From f7040f01a57618c899de8d1feb30bcc70b0a45b9 Mon Sep 17 00:00:00 2001
From: Neale Ranns <neale@graphiant.com>
Date: Tue, 15 Feb 2022 09:02:27 +0000
Subject: tcp: Do not include the tcp_packet.h file in the ip4_packet.h

Type: refactor

IP4 does not depend on TCP (it's the other way around).
This upside down dependency leads to some nasty circular includes when trying to use ip46_address.h in interface.h

Signed-off-by: Neale Ranns <neale@graphiant.com>
Change-Id: I4a1bd21543b08b9c1cf1e5563da738414734a878
---
 src/vnet/ip/ip4_inlines.h |  1 +
 src/vnet/ip/ip4_packet.h  | 42 ------------------------------------
 src/vnet/ip/ip6_packet.h  | 55 +----------------------------------------------
 3 files changed, 2 insertions(+), 96 deletions(-)

(limited to 'src/vnet/ip')

diff --git a/src/vnet/ip/ip4_inlines.h b/src/vnet/ip/ip4_inlines.h
index 9a6c8c7f8fb..ca7327fbcdc 100644
--- a/src/vnet/ip/ip4_inlines.h
+++ b/src/vnet/ip/ip4_inlines.h
@@ -42,6 +42,7 @@
 
 #include <vnet/ip/ip_flow_hash.h>
 #include <vnet/ip/ip4_packet.h>
+#include <vnet/tcp/tcp_packet.h>
 
 #define IP_DF 0x4000		/* don't fragment */
 
diff --git a/src/vnet/ip/ip4_packet.h b/src/vnet/ip/ip4_packet.h
index 513a7449b54..2673558e19e 100644
--- a/src/vnet/ip/ip4_packet.h
+++ b/src/vnet/ip/ip4_packet.h
@@ -41,7 +41,6 @@
 #define included_ip4_packet_h
 
 #include <vnet/ip/ip_packet.h>	/* for ip_csum_t */
-#include <vnet/tcp/tcp_packet.h>	/* for tcp_header_t */
 #include <vppinfra/byte_order.h>	/* for clib_net_to_host_u16 */
 #include <vppinfra/warnings.h>	/* for WARN_OFF/WARN_ON macro */
 
@@ -476,47 +475,6 @@ ip4_multicast_ethernet_address (u8 * ethernet_address,
   ethernet_address[5] = d[3];
 }
 
-always_inline void
-ip4_tcp_reply_x1 (ip4_header_t * ip0, tcp_header_t * tcp0)
-{
-  u32 src0, dst0;
-
-  src0 = ip0->src_address.data_u32;
-  dst0 = ip0->dst_address.data_u32;
-  ip0->src_address.data_u32 = dst0;
-  ip0->dst_address.data_u32 = src0;
-
-  src0 = tcp0->src;
-  dst0 = tcp0->dst;
-  tcp0->src = dst0;
-  tcp0->dst = src0;
-}
-
-always_inline void
-ip4_tcp_reply_x2 (ip4_header_t * ip0, ip4_header_t * ip1,
-		  tcp_header_t * tcp0, tcp_header_t * tcp1)
-{
-  u32 src0, dst0, src1, dst1;
-
-  src0 = ip0->src_address.data_u32;
-  src1 = ip1->src_address.data_u32;
-  dst0 = ip0->dst_address.data_u32;
-  dst1 = ip1->dst_address.data_u32;
-  ip0->src_address.data_u32 = dst0;
-  ip1->src_address.data_u32 = dst1;
-  ip0->dst_address.data_u32 = src0;
-  ip1->dst_address.data_u32 = src1;
-
-  src0 = tcp0->src;
-  src1 = tcp1->src;
-  dst0 = tcp0->dst;
-  dst1 = tcp1->dst;
-  tcp0->src = dst0;
-  tcp1->src = dst1;
-  tcp0->dst = src0;
-  tcp1->dst = src1;
-}
-
 #endif /* included_ip4_packet_h */
 
 /*
diff --git a/src/vnet/ip/ip6_packet.h b/src/vnet/ip/ip6_packet.h
index fecec7cdf5b..b00eac72c04 100644
--- a/src/vnet/ip/ip6_packet.h
+++ b/src/vnet/ip/ip6_packet.h
@@ -40,7 +40,7 @@
 #ifndef included_ip6_packet_h
 #define included_ip6_packet_h
 
-#include <vnet/tcp/tcp_packet.h>
+#include <vlib/vlib.h>
 #include <vnet/ip/ip4_packet.h>
 #include <stdbool.h>
 
@@ -423,59 +423,6 @@ ip6_copy_header (ip6_header_t * dst, const ip6_header_t * src)
   dst->dst_address.as_uword[1] = src->dst_address.as_uword[1];
 }
 
-always_inline void
-ip6_tcp_reply_x1 (ip6_header_t * ip0, tcp_header_t * tcp0)
-{
-  {
-    ip6_address_t src0, dst0;
-
-    src0 = ip0->src_address;
-    dst0 = ip0->dst_address;
-    ip0->src_address = dst0;
-    ip0->dst_address = src0;
-  }
-
-  {
-    u16 src0, dst0;
-
-    src0 = tcp0->src;
-    dst0 = tcp0->dst;
-    tcp0->src = dst0;
-    tcp0->dst = src0;
-  }
-}
-
-always_inline void
-ip6_tcp_reply_x2 (ip6_header_t * ip0, ip6_header_t * ip1,
-		  tcp_header_t * tcp0, tcp_header_t * tcp1)
-{
-  {
-    ip6_address_t src0, dst0, src1, dst1;
-
-    src0 = ip0->src_address;
-    src1 = ip1->src_address;
-    dst0 = ip0->dst_address;
-    dst1 = ip1->dst_address;
-    ip0->src_address = dst0;
-    ip1->src_address = dst1;
-    ip0->dst_address = src0;
-    ip1->dst_address = src1;
-  }
-
-  {
-    u16 src0, dst0, src1, dst1;
-
-    src0 = tcp0->src;
-    src1 = tcp1->src;
-    dst0 = tcp0->dst;
-    dst1 = tcp1->dst;
-    tcp0->src = dst0;
-    tcp1->src = dst1;
-    tcp0->dst = src0;
-    tcp1->dst = src1;
-  }
-}
-
 typedef CLIB_PACKED (struct {
   u8 data;
 }) ip6_pad1_option_t;
-- 
cgit 1.2.3-korg