mac80211: implement wds sta support (wds ap support work in progress, needs hostapd changes)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18356 3c298f89-4303-0410-b956-a3cf2f4a3e73

3 files changed, 300 insertions, 0 deletions

diff --git a/package/iw/patches/000-upstream.patch b/package/iw/patches/000-upstream.patch
new file mode 100644
index 0000000000..8aee7758ae
--- /dev/null
+++ b/package/iw/patches/000-upstream.patch
@@ -0,0 +1,155 @@
+--- a/Makefile
++++ b/Makefile
+@@ -3,7 +3,7 @@
+ MAKEFLAGS += --no-print-directory
+ 
+ PREFIX ?= /usr
+-BINDIR ?= $(PREFIX)/bin
++SBINDIR ?= $(PREFIX)/sbin
+ MANDIR ?= $(PREFIX)/share/man
+ PKG_CONFIG ?= pkg-config
+ 
+@@ -85,8 +85,8 @@ check:
+ 
+ install: iw iw.8.gz
+ 	@$(NQ) ' INST iw'
+-	$(Q)$(MKDIR) $(DESTDIR)$(BINDIR)
+-	$(Q)$(INSTALL) -m 755 -t $(DESTDIR)$(BINDIR) iw
++	$(Q)$(MKDIR) $(DESTDIR)$(SBINDIR)
++	$(Q)$(INSTALL) -m 755 -t $(DESTDIR)$(SBINDIR) iw
+ 	@$(NQ) ' INST iw.8'
+ 	$(Q)$(MKDIR) $(DESTDIR)$(MANDIR)/man8/
+ 	$(Q)$(INSTALL) -m 644 -t $(DESTDIR)$(MANDIR)/man8/ iw.8.gz
+--- a/iw.c
++++ b/iw.c
+@@ -223,9 +223,12 @@ static int phy_lookup(char *name)
+ 	if (fd < 0)
+ 		return -1;
+ 	pos = read(fd, buf, sizeof(buf) - 1);
+-	if (pos < 0)
++	if (pos < 0) {
++		close(fd);
+ 		return -1;
++	}
+ 	buf[pos] = '\0';
++	close(fd);
+ 	return atoi(buf);
+ }
+ 
+--- a/nl80211.h
++++ b/nl80211.h
+@@ -262,6 +262,9 @@
+  *	reasons, for this the %NL80211_ATTR_DISCONNECTED_BY_AP and
+  *	%NL80211_ATTR_REASON_CODE attributes are used.
+  *
++ * @NL80211_CMD_SET_WIPHY_NETNS: Set a wiphy's netns. Note that all devices
++ *	associated with this wiphy must be down and will follow.
++ *
+  * @NL80211_CMD_MAX: highest used command number
+  * @__NL80211_CMD_AFTER_LAST: internal use
+  */
+@@ -336,6 +339,8 @@ enum nl80211_commands {
+ 	NL80211_CMD_ROAM,
+ 	NL80211_CMD_DISCONNECT,
+ 
++	NL80211_CMD_SET_WIPHY_NETNS,
++
+ 	/* add new commands above here */
+ 
+ 	/* used to define NL80211_CMD_MAX below */
+@@ -475,10 +480,6 @@ enum nl80211_commands {
+  * @NL80211_ATTR_SCAN_FREQUENCIES: nested attribute with frequencies (in MHz)
+  * @NL80211_ATTR_SCAN_SSIDS: nested attribute with SSIDs, leave out for passive
+  *	scanning and include a zero-length SSID (wildcard) for wildcard scan
+- * @NL80211_ATTR_SCAN_GENERATION: the scan generation increases whenever the
+- *	scan result list changes (BSS expired or added) so that applications
+- *	can verify that they got a single, consistent snapshot (when all dump
+- *	messages carried the same generation number)
+  * @NL80211_ATTR_BSS: scan result BSS
+  *
+  * @NL80211_ATTR_REG_INITIATOR: indicates who requested the regulatory domain
+@@ -573,6 +574,16 @@ enum nl80211_commands {
+  *	and join_ibss(), key information is in a nested attribute each
+  *	with %NL80211_KEY_* sub-attributes
+  *
++ * @NL80211_ATTR_PID: Process ID of a network namespace.
++ *
++ * @NL80211_ATTR_GENERATION: Used to indicate consistent snapshots for
++ *	dumps. This number increases whenever the object list being
++ *	dumped changes, and as such userspace can verify that it has
++ *	obtained a complete and consistent snapshot by verifying that
++ *	all dump messages contain the same generation number. If it
++ *	changed then the list changed and the dump should be repeated
++ *	completely from scratch.
++ *
+  * @NL80211_ATTR_MAX: highest attribute number currently defined
+  * @__NL80211_ATTR_AFTER_LAST: internal use
+  */
+@@ -644,7 +655,7 @@ enum nl80211_attrs {
+ 
+ 	NL80211_ATTR_SCAN_FREQUENCIES,
+ 	NL80211_ATTR_SCAN_SSIDS,
+-	NL80211_ATTR_SCAN_GENERATION,
++	NL80211_ATTR_GENERATION, /* replaces old SCAN_GENERATION */
+ 	NL80211_ATTR_BSS,
+ 
+ 	NL80211_ATTR_REG_INITIATOR,
+@@ -701,12 +712,17 @@ enum nl80211_attrs {
+ 	NL80211_ATTR_KEY,
+ 	NL80211_ATTR_KEYS,
+ 
++	NL80211_ATTR_PID,
++
+ 	/* add attributes here, update the policy in nl80211.c */
+ 
+ 	__NL80211_ATTR_AFTER_LAST,
+ 	NL80211_ATTR_MAX = __NL80211_ATTR_AFTER_LAST - 1
+ };
+ 
++/* source-level API compatibility */
++#define NL80211_ATTR_SCAN_GENERATION NL80211_ATTR_GENERATION
++
+ /*
+  * Allow user space programs to use #ifdef on new attributes by defining them
+  * here
+--- a/phy.c
++++ b/phy.c
+@@ -140,3 +140,27 @@ static int handle_rts(struct nl80211_sta
+ COMMAND(set, rts, "<rts threshold|off>",
+ 	NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_rts,
+ 	"Set rts threshold.");
++
++static int handle_netns(struct nl80211_state *state,
++			struct nl_cb *cb,
++			struct nl_msg *msg,
++			int argc, char **argv)
++{
++	char *end;
++
++	if (argc != 1)
++		return 1;
++
++	NLA_PUT_U32(msg, NL80211_ATTR_PID,
++		    strtoul(argv[0], &end, 10)); 
++
++	if (*end != '\0')
++		return 1;
++
++	return 0;
++ nla_put_failure:
++	return -ENOBUFS;
++}
++COMMAND(set, netns, "<pid>",
++	NL80211_CMD_SET_WIPHY_NETNS, 0, CIB_PHY, handle_netns,
++	"Put this wireless device into a different network namespace");
+--- a/station.c
++++ b/station.c
+@@ -127,7 +127,7 @@ static int print_sta_handler(struct nl_m
+ 		printf("\n\tmesh plid:\t%d",
+ 			nla_get_u16(sinfo[NL80211_STA_INFO_PLID]));
+ 	if (sinfo[NL80211_STA_INFO_PLINK_STATE]) {
+-		switch (nla_get_u16(sinfo[NL80211_STA_INFO_PLINK_STATE])) {
++		switch (nla_get_u8(sinfo[NL80211_STA_INFO_PLINK_STATE])) {
+ 		case LISTEN:
+ 			strcpy(state_name, "LISTEN");
+ 			break;
diff --git a/package/iw/patches/100-4addr.patch b/package/iw/patches/100-4addr.patch
new file mode 100644
index 0000000000..db6b88010b
--- /dev/null
+++ b/package/iw/patches/100-4addr.patch
@@ -0,0 +1,76 @@
+--- a/interface.c
++++ b/interface.c
+@@ -137,6 +137,20 @@ static int get_if_type(int *argc, char *
+ 	return 2;
+ }
+ 
++static int parse_wds_flag(const char *value, struct nl_msg *msg)
++{
++	if (strcmp(value, "on") == 0)
++		NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 1);
++	else if (strcmp(value, "off") == 0)
++		NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 0);
++	else
++		return 1;
++	return 0;
++
++nla_put_failure:
++	return 1;
++}
++
+ static int handle_interface_add(struct nl80211_state *state,
+ 				struct nl_cb *cb,
+ 				struct nl_msg *msg,
+@@ -168,6 +182,15 @@ static int handle_interface_add(struct n
+ 			mesh_id = argv[0];
+ 			argc--;
+ 			argv++;
++		} else if (strcmp(argv[0], "wds") == 0) {
++			argc--;
++			argv++;
++			if (parse_wds_flag(argv[0], msg)) {
++				fprintf(stderr, "wds error\n");
++				return 2;
++			}
++			argc--;
++			argv++;
+ 		} else if (strcmp(argv[0], "flags") == 0) {
+ 			argc--;
+ 			argv++;
+@@ -192,14 +215,14 @@ static int handle_interface_add(struct n
+  nla_put_failure:
+ 	return -ENOBUFS;
+ }
+-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [flags <flag>*]",
++COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [wds on|off] [flags <flag>*]",
+ 	NL80211_CMD_NEW_INTERFACE, 0, CIB_PHY, handle_interface_add,
+ 	"Add a new virtual interface with the given configuration.\n"
+ 	IFACE_TYPES "\n\n"
+ 	"The flags are only used for monitor interfaces, valid flags are:\n"
+ 	VALID_FLAGS "\n\n"
+ 	"The mesh_id is used only for mesh mode.");
+-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [flags <flag>*]",
++COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [wds on|off] [flags <flag>*]",
+ 	NL80211_CMD_NEW_INTERFACE, 0, CIB_NETDEV, handle_interface_add, NULL);
+ 
+ static int handle_interface_del(struct nl80211_state *state,
+--- a/nl80211.h
++++ b/nl80211.h
+@@ -584,6 +584,8 @@ enum nl80211_commands {
+  *	changed then the list changed and the dump should be repeated
+  *	completely from scratch.
+  *
++ * @NL80211_ATTR_4ADDR: Use 4-address frames on a virtual interface
++ *
+  * @NL80211_ATTR_MAX: highest attribute number currently defined
+  * @__NL80211_ATTR_AFTER_LAST: internal use
+  */
+@@ -714,6 +716,8 @@ enum nl80211_attrs {
+ 
+ 	NL80211_ATTR_PID,
+ 
++	NL80211_ATTR_4ADDR,
++
+ 	/* add attributes here, update the policy in nl80211.c */
+ 
+ 	__NL80211_ATTR_AFTER_LAST,
diff --git a/package/iw/patches/110-sta_vlan.patch b/package/iw/patches/110-sta_vlan.patch
new file mode 100644
index 0000000000..913c698bbc
--- /dev/null
+++ b/package/iw/patches/110-sta_vlan.patch
@@ -0,0 +1,69 @@
+--- a/station.c
++++ b/station.c
+@@ -196,7 +196,7 @@ COMMAND(station, del, "<MAC address>",
+ 	NL80211_CMD_DEL_STATION, 0, CIB_NETDEV, handle_station_get,
+ 	"Remove the given station entry (use with caution!)");
+ 
+-static int handle_station_set(struct nl80211_state *state,
++static int handle_station_set_plink(struct nl80211_state *state,
+ 			      struct nl_cb *cb,
+ 			      struct nl_msg *msg,
+ 			      int argc, char **argv)
+@@ -241,9 +241,56 @@ static int handle_station_set(struct nl8
+ 	return -ENOBUFS;
+ }
+ COMMAND(station, set, "<MAC address> plink_action <open|block>",
+-	NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set,
++	NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_plink,
+ 	"Set mesh peer link action for this station (peer).");
+ 
++static int handle_station_set_vlan(struct nl80211_state *state,
++			      struct nl_cb *cb,
++			      struct nl_msg *msg,
++			      int argc, char **argv)
++{
++	unsigned char mac_addr[ETH_ALEN];
++	unsigned long sta_vlan = 0;
++	char *err = NULL;
++
++	if (argc < 3)
++		return 1;
++
++	if (mac_addr_a2n(mac_addr, argv[0])) {
++		fprintf(stderr, "invalid mac address\n");
++		return 2;
++	}
++	argc--;
++	argv++;
++
++	if (strcmp("vlan", argv[0]) != 0)
++		return 1;
++	argc--;
++	argv++;
++
++	sta_vlan = strtoul(argv[0], &err, 0);
++	if (err && *err) {
++		fprintf(stderr, "invalid vlan id\n");
++		return 2;
++	}
++	argc--;
++	argv++;
++
++	if (argc)
++		return 1;
++
++	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
++	NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN, sta_vlan);
++
++	return 0;
++ nla_put_failure:
++	return -ENOBUFS;
++}
++COMMAND(station, set, "<MAC address> vlan <ifindex>",
++	NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_vlan,
++	"Set an AP VLAN for this station.");
++
++
+ static int handle_station_dump(struct nl80211_state *state,
+ 			       struct nl_cb *cb,
+ 			       struct nl_msg *msg,