[dpdk-dev] [Bug 754] quick question about including netinet/ip.h in rte_ethdev.h

[Stephen Hemminger]

On Tue, 13 Jul 2021 10:14:20 +0000
bugzilla at dpdk.org wrote:

> https://bugs.dpdk.org/show_bug.cgi?id=754
> 
>             Bug ID: 754
>            Summary: quick question about including netinet/ip.h in
>                     rte_ethdev.h
>            Product: DPDK
>            Version: 19.11
>           Hardware: All
>                 OS: All
>             Status: UNCONFIRMED
>           Severity: normal
>           Priority: Normal
>          Component: ethdev
>           Assignee: dev at dpdk.org
>           Reporter: jy7805.heo at samsung.com
>   Target Milestone: ---
> 
> Hello all, 
> 
> I'm making some application using DPDK. Once I want to include <linux/ip.h> and
> <rte_ethdev.h> together, below redefinition error is being show. 
> 
> 
> /usr/include/linux/ip.h:86:8: error: redefinition of ‘struct iphdr’
>  struct iphdr {
>         ^~~~~
> In file included from /usr/local/include/rte_ip.h:21:0,
>                  from /usr/local/include/rte_flow.h:24,
>                  from /usr/local/include/rte_eth_ctrl.h:11,
>                  from /usr/local/include/rte_ethdev.h:978,
>                  from
> /home/jy7805.heo/git/srsLTE/lib/include/srslte/dpdk/dpdk_utils.h:18,
>                  from
> /home/jy7805.heo/git/srsLTE/lib/include/srslte/dpdk/dpdk_threads.h:9,
>                  from
> /home/jy7805.heo/git/srsLTE/lib/include/srslte/ph_thread/ph_tx.h:4,
>                  from /home/jy7805.heo/git/srsLTE/lib/src/ph_thread/ph_tx.cc:1:
> 
> I found that rte_ip.h is including netinet/ip.h which is making collision with
> linux/ip.h
> 
> Does anyone who ever seen this kind of error before ? Should I change
> linux/ip.h to netinet/ip.h ? 

What distribution? 
In the general the simple solution is not include linux/ip.h