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* [dpdk-dev] [PATCH] llib/ibrte_net: workaround to avoid macro conflict
@ 2014-09-30  2:49 Jingjing Wu
  2014-09-30  5:07 ` Thomas Monjalon
  2014-09-30 13:09 ` Neil Horman
  0 siblings, 2 replies; 12+ messages in thread
From: Jingjing Wu @ 2014-09-30  2:49 UTC (permalink / raw)
  To: dev

Macros such as IPPROTO_TCP, IPPROTO_UDP are already defined in <netinet/in.h>.
If user's application includes <netinet/in.h> and rte_ip.h at the same time,
there will be conflict error.

This patch uses the way "#ifndef #endif" to avoid the conflict. 

Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---
 lib/librte_net/rte_ip.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/librte_net/rte_ip.h b/lib/librte_net/rte_ip.h
index e3f65c1..2bcb479 100644
--- a/lib/librte_net/rte_ip.h
+++ b/lib/librte_net/rte_ip.h
@@ -116,6 +116,8 @@ struct ipv4_hdr {
 
 #define	IPV4_HDR_OFFSET_UNITS	8
 
+#ifndef _NETINET_IN_H
+#ifndef _NETINET_IN_H_
 /* IPv4 protocols */
 #define IPPROTO_IP         0  /**< dummy for IP */
 #define IPPROTO_HOPOPTS    0  /**< IP6 hop-by-hop options */
@@ -227,6 +229,9 @@ struct ipv4_hdr {
 #define IPPROTO_RAW      255  /**< raw IP packet */
 #define IPPROTO_MAX      256  /**< maximum protocol number */
 
+#endif /*_NETINET_IN_H_*/
+#endif /*_NETINET_IN_H*/
+
 /*
  * IPv4 address types
  */
-- 
1.8.1.4

^ permalink raw reply	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2014-11-27 18:14 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2014-09-30  2:49 [dpdk-dev] [PATCH] llib/ibrte_net: workaround to avoid macro conflict Jingjing Wu
2014-09-30  5:07 ` Thomas Monjalon
2014-10-09  5:17   ` Wu, Jingjing
2014-09-30 13:09 ` Neil Horman
2014-10-09  5:20   ` Wu, Jingjing
2014-10-09  5:37     ` Matthew Hall
2014-10-09 11:29     ` Neil Horman
2014-11-03  7:41       ` Thomas Monjalon
2014-11-17 14:17         ` Neil Horman
2014-11-27 11:48           ` [dpdk-dev] [PATCH] net: fix conflict with libc Thomas Monjalon
2014-11-27 14:03             ` Ivan Boule
2014-11-27 18:13               ` Thomas Monjalon

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