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)  * MAC commands interface
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright 2007-2012 Siemens AG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * Written by:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * Sergey Lapin <slapin@ossfans.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/skbuff.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/if_arp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/ieee802154.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) #include <net/ieee802154_netdev.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #include <net/cfg802154.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #include <net/mac802154.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #include "ieee802154_i.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) #include "driver-ops.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) static int mac802154_mlme_start_req(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 				    struct ieee802154_addr *addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 				    u8 channel, u8 page,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 				    u8 bcn_ord, u8 sf_ord,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 				    u8 pan_coord, u8 blx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 				    u8 coord_realign)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	struct ieee802154_llsec_params params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	int changed = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	BUG_ON(addr->mode != IEEE802154_ADDR_SHORT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	dev->ieee802154_ptr->pan_id = addr->pan_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	dev->ieee802154_ptr->short_addr = addr->short_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	mac802154_dev_set_page_channel(dev, page, channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	params.pan_id = addr->pan_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	changed |= IEEE802154_LLSEC_PARAM_PAN_ID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	params.hwaddr = ieee802154_devaddr_from_raw(dev->dev_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	changed |= IEEE802154_LLSEC_PARAM_HWADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	params.coord_hwaddr = params.hwaddr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	changed |= IEEE802154_LLSEC_PARAM_COORD_HWADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	params.coord_shortaddr = addr->short_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	changed |= IEEE802154_LLSEC_PARAM_COORD_SHORTADDR;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	return mac802154_set_params(dev, &params, changed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) static int mac802154_set_mac_params(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 				    const struct ieee802154_mac_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	struct ieee802154_local *local = sdata->local;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	struct wpan_dev *wpan_dev = &sdata->wpan_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 	/* PHY */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	wpan_dev->wpan_phy->transmit_power = params->transmit_power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	wpan_dev->wpan_phy->cca = params->cca;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	wpan_dev->wpan_phy->cca_ed_level = params->cca_ed_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	/* MAC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	wpan_dev->min_be = params->min_be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	wpan_dev->max_be = params->max_be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	wpan_dev->csma_retries = params->csma_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	wpan_dev->frame_retries = params->frame_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	wpan_dev->lbt = params->lbt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	if (local->hw.phy->flags & WPAN_PHY_FLAG_TXPOWER) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		ret = drv_set_tx_power(local, params->transmit_power);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_MODE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		ret = drv_set_cca_mode(local, &params->cca);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 		ret = drv_set_cca_ed_level(local, params->cca_ed_level);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) static void mac802154_get_mac_params(struct net_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 				     struct ieee802154_mac_params *params)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	struct wpan_dev *wpan_dev = &sdata->wpan_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	/* PHY */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	params->transmit_power = wpan_dev->wpan_phy->transmit_power;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	params->cca = wpan_dev->wpan_phy->cca;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	params->cca_ed_level = wpan_dev->wpan_phy->cca_ed_level;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	/* MAC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	params->min_be = wpan_dev->min_be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	params->max_be = wpan_dev->max_be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	params->csma_retries = wpan_dev->csma_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	params->frame_retries = wpan_dev->frame_retries;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	params->lbt = wpan_dev->lbt;
^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) static const struct ieee802154_llsec_ops mac802154_llsec_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	.get_params = mac802154_get_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	.set_params = mac802154_set_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	.add_key = mac802154_add_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	.del_key = mac802154_del_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	.add_dev = mac802154_add_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	.del_dev = mac802154_del_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	.add_devkey = mac802154_add_devkey,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	.del_devkey = mac802154_del_devkey,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	.add_seclevel = mac802154_add_seclevel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	.del_seclevel = mac802154_del_seclevel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	.lock_table = mac802154_lock_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	.get_table = mac802154_get_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	.unlock_table = mac802154_unlock_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct ieee802154_mlme_ops mac802154_mlme_wpan = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	.start_req = mac802154_mlme_start_req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	.llsec = &mac802154_llsec_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	.set_mac_params = mac802154_set_mac_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	.get_mac_params = mac802154_get_mac_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) };