diff options
Diffstat (limited to 'package/ppp/patches/320-custom_iface_names.patch')
| -rw-r--r-- | package/ppp/patches/320-custom_iface_names.patch | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/package/ppp/patches/320-custom_iface_names.patch b/package/ppp/patches/320-custom_iface_names.patch deleted file mode 100644 index a95f4f8c81..0000000000 --- a/package/ppp/patches/320-custom_iface_names.patch +++ /dev/null @@ -1,135 +0,0 @@ -pppd: Support arbitrary interface names - -This patch implements a new string option "ifname" which allows to specify -fully custom PPP interface names on Linux. It does so by renaming the -allocated pppX device immediately after it has been created to the requested -interface name. - -Signed-off-by: Jo-Philipp Wich <jow@openwrt.org> - ---- a/pppd/main.c -+++ b/pppd/main.c -@@ -745,8 +745,11 @@ void - set_ifunit(iskey) - int iskey; - { -- info("Using interface %s%d", PPP_DRV_NAME, ifunit); -- slprintf(ifname, sizeof(ifname), "%s%d", PPP_DRV_NAME, ifunit); -+ if (use_ifname[0] == 0) -+ slprintf(ifname, sizeof(ifname), "%s%d", PPP_DRV_NAME, ifunit); -+ else -+ slprintf(ifname, sizeof(ifname), "%s", use_ifname); -+ info("Using interface %s", ifname); - script_setenv("IFNAME", ifname, iskey); - if (iskey) { - create_pidfile(getpid()); /* write pid to file */ ---- a/pppd/options.c -+++ b/pppd/options.c -@@ -111,6 +111,7 @@ int log_to_fd = 1; /* send log messages - bool log_default = 1; /* log_to_fd is default (stdout) */ - int maxfail = 10; /* max # of unsuccessful connection attempts */ - char linkname[MAXPATHLEN]; /* logical name for link */ -+char use_ifname[IFNAMSIZ]; /* physical name for PPP link */ - bool tune_kernel; /* may alter kernel settings */ - int connect_delay = 1000; /* wait this many ms after connect script */ - int req_unit = -1; /* requested interface unit */ -@@ -266,6 +267,9 @@ option_t general_options[] = { - { "linkname", o_string, linkname, - "Set logical name for link", - OPT_PRIO | OPT_PRIV | OPT_STATIC, NULL, MAXPATHLEN }, -+ { "ifname", o_string, use_ifname, -+ "Set physical name for PPP interface", -+ OPT_PRIO | OPT_PRIV | OPT_STATIC, NULL, IFNAMSIZ }, - - { "maxfail", o_int, &maxfail, - "Maximum number of unsuccessful connection attempts to allow", ---- a/pppd/pppd.h -+++ b/pppd/pppd.h -@@ -71,6 +71,10 @@ - #include "eui64.h" - #endif - -+#ifndef IFNAMSIZ -+#define IFNAMSIZ 16 -+#endif -+ - /* - * Limits. - */ -@@ -309,6 +313,7 @@ extern char *record_file; /* File to rec - extern bool sync_serial; /* Device is synchronous serial device */ - extern int maxfail; /* Max # of unsuccessful connection attempts */ - extern char linkname[MAXPATHLEN]; /* logical name for link */ -+extern char use_ifname[IFNAMSIZ]; /* physical name for PPP interface */ - extern bool tune_kernel; /* May alter kernel settings as necessary */ - extern int connect_delay; /* Time to delay after connect script */ - extern int max_data_rate; /* max bytes/sec through charshunt */ ---- a/pppd/sys-linux.c -+++ b/pppd/sys-linux.c -@@ -168,6 +168,10 @@ struct in6_ifreq { - /* We can get an EIO error on an ioctl if the modem has hung up */ - #define ok_error(num) ((num)==EIO) - -+#if !defined(PPP_DRV_NAME) -+#define PPP_DRV_NAME "ppp" -+#endif /* !defined(PPP_DRV_NAME) */ -+ - static int tty_disc = N_TTY; /* The TTY discipline */ - static int ppp_disc = N_PPP; /* The PPP discpline */ - static int initfdflags = -1; /* Initial file descriptor flags for fd */ -@@ -622,7 +626,8 @@ void generic_disestablish_ppp(int dev_fd - */ - static int make_ppp_unit() - { -- int x, flags; -+ struct ifreq ifr; -+ int x, flags, s; - - if (ppp_dev_fd >= 0) { - dbglog("in make_ppp_unit, already had /dev/ppp open?"); -@@ -645,6 +650,30 @@ static int make_ppp_unit() - } - if (x < 0) - error("Couldn't create new ppp unit: %m"); -+ -+ if (use_ifname[0] != 0) { -+ s = socket(PF_INET, SOCK_DGRAM, 0); -+ if (s < 0) -+ s = socket(PF_PACKET, SOCK_DGRAM, 0); -+ if (s < 0) -+ s = socket(PF_INET6, SOCK_DGRAM, 0); -+ if (s < 0) -+ s = socket(PF_UNIX, SOCK_DGRAM, 0); -+ if (s >= 0) { -+ slprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s%d", PPP_DRV_NAME, ifunit); -+ slprintf(ifr.ifr_newname, sizeof(ifr.ifr_newname), "%s", use_ifname); -+ x = ioctl(s, SIOCSIFNAME, &ifr); -+ close(s); -+ } else { -+ x = s; -+ } -+ if (x < 0) { -+ error("Couldn't rename %s to %s", ifr.ifr_name, ifr.ifr_newname); -+ close(ppp_dev_fd); -+ ppp_dev_fd = -1; -+ } -+ } -+ - return x; - } - ---- a/pppstats/pppstats.c -+++ b/pppstats/pppstats.c -@@ -506,10 +506,12 @@ main(argc, argv) - if (argc > 0) - interface = argv[0]; - -+#if 0 - if (sscanf(interface, PPP_DRV_NAME "%d", &unit) != 1) { - fprintf(stderr, "%s: invalid interface '%s' specified\n", - progname, interface); - } -+#endif - - #ifndef STREAMS - { |