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authorKevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>2016-09-21 09:45:33 +0100
committerJohn Crispin <john@phrozen.org>2016-10-04 11:50:48 +0200
commit4ef1144958eefbfe8e74f571b3e8188a174e6a24 (patch)
tree5974012f959518fd1f4ecd5f07ccc5b8a45a8d37 /package
parentde8e032385a1cb4d8aa7ff1a72af9c2a2c6a1391 (diff)
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iproute2: tc cake qdisc add nat, docsis & ptm modes
Add cake nat de-masquerading mode: nat, nonat. Also docsis & ptm overhead related keywords: nat, nonat, ptm, docsis-downstream-ip, docsis-downstream, docsis-upstream-ip & docsis-upstream. Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
Diffstat (limited to 'package')
-rw-r--r--package/network/utils/iproute2/Makefile2
-rw-r--r--package/network/utils/iproute2/patches/950-add-cake-to-tc.patch68
2 files changed, 57 insertions, 13 deletions
diff --git a/package/network/utils/iproute2/Makefile b/package/network/utils/iproute2/Makefile
index 4b17e19fb1..9575ff1056 100644
--- a/package/network/utils/iproute2/Makefile
+++ b/package/network/utils/iproute2/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=iproute2
PKG_VERSION:=4.4.0
-PKG_RELEASE:=3
+PKG_RELEASE:=4
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
PKG_SOURCE_URL:=@KERNEL/linux/utils/net/iproute2
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 5e5178498a..ffb3e63e13 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
-@@ -850,4 +850,56 @@ struct tc_pie_xstats {
+@@ -850,4 +850,57 @@ struct tc_pie_xstats {
__u32 maxq; /* maximum queue size */
__u32 ecn_mark; /* packets marked with ecn*/
};
@@ -17,6 +17,7 @@
+ TCA_CAKE_TARGET,
+ TCA_CAKE_AUTORATE,
+ TCA_CAKE_MEMORY,
++ TCA_CAKE_NAT,
+ __TCA_CAKE_MAX
+};
+#define TCA_CAKE_MAX (__TCA_CAKE_MAX - 1)
@@ -69,7 +70,7 @@
--- /dev/null
+++ b/tc/q_cake.c
-@@ -0,0 +1,600 @@
+@@ -0,0 +1,643 @@
+/*
+ * Common Applications Kept Enhanced -- CAKE
+ *
@@ -126,8 +127,8 @@
+ fprintf(stderr, "Usage: ... cake [ bandwidth RATE | unlimited* | autorate_ingress ]\n"
+ " [ rtt TIME | datacentre | lan | metro | regional | internet* | oceanic | satellite | interplanetary ]\n"
+ " [ besteffort | precedence | diffserv8 | diffserv4* ]\n"
-+ " [ flowblind | srchost | dsthost | hosts | flows* | dual-srchost | dual-dsthost | triple-isolate ]\n"
-+ " [ atm | noatm* ] [ overhead N | conservative | raw* ]\n"
++ " [ flowblind | srchost | dsthost | hosts | flows* | dual-srchost | dual-dsthost | triple-isolate ] [ nat | nonat* ]\n"
++ " [ ptm | atm | noatm* ] [ overhead N | conservative | raw* ]\n"
+ " [ memlimit LIMIT ]\n"
+ " (* marks defaults)\n");
+}
@@ -144,6 +145,7 @@
+ int overhead = 0;
+ bool overhead_set = false;
+ int flowmode = -1;
++ int nat = -1;
+ int atm = -1;
+ int autorate = -1;
+ struct rtattr *tail;
@@ -228,6 +230,13 @@
+ } else if (strcmp(*argv, "triple-isolate") == 0) {
+ flowmode = 7;
+
++ } else if (strcmp(*argv, "nat") == 0) {
++ nat = 1;
++ } else if (strcmp(*argv, "nonat") == 0) {
++ nat = 0;
++
++ } else if (strcmp(*argv, "ptm") == 0) {
++ atm = 2;
+ } else if (strcmp(*argv, "atm") == 0) {
+ atm = 1;
+ } else if (strcmp(*argv, "noatm") == 0) {
@@ -247,7 +256,29 @@
+ overhead = 48;
+ overhead_set = true;
+
-+ /* Various ADSL framing schemes */
++ /*
++ * DOCSIS overhead figures courtesy of Greg White @ CableLabs.
++ * The "-ip" versions include the Ethernet frame header, in case
++ * you are shaping an IP interface instead of an Ethernet one.
++ */
++ } else if (strcmp(*argv, "docsis-downstream-ip") == 0) {
++ atm = 0;
++ overhead += 35;
++ overhead_set = true;
++ } else if (strcmp(*argv, "docsis-downstream") == 0) {
++ atm = 0;
++ overhead += 35 - 14;
++ overhead_set = true;
++ } else if (strcmp(*argv, "docsis-upstream-ip") == 0) {
++ atm = 0;
++ overhead += 28;
++ overhead_set = true;
++ } else if (strcmp(*argv, "docsis-upstream") == 0) {
++ atm = 0;
++ overhead += 28 - 14;
++ overhead_set = true;
++
++ /* Various ADSL framing schemes, all over ATM cells */
+ } else if (strcmp(*argv, "ipoa-vcmux") == 0) {
+ atm = 1;
+ overhead += 8;
@@ -281,20 +312,23 @@
+ overhead += 40;
+ overhead_set = true;
+
-+ /* Typical VDSL2 framing schemes */
-+ /* NB: PTM includes HDLC's 0x7D/7E expansion, adds extra 1/128 */
++ /* Typical VDSL2 framing schemes, both over PTM */
++ /* PTM has 64b/65b coding which absorbs some bandwidth */
+ } else if (strcmp(*argv, "pppoe-ptm") == 0) {
-+ atm = 0;
++ atm = 2;
+ overhead += 27;
++ overhead_set = true;
+ } else if (strcmp(*argv, "bridged-ptm") == 0) {
-+ atm = 0;
++ atm = 2;
+ overhead += 19;
++ overhead_set = true;
+
+ } else if (strcmp(*argv, "via-ethernet") == 0) {
+ /*
+ * The above overheads are relative to an IP packet,
-+ * but if the physical interface is Ethernet, Linux
-+ * includes Ethernet framing overhead already.
++ * but Linux includes Ethernet framing overhead already
++ * if we are shaping an Ethernet interface rather than
++ * an IP interface.
+ */
+ overhead -= 14;
+ overhead_set = true;
@@ -371,6 +405,8 @@
+ addattr_l(n, 1024, TCA_CAKE_AUTORATE, &autorate, sizeof(autorate));
+ if (memlimit)
+ addattr_l(n, 1024, TCA_CAKE_MEMORY, &memlimit, sizeof(memlimit));
++ if (nat != -1)
++ addattr_l(n, 1024, TCA_CAKE_NAT, &nat, sizeof(nat));
+
+ tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
+ return 0;
@@ -387,6 +423,7 @@
+ unsigned memlimit = 0;
+ int overhead = 0;
+ int atm = 0;
++ int nat = 0;
+ int autorate = 0;
+ SPRINT_BUF(b1);
+ SPRINT_BUF(b2);
@@ -439,6 +476,8 @@
+ if (tb[TCA_CAKE_FLOW_MODE] &&
+ RTA_PAYLOAD(tb[TCA_CAKE_FLOW_MODE]) >= sizeof(__u32)) {
+ flowmode = rta_getattr_u32(tb[TCA_CAKE_FLOW_MODE]);
++ nat = !!(flowmode & 64);
++ flowmode &= ~64;
+ switch(flowmode) {
+ case 0:
+ fprintf(f, "flowblind ");
@@ -468,6 +507,9 @@
+ fprintf(f, "(?flowmode?) ");
+ break;
+ };
++
++ if(nat)
++ fprintf(f, "nat ");
+ }
+ if (tb[TCA_CAKE_ATM] &&
+ RTA_PAYLOAD(tb[TCA_CAKE_ATM]) >= sizeof(__u32)) {
@@ -485,8 +527,10 @@
+ if (interval)
+ fprintf(f, "rtt %s ", sprint_time(interval, b2));
+
-+ if (atm)
++ if (atm == 1)
+ fprintf(f, "atm ");
++ else if (atm == 2)
++ fprintf(f, "ptm ");
+ else if (overhead)
+ fprintf(f, "noatm ");
+