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>

Author: vbnogueira

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");