net: sched: Fill in missing MODULE_DESCRIPTION for qdiscs

W=1 builds now warn if module is built without a MODULE_DESCRIPTION().

Fill in missing MODULE_DESCRIPTIONs for TC qdiscs.

Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Reviewed-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Link: https://lore.kernel.org/r/20231027155045.46291-4-victor@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

net/sched/sch_cbs.c

@@ -574,3 +574,4 @@ static void __exit cbs_module_exit(void)
 module_init(cbs_module_init)
 module_exit(cbs_module_exit)
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Credit Based shaper");

net/sched/sch_choke.c

@@ -513,3 +513,4 @@ module_init(choke_module_init)
 module_exit(choke_module_exit)
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Choose and keep responsive flows scheduler");

net/sched/sch_drr.c

@@ -495,3 +495,4 @@ static void __exit drr_exit(void)
 module_init(drr_init);
 module_exit(drr_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Deficit Round Robin scheduler");

net/sched/sch_etf.c

@@ -513,3 +513,4 @@ static void __exit etf_module_exit(void)
 module_init(etf_module_init)
 module_exit(etf_module_exit)
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Earliest TxTime First (ETF) qdisc");

net/sched/sch_ets.c

@@ -826,3 +826,4 @@ static void __exit ets_exit(void)
 module_init(ets_init);
 module_exit(ets_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Enhanced Transmission Selection(ETS) scheduler");

net/sched/sch_fifo.c

@@ -269,3 +269,4 @@ struct Qdisc *fifo_create_dflt(struct Qdisc *sch, struct Qdisc_ops *ops,
 	return q ? : ERR_PTR(err);
 }
 EXPORT_SYMBOL(fifo_create_dflt);
+MODULE_DESCRIPTION("Single queue packet and byte based First In First Out(P/BFIFO) scheduler");

net/sched/sch_gred.c

@@ -945,3 +945,4 @@ module_init(gred_module_init)
 module_exit(gred_module_exit)
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Generic Random Early Detection qdisc");

net/sched/sch_hfsc.c

@@ -1693,5 +1693,6 @@ hfsc_cleanup(void)
 }
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Hierarchical Fair Service Curve scheduler");
 module_init(hfsc_init);
 module_exit(hfsc_cleanup);

net/sched/sch_htb.c

@@ -2179,3 +2179,4 @@ static void __exit htb_module_exit(void)
 module_init(htb_module_init)
 module_exit(htb_module_exit)
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Hierarchical Token Bucket scheduler");

net/sched/sch_ingress.c

@@ -370,3 +370,4 @@ module_exit(ingress_module_exit);
 
 MODULE_ALIAS("sch_clsact");
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Ingress and clsact based ingress and egress qdiscs");

net/sched/sch_mqprio.c

@@ -789,3 +789,4 @@ module_init(mqprio_module_init);
 module_exit(mqprio_module_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Classful multiqueue prio qdisc");

net/sched/sch_mqprio_lib.c

@@ -129,3 +129,4 @@ void mqprio_fp_to_offload(u32 fp[TC_QOPT_MAX_QUEUE],
 EXPORT_SYMBOL_GPL(mqprio_fp_to_offload);
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Shared mqprio qdisc code currently between taprio and mqprio");

net/sched/sch_multiq.c

@@ -410,3 +410,4 @@ module_init(multiq_module_init)
 module_exit(multiq_module_exit)
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Multi queue to hardware queue mapping qdisc");

net/sched/sch_netem.c

@@ -1307,3 +1307,4 @@ static void __exit netem_module_exit(void)
 module_init(netem_module_init)
 module_exit(netem_module_exit)
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Network characteristics emulator qdisc");

net/sched/sch_plug.c

@@ -226,3 +226,4 @@ static void __exit plug_module_exit(void)
 module_init(plug_module_init)
 module_exit(plug_module_exit)
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Qdisc to plug and unplug traffic via netlink control");

net/sched/sch_prio.c

@@ -433,3 +433,4 @@ module_init(prio_module_init)
 module_exit(prio_module_exit)
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Simple 3-band priority qdisc");

net/sched/sch_qfq.c

@@ -1535,3 +1535,4 @@ static void __exit qfq_exit(void)
 module_init(qfq_init);
 module_exit(qfq_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Quick Fair Queueing Plus qdisc");

net/sched/sch_red.c

@@ -563,3 +563,4 @@ module_init(red_module_init)
 module_exit(red_module_exit)
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Random Early Detection qdisc");

net/sched/sch_sfq.c

@@ -937,3 +937,4 @@ static void __exit sfq_module_exit(void)
 module_init(sfq_module_init)
 module_exit(sfq_module_exit)
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Stochastic Fairness qdisc");

net/sched/sch_skbprio.c

@@ -307,3 +307,4 @@ module_init(skbprio_module_init)
 module_exit(skbprio_module_exit)
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("SKB priority based scheduling qdisc");

net/sched/sch_taprio.c

@@ -2572,3 +2572,4 @@ static void __exit taprio_module_exit(void)
 module_init(taprio_module_init);
 module_exit(taprio_module_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Time Aware Priority qdisc");

net/sched/sch_tbf.c

@@ -621,3 +621,4 @@ static void __exit tbf_module_exit(void)
 module_init(tbf_module_init)
 module_exit(tbf_module_exit)
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Token Bucket Filter qdisc");

net/sched/sch_teql.c

@@ -523,3 +523,4 @@ module_init(teql_init);
 module_exit(teql_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("True (or trivial) link equalizer qdisc");