SOCK_RAW;
diff --git a/src/core/dir.mk b/src/core/dir.mk
index 57a9670..69b43d1 100644
--- a/src/core/dir.mk
+++ b/src/core/dir.mk
@@ -1,6 +1,8 @@
SRC = def.c inet_chksum.c init.c ip.c mem.c memp.c netif.c pbuf.c \
raw.c tcp.c tcp_in.c tcp_out.c timeouts.c udp.c stats.c\
ipv4/icmp.c ipv4/ip4_addr.c ipv4/ip4_frag.c ipv4/etharp.c \
- ipv4/ip4.c ipv4/igmp.c
+ ipv4/ip4.c ipv4/igmp.c ipv6/icmp6.c ipv6/ip6_addr.c ipv6/ip6_frag.c \
+ ipv6/ethip6.c ipv6/ip6.c ipv6/dhcp6.c ipv6/inet6.c \
+ ipv6/mld6.c ipv6/nd6.c
$(eval $(call register_dir, core, $(SRC)))
diff --git a/src/core/init.c b/src/core/init.c
index 5b60ed8..36d7093 100644
--- a/src/core/init.c
+++ b/src/core/init.c
@@ -353,7 +353,9 @@ lwip_init(void)
mem_init();
memp_init();
pbuf_init();
+#if !GAZELLE_ENABLE
netif_init();
+#endif /* GAZELLE_ENABLE */
#if LWIP_IPV4
ip_init();
#if LWIP_ARP
diff --git a/src/core/ipv6/ip6.c b/src/core/ipv6/ip6.c
index fad4f40..09b2f80 100644
--- a/src/core/ipv6/ip6.c
+++ b/src/core/ipv6/ip6.c
@@ -60,6 +60,10 @@
#include "lwip/debug.h"
#include "lwip/stats.h"
+#if GAZELLE_ENABLE && (CHECKSUM_CHECK_IP_HW || CHECKSUM_GEN_IP_HW)
+#include "dpdk_cksum.h"
+#endif
+
#ifdef LWIP_HOOK_FILENAME
#include LWIP_HOOK_FILENAME
#endif
@@ -1232,6 +1236,10 @@ ip6_output_if_src(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
/* src cannot be NULL here */
ip6_addr_copy_to_packed(ip6hdr->src, *src);
+#if CHECKSUM_GEN_IP_HW
+ iph_cksum_set(p, IP6_HLEN, 0);
+#endif /* CHECKSUM_GEN_IP_HW */
+
} else {
/* IP header already included in p */
ip6hdr = (struct ip6_hdr *)p->payload;
@@ -1270,9 +1278,15 @@ ip6_output_if_src(struct pbuf *p, const ip6_addr_t *src, const ip6_addr_t *dest,
#endif /* ENABLE_LOOPBACK */
#if LWIP_IPV6_FRAG
/* don't fragment if interface has mtu set to 0 [loopif] */
- if (netif_mtu6(netif) && (p->tot_len > nd6_get_destination_mtu(dest, netif))) {
- return ip6_frag(p, netif, dest);
+#if GAZELLE_ENABLE
+ if (!(netif_get_txol_flags(netif) & DEV_TX_OFFLOAD_TCP_TSO)) {
+#endif
+ if (netif_mtu6(netif) && (p->tot_len > nd6_get_destination_mtu(dest, netif))) {
+ return ip6_frag(p, netif, dest);
+ }
+#if GAZELLE_ENABLE
}
+#endif
#endif /* LWIP_IPV6_FRAG */
LWIP_DEBUGF(IP6_DEBUG, ("netif->output_ip6()\n"));
diff --git a/src/core/ipv6/ip6_frag.c b/src/core/ipv6/ip6_frag.c
index 16bcf95..5ff6724 100644
--- a/src/core/ipv6/ip6_frag.c
+++ b/src/core/ipv6/ip6_frag.c
@@ -689,6 +689,7 @@ ip6_frag_free_pbuf_custom_ref(struct pbuf_custom_ref* p)
memp_free(MEMP_FRAG_PBUF, p);
}
+#if !GAZELLE_ENABLE
/** Free-callback function to free a 'struct pbuf_custom_ref', called by
* pbuf_free. */
static void
@@ -702,6 +703,7 @@ ip6_frag_free_pbuf_custom(struct pbuf *p)
}
ip6_frag_free_pbuf_custom_ref(pcr);
}
+#endif /* !GAZELLE_ENABLE */
#endif /* !LWIP_NETIF_TX_SINGLE_PBUF */
/**
@@ -816,7 +818,9 @@ ip6_frag(struct pbuf *p, struct netif *netif, const ip6_addr_t *dest)
}
pbuf_ref(p);
pcr->original = p;
+#if !GAZELLE_ENABLE
pcr->pc.custom_free_function = ip6_frag_free_pbuf_custom;
+#endif /* !GAZELLE_ENABLE */
/* Add it to end of rambuf's chain, but using pbuf_cat, not pbuf_chain
* so that it is removed when pbuf_dechain is later called on rambuf.
diff --git a/src/core/tcp.c b/src/core/tcp.c
index 34e99df..1d02574 100644
--- a/src/core/tcp.c
+++ b/src/core/tcp.c
@@ -1155,7 +1155,7 @@ tcp_new_port(void)
if (__atomic_load_n(&port_state[tcp_port - TCP_LOCAL_PORT_RANGE_START], __ATOMIC_ACQUIRE) == 0) {
#if GAZELLE_ENABLE
- if (port_in_stack_queue(pcb->remote_ip.addr, pcb->local_ip.addr, pcb->remote_port, tcp_port)) {
+ if (port_in_stack_queue(pcb->remote_ip, pcb->local_ip, pcb->remote_port, tcp_port)) {
tmp_port = tcp_port;
__atomic_store_n(&port_state[tcp_port - TCP_LOCAL_PORT_RANGE_START], 1, __ATOMIC_RELEASE);
break;
diff --git a/src/core/tcp_in.c b/src/core/tcp_in.c
index dcfb2b5..9b1ec9c 100644
--- a/src/core/tcp_in.c
+++ b/src/core/tcp_in.c
@@ -309,8 +309,8 @@ tcp_input(struct pbuf *p, struct netif *inp)
prev = NULL;
#if GAZELLE_TCP_PCB_HASH
- idx = TUPLE4_HASH_FN( ip_current_dest_addr()->addr, tcphdr->dest,
- ip_current_src_addr()->addr, tcphdr->src) &
+ idx = TUPLE4_HASH_FN( ip_current_dest_addr(), tcphdr->dest,
+ ip_current_src_addr(), tcphdr->src) &
(tcp_active_htable->size - 1);
head = &tcp_active_htable->array[idx].chain;
tcppcb_hlist_for_each(pcb, node, head) {
diff --git a/src/core/tcp_out.c b/src/core/tcp_out.c
index 4e7aac0..a2d72b3 100644
--- a/src/core/tcp_out.c
+++ b/src/core/tcp_out.c
@@ -142,7 +142,9 @@ static err_t tcp_output_control_segment_netif(const struct tcp_pcb *pcb, struct
static struct netif *
tcp_route(const struct tcp_pcb *pcb, const ip_addr_t *src, const ip_addr_t *dst)
{
+#if LWIP_IPV6
LWIP_UNUSED_ARG(src); /* in case IPv4-only and source-based routing is disabled */
+#endif /* LWIP_IPV6 */
if ((pcb != NULL) && (pcb->netif_idx != NETIF_NO_INDEX)) {
return netif_get_by_index(pcb->netif_idx);
diff --git a/src/core/udp.c b/src/core/udp.c
index f38619b..02ffe36 100644
--- a/src/core/udp.c
+++ b/src/core/udp.c
@@ -132,7 +132,7 @@ udp_new_port(struct udp_pcb *dst_pcb)
}
if (__atomic_load_n(&port_state[udp_port - UDP_LOCAL_PORT_RANGE_START], __ATOMIC_ACQUIRE) == 0) {
- if (port_in_stack_queue(dst_pcb->remote_ip.addr, dst_pcb->local_ip.addr, dst_pcb->remote_port, udp_port)) {
+ if (port_in_stack_queue(dst_pcb->remote_ip, dst_pcb->local_ip, dst_pcb->remote_port, udp_port)) {
tmp_port = udp_port;
__atomic_store_n(&port_state[udp_port - UDP_LOCAL_PORT_RANGE_START], 1, __ATOMIC_RELEASE);
break;
diff --git a/src/include/dpdk_cksum.h b/src/include/dpdk_cksum.h
index b8056f9..38cfb96 100644
--- a/src/include/dpdk_cksum.h
+++ b/src/include/dpdk_cksum.h
@@ -66,7 +66,7 @@ static inline void ethh_cksum_set(struct pbuf *p, u16_t len) {
// replaces IPH_CHKSUM_SET
static inline void iph_cksum_set(struct pbuf *p, u16_t len, bool do_ipcksum) {
- p->ol_flags |= RTE_MBUF_F_TX_IPV4;
+ p->ol_flags |= ((len == IP_HLEN) ? RTE_MBUF_F_TX_IPV4 : RTE_MBUF_F_TX_IPV6);
if (do_ipcksum) {
p->ol_flags |= RTE_MBUF_F_TX_IP_CKSUM;
}
@@ -95,16 +95,16 @@ static inline void udph_cksum_set(struct pbuf *p, u16_t len) {
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)
{
- struct ipv4_psd_header {
- uint32_t src_addr; /* IP address of source host. */
- uint32_t dst_addr; /* IP address of destination host. */
+ struct ip_psd_header {
+ ip_addr_t src_addr; /* IP address of source host. */
+ ip_addr_t dst_addr; /* IP address of destination host. */
uint8_t zero; /* zero. */
uint8_t proto; /* L4 protocol type. */
uint16_t len; /* L4 length. */
} psd_hdr;
- psd_hdr.src_addr = ip4_addr_get_u32(src);
- psd_hdr.dst_addr = ip4_addr_get_u32(dst);
+ ip_addr_copy(psd_hdr.src_addr, *src);
+ ip_addr_copy(psd_hdr.dst_addr, *dst);
psd_hdr.proto = proto;
psd_hdr.len = lwip_htons(proto_len);
psd_hdr.zero = 0;
diff --git a/src/include/dpdk_version.h b/src/include/dpdk_version.h
index c90ddb8..e61d0b3 100644
--- a/src/include/dpdk_version.h
+++ b/src/include/dpdk_version.h
@@ -43,6 +43,7 @@
#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_IPV6 PKT_TX_IPV6
#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
diff --git a/src/include/lwip/priv/tcp_priv.h b/src/include/lwip/priv/tcp_priv.h
index 537683f..75c67ee 100644
--- a/src/include/lwip/priv/tcp_priv.h
+++ b/src/include/lwip/priv/tcp_priv.h
@@ -347,11 +347,24 @@ static inline int vdev_reg_done(enum reg_ring_type reg_type, const struct tcp_pc
LWIP_ASSERT("Invalid parameter", pcb != NULL);
struct gazelle_quintuple qtuple;
- qtuple.protocol = 0;
- qtuple.src_ip = pcb->local_ip.addr;
- qtuple.src_port = lwip_htons(pcb->local_port);
- qtuple.dst_ip = pcb->remote_ip.addr;
- qtuple.dst_port = lwip_htons(pcb->remote_port);
+ if (IP_IS_V4_VAL(pcb->local_ip)) {
+ qtuple.protocol = 0;
+ qtuple.src_ip = ip_2_ip4(&pcb->local_ip)->addr;
+ qtuple.src_port = lwip_htons(pcb->local_port);
+ qtuple.dst_ip = ip_2_ip4(&pcb->remote_ip)->addr;
+ qtuple.dst_port = lwip_htons(pcb->remote_port);
+ } else {
+#if LWIP_IPV6
+ qtuple.protocol = 1;
+ qtuple.src_port = lwip_htons(pcb->local_port);
+ qtuple.dst_port = lwip_htons(pcb->remote_port);
+
+ for (int i = 0; i < 4; i++) {
+ qtuple.src_ip6[i] = pcb->local_ip.u_addr.ip6.addr[i];
+ qtuple.dst_ip6[i] = pcb->remote_ip.u_addr.ip6.addr[i];
+ }
+#endif
+ }
#if GAZELLE_TCP_REUSE_IPPORT
if (reg_type == REG_RING_TCP_CONNECT_CLOSE) {
@@ -474,8 +487,8 @@ static inline void vdev_unreg_done(const struct tcp_pcb *pcb)
u32_t idx; \
struct hlist_head *hd; \
struct tcp_hash_table *htb = pcbs; \
- idx = TUPLE4_HASH_FN((npcb)->local_ip.addr, (npcb)->local_port, \
- (npcb)->remote_ip.addr, (npcb)->remote_port) & \
+ idx = TUPLE4_HASH_FN(&((npcb)->local_ip), (npcb)->local_port, \
+ &((npcb)->remote_ip), (npcb)->remote_port) & \
(htb->size - 1); \
hd = &htb->array[idx].chain; \
hlist_add_head(&(npcb)->tcp_node, hd); \
diff --git a/src/include/lwip/sockets.h b/src/include/lwip/sockets.h
index a50c691..89b6eb5 100644
--- a/src/include/lwip/sockets.h
+++ b/src/include/lwip/sockets.h
@@ -95,7 +95,9 @@ struct sockaddr_in {
#if LWIP_IPV6
struct sockaddr_in6 {
+#if !GAZELLE_ENABLE
u8_t sin6_len; /* length of this structure */
+#endif /* GAZELLE_ENABLE */
sa_family_t sin6_family; /* AF_INET6 */
in_port_t sin6_port; /* Transport layer port # */
u32_t sin6_flowinfo; /* IPv6 flow information */
diff --git a/src/include/lwip/tcp.h b/src/include/lwip/tcp.h
index 460df21..bde17ec 100644
--- a/src/include/lwip/tcp.h
+++ b/src/include/lwip/tcp.h
@@ -475,7 +475,26 @@ static inline unsigned int jhash_3words(unsigned int a, unsigned int b, unsigned
return c;
}
-#define TUPLE4_HASH_FN(laddr, lport, faddr, fport) jhash_3words(laddr, faddr,lport|(fport<<16))
+static inline unsigned int jhash_3words6(unsigned int *a, unsigned int *b, unsigned int c)
+{
+ for (int i = 0; i < 4; i++) {
+ unsigned int e = *((unsigned int *)a + i) + JHASH_INITVAL;
+ unsigned int f = *((unsigned int *)b + i) + JHASH_INITVAL;
+
+ __jhash_final(e, f, c);
+ }
+
+ return c;
+}
+
+#if LWIP_IPV4 && LWIP_IPV6
+#define TUPLE4_HASH_FN(laddr, lport, faddr, fport) \
+ (IP_IS_V4(laddr) ? jhash_3words(ip_2_ip4(laddr)->addr, ip_2_ip4(faddr)->addr, lport|(fport<<16)) \
+ : jhash_3words6(ip_2_ip6(laddr)->addr, ip_2_ip6(faddr)->addr, lport|(fport<<16)))
+#elif LWIP_IPV4
+#define TUPLE4_HASH_FN(laddr, lport, faddr, fport) \
+ jhash_3words(ip_2_ip4(laddr)->addr, ip_2_ip4(faddr)->addr, lport|(fport<<16))
+#endif
#define tcppcb_hlist_for_each(tcppcb, node, list) \
hlist_for_each_entry(tcppcb, node, list, tcp_node)
diff --git a/src/include/lwipopts.h b/src/include/lwipopts.h
index 985e13e..0c87c44 100644
--- a/src/include/lwipopts.h
+++ b/src/include/lwipopts.h
@@ -172,6 +172,14 @@
#define IP_HLEN 20
+/*
+ -------------------------------------
+ ----------- IPv6 options -----------
+ -------------------------------------
+*/
+#define LWIP_IPV6 1
+#define IP6_HLEN 40
+
/*
---------------------------------
---------- UDP options ----------
@@ -204,7 +212,7 @@
#define TCP_OVERSIZE TCP_MSS
#define LWIP_NETIF_TX_SINGLE_PBUF 1
-#define TCP_MSS (FRAME_MTU - IP_HLEN - TCP_HLEN)
+#define TCP_MSS (FRAME_MTU - IP6_HLEN - TCP_HLEN - VLAN_LEN)
#define TCP_WND (2500 * TCP_MSS)
@@ -255,5 +263,6 @@
#define ETHARP_SUPPORT_VLAN 1
#define LWIP_VLAN_PCP 1
+#define VLAN_LEN 4
#endif /* __LWIPOPTS_H__ */
diff --git a/src/include/reg_sock.h b/src/include/reg_sock.h
index 5d5710d..5a5e971 100644
--- a/src/include/reg_sock.h
+++ b/src/include/reg_sock.h
@@ -34,6 +34,7 @@
#define __REG_SOCK_H__
#include <stdbool.h>
+#include "lwip/ip_addr.h"
enum reg_ring_type {
REG_RING_TCP_LISTEN = 0,
@@ -50,6 +51,10 @@ struct gazelle_quintuple {
uint16_t dst_port;
uint32_t src_ip;
uint32_t dst_ip;
+#if LWIP_IPV6
+ uint32_t src_ip6[4];
+ uint32_t dst_ip6[4];
+#endif
};
struct reg_ring_msg {
@@ -60,6 +65,6 @@ struct reg_ring_msg {
};
extern int vdev_reg_xmit(enum reg_ring_type type, struct gazelle_quintuple *qtuple);
-extern bool port_in_stack_queue(uint32_t src_ip, uint32_t dst_ip, uint16_t src_port, uint16_t dst_port);
+extern bool port_in_stack_queue(ip_addr_t src_ip, ip_addr_t dst_ip, uint16_t src_port, uint16_t dst_port);
#endif /* __REG_SOCK_H__ */
--
2.27.0
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