Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)    BNEP implementation for Linux Bluetooth stack (BlueZ).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)    Copyright (C) 2001-2002 Inventel Systemes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)    Written 2001-2002 by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) 	Clément Moreau <clement.moreau@inventel.fr>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) 	David Libault  <david.libault@inventel.fr>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)    Copyright (C) 2002 Maxim Krasnyansky <maxk@qualcomm.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)    This program is free software; you can redistribute it and/or modify
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)    it under the terms of the GNU General Public License version 2 as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)    published by the Free Software Foundation;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)    OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)    IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)    CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)    ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)    COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)    SOFTWARE IS DISCLAIMED.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <linux/etherdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) #include <net/bluetooth/bluetooth.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #include <net/bluetooth/hci_core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #include <net/bluetooth/l2cap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) #include "bnep.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define BNEP_TX_QUEUE_LEN 20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static int bnep_net_open(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	netif_start_queue(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) static int bnep_net_close(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	netif_stop_queue(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) static void bnep_net_set_mc_list(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) #ifdef CONFIG_BT_BNEP_MC_FILTER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	struct bnep_session *s = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	struct sock *sk = s->sock->sk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	struct bnep_set_filter_req *r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	int size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	BT_DBG("%s mc_count %d", dev->name, netdev_mc_count(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	size = sizeof(*r) + (BNEP_MAX_MULTICAST_FILTERS + 1) * ETH_ALEN * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	skb  = alloc_skb(size, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	if (!skb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 		BT_ERR("%s Multicast list allocation failed", dev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	r = (void *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	__skb_put(skb, sizeof(*r));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	r->type = BNEP_CONTROL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	r->ctrl = BNEP_FILTER_MULTI_ADDR_SET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	if (dev->flags & (IFF_PROMISC | IFF_ALLMULTI)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 		u8 start[ETH_ALEN] = { 0x01 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 		/* Request all addresses */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 		__skb_put_data(skb, start, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		__skb_put_data(skb, dev->broadcast, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		r->len = htons(ETH_ALEN * 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 		struct netdev_hw_addr *ha;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		int i, len = skb->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		if (dev->flags & IFF_BROADCAST) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 			__skb_put_data(skb, dev->broadcast, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 			__skb_put_data(skb, dev->broadcast, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		/* FIXME: We should group addresses here. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		netdev_for_each_mc_addr(ha, dev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 			if (i == BNEP_MAX_MULTICAST_FILTERS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 				break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 			__skb_put_data(skb, ha->addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 			__skb_put_data(skb, ha->addr, ETH_ALEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 			i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 		r->len = htons(skb->len - len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	skb_queue_tail(&sk->sk_write_queue, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	wake_up_interruptible(sk_sleep(sk));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) static int bnep_net_set_mac_addr(struct net_device *dev, void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	BT_DBG("%s", dev->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static void bnep_net_timeout(struct net_device *dev, unsigned int txqueue)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	BT_DBG("net_timeout");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	netif_wake_queue(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #ifdef CONFIG_BT_BNEP_MC_FILTER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) static int bnep_net_mc_filter(struct sk_buff *skb, struct bnep_session *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	struct ethhdr *eh = (void *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	if ((eh->h_dest[0] & 1) && !test_bit(bnep_mc_hash(eh->h_dest), (ulong *) &s->mc_filter))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 		return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) #ifdef CONFIG_BT_BNEP_PROTO_FILTER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) /* Determine ether protocol. Based on eth_type_trans. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) static u16 bnep_net_eth_proto(struct sk_buff *skb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	struct ethhdr *eh = (void *) skb->data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	u16 proto = ntohs(eh->h_proto);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	if (proto >= ETH_P_802_3_MIN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		return proto;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	if (get_unaligned((__be16 *) skb->data) == htons(0xFFFF))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 		return ETH_P_802_3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	return ETH_P_802_2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static int bnep_net_proto_filter(struct sk_buff *skb, struct bnep_session *s)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	u16 proto = bnep_net_eth_proto(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	struct bnep_proto_filter *f = s->proto_filter;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	for (i = 0; i < BNEP_MAX_PROTO_FILTERS && f[i].end; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		if (proto >= f[i].start && proto <= f[i].end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 			return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	BT_DBG("BNEP: filtered skb %p, proto 0x%.4x", skb, proto);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static netdev_tx_t bnep_net_xmit(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 				 struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	struct bnep_session *s = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	struct sock *sk = s->sock->sk;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	BT_DBG("skb %p, dev %p", skb, dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) #ifdef CONFIG_BT_BNEP_MC_FILTER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	if (bnep_net_mc_filter(skb, s)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		return NETDEV_TX_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) #ifdef CONFIG_BT_BNEP_PROTO_FILTER
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	if (bnep_net_proto_filter(skb, s)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		return NETDEV_TX_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	 * We cannot send L2CAP packets from here as we are potentially in a bh.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	 * So we have to queue them and wake up session thread which is sleeping
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	 * on the sk_sleep(sk).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	netif_trans_update(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	skb_queue_tail(&sk->sk_write_queue, skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	wake_up_interruptible(sk_sleep(sk));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	if (skb_queue_len(&sk->sk_write_queue) >= BNEP_TX_QUEUE_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		BT_DBG("tx queue is full");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		/* Stop queuing.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 		 * Session thread will do netif_wake_queue() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		netif_stop_queue(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	return NETDEV_TX_OK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) static const struct net_device_ops bnep_netdev_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	.ndo_open            = bnep_net_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	.ndo_stop            = bnep_net_close,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	.ndo_start_xmit	     = bnep_net_xmit,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	.ndo_validate_addr   = eth_validate_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	.ndo_set_rx_mode     = bnep_net_set_mc_list,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	.ndo_set_mac_address = bnep_net_set_mac_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	.ndo_tx_timeout      = bnep_net_timeout,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) void bnep_net_setup(struct net_device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	eth_broadcast_addr(dev->broadcast);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	dev->addr_len = ETH_ALEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	ether_setup(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	dev->min_mtu = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	dev->max_mtu = ETH_MAX_MTU;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	dev->priv_flags &= ~IFF_TX_SKB_SHARING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	dev->netdev_ops = &bnep_netdev_ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	dev->watchdog_timeo  = HZ * 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }