1 /* This program is free software; you can redistribute it and/or modify
2 * it under the terms of the GNU General Public License version 2
3 * as published by the Free Software Foundation.
5 * This program is distributed in the hope that it will be useful,
6 * but WITHOUT ANY WARRANTY; without even the implied warranty of
7 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8 * GNU General Public License for more details.
11 * Alexander Aring <aar@pengutronix.de>
13 * Based on: net/wireless/nl80211.c
16 #include <linux/rtnetlink.h>
18 #include <net/cfg802154.h>
19 #include <net/genetlink.h>
20 #include <net/mac802154.h>
21 #include <net/netlink.h>
22 #include <net/nl802154.h>
29 /* the netlink family */
30 static struct genl_family nl802154_fam
;
32 /* multicast groups */
33 enum nl802154_multicast_groups
{
34 NL802154_MCGRP_CONFIG
,
37 static const struct genl_multicast_group nl802154_mcgrps
[] = {
38 [NL802154_MCGRP_CONFIG
] = { .name
= "config", },
41 /* returns ERR_PTR values */
42 static struct wpan_dev
*
43 __cfg802154_wpan_dev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
45 struct cfg802154_registered_device
*rdev
;
46 struct wpan_dev
*result
= NULL
;
47 bool have_ifidx
= attrs
[NL802154_ATTR_IFINDEX
];
48 bool have_wpan_dev_id
= attrs
[NL802154_ATTR_WPAN_DEV
];
50 int wpan_phy_idx
= -1;
55 if (!have_ifidx
&& !have_wpan_dev_id
)
56 return ERR_PTR(-EINVAL
);
59 ifidx
= nla_get_u32(attrs
[NL802154_ATTR_IFINDEX
]);
60 if (have_wpan_dev_id
) {
61 wpan_dev_id
= nla_get_u64(attrs
[NL802154_ATTR_WPAN_DEV
]);
62 wpan_phy_idx
= wpan_dev_id
>> 32;
65 list_for_each_entry(rdev
, &cfg802154_rdev_list
, list
) {
66 struct wpan_dev
*wpan_dev
;
68 if (wpan_phy_net(&rdev
->wpan_phy
) != netns
)
71 if (have_wpan_dev_id
&& rdev
->wpan_phy_idx
!= wpan_phy_idx
)
74 list_for_each_entry(wpan_dev
, &rdev
->wpan_dev_list
, list
) {
75 if (have_ifidx
&& wpan_dev
->netdev
&&
76 wpan_dev
->netdev
->ifindex
== ifidx
) {
80 if (have_wpan_dev_id
&&
81 wpan_dev
->identifier
== (u32
)wpan_dev_id
) {
94 return ERR_PTR(-ENODEV
);
97 static struct cfg802154_registered_device
*
98 __cfg802154_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
100 struct cfg802154_registered_device
*rdev
= NULL
, *tmp
;
101 struct net_device
*netdev
;
105 if (!attrs
[NL802154_ATTR_WPAN_PHY
] &&
106 !attrs
[NL802154_ATTR_IFINDEX
] &&
107 !attrs
[NL802154_ATTR_WPAN_DEV
])
108 return ERR_PTR(-EINVAL
);
110 if (attrs
[NL802154_ATTR_WPAN_PHY
])
111 rdev
= cfg802154_rdev_by_wpan_phy_idx(
112 nla_get_u32(attrs
[NL802154_ATTR_WPAN_PHY
]));
114 if (attrs
[NL802154_ATTR_WPAN_DEV
]) {
115 u64 wpan_dev_id
= nla_get_u64(attrs
[NL802154_ATTR_WPAN_DEV
]);
116 struct wpan_dev
*wpan_dev
;
119 tmp
= cfg802154_rdev_by_wpan_phy_idx(wpan_dev_id
>> 32);
121 /* make sure wpan_dev exists */
122 list_for_each_entry(wpan_dev
, &tmp
->wpan_dev_list
, list
) {
123 if (wpan_dev
->identifier
!= (u32
)wpan_dev_id
)
132 if (rdev
&& tmp
!= rdev
)
133 return ERR_PTR(-EINVAL
);
138 if (attrs
[NL802154_ATTR_IFINDEX
]) {
139 int ifindex
= nla_get_u32(attrs
[NL802154_ATTR_IFINDEX
]);
141 netdev
= __dev_get_by_index(netns
, ifindex
);
143 if (netdev
->ieee802154_ptr
)
144 tmp
= wpan_phy_to_rdev(
145 netdev
->ieee802154_ptr
->wpan_phy
);
149 /* not wireless device -- return error */
151 return ERR_PTR(-EINVAL
);
153 /* mismatch -- return error */
154 if (rdev
&& tmp
!= rdev
)
155 return ERR_PTR(-EINVAL
);
162 return ERR_PTR(-ENODEV
);
164 if (netns
!= wpan_phy_net(&rdev
->wpan_phy
))
165 return ERR_PTR(-ENODEV
);
170 /* This function returns a pointer to the driver
171 * that the genl_info item that is passed refers to.
173 * The result of this can be a PTR_ERR and hence must
174 * be checked with IS_ERR() for errors.
176 static struct cfg802154_registered_device
*
177 cfg802154_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
179 return __cfg802154_rdev_from_attrs(netns
, info
->attrs
);
182 /* policy for the attributes */
183 static const struct nla_policy nl802154_policy
[NL802154_ATTR_MAX
+1] = {
184 [NL802154_ATTR_WPAN_PHY
] = { .type
= NLA_U32
},
185 [NL802154_ATTR_WPAN_PHY_NAME
] = { .type
= NLA_NUL_STRING
,
188 [NL802154_ATTR_IFINDEX
] = { .type
= NLA_U32
},
189 [NL802154_ATTR_IFTYPE
] = { .type
= NLA_U32
},
190 [NL802154_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
192 [NL802154_ATTR_WPAN_DEV
] = { .type
= NLA_U64
},
194 [NL802154_ATTR_PAGE
] = { .type
= NLA_U8
, },
195 [NL802154_ATTR_CHANNEL
] = { .type
= NLA_U8
, },
197 [NL802154_ATTR_TX_POWER
] = { .type
= NLA_S32
, },
199 [NL802154_ATTR_CCA_MODE
] = { .type
= NLA_U32
, },
200 [NL802154_ATTR_CCA_OPT
] = { .type
= NLA_U32
, },
201 [NL802154_ATTR_CCA_ED_LEVEL
] = { .type
= NLA_S32
, },
203 [NL802154_ATTR_SUPPORTED_CHANNEL
] = { .type
= NLA_U32
, },
205 [NL802154_ATTR_PAN_ID
] = { .type
= NLA_U16
, },
206 [NL802154_ATTR_EXTENDED_ADDR
] = { .type
= NLA_U64
},
207 [NL802154_ATTR_SHORT_ADDR
] = { .type
= NLA_U16
, },
209 [NL802154_ATTR_MIN_BE
] = { .type
= NLA_U8
, },
210 [NL802154_ATTR_MAX_BE
] = { .type
= NLA_U8
, },
211 [NL802154_ATTR_MAX_CSMA_BACKOFFS
] = { .type
= NLA_U8
, },
213 [NL802154_ATTR_MAX_FRAME_RETRIES
] = { .type
= NLA_S8
, },
215 [NL802154_ATTR_LBT_MODE
] = { .type
= NLA_U8
, },
217 [NL802154_ATTR_WPAN_PHY_CAPS
] = { .type
= NLA_NESTED
},
219 [NL802154_ATTR_SUPPORTED_COMMANDS
] = { .type
= NLA_NESTED
},
221 [NL802154_ATTR_ACKREQ_DEFAULT
] = { .type
= NLA_U8
},
223 [NL802154_ATTR_PID
] = { .type
= NLA_U32
},
224 [NL802154_ATTR_NETNS_FD
] = { .type
= NLA_U32
},
225 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
226 [NL802154_ATTR_SEC_ENABLED
] = { .type
= NLA_U8
, },
227 [NL802154_ATTR_SEC_OUT_LEVEL
] = { .type
= NLA_U32
, },
228 [NL802154_ATTR_SEC_OUT_KEY_ID
] = { .type
= NLA_NESTED
, },
229 [NL802154_ATTR_SEC_FRAME_COUNTER
] = { .type
= NLA_U32
},
231 [NL802154_ATTR_SEC_LEVEL
] = { .type
= NLA_NESTED
},
232 [NL802154_ATTR_SEC_DEVICE
] = { .type
= NLA_NESTED
},
233 [NL802154_ATTR_SEC_DEVKEY
] = { .type
= NLA_NESTED
},
234 [NL802154_ATTR_SEC_KEY
] = { .type
= NLA_NESTED
},
235 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
238 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
240 nl802154_prepare_wpan_dev_dump(struct sk_buff
*skb
,
241 struct netlink_callback
*cb
,
242 struct cfg802154_registered_device
**rdev
,
243 struct wpan_dev
**wpan_dev
)
250 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl802154_fam
.hdrsize
,
251 genl_family_attrbuf(&nl802154_fam
),
252 nl802154_fam
.maxattr
,
257 *wpan_dev
= __cfg802154_wpan_dev_from_attrs(sock_net(skb
->sk
),
258 genl_family_attrbuf(&nl802154_fam
));
259 if (IS_ERR(*wpan_dev
)) {
260 err
= PTR_ERR(*wpan_dev
);
263 *rdev
= wpan_phy_to_rdev((*wpan_dev
)->wpan_phy
);
264 /* 0 is the first index - add 1 to parse only once */
265 cb
->args
[0] = (*rdev
)->wpan_phy_idx
+ 1;
266 cb
->args
[1] = (*wpan_dev
)->identifier
;
268 /* subtract the 1 again here */
269 struct wpan_phy
*wpan_phy
= wpan_phy_idx_to_wpan_phy(cb
->args
[0] - 1);
270 struct wpan_dev
*tmp
;
276 *rdev
= wpan_phy_to_rdev(wpan_phy
);
279 list_for_each_entry(tmp
, &(*rdev
)->wpan_dev_list
, list
) {
280 if (tmp
->identifier
== cb
->args
[1]) {
299 nl802154_finish_wpan_dev_dump(struct cfg802154_registered_device
*rdev
)
303 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
305 /* message building helper */
306 static inline void *nl802154hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
309 /* since there is no private header just add the generic one */
310 return genlmsg_put(skb
, portid
, seq
, &nl802154_fam
, flags
, cmd
);
314 nl802154_put_flags(struct sk_buff
*msg
, int attr
, u32 mask
)
316 struct nlattr
*nl_flags
= nla_nest_start(msg
, attr
);
324 if ((mask
& 1) && nla_put_flag(msg
, i
))
331 nla_nest_end(msg
, nl_flags
);
336 nl802154_send_wpan_phy_channels(struct cfg802154_registered_device
*rdev
,
339 struct nlattr
*nl_page
;
342 nl_page
= nla_nest_start(msg
, NL802154_ATTR_CHANNELS_SUPPORTED
);
346 for (page
= 0; page
<= IEEE802154_MAX_PAGE
; page
++) {
347 if (nla_put_u32(msg
, NL802154_ATTR_SUPPORTED_CHANNEL
,
348 rdev
->wpan_phy
.supported
.channels
[page
]))
351 nla_nest_end(msg
, nl_page
);
357 nl802154_put_capabilities(struct sk_buff
*msg
,
358 struct cfg802154_registered_device
*rdev
)
360 const struct wpan_phy_supported
*caps
= &rdev
->wpan_phy
.supported
;
361 struct nlattr
*nl_caps
, *nl_channels
;
364 nl_caps
= nla_nest_start(msg
, NL802154_ATTR_WPAN_PHY_CAPS
);
368 nl_channels
= nla_nest_start(msg
, NL802154_CAP_ATTR_CHANNELS
);
372 for (i
= 0; i
<= IEEE802154_MAX_PAGE
; i
++) {
373 if (caps
->channels
[i
]) {
374 if (nl802154_put_flags(msg
, i
, caps
->channels
[i
]))
379 nla_nest_end(msg
, nl_channels
);
381 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_ED_LEVEL
) {
382 struct nlattr
*nl_ed_lvls
;
384 nl_ed_lvls
= nla_nest_start(msg
,
385 NL802154_CAP_ATTR_CCA_ED_LEVELS
);
389 for (i
= 0; i
< caps
->cca_ed_levels_size
; i
++) {
390 if (nla_put_s32(msg
, i
, caps
->cca_ed_levels
[i
]))
394 nla_nest_end(msg
, nl_ed_lvls
);
397 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_TXPOWER
) {
398 struct nlattr
*nl_tx_pwrs
;
400 nl_tx_pwrs
= nla_nest_start(msg
, NL802154_CAP_ATTR_TX_POWERS
);
404 for (i
= 0; i
< caps
->tx_powers_size
; i
++) {
405 if (nla_put_s32(msg
, i
, caps
->tx_powers
[i
]))
409 nla_nest_end(msg
, nl_tx_pwrs
);
412 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_MODE
) {
413 if (nl802154_put_flags(msg
, NL802154_CAP_ATTR_CCA_MODES
,
415 nl802154_put_flags(msg
, NL802154_CAP_ATTR_CCA_OPTS
,
420 if (nla_put_u8(msg
, NL802154_CAP_ATTR_MIN_MINBE
, caps
->min_minbe
) ||
421 nla_put_u8(msg
, NL802154_CAP_ATTR_MAX_MINBE
, caps
->max_minbe
) ||
422 nla_put_u8(msg
, NL802154_CAP_ATTR_MIN_MAXBE
, caps
->min_maxbe
) ||
423 nla_put_u8(msg
, NL802154_CAP_ATTR_MAX_MAXBE
, caps
->max_maxbe
) ||
424 nla_put_u8(msg
, NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS
,
425 caps
->min_csma_backoffs
) ||
426 nla_put_u8(msg
, NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS
,
427 caps
->max_csma_backoffs
) ||
428 nla_put_s8(msg
, NL802154_CAP_ATTR_MIN_FRAME_RETRIES
,
429 caps
->min_frame_retries
) ||
430 nla_put_s8(msg
, NL802154_CAP_ATTR_MAX_FRAME_RETRIES
,
431 caps
->max_frame_retries
) ||
432 nl802154_put_flags(msg
, NL802154_CAP_ATTR_IFTYPES
,
434 nla_put_u32(msg
, NL802154_CAP_ATTR_LBT
, caps
->lbt
))
437 nla_nest_end(msg
, nl_caps
);
442 static int nl802154_send_wpan_phy(struct cfg802154_registered_device
*rdev
,
443 enum nl802154_commands cmd
,
444 struct sk_buff
*msg
, u32 portid
, u32 seq
,
447 struct nlattr
*nl_cmds
;
451 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
455 if (nla_put_u32(msg
, NL802154_ATTR_WPAN_PHY
, rdev
->wpan_phy_idx
) ||
456 nla_put_string(msg
, NL802154_ATTR_WPAN_PHY_NAME
,
457 wpan_phy_name(&rdev
->wpan_phy
)) ||
458 nla_put_u32(msg
, NL802154_ATTR_GENERATION
,
459 cfg802154_rdev_list_generation
))
460 goto nla_put_failure
;
462 if (cmd
!= NL802154_CMD_NEW_WPAN_PHY
)
467 /* current channel settings */
468 if (nla_put_u8(msg
, NL802154_ATTR_PAGE
,
469 rdev
->wpan_phy
.current_page
) ||
470 nla_put_u8(msg
, NL802154_ATTR_CHANNEL
,
471 rdev
->wpan_phy
.current_channel
))
472 goto nla_put_failure
;
474 /* TODO remove this behaviour, we still keep support it for a while
475 * so users can change the behaviour to the new one.
477 if (nl802154_send_wpan_phy_channels(rdev
, msg
))
478 goto nla_put_failure
;
481 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_MODE
) {
482 if (nla_put_u32(msg
, NL802154_ATTR_CCA_MODE
,
483 rdev
->wpan_phy
.cca
.mode
))
484 goto nla_put_failure
;
486 if (rdev
->wpan_phy
.cca
.mode
== NL802154_CCA_ENERGY_CARRIER
) {
487 if (nla_put_u32(msg
, NL802154_ATTR_CCA_OPT
,
488 rdev
->wpan_phy
.cca
.opt
))
489 goto nla_put_failure
;
493 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_TXPOWER
) {
494 if (nla_put_s32(msg
, NL802154_ATTR_TX_POWER
,
495 rdev
->wpan_phy
.transmit_power
))
496 goto nla_put_failure
;
499 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_ED_LEVEL
) {
500 if (nla_put_s32(msg
, NL802154_ATTR_CCA_ED_LEVEL
,
501 rdev
->wpan_phy
.cca_ed_level
))
502 goto nla_put_failure
;
505 if (nl802154_put_capabilities(msg
, rdev
))
506 goto nla_put_failure
;
508 nl_cmds
= nla_nest_start(msg
, NL802154_ATTR_SUPPORTED_COMMANDS
);
510 goto nla_put_failure
;
515 if (rdev->ops->op) { \
517 if (nla_put_u32(msg, i, NL802154_CMD_ ## n)) \
518 goto nla_put_failure; \
522 CMD(add_virtual_intf
, NEW_INTERFACE
);
523 CMD(del_virtual_intf
, DEL_INTERFACE
);
524 CMD(set_channel
, SET_CHANNEL
);
525 CMD(set_pan_id
, SET_PAN_ID
);
526 CMD(set_short_addr
, SET_SHORT_ADDR
);
527 CMD(set_backoff_exponent
, SET_BACKOFF_EXPONENT
);
528 CMD(set_max_csma_backoffs
, SET_MAX_CSMA_BACKOFFS
);
529 CMD(set_max_frame_retries
, SET_MAX_FRAME_RETRIES
);
530 CMD(set_lbt_mode
, SET_LBT_MODE
);
531 CMD(set_ackreq_default
, SET_ACKREQ_DEFAULT
);
533 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_TXPOWER
)
534 CMD(set_tx_power
, SET_TX_POWER
);
536 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_ED_LEVEL
)
537 CMD(set_cca_ed_level
, SET_CCA_ED_LEVEL
);
539 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_MODE
)
540 CMD(set_cca_mode
, SET_CCA_MODE
);
543 nla_nest_end(msg
, nl_cmds
);
546 genlmsg_end(msg
, hdr
);
550 genlmsg_cancel(msg
, hdr
);
554 struct nl802154_dump_wpan_phy_state
{
560 static int nl802154_dump_wpan_phy_parse(struct sk_buff
*skb
,
561 struct netlink_callback
*cb
,
562 struct nl802154_dump_wpan_phy_state
*state
)
564 struct nlattr
**tb
= genl_family_attrbuf(&nl802154_fam
);
565 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl802154_fam
.hdrsize
,
566 tb
, nl802154_fam
.maxattr
, nl802154_policy
);
568 /* TODO check if we can handle error here,
569 * we have no backward compatibility
574 if (tb
[NL802154_ATTR_WPAN_PHY
])
575 state
->filter_wpan_phy
= nla_get_u32(tb
[NL802154_ATTR_WPAN_PHY
]);
576 if (tb
[NL802154_ATTR_WPAN_DEV
])
577 state
->filter_wpan_phy
= nla_get_u64(tb
[NL802154_ATTR_WPAN_DEV
]) >> 32;
578 if (tb
[NL802154_ATTR_IFINDEX
]) {
579 struct net_device
*netdev
;
580 struct cfg802154_registered_device
*rdev
;
581 int ifidx
= nla_get_u32(tb
[NL802154_ATTR_IFINDEX
]);
583 netdev
= __dev_get_by_index(&init_net
, ifidx
);
586 if (netdev
->ieee802154_ptr
) {
587 rdev
= wpan_phy_to_rdev(
588 netdev
->ieee802154_ptr
->wpan_phy
);
589 state
->filter_wpan_phy
= rdev
->wpan_phy_idx
;
597 nl802154_dump_wpan_phy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
600 struct nl802154_dump_wpan_phy_state
*state
= (void *)cb
->args
[0];
601 struct cfg802154_registered_device
*rdev
;
605 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
610 state
->filter_wpan_phy
= -1;
611 ret
= nl802154_dump_wpan_phy_parse(skb
, cb
, state
);
617 cb
->args
[0] = (long)state
;
620 list_for_each_entry(rdev
, &cfg802154_rdev_list
, list
) {
621 if (!net_eq(wpan_phy_net(&rdev
->wpan_phy
), sock_net(skb
->sk
)))
623 if (++idx
<= state
->start
)
625 if (state
->filter_wpan_phy
!= -1 &&
626 state
->filter_wpan_phy
!= rdev
->wpan_phy_idx
)
628 /* attempt to fit multiple wpan_phy data chunks into the skb */
629 ret
= nl802154_send_wpan_phy(rdev
,
630 NL802154_CMD_NEW_WPAN_PHY
,
632 NETLINK_CB(cb
->skb
).portid
,
633 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
);
635 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
636 !skb
->len
&& cb
->min_dump_alloc
< 4096) {
637 cb
->min_dump_alloc
= 4096;
653 static int nl802154_dump_wpan_phy_done(struct netlink_callback
*cb
)
655 kfree((void *)cb
->args
[0]);
659 static int nl802154_get_wpan_phy(struct sk_buff
*skb
, struct genl_info
*info
)
662 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
664 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
668 if (nl802154_send_wpan_phy(rdev
, NL802154_CMD_NEW_WPAN_PHY
, msg
,
669 info
->snd_portid
, info
->snd_seq
, 0) < 0) {
674 return genlmsg_reply(msg
, info
);
677 static inline u64
wpan_dev_id(struct wpan_dev
*wpan_dev
)
679 return (u64
)wpan_dev
->identifier
|
680 ((u64
)wpan_phy_to_rdev(wpan_dev
->wpan_phy
)->wpan_phy_idx
<< 32);
683 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
684 #include <net/ieee802154_netdev.h>
687 ieee802154_llsec_send_key_id(struct sk_buff
*msg
,
688 const struct ieee802154_llsec_key_id
*desc
)
690 struct nlattr
*nl_dev_addr
;
692 if (nla_put_u32(msg
, NL802154_KEY_ID_ATTR_MODE
, desc
->mode
))
695 switch (desc
->mode
) {
696 case NL802154_KEY_ID_MODE_IMPLICIT
:
697 nl_dev_addr
= nla_nest_start(msg
, NL802154_KEY_ID_ATTR_IMPLICIT
);
701 if (nla_put_le16(msg
, NL802154_DEV_ADDR_ATTR_PAN_ID
,
702 desc
->device_addr
.pan_id
) ||
703 nla_put_u32(msg
, NL802154_DEV_ADDR_ATTR_MODE
,
704 desc
->device_addr
.mode
))
707 switch (desc
->device_addr
.mode
) {
708 case NL802154_DEV_ADDR_SHORT
:
709 if (nla_put_le16(msg
, NL802154_DEV_ADDR_ATTR_SHORT
,
710 desc
->device_addr
.short_addr
))
713 case NL802154_DEV_ADDR_EXTENDED
:
714 if (nla_put_le64(msg
, NL802154_DEV_ADDR_ATTR_EXTENDED
,
715 desc
->device_addr
.extended_addr
,
716 NL802154_DEV_ADDR_ATTR_PAD
))
720 /* userspace should handle unknown */
724 nla_nest_end(msg
, nl_dev_addr
);
726 case NL802154_KEY_ID_MODE_INDEX
:
728 case NL802154_KEY_ID_MODE_INDEX_SHORT
:
729 /* TODO renmae short_source? */
730 if (nla_put_le32(msg
, NL802154_KEY_ID_ATTR_SOURCE_SHORT
,
734 case NL802154_KEY_ID_MODE_INDEX_EXTENDED
:
735 if (nla_put_le64(msg
, NL802154_KEY_ID_ATTR_SOURCE_EXTENDED
,
736 desc
->extended_source
,
737 NL802154_KEY_ID_ATTR_PAD
))
741 /* userspace should handle unknown */
745 /* TODO key_id to key_idx ? Check naming */
746 if (desc
->mode
!= NL802154_KEY_ID_MODE_IMPLICIT
) {
747 if (nla_put_u8(msg
, NL802154_KEY_ID_ATTR_INDEX
, desc
->id
))
754 static int nl802154_get_llsec_params(struct sk_buff
*msg
,
755 struct cfg802154_registered_device
*rdev
,
756 struct wpan_dev
*wpan_dev
)
758 struct nlattr
*nl_key_id
;
759 struct ieee802154_llsec_params params
;
762 ret
= rdev_get_llsec_params(rdev
, wpan_dev
, ¶ms
);
766 if (nla_put_u8(msg
, NL802154_ATTR_SEC_ENABLED
, params
.enabled
) ||
767 nla_put_u32(msg
, NL802154_ATTR_SEC_OUT_LEVEL
, params
.out_level
) ||
768 nla_put_be32(msg
, NL802154_ATTR_SEC_FRAME_COUNTER
,
769 params
.frame_counter
))
772 nl_key_id
= nla_nest_start(msg
, NL802154_ATTR_SEC_OUT_KEY_ID
);
776 ret
= ieee802154_llsec_send_key_id(msg
, ¶ms
.out_key
);
780 nla_nest_end(msg
, nl_key_id
);
784 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
787 nl802154_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
788 struct cfg802154_registered_device
*rdev
,
789 struct wpan_dev
*wpan_dev
)
791 struct net_device
*dev
= wpan_dev
->netdev
;
794 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
,
795 NL802154_CMD_NEW_INTERFACE
);
800 (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
) ||
801 nla_put_string(msg
, NL802154_ATTR_IFNAME
, dev
->name
)))
802 goto nla_put_failure
;
804 if (nla_put_u32(msg
, NL802154_ATTR_WPAN_PHY
, rdev
->wpan_phy_idx
) ||
805 nla_put_u32(msg
, NL802154_ATTR_IFTYPE
, wpan_dev
->iftype
) ||
806 nla_put_u64_64bit(msg
, NL802154_ATTR_WPAN_DEV
,
807 wpan_dev_id(wpan_dev
), NL802154_ATTR_PAD
) ||
808 nla_put_u32(msg
, NL802154_ATTR_GENERATION
,
809 rdev
->devlist_generation
^
810 (cfg802154_rdev_list_generation
<< 2)))
811 goto nla_put_failure
;
813 /* address settings */
814 if (nla_put_le64(msg
, NL802154_ATTR_EXTENDED_ADDR
,
815 wpan_dev
->extended_addr
,
816 NL802154_ATTR_PAD
) ||
817 nla_put_le16(msg
, NL802154_ATTR_SHORT_ADDR
,
818 wpan_dev
->short_addr
) ||
819 nla_put_le16(msg
, NL802154_ATTR_PAN_ID
, wpan_dev
->pan_id
))
820 goto nla_put_failure
;
823 if (nla_put_s8(msg
, NL802154_ATTR_MAX_FRAME_RETRIES
,
824 wpan_dev
->frame_retries
) ||
825 nla_put_u8(msg
, NL802154_ATTR_MAX_BE
, wpan_dev
->max_be
) ||
826 nla_put_u8(msg
, NL802154_ATTR_MAX_CSMA_BACKOFFS
,
827 wpan_dev
->csma_retries
) ||
828 nla_put_u8(msg
, NL802154_ATTR_MIN_BE
, wpan_dev
->min_be
))
829 goto nla_put_failure
;
831 /* listen before transmit */
832 if (nla_put_u8(msg
, NL802154_ATTR_LBT_MODE
, wpan_dev
->lbt
))
833 goto nla_put_failure
;
835 /* ackreq default behaviour */
836 if (nla_put_u8(msg
, NL802154_ATTR_ACKREQ_DEFAULT
, wpan_dev
->ackreq
))
837 goto nla_put_failure
;
839 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
840 if (nl802154_get_llsec_params(msg
, rdev
, wpan_dev
) < 0)
841 goto nla_put_failure
;
842 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
844 genlmsg_end(msg
, hdr
);
848 genlmsg_cancel(msg
, hdr
);
853 nl802154_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
857 int wp_start
= cb
->args
[0];
858 int if_start
= cb
->args
[1];
859 struct cfg802154_registered_device
*rdev
;
860 struct wpan_dev
*wpan_dev
;
863 list_for_each_entry(rdev
, &cfg802154_rdev_list
, list
) {
864 if (!net_eq(wpan_phy_net(&rdev
->wpan_phy
), sock_net(skb
->sk
)))
866 if (wp_idx
< wp_start
) {
872 list_for_each_entry(wpan_dev
, &rdev
->wpan_dev_list
, list
) {
873 if (if_idx
< if_start
) {
877 if (nl802154_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
878 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
879 rdev
, wpan_dev
) < 0) {
890 cb
->args
[0] = wp_idx
;
891 cb
->args
[1] = if_idx
;
896 static int nl802154_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
899 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
900 struct wpan_dev
*wdev
= info
->user_ptr
[1];
902 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
906 if (nl802154_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
912 return genlmsg_reply(msg
, info
);
915 static int nl802154_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
917 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
918 enum nl802154_iftype type
= NL802154_IFTYPE_UNSPEC
;
919 __le64 extended_addr
= cpu_to_le64(0x0000000000000000ULL
);
921 /* TODO avoid failing a new interface
922 * creation due to pending removal?
925 if (!info
->attrs
[NL802154_ATTR_IFNAME
])
928 if (info
->attrs
[NL802154_ATTR_IFTYPE
]) {
929 type
= nla_get_u32(info
->attrs
[NL802154_ATTR_IFTYPE
]);
930 if (type
> NL802154_IFTYPE_MAX
||
931 !(rdev
->wpan_phy
.supported
.iftypes
& BIT(type
)))
935 if (info
->attrs
[NL802154_ATTR_EXTENDED_ADDR
])
936 extended_addr
= nla_get_le64(info
->attrs
[NL802154_ATTR_EXTENDED_ADDR
]);
938 if (!rdev
->ops
->add_virtual_intf
)
941 return rdev_add_virtual_intf(rdev
,
942 nla_data(info
->attrs
[NL802154_ATTR_IFNAME
]),
943 NET_NAME_USER
, type
, extended_addr
);
946 static int nl802154_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
948 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
949 struct wpan_dev
*wpan_dev
= info
->user_ptr
[1];
951 if (!rdev
->ops
->del_virtual_intf
)
954 /* If we remove a wpan device without a netdev then clear
955 * user_ptr[1] so that nl802154_post_doit won't dereference it
956 * to check if it needs to do dev_put(). Otherwise it crashes
957 * since the wpan_dev has been freed, unlike with a netdev where
958 * we need the dev_put() for the netdev to really be freed.
960 if (!wpan_dev
->netdev
)
961 info
->user_ptr
[1] = NULL
;
963 return rdev_del_virtual_intf(rdev
, wpan_dev
);
966 static int nl802154_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
968 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
971 if (!info
->attrs
[NL802154_ATTR_PAGE
] ||
972 !info
->attrs
[NL802154_ATTR_CHANNEL
])
975 page
= nla_get_u8(info
->attrs
[NL802154_ATTR_PAGE
]);
976 channel
= nla_get_u8(info
->attrs
[NL802154_ATTR_CHANNEL
]);
978 /* check 802.15.4 constraints */
979 if (page
> IEEE802154_MAX_PAGE
|| channel
> IEEE802154_MAX_CHANNEL
||
980 !(rdev
->wpan_phy
.supported
.channels
[page
] & BIT(channel
)))
983 return rdev_set_channel(rdev
, page
, channel
);
986 static int nl802154_set_cca_mode(struct sk_buff
*skb
, struct genl_info
*info
)
988 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
989 struct wpan_phy_cca cca
;
991 if (!(rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_MODE
))
994 if (!info
->attrs
[NL802154_ATTR_CCA_MODE
])
997 cca
.mode
= nla_get_u32(info
->attrs
[NL802154_ATTR_CCA_MODE
]);
998 /* checking 802.15.4 constraints */
999 if (cca
.mode
< NL802154_CCA_ENERGY
||
1000 cca
.mode
> NL802154_CCA_ATTR_MAX
||
1001 !(rdev
->wpan_phy
.supported
.cca_modes
& BIT(cca
.mode
)))
1004 if (cca
.mode
== NL802154_CCA_ENERGY_CARRIER
) {
1005 if (!info
->attrs
[NL802154_ATTR_CCA_OPT
])
1008 cca
.opt
= nla_get_u32(info
->attrs
[NL802154_ATTR_CCA_OPT
]);
1009 if (cca
.opt
> NL802154_CCA_OPT_ATTR_MAX
||
1010 !(rdev
->wpan_phy
.supported
.cca_opts
& BIT(cca
.opt
)))
1014 return rdev_set_cca_mode(rdev
, &cca
);
1017 static int nl802154_set_cca_ed_level(struct sk_buff
*skb
, struct genl_info
*info
)
1019 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1023 if (!(rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_ED_LEVEL
))
1026 if (!info
->attrs
[NL802154_ATTR_CCA_ED_LEVEL
])
1029 ed_level
= nla_get_s32(info
->attrs
[NL802154_ATTR_CCA_ED_LEVEL
]);
1031 for (i
= 0; i
< rdev
->wpan_phy
.supported
.cca_ed_levels_size
; i
++) {
1032 if (ed_level
== rdev
->wpan_phy
.supported
.cca_ed_levels
[i
])
1033 return rdev_set_cca_ed_level(rdev
, ed_level
);
1039 static int nl802154_set_tx_power(struct sk_buff
*skb
, struct genl_info
*info
)
1041 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1045 if (!(rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_TXPOWER
))
1048 if (!info
->attrs
[NL802154_ATTR_TX_POWER
])
1051 power
= nla_get_s32(info
->attrs
[NL802154_ATTR_TX_POWER
]);
1053 for (i
= 0; i
< rdev
->wpan_phy
.supported
.tx_powers_size
; i
++) {
1054 if (power
== rdev
->wpan_phy
.supported
.tx_powers
[i
])
1055 return rdev_set_tx_power(rdev
, power
);
1061 static int nl802154_set_pan_id(struct sk_buff
*skb
, struct genl_info
*info
)
1063 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1064 struct net_device
*dev
= info
->user_ptr
[1];
1065 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1068 /* conflict here while tx/rx calls */
1069 if (netif_running(dev
))
1072 if (wpan_dev
->lowpan_dev
) {
1073 if (netif_running(wpan_dev
->lowpan_dev
))
1077 /* don't change address fields on monitor */
1078 if (wpan_dev
->iftype
== NL802154_IFTYPE_MONITOR
||
1079 !info
->attrs
[NL802154_ATTR_PAN_ID
])
1082 pan_id
= nla_get_le16(info
->attrs
[NL802154_ATTR_PAN_ID
]);
1085 * I am not sure about to check here on broadcast pan_id.
1086 * Broadcast is a valid setting, comment from 802.15.4:
1087 * If this value is 0xffff, the device is not associated.
1089 * This could useful to simple deassociate an device.
1091 if (pan_id
== cpu_to_le16(IEEE802154_PAN_ID_BROADCAST
))
1094 return rdev_set_pan_id(rdev
, wpan_dev
, pan_id
);
1097 static int nl802154_set_short_addr(struct sk_buff
*skb
, struct genl_info
*info
)
1099 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1100 struct net_device
*dev
= info
->user_ptr
[1];
1101 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1104 /* conflict here while tx/rx calls */
1105 if (netif_running(dev
))
1108 if (wpan_dev
->lowpan_dev
) {
1109 if (netif_running(wpan_dev
->lowpan_dev
))
1113 /* don't change address fields on monitor */
1114 if (wpan_dev
->iftype
== NL802154_IFTYPE_MONITOR
||
1115 !info
->attrs
[NL802154_ATTR_SHORT_ADDR
])
1118 short_addr
= nla_get_le16(info
->attrs
[NL802154_ATTR_SHORT_ADDR
]);
1121 * I am not sure about to check here on broadcast short_addr.
1122 * Broadcast is a valid setting, comment from 802.15.4:
1123 * A value of 0xfffe indicates that the device has
1124 * associated but has not been allocated an address. A
1125 * value of 0xffff indicates that the device does not
1126 * have a short address.
1128 * I think we should allow to set these settings but
1129 * don't allow to allow socket communication with it.
1131 if (short_addr
== cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC
) ||
1132 short_addr
== cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST
))
1135 return rdev_set_short_addr(rdev
, wpan_dev
, short_addr
);
1139 nl802154_set_backoff_exponent(struct sk_buff
*skb
, struct genl_info
*info
)
1141 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1142 struct net_device
*dev
= info
->user_ptr
[1];
1143 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1146 /* should be set on netif open inside phy settings */
1147 if (netif_running(dev
))
1150 if (!info
->attrs
[NL802154_ATTR_MIN_BE
] ||
1151 !info
->attrs
[NL802154_ATTR_MAX_BE
])
1154 min_be
= nla_get_u8(info
->attrs
[NL802154_ATTR_MIN_BE
]);
1155 max_be
= nla_get_u8(info
->attrs
[NL802154_ATTR_MAX_BE
]);
1157 /* check 802.15.4 constraints */
1158 if (min_be
< rdev
->wpan_phy
.supported
.min_minbe
||
1159 min_be
> rdev
->wpan_phy
.supported
.max_minbe
||
1160 max_be
< rdev
->wpan_phy
.supported
.min_maxbe
||
1161 max_be
> rdev
->wpan_phy
.supported
.max_maxbe
||
1165 return rdev_set_backoff_exponent(rdev
, wpan_dev
, min_be
, max_be
);
1169 nl802154_set_max_csma_backoffs(struct sk_buff
*skb
, struct genl_info
*info
)
1171 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1172 struct net_device
*dev
= info
->user_ptr
[1];
1173 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1174 u8 max_csma_backoffs
;
1176 /* conflict here while other running iface settings */
1177 if (netif_running(dev
))
1180 if (!info
->attrs
[NL802154_ATTR_MAX_CSMA_BACKOFFS
])
1183 max_csma_backoffs
= nla_get_u8(
1184 info
->attrs
[NL802154_ATTR_MAX_CSMA_BACKOFFS
]);
1186 /* check 802.15.4 constraints */
1187 if (max_csma_backoffs
< rdev
->wpan_phy
.supported
.min_csma_backoffs
||
1188 max_csma_backoffs
> rdev
->wpan_phy
.supported
.max_csma_backoffs
)
1191 return rdev_set_max_csma_backoffs(rdev
, wpan_dev
, max_csma_backoffs
);
1195 nl802154_set_max_frame_retries(struct sk_buff
*skb
, struct genl_info
*info
)
1197 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1198 struct net_device
*dev
= info
->user_ptr
[1];
1199 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1200 s8 max_frame_retries
;
1202 if (netif_running(dev
))
1205 if (!info
->attrs
[NL802154_ATTR_MAX_FRAME_RETRIES
])
1208 max_frame_retries
= nla_get_s8(
1209 info
->attrs
[NL802154_ATTR_MAX_FRAME_RETRIES
]);
1211 /* check 802.15.4 constraints */
1212 if (max_frame_retries
< rdev
->wpan_phy
.supported
.min_frame_retries
||
1213 max_frame_retries
> rdev
->wpan_phy
.supported
.max_frame_retries
)
1216 return rdev_set_max_frame_retries(rdev
, wpan_dev
, max_frame_retries
);
1219 static int nl802154_set_lbt_mode(struct sk_buff
*skb
, struct genl_info
*info
)
1221 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1222 struct net_device
*dev
= info
->user_ptr
[1];
1223 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1226 if (netif_running(dev
))
1229 if (!info
->attrs
[NL802154_ATTR_LBT_MODE
])
1232 mode
= nla_get_u8(info
->attrs
[NL802154_ATTR_LBT_MODE
]);
1234 if (mode
!= 0 && mode
!= 1)
1237 if (!wpan_phy_supported_bool(mode
, rdev
->wpan_phy
.supported
.lbt
))
1240 return rdev_set_lbt_mode(rdev
, wpan_dev
, mode
);
1244 nl802154_set_ackreq_default(struct sk_buff
*skb
, struct genl_info
*info
)
1246 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1247 struct net_device
*dev
= info
->user_ptr
[1];
1248 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1251 if (netif_running(dev
))
1254 if (!info
->attrs
[NL802154_ATTR_ACKREQ_DEFAULT
])
1257 ackreq
= nla_get_u8(info
->attrs
[NL802154_ATTR_ACKREQ_DEFAULT
]);
1259 if (ackreq
!= 0 && ackreq
!= 1)
1262 return rdev_set_ackreq_default(rdev
, wpan_dev
, ackreq
);
1265 static int nl802154_wpan_phy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
1267 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1271 if (info
->attrs
[NL802154_ATTR_PID
]) {
1272 u32 pid
= nla_get_u32(info
->attrs
[NL802154_ATTR_PID
]);
1274 net
= get_net_ns_by_pid(pid
);
1275 } else if (info
->attrs
[NL802154_ATTR_NETNS_FD
]) {
1276 u32 fd
= nla_get_u32(info
->attrs
[NL802154_ATTR_NETNS_FD
]);
1278 net
= get_net_ns_by_fd(fd
);
1284 return PTR_ERR(net
);
1288 /* check if anything to do */
1289 if (!net_eq(wpan_phy_net(&rdev
->wpan_phy
), net
))
1290 err
= cfg802154_switch_netns(rdev
, net
);
1296 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
1297 static const struct nla_policy nl802154_dev_addr_policy
[NL802154_DEV_ADDR_ATTR_MAX
+ 1] = {
1298 [NL802154_DEV_ADDR_ATTR_PAN_ID
] = { .type
= NLA_U16
},
1299 [NL802154_DEV_ADDR_ATTR_MODE
] = { .type
= NLA_U32
},
1300 [NL802154_DEV_ADDR_ATTR_SHORT
] = { .type
= NLA_U16
},
1301 [NL802154_DEV_ADDR_ATTR_EXTENDED
] = { .type
= NLA_U64
},
1305 ieee802154_llsec_parse_dev_addr(struct nlattr
*nla
,
1306 struct ieee802154_addr
*addr
)
1308 struct nlattr
*attrs
[NL802154_DEV_ADDR_ATTR_MAX
+ 1];
1310 if (!nla
|| nla_parse_nested(attrs
, NL802154_DEV_ADDR_ATTR_MAX
, nla
,
1311 nl802154_dev_addr_policy
))
1314 if (!attrs
[NL802154_DEV_ADDR_ATTR_PAN_ID
] ||
1315 !attrs
[NL802154_DEV_ADDR_ATTR_MODE
] ||
1316 !(attrs
[NL802154_DEV_ADDR_ATTR_SHORT
] ||
1317 attrs
[NL802154_DEV_ADDR_ATTR_EXTENDED
]))
1320 addr
->pan_id
= nla_get_le16(attrs
[NL802154_DEV_ADDR_ATTR_PAN_ID
]);
1321 addr
->mode
= nla_get_u32(attrs
[NL802154_DEV_ADDR_ATTR_MODE
]);
1322 switch (addr
->mode
) {
1323 case NL802154_DEV_ADDR_SHORT
:
1324 addr
->short_addr
= nla_get_le16(attrs
[NL802154_DEV_ADDR_ATTR_SHORT
]);
1326 case NL802154_DEV_ADDR_EXTENDED
:
1327 addr
->extended_addr
= nla_get_le64(attrs
[NL802154_DEV_ADDR_ATTR_EXTENDED
]);
1336 static const struct nla_policy nl802154_key_id_policy
[NL802154_KEY_ID_ATTR_MAX
+ 1] = {
1337 [NL802154_KEY_ID_ATTR_MODE
] = { .type
= NLA_U32
},
1338 [NL802154_KEY_ID_ATTR_INDEX
] = { .type
= NLA_U8
},
1339 [NL802154_KEY_ID_ATTR_IMPLICIT
] = { .type
= NLA_NESTED
},
1340 [NL802154_KEY_ID_ATTR_SOURCE_SHORT
] = { .type
= NLA_U32
},
1341 [NL802154_KEY_ID_ATTR_SOURCE_EXTENDED
] = { .type
= NLA_U64
},
1345 ieee802154_llsec_parse_key_id(struct nlattr
*nla
,
1346 struct ieee802154_llsec_key_id
*desc
)
1348 struct nlattr
*attrs
[NL802154_KEY_ID_ATTR_MAX
+ 1];
1350 if (!nla
|| nla_parse_nested(attrs
, NL802154_KEY_ID_ATTR_MAX
, nla
,
1351 nl802154_key_id_policy
))
1354 if (!attrs
[NL802154_KEY_ID_ATTR_MODE
])
1357 desc
->mode
= nla_get_u32(attrs
[NL802154_KEY_ID_ATTR_MODE
]);
1358 switch (desc
->mode
) {
1359 case NL802154_KEY_ID_MODE_IMPLICIT
:
1360 if (!attrs
[NL802154_KEY_ID_ATTR_IMPLICIT
])
1363 if (ieee802154_llsec_parse_dev_addr(attrs
[NL802154_KEY_ID_ATTR_IMPLICIT
],
1364 &desc
->device_addr
) < 0)
1367 case NL802154_KEY_ID_MODE_INDEX
:
1369 case NL802154_KEY_ID_MODE_INDEX_SHORT
:
1370 if (!attrs
[NL802154_KEY_ID_ATTR_SOURCE_SHORT
])
1373 desc
->short_source
= nla_get_le32(attrs
[NL802154_KEY_ID_ATTR_SOURCE_SHORT
]);
1375 case NL802154_KEY_ID_MODE_INDEX_EXTENDED
:
1376 if (!attrs
[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED
])
1379 desc
->extended_source
= nla_get_le64(attrs
[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED
]);
1385 if (desc
->mode
!= NL802154_KEY_ID_MODE_IMPLICIT
) {
1386 if (!attrs
[NL802154_KEY_ID_ATTR_INDEX
])
1389 /* TODO change id to idx */
1390 desc
->id
= nla_get_u8(attrs
[NL802154_KEY_ID_ATTR_INDEX
]);
1396 static int nl802154_set_llsec_params(struct sk_buff
*skb
,
1397 struct genl_info
*info
)
1399 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1400 struct net_device
*dev
= info
->user_ptr
[1];
1401 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1402 struct ieee802154_llsec_params params
;
1406 if (info
->attrs
[NL802154_ATTR_SEC_ENABLED
]) {
1409 enabled
= nla_get_u8(info
->attrs
[NL802154_ATTR_SEC_ENABLED
]);
1410 if (enabled
!= 0 && enabled
!= 1)
1413 params
.enabled
= nla_get_u8(info
->attrs
[NL802154_ATTR_SEC_ENABLED
]);
1414 changed
|= IEEE802154_LLSEC_PARAM_ENABLED
;
1417 if (info
->attrs
[NL802154_ATTR_SEC_OUT_KEY_ID
]) {
1418 ret
= ieee802154_llsec_parse_key_id(info
->attrs
[NL802154_ATTR_SEC_OUT_KEY_ID
],
1423 changed
|= IEEE802154_LLSEC_PARAM_OUT_KEY
;
1426 if (info
->attrs
[NL802154_ATTR_SEC_OUT_LEVEL
]) {
1427 params
.out_level
= nla_get_u32(info
->attrs
[NL802154_ATTR_SEC_OUT_LEVEL
]);
1428 if (params
.out_level
> NL802154_SECLEVEL_MAX
)
1431 changed
|= IEEE802154_LLSEC_PARAM_OUT_LEVEL
;
1434 if (info
->attrs
[NL802154_ATTR_SEC_FRAME_COUNTER
]) {
1435 params
.frame_counter
= nla_get_be32(info
->attrs
[NL802154_ATTR_SEC_FRAME_COUNTER
]);
1436 changed
|= IEEE802154_LLSEC_PARAM_FRAME_COUNTER
;
1439 return rdev_set_llsec_params(rdev
, wpan_dev
, ¶ms
, changed
);
1442 static int nl802154_send_key(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
1444 struct cfg802154_registered_device
*rdev
,
1445 struct net_device
*dev
,
1446 const struct ieee802154_llsec_key_entry
*key
)
1449 u32 commands
[NL802154_CMD_FRAME_NR_IDS
/ 32];
1450 struct nlattr
*nl_key
, *nl_key_id
;
1452 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
1456 if (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
))
1457 goto nla_put_failure
;
1459 nl_key
= nla_nest_start(msg
, NL802154_ATTR_SEC_KEY
);
1461 goto nla_put_failure
;
1463 nl_key_id
= nla_nest_start(msg
, NL802154_KEY_ATTR_ID
);
1465 goto nla_put_failure
;
1467 if (ieee802154_llsec_send_key_id(msg
, &key
->id
) < 0)
1468 goto nla_put_failure
;
1470 nla_nest_end(msg
, nl_key_id
);
1472 if (nla_put_u8(msg
, NL802154_KEY_ATTR_USAGE_FRAMES
,
1473 key
->key
->frame_types
))
1474 goto nla_put_failure
;
1476 if (key
->key
->frame_types
& BIT(NL802154_FRAME_CMD
)) {
1477 /* TODO for each nested */
1478 memset(commands
, 0, sizeof(commands
));
1479 commands
[7] = key
->key
->cmd_frame_ids
;
1480 if (nla_put(msg
, NL802154_KEY_ATTR_USAGE_CMDS
,
1481 sizeof(commands
), commands
))
1482 goto nla_put_failure
;
1485 if (nla_put(msg
, NL802154_KEY_ATTR_BYTES
, NL802154_KEY_SIZE
,
1487 goto nla_put_failure
;
1489 nla_nest_end(msg
, nl_key
);
1490 genlmsg_end(msg
, hdr
);
1495 genlmsg_cancel(msg
, hdr
);
1500 nl802154_dump_llsec_key(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1502 struct cfg802154_registered_device
*rdev
= NULL
;
1503 struct ieee802154_llsec_key_entry
*key
;
1504 struct ieee802154_llsec_table
*table
;
1505 struct wpan_dev
*wpan_dev
;
1508 err
= nl802154_prepare_wpan_dev_dump(skb
, cb
, &rdev
, &wpan_dev
);
1512 if (!wpan_dev
->netdev
) {
1517 rdev_lock_llsec_table(rdev
, wpan_dev
);
1518 rdev_get_llsec_table(rdev
, wpan_dev
, &table
);
1520 /* TODO make it like station dump */
1524 list_for_each_entry(key
, &table
->keys
, list
) {
1525 if (nl802154_send_key(skb
, NL802154_CMD_NEW_SEC_KEY
,
1526 NETLINK_CB(cb
->skb
).portid
,
1527 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1528 rdev
, wpan_dev
->netdev
, key
) < 0) {
1531 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1539 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1542 nl802154_finish_wpan_dev_dump(rdev
);
1547 static const struct nla_policy nl802154_key_policy
[NL802154_KEY_ATTR_MAX
+ 1] = {
1548 [NL802154_KEY_ATTR_ID
] = { NLA_NESTED
},
1549 /* TODO handle it as for_each_nested and NLA_FLAG? */
1550 [NL802154_KEY_ATTR_USAGE_FRAMES
] = { NLA_U8
},
1551 /* TODO handle it as for_each_nested, not static array? */
1552 [NL802154_KEY_ATTR_USAGE_CMDS
] = { .len
= NL802154_CMD_FRAME_NR_IDS
/ 8 },
1553 [NL802154_KEY_ATTR_BYTES
] = { .len
= NL802154_KEY_SIZE
},
1556 static int nl802154_add_llsec_key(struct sk_buff
*skb
, struct genl_info
*info
)
1558 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1559 struct net_device
*dev
= info
->user_ptr
[1];
1560 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1561 struct nlattr
*attrs
[NL802154_KEY_ATTR_MAX
+ 1];
1562 struct ieee802154_llsec_key key
= { };
1563 struct ieee802154_llsec_key_id id
= { };
1564 u32 commands
[NL802154_CMD_FRAME_NR_IDS
/ 32] = { };
1566 if (nla_parse_nested(attrs
, NL802154_KEY_ATTR_MAX
,
1567 info
->attrs
[NL802154_ATTR_SEC_KEY
],
1568 nl802154_key_policy
))
1571 if (!attrs
[NL802154_KEY_ATTR_USAGE_FRAMES
] ||
1572 !attrs
[NL802154_KEY_ATTR_BYTES
])
1575 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_KEY_ATTR_ID
], &id
) < 0)
1578 key
.frame_types
= nla_get_u8(attrs
[NL802154_KEY_ATTR_USAGE_FRAMES
]);
1579 if (key
.frame_types
> BIT(NL802154_FRAME_MAX
) ||
1580 ((key
.frame_types
& BIT(NL802154_FRAME_CMD
)) &&
1581 !attrs
[NL802154_KEY_ATTR_USAGE_CMDS
]))
1584 if (attrs
[NL802154_KEY_ATTR_USAGE_CMDS
]) {
1585 /* TODO for each nested */
1586 nla_memcpy(commands
, attrs
[NL802154_KEY_ATTR_USAGE_CMDS
],
1587 NL802154_CMD_FRAME_NR_IDS
/ 8);
1589 /* TODO understand the -EINVAL logic here? last condition */
1590 if (commands
[0] || commands
[1] || commands
[2] || commands
[3] ||
1591 commands
[4] || commands
[5] || commands
[6] ||
1592 commands
[7] > BIT(NL802154_CMD_FRAME_MAX
))
1595 key
.cmd_frame_ids
= commands
[7];
1597 key
.cmd_frame_ids
= 0;
1600 nla_memcpy(key
.key
, attrs
[NL802154_KEY_ATTR_BYTES
], NL802154_KEY_SIZE
);
1602 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_KEY_ATTR_ID
], &id
) < 0)
1605 return rdev_add_llsec_key(rdev
, wpan_dev
, &id
, &key
);
1608 static int nl802154_del_llsec_key(struct sk_buff
*skb
, struct genl_info
*info
)
1610 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1611 struct net_device
*dev
= info
->user_ptr
[1];
1612 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1613 struct nlattr
*attrs
[NL802154_KEY_ATTR_MAX
+ 1];
1614 struct ieee802154_llsec_key_id id
;
1616 if (nla_parse_nested(attrs
, NL802154_KEY_ATTR_MAX
,
1617 info
->attrs
[NL802154_ATTR_SEC_KEY
],
1618 nl802154_key_policy
))
1621 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_KEY_ATTR_ID
], &id
) < 0)
1624 return rdev_del_llsec_key(rdev
, wpan_dev
, &id
);
1627 static int nl802154_send_device(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
1629 struct cfg802154_registered_device
*rdev
,
1630 struct net_device
*dev
,
1631 const struct ieee802154_llsec_device
*dev_desc
)
1634 struct nlattr
*nl_device
;
1636 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
1640 if (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
))
1641 goto nla_put_failure
;
1643 nl_device
= nla_nest_start(msg
, NL802154_ATTR_SEC_DEVICE
);
1645 goto nla_put_failure
;
1647 if (nla_put_u32(msg
, NL802154_DEV_ATTR_FRAME_COUNTER
,
1648 dev_desc
->frame_counter
) ||
1649 nla_put_le16(msg
, NL802154_DEV_ATTR_PAN_ID
, dev_desc
->pan_id
) ||
1650 nla_put_le16(msg
, NL802154_DEV_ATTR_SHORT_ADDR
,
1651 dev_desc
->short_addr
) ||
1652 nla_put_le64(msg
, NL802154_DEV_ATTR_EXTENDED_ADDR
,
1653 dev_desc
->hwaddr
, NL802154_DEV_ATTR_PAD
) ||
1654 nla_put_u8(msg
, NL802154_DEV_ATTR_SECLEVEL_EXEMPT
,
1655 dev_desc
->seclevel_exempt
) ||
1656 nla_put_u32(msg
, NL802154_DEV_ATTR_KEY_MODE
, dev_desc
->key_mode
))
1657 goto nla_put_failure
;
1659 nla_nest_end(msg
, nl_device
);
1660 genlmsg_end(msg
, hdr
);
1665 genlmsg_cancel(msg
, hdr
);
1670 nl802154_dump_llsec_dev(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1672 struct cfg802154_registered_device
*rdev
= NULL
;
1673 struct ieee802154_llsec_device
*dev
;
1674 struct ieee802154_llsec_table
*table
;
1675 struct wpan_dev
*wpan_dev
;
1678 err
= nl802154_prepare_wpan_dev_dump(skb
, cb
, &rdev
, &wpan_dev
);
1682 if (!wpan_dev
->netdev
) {
1687 rdev_lock_llsec_table(rdev
, wpan_dev
);
1688 rdev_get_llsec_table(rdev
, wpan_dev
, &table
);
1690 /* TODO make it like station dump */
1694 list_for_each_entry(dev
, &table
->devices
, list
) {
1695 if (nl802154_send_device(skb
, NL802154_CMD_NEW_SEC_LEVEL
,
1696 NETLINK_CB(cb
->skb
).portid
,
1697 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1698 rdev
, wpan_dev
->netdev
, dev
) < 0) {
1701 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1709 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1712 nl802154_finish_wpan_dev_dump(rdev
);
1717 static const struct nla_policy nl802154_dev_policy
[NL802154_DEV_ATTR_MAX
+ 1] = {
1718 [NL802154_DEV_ATTR_FRAME_COUNTER
] = { NLA_U32
},
1719 [NL802154_DEV_ATTR_PAN_ID
] = { .type
= NLA_U16
},
1720 [NL802154_DEV_ATTR_SHORT_ADDR
] = { .type
= NLA_U16
},
1721 [NL802154_DEV_ATTR_EXTENDED_ADDR
] = { .type
= NLA_U64
},
1722 [NL802154_DEV_ATTR_SECLEVEL_EXEMPT
] = { NLA_U8
},
1723 [NL802154_DEV_ATTR_KEY_MODE
] = { NLA_U32
},
1727 ieee802154_llsec_parse_device(struct nlattr
*nla
,
1728 struct ieee802154_llsec_device
*dev
)
1730 struct nlattr
*attrs
[NL802154_DEV_ATTR_MAX
+ 1];
1732 if (!nla
|| nla_parse_nested(attrs
, NL802154_DEV_ATTR_MAX
, nla
,
1733 nl802154_dev_policy
))
1736 memset(dev
, 0, sizeof(*dev
));
1738 if (!attrs
[NL802154_DEV_ATTR_FRAME_COUNTER
] ||
1739 !attrs
[NL802154_DEV_ATTR_PAN_ID
] ||
1740 !attrs
[NL802154_DEV_ATTR_SHORT_ADDR
] ||
1741 !attrs
[NL802154_DEV_ATTR_EXTENDED_ADDR
] ||
1742 !attrs
[NL802154_DEV_ATTR_SECLEVEL_EXEMPT
] ||
1743 !attrs
[NL802154_DEV_ATTR_KEY_MODE
])
1747 dev
->frame_counter
= nla_get_u32(attrs
[NL802154_DEV_ATTR_FRAME_COUNTER
]);
1748 dev
->pan_id
= nla_get_le16(attrs
[NL802154_DEV_ATTR_PAN_ID
]);
1749 dev
->short_addr
= nla_get_le16(attrs
[NL802154_DEV_ATTR_SHORT_ADDR
]);
1750 /* TODO rename hwaddr to extended_addr */
1751 dev
->hwaddr
= nla_get_le64(attrs
[NL802154_DEV_ATTR_EXTENDED_ADDR
]);
1752 dev
->seclevel_exempt
= nla_get_u8(attrs
[NL802154_DEV_ATTR_SECLEVEL_EXEMPT
]);
1753 dev
->key_mode
= nla_get_u32(attrs
[NL802154_DEV_ATTR_KEY_MODE
]);
1755 if (dev
->key_mode
> NL802154_DEVKEY_MAX
||
1756 (dev
->seclevel_exempt
!= 0 && dev
->seclevel_exempt
!= 1))
1762 static int nl802154_add_llsec_dev(struct sk_buff
*skb
, struct genl_info
*info
)
1764 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1765 struct net_device
*dev
= info
->user_ptr
[1];
1766 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1767 struct ieee802154_llsec_device dev_desc
;
1769 if (ieee802154_llsec_parse_device(info
->attrs
[NL802154_ATTR_SEC_DEVICE
],
1773 return rdev_add_device(rdev
, wpan_dev
, &dev_desc
);
1776 static int nl802154_del_llsec_dev(struct sk_buff
*skb
, struct genl_info
*info
)
1778 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1779 struct net_device
*dev
= info
->user_ptr
[1];
1780 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1781 struct nlattr
*attrs
[NL802154_DEV_ATTR_MAX
+ 1];
1782 __le64 extended_addr
;
1784 if (nla_parse_nested(attrs
, NL802154_DEV_ATTR_MAX
,
1785 info
->attrs
[NL802154_ATTR_SEC_DEVICE
],
1786 nl802154_dev_policy
))
1789 if (!attrs
[NL802154_DEV_ATTR_EXTENDED_ADDR
])
1792 extended_addr
= nla_get_le64(attrs
[NL802154_DEV_ATTR_EXTENDED_ADDR
]);
1793 return rdev_del_device(rdev
, wpan_dev
, extended_addr
);
1796 static int nl802154_send_devkey(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
1798 struct cfg802154_registered_device
*rdev
,
1799 struct net_device
*dev
, __le64 extended_addr
,
1800 const struct ieee802154_llsec_device_key
*devkey
)
1803 struct nlattr
*nl_devkey
, *nl_key_id
;
1805 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
1809 if (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
))
1810 goto nla_put_failure
;
1812 nl_devkey
= nla_nest_start(msg
, NL802154_ATTR_SEC_DEVKEY
);
1814 goto nla_put_failure
;
1816 if (nla_put_le64(msg
, NL802154_DEVKEY_ATTR_EXTENDED_ADDR
,
1817 extended_addr
, NL802154_DEVKEY_ATTR_PAD
) ||
1818 nla_put_u32(msg
, NL802154_DEVKEY_ATTR_FRAME_COUNTER
,
1819 devkey
->frame_counter
))
1820 goto nla_put_failure
;
1822 nl_key_id
= nla_nest_start(msg
, NL802154_DEVKEY_ATTR_ID
);
1824 goto nla_put_failure
;
1826 if (ieee802154_llsec_send_key_id(msg
, &devkey
->key_id
) < 0)
1827 goto nla_put_failure
;
1829 nla_nest_end(msg
, nl_key_id
);
1830 nla_nest_end(msg
, nl_devkey
);
1831 genlmsg_end(msg
, hdr
);
1836 genlmsg_cancel(msg
, hdr
);
1841 nl802154_dump_llsec_devkey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1843 struct cfg802154_registered_device
*rdev
= NULL
;
1844 struct ieee802154_llsec_device_key
*kpos
;
1845 struct ieee802154_llsec_device
*dpos
;
1846 struct ieee802154_llsec_table
*table
;
1847 struct wpan_dev
*wpan_dev
;
1850 err
= nl802154_prepare_wpan_dev_dump(skb
, cb
, &rdev
, &wpan_dev
);
1854 if (!wpan_dev
->netdev
) {
1859 rdev_lock_llsec_table(rdev
, wpan_dev
);
1860 rdev_get_llsec_table(rdev
, wpan_dev
, &table
);
1862 /* TODO make it like station dump */
1866 /* TODO look if remove devkey and do some nested attribute */
1867 list_for_each_entry(dpos
, &table
->devices
, list
) {
1868 list_for_each_entry(kpos
, &dpos
->keys
, list
) {
1869 if (nl802154_send_devkey(skb
,
1870 NL802154_CMD_NEW_SEC_LEVEL
,
1871 NETLINK_CB(cb
->skb
).portid
,
1879 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1888 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1891 nl802154_finish_wpan_dev_dump(rdev
);
1896 static const struct nla_policy nl802154_devkey_policy
[NL802154_DEVKEY_ATTR_MAX
+ 1] = {
1897 [NL802154_DEVKEY_ATTR_FRAME_COUNTER
] = { NLA_U32
},
1898 [NL802154_DEVKEY_ATTR_EXTENDED_ADDR
] = { NLA_U64
},
1899 [NL802154_DEVKEY_ATTR_ID
] = { NLA_NESTED
},
1902 static int nl802154_add_llsec_devkey(struct sk_buff
*skb
, struct genl_info
*info
)
1904 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1905 struct net_device
*dev
= info
->user_ptr
[1];
1906 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1907 struct nlattr
*attrs
[NL802154_DEVKEY_ATTR_MAX
+ 1];
1908 struct ieee802154_llsec_device_key key
;
1909 __le64 extended_addr
;
1911 if (!info
->attrs
[NL802154_ATTR_SEC_DEVKEY
] ||
1912 nla_parse_nested(attrs
, NL802154_DEVKEY_ATTR_MAX
,
1913 info
->attrs
[NL802154_ATTR_SEC_DEVKEY
],
1914 nl802154_devkey_policy
) < 0)
1917 if (!attrs
[NL802154_DEVKEY_ATTR_FRAME_COUNTER
] ||
1918 !attrs
[NL802154_DEVKEY_ATTR_EXTENDED_ADDR
])
1921 /* TODO change key.id ? */
1922 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_DEVKEY_ATTR_ID
],
1927 key
.frame_counter
= nla_get_u32(attrs
[NL802154_DEVKEY_ATTR_FRAME_COUNTER
]);
1928 /* TODO change naming hwaddr -> extended_addr
1929 * check unique identifier short+pan OR extended_addr
1931 extended_addr
= nla_get_le64(attrs
[NL802154_DEVKEY_ATTR_EXTENDED_ADDR
]);
1932 return rdev_add_devkey(rdev
, wpan_dev
, extended_addr
, &key
);
1935 static int nl802154_del_llsec_devkey(struct sk_buff
*skb
, struct genl_info
*info
)
1937 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1938 struct net_device
*dev
= info
->user_ptr
[1];
1939 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1940 struct nlattr
*attrs
[NL802154_DEVKEY_ATTR_MAX
+ 1];
1941 struct ieee802154_llsec_device_key key
;
1942 __le64 extended_addr
;
1944 if (nla_parse_nested(attrs
, NL802154_DEVKEY_ATTR_MAX
,
1945 info
->attrs
[NL802154_ATTR_SEC_DEVKEY
],
1946 nl802154_devkey_policy
))
1949 if (!attrs
[NL802154_DEVKEY_ATTR_EXTENDED_ADDR
])
1952 /* TODO change key.id ? */
1953 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_DEVKEY_ATTR_ID
],
1957 /* TODO change naming hwaddr -> extended_addr
1958 * check unique identifier short+pan OR extended_addr
1960 extended_addr
= nla_get_le64(attrs
[NL802154_DEVKEY_ATTR_EXTENDED_ADDR
]);
1961 return rdev_del_devkey(rdev
, wpan_dev
, extended_addr
, &key
);
1964 static int nl802154_send_seclevel(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
1966 struct cfg802154_registered_device
*rdev
,
1967 struct net_device
*dev
,
1968 const struct ieee802154_llsec_seclevel
*sl
)
1971 struct nlattr
*nl_seclevel
;
1973 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
1977 if (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
))
1978 goto nla_put_failure
;
1980 nl_seclevel
= nla_nest_start(msg
, NL802154_ATTR_SEC_LEVEL
);
1982 goto nla_put_failure
;
1984 if (nla_put_u32(msg
, NL802154_SECLEVEL_ATTR_FRAME
, sl
->frame_type
) ||
1985 nla_put_u32(msg
, NL802154_SECLEVEL_ATTR_LEVELS
, sl
->sec_levels
) ||
1986 nla_put_u8(msg
, NL802154_SECLEVEL_ATTR_DEV_OVERRIDE
,
1987 sl
->device_override
))
1988 goto nla_put_failure
;
1990 if (sl
->frame_type
== NL802154_FRAME_CMD
) {
1991 if (nla_put_u32(msg
, NL802154_SECLEVEL_ATTR_CMD_FRAME
,
1993 goto nla_put_failure
;
1996 nla_nest_end(msg
, nl_seclevel
);
1997 genlmsg_end(msg
, hdr
);
2002 genlmsg_cancel(msg
, hdr
);
2007 nl802154_dump_llsec_seclevel(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2009 struct cfg802154_registered_device
*rdev
= NULL
;
2010 struct ieee802154_llsec_seclevel
*sl
;
2011 struct ieee802154_llsec_table
*table
;
2012 struct wpan_dev
*wpan_dev
;
2015 err
= nl802154_prepare_wpan_dev_dump(skb
, cb
, &rdev
, &wpan_dev
);
2019 if (!wpan_dev
->netdev
) {
2024 rdev_lock_llsec_table(rdev
, wpan_dev
);
2025 rdev_get_llsec_table(rdev
, wpan_dev
, &table
);
2027 /* TODO make it like station dump */
2031 list_for_each_entry(sl
, &table
->security_levels
, list
) {
2032 if (nl802154_send_seclevel(skb
, NL802154_CMD_NEW_SEC_LEVEL
,
2033 NETLINK_CB(cb
->skb
).portid
,
2034 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2035 rdev
, wpan_dev
->netdev
, sl
) < 0) {
2038 rdev_unlock_llsec_table(rdev
, wpan_dev
);
2046 rdev_unlock_llsec_table(rdev
, wpan_dev
);
2049 nl802154_finish_wpan_dev_dump(rdev
);
2054 static const struct nla_policy nl802154_seclevel_policy
[NL802154_SECLEVEL_ATTR_MAX
+ 1] = {
2055 [NL802154_SECLEVEL_ATTR_LEVELS
] = { .type
= NLA_U8
},
2056 [NL802154_SECLEVEL_ATTR_FRAME
] = { .type
= NLA_U32
},
2057 [NL802154_SECLEVEL_ATTR_CMD_FRAME
] = { .type
= NLA_U32
},
2058 [NL802154_SECLEVEL_ATTR_DEV_OVERRIDE
] = { .type
= NLA_U8
},
2062 llsec_parse_seclevel(struct nlattr
*nla
, struct ieee802154_llsec_seclevel
*sl
)
2064 struct nlattr
*attrs
[NL802154_SECLEVEL_ATTR_MAX
+ 1];
2066 if (!nla
|| nla_parse_nested(attrs
, NL802154_SECLEVEL_ATTR_MAX
, nla
,
2067 nl802154_seclevel_policy
))
2070 memset(sl
, 0, sizeof(*sl
));
2072 if (!attrs
[NL802154_SECLEVEL_ATTR_LEVELS
] ||
2073 !attrs
[NL802154_SECLEVEL_ATTR_FRAME
] ||
2074 !attrs
[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE
])
2077 sl
->sec_levels
= nla_get_u8(attrs
[NL802154_SECLEVEL_ATTR_LEVELS
]);
2078 sl
->frame_type
= nla_get_u32(attrs
[NL802154_SECLEVEL_ATTR_FRAME
]);
2079 sl
->device_override
= nla_get_u8(attrs
[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE
]);
2080 if (sl
->frame_type
> NL802154_FRAME_MAX
||
2081 (sl
->device_override
!= 0 && sl
->device_override
!= 1))
2084 if (sl
->frame_type
== NL802154_FRAME_CMD
) {
2085 if (!attrs
[NL802154_SECLEVEL_ATTR_CMD_FRAME
])
2088 sl
->cmd_frame_id
= nla_get_u32(attrs
[NL802154_SECLEVEL_ATTR_CMD_FRAME
]);
2089 if (sl
->cmd_frame_id
> NL802154_CMD_FRAME_MAX
)
2096 static int nl802154_add_llsec_seclevel(struct sk_buff
*skb
,
2097 struct genl_info
*info
)
2099 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
2100 struct net_device
*dev
= info
->user_ptr
[1];
2101 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
2102 struct ieee802154_llsec_seclevel sl
;
2104 if (llsec_parse_seclevel(info
->attrs
[NL802154_ATTR_SEC_LEVEL
],
2108 return rdev_add_seclevel(rdev
, wpan_dev
, &sl
);
2111 static int nl802154_del_llsec_seclevel(struct sk_buff
*skb
,
2112 struct genl_info
*info
)
2114 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
2115 struct net_device
*dev
= info
->user_ptr
[1];
2116 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
2117 struct ieee802154_llsec_seclevel sl
;
2119 if (!info
->attrs
[NL802154_ATTR_SEC_LEVEL
] ||
2120 llsec_parse_seclevel(info
->attrs
[NL802154_ATTR_SEC_LEVEL
],
2124 return rdev_del_seclevel(rdev
, wpan_dev
, &sl
);
2126 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
2128 #define NL802154_FLAG_NEED_WPAN_PHY 0x01
2129 #define NL802154_FLAG_NEED_NETDEV 0x02
2130 #define NL802154_FLAG_NEED_RTNL 0x04
2131 #define NL802154_FLAG_CHECK_NETDEV_UP 0x08
2132 #define NL802154_FLAG_NEED_NETDEV_UP (NL802154_FLAG_NEED_NETDEV |\
2133 NL802154_FLAG_CHECK_NETDEV_UP)
2134 #define NL802154_FLAG_NEED_WPAN_DEV 0x10
2135 #define NL802154_FLAG_NEED_WPAN_DEV_UP (NL802154_FLAG_NEED_WPAN_DEV |\
2136 NL802154_FLAG_CHECK_NETDEV_UP)
2138 static int nl802154_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
2139 struct genl_info
*info
)
2141 struct cfg802154_registered_device
*rdev
;
2142 struct wpan_dev
*wpan_dev
;
2143 struct net_device
*dev
;
2144 bool rtnl
= ops
->internal_flags
& NL802154_FLAG_NEED_RTNL
;
2149 if (ops
->internal_flags
& NL802154_FLAG_NEED_WPAN_PHY
) {
2150 rdev
= cfg802154_get_dev_from_info(genl_info_net(info
), info
);
2154 return PTR_ERR(rdev
);
2156 info
->user_ptr
[0] = rdev
;
2157 } else if (ops
->internal_flags
& NL802154_FLAG_NEED_NETDEV
||
2158 ops
->internal_flags
& NL802154_FLAG_NEED_WPAN_DEV
) {
2160 wpan_dev
= __cfg802154_wpan_dev_from_attrs(genl_info_net(info
),
2162 if (IS_ERR(wpan_dev
)) {
2165 return PTR_ERR(wpan_dev
);
2168 dev
= wpan_dev
->netdev
;
2169 rdev
= wpan_phy_to_rdev(wpan_dev
->wpan_phy
);
2171 if (ops
->internal_flags
& NL802154_FLAG_NEED_NETDEV
) {
2178 info
->user_ptr
[1] = dev
;
2180 info
->user_ptr
[1] = wpan_dev
;
2184 if (ops
->internal_flags
& NL802154_FLAG_CHECK_NETDEV_UP
&&
2185 !netif_running(dev
)) {
2194 info
->user_ptr
[0] = rdev
;
2200 static void nl802154_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
2201 struct genl_info
*info
)
2203 if (info
->user_ptr
[1]) {
2204 if (ops
->internal_flags
& NL802154_FLAG_NEED_WPAN_DEV
) {
2205 struct wpan_dev
*wpan_dev
= info
->user_ptr
[1];
2207 if (wpan_dev
->netdev
)
2208 dev_put(wpan_dev
->netdev
);
2210 dev_put(info
->user_ptr
[1]);
2214 if (ops
->internal_flags
& NL802154_FLAG_NEED_RTNL
)
2218 static const struct genl_ops nl802154_ops
[] = {
2220 .cmd
= NL802154_CMD_GET_WPAN_PHY
,
2221 .doit
= nl802154_get_wpan_phy
,
2222 .dumpit
= nl802154_dump_wpan_phy
,
2223 .done
= nl802154_dump_wpan_phy_done
,
2224 .policy
= nl802154_policy
,
2225 /* can be retrieved by unprivileged users */
2226 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2227 NL802154_FLAG_NEED_RTNL
,
2230 .cmd
= NL802154_CMD_GET_INTERFACE
,
2231 .doit
= nl802154_get_interface
,
2232 .dumpit
= nl802154_dump_interface
,
2233 .policy
= nl802154_policy
,
2234 /* can be retrieved by unprivileged users */
2235 .internal_flags
= NL802154_FLAG_NEED_WPAN_DEV
|
2236 NL802154_FLAG_NEED_RTNL
,
2239 .cmd
= NL802154_CMD_NEW_INTERFACE
,
2240 .doit
= nl802154_new_interface
,
2241 .policy
= nl802154_policy
,
2242 .flags
= GENL_ADMIN_PERM
,
2243 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2244 NL802154_FLAG_NEED_RTNL
,
2247 .cmd
= NL802154_CMD_DEL_INTERFACE
,
2248 .doit
= nl802154_del_interface
,
2249 .policy
= nl802154_policy
,
2250 .flags
= GENL_ADMIN_PERM
,
2251 .internal_flags
= NL802154_FLAG_NEED_WPAN_DEV
|
2252 NL802154_FLAG_NEED_RTNL
,
2255 .cmd
= NL802154_CMD_SET_CHANNEL
,
2256 .doit
= nl802154_set_channel
,
2257 .policy
= nl802154_policy
,
2258 .flags
= GENL_ADMIN_PERM
,
2259 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2260 NL802154_FLAG_NEED_RTNL
,
2263 .cmd
= NL802154_CMD_SET_CCA_MODE
,
2264 .doit
= nl802154_set_cca_mode
,
2265 .policy
= nl802154_policy
,
2266 .flags
= GENL_ADMIN_PERM
,
2267 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2268 NL802154_FLAG_NEED_RTNL
,
2271 .cmd
= NL802154_CMD_SET_CCA_ED_LEVEL
,
2272 .doit
= nl802154_set_cca_ed_level
,
2273 .policy
= nl802154_policy
,
2274 .flags
= GENL_ADMIN_PERM
,
2275 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2276 NL802154_FLAG_NEED_RTNL
,
2279 .cmd
= NL802154_CMD_SET_TX_POWER
,
2280 .doit
= nl802154_set_tx_power
,
2281 .policy
= nl802154_policy
,
2282 .flags
= GENL_ADMIN_PERM
,
2283 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2284 NL802154_FLAG_NEED_RTNL
,
2287 .cmd
= NL802154_CMD_SET_WPAN_PHY_NETNS
,
2288 .doit
= nl802154_wpan_phy_netns
,
2289 .policy
= nl802154_policy
,
2290 .flags
= GENL_ADMIN_PERM
,
2291 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2292 NL802154_FLAG_NEED_RTNL
,
2295 .cmd
= NL802154_CMD_SET_PAN_ID
,
2296 .doit
= nl802154_set_pan_id
,
2297 .policy
= nl802154_policy
,
2298 .flags
= GENL_ADMIN_PERM
,
2299 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2300 NL802154_FLAG_NEED_RTNL
,
2303 .cmd
= NL802154_CMD_SET_SHORT_ADDR
,
2304 .doit
= nl802154_set_short_addr
,
2305 .policy
= nl802154_policy
,
2306 .flags
= GENL_ADMIN_PERM
,
2307 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2308 NL802154_FLAG_NEED_RTNL
,
2311 .cmd
= NL802154_CMD_SET_BACKOFF_EXPONENT
,
2312 .doit
= nl802154_set_backoff_exponent
,
2313 .policy
= nl802154_policy
,
2314 .flags
= GENL_ADMIN_PERM
,
2315 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2316 NL802154_FLAG_NEED_RTNL
,
2319 .cmd
= NL802154_CMD_SET_MAX_CSMA_BACKOFFS
,
2320 .doit
= nl802154_set_max_csma_backoffs
,
2321 .policy
= nl802154_policy
,
2322 .flags
= GENL_ADMIN_PERM
,
2323 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2324 NL802154_FLAG_NEED_RTNL
,
2327 .cmd
= NL802154_CMD_SET_MAX_FRAME_RETRIES
,
2328 .doit
= nl802154_set_max_frame_retries
,
2329 .policy
= nl802154_policy
,
2330 .flags
= GENL_ADMIN_PERM
,
2331 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2332 NL802154_FLAG_NEED_RTNL
,
2335 .cmd
= NL802154_CMD_SET_LBT_MODE
,
2336 .doit
= nl802154_set_lbt_mode
,
2337 .policy
= nl802154_policy
,
2338 .flags
= GENL_ADMIN_PERM
,
2339 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2340 NL802154_FLAG_NEED_RTNL
,
2343 .cmd
= NL802154_CMD_SET_ACKREQ_DEFAULT
,
2344 .doit
= nl802154_set_ackreq_default
,
2345 .policy
= nl802154_policy
,
2346 .flags
= GENL_ADMIN_PERM
,
2347 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2348 NL802154_FLAG_NEED_RTNL
,
2350 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
2352 .cmd
= NL802154_CMD_SET_SEC_PARAMS
,
2353 .doit
= nl802154_set_llsec_params
,
2354 .policy
= nl802154_policy
,
2355 .flags
= GENL_ADMIN_PERM
,
2356 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2357 NL802154_FLAG_NEED_RTNL
,
2360 .cmd
= NL802154_CMD_GET_SEC_KEY
,
2361 /* TODO .doit by matching key id? */
2362 .dumpit
= nl802154_dump_llsec_key
,
2363 .policy
= nl802154_policy
,
2364 .flags
= GENL_ADMIN_PERM
,
2365 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2366 NL802154_FLAG_NEED_RTNL
,
2369 .cmd
= NL802154_CMD_NEW_SEC_KEY
,
2370 .doit
= nl802154_add_llsec_key
,
2371 .policy
= nl802154_policy
,
2372 .flags
= GENL_ADMIN_PERM
,
2373 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2374 NL802154_FLAG_NEED_RTNL
,
2377 .cmd
= NL802154_CMD_DEL_SEC_KEY
,
2378 .doit
= nl802154_del_llsec_key
,
2379 .policy
= nl802154_policy
,
2380 .flags
= GENL_ADMIN_PERM
,
2381 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2382 NL802154_FLAG_NEED_RTNL
,
2384 /* TODO unique identifier must short+pan OR extended_addr */
2386 .cmd
= NL802154_CMD_GET_SEC_DEV
,
2387 /* TODO .doit by matching extended_addr? */
2388 .dumpit
= nl802154_dump_llsec_dev
,
2389 .policy
= nl802154_policy
,
2390 .flags
= GENL_ADMIN_PERM
,
2391 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2392 NL802154_FLAG_NEED_RTNL
,
2395 .cmd
= NL802154_CMD_NEW_SEC_DEV
,
2396 .doit
= nl802154_add_llsec_dev
,
2397 .policy
= nl802154_policy
,
2398 .flags
= GENL_ADMIN_PERM
,
2399 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2400 NL802154_FLAG_NEED_RTNL
,
2403 .cmd
= NL802154_CMD_DEL_SEC_DEV
,
2404 .doit
= nl802154_del_llsec_dev
,
2405 .policy
= nl802154_policy
,
2406 .flags
= GENL_ADMIN_PERM
,
2407 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2408 NL802154_FLAG_NEED_RTNL
,
2410 /* TODO remove complete devkey, put it as nested? */
2412 .cmd
= NL802154_CMD_GET_SEC_DEVKEY
,
2413 /* TODO doit by matching ??? */
2414 .dumpit
= nl802154_dump_llsec_devkey
,
2415 .policy
= nl802154_policy
,
2416 .flags
= GENL_ADMIN_PERM
,
2417 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2418 NL802154_FLAG_NEED_RTNL
,
2421 .cmd
= NL802154_CMD_NEW_SEC_DEVKEY
,
2422 .doit
= nl802154_add_llsec_devkey
,
2423 .policy
= nl802154_policy
,
2424 .flags
= GENL_ADMIN_PERM
,
2425 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2426 NL802154_FLAG_NEED_RTNL
,
2429 .cmd
= NL802154_CMD_DEL_SEC_DEVKEY
,
2430 .doit
= nl802154_del_llsec_devkey
,
2431 .policy
= nl802154_policy
,
2432 .flags
= GENL_ADMIN_PERM
,
2433 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2434 NL802154_FLAG_NEED_RTNL
,
2437 .cmd
= NL802154_CMD_GET_SEC_LEVEL
,
2438 /* TODO .doit by matching frame_type? */
2439 .dumpit
= nl802154_dump_llsec_seclevel
,
2440 .policy
= nl802154_policy
,
2441 .flags
= GENL_ADMIN_PERM
,
2442 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2443 NL802154_FLAG_NEED_RTNL
,
2446 .cmd
= NL802154_CMD_NEW_SEC_LEVEL
,
2447 .doit
= nl802154_add_llsec_seclevel
,
2448 .policy
= nl802154_policy
,
2449 .flags
= GENL_ADMIN_PERM
,
2450 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2451 NL802154_FLAG_NEED_RTNL
,
2454 .cmd
= NL802154_CMD_DEL_SEC_LEVEL
,
2455 /* TODO match frame_type only? */
2456 .doit
= nl802154_del_llsec_seclevel
,
2457 .policy
= nl802154_policy
,
2458 .flags
= GENL_ADMIN_PERM
,
2459 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2460 NL802154_FLAG_NEED_RTNL
,
2462 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
2465 static struct genl_family nl802154_fam __ro_after_init
= {
2466 .name
= NL802154_GENL_NAME
, /* have users key off the name instead */
2467 .hdrsize
= 0, /* no private header */
2468 .version
= 1, /* no particular meaning now */
2469 .maxattr
= NL802154_ATTR_MAX
,
2471 .pre_doit
= nl802154_pre_doit
,
2472 .post_doit
= nl802154_post_doit
,
2473 .module
= THIS_MODULE
,
2474 .ops
= nl802154_ops
,
2475 .n_ops
= ARRAY_SIZE(nl802154_ops
),
2476 .mcgrps
= nl802154_mcgrps
,
2477 .n_mcgrps
= ARRAY_SIZE(nl802154_mcgrps
),
2480 /* initialisation/exit functions */
2481 int __init
nl802154_init(void)
2483 return genl_register_family(&nl802154_fam
);
2486 void nl802154_exit(void)
2488 genl_unregister_family(&nl802154_fam
);