rhel: Enable ERSPAN features for RHEL 7.x

Enable ERSPAN on RHEL 7.x Signed-off-by: Greg Rose <[email protected]> Signed-off-by: Ben Pfaff <[email protected]> Acked-by: William Tu <[email protected]>
lhh · May 22, 2018 · e1ededf · e1ededf
1 parent c5b38fa
commit e1ededf
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Showing 3 changed files with 26 additions and 14 deletions.
diff --git a/acinclude.m4 b/acinclude.m4
@@ -531,7 +531,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
                         [OVS_GREP_IFELSE([$KSRC/include/net/ip_tunnels.h],
                                          [iptunnel_pull_offloads],
                         [OVS_GREP_IFELSE([$KSRC/include/net/dst_cache.h], [dst_cache],
-                                         [OVS_DEFINE([USE_UPSTREAM_TUNNEL])])])])
+                        [OVS_GREP_IFELSE([$KSRC/include/net/erspan.h], [erspan_md2],
+                                         [OVS_DEFINE([USE_UPSTREAM_TUNNEL])])])])])
 
   OVS_GREP_IFELSE([$KSRC/include/net/dst_cache.h], [dst_cache],
                   [OVS_DEFINE([USE_BUILTIN_DST_CACHE])])
@@ -866,6 +867,18 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/net/ipv4/gre_demux.c],
                   [parse_gre_header],
                   [OVS_DEFINE([HAVE_DEMUX_PARSE_GRE_HEADER])])
+  OVS_GREP_IFELSE([$KSRC/include/uapi/linux/if_tunnel.h],
+                  [IFLA_GRE_ENCAP_DPORT])
+  OVS_GREP_IFELSE([$KSRC/include/uapi/linux/if_tunnel.h],
+                  [IFLA_GRE_COLLECT_METADATA])
+  OVS_GREP_IFELSE([$KSRC/include/uapi/linux/if_tunnel.h],
+                  [IFLA_GRE_IGNORE_DF])
+  OVS_GREP_IFELSE([$KSRC/include/uapi/linux/if_tunnel.h],
+                  [IFLA_GRE_FWMARK])
+  OVS_GREP_IFELSE([$KSRC/include/uapi/linux/if_tunnel.h],
+                  [IFLA_GRE_ERSPAN_INDEX])
+  OVS_GREP_IFELSE([$KSRC/include/uapi/linux/if_tunnel.h],
+                  [IFLA_GRE_ERSPAN_HWID])
 
   if cmp -s datapath/linux/kcompat.h.new \
             datapath/linux/kcompat.h >/dev/null 2>&1; then

diff --git a/datapath/linux/compat/ip6_gre.c b/datapath/linux/compat/ip6_gre.c
@@ -1693,30 +1693,29 @@ static void __net_exit ip6gre_exit_batch_net(struct list_head *net_list)
 }
 
 enum {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,18,0)
+#ifndef HAVE_IFLA_GRE_ENCAP_DPORT
 	IFLA_GRE_ENCAP_TYPE = IFLA_GRE_FLAGS + 1,
 	IFLA_GRE_ENCAP_FLAGS,
 	IFLA_GRE_ENCAP_SPORT,
 	IFLA_GRE_ENCAP_DPORT,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,3,0)
+#ifndef HAVE_IFLA_GRE_COLLECT_METADATA
 	IFLA_GRE_COLLECT_METADATA = IFLA_GRE_ENCAP_DPORT + 1,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,8,0)
+#ifndef HAVE_IFLA_GRE_IGNORE_DF
 	IFLA_GRE_IGNORE_DF = IFLA_GRE_COLLECT_METADATA + 1,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0)
+#ifndef HAVE_IFLA_GRE_FWMARK
 	IFLA_GRE_FWMARK = IFLA_GRE_IGNORE_DF + 1,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0)
+#ifndef HAVE_IFLA_GRE_ERSPAN_INDEX
 	IFLA_GRE_ERSPAN_INDEX = IFLA_GRE_FWMARK + 1,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,16,0)
+#ifndef HAVE_IFLA_GRE_ERSPAN_HWID
 	IFLA_GRE_ERSPAN_VER = IFLA_GRE_ERSPAN_INDEX + 1,
 	IFLA_GRE_ERSPAN_DIR,
 	IFLA_GRE_ERSPAN_HWID,
 #endif
-
 };
 
 #define RPL_IFLA_GRE_MAX (IFLA_GRE_ERSPAN_HWID + 1)

diff --git a/datapath/linux/compat/ip_gre.c b/datapath/linux/compat/ip_gre.c
@@ -814,25 +814,25 @@ static int ipgre_tap_validate(struct nlattr *tb[], struct nlattr *data[])
 }
 
 enum {
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3,18,0)
+#ifndef HAVE_IFLA_GRE_ENCAP_DPORT
 	IFLA_GRE_ENCAP_TYPE = IFLA_GRE_FLAGS + 1,
 	IFLA_GRE_ENCAP_FLAGS,
 	IFLA_GRE_ENCAP_SPORT,
 	IFLA_GRE_ENCAP_DPORT,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,3,0)
+#ifndef HAVE_IFLA_GRE_COLLECT_METADATA
 	IFLA_GRE_COLLECT_METADATA = IFLA_GRE_ENCAP_DPORT + 1,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,8,0)
+#ifndef HAVE_IFLA_GRE_IGNORE_DF
 	IFLA_GRE_IGNORE_DF = IFLA_GRE_COLLECT_METADATA + 1,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,12,0)
+#ifndef HAVE_IFLA_GRE_FWMARK
 	IFLA_GRE_FWMARK = IFLA_GRE_IGNORE_DF + 1,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,15,0)
+#ifndef HAVE_IFLA_GRE_ERSPAN_INDEX
 	IFLA_GRE_ERSPAN_INDEX = IFLA_GRE_FWMARK + 1,
 #endif
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4,16,0)
+#ifndef HAVE_IFLA_GRE_ERSPAN_HWID
 	IFLA_GRE_ERSPAN_VER = IFLA_GRE_ERSPAN_INDEX + 1,
 	IFLA_GRE_ERSPAN_DIR,
 	IFLA_GRE_ERSPAN_HWID,