networking: compilation error on ubuntu 24

[Denys Vlasenko]

Your headers are not new enough for tc applet.
Disable CONFIG_TC, or install newer headers.

On Thu, Jul 11, 2024 at 2:14 PM dalton.c.russell
<dalton.c.russell at protonmail.com> wrote:
>
>
> hey all,
> I'm running into multiple errors while trying to build busybox v1.36.1 on Ubuntu 24.04.
>
> ```
>   CC      networking/tc.o
> networking/tc.c: In function \u2018cbq_print_opt\u2019:
> networking/tc.c:236:27: error: \u2018TCA_CBQ_MAX\u2019 undeclared (first use in this function); did you mean \u2018TCA_CBS_MAX\u2019?
>   236 |         struct rtattr *tb[TCA_CBQ_MAX+1];
>       |                           ^~~~~~~~~~~
>       |                           TCA_CBS_MAX
> networking/tc.c:236:27: note: each undeclared identifier is reported only once for each function it appears in
> networking/tc.c:249:16: error: \u2018TCA_CBQ_RATE\u2019 undeclared (first use in this function); did you mean \u2018TCA_TBF_RATE64\u2019?
>   249 |         if (tb[TCA_CBQ_RATE]) {
>       |                ^~~~~~~~~~~~
>       |                TCA_TBF_RATE64
> networking/tc.c:255:16: error: \u2018TCA_CBQ_LSSOPT\u2019 undeclared (first use in this function)
>   255 |         if (tb[TCA_CBQ_LSSOPT]) {
>       |                ^~~~~~~~~~~~~~
> networking/tc.c:256:61: error: invalid application of \u2018sizeof\u2019 to incomplete type \u2018struct tc_cbq_lssopt\u2019
>   256 |                 if (RTA_PAYLOAD(tb[TCA_CBQ_LSSOPT]) < sizeof(*lss))
>       |                                                             ^
> networking/tc.c:261:16: error: \u2018TCA_CBQ_WRROPT\u2019 undeclared (first use in this function)
>   261 |         if (tb[TCA_CBQ_WRROPT]) {
>       |                ^~~~~~~~~~~~~~
> networking/tc.c:262:61: error: invalid application of \u2018sizeof\u2019 to incomplete type \u2018struct tc_cbq_wrropt\u2019
>   262 |                 if (RTA_PAYLOAD(tb[TCA_CBQ_WRROPT]) < sizeof(*wrr))
>       |                                                             ^
> networking/tc.c:267:16: error: \u2018TCA_CBQ_FOPT\u2019 undeclared (first use in this function)
>   267 |         if (tb[TCA_CBQ_FOPT]) {
>       |                ^~~~~~~~~~~~
> networking/tc.c:268:59: error: invalid application of \u2018sizeof\u2019 to incomplete type \u2018struct tc_cbq_fopt\u2019
>   268 |                 if (RTA_PAYLOAD(tb[TCA_CBQ_FOPT]) < sizeof(*fopt))
>       |                                                           ^
> networking/tc.c:273:16: error: \u2018TCA_CBQ_OVL_STRATEGY\u2019 undeclared (first use in this function)
>   273 |         if (tb[TCA_CBQ_OVL_STRATEGY]) {
>       |                ^~~~~~~~~~~~~~~~~~~~
> networking/tc.c:274:67: error: invalid application of \u2018sizeof\u2019 to incomplete type \u2018struct tc_cbq_ovl\u2019
>   274 |               if (RTA_PAYLOAD(tb[TCA_CBQ_OVL_STRATEGY]) < sizeof(*ovl))
>       |                                                                 ^
>
> networking/tc.c:277:50: error: invalid application of \u2018sizeof\u2019 to incomplete type \u2018struct tc_cbq_ovl\u2019
>   277 |                                 (unsigned) sizeof(*ovl));
>       |                                                  ^
> networking/tc.c:293:23: error: invalid use of undefined type \u2018struct tc_cbq_lssopt\u2019
>   293 |         if (lss && lss->flags) {
>       |                       ^~
> networking/tc.c:296:24: error: invalid use of undefined type \u2018struct tc_cbq_lssopt\u2019
>   296 |                 if (lss->flags&TCF_CBQ_LSS_BOUNDED) {
>       |                        ^~
> networking/tc.c:296:32: error: \u2018TCF_CBQ_LSS_BOUNDED\u2019 undeclared (first use in this function)
>   296 |                 if (lss->flags&TCF_CBQ_LSS_BOUNDED) {
>       |                                ^~~~~~~~~~~~~~~~~~~
> networking/tc.c:300:24: error: invalid use of undefined type \u2018struct tc_cbq_lssopt\u2019
>   300 |                 if (lss->flags&TCF_CBQ_LSS_ISOLATED) {
>       |                        ^~
> networking/tc.c:300:32: error: \u2018TCF_CBQ_LSS_ISOLATED\u2019 undeclared (first use in this function)
>   300 |                 if (lss->flags&TCF_CBQ_LSS_ISOLATED) {
>       |                                ^~~~~~~~~~~~~~~~~~~~
> networking/tc.c:308:24: error: invalid use of undefined type \u2018struct tc_cbq_wrropt\u2019
>   308 |                 if (wrr->priority != TC_CBQ_MAXPRIO)
>       |                        ^~
> networking/tc.c:308:38: error: \u2018TC_CBQ_MAXPRIO\u2019 undeclared (first use in this function)
>   308 |                 if (wrr->priority != TC_CBQ_MAXPRIO)
>       |                                      ^~~~~~~~~~~~~~
> networking/tc.c:309:46: error: invalid use of undefined type \u2018struct tc_cbq_wrropt\u2019
>   309 |                         printf("prio %u", wrr->priority);
>       |                                              ^~
> networking/tc.c:313:43: error: invalid use of undefined type \u2018struct tc_cbq_wrropt\u2019
>   313 |                         printf("/%u ", wrr->cpriority);
>       |                                           ^~
> networking/tc.c:314:32: error: invalid use of undefined type \u2018struct tc_cbq_wrropt\u2019
>   314 |                         if (wrr->weight != 1) {
>       |                                ^~
> networking/tc.c:315:65: error: invalid use of undefined type \u2018struct tc_cbq_wrropt\u2019
>   315 |                              print_rate(buf, sizeof(buf), wrr->weight);
>       |                                                              ^~
>
> networking/tc.c:318:32: error: invalid use of undefined type \u2018struct tc_cbq_wrropt\u2019
>   318 |                         if (wrr->allot)
>       |                                ^~
> networking/tc.c:319:57: error: invalid use of undefined type \u2018struct tc_cbq_wrropt\u2019
>   319 |                                 printf("allot %ub ", wrr->allot);
>       |                                                         ^~
> networking/tc.c:236:24: warning: unused variable \u2018tb\u2019 [-Wunused-variable]
>   236 |         struct rtattr *tb[TCA_CBQ_MAX+1];
>       |                        ^~
> make[1]: *** [scripts/Makefile.build:198: networking/tc.o] Error 1
> make: *** [Makefile:744: networking] Error 2
>
> ```
>
> not really sure what's missing. any help would be appreciated !
>
> Dalton
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