Build a karma variant of madwifi

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9316 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/madwifi/Makefile b/package/madwifi/Makefile
index 06b3bb6c585eb5ef2d82bd6084e5215c49357cad..f4f7fcd8b615a9323dbb9704c9276d4365b50915 100644 (file)
--- a/package/madwifi/Makefile
+++ b/package/madwifi/Makefile
@@ -103,6 +103,17 @@ define KernelPackage/madwifi/description
  This package contains a driver for Atheros 802.11a/b/g chipsets.
 endef
 
+define KernelPackage/madwifi-karma
+  $(call KernelPackage/madwifi)
+  TITLE:=Madwifi for Karma support
+  URL:=http://www.digininja.org/
+endef
+
+define KernelPackage/madwifi-karma/description
+  This package contains a modified driver to be used with 
+  the Karma software for Atheros 802.11a/b/g chipsets.
+endef
+
 MAKE_ARGS:= \
        PATH="$(TARGET_PATH)" \
        ARCH="$(LINUX_KARCH)" \
@@ -135,6 +146,9 @@ endif
 
 define Build/Configure
        $(SED) 's,-E[LB] ,,g' $(PKG_BUILD_DIR)/hal/public/*.inc
+ifneq ($(CONFIG_PACKAGE_kmod-madwifi-karma),)
+       $(PATCH) $(PKG_BUILD_DIR) ./files
+endif
 endef
 
 define Build/Compile
@@ -160,4 +174,12 @@ define KernelPackage/madwifi/install
        $(CP) $(PKG_BUILD_DIR)/tools/{madwifi_multi,80211stats,athchans,athctrl,athkey,athstats,wlanconfig} $(1)/usr/sbin/
 endef
 
+define KernelPackage/madwifi-karma/install
+       $(INSTALL_DIR) $(1)/lib/wifi
+       $(INSTALL_DATA) ./files/lib/wifi/madwifi.sh $(1)/lib/wifi
+       $(INSTALL_DIR) $(1)/usr/sbin
+       $(CP) $(PKG_BUILD_DIR)/tools/{madwifi_multi,80211stats,athchans,athctrl,athkey,athstats,wlanconfig} $(1)/usr/sbin/
+endef
+
 $(eval $(call KernelPackage,madwifi))
+$(eval $(call KernelPackage,madwifi-karma))

diff --git a/package/madwifi/files/karma.patch b/package/madwifi/files/karma.patch
new file mode 100644 (file)
index 0000000..56d2301
--- /dev/null
+++ b/package/madwifi/files/karma.patch
@@ -0,0 +1,94 @@
+diff -urN madwifi-ng-r2568-20070710/net80211/ieee80211_input.c madwifi-ng-r2568-20070710.new/net80211/ieee80211_input.c
+--- madwifi-ng-r2568-20070710/net80211/ieee80211_input.c       2007-10-14 12:52:10.000000000 +0200
++++ madwifi-ng-r2568-20070710.new/net80211/ieee80211_input.c   2007-10-14 12:57:27.000000000 +0200
+@@ -1625,7 +1625,8 @@
+ } while (0)
+ 
+ #ifdef IEEE80211_DEBUG
+-static void
++/* Not used by karma
++ * static void
+ ieee80211_ssid_mismatch(struct ieee80211vap *vap, const char *tag,
+       u_int8_t mac[IEEE80211_ADDR_LEN], u_int8_t *ssid)
+ {
+@@ -1634,7 +1635,7 @@
+       ieee80211_print_essid(ssid + 2, ssid[1]);
+       printf("\n");
+ }
+-
++*/
+ #define       IEEE80211_VERIFY_SSID(_ni, _ssid) do {                          \
+       if ((_ssid)[1] != 0 &&                                          \
+           ((_ssid)[1] != (_ni)->ni_esslen ||                          \
+@@ -2993,7 +2994,8 @@
+                       return;
+               IEEE80211_VERIFY_ELEMENT(rates, IEEE80211_RATE_MAXSIZE);
+               IEEE80211_VERIFY_ELEMENT(ssid, IEEE80211_NWID_LEN);
+-              IEEE80211_VERIFY_SSID(vap->iv_bss, ssid);
++              // KARMA: Don't verify SSID on Probe Requests
++              //IEEE80211_VERIFY_SSID(vap->iv_bss, ssid);
+               if ((vap->iv_flags & IEEE80211_F_HIDESSID) && ssid[1] == 0) {
+                       IEEE80211_DISCARD(vap, IEEE80211_MSG_INPUT,
+                               wh, ieee80211_mgt_subtype_name[subtype >>
+@@ -3041,6 +3043,12 @@
+                                       IEEE80211_FC0_SUBTYPE_SHIFT],
+                               "%s", "recv'd rate set invalid");
+               } else {
++                      // KARMA: Print the probe response if in adhoc mode
++                      if (vap->iv_opmode == IEEE80211_M_IBSS) {
++                              printf ("KARMA: Probe response for [");
++                              ieee80211_print_essid(ssid + 2, ssid[1]);
++                              printf ("]\n");
++                      }
+                       IEEE80211_SEND_MGMT(ni,
+                               IEEE80211_FC0_SUBTYPE_PROBE_RESP, 0);
+               }
+@@ -3229,7 +3237,8 @@
+                       return;
+               IEEE80211_VERIFY_ELEMENT(rates, IEEE80211_RATE_MAXSIZE);
+               IEEE80211_VERIFY_ELEMENT(ssid, IEEE80211_NWID_LEN);
+-              IEEE80211_VERIFY_SSID(vap->iv_bss, ssid);
++              // KARMA: Don't verify SSID on Association Requests
++              //IEEE80211_VERIFY_SSID(vap->iv_bss, ssid);
+ 
+               if (ni == vap->iv_bss) {
+                       IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, wh->i_addr2,
+@@ -3408,6 +3417,13 @@
+ 
+               /* Send TGf L2UF frame on behalf of newly associated station */
+               ieee80211_deliver_l2uf(ni);
++
++              // KARMA: Log SSID that client thinks they are associating to
++              printf("KARMA: Node [%s] associating to ssid [",
++                      ether_sprintf(wh->i_addr2)); 
++              ieee80211_print_essid(ssid + 2, ssid[1]);
++              printf("]\n");
++
+               ieee80211_node_join(ni, resp);
+ #ifdef ATH_SUPERG_XR
+               if (ni->ni_prev_vap &&
+diff -urN madwifi-ng-r2568-20070710/net80211/ieee80211_output.c madwifi-ng-r2568-20070710.new/net80211/ieee80211_output.c
+--- madwifi-ng-r2568-20070710/net80211/ieee80211_output.c      2007-10-14 12:52:10.000000000 +0200
++++ madwifi-ng-r2568-20070710.new/net80211/ieee80211_output.c  2007-10-14 12:58:53.000000000 +0200
+@@ -1876,10 +1876,17 @@
+               *(__le16 *)frm = htole16(capinfo);
+               frm += 2;
+ 
+-              /* ssid */
+-              frm = ieee80211_add_ssid(frm, vap->iv_bss->ni_essid,
+-                      vap->iv_bss->ni_esslen);
+-
++              // KARMA: If argument is specified, on PROBE_RESP, it is
++              // the SSID to use in the response which is the same SSID
++              // has the client sent).
++              if (arg) {
++                      u_int8_t* ssid = (u_int8_t*)arg;
++                      frm = ieee80211_add_ssid(frm, ssid + 2, ssid[1]);
++              } else {
++                      /* ssid */
++                      frm = ieee80211_add_ssid(frm, vap->iv_bss->ni_essid,
++                              vap->iv_bss->ni_esslen);
++              }
+               /* supported rates */
+               frm = ieee80211_add_rates(frm, &ni->ni_rates);
+