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authorFlorian Fainelli <florian@openwrt.org>2008-07-07 14:41:48 +0000
committerFlorian Fainelli <florian@openwrt.org>2008-07-07 14:41:48 +0000
commitefd3eac055b1504ab362f2cc2874539a63d7f7bc (patch)
tree31cc17713a5c9a25c2b1f97d0bd33befd4e0c59f
parentc4f83e0b0c1c6b4267965b0e9fda10efbbae19c3 (diff)
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Update libpcap to 0.9.8 (#3571)
SVN-Revision: 11742
-rw-r--r--package/libpcap/Makefile6
-rw-r--r--package/libpcap/patches/100-shared-lib.patch22
-rw-r--r--package/libpcap/patches/101-cross-compile-fix.patch8
-rw-r--r--package/libpcap/patches/102-alt-ether.patch20
-rw-r--r--package/libpcap/patches/103-flex_workaround.patch8
-rw-r--r--package/libpcap/patches/104-no_rej_files.patch469
6 files changed, 496 insertions, 37 deletions
diff --git a/package/libpcap/Makefile b/package/libpcap/Makefile
index d7956a61b8..ed048a4ed3 100644
--- a/package/libpcap/Makefile
+++ b/package/libpcap/Makefile
@@ -9,12 +9,12 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=libpcap
-PKG_VERSION:=0.9.4
+PKG_VERSION:=0.9.8
PKG_RELEASE:=1
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://www.tcpdump.org/release/
-PKG_MD5SUM:=79025766e8027df154cb1f32de8a7974
+PKG_MD5SUM:=5208f24d0328ee7c20b52c43eaa9aa0e
include $(INCLUDE_DIR)/package.mk
@@ -26,7 +26,7 @@ define Package/libpcap
endef
define Package/libpcap/description
- This package contains a system-independent library for user-level network
+ This package contains a system-independent library for user-level network
packet capture.
endef
diff --git a/package/libpcap/patches/100-shared-lib.patch b/package/libpcap/patches/100-shared-lib.patch
index 2ca9f51bd1..aae77f8e72 100644
--- a/package/libpcap/patches/100-shared-lib.patch
+++ b/package/libpcap/patches/100-shared-lib.patch
@@ -1,14 +1,12 @@
-Index: libpcap-0.9.4/Makefile.in
-===================================================================
---- libpcap-0.9.4.orig/Makefile.in 2007-06-04 13:22:03.547316008 +0200
-+++ libpcap-0.9.4/Makefile.in 2007-06-04 13:22:03.614305824 +0200
+--- a/Makefile.in
++++ b/Makefile.in
@@ -37,6 +37,15 @@
srcdir = @srcdir@
VPATH = @srcdir@
+# some defines for shared library compilation
+MAJ=0.9
-+MIN=4
++MIN=8
+VERSION=$(MAJ).$(MIN)
+LIBNAME=pcap
+LIBRARY=lib$(LIBNAME).a
@@ -18,7 +16,7 @@ Index: libpcap-0.9.4/Makefile.in
#
# You shouldn't need to edit anything below.
#
-@@ -50,6 +59,7 @@
+@@ -52,6 +61,7 @@
# Standard CFLAGS
CFLAGS = $(CCOPT) $(INCLS) $(DEFS)
@@ -26,7 +24,7 @@ Index: libpcap-0.9.4/Makefile.in
INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
-@@ -70,7 +80,12 @@
+@@ -72,7 +82,12 @@
.c.o:
@rm -f $@
$(CC) $(CFLAGS) -c $(srcdir)/$*.c
@@ -39,7 +37,7 @@ Index: libpcap-0.9.4/Makefile.in
PSRC = pcap-@V_PCAP@.c
FSRC = fad-@V_FINDALLDEVS@.c
SSRC = @SSRC@
-@@ -84,6 +99,7 @@
+@@ -86,6 +101,7 @@
# We would like to say "OBJ = $(SRC:.c=.o)" but Ultrix's make cannot
# hack the extra indirection
OBJ = $(PSRC:.c=.o) $(FSRC:.c=.o) $(CSRC:.c=.o) $(SSRC:.c=.o) $(GENSRC:.c=.o) $(LIBOBJS)
@@ -47,7 +45,7 @@ Index: libpcap-0.9.4/Makefile.in
HDR = pcap.h pcap-int.h pcap-namedb.h pcap-nit.h pcap-pf.h \
ethertype.h gencode.h gnuc.h
GENHDR = \
-@@ -95,15 +111,23 @@
+@@ -97,15 +113,23 @@
TAGFILES = \
$(SRC) $(HDR) $(TAGHDR)
@@ -73,7 +71,7 @@ Index: libpcap-0.9.4/Makefile.in
shared: libpcap.$(DYEXT)
#
-@@ -129,6 +153,10 @@
+@@ -131,6 +155,10 @@
scanner.o: scanner.c tokdefs.h
$(CC) $(CFLAGS) -c scanner.c
@@ -84,7 +82,7 @@ Index: libpcap-0.9.4/Makefile.in
pcap.o: version.h
tokdefs.h: grammar.c
-@@ -142,9 +170,16 @@
+@@ -144,9 +172,16 @@
@rm -f $@
$(CC) $(CFLAGS) -Dyylval=pcap_lval -c grammar.c
@@ -101,7 +99,7 @@ Index: libpcap-0.9.4/Makefile.in
snprintf.o: $(srcdir)/missing/snprintf.c
$(CC) $(CFLAGS) -o $@ -c $(srcdir)/missing/snprintf.c
-@@ -170,10 +205,17 @@
+@@ -172,10 +207,17 @@
bpf_filter.o: bpf_filter.c
$(CC) $(CFLAGS) -c bpf_filter.c
diff --git a/package/libpcap/patches/101-cross-compile-fix.patch b/package/libpcap/patches/101-cross-compile-fix.patch
index e73b4c9c24..2f166c8491 100644
--- a/package/libpcap/patches/101-cross-compile-fix.patch
+++ b/package/libpcap/patches/101-cross-compile-fix.patch
@@ -1,8 +1,6 @@
-Index: libpcap-0.9.4/Makefile.in
-===================================================================
---- libpcap-0.9.4.orig/Makefile.in 2007-06-04 13:22:03.614305824 +0200
-+++ libpcap-0.9.4/Makefile.in 2007-06-04 13:22:03.799277704 +0200
-@@ -117,7 +117,7 @@
+--- a/Makefile.in
++++ b/Makefile.in
+@@ -119,7 +119,7 @@
libpcap.a: $(OBJ)
@rm -f $@
diff --git a/package/libpcap/patches/102-alt-ether.patch b/package/libpcap/patches/102-alt-ether.patch
index 5f356ca990..e9cc15ff36 100644
--- a/package/libpcap/patches/102-alt-ether.patch
+++ b/package/libpcap/patches/102-alt-ether.patch
@@ -1,7 +1,5 @@
-Index: libpcap-0.9.4/nametoaddr.c
-===================================================================
---- libpcap-0.9.4.orig/nametoaddr.c 2007-06-04 13:22:03.499323304 +0200
-+++ libpcap-0.9.4/nametoaddr.c 2007-06-04 13:22:03.986249280 +0200
+--- a/nametoaddr.c
++++ b/nametoaddr.c
@@ -410,7 +410,7 @@
e = ep = (u_char *)malloc(6);
@@ -11,19 +9,17 @@ Index: libpcap-0.9.4/nametoaddr.c
s += 1;
d = xdtoi(*s++);
if (isxdigit((unsigned char)*s)) {
-Index: libpcap-0.9.4/scanner.l
-===================================================================
---- libpcap-0.9.4.orig/scanner.l 2007-06-04 13:22:03.506322240 +0200
-+++ libpcap-0.9.4/scanner.l 2007-06-04 13:22:03.987249128 +0200
+--- a/scanner.l
++++ b/scanner.l
@@ -80,6 +80,7 @@
N ([0-9]+|(0X|0x)[0-9A-Fa-f]+)
B ([0-9A-Fa-f][0-9A-Fa-f]?)
W ([0-9A-Fa-f][0-9A-Fa-f]?[0-9A-Fa-f]?[0-9A-Fa-f]?)
+X [0-9A-Fa-f]
- %a 16000
- %o 19000
-@@ -306,7 +307,7 @@
+ %a 18400
+ %o 21500
+@@ -310,7 +311,7 @@
{N} { yylval.i = stoi((char *)yytext); return NUM; }
({N}\.{N})|({N}\.{N}\.{N})|({N}\.{N}\.{N}\.{N}) {
yylval.s = sdup((char *)yytext); return HID; }
@@ -32,7 +28,7 @@ Index: libpcap-0.9.4/scanner.l
return EID; }
{V6} {
#ifdef INET6
-@@ -324,6 +325,7 @@
+@@ -328,6 +329,7 @@
#endif /*INET6*/
}
{B}:+({B}:+)+ { bpf_error("bogus ethernet address %s", yytext); }
diff --git a/package/libpcap/patches/103-flex_workaround.patch b/package/libpcap/patches/103-flex_workaround.patch
index 19848979b4..014c624d4a 100644
--- a/package/libpcap/patches/103-flex_workaround.patch
+++ b/package/libpcap/patches/103-flex_workaround.patch
@@ -1,10 +1,8 @@
Copyright (C) 2006 Markus Wigge
-Index: libpcap-0.9.4/Makefile.in
-===================================================================
---- libpcap-0.9.4.orig/Makefile.in 2007-06-04 13:22:03.799277704 +0200
-+++ libpcap-0.9.4/Makefile.in 2007-06-04 13:22:04.181219640 +0200
+--- a/Makefile.in
++++ b/Makefile.in
@@ -53,7 +53,7 @@
CC = @CC@
CCOPT = @V_CCOPT@
@@ -12,5 +10,5 @@ Index: libpcap-0.9.4/Makefile.in
-DEFS = @DEFS@ @V_DEFS@
+DEFS = -D_BSD_SOURCE @DEFS@ @V_DEFS@
LIBS = @V_LIBS@
+ DAGLIBS = @DAGLIBS@
DYEXT = @DYEXT@
-
diff --git a/package/libpcap/patches/104-no_rej_files.patch b/package/libpcap/patches/104-no_rej_files.patch
new file mode 100644
index 0000000000..0775705faf
--- /dev/null
+++ b/package/libpcap/patches/104-no_rej_files.patch
@@ -0,0 +1,469 @@
+diff -urN libpcap-0.9.8/gencode.c.rej libpcap-0.9.8.new/gencode.c.rej
+--- libpcap-0.9.8/gencode.c.rej 2007-07-10 21:38:15.000000000 +0200
++++ libpcap-0.9.8.new/gencode.c.rej 1970-01-01 01:00:00.000000000 +0100
+@@ -1,465 +0,0 @@
+-***************
+-*** 24,29 ****
+- "@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.221.2.51 2007/06/14 20:54:12 gianluca Exp $ (LBL)";
+- #endif
+-
+- #ifdef HAVE_CONFIG_H
+- #include "config.h"
+- #endif
+---- 24,31 ----
+- "@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.221.2.51 2007/06/14 20:54:12 gianluca Exp $ (LBL)";
+- #endif
+-
+-+ #define ENABLE_WLAN_FILTERING_PATCH
+-+
+- #ifdef HAVE_CONFIG_H
+- #include "config.h"
+- #endif
+-***************
+-*** 144,150 ****
+- OR_NET, /* relative to the network-layer header */
+- OR_NET_NOSNAP, /* relative to the network-layer header, with no SNAP header at the link layer */
+- OR_TRAN_IPV4, /* relative to the transport-layer header, with IPv4 network layer */
+-- OR_TRAN_IPV6 /* relative to the transport-layer header, with IPv6 network layer */
+- };
+-
+- /*
+---- 146,153 ----
+- OR_NET, /* relative to the network-layer header */
+- OR_NET_NOSNAP, /* relative to the network-layer header, with no SNAP header at the link layer */
+- OR_TRAN_IPV4, /* relative to the transport-layer header, with IPv4 network layer */
+-+ OR_TRAN_IPV6, /* relative to the transport-layer header, with IPv6 network layer */
+-+ OR_LINK_AFTER_WIRELESS_HDR /* After the 802.11 variable length header */
+- };
+-
+- /*
+-***************
+-*** 199,204 ****
+- static struct block *gen_linktype(int);
+- static struct block *gen_snap(bpf_u_int32, bpf_u_int32, u_int);
+- static struct block *gen_llc_linktype(int);
+- static struct block *gen_hostop(bpf_u_int32, bpf_u_int32, int, int, u_int, u_int);
+- #ifdef INET6
+- static struct block *gen_hostop6(struct in6_addr *, struct in6_addr *, int, int, u_int, u_int);
+---- 202,208 ----
+- static struct block *gen_linktype(int);
+- static struct block *gen_snap(bpf_u_int32, bpf_u_int32, u_int);
+- static struct block *gen_llc_linktype(int);
+-+ static struct block *gen_802_11_llc_linktype(int);
+- static struct block *gen_hostop(bpf_u_int32, bpf_u_int32, int, int, u_int, u_int);
+- #ifdef INET6
+- static struct block *gen_hostop6(struct in6_addr *, struct in6_addr *, int, int, u_int, u_int);
+-***************
+-*** 242,247 ****
+- static struct slist *xfer_to_a(struct arth *);
+- static struct block *gen_mac_multicast(int);
+- static struct block *gen_len(int, int);
+-
+- static struct block *gen_ppi_dlt_check();
+- static struct block *gen_msg_abbrev(int type);
+---- 246,252 ----
+- static struct slist *xfer_to_a(struct arth *);
+- static struct block *gen_mac_multicast(int);
+- static struct block *gen_len(int, int);
+-+ static struct block *gen_check_802_11_data_frame();
+-
+- static struct block *gen_ppi_dlt_check();
+- static struct block *gen_msg_abbrev(int type);
+-***************
+-*** 1345,1350 ****
+- return s;
+- }
+-
+-
+- /*
+- * Load a value relative to the beginning of the specified header.
+---- 1350,1487 ----
+- return s;
+- }
+-
+-+ /*
+-+ * Load a value relative to the beginning of the link-layer header after the 802.11
+-+ * header, i.e. LLC_SNAP.
+-+ * The link-layer header doesn't necessarily begin at the beginning
+-+ * of the packet data; there might be a variable-length prefix containing
+-+ * radio information.
+-+ */
+-+ static struct slist *
+-+ gen_load_ll_after_802_11_rel(offset, size)
+-+ u_int offset, size;
+-+ {
+-+ struct slist *s, *s_load_fc;
+-+ struct slist *sjset_qos;
+-+ struct slist *s_load;
+-+ struct slist *s_ld_a_2;
+-+ struct slist *s_add_a_x;
+-+ struct slist *s_a_to_x;
+-+ struct slist *sjset_data_frame_1;
+-+ struct slist *sjset_data_frame_2;
+-+ struct slist *s_load_x_0;
+-+
+-+ /*
+-+ * This code is not compatible with the optimizer, as
+-+ * we are generating jmp instructions within a normal
+-+ * slist of instructions
+-+ *
+-+ */
+-+ no_optimize = 1;
+-+
+-+ s = gen_llprefixlen();
+-+
+-+ /*
+-+ * If "s" is non-null, it has code to arrange that the X register
+-+ * contains the length of the prefix preceding the link-layer
+-+ * header.
+-+ *
+-+ * Otherwise, the length of the prefix preceding the link-layer
+-+ * header is "off_ll".
+-+ */
+-+ if (s != NULL) {
+-+ /*
+-+ * There's a variable-length prefix preceding the
+-+ * link-layer header. "s" points to a list of statements
+-+ * that put the length of that prefix into the X register.
+-+ * do an indirect load, to use the X register as an offset.
+-+ */
+-+
+-+ /*
+-+ * Load the Frame Control field
+-+ */
+-+ s_load_fc = new_stmt(BPF_LD|BPF_IND|BPF_B);
+-+ s_load_fc->s.k = 0;
+-+ } else {
+-+ /*
+-+ * There is no variable-length header preceding the
+-+ * link-layer header; add in off_ll, which, if there's
+-+ * a fixed-length header preceding the link-layer header,
+-+ * is the length of that header.
+-+ */
+-+
+-+ /*
+-+ * We need to load the Frame control directly, and
+-+ * then load X with a fake 0, i.e. the length of the
+-+ * non-existing prepended header
+-+ */
+-+
+-+ /*
+-+ * TODO GV: I'm not sure if 0 is the right constant in this
+-+ * case. If the link layer has a fixed length prepended header,
+-+ * that should be the value that we put here
+-+ */
+-+
+-+ /* Load 0 into X */
+-+ s_load_x_0 = new_stmt(BPF_LDX|BPF_IMM);
+-+ s_load_x_0->s.k = 0;
+-+
+-+ /*
+-+ * TODO GV: I'm not sure if 0 is the right constant in this
+-+ * case. If the link layer has a fixed length prepended header,
+-+ * that should be the value that we put here
+-+ */
+-+
+-+ /*
+-+ * load the Frame Control with absolute access
+-+ */
+-+ s_load_fc = new_stmt(BPF_LD|BPF_ABS|BPF_B);
+-+ s_load_fc->s.k = 0;
+-+ s = s_load_x_0;
+-+ }
+-+
+-+ /*
+-+ * Generate the common instructions to check if it's a data frame
+-+ * and if so compute the 802.11 header length
+-+ */
+-+ sjset_data_frame_1 = new_stmt(JMP(BPF_JSET)); // b3 should be 1
+-+ sjset_data_frame_1->s.k = 0x8;
+-+
+-+ sjset_data_frame_2 = new_stmt(JMP(BPF_JSET)); // b2 should be 0
+-+ sjset_data_frame_2->s.k = 0x04;
+-+
+-+ sjset_qos = new_stmt(JMP(BPF_JSET));
+-+ sjset_qos->s.k = 0x80; //QOS bit
+-+
+-+ s_ld_a_2 = new_stmt(BPF_LD|BPF_IMM);
+-+ s_ld_a_2->s.k = 2;
+-+
+-+ s_add_a_x = new_stmt(BPF_ALU|BPF_ADD|BPF_X);
+-+ s_a_to_x = new_stmt(BPF_MISC|BPF_TAX);
+-+
+-+ s_load = new_stmt(BPF_LD|BPF_IND|size);
+-+ s_load->s.k = offset;
+-+
+-+ sjset_data_frame_1->s.jt = sjset_data_frame_2;
+-+ sjset_data_frame_1->s.jf = s_load;
+-+
+-+ sjset_data_frame_2->s.jt = s_load;
+-+ sjset_data_frame_2->s.jf = sjset_qos;
+-+
+-+ sjset_qos->s.jt = s_ld_a_2;
+-+ sjset_qos->s.jf = s_load;
+-+
+-+ sappend(s, s_load_fc);
+-+ sappend(s_load_fc, sjset_data_frame_1);
+-+ sappend(sjset_data_frame_1, sjset_data_frame_2);
+-+ sappend(sjset_data_frame_2, sjset_qos);
+-+ sappend(sjset_qos, s_ld_a_2);
+-+ sappend(s_ld_a_2, s_add_a_x);
+-+ sappend(s_add_a_x,s_a_to_x);
+-+ sappend(s_a_to_x, s_load);
+-+
+-+ return s;
+-+ }
+-
+- /*
+- * Load a value relative to the beginning of the specified header.
+-***************
+-*** 1367,1372 ****
+- s = gen_load_llrel(offset, size);
+- break;
+-
+- case OR_NET:
+- s = gen_load_llrel(off_nl + offset, size);
+- break;
+---- 1504,1525 ----
+- s = gen_load_llrel(offset, size);
+- break;
+-
+-+ #ifdef ENABLE_WLAN_FILTERING_PATCH
+-+
+-+ case OR_LINK_AFTER_WIRELESS_HDR:
+-+ if (linktype != DLT_IEEE802_11_RADIO
+-+ && linktype != DLT_PPI
+-+ && linktype != DLT_IEEE802_11
+-+ && linktype != DLT_PRISM_HEADER
+-+ && linktype != DLT_IEEE802_11_RADIO_AVS)
+-+ {
+-+ abort();
+-+ return NULL;
+-+ }
+-+ s = gen_load_ll_after_802_11_rel(offset + 24, size);
+-+ break;
+-+ #endif /* ENABLE_WLAN_FILTERING_PATCH */
+-+
+- case OR_NET:
+- s = gen_load_llrel(off_nl + offset, size);
+- break;
+-***************
+-*** 2163,2173 ****
+- break;
+-
+- case DLT_PPI:
+- case DLT_FDDI:
+- case DLT_IEEE802:
+-- case DLT_IEEE802_11:
+- case DLT_IEEE802_11_RADIO_AVS:
+-- case DLT_IEEE802_11_RADIO:
+- case DLT_PRISM_HEADER:
+- case DLT_ATM_RFC1483:
+- case DLT_ATM_CLIP:
+---- 2316,2332 ----
+- break;
+-
+- case DLT_PPI:
+-+ case DLT_IEEE802_11_RADIO:
+-+ case DLT_IEEE802_11:
+-+ #ifdef ENABLE_WLAN_FILTERING_PATCH
+-+ return gen_802_11_llc_linktype(proto);
+-+ /*NOTREACHED*/
+-+ break;
+-+ #endif /* ENABLE_WLAN_FILTERING_PATCH */
+-+
+- case DLT_FDDI:
+- case DLT_IEEE802:
+- case DLT_IEEE802_11_RADIO_AVS:
+- case DLT_PRISM_HEADER:
+- case DLT_ATM_RFC1483:
+- case DLT_ATM_CLIP:
+-***************
+-*** 2711,2716 ****
+- }
+- }
+-
+- static struct block *
+- gen_hostop(addr, mask, dir, proto, src_off, dst_off)
+- bpf_u_int32 addr;
+---- 2870,2982 ----
+- }
+- }
+-
+-+ /*
+-+ * Generate code to match a particular packet type, for link-layer types
+-+ * using 802.2 LLC headers.
+-+ *
+-+ * This is *NOT* used for Ethernet; "gen_ether_linktype()" is used
+-+ * for that - it handles the D/I/X Ethernet vs. 802.3+802.2 issues.
+-+ *
+-+ * "proto" is an Ethernet type value, if > ETHERMTU, or an LLC SAP
+-+ * value, if <= ETHERMTU. We use that to determine whether to
+-+ * match the DSAP or both DSAP and LSAP or to check the OUI and
+-+ * protocol ID in a SNAP header.
+-+ */
+-+ static struct block *
+-+ gen_802_11_llc_linktype(proto)
+-+ int proto;
+-+ {
+-+ struct block *b_check_data_frame;
+-+ struct block *b_check_linktype;
+-+
+-+ b_check_data_frame = gen_check_802_11_data_frame();
+-+
+-+ /*
+-+ * XXX - generate the code that discards non data frames
+-+ */
+-+ switch (proto) {
+-+
+-+ case LLCSAP_IP:
+-+ case LLCSAP_ISONS:
+-+ case LLCSAP_NETBEUI:
+-+ /*
+-+ * XXX - should we check both the DSAP and the
+-+ * SSAP, like this, or should we check just the
+-+ * DSAP, as we do for other types <= ETHERMTU
+-+ * (i.e., other SAP values)?
+-+ */
+-+ b_check_linktype = gen_cmp(OR_LINK_AFTER_WIRELESS_HDR, 0, BPF_H, (bpf_u_int32)
+-+ ((proto << 8) | proto));
+-+ break;
+-+
+-+ case LLCSAP_IPX:
+-+ /*
+-+ * XXX - are there ever SNAP frames for IPX on
+-+ * non-Ethernet 802.x networks?
+-+ */
+-+ b_check_linktype = gen_cmp(OR_LINK_AFTER_WIRELESS_HDR, 0, BPF_B,
+-+ (bpf_int32)LLCSAP_IPX);
+-+
+-+ break;
+-+
+-+ #if 0
+-+ case ETHERTYPE_ATALK:
+-+ /*
+-+ * 802.2-encapsulated ETHERTYPE_ATALK packets are
+-+ * SNAP packets with an organization code of
+-+ * 0x080007 (Apple, for Appletalk) and a protocol
+-+ * type of ETHERTYPE_ATALK (Appletalk).
+-+ *
+-+ * XXX - check for an organization code of
+-+ * encapsulated Ethernet as well?
+-+ */
+-+ return gen_snap(0x080007, ETHERTYPE_ATALK, off_linktype);
+-+ #endif
+-+ default:
+-+ /*
+-+ * XXX - we don't have to check for IPX 802.3
+-+ * here, but should we check for the IPX Ethertype?
+-+ */
+-+ if (proto <= ETHERMTU) {
+-+ /*
+-+ * This is an LLC SAP value, so check
+-+ * the DSAP.
+-+ */
+-+ b_check_linktype = gen_cmp(OR_LINK_AFTER_WIRELESS_HDR, 0, BPF_B,
+-+ (bpf_int32)proto);
+-+ } else {
+-+ /*
+-+ * This is an Ethernet type; we assume that it's
+-+ * unlikely that it'll appear in the right place
+-+ * at random, and therefore check only the
+-+ * location that would hold the Ethernet type
+-+ * in a SNAP frame with an organization code of
+-+ * 0x000000 (encapsulated Ethernet).
+-+ *
+-+ * XXX - if we were to check for the SNAP DSAP and
+-+ * LSAP, as per XXX, and were also to check for an
+-+ * organization code of 0x000000 (encapsulated
+-+ * Ethernet), we'd do
+-+ *
+-+ * return gen_snap(0x000000, proto,
+-+ * off_linktype);
+-+ *
+-+ * here; for now, we don't, as per the above.
+-+ * I don't know whether it's worth the extra CPU
+-+ * time to do the right check or not.
+-+ */
+-+ b_check_linktype = gen_cmp(OR_LINK_AFTER_WIRELESS_HDR, 0+6, BPF_H,
+-+ (bpf_int32)proto);
+-+ }
+-+ }
+-+
+-+ gen_and(b_check_data_frame, b_check_linktype);
+-+ return b_check_linktype;
+-+
+-+ }
+-+
+-+
+-+
+- static struct block *
+- gen_hostop(addr, mask, dir, proto, src_off, dst_off)
+- bpf_u_int32 addr;
+-***************
+-*** 2925,2930 ****
+- register struct block *b0, *b1, *b2;
+- register struct slist *s;
+-
+- switch (dir) {
+- case Q_SRC:
+- /*
+---- 3191,3207 ----
+- register struct block *b0, *b1, *b2;
+- register struct slist *s;
+-
+-+ #ifdef ENABLE_WLAN_FILTERING_PATCH
+-+ /*
+-+ * TODO GV 20070613
+-+ * We need to disable the optimizer because the optimizer is buggy
+-+ * and wipes out some LD instructions generated by the below
+-+ * code to validate the Frame Control bits
+-+ *
+-+ */
+-+ no_optimize = 1;
+-+ #endif /* ENABLE_WLAN_FILTERING_PATCH */
+-+
+- switch (dir) {
+- case Q_SRC:
+- /*
+-***************
+-*** 4713,4718 ****
+- #endif
+- }
+-
+-
+- /*
+- * Generate code that checks whether the packet is a packet for protocol
+---- 4990,5021 ----
+- #endif
+- }
+-
+-+ static struct block *
+-+ gen_check_802_11_data_frame()
+-+ {
+-+ struct slist *s;
+-+ struct block *b0, *b1;
+-+ /*
+-+ * Now check for a data frame.
+-+ * I.e, check "link[0] & 0x08".
+-+ */
+-+ s = gen_load_a(OR_LINK, 0, BPF_B);
+-+ b0 = new_block(JMP(BPF_JSET));
+-+ b0->s.k = 0x08;
+-+ b0->stmts = s;
+-+
+-+ s = gen_load_a(OR_LINK, 0, BPF_B);
+-+ b1 = new_block(JMP(BPF_JSET));
+-+ b1->s.k = 0x04;
+-+ b1->stmts = s;
+-+ gen_not(b1);
+-+
+-+
+-+ gen_and(b1, b0);
+-+
+-+ return b0;
+-+ }
+-+
+-
+- /*
+- * Generate code that checks whether the packet is a packet for protocol