configure: test also tpacket flags e.g. used in TX_RING

Also try compile-testing TPACKET_V2/3 flags that are used in some
particular versions, especially in TX_RING.

Signed-off-by: Daniel Borkmann <dborkman@redhat.com>

1 files changed, 12 insertions, 6 deletions

diff --git a/configure b/configure
index fb2d6ec..2cbeb62 100755
--- a/configure
+++ b/configure
@@ -148,11 +148,12 @@ check_tpacket_v3()
 #include <stdio.h>
 #include <linux/if_packet.h>
 
-struct tpacket3_hdr *hdr;
-
 void main(void)
 {
-	printf("%d\n", hdr->tp_status);
+	struct tpacket3_hdr *hdr;
+	int foo[] = {
+		TP_STATUS_BLK_TMO,
+	};
 }
 EOF
 
@@ -174,11 +175,16 @@ check_tpacket_v2()
 #include <stdio.h>
 #include <linux/if_packet.h>
 
-struct tpacket2_hdr *hdr;
-
 void main(void)
 {
-	printf("%d\n", hdr->tp_status);
+	struct tpacket2_hdr *hdr;
+	int foo[] = {
+		TP_STATUS_AVAILABLE,
+		TP_STATUS_SEND_REQUEST,
+		TP_STATUS_SENDING,
+		TP_STATUS_KERNEL,
+		TP_STATUS_USER,
+	};
 }
 EOF