Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * CAIF USB handler
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * Copyright (C) ST-Ericsson AB 2011
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Author:	Sjur Brendeland
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/netdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/mii.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/usb/usbnet.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/etherdevice.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <net/netns/generic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <net/caif/caif_dev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <net/caif/caif_layer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #include <net/caif/cfpkt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include <net/caif/cfcnfg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define CFUSB_PAD_DESCR_SZ 1	/* Alignment descriptor length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define CFUSB_ALIGNMENT 4	/* Number of bytes to align. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #define CFUSB_MAX_HEADLEN (CFUSB_PAD_DESCR_SZ + CFUSB_ALIGNMENT-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #define STE_USB_VID 0x04cc	/* USB Product ID for ST-Ericsson */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #define STE_USB_PID_CAIF 0x230f	/* Product id for CAIF Modems */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) struct cfusbl {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	struct cflayer layer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	u8 tx_eth_hdr[ETH_HLEN];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) static bool pack_added;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) static int cfusbl_receive(struct cflayer *layr, struct cfpkt *pkt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	u8 hpad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	/* Remove padding. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	cfpkt_extr_head(pkt, &hpad, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	cfpkt_extr_head(pkt, NULL, hpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	return layr->up->receive(layr->up, pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) static int cfusbl_transmit(struct cflayer *layr, struct cfpkt *pkt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	struct caif_payload_info *info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	u8 hpad;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	u8 zeros[CFUSB_ALIGNMENT];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 	struct sk_buff *skb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	struct cfusbl *usbl = container_of(layr, struct cfusbl, layer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	skb = cfpkt_tonative(pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	skb_reset_network_header(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	skb->protocol = htons(ETH_P_IP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	info = cfpkt_info(pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	hpad = (info->hdr_len + CFUSB_PAD_DESCR_SZ) & (CFUSB_ALIGNMENT - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 	if (skb_headroom(skb) < ETH_HLEN + CFUSB_PAD_DESCR_SZ + hpad) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 		pr_warn("Headroom too small\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 		kfree_skb(skb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	memset(zeros, 0, hpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	cfpkt_add_head(pkt, zeros, hpad);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	cfpkt_add_head(pkt, &hpad, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	cfpkt_add_head(pkt, usbl->tx_eth_hdr, sizeof(usbl->tx_eth_hdr));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	return layr->dn->transmit(layr->dn, pkt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) static void cfusbl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 			   int phyid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	if (layr->up && layr->up->ctrlcmd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		layr->up->ctrlcmd(layr->up, ctrl, layr->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 				      u8 braddr[ETH_ALEN])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	struct cfusbl *this = kmalloc(sizeof(struct cfusbl), GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	if (!this)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	caif_assert(offsetof(struct cfusbl, layer) == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	memset(&this->layer, 0, sizeof(this->layer));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	this->layer.receive = cfusbl_receive;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	this->layer.transmit = cfusbl_transmit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	this->layer.ctrlcmd = cfusbl_ctrlcmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	snprintf(this->layer.name, CAIF_LAYER_NAME_SZ, "usb%d", phyid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	this->layer.id = phyid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	 * Construct TX ethernet header:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	 *	0-5	destination address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	 *	5-11	source address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	 *	12-13	protocol type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	ether_addr_copy(&this->tx_eth_hdr[ETH_ALEN], braddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	ether_addr_copy(&this->tx_eth_hdr[ETH_ALEN], ethaddr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	this->tx_eth_hdr[12] = cpu_to_be16(ETH_P_802_EX1) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	this->tx_eth_hdr[13] = (cpu_to_be16(ETH_P_802_EX1) >> 8) & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	pr_debug("caif ethernet TX-header dst:%pM src:%pM type:%02x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 			this->tx_eth_hdr, this->tx_eth_hdr + ETH_ALEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 			this->tx_eth_hdr[12], this->tx_eth_hdr[13]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	return (struct cflayer *) this;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static void cfusbl_release(struct cflayer *layer)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	kfree(layer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) static struct packet_type caif_usb_type __read_mostly = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	.type = cpu_to_be16(ETH_P_802_EX1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static int cfusbl_device_notify(struct notifier_block *me, unsigned long what,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 				void *ptr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	struct caif_dev_common common;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	struct cflayer *layer, *link_support;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	struct usbnet *usbnet;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	struct usb_device *usbdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	/* Check whether we have a NCM device, and find its VID/PID. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	if (!(dev->dev.parent && dev->dev.parent->driver &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	      strcmp(dev->dev.parent->driver->name, "cdc_ncm") == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	usbnet = netdev_priv(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	usbdev = usbnet->udev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	pr_debug("USB CDC NCM device VID:0x%4x PID:0x%4x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 		le16_to_cpu(usbdev->descriptor.idVendor),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		le16_to_cpu(usbdev->descriptor.idProduct));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	/* Check for VID/PID that supports CAIF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	if (!(le16_to_cpu(usbdev->descriptor.idVendor) == STE_USB_VID &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 		le16_to_cpu(usbdev->descriptor.idProduct) == STE_USB_PID_CAIF))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	if (what == NETDEV_UNREGISTER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 		module_put(THIS_MODULE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	if (what != NETDEV_REGISTER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	__module_get(THIS_MODULE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	memset(&common, 0, sizeof(common));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	common.use_frag = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	common.use_fcs = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	common.use_stx = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	common.link_select = CAIF_LINK_HIGH_BANDW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	common.flowctrl = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	link_support = cfusbl_create(dev->ifindex, dev->dev_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 					dev->broadcast);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	if (!link_support)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 	if (dev->num_tx_queues > 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		pr_warn("USB device uses more than one tx queue\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	res = caif_enroll_dev(dev, &common, link_support, CFUSB_MAX_HEADLEN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			&layer, &caif_usb_type.func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	if (res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	if (!pack_added)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		dev_add_pack(&caif_usb_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	pack_added = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	strlcpy(layer->name, dev->name, sizeof(layer->name));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 	cfusbl_release(link_support);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 	return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static struct notifier_block caif_device_notifier = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	.notifier_call = cfusbl_device_notify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	.priority = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static int __init cfusbl_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	return register_netdevice_notifier(&caif_device_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) static void __exit cfusbl_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	unregister_netdevice_notifier(&caif_device_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	dev_remove_pack(&caif_usb_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) module_init(cfusbl_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) module_exit(cfusbl_exit);