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authornbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2006-10-10 12:30:14 +0000
committernbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>2006-10-10 12:30:14 +0000
commitdec7e982a9e41f2ef52cc7807f60620cfd02d437 (patch)
tree8e3bcdead8ca7b43fd2e46c81c7e09c3795a19f2 /package/ppp
parent56a341a5b9325c32eafe678919862f56cb0ffc56 (diff)
pppd: pass on the configured upper limit for mtu to the channel that ppp uses
git-svn-id: svn://svn.openwrt.org/openwrt/branches/buildroot-ng/openwrt@5010 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/ppp')
-rw-r--r--package/ppp/patches/210-lcp_mtu_max.patch17
1 files changed, 17 insertions, 0 deletions
diff --git a/package/ppp/patches/210-lcp_mtu_max.patch b/package/ppp/patches/210-lcp_mtu_max.patch
new file mode 100644
index 000000000..2056a8732
--- /dev/null
+++ b/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);