kernel: remove esfq qdisc

It has been obsolete for years now

Signed-off-by: Felix Fietkau <nbd@nbd.name>

3 files changed, 3 insertions, 264 deletions

diff --git a/package/kernel/linux/modules/netsupport.mk b/package/kernel/linux/modules/netsupport.mk
index 24f1e27711..2d574751e5 100644
--- a/package/kernel/linux/modules/netsupport.mk
+++ b/package/kernel/linux/modules/netsupport.mk
@@ -727,7 +727,7 @@ $(eval $(call KernelPackage,mppe))
 
 SCHED_MODULES = $(patsubst $(LINUX_DIR)/net/sched/%.ko,%,$(wildcard $(LINUX_DIR)/net/sched/*.ko))
 SCHED_MODULES_CORE = sch_ingress sch_fq_codel sch_hfsc cls_fw cls_route cls_flow cls_tcindex cls_u32 em_u32 act_mirred act_skbedit
-SCHED_MODULES_FILTER = $(SCHED_MODULES_CORE) act_connmark sch_esfq sch_netem
+SCHED_MODULES_FILTER = $(SCHED_MODULES_CORE) act_connmark sch_netem
 SCHED_MODULES_EXTRA = $(filter-out $(SCHED_MODULES_FILTER),$(SCHED_MODULES))
 SCHED_FILES = $(patsubst %,$(LINUX_DIR)/net/sched/%.ko,$(filter $(SCHED_MODULES_CORE),$(SCHED_MODULES)))
 SCHED_FILES_EXTRA = $(patsubst %,$(LINUX_DIR)/net/sched/%.ko,$(SCHED_MODULES_EXTRA))
@@ -772,18 +772,6 @@ define KernelPackage/sched-connmark
 endef
 $(eval $(call KernelPackage,sched-connmark))
 
-define KernelPackage/sched-esfq
-  SUBMENU:=$(NETWORK_SUPPORT_MENU)
-  TITLE:=Traffic shaper ESFQ support
-  DEPENDS:=+kmod-sched-core +kmod-ipt-core +kmod-ipt-conntrack
-  KCONFIG:= \
-	CONFIG_NET_SCH_ESFQ \
-	CONFIG_NET_SCH_ESFQ_NFCT=y
-  FILES:=$(LINUX_DIR)/net/sched/sch_esfq.ko
-  AUTOLOAD:=$(call AutoLoad,72, sch_esfq)
-endef
-$(eval $(call KernelPackage,sched-esfq))
-
 define KernelPackage/sched
   SUBMENU:=$(NETWORK_SUPPORT_MENU)
   TITLE:=Extra traffic schedulers
diff --git a/package/network/utils/iproute2/patches/200-add-tc_esfq.patch b/package/network/utils/iproute2/patches/200-add-tc_esfq.patch
deleted file mode 100644
index 6c148ea651..0000000000
--- a/package/network/utils/iproute2/patches/200-add-tc_esfq.patch
+++ /dev/null
@@ -1,249 +0,0 @@
---- a/tc/Makefile
-+++ b/tc/Makefile
-@@ -13,6 +13,7 @@ SHARED_LIBS ?= y
- TCMODULES :=
- TCMODULES += q_fifo.o
- TCMODULES += q_sfq.o
-+TCMODULES += q_esfq.o
- TCMODULES += q_red.o
- TCMODULES += q_prio.o
- TCMODULES += q_tbf.o
---- a/include/linux/pkt_sched.h
-+++ b/include/linux/pkt_sched.h
-@@ -226,6 +226,33 @@ struct tc_sfq_xstats {
- 	__s32		allot;
- };
- 
-+/* ESFQ section */
-+
-+enum
-+{
-+        /* traditional */
-+	TCA_SFQ_HASH_CLASSIC,
-+	TCA_SFQ_HASH_DST,
-+	TCA_SFQ_HASH_SRC,
-+	TCA_SFQ_HASH_FWMARK,
-+	/* conntrack */
-+	TCA_SFQ_HASH_CTORIGDST,
-+	TCA_SFQ_HASH_CTORIGSRC,
-+	TCA_SFQ_HASH_CTREPLDST,
-+	TCA_SFQ_HASH_CTREPLSRC,
-+	TCA_SFQ_HASH_CTNATCHG,
-+};
-+
-+struct tc_esfq_qopt
-+{
-+	unsigned	quantum;	/* Bytes per round allocated to flow */
-+	int		perturb_period;	/* Period of hash perturbation */
-+	__u32		limit;		/* Maximal packets in queue */
-+	unsigned	divisor;	/* Hash divisor  */
-+	unsigned	flows;		/* Maximal number of flows  */
-+	unsigned	hash_kind;	/* Hash function to use for flow identification */
-+};
-+
- /* RED section */
- 
- enum {
---- /dev/null
-+++ b/tc/q_esfq.c
-@@ -0,0 +1,200 @@
-+/*
-+ * q_esfq.c		ESFQ.
-+ *
-+ *		This program is free software; you can redistribute it and/or
-+ *		modify it under the terms of the GNU General Public License
-+ *		as published by the Free Software Foundation; either version
-+ *		2 of the License, or (at your option) any later version.
-+ *
-+ * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
-+ *
-+ * Changes:	Alexander Atanasov, <alex@ssi.bg>
-+ *		Alexander Clouter, <alex@digriz.org.uk>
-+ *		Corey Hickey, <bugfood-c@fatooh.org>
-+ *
-+ */
-+
-+#include <stdio.h>
-+#include <stdlib.h>
-+#include <unistd.h>
-+#include <syslog.h>
-+#include <fcntl.h>
-+#include <math.h>
-+#include <sys/socket.h>
-+#include <netinet/in.h>
-+#include <arpa/inet.h>
-+#include <string.h>
-+
-+#include "utils.h"
-+#include "tc_util.h"
-+
-+static void explain(void)
-+{
-+	fprintf(stderr, "Usage: ... esfq [ perturb SECS ] [ quantum BYTES ] [ depth FLOWS ]\n\t[ divisor HASHBITS ] [ limit PKTS ] [ hash HASHTYPE]\n");
-+	fprintf(stderr,"Where: \n");
-+	fprintf(stderr,"HASHTYPE := { classic | src | dst | ctorigdst | ctorigsrc | ctrepldst | ctreplsrc | ctnatchg }\n");
-+}
-+
-+#define usage() return(-1)
-+
-+static int esfq_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
-+{
-+	int ok=0;
-+	struct tc_esfq_qopt opt;
-+
-+	memset(&opt, 0, sizeof(opt));
-+
-+	opt.hash_kind= TCA_SFQ_HASH_CLASSIC;
-+
-+	while (argc > 0) {
-+		if (strcmp(*argv, "quantum") == 0) {
-+			NEXT_ARG();
-+			if (get_size(&opt.quantum, *argv)) {
-+				fprintf(stderr, "Illegal \"quantum\"\n");
-+				return -1;
-+			}
-+			ok++;
-+		} else if (strcmp(*argv, "perturb") == 0) {
-+			NEXT_ARG();
-+			if (get_integer(&opt.perturb_period, *argv, 0)) {
-+				fprintf(stderr, "Illegal \"perturb\"\n");
-+				return -1;
-+			}
-+			ok++;
-+		} else if (strcmp(*argv, "depth") == 0) {
-+			NEXT_ARG();
-+			if (get_integer((int *) &opt.flows, *argv, 0)) {
-+				fprintf(stderr, "Illegal \"depth\"\n");
-+				return -1;
-+			}
-+			ok++;
-+		} else if (strcmp(*argv, "divisor") == 0) {
-+			NEXT_ARG();
-+			if (get_integer((int *) &opt.divisor, *argv, 0)) {
-+				fprintf(stderr, "Illegal \"divisor\"\n");
-+				return -1;
-+			}
-+			if(opt.divisor >= 14) {
-+				fprintf(stderr, "Illegal \"divisor\": must be < 14\n");
-+				return -1;
-+			}
-+			opt.divisor=pow(2,opt.divisor);
-+			ok++;
-+		} else if (strcmp(*argv, "limit") == 0) {
-+			NEXT_ARG();
-+			if (get_integer((int *) &opt.limit, *argv, 0)) {
-+				fprintf(stderr, "Illegal \"limit\"\n");
-+				return -1;
-+			}
-+			ok++;
-+		} else if (strcmp(*argv, "hash") == 0) {
-+			NEXT_ARG();
-+			if(strcmp(*argv, "classic") == 0) {
-+				opt.hash_kind= TCA_SFQ_HASH_CLASSIC;
-+			} else
-+			if(strcmp(*argv, "dst") == 0) {
-+				opt.hash_kind= TCA_SFQ_HASH_DST;
-+			} else
-+			if(strcmp(*argv, "src") == 0) {
-+				opt.hash_kind= TCA_SFQ_HASH_SRC;
-+			} else
-+			if(strcmp(*argv, "ctorigsrc") == 0) {
-+				opt.hash_kind= TCA_SFQ_HASH_CTORIGSRC;
-+			} else
-+			if(strcmp(*argv, "ctorigdst") == 0) {
-+				opt.hash_kind= TCA_SFQ_HASH_CTORIGDST;
-+			} else
-+			if(strcmp(*argv, "ctreplsrc") == 0) {
-+				opt.hash_kind= TCA_SFQ_HASH_CTREPLSRC;
-+			} else
-+			if(strcmp(*argv, "ctrepldst") == 0) {
-+				opt.hash_kind= TCA_SFQ_HASH_CTREPLDST;
-+			} else
-+			if(strcmp(*argv, "ctnatchg") == 0) {
-+				opt.hash_kind= TCA_SFQ_HASH_CTNATCHG;
-+			} else {
-+				fprintf(stderr, "Illegal \"hash\"\n");
-+				explain();
-+				return -1;
-+			}
-+			ok++;
-+		} else if (strcmp(*argv, "help") == 0) {
-+			explain();
-+			return -1;
-+		} else {
-+			fprintf(stderr, "What is \"%s\"?\n", *argv);
-+			explain();
-+			return -1;
-+		}
-+		argc--; argv++;
-+	}
-+
-+	if (ok)
-+		addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
-+	return 0;
-+}
-+
-+static int esfq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
-+{
-+	struct tc_esfq_qopt *qopt;
-+	SPRINT_BUF(b1);
-+
-+	if (opt == NULL)
-+		return 0;
-+
-+	if (RTA_PAYLOAD(opt)  < sizeof(*qopt))
-+		return -1;
-+	qopt = RTA_DATA(opt);
-+	fprintf(f, "quantum %s ", sprint_size(qopt->quantum, b1));
-+	if (show_details) {
-+		fprintf(f, "limit %up flows %u/%u ",
-+			qopt->limit, qopt->flows, qopt->divisor);
-+	}
-+	if (qopt->perturb_period)
-+		fprintf(f, "perturb %dsec ", qopt->perturb_period);
-+
-+		fprintf(f,"hash: ");
-+	switch(qopt->hash_kind)
-+	{
-+	case TCA_SFQ_HASH_CLASSIC:
-+		fprintf(f,"classic");
-+		break;
-+	case TCA_SFQ_HASH_DST:
-+		fprintf(f,"dst");
-+		break;
-+	case TCA_SFQ_HASH_SRC:
-+		fprintf(f,"src");
-+		break;
-+	case TCA_SFQ_HASH_CTORIGSRC:
-+		fprintf(f,"ctorigsrc");
-+		break;
-+	case TCA_SFQ_HASH_CTORIGDST:
-+		fprintf(f,"ctorigdst");
-+		break;
-+	case TCA_SFQ_HASH_CTREPLSRC:
-+		fprintf(f,"ctreplsrc");
-+		break;
-+	case TCA_SFQ_HASH_CTREPLDST:
-+		fprintf(f,"ctrepldst");
-+		break;
-+	case TCA_SFQ_HASH_CTNATCHG:
-+		fprintf(f,"ctnatchg");
-+		break;
-+	default:
-+		fprintf(f,"Unknown");
-+	}
-+	return 0;
-+}
-+
-+static int esfq_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats)
-+{
-+	return 0;
-+}
-+
-+
-+struct qdisc_util esfq_qdisc_util = {
-+	.id = "esfq",
-+	.parse_qopt = esfq_parse_opt,
-+	.print_qopt = esfq_print_opt,
-+	.print_xstats = esfq_print_xstats,
-+};
diff --git a/package/network/utils/iproute2/patches/950-add-cake-to-tc.patch b/package/network/utils/iproute2/patches/950-add-cake-to-tc.patch
index cc988a4382..5e5178498a 100644
--- a/package/network/utils/iproute2/patches/950-add-cake-to-tc.patch
+++ b/package/network/utils/iproute2/patches/950-add-cake-to-tc.patch
@@ -1,6 +1,6 @@
 --- a/include/linux/pkt_sched.h
 +++ b/include/linux/pkt_sched.h
-@@ -877,4 +877,56 @@ struct tc_pie_xstats {
+@@ -850,4 +850,56 @@ struct tc_pie_xstats {
  	__u32 maxq;             /* maximum queue size */
  	__u32 ecn_mark;         /* packets marked with ecn*/
  };
@@ -59,7 +59,7 @@
  #endif
 --- a/tc/Makefile
 +++ b/tc/Makefile
-@@ -64,6 +64,7 @@ TCMODULES += q_codel.o
+@@ -63,6 +63,7 @@ TCMODULES += q_codel.o
  TCMODULES += q_fq_codel.o
  TCMODULES += q_fq.o
  TCMODULES += q_pie.o