[PATCH v2] examples/l3fwd: fix compilation when DP debug on

[Stephen Hemminger]

On Fri, 31 Jul 2026 16:37:39 +0300
Andrei-Niculae Petre <p31andrei at gmail.com> wrote:

> Update l3fwd example app to fix compilation when building dpdk with
> RTE_LOG_DP_LEVEL=RTE_LOG_DEBUG in config/rte_config.h .
> Move l3fwd_acl.h include above all #ifdef L3FWDACL_DEBUG checks,
> as previously one ifdef would evaluate to false all the time (as
> header include was added too late).
> 
> Adapt maintainers line from previous examples/l3fwd-acl (removed in
> 6de0ea50e9b9) to examples/l3fwd/l3fwd_acl* after l3fwd-acl app
> unification into l3fwd. In 6de0ea50e9b9, a line with maintainer
> expertise was removed.
> 
> Own testing of the l3fwd example:
> 1. It now compiles with "#define RTE_LOG_DP_LEVEL RTE_LOG_DEBUG" in
>    config/rte_config.h. See Bugzilla ID 1318 comments for full error
>    seen before this patch.
> 2. I ran the l3fwd app with IPv4/IPv6 ACL rules to see the prints (when
>    RTE_LOG_DP_LEVEL RTE_LOG_DEBUG is set) in the application around ACL
>    work as expected. See extract below (I added \ to format to 72chars):
> 
> // dump_acl4_rule extract:
> Packet Src:192.168.1.100 Dst:192.168.1.101 Src port:2048,Dst port:1846 \
> hit ACL 1 - 192.168.1.100/24 0.0.0.0/0 0 : 65535 0 : 65535 0x0/0x0 \
> 0xffffffff-0x1ffffffe-0xf0000001
> 
> // dump_acl6_rule extract:
> Packet Src2001:db8:1::100
> Dst2001:db8:1::101
> Src port:32768,Dst port:21005 hit ACL 0 - \
> 2001:0db8:0001:0000:0000:0000:0000:0000/64 \
> 0000:0000:0000:0000:0000:0000:0000:0000/0 0 : 65535 0 : 65535 \
> 0x0/0x0 0xffffffff-0x1fffffff-0xf0000000
> 
> Bugzilla ID: 1318
> Fixes: 6de0ea50e9b9 ("examples/l3fwd: merge l3fwd-acl example")
> Cc: stable at dpdk.org
> Cc: sean.morrissey at intel.com
> 
> Signed-off-by: Andrei-Niculae Petre <p31andrei at gmail.com>
> ---

> diff --git a/MAINTAINERS b/MAINTAINERS
> index e99a65d197..6b6446a998 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -1756,6 +1756,8 @@ F: lib/acl/
>  F: doc/guides/prog_guide/packet_classif_access_ctrl.rst
>  F: app/test-acl/
>  F: app/test/test_acl.*
> +F: examples/l3fwd/l3fwd_acl*
> +F: doc/guides/sample_app_ug/l3_forward.rst

I don't think all of l3_forward should fall under the ACL maintainer bucket.