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authorKevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>2016-06-27 11:16:57 +0100
committerJo-Philipp Wich <jo@mein.io>2016-06-30 00:43:03 +0200
commit6d7f54ccdb4a497a969c02657adae9664ae88737 (patch)
tree886aed146293b32c2ec57b3948d6dce143025017 /package/network/utils/iproute2
parentc2bd4695211e78da3a7899f8ee386ff06c3501e8 (diff)
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iproute2: cake AQM prepare tc for COBALT algorithm
Cake AQM is experimenting with a codel/blue hybrid AQM COBALT instead of just using codel alone. This patch updates tc to cope with some new stats produced by COBALT. Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
Diffstat (limited to 'package/network/utils/iproute2')
-rw-r--r--package/network/utils/iproute2/Makefile2
-rw-r--r--package/network/utils/iproute2/patches/950-add-cake-to-tc.patch23
2 files changed, 14 insertions, 11 deletions
diff --git a/package/network/utils/iproute2/Makefile b/package/network/utils/iproute2/Makefile
index dbebd06f8e..4b17e19fb1 100644
--- a/package/network/utils/iproute2/Makefile
+++ b/package/network/utils/iproute2/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=iproute2
PKG_VERSION:=4.4.0
-PKG_RELEASE:=2
+PKG_RELEASE:=3
PKG_SOURCE:=$(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 29496a462a..cc988a4382 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 +877,55 @@ struct tc_pie_xstats {
+@@ -877,4 +877,56 @@ struct tc_pie_xstats {
__u32 maxq; /* maximum queue size */
__u32 ecn_mark; /* packets marked with ecn*/
};
@@ -29,7 +29,7 @@
+
+#define TC_CAKE_MAX_TINS (8)
+struct tc_cake_xstats {
-+ __u16 version; /* == 3, increments when struct extended */
++ __u16 version; /* == 4, increments when struct extended */
+ __u8 max_tins; /* == TC_CAKE_MAX_TINS */
+ __u8 tin_cnt; /* <= TC_CAKE_MAX_TINS */
+
@@ -48,7 +48,8 @@
+ __u32 base_delay_us [TC_CAKE_MAX_TINS]; /* ~= delay to sparse flows */
+ __u16 sparse_flows [TC_CAKE_MAX_TINS];
+ __u16 bulk_flows [TC_CAKE_MAX_TINS];
-+ __u32 last_skblen [TC_CAKE_MAX_TINS]; /* skb_headlen */
++ __u16 unresponse_flows [TC_CAKE_MAX_TINS]; /* v4 - was u32 last_len */
++ __u16 spare [TC_CAKE_MAX_TINS]; /* v4 - split last_len */
+ __u32 max_skblen [TC_CAKE_MAX_TINS];
+ __u32 capacity_estimate; /* version 2 */
+ __u32 memory_limit; /* version 3 */
@@ -68,7 +69,7 @@
--- /dev/null
+++ b/tc/q_cake.c
-@@ -0,0 +1,598 @@
+@@ -0,0 +1,600 @@
+/*
+ * Common Applications Kept Enhanced -- CAKE
+ *
@@ -557,11 +558,11 @@
+
+ switch(stnc->tin_cnt) {
+ case 4:
-+ fprintf(f, " Bulk Best Effort Video Voice\n");
++ fprintf(f, " Bulk Best Effort Video Voice\n");
+ break;
+
+ case 5:
-+ fprintf(f, " Low Loss Best Effort Low Delay Bulk Net Control\n");
++ fprintf(f, " Low Loss Best Effort Low Delay Bulk Net Control\n");
+ break;
+
+ default:
@@ -646,10 +647,12 @@
+ fprintf(f, "%12u", stnc->bulk_flows[i]);
+ fprintf(f, "\n");
+
-+ fprintf(f, " last_len");
-+ for(i=0; i < stnc->tin_cnt; i++)
-+ fprintf(f, "%12u", stnc->last_skblen[i]);
-+ fprintf(f, "\n");
++ if(stnc->version >= 4) {
++ fprintf(f, " un_flows");
++ for(i=0; i < stnc->tin_cnt; i++)
++ fprintf(f, "%12u", stnc->unresponse_flows[i]);
++ fprintf(f, "\n");
++ }
+
+ fprintf(f, " max_len ");
+ for(i=0; i < stnc->tin_cnt; i++)