mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2024-12-12 09:54:53 +00:00
mac80211: implement wds sta support (wds ap support work in progress, needs hostapd changes)
SVN-Revision: 18356
This commit is contained in:
parent
559f32adbc
commit
1dbcfdaf2f
package
iw/patches
mac80211
155
package/iw/patches/000-upstream.patch
Normal file
155
package/iw/patches/000-upstream.patch
Normal file
@ -0,0 +1,155 @@
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--- a/Makefile
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+++ b/Makefile
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@@ -3,7 +3,7 @@
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MAKEFLAGS += --no-print-directory
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PREFIX ?= /usr
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-BINDIR ?= $(PREFIX)/bin
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+SBINDIR ?= $(PREFIX)/sbin
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MANDIR ?= $(PREFIX)/share/man
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PKG_CONFIG ?= pkg-config
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@@ -85,8 +85,8 @@ check:
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install: iw iw.8.gz
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@$(NQ) ' INST iw'
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- $(Q)$(MKDIR) $(DESTDIR)$(BINDIR)
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- $(Q)$(INSTALL) -m 755 -t $(DESTDIR)$(BINDIR) iw
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+ $(Q)$(MKDIR) $(DESTDIR)$(SBINDIR)
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+ $(Q)$(INSTALL) -m 755 -t $(DESTDIR)$(SBINDIR) iw
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@$(NQ) ' INST iw.8'
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$(Q)$(MKDIR) $(DESTDIR)$(MANDIR)/man8/
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$(Q)$(INSTALL) -m 644 -t $(DESTDIR)$(MANDIR)/man8/ iw.8.gz
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--- a/iw.c
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+++ b/iw.c
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@@ -223,9 +223,12 @@ static int phy_lookup(char *name)
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if (fd < 0)
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return -1;
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pos = read(fd, buf, sizeof(buf) - 1);
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- if (pos < 0)
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+ if (pos < 0) {
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+ close(fd);
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return -1;
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+ }
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buf[pos] = '\0';
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+ close(fd);
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return atoi(buf);
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}
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--- a/nl80211.h
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+++ b/nl80211.h
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@@ -262,6 +262,9 @@
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* reasons, for this the %NL80211_ATTR_DISCONNECTED_BY_AP and
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* %NL80211_ATTR_REASON_CODE attributes are used.
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*
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+ * @NL80211_CMD_SET_WIPHY_NETNS: Set a wiphy's netns. Note that all devices
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+ * associated with this wiphy must be down and will follow.
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+ *
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* @NL80211_CMD_MAX: highest used command number
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* @__NL80211_CMD_AFTER_LAST: internal use
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*/
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@@ -336,6 +339,8 @@ enum nl80211_commands {
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NL80211_CMD_ROAM,
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NL80211_CMD_DISCONNECT,
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+ NL80211_CMD_SET_WIPHY_NETNS,
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+
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/* add new commands above here */
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/* used to define NL80211_CMD_MAX below */
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@@ -475,10 +480,6 @@ enum nl80211_commands {
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* @NL80211_ATTR_SCAN_FREQUENCIES: nested attribute with frequencies (in MHz)
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* @NL80211_ATTR_SCAN_SSIDS: nested attribute with SSIDs, leave out for passive
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* scanning and include a zero-length SSID (wildcard) for wildcard scan
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- * @NL80211_ATTR_SCAN_GENERATION: the scan generation increases whenever the
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- * scan result list changes (BSS expired or added) so that applications
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- * can verify that they got a single, consistent snapshot (when all dump
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- * messages carried the same generation number)
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* @NL80211_ATTR_BSS: scan result BSS
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*
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* @NL80211_ATTR_REG_INITIATOR: indicates who requested the regulatory domain
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@@ -573,6 +574,16 @@ enum nl80211_commands {
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* and join_ibss(), key information is in a nested attribute each
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* with %NL80211_KEY_* sub-attributes
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*
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+ * @NL80211_ATTR_PID: Process ID of a network namespace.
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+ *
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+ * @NL80211_ATTR_GENERATION: Used to indicate consistent snapshots for
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+ * dumps. This number increases whenever the object list being
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+ * dumped changes, and as such userspace can verify that it has
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+ * obtained a complete and consistent snapshot by verifying that
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+ * all dump messages contain the same generation number. If it
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+ * changed then the list changed and the dump should be repeated
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+ * completely from scratch.
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+ *
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* @NL80211_ATTR_MAX: highest attribute number currently defined
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* @__NL80211_ATTR_AFTER_LAST: internal use
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*/
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@@ -644,7 +655,7 @@ enum nl80211_attrs {
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NL80211_ATTR_SCAN_FREQUENCIES,
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NL80211_ATTR_SCAN_SSIDS,
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- NL80211_ATTR_SCAN_GENERATION,
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+ NL80211_ATTR_GENERATION, /* replaces old SCAN_GENERATION */
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NL80211_ATTR_BSS,
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NL80211_ATTR_REG_INITIATOR,
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@@ -701,12 +712,17 @@ enum nl80211_attrs {
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NL80211_ATTR_KEY,
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NL80211_ATTR_KEYS,
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+ NL80211_ATTR_PID,
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+
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/* add attributes here, update the policy in nl80211.c */
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__NL80211_ATTR_AFTER_LAST,
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NL80211_ATTR_MAX = __NL80211_ATTR_AFTER_LAST - 1
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};
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+/* source-level API compatibility */
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+#define NL80211_ATTR_SCAN_GENERATION NL80211_ATTR_GENERATION
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+
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/*
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* Allow user space programs to use #ifdef on new attributes by defining them
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* here
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--- a/phy.c
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+++ b/phy.c
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@@ -140,3 +140,27 @@ static int handle_rts(struct nl80211_sta
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COMMAND(set, rts, "<rts threshold|off>",
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NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_rts,
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"Set rts threshold.");
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+
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+static int handle_netns(struct nl80211_state *state,
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+ struct nl_cb *cb,
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+ struct nl_msg *msg,
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+ int argc, char **argv)
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+{
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+ char *end;
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+
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+ if (argc != 1)
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+ return 1;
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+
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+ NLA_PUT_U32(msg, NL80211_ATTR_PID,
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+ strtoul(argv[0], &end, 10));
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+
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+ if (*end != '\0')
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+ return 1;
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+
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+ return 0;
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+ nla_put_failure:
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+ return -ENOBUFS;
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+}
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+COMMAND(set, netns, "<pid>",
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+ NL80211_CMD_SET_WIPHY_NETNS, 0, CIB_PHY, handle_netns,
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+ "Put this wireless device into a different network namespace");
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--- a/station.c
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+++ b/station.c
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@@ -127,7 +127,7 @@ static int print_sta_handler(struct nl_m
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printf("\n\tmesh plid:\t%d",
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nla_get_u16(sinfo[NL80211_STA_INFO_PLID]));
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if (sinfo[NL80211_STA_INFO_PLINK_STATE]) {
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- switch (nla_get_u16(sinfo[NL80211_STA_INFO_PLINK_STATE])) {
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+ switch (nla_get_u8(sinfo[NL80211_STA_INFO_PLINK_STATE])) {
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case LISTEN:
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strcpy(state_name, "LISTEN");
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break;
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76
package/iw/patches/100-4addr.patch
Normal file
76
package/iw/patches/100-4addr.patch
Normal file
@ -0,0 +1,76 @@
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--- a/interface.c
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+++ b/interface.c
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@@ -137,6 +137,20 @@ static int get_if_type(int *argc, char *
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return 2;
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}
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+static int parse_wds_flag(const char *value, struct nl_msg *msg)
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+{
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+ if (strcmp(value, "on") == 0)
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+ NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 1);
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+ else if (strcmp(value, "off") == 0)
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+ NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 0);
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+ else
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+ return 1;
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+ return 0;
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+
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+nla_put_failure:
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+ return 1;
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+}
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+
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static int handle_interface_add(struct nl80211_state *state,
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struct nl_cb *cb,
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struct nl_msg *msg,
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@@ -168,6 +182,15 @@ static int handle_interface_add(struct n
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mesh_id = argv[0];
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argc--;
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argv++;
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+ } else if (strcmp(argv[0], "wds") == 0) {
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+ argc--;
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+ argv++;
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+ if (parse_wds_flag(argv[0], msg)) {
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+ fprintf(stderr, "wds error\n");
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+ return 2;
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+ }
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+ argc--;
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+ argv++;
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} else if (strcmp(argv[0], "flags") == 0) {
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argc--;
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argv++;
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@@ -192,14 +215,14 @@ static int handle_interface_add(struct n
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nla_put_failure:
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return -ENOBUFS;
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}
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-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [flags <flag>*]",
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+COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [wds on|off] [flags <flag>*]",
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NL80211_CMD_NEW_INTERFACE, 0, CIB_PHY, handle_interface_add,
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"Add a new virtual interface with the given configuration.\n"
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IFACE_TYPES "\n\n"
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"The flags are only used for monitor interfaces, valid flags are:\n"
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VALID_FLAGS "\n\n"
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"The mesh_id is used only for mesh mode.");
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-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [flags <flag>*]",
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+COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [wds on|off] [flags <flag>*]",
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NL80211_CMD_NEW_INTERFACE, 0, CIB_NETDEV, handle_interface_add, NULL);
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static int handle_interface_del(struct nl80211_state *state,
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--- a/nl80211.h
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+++ b/nl80211.h
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@@ -584,6 +584,8 @@ enum nl80211_commands {
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* changed then the list changed and the dump should be repeated
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* completely from scratch.
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*
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+ * @NL80211_ATTR_4ADDR: Use 4-address frames on a virtual interface
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+ *
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* @NL80211_ATTR_MAX: highest attribute number currently defined
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* @__NL80211_ATTR_AFTER_LAST: internal use
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*/
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@@ -714,6 +716,8 @@ enum nl80211_attrs {
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NL80211_ATTR_PID,
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+ NL80211_ATTR_4ADDR,
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+
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/* add attributes here, update the policy in nl80211.c */
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__NL80211_ATTR_AFTER_LAST,
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69
package/iw/patches/110-sta_vlan.patch
Normal file
69
package/iw/patches/110-sta_vlan.patch
Normal file
@ -0,0 +1,69 @@
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--- a/station.c
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+++ b/station.c
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@@ -196,7 +196,7 @@ COMMAND(station, del, "<MAC address>",
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NL80211_CMD_DEL_STATION, 0, CIB_NETDEV, handle_station_get,
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"Remove the given station entry (use with caution!)");
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-static int handle_station_set(struct nl80211_state *state,
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+static int handle_station_set_plink(struct nl80211_state *state,
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struct nl_cb *cb,
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struct nl_msg *msg,
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int argc, char **argv)
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@@ -241,9 +241,56 @@ static int handle_station_set(struct nl8
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return -ENOBUFS;
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}
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COMMAND(station, set, "<MAC address> plink_action <open|block>",
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- NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set,
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+ NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_plink,
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"Set mesh peer link action for this station (peer).");
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+static int handle_station_set_vlan(struct nl80211_state *state,
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+ struct nl_cb *cb,
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+ struct nl_msg *msg,
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+ int argc, char **argv)
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+{
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+ unsigned char mac_addr[ETH_ALEN];
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+ unsigned long sta_vlan = 0;
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+ char *err = NULL;
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+
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+ if (argc < 3)
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+ return 1;
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+
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+ if (mac_addr_a2n(mac_addr, argv[0])) {
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+ fprintf(stderr, "invalid mac address\n");
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+ return 2;
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+ }
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+ argc--;
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+ argv++;
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+
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+ if (strcmp("vlan", argv[0]) != 0)
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+ return 1;
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+ argc--;
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+ argv++;
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+
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+ sta_vlan = strtoul(argv[0], &err, 0);
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+ if (err && *err) {
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+ fprintf(stderr, "invalid vlan id\n");
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+ return 2;
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+ }
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+ argc--;
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+ argv++;
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+
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+ if (argc)
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+ return 1;
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+
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+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
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+ NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN, sta_vlan);
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+
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+ return 0;
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+ nla_put_failure:
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+ return -ENOBUFS;
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+}
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+COMMAND(station, set, "<MAC address> vlan <ifindex>",
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+ NL80211_CMD_SET_STATION, 0, CIB_NETDEV, handle_station_set_vlan,
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+ "Set an AP VLAN for this station.");
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+
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+
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static int handle_station_dump(struct nl80211_state *state,
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struct nl_cb *cb,
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struct nl_msg *msg,
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@ -104,6 +104,7 @@ enable_mac80211() {
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config_get enc "$vif" encryption
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config_get mode "$vif" mode
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config_get ssid "$vif" ssid
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config_get_bool wds "$vif" wds 0
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# It is far easier to delete and create the desired interface
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case "$mode" in
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@ -123,7 +124,9 @@ enable_mac80211() {
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iw phy "$phy" interface add "$ifname" type monitor
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;;
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sta)
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iw phy "$phy" interface add "$ifname" type managed
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local wdsflag
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[ "$wds" -gt 0 ] && wdsflag="wds on"
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iw phy "$phy" interface add "$ifname" type managed $wdsflag
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;;
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esac
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|
69
package/mac80211/patches/500-nl80211_4addr.patch
Normal file
69
package/mac80211/patches/500-nl80211_4addr.patch
Normal file
@ -0,0 +1,69 @@
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--- a/include/linux/nl80211.h
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+++ b/include/linux/nl80211.h
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@@ -584,6 +584,8 @@ enum nl80211_commands {
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* changed then the list changed and the dump should be repeated
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* completely from scratch.
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*
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+ * @NL80211_ATTR_4ADDR: Use 4-address frames on a virtual interface
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+ *
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* @NL80211_ATTR_MAX: highest attribute number currently defined
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* @__NL80211_ATTR_AFTER_LAST: internal use
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*/
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@@ -714,6 +716,8 @@ enum nl80211_attrs {
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NL80211_ATTR_PID,
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+ NL80211_ATTR_4ADDR,
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+
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/* add attributes here, update the policy in nl80211.c */
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__NL80211_ATTR_AFTER_LAST,
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--- a/include/net/cfg80211.h
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+++ b/include/net/cfg80211.h
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@@ -207,10 +207,12 @@ struct ieee80211_supported_band {
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* struct vif_params - describes virtual interface parameters
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* @mesh_id: mesh ID to use
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* @mesh_id_len: length of the mesh ID
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+ * @use_4addr: use 4-address frames
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*/
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struct vif_params {
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u8 *mesh_id;
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int mesh_id_len;
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+ int use_4addr;
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};
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|
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/**
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--- a/net/wireless/nl80211.c
|
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+++ b/net/wireless/nl80211.c
|
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@@ -140,6 +140,7 @@ static struct nla_policy nl80211_policy[
|
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[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
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[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
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[NL80211_ATTR_PID] = { .type = NLA_U32 },
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+ [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
|
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};
|
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|
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/* policy for the attributes */
|
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@@ -989,6 +990,13 @@ static int nl80211_set_interface(struct
|
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change = true;
|
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}
|
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|
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+ if (info->attrs[NL80211_ATTR_4ADDR]) {
|
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+ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
|
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+ change = true;
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+ } else {
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+ params.use_4addr = -1;
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+ }
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+
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if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) {
|
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if (ntype != NL80211_IFTYPE_MONITOR) {
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err = -EINVAL;
|
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@@ -1055,6 +1063,9 @@ static int nl80211_new_interface(struct
|
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params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
|
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}
|
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|
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+ if (info->attrs[NL80211_ATTR_4ADDR])
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+ params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]);
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+
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err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
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info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
|
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&flags);
|
260
package/mac80211/patches/510-mac80211_4addr_vlan.patch
Normal file
260
package/mac80211/patches/510-mac80211_4addr_vlan.patch
Normal file
@ -0,0 +1,260 @@
|
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--- a/net/mac80211/ieee80211_i.h
|
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+++ b/net/mac80211/ieee80211_i.h
|
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@@ -208,6 +208,9 @@ struct ieee80211_if_wds {
|
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|
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struct ieee80211_if_vlan {
|
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struct list_head list;
|
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+
|
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+ /* used for all tx if the VLAN is configured to 4-addr mode */
|
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+ struct sta_info *sta;
|
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};
|
||||
|
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struct mesh_stats {
|
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@@ -457,6 +460,8 @@ struct ieee80211_sub_if_data {
|
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int force_unicast_rateidx; /* forced TX rateidx for unicast frames */
|
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int max_ratectrl_rateidx; /* max TX rateidx for rate control */
|
||||
|
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+ bool use_4addr; /* use 4-address frames */
|
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+
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union {
|
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struct ieee80211_if_ap ap;
|
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struct ieee80211_if_wds wds;
|
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--- a/net/mac80211/cfg.c
|
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+++ b/net/mac80211/cfg.c
|
||||
@@ -36,6 +36,24 @@ static bool nl80211_type_check(enum nl80
|
||||
}
|
||||
}
|
||||
|
||||
+static bool nl80211_params_check(enum nl80211_iftype type,
|
||||
+ struct vif_params *params)
|
||||
+{
|
||||
+ if (!nl80211_type_check(type))
|
||||
+ return false;
|
||||
+
|
||||
+ if (params->use_4addr > 0) {
|
||||
+ switch(type) {
|
||||
+ case NL80211_IFTYPE_AP_VLAN:
|
||||
+ case NL80211_IFTYPE_STATION:
|
||||
+ break;
|
||||
+ default:
|
||||
+ return false;
|
||||
+ }
|
||||
+ }
|
||||
+ return true;
|
||||
+}
|
||||
+
|
||||
static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
|
||||
enum nl80211_iftype type, u32 *flags,
|
||||
struct vif_params *params)
|
||||
@@ -45,7 +63,7 @@ static int ieee80211_add_iface(struct wi
|
||||
struct ieee80211_sub_if_data *sdata;
|
||||
int err;
|
||||
|
||||
- if (!nl80211_type_check(type))
|
||||
+ if (!nl80211_params_check(type, params))
|
||||
return -EINVAL;
|
||||
|
||||
err = ieee80211_if_add(local, name, &dev, type, params);
|
||||
@@ -75,7 +93,7 @@ static int ieee80211_change_iface(struct
|
||||
if (netif_running(dev))
|
||||
return -EBUSY;
|
||||
|
||||
- if (!nl80211_type_check(type))
|
||||
+ if (!nl80211_params_check(type, params))
|
||||
return -EINVAL;
|
||||
|
||||
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
||||
@@ -89,6 +107,9 @@ static int ieee80211_change_iface(struct
|
||||
params->mesh_id_len,
|
||||
params->mesh_id);
|
||||
|
||||
+ if (params->use_4addr >= 0)
|
||||
+ sdata->use_4addr = !!params->use_4addr;
|
||||
+
|
||||
if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
|
||||
return 0;
|
||||
|
||||
@@ -806,6 +827,13 @@ static int ieee80211_change_station(stru
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
+ if (vlansdata->use_4addr) {
|
||||
+ if (vlansdata->u.vlan.sta)
|
||||
+ return -EBUSY;
|
||||
+
|
||||
+ rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
|
||||
+ }
|
||||
+
|
||||
sta->sdata = vlansdata;
|
||||
ieee80211_send_layer2_update(sta);
|
||||
}
|
||||
--- a/net/mac80211/sta_info.c
|
||||
+++ b/net/mac80211/sta_info.c
|
||||
@@ -489,6 +489,9 @@ static void __sta_info_unlink(struct sta
|
||||
local->num_sta--;
|
||||
local->sta_generation++;
|
||||
|
||||
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
|
||||
+ rcu_assign_pointer(sdata->u.vlan.sta, NULL);
|
||||
+
|
||||
if (local->ops->sta_notify) {
|
||||
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
|
||||
sdata = container_of(sdata->bss,
|
||||
--- a/net/mac80211/tx.c
|
||||
+++ b/net/mac80211/tx.c
|
||||
@@ -1046,7 +1046,10 @@ ieee80211_tx_prepare(struct ieee80211_su
|
||||
|
||||
hdr = (struct ieee80211_hdr *) skb->data;
|
||||
|
||||
- tx->sta = sta_info_get(local, hdr->addr1);
|
||||
+ if ((sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && sdata->use_4addr)
|
||||
+ tx->sta = rcu_dereference(sdata->u.vlan.sta);
|
||||
+ if (!tx->sta)
|
||||
+ tx->sta = sta_info_get(local, hdr->addr1);
|
||||
|
||||
if (tx->sta && ieee80211_is_data_qos(hdr->frame_control) &&
|
||||
(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION)) {
|
||||
@@ -1608,7 +1611,7 @@ netdev_tx_t ieee80211_subif_start_xmit(s
|
||||
const u8 *encaps_data;
|
||||
int encaps_len, skip_header_bytes;
|
||||
int nh_pos, h_pos;
|
||||
- struct sta_info *sta;
|
||||
+ struct sta_info *sta = NULL;
|
||||
u32 sta_flags = 0;
|
||||
|
||||
if (unlikely(skb->len < ETH_HLEN)) {
|
||||
@@ -1625,8 +1628,25 @@ netdev_tx_t ieee80211_subif_start_xmit(s
|
||||
fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA);
|
||||
|
||||
switch (sdata->vif.type) {
|
||||
- case NL80211_IFTYPE_AP:
|
||||
case NL80211_IFTYPE_AP_VLAN:
|
||||
+ rcu_read_lock();
|
||||
+ if (sdata->use_4addr)
|
||||
+ sta = rcu_dereference(sdata->u.vlan.sta);
|
||||
+ if (sta) {
|
||||
+ fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
|
||||
+ /* RA TA DA SA */
|
||||
+ memcpy(hdr.addr1, sta->sta.addr, ETH_ALEN);
|
||||
+ memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
|
||||
+ memcpy(hdr.addr3, skb->data, ETH_ALEN);
|
||||
+ memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
|
||||
+ hdrlen = 30;
|
||||
+ sta_flags = get_sta_flags(sta);
|
||||
+ }
|
||||
+ rcu_read_unlock();
|
||||
+ if (sta)
|
||||
+ break;
|
||||
+ /* fall through */
|
||||
+ case NL80211_IFTYPE_AP:
|
||||
fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS);
|
||||
/* DA BSSID SA */
|
||||
memcpy(hdr.addr1, skb->data, ETH_ALEN);
|
||||
@@ -1700,12 +1720,21 @@ netdev_tx_t ieee80211_subif_start_xmit(s
|
||||
break;
|
||||
#endif
|
||||
case NL80211_IFTYPE_STATION:
|
||||
- fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
|
||||
- /* BSSID SA DA */
|
||||
memcpy(hdr.addr1, sdata->u.mgd.bssid, ETH_ALEN);
|
||||
- memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
|
||||
- memcpy(hdr.addr3, skb->data, ETH_ALEN);
|
||||
- hdrlen = 24;
|
||||
+ if (sdata->use_4addr && ethertype != ETH_P_PAE) {
|
||||
+ fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS);
|
||||
+ /* RA TA DA SA */
|
||||
+ memcpy(hdr.addr2, dev->dev_addr, ETH_ALEN);
|
||||
+ memcpy(hdr.addr3, skb->data, ETH_ALEN);
|
||||
+ memcpy(hdr.addr4, skb->data + ETH_ALEN, ETH_ALEN);
|
||||
+ hdrlen = 30;
|
||||
+ } else {
|
||||
+ fc |= cpu_to_le16(IEEE80211_FCTL_TODS);
|
||||
+ /* BSSID SA DA */
|
||||
+ memcpy(hdr.addr2, skb->data + ETH_ALEN, ETH_ALEN);
|
||||
+ memcpy(hdr.addr3, skb->data, ETH_ALEN);
|
||||
+ hdrlen = 24;
|
||||
+ }
|
||||
break;
|
||||
case NL80211_IFTYPE_ADHOC:
|
||||
/* DA SA BSSID */
|
||||
--- a/net/mac80211/iface.c
|
||||
+++ b/net/mac80211/iface.c
|
||||
@@ -772,6 +772,7 @@ int ieee80211_if_change_type(struct ieee
|
||||
ieee80211_mandatory_rates(sdata->local,
|
||||
sdata->local->hw.conf.channel->band);
|
||||
sdata->drop_unencrypted = 0;
|
||||
+ sdata->use_4addr = 0;
|
||||
|
||||
return 0;
|
||||
}
|
||||
@@ -853,6 +854,9 @@ int ieee80211_if_add(struct ieee80211_lo
|
||||
params->mesh_id_len,
|
||||
params->mesh_id);
|
||||
|
||||
+ if (params && params->use_4addr >= 0)
|
||||
+ sdata->use_4addr = !!params->use_4addr;
|
||||
+
|
||||
mutex_lock(&local->iflist_mtx);
|
||||
list_add_tail_rcu(&sdata->list, &local->interfaces);
|
||||
mutex_unlock(&local->iflist_mtx);
|
||||
--- a/net/mac80211/rx.c
|
||||
+++ b/net/mac80211/rx.c
|
||||
@@ -1237,6 +1237,13 @@ __ieee80211_data_to_8023(struct ieee8021
|
||||
{
|
||||
struct net_device *dev = rx->dev;
|
||||
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
||||
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
|
||||
+
|
||||
+ if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->use_4addr &&
|
||||
+ ieee80211_has_a4(hdr->frame_control))
|
||||
+ return -1;
|
||||
+ if (sdata->use_4addr && is_multicast_ether_addr(hdr->addr1))
|
||||
+ return -1;
|
||||
|
||||
return ieee80211_data_to_8023(rx->skb, dev->dev_addr, sdata->vif.type);
|
||||
}
|
||||
@@ -1590,6 +1597,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_
|
||||
{
|
||||
struct net_device *dev = rx->dev;
|
||||
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
|
||||
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
||||
__le16 fc = hdr->frame_control;
|
||||
int err;
|
||||
|
||||
@@ -1599,6 +1607,14 @@ ieee80211_rx_h_data(struct ieee80211_rx_
|
||||
if (unlikely(!ieee80211_is_data_present(hdr->frame_control)))
|
||||
return RX_DROP_MONITOR;
|
||||
|
||||
+ /*
|
||||
+ * Allow the cooked monitor interface of an AP to see 4-addr frames so
|
||||
+ * that a 4-addr station can be detected and moved into a separate VLAN
|
||||
+ */
|
||||
+ if (ieee80211_has_a4(hdr->frame_control) &&
|
||||
+ sdata->vif.type == NL80211_IFTYPE_AP)
|
||||
+ return RX_DROP_MONITOR;
|
||||
+
|
||||
err = __ieee80211_data_to_8023(rx);
|
||||
if (unlikely(err))
|
||||
return RX_DROP_UNUSABLE;
|
||||
@@ -2039,7 +2055,7 @@ static int prepare_for_handlers(struct i
|
||||
|
||||
switch (sdata->vif.type) {
|
||||
case NL80211_IFTYPE_STATION:
|
||||
- if (!bssid)
|
||||
+ if (!bssid && !sdata->use_4addr)
|
||||
return 0;
|
||||
if (!multicast &&
|
||||
compare_ether_addr(sdata->dev->dev_addr, hdr->addr1) != 0) {
|
||||
--- a/net/wireless/util.c
|
||||
+++ b/net/wireless/util.c
|
||||
@@ -320,7 +320,9 @@ int ieee80211_data_to_8023(struct sk_buf
|
||||
break;
|
||||
case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
|
||||
if (unlikely(iftype != NL80211_IFTYPE_WDS &&
|
||||
- iftype != NL80211_IFTYPE_MESH_POINT))
|
||||
+ iftype != NL80211_IFTYPE_MESH_POINT &&
|
||||
+ iftype != NL80211_IFTYPE_AP_VLAN &&
|
||||
+ iftype != NL80211_IFTYPE_STATION))
|
||||
return -1;
|
||||
if (iftype == NL80211_IFTYPE_MESH_POINT) {
|
||||
struct ieee80211s_hdr *meshdr =
|
Loading…
Reference in New Issue
Block a user