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-rw-r--r--src/l2_packet/Makefile2
-rw-r--r--src/l2_packet/l2_packet.h30
-rw-r--r--src/l2_packet/l2_packet_freebsd.c19
-rw-r--r--src/l2_packet/l2_packet_linux.c247
-rw-r--r--src/l2_packet/l2_packet_ndis.c19
-rw-r--r--src/l2_packet/l2_packet_none.c22
-rw-r--r--src/l2_packet/l2_packet_pcap.c18
-rw-r--r--src/l2_packet/l2_packet_privsep.c36
-rw-r--r--src/l2_packet/l2_packet_winpcap.c12
9 files changed, 389 insertions, 16 deletions
diff --git a/src/l2_packet/Makefile b/src/l2_packet/Makefile
index 9c41962fd7e16..adfd3dfd5b9be 100644
--- a/src/l2_packet/Makefile
+++ b/src/l2_packet/Makefile
@@ -2,7 +2,7 @@ all:
@echo Nothing to be made.
clean:
- rm -f *~ *.o *.d
+ rm -f *~ *.o *.d *.gcno *.gcda *.gcov
install:
@echo Nothing to be made.
diff --git a/src/l2_packet/l2_packet.h b/src/l2_packet/l2_packet.h
index dd825b56894df..2a452458214be 100644
--- a/src/l2_packet/l2_packet.h
+++ b/src/l2_packet/l2_packet.h
@@ -39,6 +39,11 @@ struct l2_ethhdr {
#pragma pack(pop)
#endif /* _MSC_VER */
+enum l2_packet_filter_type {
+ L2_PACKET_FILTER_DHCP,
+ L2_PACKET_FILTER_NDISC,
+};
+
/**
* l2_packet_init - Initialize l2_packet interface
* @ifname: Interface name
@@ -63,6 +68,19 @@ struct l2_packet_data * l2_packet_init(
void *rx_callback_ctx, int l2_hdr);
/**
+ * l2_packet_init_bridge - Like l2_packet_init() but with bridge workaround
+ *
+ * This version of l2_packet_init() can be used to enable a workaround for Linux
+ * packet socket in case of a station interface in a bridge.
+ */
+struct l2_packet_data * l2_packet_init_bridge(
+ const char *br_ifname, const char *ifname, const u8 *own_addr,
+ unsigned short protocol,
+ void (*rx_callback)(void *ctx, const u8 *src_addr,
+ const u8 *buf, size_t len),
+ void *rx_callback_ctx, int l2_hdr);
+
+/**
* l2_packet_deinit - Deinitialize l2_packet interface
* @l2: Pointer to internal l2_packet data from l2_packet_init()
*/
@@ -121,4 +139,16 @@ int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len);
*/
void l2_packet_notify_auth_start(struct l2_packet_data *l2);
+/**
+ * l2_packet_set_packet_filter - Set socket filter for l2_packet
+ * @l2: Pointer to internal l2_packet data from l2_packet_init()
+ * @type: enum l2_packet_filter_type, type of filter
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is used to set the socket filter for l2_packet socket.
+ *
+ */
+int l2_packet_set_packet_filter(struct l2_packet_data *l2,
+ enum l2_packet_filter_type type);
+
#endif /* L2_PACKET_H */
diff --git a/src/l2_packet/l2_packet_freebsd.c b/src/l2_packet/l2_packet_freebsd.c
index 2e9a04c8943c4..aa836482767bd 100644
--- a/src/l2_packet/l2_packet_freebsd.c
+++ b/src/l2_packet/l2_packet_freebsd.c
@@ -256,6 +256,18 @@ struct l2_packet_data * l2_packet_init(
}
+struct l2_packet_data * l2_packet_init_bridge(
+ const char *br_ifname, const char *ifname, const u8 *own_addr,
+ unsigned short protocol,
+ void (*rx_callback)(void *ctx, const u8 *src_addr,
+ const u8 *buf, size_t len),
+ void *rx_callback_ctx, int l2_hdr)
+{
+ return l2_packet_init(br_ifname, own_addr, protocol, rx_callback,
+ rx_callback_ctx, l2_hdr);
+}
+
+
void l2_packet_deinit(struct l2_packet_data *l2)
{
if (l2 != NULL) {
@@ -308,3 +320,10 @@ int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
void l2_packet_notify_auth_start(struct l2_packet_data *l2)
{
}
+
+
+int l2_packet_set_packet_filter(struct l2_packet_data *l2,
+ enum l2_packet_filter_type type)
+{
+ return -1;
+}
diff --git a/src/l2_packet/l2_packet_linux.c b/src/l2_packet/l2_packet_linux.c
index 1419830db7ac5..41de2f85d9cde 100644
--- a/src/l2_packet/l2_packet_linux.c
+++ b/src/l2_packet/l2_packet_linux.c
@@ -1,6 +1,6 @@
/*
* WPA Supplicant - Layer2 packet handling with Linux packet sockets
- * Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@@ -10,9 +10,12 @@
#include <sys/ioctl.h>
#include <netpacket/packet.h>
#include <net/if.h>
+#include <linux/filter.h>
#include "common.h"
#include "eloop.h"
+#include "crypto/sha1.h"
+#include "crypto/crypto.h"
#include "l2_packet.h"
@@ -26,6 +29,56 @@ struct l2_packet_data {
void *rx_callback_ctx;
int l2_hdr; /* whether to include layer 2 (Ethernet) header data
* buffers */
+
+ /* For working around Linux packet socket behavior and regression. */
+ int fd_br_rx;
+ int last_from_br;
+ u8 last_hash[SHA1_MAC_LEN];
+ unsigned int num_rx, num_rx_br;
+};
+
+/* Generated by 'sudo tcpdump -s 3000 -dd greater 278 and ip and udp and
+ * src port bootps and dst port bootpc'
+ */
+static struct sock_filter dhcp_sock_filter_insns[] = {
+ { 0x80, 0, 0, 0x00000000 },
+ { 0x35, 0, 12, 0x00000116 },
+ { 0x28, 0, 0, 0x0000000c },
+ { 0x15, 0, 10, 0x00000800 },
+ { 0x30, 0, 0, 0x00000017 },
+ { 0x15, 0, 8, 0x00000011 },
+ { 0x28, 0, 0, 0x00000014 },
+ { 0x45, 6, 0, 0x00001fff },
+ { 0xb1, 0, 0, 0x0000000e },
+ { 0x48, 0, 0, 0x0000000e },
+ { 0x15, 0, 3, 0x00000043 },
+ { 0x48, 0, 0, 0x00000010 },
+ { 0x15, 0, 1, 0x00000044 },
+ { 0x6, 0, 0, 0x00000bb8 },
+ { 0x6, 0, 0, 0x00000000 },
+};
+
+static const struct sock_fprog dhcp_sock_filter = {
+ .len = ARRAY_SIZE(dhcp_sock_filter_insns),
+ .filter = dhcp_sock_filter_insns,
+};
+
+
+/* Generated by 'sudo tcpdump -dd -s 1500 multicast and ip6[6]=58' */
+static struct sock_filter ndisc_sock_filter_insns[] = {
+ { 0x30, 0, 0, 0x00000000 },
+ { 0x45, 0, 5, 0x00000001 },
+ { 0x28, 0, 0, 0x0000000c },
+ { 0x15, 0, 3, 0x000086dd },
+ { 0x30, 0, 0, 0x00000014 },
+ { 0x15, 0, 1, 0x0000003a },
+ { 0x6, 0, 0, 0x000005dc },
+ { 0x6, 0, 0, 0x00000000 },
+};
+
+static const struct sock_fprog ndisc_sock_filter = {
+ .len = ARRAY_SIZE(ndisc_sock_filter_insns),
+ .filter = ndisc_sock_filter_insns,
};
@@ -74,6 +127,7 @@ static void l2_packet_receive(int sock, void *eloop_ctx, void *sock_ctx)
struct sockaddr_ll ll;
socklen_t fromlen;
+ l2->num_rx++;
os_memset(&ll, 0, sizeof(ll));
fromlen = sizeof(ll);
res = recvfrom(sock, buf, sizeof(buf), 0, (struct sockaddr *) &ll,
@@ -84,6 +138,80 @@ static void l2_packet_receive(int sock, void *eloop_ctx, void *sock_ctx)
return;
}
+ wpa_printf(MSG_DEBUG, "%s: src=" MACSTR " len=%d",
+ __func__, MAC2STR(ll.sll_addr), (int) res);
+
+ if (l2->fd_br_rx >= 0) {
+ u8 hash[SHA1_MAC_LEN];
+ const u8 *addr[1];
+ size_t len[1];
+
+ /*
+ * Close the workaround socket if the kernel version seems to be
+ * able to deliver packets through the packet socket before
+ * authorization has been completed (in dormant state).
+ */
+ if (l2->num_rx_br <= 1) {
+ wpa_printf(MSG_DEBUG,
+ "l2_packet_receive: Main packet socket for %s seems to have working RX - close workaround bridge socket",
+ l2->ifname);
+ eloop_unregister_read_sock(l2->fd_br_rx);
+ close(l2->fd_br_rx);
+ l2->fd_br_rx = -1;
+ }
+
+ addr[0] = buf;
+ len[0] = res;
+ sha1_vector(1, addr, len, hash);
+ if (l2->last_from_br &&
+ os_memcmp(hash, l2->last_hash, SHA1_MAC_LEN) == 0) {
+ wpa_printf(MSG_DEBUG, "%s: Drop duplicate RX",
+ __func__);
+ return;
+ }
+ os_memcpy(l2->last_hash, hash, SHA1_MAC_LEN);
+ }
+
+ l2->last_from_br = 0;
+ l2->rx_callback(l2->rx_callback_ctx, ll.sll_addr, buf, res);
+}
+
+
+static void l2_packet_receive_br(int sock, void *eloop_ctx, void *sock_ctx)
+{
+ struct l2_packet_data *l2 = eloop_ctx;
+ u8 buf[2300];
+ int res;
+ struct sockaddr_ll ll;
+ socklen_t fromlen;
+ u8 hash[SHA1_MAC_LEN];
+ const u8 *addr[1];
+ size_t len[1];
+
+ l2->num_rx_br++;
+ os_memset(&ll, 0, sizeof(ll));
+ fromlen = sizeof(ll);
+ res = recvfrom(sock, buf, sizeof(buf), 0, (struct sockaddr *) &ll,
+ &fromlen);
+ if (res < 0) {
+ wpa_printf(MSG_DEBUG, "l2_packet_receive_br - recvfrom: %s",
+ strerror(errno));
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "%s: src=" MACSTR " len=%d",
+ __func__, MAC2STR(ll.sll_addr), (int) res);
+
+ addr[0] = buf;
+ len[0] = res;
+ sha1_vector(1, addr, len, hash);
+ if (!l2->last_from_br &&
+ os_memcmp(hash, l2->last_hash, SHA1_MAC_LEN) == 0) {
+ wpa_printf(MSG_DEBUG, "%s: Drop duplicate RX", __func__);
+ return;
+ }
+ l2->last_from_br = 1;
+ os_memcpy(l2->last_hash, hash, SHA1_MAC_LEN);
l2->rx_callback(l2->rx_callback_ctx, ll.sll_addr, buf, res);
}
@@ -105,6 +233,7 @@ struct l2_packet_data * l2_packet_init(
l2->rx_callback = rx_callback;
l2->rx_callback_ctx = rx_callback_ctx;
l2->l2_hdr = l2_hdr;
+ l2->fd_br_rx = -1;
l2->fd = socket(PF_PACKET, l2_hdr ? SOCK_RAW : SOCK_DGRAM,
htons(protocol));
@@ -152,6 +281,87 @@ struct l2_packet_data * l2_packet_init(
}
+struct l2_packet_data * l2_packet_init_bridge(
+ const char *br_ifname, const char *ifname, const u8 *own_addr,
+ unsigned short protocol,
+ void (*rx_callback)(void *ctx, const u8 *src_addr,
+ const u8 *buf, size_t len),
+ void *rx_callback_ctx, int l2_hdr)
+{
+ struct l2_packet_data *l2;
+ struct sock_filter ethertype_sock_filter_insns[] = {
+ /* Load ethertype */
+ BPF_STMT(BPF_LD | BPF_H | BPF_ABS, 2 * ETH_ALEN),
+ /* Jump over next statement if ethertype does not match */
+ BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, protocol, 0, 1),
+ /* Ethertype match - return all */
+ BPF_STMT(BPF_RET | BPF_K, ~0),
+ /* No match - drop */
+ BPF_STMT(BPF_RET | BPF_K, 0)
+ };
+ const struct sock_fprog ethertype_sock_filter = {
+ .len = ARRAY_SIZE(ethertype_sock_filter_insns),
+ .filter = ethertype_sock_filter_insns,
+ };
+ struct sockaddr_ll ll;
+
+ l2 = l2_packet_init(br_ifname, own_addr, protocol, rx_callback,
+ rx_callback_ctx, l2_hdr);
+ if (!l2)
+ return NULL;
+
+ /*
+ * The Linux packet socket behavior has changed over the years and there
+ * is an inconvenient regression in it that breaks RX for a specific
+ * protocol from interfaces in a bridge when that interface is not in
+ * fully operation state (i.e., when in station mode and not completed
+ * authorization). To work around this, register ETH_P_ALL version of
+ * the packet socket bound to the real netdev and use socket filter to
+ * match the ethertype value. This version is less efficient, but
+ * required for functionality with many kernel version. If the main
+ * packet socket is found to be working, this less efficient version
+ * gets closed automatically.
+ */
+
+ l2->fd_br_rx = socket(PF_PACKET, l2_hdr ? SOCK_RAW : SOCK_DGRAM,
+ htons(ETH_P_ALL));
+ if (l2->fd_br_rx < 0) {
+ wpa_printf(MSG_DEBUG, "%s: socket(PF_PACKET-fd_br_rx): %s",
+ __func__, strerror(errno));
+ /* try to continue without the workaround RX socket */
+ return l2;
+ }
+
+ os_memset(&ll, 0, sizeof(ll));
+ ll.sll_family = PF_PACKET;
+ ll.sll_ifindex = if_nametoindex(ifname);
+ ll.sll_protocol = htons(ETH_P_ALL);
+ if (bind(l2->fd_br_rx, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
+ wpa_printf(MSG_DEBUG, "%s: bind[PF_PACKET-fd_br_rx]: %s",
+ __func__, strerror(errno));
+ /* try to continue without the workaround RX socket */
+ close(l2->fd_br_rx);
+ l2->fd_br_rx = -1;
+ return l2;
+ }
+
+ if (setsockopt(l2->fd_br_rx, SOL_SOCKET, SO_ATTACH_FILTER,
+ &ethertype_sock_filter, sizeof(struct sock_fprog))) {
+ wpa_printf(MSG_DEBUG,
+ "l2_packet_linux: setsockopt(SO_ATTACH_FILTER) failed: %s",
+ strerror(errno));
+ /* try to continue without the workaround RX socket */
+ close(l2->fd_br_rx);
+ l2->fd_br_rx = -1;
+ return l2;
+ }
+
+ eloop_register_read_sock(l2->fd_br_rx, l2_packet_receive_br, l2, NULL);
+
+ return l2;
+}
+
+
void l2_packet_deinit(struct l2_packet_data *l2)
{
if (l2 == NULL)
@@ -161,7 +371,12 @@ void l2_packet_deinit(struct l2_packet_data *l2)
eloop_unregister_read_sock(l2->fd);
close(l2->fd);
}
-
+
+ if (l2->fd_br_rx >= 0) {
+ eloop_unregister_read_sock(l2->fd_br_rx);
+ close(l2->fd_br_rx);
+ }
+
os_free(l2);
}
@@ -202,3 +417,31 @@ int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
void l2_packet_notify_auth_start(struct l2_packet_data *l2)
{
}
+
+
+int l2_packet_set_packet_filter(struct l2_packet_data *l2,
+ enum l2_packet_filter_type type)
+{
+ const struct sock_fprog *sock_filter;
+
+ switch (type) {
+ case L2_PACKET_FILTER_DHCP:
+ sock_filter = &dhcp_sock_filter;
+ break;
+ case L2_PACKET_FILTER_NDISC:
+ sock_filter = &ndisc_sock_filter;
+ break;
+ default:
+ return -1;
+ }
+
+ if (setsockopt(l2->fd, SOL_SOCKET, SO_ATTACH_FILTER,
+ sock_filter, sizeof(struct sock_fprog))) {
+ wpa_printf(MSG_ERROR,
+ "l2_packet_linux: setsockopt(SO_ATTACH_FILTER) failed: %s",
+ strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
diff --git a/src/l2_packet/l2_packet_ndis.c b/src/l2_packet/l2_packet_ndis.c
index 23b8ddcc9e361..716778164af4a 100644
--- a/src/l2_packet/l2_packet_ndis.c
+++ b/src/l2_packet/l2_packet_ndis.c
@@ -450,6 +450,18 @@ struct l2_packet_data * l2_packet_init(
}
+struct l2_packet_data * l2_packet_init_bridge(
+ const char *br_ifname, const char *ifname, const u8 *own_addr,
+ unsigned short protocol,
+ void (*rx_callback)(void *ctx, const u8 *src_addr,
+ const u8 *buf, size_t len),
+ void *rx_callback_ctx, int l2_hdr)
+{
+ return l2_packet_init(br_ifname, own_addr, protocol, rx_callback,
+ rx_callback_ctx, l2_hdr);
+}
+
+
void l2_packet_deinit(struct l2_packet_data *l2)
{
if (l2 == NULL)
@@ -514,3 +526,10 @@ int l2_packet_get_ip_addr(struct l2_packet_data *l2, char *buf, size_t len)
void l2_packet_notify_auth_start(struct l2_packet_data *l2)
{
}
+
+
+int l2_packet_set_packet_filter(struct l2_packet_data *l2,
+ enum l2_packet_filter_type type)
+{
+ return -1;
+}
diff --git a/src/l2_packet/l2_packet_none.c b/src/l2_packet/l2_packet_none.c
index b01e830220f88..307fc6daa4039 100644
--- a/src/l2_packet/l2_packet_none.c
+++ b/src/l2_packet/l2_packet_none.c
@@ -84,12 +84,25 @@ struct l2_packet_data * l2_packet_init(
* TODO: open connection for receiving frames
*/
l2->fd = -1;
- eloop_register_read_sock(l2->fd, l2_packet_receive, l2, NULL);
+ if (l2->fd >= 0)
+ eloop_register_read_sock(l2->fd, l2_packet_receive, l2, NULL);
return l2;
}
+struct l2_packet_data * l2_packet_init_bridge(
+ const char *br_ifname, const char *ifname, const u8 *own_addr,
+ unsigned short protocol,
+ void (*rx_callback)(void *ctx, const u8 *src_addr,
+ const u8 *buf, size_t len),
+ void *rx_callback_ctx, int l2_hdr)
+{
+ return l2_packet_init(br_ifname, own_addr, protocol, rx_callback,
+ rx_callback_ctx, l2_hdr);
+}
+
+
void l2_packet_deinit(struct l2_packet_data *l2)
{
if (l2 == NULL)
@@ -115,3 +128,10 @@ void l2_packet_notify_auth_start(struct l2_packet_data *l2)
{
/* This function can be left empty */
}
+
+
+int l2_packet_set_packet_filter(struct l2_packet_data *l2,
+ enum l2_packet_filter_type type)
+{
+ return -1;
+}
diff --git a/src/l2_packet/l2_packet_pcap.c b/src/l2_packet/l2_packet_pcap.c
index 45aef56bcdbd8..bb4f4a31d0151 100644
--- a/src/l2_packet/l2_packet_pcap.c
+++ b/src/l2_packet/l2_packet_pcap.c
@@ -54,15 +54,16 @@ static int l2_packet_init_libdnet(struct l2_packet_data *l2)
l2->eth = eth_open(l2->ifname);
if (!l2->eth) {
- printf("Failed to open interface '%s'.\n", l2->ifname);
- perror("eth_open");
+ wpa_printf(MSG_ERROR,
+ "Failed to open interface '%s' - eth_open: %s",
+ l2->ifname, strerror(errno));
return -1;
}
if (eth_get(l2->eth, &own_addr) < 0) {
- printf("Failed to get own hw address from interface '%s'.\n",
- l2->ifname);
- perror("eth_get");
+ wpa_printf(MSG_ERROR,
+ "Failed to get own hw address from interface '%s' - eth_get: %s",
+ l2->ifname, strerror(errno));
eth_close(l2->eth);
l2->eth = NULL;
return -1;
@@ -378,3 +379,10 @@ void l2_packet_notify_auth_start(struct l2_packet_data *l2)
l2, l2->pcap);
#endif /* CONFIG_WINPCAP */
}
+
+
+int l2_packet_set_packet_filter(struct l2_packet_data *l2,
+ enum l2_packet_filter_type type)
+{
+ return -1;
+}
diff --git a/src/l2_packet/l2_packet_privsep.c b/src/l2_packet/l2_packet_privsep.c
index 6b117ca2b9076..e26ca20a8625d 100644
--- a/src/l2_packet/l2_packet_privsep.c
+++ b/src/l2_packet/l2_packet_privsep.c
@@ -44,7 +44,7 @@ static int wpa_priv_cmd(struct l2_packet_data *l2, int cmd,
msg.msg_namelen = sizeof(l2->priv_addr);
if (sendmsg(l2->fd, &msg, 0) < 0) {
- perror("L2: sendmsg(cmd)");
+ wpa_printf(MSG_ERROR, "L2: sendmsg(cmd): %s", strerror(errno));
return -1;
}
@@ -82,7 +82,8 @@ int l2_packet_send(struct l2_packet_data *l2, const u8 *dst_addr, u16 proto,
msg.msg_namelen = sizeof(l2->priv_addr);
if (sendmsg(l2->fd, &msg, 0) < 0) {
- perror("L2: sendmsg(packet_send)");
+ wpa_printf(MSG_ERROR, "L2: sendmsg(packet_send): %s",
+ strerror(errno));
return -1;
}
@@ -102,7 +103,8 @@ static void l2_packet_receive(int sock, void *eloop_ctx, void *sock_ctx)
res = recvfrom(sock, buf, sizeof(buf), 0, (struct sockaddr *) &from,
&fromlen);
if (res < 0) {
- perror("l2_packet_receive - recvfrom");
+ wpa_printf(MSG_ERROR, "l2_packet_receive - recvfrom: %s",
+ strerror(errno));
return;
}
if (res < ETH_ALEN) {
@@ -162,7 +164,7 @@ struct l2_packet_data * l2_packet_init(
l2->fd = socket(PF_UNIX, SOCK_DGRAM, 0);
if (l2->fd < 0) {
- perror("socket(PF_UNIX)");
+ wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno));
os_free(l2->own_socket_path);
l2->own_socket_path = NULL;
os_free(l2);
@@ -173,7 +175,8 @@ struct l2_packet_data * l2_packet_init(
addr.sun_family = AF_UNIX;
os_strlcpy(addr.sun_path, l2->own_socket_path, sizeof(addr.sun_path));
if (bind(l2->fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- perror("l2-pkt-privsep: bind(PF_UNIX)");
+ wpa_printf(MSG_ERROR, "l2-pkt-privsep: bind(PF_UNIX): %s",
+ strerror(errno));
goto fail;
}
@@ -191,14 +194,14 @@ struct l2_packet_data * l2_packet_init(
tv.tv_usec = 0;
res = select(l2->fd + 1, &rfds, NULL, NULL, &tv);
if (res < 0 && errno != EINTR) {
- perror("select");
+ wpa_printf(MSG_ERROR, "select: %s", strerror(errno));
goto fail;
}
if (FD_ISSET(l2->fd, &rfds)) {
res = recv(l2->fd, reply, sizeof(reply), 0);
if (res < 0) {
- perror("recv");
+ wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
goto fail;
}
} else {
@@ -228,6 +231,18 @@ fail:
}
+struct l2_packet_data * l2_packet_init_bridge(
+ const char *br_ifname, const char *ifname, const u8 *own_addr,
+ unsigned short protocol,
+ void (*rx_callback)(void *ctx, const u8 *src_addr,
+ const u8 *buf, size_t len),
+ void *rx_callback_ctx, int l2_hdr)
+{
+ return l2_packet_init(br_ifname, own_addr, protocol, rx_callback,
+ rx_callback_ctx, l2_hdr);
+}
+
+
void l2_packet_deinit(struct l2_packet_data *l2)
{
if (l2 == NULL)
@@ -259,3 +274,10 @@ void l2_packet_notify_auth_start(struct l2_packet_data *l2)
{
wpa_priv_cmd(l2, PRIVSEP_CMD_L2_NOTIFY_AUTH_START, NULL, 0);
}
+
+
+int l2_packet_set_packet_filter(struct l2_packet_data *l2,
+ enum l2_packet_filter_type type)
+{
+ return -1;
+}
diff --git a/src/l2_packet/l2_packet_winpcap.c b/src/l2_packet/l2_packet_winpcap.c
index b6e5088938ec0..74085a3169af8 100644
--- a/src/l2_packet/l2_packet_winpcap.c
+++ b/src/l2_packet/l2_packet_winpcap.c
@@ -248,6 +248,18 @@ struct l2_packet_data * l2_packet_init(
}
+struct l2_packet_data * l2_packet_init_bridge(
+ const char *br_ifname, const char *ifname, const u8 *own_addr,
+ unsigned short protocol,
+ void (*rx_callback)(void *ctx, const u8 *src_addr,
+ const u8 *buf, size_t len),
+ void *rx_callback_ctx, int l2_hdr)
+{
+ return l2_packet_init(br_ifname, own_addr, protocol, rx_callback,
+ rx_callback_ctx, l2_hdr);
+}
+
+
static void l2_packet_deinit_timeout(void *eloop_ctx, void *timeout_ctx)
{
struct l2_packet_data *l2 = eloop_ctx;
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-02 16:56:15 +0000