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authorMartin Schiller <ms@dev.tdt.de>2018-01-08 13:12:20 +0100
committerMathias Kresin <dev@kresin.me>2018-01-10 08:08:53 +0100
commit1b1388f6404e6c3b0734de0a3dfbea63d69f677e (patch)
tree534c6d8f80c3a3462ab9125ed02d1732a4afbfff
parent57157618d4c25b3f08adf28bad5b24d26b3a368a (diff)
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linux-atm: add br2684ctl option to specify the netdev name
Add the uci option nameprefix to specifc a target netdev name. Patch the br2684ctl code to accept and set a netdev name via commandline parameters. It allows to use the same netdev name for ATM and PTM lines on lantiq xdsl hardware. Signed-off-by: Martin Schiller <ms@dev.tdt.de> Signed-off-by: Mathis Kresin <dev@kresin.me>
-rwxr-xr-xpackage/base-files/files/bin/config_generate5
-rwxr-xr-xpackage/base-files/files/lib/functions/uci-defaults.sh2
-rwxr-xr-xpackage/network/utils/linux-atm/files/br2684ctl7
-rw-r--r--package/network/utils/linux-atm/patches/501-br2684ctl_itfname.patch74
4 files changed, 84 insertions, 4 deletions
diff --git a/package/base-files/files/bin/config_generate b/package/base-files/files/bin/config_generate
index bbed567def..fa148685cc 100755
--- a/package/base-files/files/bin/config_generate
+++ b/package/base-files/files/bin/config_generate
@@ -24,8 +24,8 @@ generate_static_network() {
json_select dsl
if json_is_a atmbridge object; then
json_select atmbridge
- local vpi vci encaps payload
- json_get_vars vpi vci encaps payload
+ local vpi vci encaps payload nameprefix
+ json_get_vars vpi vci encaps payload nameprefix
uci -q batch <<-EOF
delete network.atm
set network.atm='atm-bridge'
@@ -33,6 +33,7 @@ generate_static_network() {
set network.atm.vci='$vci'
set network.atm.encaps='$encaps'
set network.atm.payload='$payload'
+ set network.atm.nameprefix='$nameprefix'
EOF
json_select ..
fi
diff --git a/package/base-files/files/lib/functions/uci-defaults.sh b/package/base-files/files/lib/functions/uci-defaults.sh
index 82ac1d2a4d..3126fe6510 100755
--- a/package/base-files/files/lib/functions/uci-defaults.sh
+++ b/package/base-files/files/lib/functions/uci-defaults.sh
@@ -319,6 +319,7 @@ ucidef_add_atm_bridge() {
local vci="$2"
local encaps="$3"
local payload="$4"
+ local nameprefix="$5"
json_select_object dsl
json_select_object atmbridge
@@ -326,6 +327,7 @@ ucidef_add_atm_bridge() {
json_add_int vci "$vci"
json_add_string encaps "$encaps"
json_add_string payload "$payload"
+ json_add_string nameprefix "$nameprefix"
json_select ..
json_select ..
}
diff --git a/package/network/utils/linux-atm/files/br2684ctl b/package/network/utils/linux-atm/files/br2684ctl
index 0fa86bdefd..6513dd38ad 100755
--- a/package/network/utils/linux-atm/files/br2684ctl
+++ b/package/network/utils/linux-atm/files/br2684ctl
@@ -13,6 +13,9 @@ start_daemon() {
config_get atmdev "$cfg" atmdev 0
+ local nameprefix
+ config_get nameprefix "$cfg" nameprefix "nas"
+
local unit
config_get unit "$cfg" unit 0
@@ -58,8 +61,8 @@ start_daemon() {
procd_open_instance
procd_set_param command \
- /usr/sbin/br2684ctl_wrap "nas$unit" \
- -c "$unit" -e "$encaps" -p "$payload" \
+ /usr/sbin/br2684ctl_wrap "${nameprefix}${unit}" \
+ -n "$nameprefix" -c "$unit" -e "$encaps" -p "$payload" \
-a "$circuit" ${qos:+-q "$qos"} ${sendsize:+-s "$sendsize"} \
-S /lib/netifd/br2684-up
procd_close_instance
diff --git a/package/network/utils/linux-atm/patches/501-br2684ctl_itfname.patch b/package/network/utils/linux-atm/patches/501-br2684ctl_itfname.patch
new file mode 100644
index 0000000000..839b395fe4
--- /dev/null
+++ b/package/network/utils/linux-atm/patches/501-br2684ctl_itfname.patch
@@ -0,0 +1,74 @@
+--- a/src/br2684/br2684ctl.c
++++ b/src/br2684/br2684ctl.c
+@@ -45,6 +45,7 @@ struct br2684_params {
+
+ int lastsock, lastitf;
+ static char *up_script;
++const char *itfname = "nas";
+
+
+ void fatal(const char *str, int err)
+@@ -73,7 +74,7 @@ int create_pidfile(int num)
+
+ if (num < 0) return -1;
+
+- snprintf(name, 32, "/var/run/br2684ctl-nas%d.pid", num);
++ snprintf(name, 32, "/var/run/br2684ctl-%s%d.pid", itfname, num);
+ pidfile = fopen(name, "w");
+ if (pidfile == NULL) return -1;
+ fprintf(pidfile, "%d", getpid());
+@@ -102,7 +103,7 @@ int create_br(int itfnum, int payload)
+ ni.media |= BR2684_FLAG_ROUTED;
+ #endif
+ ni.mtu = 1500;
+- sprintf(ni.ifname, "nas%d", itfnum);
++ sprintf(ni.ifname, "%s%d", itfname, itfnum);
+ err=ioctl (lastsock, ATM_NEWBACKENDIF, &ni);
+
+ if (err == 0)
+@@ -167,7 +168,7 @@ int assign_vcc(char *astr, int encap, in
+
+ be.backend_num = ATM_BACKEND_BR2684;
+ be.ifspec.method = BR2684_FIND_BYIFNAME;
+- sprintf(be.ifspec.spec.ifname, "nas%d", lastitf);
++ sprintf(be.ifspec.spec.ifname, "%s%d", itfname, lastitf);
+ be.fcs_in = BR2684_FCSIN_NO;
+ be.fcs_out = BR2684_FCSOUT_NO;
+ be.fcs_auto = 0;
+@@ -198,7 +199,7 @@ void start_interface(struct br2684_param
+ assign_vcc(params->astr, params->encap, params->payload, params->sndbuf,
+ params->reqqos);
+ if (up_script) {
+- asprintf(&cmd, "%s nas%d", up_script, lastitf);
++ asprintf(&cmd, "%s %s%d", up_script, itfname, lastitf);
+ system(cmd);
+ free(cmd);
+ }
+@@ -207,7 +208,7 @@ void start_interface(struct br2684_param
+
+ void usage(char *s)
+ {
+- printf("usage: %s [-b] [[-c number] [-e 0|1] [-s sndbuf] [-q qos] [-p 0|1] "
++ printf("usage: %s [-b] [-n name] [[-c number] [-e 0|1] [-s sndbuf] [-q qos] [-p 0|1] "
+ "[-a [itf.]vpi.vci]*]* [-S script]\n", s);
+ printf(" encapsulations: 0=llc, 1=vcmux\n payloads: 0=routed, 1=bridged\n");
+ exit(1);
+@@ -234,7 +235,7 @@ int main (int argc, char **argv)
+
+ openlog (LOG_NAME,LOG_OPTION,LOG_FACILITY);
+ if (argc>1)
+- while ((c = getopt(argc, argv,"q:a:bc:e:s:S:p:?h")) !=EOF)
++ while ((c = getopt(argc, argv,"q:a:bn:c:e:s:S:p:?h")) !=EOF)
+ switch (c) {
+ case 'q':
+ printf ("optarg : %s",optarg);
+@@ -247,6 +248,9 @@ int main (int argc, char **argv)
+ case 'b':
+ background=1;
+ break;
++ case 'n':
++ itfname = optarg;
++ break;
+ case 'c':
+ /* temporary, to make it work with multiple interfaces: */
+ if (params.itfnum>=0) start_interface(&params);