From: Guy Harris <guy@alum.mit.edu>
Date: Sun, 12 Jun 2011 02:34:26 +0000 (-0700)
Subject: Handle kernels that don't have ETHTOOL_GFLAGS.
X-Git-Tag: libpcap-1.2.1~46
X-Git-Url: https://git.tcpdump.org/libpcap/commitdiff_plain/cd8dcb0ca15fe41956d524a5b995f16e54c0466c

Handle kernels that don't have ETHTOOL_GFLAGS.
---

diff --git a/pcap-linux.c b/pcap-linux.c
index d7950790..fa1d028d 100644
--- a/pcap-linux.c
+++ b/pcap-linux.c
@@ -4763,11 +4763,13 @@ iface_get_offload(pcap_t *handle)
 	if (ret)
 		return 1;	/* generic segmentation offloading on */
 
+#ifdef ETHTOOL_GFLAGS
 	ret = iface_ethtool_ioctl(handle, ETHTOOL_GFLAGS, "ETHTOOL_GFLAGS");
 	if (ret == -1)
 		return -1;
 	if (ret & ETH_FLAG_LRO)
 		return 1;	/* large receive offloading on */
+#endif
 
 #ifdef ETHTOOL_GGRO
 	/*