diff options
Diffstat (limited to 'sys-apps/iproute2/files/iproute2-6.5.0-mtu.patch')
| -rw-r--r-- | sys-apps/iproute2/files/iproute2-6.5.0-mtu.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sys-apps/iproute2/files/iproute2-6.5.0-mtu.patch b/sys-apps/iproute2/files/iproute2-6.5.0-mtu.patch new file mode 100644 index 000000000000..f2895021eb1b --- /dev/null +++ b/sys-apps/iproute2/files/iproute2-6.5.0-mtu.patch @@ -0,0 +1,50 @@ +http://bugs.gentoo.org/291907 + +This patch was merged from two patches extracted from this thread: +http://markmail.org/thread/qkd76gpdgefpjlfn + +tc_stab.c: small fixes to commandline help + + +tc_core.c: +As kernel part of things relies on cell align which is always set to -1, +I also added it to userspace computation stage. This way if someone +specified e.g. 2048 and 512 for mtu and tsize respectively, one wouldn't +end with tsize supporting mtu 4096 suddenly, New default mtu is also set +to 2048 (disregarding weirdness of setting mtu to such values). + + +Unless I missed something, this is harmless and feels cleaner, but if it's +not allowed, documentation will have to be changed back to 2047 + extra +explanation as well. +--- a/tc/tc_core.c ++++ b/tc/tc_core.c +@@ -197,12 +197,12 @@ int tc_calc_size_table(struct tc_sizespec *s, __u16 **stab) + } + + if (s->mtu == 0) +- s->mtu = 2047; ++ s->mtu = 2048; + if (s->tsize == 0) + s->tsize = 512; + + s->cell_log = 0; +- while ((s->mtu >> s->cell_log) > s->tsize - 1) ++ while ((s->mtu - 1 >> s->cell_log) > s->tsize - 1) + s->cell_log++; + + *stab = malloc(s->tsize * sizeof(__u16)); +--- a/tc/tc_stab.c ++++ b/tc/tc_stab.c +@@ -27,7 +27,7 @@ static void stab_help(void) + fprintf(stderr, + "Usage: ... stab [ mtu BYTES ] [ tsize SLOTS ] [ mpu BYTES ]\n" + " [ overhead BYTES ] [ linklayer TYPE ] ...\n" +- " mtu : max packet size we create rate map for {2047}\n" ++ " mtu : max packet size we create size table for {2048}\n" + " tsize : how many slots should size table have {512}\n" + " mpu : minimum packet size used in rate computations\n" + " overhead : per-packet size overhead used in rate computations\n" +-- +2.42.0 + |