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authorFelix Fietkau <nbd@openwrt.org>2006-10-10 12:30:14 +0000
committerFelix Fietkau <nbd@openwrt.org>2006-10-10 12:30:14 +0000
commit0ab6b742c0c889bc3d2189f496cebeb28835179d (patch)
tree954ca592c8b416d88b99245167f08bbd560f41a6
parent917bb076614355cce9519e890248dfabcb63aacb (diff)
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pppd: pass on the configured upper limit for mtu to the channel that ppp uses
SVN-Revision: 5010
-rw-r--r--openwrt/package/ppp/patches/210-lcp_mtu_max.patch17
1 files changed, 17 insertions, 0 deletions
diff --git a/openwrt/package/ppp/patches/210-lcp_mtu_max.patch b/openwrt/package/ppp/patches/210-lcp_mtu_max.patch
new file mode 100644
index 0000000000..2056a87325
--- /dev/null
+++ b/openwrt/package/ppp/patches/210-lcp_mtu_max.patch
@@ -0,0 +1,17 @@
+--- ppp-2.4.3/pppd/lcp.c.old 2006-10-10 14:19:11.000000000 +0200
++++ ppp-2.4.3/pppd/lcp.c 2006-10-10 14:19:55.000000000 +0200
+@@ -1891,12 +1891,12 @@
+ * the interface MTU is set to the lowest of that, the
+ * MTU we want to use, and our link MRU.
+ */
+- mtu = ho->neg_mru? ho->mru: PPP_MRU;
++ mtu = MIN(ho->neg_mru? ho->mru: PPP_MRU, ao->mru);
+ mru = go->neg_mru? MAX(wo->mru, go->mru): PPP_MRU;
+ #ifdef HAVE_MULTILINK
+ if (!(multilink && go->neg_mrru && ho->neg_mrru))
+ #endif /* HAVE_MULTILINK */
+- netif_set_mtu(f->unit, MIN(MIN(mtu, mru), ao->mru));
++ netif_set_mtu(f->unit, MIN(mtu, mru));
+ ppp_send_config(f->unit, mtu,
+ (ho->neg_asyncmap? ho->asyncmap: 0xffffffff),
+ ho->neg_pcompression, ho->neg_accompression);