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 static int nl802154_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
30 struct genl_info
*info
);
32 static void nl802154_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
33 struct genl_info
*info
);
35 /* the netlink family */
36 static struct genl_family nl802154_fam
= {
37 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
38 .name
= NL802154_GENL_NAME
, /* have users key off the name instead */
39 .hdrsize
= 0, /* no private header */
40 .version
= 1, /* no particular meaning now */
41 .maxattr
= NL802154_ATTR_MAX
,
43 .pre_doit
= nl802154_pre_doit
,
44 .post_doit
= nl802154_post_doit
,
47 /* multicast groups */
48 enum nl802154_multicast_groups
{
49 NL802154_MCGRP_CONFIG
,
52 static const struct genl_multicast_group nl802154_mcgrps
[] = {
53 [NL802154_MCGRP_CONFIG
] = { .name
= "config", },
56 /* returns ERR_PTR values */
57 static struct wpan_dev
*
58 __cfg802154_wpan_dev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
60 struct cfg802154_registered_device
*rdev
;
61 struct wpan_dev
*result
= NULL
;
62 bool have_ifidx
= attrs
[NL802154_ATTR_IFINDEX
];
63 bool have_wpan_dev_id
= attrs
[NL802154_ATTR_WPAN_DEV
];
65 int wpan_phy_idx
= -1;
70 if (!have_ifidx
&& !have_wpan_dev_id
)
71 return ERR_PTR(-EINVAL
);
74 ifidx
= nla_get_u32(attrs
[NL802154_ATTR_IFINDEX
]);
75 if (have_wpan_dev_id
) {
76 wpan_dev_id
= nla_get_u64(attrs
[NL802154_ATTR_WPAN_DEV
]);
77 wpan_phy_idx
= wpan_dev_id
>> 32;
80 list_for_each_entry(rdev
, &cfg802154_rdev_list
, list
) {
81 struct wpan_dev
*wpan_dev
;
83 /* TODO netns compare */
85 if (have_wpan_dev_id
&& rdev
->wpan_phy_idx
!= wpan_phy_idx
)
88 list_for_each_entry(wpan_dev
, &rdev
->wpan_dev_list
, list
) {
89 if (have_ifidx
&& wpan_dev
->netdev
&&
90 wpan_dev
->netdev
->ifindex
== ifidx
) {
94 if (have_wpan_dev_id
&&
95 wpan_dev
->identifier
== (u32
)wpan_dev_id
) {
108 return ERR_PTR(-ENODEV
);
111 static struct cfg802154_registered_device
*
112 __cfg802154_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
114 struct cfg802154_registered_device
*rdev
= NULL
, *tmp
;
115 struct net_device
*netdev
;
119 if (!attrs
[NL802154_ATTR_WPAN_PHY
] &&
120 !attrs
[NL802154_ATTR_IFINDEX
] &&
121 !attrs
[NL802154_ATTR_WPAN_DEV
])
122 return ERR_PTR(-EINVAL
);
124 if (attrs
[NL802154_ATTR_WPAN_PHY
])
125 rdev
= cfg802154_rdev_by_wpan_phy_idx(
126 nla_get_u32(attrs
[NL802154_ATTR_WPAN_PHY
]));
128 if (attrs
[NL802154_ATTR_WPAN_DEV
]) {
129 u64 wpan_dev_id
= nla_get_u64(attrs
[NL802154_ATTR_WPAN_DEV
]);
130 struct wpan_dev
*wpan_dev
;
133 tmp
= cfg802154_rdev_by_wpan_phy_idx(wpan_dev_id
>> 32);
135 /* make sure wpan_dev exists */
136 list_for_each_entry(wpan_dev
, &tmp
->wpan_dev_list
, list
) {
137 if (wpan_dev
->identifier
!= (u32
)wpan_dev_id
)
146 if (rdev
&& tmp
!= rdev
)
147 return ERR_PTR(-EINVAL
);
152 if (attrs
[NL802154_ATTR_IFINDEX
]) {
153 int ifindex
= nla_get_u32(attrs
[NL802154_ATTR_IFINDEX
]);
155 netdev
= __dev_get_by_index(netns
, ifindex
);
157 if (netdev
->ieee802154_ptr
)
158 tmp
= wpan_phy_to_rdev(
159 netdev
->ieee802154_ptr
->wpan_phy
);
163 /* not wireless device -- return error */
165 return ERR_PTR(-EINVAL
);
167 /* mismatch -- return error */
168 if (rdev
&& tmp
!= rdev
)
169 return ERR_PTR(-EINVAL
);
176 return ERR_PTR(-ENODEV
);
178 /* TODO netns compare */
183 /* This function returns a pointer to the driver
184 * that the genl_info item that is passed refers to.
186 * The result of this can be a PTR_ERR and hence must
187 * be checked with IS_ERR() for errors.
189 static struct cfg802154_registered_device
*
190 cfg802154_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
192 return __cfg802154_rdev_from_attrs(netns
, info
->attrs
);
195 /* policy for the attributes */
196 static const struct nla_policy nl802154_policy
[NL802154_ATTR_MAX
+1] = {
197 [NL802154_ATTR_WPAN_PHY
] = { .type
= NLA_U32
},
198 [NL802154_ATTR_WPAN_PHY_NAME
] = { .type
= NLA_NUL_STRING
,
201 [NL802154_ATTR_IFINDEX
] = { .type
= NLA_U32
},
202 [NL802154_ATTR_IFTYPE
] = { .type
= NLA_U32
},
203 [NL802154_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
205 [NL802154_ATTR_WPAN_DEV
] = { .type
= NLA_U64
},
207 [NL802154_ATTR_PAGE
] = { .type
= NLA_U8
, },
208 [NL802154_ATTR_CHANNEL
] = { .type
= NLA_U8
, },
210 [NL802154_ATTR_TX_POWER
] = { .type
= NLA_S32
, },
212 [NL802154_ATTR_CCA_MODE
] = { .type
= NLA_U32
, },
213 [NL802154_ATTR_CCA_OPT
] = { .type
= NLA_U32
, },
214 [NL802154_ATTR_CCA_ED_LEVEL
] = { .type
= NLA_S32
, },
216 [NL802154_ATTR_SUPPORTED_CHANNEL
] = { .type
= NLA_U32
, },
218 [NL802154_ATTR_PAN_ID
] = { .type
= NLA_U16
, },
219 [NL802154_ATTR_EXTENDED_ADDR
] = { .type
= NLA_U64
},
220 [NL802154_ATTR_SHORT_ADDR
] = { .type
= NLA_U16
, },
222 [NL802154_ATTR_MIN_BE
] = { .type
= NLA_U8
, },
223 [NL802154_ATTR_MAX_BE
] = { .type
= NLA_U8
, },
224 [NL802154_ATTR_MAX_CSMA_BACKOFFS
] = { .type
= NLA_U8
, },
226 [NL802154_ATTR_MAX_FRAME_RETRIES
] = { .type
= NLA_S8
, },
228 [NL802154_ATTR_LBT_MODE
] = { .type
= NLA_U8
, },
230 [NL802154_ATTR_WPAN_PHY_CAPS
] = { .type
= NLA_NESTED
},
232 [NL802154_ATTR_SUPPORTED_COMMANDS
] = { .type
= NLA_NESTED
},
234 [NL802154_ATTR_ACKREQ_DEFAULT
] = { .type
= NLA_U8
},
236 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
237 [NL802154_ATTR_SEC_ENABLED
] = { .type
= NLA_U8
, },
238 [NL802154_ATTR_SEC_OUT_LEVEL
] = { .type
= NLA_U32
, },
239 [NL802154_ATTR_SEC_OUT_KEY_ID
] = { .type
= NLA_NESTED
, },
240 [NL802154_ATTR_SEC_FRAME_COUNTER
] = { .type
= NLA_U32
},
242 [NL802154_ATTR_SEC_LEVEL
] = { .type
= NLA_NESTED
},
243 [NL802154_ATTR_SEC_DEVICE
] = { .type
= NLA_NESTED
},
244 [NL802154_ATTR_SEC_DEVKEY
] = { .type
= NLA_NESTED
},
245 [NL802154_ATTR_SEC_KEY
] = { .type
= NLA_NESTED
},
246 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
249 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
251 nl802154_prepare_wpan_dev_dump(struct sk_buff
*skb
,
252 struct netlink_callback
*cb
,
253 struct cfg802154_registered_device
**rdev
,
254 struct wpan_dev
**wpan_dev
)
261 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl802154_fam
.hdrsize
,
262 nl802154_fam
.attrbuf
, nl802154_fam
.maxattr
,
267 *wpan_dev
= __cfg802154_wpan_dev_from_attrs(sock_net(skb
->sk
),
268 nl802154_fam
.attrbuf
);
269 if (IS_ERR(*wpan_dev
)) {
270 err
= PTR_ERR(*wpan_dev
);
273 *rdev
= wpan_phy_to_rdev((*wpan_dev
)->wpan_phy
);
274 /* 0 is the first index - add 1 to parse only once */
275 cb
->args
[0] = (*rdev
)->wpan_phy_idx
+ 1;
276 cb
->args
[1] = (*wpan_dev
)->identifier
;
278 /* subtract the 1 again here */
279 struct wpan_phy
*wpan_phy
= wpan_phy_idx_to_wpan_phy(cb
->args
[0] - 1);
280 struct wpan_dev
*tmp
;
286 *rdev
= wpan_phy_to_rdev(wpan_phy
);
289 list_for_each_entry(tmp
, &(*rdev
)->wpan_dev_list
, list
) {
290 if (tmp
->identifier
== cb
->args
[1]) {
309 nl802154_finish_wpan_dev_dump(struct cfg802154_registered_device
*rdev
)
313 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
315 /* message building helper */
316 static inline void *nl802154hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
319 /* since there is no private header just add the generic one */
320 return genlmsg_put(skb
, portid
, seq
, &nl802154_fam
, flags
, cmd
);
324 nl802154_put_flags(struct sk_buff
*msg
, int attr
, u32 mask
)
326 struct nlattr
*nl_flags
= nla_nest_start(msg
, attr
);
334 if ((mask
& 1) && nla_put_flag(msg
, i
))
341 nla_nest_end(msg
, nl_flags
);
346 nl802154_send_wpan_phy_channels(struct cfg802154_registered_device
*rdev
,
349 struct nlattr
*nl_page
;
352 nl_page
= nla_nest_start(msg
, NL802154_ATTR_CHANNELS_SUPPORTED
);
356 for (page
= 0; page
<= IEEE802154_MAX_PAGE
; page
++) {
357 if (nla_put_u32(msg
, NL802154_ATTR_SUPPORTED_CHANNEL
,
358 rdev
->wpan_phy
.supported
.channels
[page
]))
361 nla_nest_end(msg
, nl_page
);
367 nl802154_put_capabilities(struct sk_buff
*msg
,
368 struct cfg802154_registered_device
*rdev
)
370 const struct wpan_phy_supported
*caps
= &rdev
->wpan_phy
.supported
;
371 struct nlattr
*nl_caps
, *nl_channels
;
374 nl_caps
= nla_nest_start(msg
, NL802154_ATTR_WPAN_PHY_CAPS
);
378 nl_channels
= nla_nest_start(msg
, NL802154_CAP_ATTR_CHANNELS
);
382 for (i
= 0; i
<= IEEE802154_MAX_PAGE
; i
++) {
383 if (caps
->channels
[i
]) {
384 if (nl802154_put_flags(msg
, i
, caps
->channels
[i
]))
389 nla_nest_end(msg
, nl_channels
);
391 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_ED_LEVEL
) {
392 struct nlattr
*nl_ed_lvls
;
394 nl_ed_lvls
= nla_nest_start(msg
,
395 NL802154_CAP_ATTR_CCA_ED_LEVELS
);
399 for (i
= 0; i
< caps
->cca_ed_levels_size
; i
++) {
400 if (nla_put_s32(msg
, i
, caps
->cca_ed_levels
[i
]))
404 nla_nest_end(msg
, nl_ed_lvls
);
407 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_TXPOWER
) {
408 struct nlattr
*nl_tx_pwrs
;
410 nl_tx_pwrs
= nla_nest_start(msg
, NL802154_CAP_ATTR_TX_POWERS
);
414 for (i
= 0; i
< caps
->tx_powers_size
; i
++) {
415 if (nla_put_s32(msg
, i
, caps
->tx_powers
[i
]))
419 nla_nest_end(msg
, nl_tx_pwrs
);
422 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_MODE
) {
423 if (nl802154_put_flags(msg
, NL802154_CAP_ATTR_CCA_MODES
,
425 nl802154_put_flags(msg
, NL802154_CAP_ATTR_CCA_OPTS
,
430 if (nla_put_u8(msg
, NL802154_CAP_ATTR_MIN_MINBE
, caps
->min_minbe
) ||
431 nla_put_u8(msg
, NL802154_CAP_ATTR_MAX_MINBE
, caps
->max_minbe
) ||
432 nla_put_u8(msg
, NL802154_CAP_ATTR_MIN_MAXBE
, caps
->min_maxbe
) ||
433 nla_put_u8(msg
, NL802154_CAP_ATTR_MAX_MAXBE
, caps
->max_maxbe
) ||
434 nla_put_u8(msg
, NL802154_CAP_ATTR_MIN_CSMA_BACKOFFS
,
435 caps
->min_csma_backoffs
) ||
436 nla_put_u8(msg
, NL802154_CAP_ATTR_MAX_CSMA_BACKOFFS
,
437 caps
->max_csma_backoffs
) ||
438 nla_put_s8(msg
, NL802154_CAP_ATTR_MIN_FRAME_RETRIES
,
439 caps
->min_frame_retries
) ||
440 nla_put_s8(msg
, NL802154_CAP_ATTR_MAX_FRAME_RETRIES
,
441 caps
->max_frame_retries
) ||
442 nl802154_put_flags(msg
, NL802154_CAP_ATTR_IFTYPES
,
444 nla_put_u32(msg
, NL802154_CAP_ATTR_LBT
, caps
->lbt
))
447 nla_nest_end(msg
, nl_caps
);
452 static int nl802154_send_wpan_phy(struct cfg802154_registered_device
*rdev
,
453 enum nl802154_commands cmd
,
454 struct sk_buff
*msg
, u32 portid
, u32 seq
,
457 struct nlattr
*nl_cmds
;
461 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
465 if (nla_put_u32(msg
, NL802154_ATTR_WPAN_PHY
, rdev
->wpan_phy_idx
) ||
466 nla_put_string(msg
, NL802154_ATTR_WPAN_PHY_NAME
,
467 wpan_phy_name(&rdev
->wpan_phy
)) ||
468 nla_put_u32(msg
, NL802154_ATTR_GENERATION
,
469 cfg802154_rdev_list_generation
))
470 goto nla_put_failure
;
472 if (cmd
!= NL802154_CMD_NEW_WPAN_PHY
)
477 /* current channel settings */
478 if (nla_put_u8(msg
, NL802154_ATTR_PAGE
,
479 rdev
->wpan_phy
.current_page
) ||
480 nla_put_u8(msg
, NL802154_ATTR_CHANNEL
,
481 rdev
->wpan_phy
.current_channel
))
482 goto nla_put_failure
;
484 /* TODO remove this behaviour, we still keep support it for a while
485 * so users can change the behaviour to the new one.
487 if (nl802154_send_wpan_phy_channels(rdev
, msg
))
488 goto nla_put_failure
;
491 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_MODE
) {
492 if (nla_put_u32(msg
, NL802154_ATTR_CCA_MODE
,
493 rdev
->wpan_phy
.cca
.mode
))
494 goto nla_put_failure
;
496 if (rdev
->wpan_phy
.cca
.mode
== NL802154_CCA_ENERGY_CARRIER
) {
497 if (nla_put_u32(msg
, NL802154_ATTR_CCA_OPT
,
498 rdev
->wpan_phy
.cca
.opt
))
499 goto nla_put_failure
;
503 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_TXPOWER
) {
504 if (nla_put_s32(msg
, NL802154_ATTR_TX_POWER
,
505 rdev
->wpan_phy
.transmit_power
))
506 goto nla_put_failure
;
509 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_ED_LEVEL
) {
510 if (nla_put_s32(msg
, NL802154_ATTR_CCA_ED_LEVEL
,
511 rdev
->wpan_phy
.cca_ed_level
))
512 goto nla_put_failure
;
515 if (nl802154_put_capabilities(msg
, rdev
))
516 goto nla_put_failure
;
518 nl_cmds
= nla_nest_start(msg
, NL802154_ATTR_SUPPORTED_COMMANDS
);
520 goto nla_put_failure
;
525 if (rdev->ops->op) { \
527 if (nla_put_u32(msg, i, NL802154_CMD_ ## n)) \
528 goto nla_put_failure; \
532 CMD(add_virtual_intf
, NEW_INTERFACE
);
533 CMD(del_virtual_intf
, DEL_INTERFACE
);
534 CMD(set_channel
, SET_CHANNEL
);
535 CMD(set_pan_id
, SET_PAN_ID
);
536 CMD(set_short_addr
, SET_SHORT_ADDR
);
537 CMD(set_backoff_exponent
, SET_BACKOFF_EXPONENT
);
538 CMD(set_max_csma_backoffs
, SET_MAX_CSMA_BACKOFFS
);
539 CMD(set_max_frame_retries
, SET_MAX_FRAME_RETRIES
);
540 CMD(set_lbt_mode
, SET_LBT_MODE
);
541 CMD(set_ackreq_default
, SET_ACKREQ_DEFAULT
);
543 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_TXPOWER
)
544 CMD(set_tx_power
, SET_TX_POWER
);
546 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_ED_LEVEL
)
547 CMD(set_cca_ed_level
, SET_CCA_ED_LEVEL
);
549 if (rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_MODE
)
550 CMD(set_cca_mode
, SET_CCA_MODE
);
553 nla_nest_end(msg
, nl_cmds
);
556 genlmsg_end(msg
, hdr
);
560 genlmsg_cancel(msg
, hdr
);
564 struct nl802154_dump_wpan_phy_state
{
570 static int nl802154_dump_wpan_phy_parse(struct sk_buff
*skb
,
571 struct netlink_callback
*cb
,
572 struct nl802154_dump_wpan_phy_state
*state
)
574 struct nlattr
**tb
= nl802154_fam
.attrbuf
;
575 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl802154_fam
.hdrsize
,
576 tb
, nl802154_fam
.maxattr
, nl802154_policy
);
578 /* TODO check if we can handle error here,
579 * we have no backward compatibility
584 if (tb
[NL802154_ATTR_WPAN_PHY
])
585 state
->filter_wpan_phy
= nla_get_u32(tb
[NL802154_ATTR_WPAN_PHY
]);
586 if (tb
[NL802154_ATTR_WPAN_DEV
])
587 state
->filter_wpan_phy
= nla_get_u64(tb
[NL802154_ATTR_WPAN_DEV
]) >> 32;
588 if (tb
[NL802154_ATTR_IFINDEX
]) {
589 struct net_device
*netdev
;
590 struct cfg802154_registered_device
*rdev
;
591 int ifidx
= nla_get_u32(tb
[NL802154_ATTR_IFINDEX
]);
594 netdev
= __dev_get_by_index(&init_net
, ifidx
);
597 if (netdev
->ieee802154_ptr
) {
598 rdev
= wpan_phy_to_rdev(
599 netdev
->ieee802154_ptr
->wpan_phy
);
600 state
->filter_wpan_phy
= rdev
->wpan_phy_idx
;
608 nl802154_dump_wpan_phy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
611 struct nl802154_dump_wpan_phy_state
*state
= (void *)cb
->args
[0];
612 struct cfg802154_registered_device
*rdev
;
616 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
621 state
->filter_wpan_phy
= -1;
622 ret
= nl802154_dump_wpan_phy_parse(skb
, cb
, state
);
628 cb
->args
[0] = (long)state
;
631 list_for_each_entry(rdev
, &cfg802154_rdev_list
, list
) {
632 /* TODO net ns compare */
633 if (++idx
<= state
->start
)
635 if (state
->filter_wpan_phy
!= -1 &&
636 state
->filter_wpan_phy
!= rdev
->wpan_phy_idx
)
638 /* attempt to fit multiple wpan_phy data chunks into the skb */
639 ret
= nl802154_send_wpan_phy(rdev
,
640 NL802154_CMD_NEW_WPAN_PHY
,
642 NETLINK_CB(cb
->skb
).portid
,
643 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
);
645 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
646 !skb
->len
&& cb
->min_dump_alloc
< 4096) {
647 cb
->min_dump_alloc
= 4096;
663 static int nl802154_dump_wpan_phy_done(struct netlink_callback
*cb
)
665 kfree((void *)cb
->args
[0]);
669 static int nl802154_get_wpan_phy(struct sk_buff
*skb
, struct genl_info
*info
)
672 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
674 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
678 if (nl802154_send_wpan_phy(rdev
, NL802154_CMD_NEW_WPAN_PHY
, msg
,
679 info
->snd_portid
, info
->snd_seq
, 0) < 0) {
684 return genlmsg_reply(msg
, info
);
687 static inline u64
wpan_dev_id(struct wpan_dev
*wpan_dev
)
689 return (u64
)wpan_dev
->identifier
|
690 ((u64
)wpan_phy_to_rdev(wpan_dev
->wpan_phy
)->wpan_phy_idx
<< 32);
693 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
694 #include <net/ieee802154_netdev.h>
697 ieee802154_llsec_send_key_id(struct sk_buff
*msg
,
698 const struct ieee802154_llsec_key_id
*desc
)
700 struct nlattr
*nl_dev_addr
;
702 if (nla_put_u32(msg
, NL802154_KEY_ID_ATTR_MODE
, desc
->mode
))
705 switch (desc
->mode
) {
706 case NL802154_KEY_ID_MODE_IMPLICIT
:
707 nl_dev_addr
= nla_nest_start(msg
, NL802154_KEY_ID_ATTR_IMPLICIT
);
711 if (nla_put_le16(msg
, NL802154_DEV_ADDR_ATTR_PAN_ID
,
712 desc
->device_addr
.pan_id
) ||
713 nla_put_u32(msg
, NL802154_DEV_ADDR_ATTR_MODE
,
714 desc
->device_addr
.mode
))
717 switch (desc
->device_addr
.mode
) {
718 case NL802154_DEV_ADDR_SHORT
:
719 if (nla_put_le16(msg
, NL802154_DEV_ADDR_ATTR_SHORT
,
720 desc
->device_addr
.short_addr
))
723 case NL802154_DEV_ADDR_EXTENDED
:
724 if (nla_put_le64(msg
, NL802154_DEV_ADDR_ATTR_EXTENDED
,
725 desc
->device_addr
.extended_addr
,
726 NL802154_DEV_ADDR_ATTR_PAD
))
730 /* userspace should handle unknown */
734 nla_nest_end(msg
, nl_dev_addr
);
736 case NL802154_KEY_ID_MODE_INDEX
:
738 case NL802154_KEY_ID_MODE_INDEX_SHORT
:
739 /* TODO renmae short_source? */
740 if (nla_put_le32(msg
, NL802154_KEY_ID_ATTR_SOURCE_SHORT
,
744 case NL802154_KEY_ID_MODE_INDEX_EXTENDED
:
745 if (nla_put_le64(msg
, NL802154_KEY_ID_ATTR_SOURCE_EXTENDED
,
746 desc
->extended_source
,
747 NL802154_KEY_ID_ATTR_PAD
))
751 /* userspace should handle unknown */
755 /* TODO key_id to key_idx ? Check naming */
756 if (desc
->mode
!= NL802154_KEY_ID_MODE_IMPLICIT
) {
757 if (nla_put_u8(msg
, NL802154_KEY_ID_ATTR_INDEX
, desc
->id
))
764 static int nl802154_get_llsec_params(struct sk_buff
*msg
,
765 struct cfg802154_registered_device
*rdev
,
766 struct wpan_dev
*wpan_dev
)
768 struct nlattr
*nl_key_id
;
769 struct ieee802154_llsec_params params
;
772 ret
= rdev_get_llsec_params(rdev
, wpan_dev
, ¶ms
);
776 if (nla_put_u8(msg
, NL802154_ATTR_SEC_ENABLED
, params
.enabled
) ||
777 nla_put_u32(msg
, NL802154_ATTR_SEC_OUT_LEVEL
, params
.out_level
) ||
778 nla_put_be32(msg
, NL802154_ATTR_SEC_FRAME_COUNTER
,
779 params
.frame_counter
))
782 nl_key_id
= nla_nest_start(msg
, NL802154_ATTR_SEC_OUT_KEY_ID
);
786 ret
= ieee802154_llsec_send_key_id(msg
, ¶ms
.out_key
);
790 nla_nest_end(msg
, nl_key_id
);
794 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
797 nl802154_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
798 struct cfg802154_registered_device
*rdev
,
799 struct wpan_dev
*wpan_dev
)
801 struct net_device
*dev
= wpan_dev
->netdev
;
804 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
,
805 NL802154_CMD_NEW_INTERFACE
);
810 (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
) ||
811 nla_put_string(msg
, NL802154_ATTR_IFNAME
, dev
->name
)))
812 goto nla_put_failure
;
814 if (nla_put_u32(msg
, NL802154_ATTR_WPAN_PHY
, rdev
->wpan_phy_idx
) ||
815 nla_put_u32(msg
, NL802154_ATTR_IFTYPE
, wpan_dev
->iftype
) ||
816 nla_put_u64_64bit(msg
, NL802154_ATTR_WPAN_DEV
,
817 wpan_dev_id(wpan_dev
), NL802154_ATTR_PAD
) ||
818 nla_put_u32(msg
, NL802154_ATTR_GENERATION
,
819 rdev
->devlist_generation
^
820 (cfg802154_rdev_list_generation
<< 2)))
821 goto nla_put_failure
;
823 /* address settings */
824 if (nla_put_le64(msg
, NL802154_ATTR_EXTENDED_ADDR
,
825 wpan_dev
->extended_addr
,
826 NL802154_ATTR_PAD
) ||
827 nla_put_le16(msg
, NL802154_ATTR_SHORT_ADDR
,
828 wpan_dev
->short_addr
) ||
829 nla_put_le16(msg
, NL802154_ATTR_PAN_ID
, wpan_dev
->pan_id
))
830 goto nla_put_failure
;
833 if (nla_put_s8(msg
, NL802154_ATTR_MAX_FRAME_RETRIES
,
834 wpan_dev
->frame_retries
) ||
835 nla_put_u8(msg
, NL802154_ATTR_MAX_BE
, wpan_dev
->max_be
) ||
836 nla_put_u8(msg
, NL802154_ATTR_MAX_CSMA_BACKOFFS
,
837 wpan_dev
->csma_retries
) ||
838 nla_put_u8(msg
, NL802154_ATTR_MIN_BE
, wpan_dev
->min_be
))
839 goto nla_put_failure
;
841 /* listen before transmit */
842 if (nla_put_u8(msg
, NL802154_ATTR_LBT_MODE
, wpan_dev
->lbt
))
843 goto nla_put_failure
;
845 /* ackreq default behaviour */
846 if (nla_put_u8(msg
, NL802154_ATTR_ACKREQ_DEFAULT
, wpan_dev
->ackreq
))
847 goto nla_put_failure
;
849 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
850 if (nl802154_get_llsec_params(msg
, rdev
, wpan_dev
) < 0)
851 goto nla_put_failure
;
852 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
854 genlmsg_end(msg
, hdr
);
858 genlmsg_cancel(msg
, hdr
);
863 nl802154_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
867 int wp_start
= cb
->args
[0];
868 int if_start
= cb
->args
[1];
869 struct cfg802154_registered_device
*rdev
;
870 struct wpan_dev
*wpan_dev
;
873 list_for_each_entry(rdev
, &cfg802154_rdev_list
, list
) {
874 /* TODO netns compare */
875 if (wp_idx
< wp_start
) {
881 list_for_each_entry(wpan_dev
, &rdev
->wpan_dev_list
, list
) {
882 if (if_idx
< if_start
) {
886 if (nl802154_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
887 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
888 rdev
, wpan_dev
) < 0) {
899 cb
->args
[0] = wp_idx
;
900 cb
->args
[1] = if_idx
;
905 static int nl802154_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
908 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
909 struct wpan_dev
*wdev
= info
->user_ptr
[1];
911 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
915 if (nl802154_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
921 return genlmsg_reply(msg
, info
);
924 static int nl802154_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
926 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
927 enum nl802154_iftype type
= NL802154_IFTYPE_UNSPEC
;
928 __le64 extended_addr
= cpu_to_le64(0x0000000000000000ULL
);
930 /* TODO avoid failing a new interface
931 * creation due to pending removal?
934 if (!info
->attrs
[NL802154_ATTR_IFNAME
])
937 if (info
->attrs
[NL802154_ATTR_IFTYPE
]) {
938 type
= nla_get_u32(info
->attrs
[NL802154_ATTR_IFTYPE
]);
939 if (type
> NL802154_IFTYPE_MAX
||
940 !(rdev
->wpan_phy
.supported
.iftypes
& BIT(type
)))
944 if (info
->attrs
[NL802154_ATTR_EXTENDED_ADDR
])
945 extended_addr
= nla_get_le64(info
->attrs
[NL802154_ATTR_EXTENDED_ADDR
]);
947 if (!rdev
->ops
->add_virtual_intf
)
950 return rdev_add_virtual_intf(rdev
,
951 nla_data(info
->attrs
[NL802154_ATTR_IFNAME
]),
952 NET_NAME_USER
, type
, extended_addr
);
955 static int nl802154_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
957 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
958 struct wpan_dev
*wpan_dev
= info
->user_ptr
[1];
960 if (!rdev
->ops
->del_virtual_intf
)
963 /* If we remove a wpan device without a netdev then clear
964 * user_ptr[1] so that nl802154_post_doit won't dereference it
965 * to check if it needs to do dev_put(). Otherwise it crashes
966 * since the wpan_dev has been freed, unlike with a netdev where
967 * we need the dev_put() for the netdev to really be freed.
969 if (!wpan_dev
->netdev
)
970 info
->user_ptr
[1] = NULL
;
972 return rdev_del_virtual_intf(rdev
, wpan_dev
);
975 static int nl802154_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
977 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
980 if (!info
->attrs
[NL802154_ATTR_PAGE
] ||
981 !info
->attrs
[NL802154_ATTR_CHANNEL
])
984 page
= nla_get_u8(info
->attrs
[NL802154_ATTR_PAGE
]);
985 channel
= nla_get_u8(info
->attrs
[NL802154_ATTR_CHANNEL
]);
987 /* check 802.15.4 constraints */
988 if (page
> IEEE802154_MAX_PAGE
|| channel
> IEEE802154_MAX_CHANNEL
||
989 !(rdev
->wpan_phy
.supported
.channels
[page
] & BIT(channel
)))
992 return rdev_set_channel(rdev
, page
, channel
);
995 static int nl802154_set_cca_mode(struct sk_buff
*skb
, struct genl_info
*info
)
997 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
998 struct wpan_phy_cca cca
;
1000 if (!(rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_MODE
))
1003 if (!info
->attrs
[NL802154_ATTR_CCA_MODE
])
1006 cca
.mode
= nla_get_u32(info
->attrs
[NL802154_ATTR_CCA_MODE
]);
1007 /* checking 802.15.4 constraints */
1008 if (cca
.mode
< NL802154_CCA_ENERGY
||
1009 cca
.mode
> NL802154_CCA_ATTR_MAX
||
1010 !(rdev
->wpan_phy
.supported
.cca_modes
& BIT(cca
.mode
)))
1013 if (cca
.mode
== NL802154_CCA_ENERGY_CARRIER
) {
1014 if (!info
->attrs
[NL802154_ATTR_CCA_OPT
])
1017 cca
.opt
= nla_get_u32(info
->attrs
[NL802154_ATTR_CCA_OPT
]);
1018 if (cca
.opt
> NL802154_CCA_OPT_ATTR_MAX
||
1019 !(rdev
->wpan_phy
.supported
.cca_opts
& BIT(cca
.opt
)))
1023 return rdev_set_cca_mode(rdev
, &cca
);
1026 static int nl802154_set_cca_ed_level(struct sk_buff
*skb
, struct genl_info
*info
)
1028 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1032 if (!(rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_CCA_ED_LEVEL
))
1035 if (!info
->attrs
[NL802154_ATTR_CCA_ED_LEVEL
])
1038 ed_level
= nla_get_s32(info
->attrs
[NL802154_ATTR_CCA_ED_LEVEL
]);
1040 for (i
= 0; i
< rdev
->wpan_phy
.supported
.cca_ed_levels_size
; i
++) {
1041 if (ed_level
== rdev
->wpan_phy
.supported
.cca_ed_levels
[i
])
1042 return rdev_set_cca_ed_level(rdev
, ed_level
);
1048 static int nl802154_set_tx_power(struct sk_buff
*skb
, struct genl_info
*info
)
1050 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1054 if (!(rdev
->wpan_phy
.flags
& WPAN_PHY_FLAG_TXPOWER
))
1057 if (!info
->attrs
[NL802154_ATTR_TX_POWER
])
1060 power
= nla_get_s32(info
->attrs
[NL802154_ATTR_TX_POWER
]);
1062 for (i
= 0; i
< rdev
->wpan_phy
.supported
.tx_powers_size
; i
++) {
1063 if (power
== rdev
->wpan_phy
.supported
.tx_powers
[i
])
1064 return rdev_set_tx_power(rdev
, power
);
1070 static int nl802154_set_pan_id(struct sk_buff
*skb
, struct genl_info
*info
)
1072 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1073 struct net_device
*dev
= info
->user_ptr
[1];
1074 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1077 /* conflict here while tx/rx calls */
1078 if (netif_running(dev
))
1081 /* don't change address fields on monitor */
1082 if (wpan_dev
->iftype
== NL802154_IFTYPE_MONITOR
||
1083 !info
->attrs
[NL802154_ATTR_PAN_ID
])
1086 pan_id
= nla_get_le16(info
->attrs
[NL802154_ATTR_PAN_ID
]);
1089 * I am not sure about to check here on broadcast pan_id.
1090 * Broadcast is a valid setting, comment from 802.15.4:
1091 * If this value is 0xffff, the device is not associated.
1093 * This could useful to simple deassociate an device.
1095 if (pan_id
== cpu_to_le16(IEEE802154_PAN_ID_BROADCAST
))
1098 return rdev_set_pan_id(rdev
, wpan_dev
, pan_id
);
1101 static int nl802154_set_short_addr(struct sk_buff
*skb
, struct genl_info
*info
)
1103 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1104 struct net_device
*dev
= info
->user_ptr
[1];
1105 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1108 /* conflict here while tx/rx calls */
1109 if (netif_running(dev
))
1112 /* don't change address fields on monitor */
1113 if (wpan_dev
->iftype
== NL802154_IFTYPE_MONITOR
||
1114 !info
->attrs
[NL802154_ATTR_SHORT_ADDR
])
1117 short_addr
= nla_get_le16(info
->attrs
[NL802154_ATTR_SHORT_ADDR
]);
1120 * I am not sure about to check here on broadcast short_addr.
1121 * Broadcast is a valid setting, comment from 802.15.4:
1122 * A value of 0xfffe indicates that the device has
1123 * associated but has not been allocated an address. A
1124 * value of 0xffff indicates that the device does not
1125 * have a short address.
1127 * I think we should allow to set these settings but
1128 * don't allow to allow socket communication with it.
1130 if (short_addr
== cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC
) ||
1131 short_addr
== cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST
))
1134 return rdev_set_short_addr(rdev
, wpan_dev
, short_addr
);
1138 nl802154_set_backoff_exponent(struct sk_buff
*skb
, struct genl_info
*info
)
1140 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1141 struct net_device
*dev
= info
->user_ptr
[1];
1142 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1145 /* should be set on netif open inside phy settings */
1146 if (netif_running(dev
))
1149 if (!info
->attrs
[NL802154_ATTR_MIN_BE
] ||
1150 !info
->attrs
[NL802154_ATTR_MAX_BE
])
1153 min_be
= nla_get_u8(info
->attrs
[NL802154_ATTR_MIN_BE
]);
1154 max_be
= nla_get_u8(info
->attrs
[NL802154_ATTR_MAX_BE
]);
1156 /* check 802.15.4 constraints */
1157 if (min_be
< rdev
->wpan_phy
.supported
.min_minbe
||
1158 min_be
> rdev
->wpan_phy
.supported
.max_minbe
||
1159 max_be
< rdev
->wpan_phy
.supported
.min_maxbe
||
1160 max_be
> rdev
->wpan_phy
.supported
.max_maxbe
||
1164 return rdev_set_backoff_exponent(rdev
, wpan_dev
, min_be
, max_be
);
1168 nl802154_set_max_csma_backoffs(struct sk_buff
*skb
, struct genl_info
*info
)
1170 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1171 struct net_device
*dev
= info
->user_ptr
[1];
1172 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1173 u8 max_csma_backoffs
;
1175 /* conflict here while other running iface settings */
1176 if (netif_running(dev
))
1179 if (!info
->attrs
[NL802154_ATTR_MAX_CSMA_BACKOFFS
])
1182 max_csma_backoffs
= nla_get_u8(
1183 info
->attrs
[NL802154_ATTR_MAX_CSMA_BACKOFFS
]);
1185 /* check 802.15.4 constraints */
1186 if (max_csma_backoffs
< rdev
->wpan_phy
.supported
.min_csma_backoffs
||
1187 max_csma_backoffs
> rdev
->wpan_phy
.supported
.max_csma_backoffs
)
1190 return rdev_set_max_csma_backoffs(rdev
, wpan_dev
, max_csma_backoffs
);
1194 nl802154_set_max_frame_retries(struct sk_buff
*skb
, struct genl_info
*info
)
1196 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1197 struct net_device
*dev
= info
->user_ptr
[1];
1198 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1199 s8 max_frame_retries
;
1201 if (netif_running(dev
))
1204 if (!info
->attrs
[NL802154_ATTR_MAX_FRAME_RETRIES
])
1207 max_frame_retries
= nla_get_s8(
1208 info
->attrs
[NL802154_ATTR_MAX_FRAME_RETRIES
]);
1210 /* check 802.15.4 constraints */
1211 if (max_frame_retries
< rdev
->wpan_phy
.supported
.min_frame_retries
||
1212 max_frame_retries
> rdev
->wpan_phy
.supported
.max_frame_retries
)
1215 return rdev_set_max_frame_retries(rdev
, wpan_dev
, max_frame_retries
);
1218 static int nl802154_set_lbt_mode(struct sk_buff
*skb
, struct genl_info
*info
)
1220 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1221 struct net_device
*dev
= info
->user_ptr
[1];
1222 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1225 if (netif_running(dev
))
1228 if (!info
->attrs
[NL802154_ATTR_LBT_MODE
])
1231 mode
= nla_get_u8(info
->attrs
[NL802154_ATTR_LBT_MODE
]);
1233 if (mode
!= 0 && mode
!= 1)
1236 if (!wpan_phy_supported_bool(mode
, rdev
->wpan_phy
.supported
.lbt
))
1239 return rdev_set_lbt_mode(rdev
, wpan_dev
, mode
);
1243 nl802154_set_ackreq_default(struct sk_buff
*skb
, struct genl_info
*info
)
1245 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1246 struct net_device
*dev
= info
->user_ptr
[1];
1247 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1250 if (netif_running(dev
))
1253 if (!info
->attrs
[NL802154_ATTR_ACKREQ_DEFAULT
])
1256 ackreq
= nla_get_u8(info
->attrs
[NL802154_ATTR_ACKREQ_DEFAULT
]);
1258 if (ackreq
!= 0 && ackreq
!= 1)
1261 return rdev_set_ackreq_default(rdev
, wpan_dev
, ackreq
);
1264 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
1265 static const struct nla_policy nl802154_dev_addr_policy
[NL802154_DEV_ADDR_ATTR_MAX
+ 1] = {
1266 [NL802154_DEV_ADDR_ATTR_PAN_ID
] = { .type
= NLA_U16
},
1267 [NL802154_DEV_ADDR_ATTR_MODE
] = { .type
= NLA_U32
},
1268 [NL802154_DEV_ADDR_ATTR_SHORT
] = { .type
= NLA_U16
},
1269 [NL802154_DEV_ADDR_ATTR_EXTENDED
] = { .type
= NLA_U64
},
1273 ieee802154_llsec_parse_dev_addr(struct nlattr
*nla
,
1274 struct ieee802154_addr
*addr
)
1276 struct nlattr
*attrs
[NL802154_DEV_ADDR_ATTR_MAX
+ 1];
1278 if (!nla
|| nla_parse_nested(attrs
, NL802154_DEV_ADDR_ATTR_MAX
, nla
,
1279 nl802154_dev_addr_policy
))
1282 if (!attrs
[NL802154_DEV_ADDR_ATTR_PAN_ID
] &&
1283 !attrs
[NL802154_DEV_ADDR_ATTR_MODE
] &&
1284 !(attrs
[NL802154_DEV_ADDR_ATTR_SHORT
] ||
1285 attrs
[NL802154_DEV_ADDR_ATTR_EXTENDED
]))
1288 addr
->pan_id
= nla_get_le16(attrs
[NL802154_DEV_ADDR_ATTR_PAN_ID
]);
1289 addr
->mode
= nla_get_u32(attrs
[NL802154_DEV_ADDR_ATTR_MODE
]);
1290 switch (addr
->mode
) {
1291 case NL802154_DEV_ADDR_SHORT
:
1292 addr
->short_addr
= nla_get_le16(attrs
[NL802154_DEV_ADDR_ATTR_SHORT
]);
1294 case NL802154_DEV_ADDR_EXTENDED
:
1295 addr
->extended_addr
= nla_get_le64(attrs
[NL802154_DEV_ADDR_ATTR_EXTENDED
]);
1304 static const struct nla_policy nl802154_key_id_policy
[NL802154_KEY_ID_ATTR_MAX
+ 1] = {
1305 [NL802154_KEY_ID_ATTR_MODE
] = { .type
= NLA_U32
},
1306 [NL802154_KEY_ID_ATTR_INDEX
] = { .type
= NLA_U8
},
1307 [NL802154_KEY_ID_ATTR_IMPLICIT
] = { .type
= NLA_NESTED
},
1308 [NL802154_KEY_ID_ATTR_SOURCE_SHORT
] = { .type
= NLA_U32
},
1309 [NL802154_KEY_ID_ATTR_SOURCE_EXTENDED
] = { .type
= NLA_U64
},
1313 ieee802154_llsec_parse_key_id(struct nlattr
*nla
,
1314 struct ieee802154_llsec_key_id
*desc
)
1316 struct nlattr
*attrs
[NL802154_KEY_ID_ATTR_MAX
+ 1];
1318 if (!nla
|| nla_parse_nested(attrs
, NL802154_KEY_ID_ATTR_MAX
, nla
,
1319 nl802154_key_id_policy
))
1322 if (!attrs
[NL802154_KEY_ID_ATTR_MODE
])
1325 desc
->mode
= nla_get_u32(attrs
[NL802154_KEY_ID_ATTR_MODE
]);
1326 switch (desc
->mode
) {
1327 case NL802154_KEY_ID_MODE_IMPLICIT
:
1328 if (!attrs
[NL802154_KEY_ID_ATTR_IMPLICIT
])
1331 if (ieee802154_llsec_parse_dev_addr(attrs
[NL802154_KEY_ID_ATTR_IMPLICIT
],
1332 &desc
->device_addr
) < 0)
1335 case NL802154_KEY_ID_MODE_INDEX
:
1337 case NL802154_KEY_ID_MODE_INDEX_SHORT
:
1338 if (!attrs
[NL802154_KEY_ID_ATTR_SOURCE_SHORT
])
1341 desc
->short_source
= nla_get_le32(attrs
[NL802154_KEY_ID_ATTR_SOURCE_SHORT
]);
1343 case NL802154_KEY_ID_MODE_INDEX_EXTENDED
:
1344 if (!attrs
[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED
])
1347 desc
->extended_source
= nla_get_le64(attrs
[NL802154_KEY_ID_ATTR_SOURCE_EXTENDED
]);
1353 if (desc
->mode
!= NL802154_KEY_ID_MODE_IMPLICIT
) {
1354 if (!attrs
[NL802154_KEY_ID_ATTR_INDEX
])
1357 /* TODO change id to idx */
1358 desc
->id
= nla_get_u8(attrs
[NL802154_KEY_ID_ATTR_INDEX
]);
1364 static int nl802154_set_llsec_params(struct sk_buff
*skb
,
1365 struct genl_info
*info
)
1367 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1368 struct net_device
*dev
= info
->user_ptr
[1];
1369 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1370 struct ieee802154_llsec_params params
;
1374 if (info
->attrs
[NL802154_ATTR_SEC_ENABLED
]) {
1377 enabled
= nla_get_u8(info
->attrs
[NL802154_ATTR_SEC_ENABLED
]);
1378 if (enabled
!= 0 && enabled
!= 1)
1381 params
.enabled
= nla_get_u8(info
->attrs
[NL802154_ATTR_SEC_ENABLED
]);
1382 changed
|= IEEE802154_LLSEC_PARAM_ENABLED
;
1385 if (info
->attrs
[NL802154_ATTR_SEC_OUT_KEY_ID
]) {
1386 ret
= ieee802154_llsec_parse_key_id(info
->attrs
[NL802154_ATTR_SEC_OUT_KEY_ID
],
1391 changed
|= IEEE802154_LLSEC_PARAM_OUT_KEY
;
1394 if (info
->attrs
[NL802154_ATTR_SEC_OUT_LEVEL
]) {
1395 params
.out_level
= nla_get_u32(info
->attrs
[NL802154_ATTR_SEC_OUT_LEVEL
]);
1396 if (params
.out_level
> NL802154_SECLEVEL_MAX
)
1399 changed
|= IEEE802154_LLSEC_PARAM_OUT_LEVEL
;
1402 if (info
->attrs
[NL802154_ATTR_SEC_FRAME_COUNTER
]) {
1403 params
.frame_counter
= nla_get_be32(info
->attrs
[NL802154_ATTR_SEC_FRAME_COUNTER
]);
1404 changed
|= IEEE802154_LLSEC_PARAM_FRAME_COUNTER
;
1407 return rdev_set_llsec_params(rdev
, wpan_dev
, ¶ms
, changed
);
1410 static int nl802154_send_key(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
1412 struct cfg802154_registered_device
*rdev
,
1413 struct net_device
*dev
,
1414 const struct ieee802154_llsec_key_entry
*key
)
1417 u32 commands
[NL802154_CMD_FRAME_NR_IDS
/ 32];
1418 struct nlattr
*nl_key
, *nl_key_id
;
1420 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
1424 if (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
))
1425 goto nla_put_failure
;
1427 nl_key
= nla_nest_start(msg
, NL802154_ATTR_SEC_KEY
);
1429 goto nla_put_failure
;
1431 nl_key_id
= nla_nest_start(msg
, NL802154_KEY_ATTR_ID
);
1433 goto nla_put_failure
;
1435 if (ieee802154_llsec_send_key_id(msg
, &key
->id
) < 0)
1436 goto nla_put_failure
;
1438 nla_nest_end(msg
, nl_key_id
);
1440 if (nla_put_u8(msg
, NL802154_KEY_ATTR_USAGE_FRAMES
,
1441 key
->key
->frame_types
))
1442 goto nla_put_failure
;
1444 if (key
->key
->frame_types
& BIT(NL802154_FRAME_CMD
)) {
1445 /* TODO for each nested */
1446 memset(commands
, 0, sizeof(commands
));
1447 commands
[7] = key
->key
->cmd_frame_ids
;
1448 if (nla_put(msg
, NL802154_KEY_ATTR_USAGE_CMDS
,
1449 sizeof(commands
), commands
))
1450 goto nla_put_failure
;
1453 if (nla_put(msg
, NL802154_KEY_ATTR_BYTES
, NL802154_KEY_SIZE
,
1455 goto nla_put_failure
;
1457 nla_nest_end(msg
, nl_key
);
1458 genlmsg_end(msg
, hdr
);
1463 genlmsg_cancel(msg
, hdr
);
1468 nl802154_dump_llsec_key(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1470 struct cfg802154_registered_device
*rdev
= NULL
;
1471 struct ieee802154_llsec_key_entry
*key
;
1472 struct ieee802154_llsec_table
*table
;
1473 struct wpan_dev
*wpan_dev
;
1476 err
= nl802154_prepare_wpan_dev_dump(skb
, cb
, &rdev
, &wpan_dev
);
1480 if (!wpan_dev
->netdev
) {
1485 rdev_lock_llsec_table(rdev
, wpan_dev
);
1486 rdev_get_llsec_table(rdev
, wpan_dev
, &table
);
1488 /* TODO make it like station dump */
1492 list_for_each_entry(key
, &table
->keys
, list
) {
1493 if (nl802154_send_key(skb
, NL802154_CMD_NEW_SEC_KEY
,
1494 NETLINK_CB(cb
->skb
).portid
,
1495 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1496 rdev
, wpan_dev
->netdev
, key
) < 0) {
1499 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1507 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1510 nl802154_finish_wpan_dev_dump(rdev
);
1515 static const struct nla_policy nl802154_key_policy
[NL802154_KEY_ATTR_MAX
+ 1] = {
1516 [NL802154_KEY_ATTR_ID
] = { NLA_NESTED
},
1517 /* TODO handle it as for_each_nested and NLA_FLAG? */
1518 [NL802154_KEY_ATTR_USAGE_FRAMES
] = { NLA_U8
},
1519 /* TODO handle it as for_each_nested, not static array? */
1520 [NL802154_KEY_ATTR_USAGE_CMDS
] = { .len
= NL802154_CMD_FRAME_NR_IDS
/ 8 },
1521 [NL802154_KEY_ATTR_BYTES
] = { .len
= NL802154_KEY_SIZE
},
1524 static int nl802154_add_llsec_key(struct sk_buff
*skb
, struct genl_info
*info
)
1526 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1527 struct net_device
*dev
= info
->user_ptr
[1];
1528 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1529 struct nlattr
*attrs
[NL802154_KEY_ATTR_MAX
+ 1];
1530 struct ieee802154_llsec_key key
= { };
1531 struct ieee802154_llsec_key_id id
= { };
1532 u32 commands
[NL802154_CMD_FRAME_NR_IDS
/ 32] = { };
1534 if (nla_parse_nested(attrs
, NL802154_KEY_ATTR_MAX
,
1535 info
->attrs
[NL802154_ATTR_SEC_KEY
],
1536 nl802154_key_policy
))
1539 if (!attrs
[NL802154_KEY_ATTR_USAGE_FRAMES
] ||
1540 !attrs
[NL802154_KEY_ATTR_BYTES
])
1543 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_KEY_ATTR_ID
], &id
) < 0)
1546 key
.frame_types
= nla_get_u8(attrs
[NL802154_KEY_ATTR_USAGE_FRAMES
]);
1547 if (key
.frame_types
> BIT(NL802154_FRAME_MAX
) ||
1548 ((key
.frame_types
& BIT(NL802154_FRAME_CMD
)) &&
1549 !attrs
[NL802154_KEY_ATTR_USAGE_CMDS
]))
1552 if (attrs
[NL802154_KEY_ATTR_USAGE_CMDS
]) {
1553 /* TODO for each nested */
1554 nla_memcpy(commands
, attrs
[NL802154_KEY_ATTR_USAGE_CMDS
],
1555 NL802154_CMD_FRAME_NR_IDS
/ 8);
1557 /* TODO understand the -EINVAL logic here? last condition */
1558 if (commands
[0] || commands
[1] || commands
[2] || commands
[3] ||
1559 commands
[4] || commands
[5] || commands
[6] ||
1560 commands
[7] > BIT(NL802154_CMD_FRAME_MAX
))
1563 key
.cmd_frame_ids
= commands
[7];
1565 key
.cmd_frame_ids
= 0;
1568 nla_memcpy(key
.key
, attrs
[NL802154_KEY_ATTR_BYTES
], NL802154_KEY_SIZE
);
1570 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_KEY_ATTR_ID
], &id
) < 0)
1573 return rdev_add_llsec_key(rdev
, wpan_dev
, &id
, &key
);
1576 static int nl802154_del_llsec_key(struct sk_buff
*skb
, struct genl_info
*info
)
1578 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1579 struct net_device
*dev
= info
->user_ptr
[1];
1580 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1581 struct nlattr
*attrs
[NL802154_KEY_ATTR_MAX
+ 1];
1582 struct ieee802154_llsec_key_id id
;
1584 if (nla_parse_nested(attrs
, NL802154_KEY_ATTR_MAX
,
1585 info
->attrs
[NL802154_ATTR_SEC_KEY
],
1586 nl802154_key_policy
))
1589 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_KEY_ATTR_ID
], &id
) < 0)
1592 return rdev_del_llsec_key(rdev
, wpan_dev
, &id
);
1595 static int nl802154_send_device(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
1597 struct cfg802154_registered_device
*rdev
,
1598 struct net_device
*dev
,
1599 const struct ieee802154_llsec_device
*dev_desc
)
1602 struct nlattr
*nl_device
;
1604 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
1608 if (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
))
1609 goto nla_put_failure
;
1611 nl_device
= nla_nest_start(msg
, NL802154_ATTR_SEC_DEVICE
);
1613 goto nla_put_failure
;
1615 if (nla_put_u32(msg
, NL802154_DEV_ATTR_FRAME_COUNTER
,
1616 dev_desc
->frame_counter
) ||
1617 nla_put_le16(msg
, NL802154_DEV_ATTR_PAN_ID
, dev_desc
->pan_id
) ||
1618 nla_put_le16(msg
, NL802154_DEV_ATTR_SHORT_ADDR
,
1619 dev_desc
->short_addr
) ||
1620 nla_put_le64(msg
, NL802154_DEV_ATTR_EXTENDED_ADDR
,
1621 dev_desc
->hwaddr
, NL802154_DEV_ATTR_PAD
) ||
1622 nla_put_u8(msg
, NL802154_DEV_ATTR_SECLEVEL_EXEMPT
,
1623 dev_desc
->seclevel_exempt
) ||
1624 nla_put_u32(msg
, NL802154_DEV_ATTR_KEY_MODE
, dev_desc
->key_mode
))
1625 goto nla_put_failure
;
1627 nla_nest_end(msg
, nl_device
);
1628 genlmsg_end(msg
, hdr
);
1633 genlmsg_cancel(msg
, hdr
);
1638 nl802154_dump_llsec_dev(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1640 struct cfg802154_registered_device
*rdev
= NULL
;
1641 struct ieee802154_llsec_device
*dev
;
1642 struct ieee802154_llsec_table
*table
;
1643 struct wpan_dev
*wpan_dev
;
1646 err
= nl802154_prepare_wpan_dev_dump(skb
, cb
, &rdev
, &wpan_dev
);
1650 if (!wpan_dev
->netdev
) {
1655 rdev_lock_llsec_table(rdev
, wpan_dev
);
1656 rdev_get_llsec_table(rdev
, wpan_dev
, &table
);
1658 /* TODO make it like station dump */
1662 list_for_each_entry(dev
, &table
->devices
, list
) {
1663 if (nl802154_send_device(skb
, NL802154_CMD_NEW_SEC_LEVEL
,
1664 NETLINK_CB(cb
->skb
).portid
,
1665 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1666 rdev
, wpan_dev
->netdev
, dev
) < 0) {
1669 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1677 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1680 nl802154_finish_wpan_dev_dump(rdev
);
1685 static const struct nla_policy nl802154_dev_policy
[NL802154_DEV_ATTR_MAX
+ 1] = {
1686 [NL802154_DEV_ATTR_FRAME_COUNTER
] = { NLA_U32
},
1687 [NL802154_DEV_ATTR_PAN_ID
] = { .type
= NLA_U16
},
1688 [NL802154_DEV_ATTR_SHORT_ADDR
] = { .type
= NLA_U16
},
1689 [NL802154_DEV_ATTR_EXTENDED_ADDR
] = { .type
= NLA_U64
},
1690 [NL802154_DEV_ATTR_SECLEVEL_EXEMPT
] = { NLA_U8
},
1691 [NL802154_DEV_ATTR_KEY_MODE
] = { NLA_U32
},
1695 ieee802154_llsec_parse_device(struct nlattr
*nla
,
1696 struct ieee802154_llsec_device
*dev
)
1698 struct nlattr
*attrs
[NL802154_DEV_ATTR_MAX
+ 1];
1700 if (!nla
|| nla_parse_nested(attrs
, NL802154_DEV_ATTR_MAX
, nla
,
1701 nl802154_dev_policy
))
1704 memset(dev
, 0, sizeof(*dev
));
1706 if (!attrs
[NL802154_DEV_ATTR_FRAME_COUNTER
] ||
1707 !attrs
[NL802154_DEV_ATTR_PAN_ID
] ||
1708 !attrs
[NL802154_DEV_ATTR_SHORT_ADDR
] ||
1709 !attrs
[NL802154_DEV_ATTR_EXTENDED_ADDR
] ||
1710 !attrs
[NL802154_DEV_ATTR_SECLEVEL_EXEMPT
] ||
1711 !attrs
[NL802154_DEV_ATTR_KEY_MODE
])
1715 dev
->frame_counter
= nla_get_u32(attrs
[NL802154_DEV_ATTR_FRAME_COUNTER
]);
1716 dev
->pan_id
= nla_get_le16(attrs
[NL802154_DEV_ATTR_PAN_ID
]);
1717 dev
->short_addr
= nla_get_le16(attrs
[NL802154_DEV_ATTR_SHORT_ADDR
]);
1718 /* TODO rename hwaddr to extended_addr */
1719 dev
->hwaddr
= nla_get_le64(attrs
[NL802154_DEV_ATTR_EXTENDED_ADDR
]);
1720 dev
->seclevel_exempt
= nla_get_u8(attrs
[NL802154_DEV_ATTR_SECLEVEL_EXEMPT
]);
1721 dev
->key_mode
= nla_get_u32(attrs
[NL802154_DEV_ATTR_KEY_MODE
]);
1723 if (dev
->key_mode
> NL802154_DEVKEY_MAX
||
1724 (dev
->seclevel_exempt
!= 0 && dev
->seclevel_exempt
!= 1))
1730 static int nl802154_add_llsec_dev(struct sk_buff
*skb
, struct genl_info
*info
)
1732 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1733 struct net_device
*dev
= info
->user_ptr
[1];
1734 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1735 struct ieee802154_llsec_device dev_desc
;
1737 if (ieee802154_llsec_parse_device(info
->attrs
[NL802154_ATTR_SEC_DEVICE
],
1741 return rdev_add_device(rdev
, wpan_dev
, &dev_desc
);
1744 static int nl802154_del_llsec_dev(struct sk_buff
*skb
, struct genl_info
*info
)
1746 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1747 struct net_device
*dev
= info
->user_ptr
[1];
1748 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1749 struct nlattr
*attrs
[NL802154_DEV_ATTR_MAX
+ 1];
1750 __le64 extended_addr
;
1752 if (nla_parse_nested(attrs
, NL802154_DEV_ATTR_MAX
,
1753 info
->attrs
[NL802154_ATTR_SEC_DEVICE
],
1754 nl802154_dev_policy
))
1757 if (!attrs
[NL802154_DEV_ATTR_EXTENDED_ADDR
])
1760 extended_addr
= nla_get_le64(attrs
[NL802154_DEV_ATTR_EXTENDED_ADDR
]);
1761 return rdev_del_device(rdev
, wpan_dev
, extended_addr
);
1764 static int nl802154_send_devkey(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
1766 struct cfg802154_registered_device
*rdev
,
1767 struct net_device
*dev
, __le64 extended_addr
,
1768 const struct ieee802154_llsec_device_key
*devkey
)
1771 struct nlattr
*nl_devkey
, *nl_key_id
;
1773 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
1777 if (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
))
1778 goto nla_put_failure
;
1780 nl_devkey
= nla_nest_start(msg
, NL802154_ATTR_SEC_DEVKEY
);
1782 goto nla_put_failure
;
1784 if (nla_put_le64(msg
, NL802154_DEVKEY_ATTR_EXTENDED_ADDR
,
1785 extended_addr
, NL802154_DEVKEY_ATTR_PAD
) ||
1786 nla_put_u32(msg
, NL802154_DEVKEY_ATTR_FRAME_COUNTER
,
1787 devkey
->frame_counter
))
1788 goto nla_put_failure
;
1790 nl_key_id
= nla_nest_start(msg
, NL802154_DEVKEY_ATTR_ID
);
1792 goto nla_put_failure
;
1794 if (ieee802154_llsec_send_key_id(msg
, &devkey
->key_id
) < 0)
1795 goto nla_put_failure
;
1797 nla_nest_end(msg
, nl_key_id
);
1798 nla_nest_end(msg
, nl_devkey
);
1799 genlmsg_end(msg
, hdr
);
1804 genlmsg_cancel(msg
, hdr
);
1809 nl802154_dump_llsec_devkey(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1811 struct cfg802154_registered_device
*rdev
= NULL
;
1812 struct ieee802154_llsec_device_key
*kpos
;
1813 struct ieee802154_llsec_device
*dpos
;
1814 struct ieee802154_llsec_table
*table
;
1815 struct wpan_dev
*wpan_dev
;
1818 err
= nl802154_prepare_wpan_dev_dump(skb
, cb
, &rdev
, &wpan_dev
);
1822 if (!wpan_dev
->netdev
) {
1827 rdev_lock_llsec_table(rdev
, wpan_dev
);
1828 rdev_get_llsec_table(rdev
, wpan_dev
, &table
);
1830 /* TODO make it like station dump */
1834 /* TODO look if remove devkey and do some nested attribute */
1835 list_for_each_entry(dpos
, &table
->devices
, list
) {
1836 list_for_each_entry(kpos
, &dpos
->keys
, list
) {
1837 if (nl802154_send_devkey(skb
,
1838 NL802154_CMD_NEW_SEC_LEVEL
,
1839 NETLINK_CB(cb
->skb
).portid
,
1847 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1856 rdev_unlock_llsec_table(rdev
, wpan_dev
);
1859 nl802154_finish_wpan_dev_dump(rdev
);
1864 static const struct nla_policy nl802154_devkey_policy
[NL802154_DEVKEY_ATTR_MAX
+ 1] = {
1865 [NL802154_DEVKEY_ATTR_FRAME_COUNTER
] = { NLA_U32
},
1866 [NL802154_DEVKEY_ATTR_EXTENDED_ADDR
] = { NLA_U64
},
1867 [NL802154_DEVKEY_ATTR_ID
] = { NLA_NESTED
},
1870 static int nl802154_add_llsec_devkey(struct sk_buff
*skb
, struct genl_info
*info
)
1872 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1873 struct net_device
*dev
= info
->user_ptr
[1];
1874 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1875 struct nlattr
*attrs
[NL802154_DEVKEY_ATTR_MAX
+ 1];
1876 struct ieee802154_llsec_device_key key
;
1877 __le64 extended_addr
;
1879 if (!info
->attrs
[NL802154_ATTR_SEC_DEVKEY
] ||
1880 nla_parse_nested(attrs
, NL802154_DEVKEY_ATTR_MAX
,
1881 info
->attrs
[NL802154_ATTR_SEC_DEVKEY
],
1882 nl802154_devkey_policy
) < 0)
1885 if (!attrs
[NL802154_DEVKEY_ATTR_FRAME_COUNTER
] ||
1886 !attrs
[NL802154_DEVKEY_ATTR_EXTENDED_ADDR
])
1889 /* TODO change key.id ? */
1890 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_DEVKEY_ATTR_ID
],
1895 key
.frame_counter
= nla_get_u32(attrs
[NL802154_DEVKEY_ATTR_FRAME_COUNTER
]);
1896 /* TODO change naming hwaddr -> extended_addr
1897 * check unique identifier short+pan OR extended_addr
1899 extended_addr
= nla_get_le64(attrs
[NL802154_DEVKEY_ATTR_EXTENDED_ADDR
]);
1900 return rdev_add_devkey(rdev
, wpan_dev
, extended_addr
, &key
);
1903 static int nl802154_del_llsec_devkey(struct sk_buff
*skb
, struct genl_info
*info
)
1905 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
1906 struct net_device
*dev
= info
->user_ptr
[1];
1907 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
1908 struct nlattr
*attrs
[NL802154_DEVKEY_ATTR_MAX
+ 1];
1909 struct ieee802154_llsec_device_key key
;
1910 __le64 extended_addr
;
1912 if (nla_parse_nested(attrs
, NL802154_DEVKEY_ATTR_MAX
,
1913 info
->attrs
[NL802154_ATTR_SEC_DEVKEY
],
1914 nl802154_devkey_policy
))
1917 if (!attrs
[NL802154_DEVKEY_ATTR_EXTENDED_ADDR
])
1920 /* TODO change key.id ? */
1921 if (ieee802154_llsec_parse_key_id(attrs
[NL802154_DEVKEY_ATTR_ID
],
1925 /* TODO change naming hwaddr -> extended_addr
1926 * check unique identifier short+pan OR extended_addr
1928 extended_addr
= nla_get_le64(attrs
[NL802154_DEVKEY_ATTR_EXTENDED_ADDR
]);
1929 return rdev_del_devkey(rdev
, wpan_dev
, extended_addr
, &key
);
1932 static int nl802154_send_seclevel(struct sk_buff
*msg
, u32 cmd
, u32 portid
,
1934 struct cfg802154_registered_device
*rdev
,
1935 struct net_device
*dev
,
1936 const struct ieee802154_llsec_seclevel
*sl
)
1939 struct nlattr
*nl_seclevel
;
1941 hdr
= nl802154hdr_put(msg
, portid
, seq
, flags
, cmd
);
1945 if (nla_put_u32(msg
, NL802154_ATTR_IFINDEX
, dev
->ifindex
))
1946 goto nla_put_failure
;
1948 nl_seclevel
= nla_nest_start(msg
, NL802154_ATTR_SEC_LEVEL
);
1950 goto nla_put_failure
;
1952 if (nla_put_u32(msg
, NL802154_SECLEVEL_ATTR_FRAME
, sl
->frame_type
) ||
1953 nla_put_u32(msg
, NL802154_SECLEVEL_ATTR_LEVELS
, sl
->sec_levels
) ||
1954 nla_put_u8(msg
, NL802154_SECLEVEL_ATTR_DEV_OVERRIDE
,
1955 sl
->device_override
))
1956 goto nla_put_failure
;
1958 if (sl
->frame_type
== NL802154_FRAME_CMD
) {
1959 if (nla_put_u32(msg
, NL802154_SECLEVEL_ATTR_CMD_FRAME
,
1961 goto nla_put_failure
;
1964 nla_nest_end(msg
, nl_seclevel
);
1965 genlmsg_end(msg
, hdr
);
1970 genlmsg_cancel(msg
, hdr
);
1975 nl802154_dump_llsec_seclevel(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1977 struct cfg802154_registered_device
*rdev
= NULL
;
1978 struct ieee802154_llsec_seclevel
*sl
;
1979 struct ieee802154_llsec_table
*table
;
1980 struct wpan_dev
*wpan_dev
;
1983 err
= nl802154_prepare_wpan_dev_dump(skb
, cb
, &rdev
, &wpan_dev
);
1987 if (!wpan_dev
->netdev
) {
1992 rdev_lock_llsec_table(rdev
, wpan_dev
);
1993 rdev_get_llsec_table(rdev
, wpan_dev
, &table
);
1995 /* TODO make it like station dump */
1999 list_for_each_entry(sl
, &table
->security_levels
, list
) {
2000 if (nl802154_send_seclevel(skb
, NL802154_CMD_NEW_SEC_LEVEL
,
2001 NETLINK_CB(cb
->skb
).portid
,
2002 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2003 rdev
, wpan_dev
->netdev
, sl
) < 0) {
2006 rdev_unlock_llsec_table(rdev
, wpan_dev
);
2014 rdev_unlock_llsec_table(rdev
, wpan_dev
);
2017 nl802154_finish_wpan_dev_dump(rdev
);
2022 static const struct nla_policy nl802154_seclevel_policy
[NL802154_SECLEVEL_ATTR_MAX
+ 1] = {
2023 [NL802154_SECLEVEL_ATTR_LEVELS
] = { .type
= NLA_U8
},
2024 [NL802154_SECLEVEL_ATTR_FRAME
] = { .type
= NLA_U32
},
2025 [NL802154_SECLEVEL_ATTR_CMD_FRAME
] = { .type
= NLA_U32
},
2026 [NL802154_SECLEVEL_ATTR_DEV_OVERRIDE
] = { .type
= NLA_U8
},
2030 llsec_parse_seclevel(struct nlattr
*nla
, struct ieee802154_llsec_seclevel
*sl
)
2032 struct nlattr
*attrs
[NL802154_SECLEVEL_ATTR_MAX
+ 1];
2034 if (!nla
|| nla_parse_nested(attrs
, NL802154_SECLEVEL_ATTR_MAX
, nla
,
2035 nl802154_seclevel_policy
))
2038 memset(sl
, 0, sizeof(*sl
));
2040 if (!attrs
[NL802154_SECLEVEL_ATTR_LEVELS
] ||
2041 !attrs
[NL802154_SECLEVEL_ATTR_FRAME
] ||
2042 !attrs
[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE
])
2045 sl
->sec_levels
= nla_get_u8(attrs
[NL802154_SECLEVEL_ATTR_LEVELS
]);
2046 sl
->frame_type
= nla_get_u32(attrs
[NL802154_SECLEVEL_ATTR_FRAME
]);
2047 sl
->device_override
= nla_get_u8(attrs
[NL802154_SECLEVEL_ATTR_DEV_OVERRIDE
]);
2048 if (sl
->frame_type
> NL802154_FRAME_MAX
||
2049 (sl
->device_override
!= 0 && sl
->device_override
!= 1))
2052 if (sl
->frame_type
== NL802154_FRAME_CMD
) {
2053 if (!attrs
[NL802154_SECLEVEL_ATTR_CMD_FRAME
])
2056 sl
->cmd_frame_id
= nla_get_u32(attrs
[NL802154_SECLEVEL_ATTR_CMD_FRAME
]);
2057 if (sl
->cmd_frame_id
> NL802154_CMD_FRAME_MAX
)
2064 static int nl802154_add_llsec_seclevel(struct sk_buff
*skb
,
2065 struct genl_info
*info
)
2067 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
2068 struct net_device
*dev
= info
->user_ptr
[1];
2069 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
2070 struct ieee802154_llsec_seclevel sl
;
2072 if (llsec_parse_seclevel(info
->attrs
[NL802154_ATTR_SEC_LEVEL
],
2076 return rdev_add_seclevel(rdev
, wpan_dev
, &sl
);
2079 static int nl802154_del_llsec_seclevel(struct sk_buff
*skb
,
2080 struct genl_info
*info
)
2082 struct cfg802154_registered_device
*rdev
= info
->user_ptr
[0];
2083 struct net_device
*dev
= info
->user_ptr
[1];
2084 struct wpan_dev
*wpan_dev
= dev
->ieee802154_ptr
;
2085 struct ieee802154_llsec_seclevel sl
;
2087 if (!info
->attrs
[NL802154_ATTR_SEC_LEVEL
] ||
2088 llsec_parse_seclevel(info
->attrs
[NL802154_ATTR_SEC_LEVEL
],
2092 return rdev_del_seclevel(rdev
, wpan_dev
, &sl
);
2094 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
2096 #define NL802154_FLAG_NEED_WPAN_PHY 0x01
2097 #define NL802154_FLAG_NEED_NETDEV 0x02
2098 #define NL802154_FLAG_NEED_RTNL 0x04
2099 #define NL802154_FLAG_CHECK_NETDEV_UP 0x08
2100 #define NL802154_FLAG_NEED_NETDEV_UP (NL802154_FLAG_NEED_NETDEV |\
2101 NL802154_FLAG_CHECK_NETDEV_UP)
2102 #define NL802154_FLAG_NEED_WPAN_DEV 0x10
2103 #define NL802154_FLAG_NEED_WPAN_DEV_UP (NL802154_FLAG_NEED_WPAN_DEV |\
2104 NL802154_FLAG_CHECK_NETDEV_UP)
2106 static int nl802154_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
2107 struct genl_info
*info
)
2109 struct cfg802154_registered_device
*rdev
;
2110 struct wpan_dev
*wpan_dev
;
2111 struct net_device
*dev
;
2112 bool rtnl
= ops
->internal_flags
& NL802154_FLAG_NEED_RTNL
;
2117 if (ops
->internal_flags
& NL802154_FLAG_NEED_WPAN_PHY
) {
2118 rdev
= cfg802154_get_dev_from_info(genl_info_net(info
), info
);
2122 return PTR_ERR(rdev
);
2124 info
->user_ptr
[0] = rdev
;
2125 } else if (ops
->internal_flags
& NL802154_FLAG_NEED_NETDEV
||
2126 ops
->internal_flags
& NL802154_FLAG_NEED_WPAN_DEV
) {
2128 wpan_dev
= __cfg802154_wpan_dev_from_attrs(genl_info_net(info
),
2130 if (IS_ERR(wpan_dev
)) {
2133 return PTR_ERR(wpan_dev
);
2136 dev
= wpan_dev
->netdev
;
2137 rdev
= wpan_phy_to_rdev(wpan_dev
->wpan_phy
);
2139 if (ops
->internal_flags
& NL802154_FLAG_NEED_NETDEV
) {
2146 info
->user_ptr
[1] = dev
;
2148 info
->user_ptr
[1] = wpan_dev
;
2152 if (ops
->internal_flags
& NL802154_FLAG_CHECK_NETDEV_UP
&&
2153 !netif_running(dev
)) {
2162 info
->user_ptr
[0] = rdev
;
2168 static void nl802154_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
2169 struct genl_info
*info
)
2171 if (info
->user_ptr
[1]) {
2172 if (ops
->internal_flags
& NL802154_FLAG_NEED_WPAN_DEV
) {
2173 struct wpan_dev
*wpan_dev
= info
->user_ptr
[1];
2175 if (wpan_dev
->netdev
)
2176 dev_put(wpan_dev
->netdev
);
2178 dev_put(info
->user_ptr
[1]);
2182 if (ops
->internal_flags
& NL802154_FLAG_NEED_RTNL
)
2186 static const struct genl_ops nl802154_ops
[] = {
2188 .cmd
= NL802154_CMD_GET_WPAN_PHY
,
2189 .doit
= nl802154_get_wpan_phy
,
2190 .dumpit
= nl802154_dump_wpan_phy
,
2191 .done
= nl802154_dump_wpan_phy_done
,
2192 .policy
= nl802154_policy
,
2193 /* can be retrieved by unprivileged users */
2194 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2195 NL802154_FLAG_NEED_RTNL
,
2198 .cmd
= NL802154_CMD_GET_INTERFACE
,
2199 .doit
= nl802154_get_interface
,
2200 .dumpit
= nl802154_dump_interface
,
2201 .policy
= nl802154_policy
,
2202 /* can be retrieved by unprivileged users */
2203 .internal_flags
= NL802154_FLAG_NEED_WPAN_DEV
|
2204 NL802154_FLAG_NEED_RTNL
,
2207 .cmd
= NL802154_CMD_NEW_INTERFACE
,
2208 .doit
= nl802154_new_interface
,
2209 .policy
= nl802154_policy
,
2210 .flags
= GENL_ADMIN_PERM
,
2211 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2212 NL802154_FLAG_NEED_RTNL
,
2215 .cmd
= NL802154_CMD_DEL_INTERFACE
,
2216 .doit
= nl802154_del_interface
,
2217 .policy
= nl802154_policy
,
2218 .flags
= GENL_ADMIN_PERM
,
2219 .internal_flags
= NL802154_FLAG_NEED_WPAN_DEV
|
2220 NL802154_FLAG_NEED_RTNL
,
2223 .cmd
= NL802154_CMD_SET_CHANNEL
,
2224 .doit
= nl802154_set_channel
,
2225 .policy
= nl802154_policy
,
2226 .flags
= GENL_ADMIN_PERM
,
2227 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2228 NL802154_FLAG_NEED_RTNL
,
2231 .cmd
= NL802154_CMD_SET_CCA_MODE
,
2232 .doit
= nl802154_set_cca_mode
,
2233 .policy
= nl802154_policy
,
2234 .flags
= GENL_ADMIN_PERM
,
2235 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2236 NL802154_FLAG_NEED_RTNL
,
2239 .cmd
= NL802154_CMD_SET_CCA_ED_LEVEL
,
2240 .doit
= nl802154_set_cca_ed_level
,
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_SET_TX_POWER
,
2248 .doit
= nl802154_set_tx_power
,
2249 .policy
= nl802154_policy
,
2250 .flags
= GENL_ADMIN_PERM
,
2251 .internal_flags
= NL802154_FLAG_NEED_WPAN_PHY
|
2252 NL802154_FLAG_NEED_RTNL
,
2255 .cmd
= NL802154_CMD_SET_PAN_ID
,
2256 .doit
= nl802154_set_pan_id
,
2257 .policy
= nl802154_policy
,
2258 .flags
= GENL_ADMIN_PERM
,
2259 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2260 NL802154_FLAG_NEED_RTNL
,
2263 .cmd
= NL802154_CMD_SET_SHORT_ADDR
,
2264 .doit
= nl802154_set_short_addr
,
2265 .policy
= nl802154_policy
,
2266 .flags
= GENL_ADMIN_PERM
,
2267 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2268 NL802154_FLAG_NEED_RTNL
,
2271 .cmd
= NL802154_CMD_SET_BACKOFF_EXPONENT
,
2272 .doit
= nl802154_set_backoff_exponent
,
2273 .policy
= nl802154_policy
,
2274 .flags
= GENL_ADMIN_PERM
,
2275 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2276 NL802154_FLAG_NEED_RTNL
,
2279 .cmd
= NL802154_CMD_SET_MAX_CSMA_BACKOFFS
,
2280 .doit
= nl802154_set_max_csma_backoffs
,
2281 .policy
= nl802154_policy
,
2282 .flags
= GENL_ADMIN_PERM
,
2283 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2284 NL802154_FLAG_NEED_RTNL
,
2287 .cmd
= NL802154_CMD_SET_MAX_FRAME_RETRIES
,
2288 .doit
= nl802154_set_max_frame_retries
,
2289 .policy
= nl802154_policy
,
2290 .flags
= GENL_ADMIN_PERM
,
2291 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2292 NL802154_FLAG_NEED_RTNL
,
2295 .cmd
= NL802154_CMD_SET_LBT_MODE
,
2296 .doit
= nl802154_set_lbt_mode
,
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_ACKREQ_DEFAULT
,
2304 .doit
= nl802154_set_ackreq_default
,
2305 .policy
= nl802154_policy
,
2306 .flags
= GENL_ADMIN_PERM
,
2307 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2308 NL802154_FLAG_NEED_RTNL
,
2310 #ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
2312 .cmd
= NL802154_CMD_SET_SEC_PARAMS
,
2313 .doit
= nl802154_set_llsec_params
,
2314 .policy
= nl802154_policy
,
2315 .flags
= GENL_ADMIN_PERM
,
2316 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2317 NL802154_FLAG_NEED_RTNL
,
2320 .cmd
= NL802154_CMD_GET_SEC_KEY
,
2321 /* TODO .doit by matching key id? */
2322 .dumpit
= nl802154_dump_llsec_key
,
2323 .policy
= nl802154_policy
,
2324 .flags
= GENL_ADMIN_PERM
,
2325 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2326 NL802154_FLAG_NEED_RTNL
,
2329 .cmd
= NL802154_CMD_NEW_SEC_KEY
,
2330 .doit
= nl802154_add_llsec_key
,
2331 .policy
= nl802154_policy
,
2332 .flags
= GENL_ADMIN_PERM
,
2333 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2334 NL802154_FLAG_NEED_RTNL
,
2337 .cmd
= NL802154_CMD_DEL_SEC_KEY
,
2338 .doit
= nl802154_del_llsec_key
,
2339 .policy
= nl802154_policy
,
2340 .flags
= GENL_ADMIN_PERM
,
2341 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2342 NL802154_FLAG_NEED_RTNL
,
2344 /* TODO unique identifier must short+pan OR extended_addr */
2346 .cmd
= NL802154_CMD_GET_SEC_DEV
,
2347 /* TODO .doit by matching extended_addr? */
2348 .dumpit
= nl802154_dump_llsec_dev
,
2349 .policy
= nl802154_policy
,
2350 .flags
= GENL_ADMIN_PERM
,
2351 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2352 NL802154_FLAG_NEED_RTNL
,
2355 .cmd
= NL802154_CMD_NEW_SEC_DEV
,
2356 .doit
= nl802154_add_llsec_dev
,
2357 .policy
= nl802154_policy
,
2358 .flags
= GENL_ADMIN_PERM
,
2359 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2360 NL802154_FLAG_NEED_RTNL
,
2363 .cmd
= NL802154_CMD_DEL_SEC_DEV
,
2364 .doit
= nl802154_del_llsec_dev
,
2365 .policy
= nl802154_policy
,
2366 .flags
= GENL_ADMIN_PERM
,
2367 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2368 NL802154_FLAG_NEED_RTNL
,
2370 /* TODO remove complete devkey, put it as nested? */
2372 .cmd
= NL802154_CMD_GET_SEC_DEVKEY
,
2373 /* TODO doit by matching ??? */
2374 .dumpit
= nl802154_dump_llsec_devkey
,
2375 .policy
= nl802154_policy
,
2376 .flags
= GENL_ADMIN_PERM
,
2377 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2378 NL802154_FLAG_NEED_RTNL
,
2381 .cmd
= NL802154_CMD_NEW_SEC_DEVKEY
,
2382 .doit
= nl802154_add_llsec_devkey
,
2383 .policy
= nl802154_policy
,
2384 .flags
= GENL_ADMIN_PERM
,
2385 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2386 NL802154_FLAG_NEED_RTNL
,
2389 .cmd
= NL802154_CMD_DEL_SEC_DEVKEY
,
2390 .doit
= nl802154_del_llsec_devkey
,
2391 .policy
= nl802154_policy
,
2392 .flags
= GENL_ADMIN_PERM
,
2393 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2394 NL802154_FLAG_NEED_RTNL
,
2397 .cmd
= NL802154_CMD_GET_SEC_LEVEL
,
2398 /* TODO .doit by matching frame_type? */
2399 .dumpit
= nl802154_dump_llsec_seclevel
,
2400 .policy
= nl802154_policy
,
2401 .flags
= GENL_ADMIN_PERM
,
2402 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2403 NL802154_FLAG_NEED_RTNL
,
2406 .cmd
= NL802154_CMD_NEW_SEC_LEVEL
,
2407 .doit
= nl802154_add_llsec_seclevel
,
2408 .policy
= nl802154_policy
,
2409 .flags
= GENL_ADMIN_PERM
,
2410 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2411 NL802154_FLAG_NEED_RTNL
,
2414 .cmd
= NL802154_CMD_DEL_SEC_LEVEL
,
2415 /* TODO match frame_type only? */
2416 .doit
= nl802154_del_llsec_seclevel
,
2417 .policy
= nl802154_policy
,
2418 .flags
= GENL_ADMIN_PERM
,
2419 .internal_flags
= NL802154_FLAG_NEED_NETDEV
|
2420 NL802154_FLAG_NEED_RTNL
,
2422 #endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
2425 /* initialisation/exit functions */
2426 int nl802154_init(void)
2428 return genl_register_family_with_ops_groups(&nl802154_fam
, nl802154_ops
,
2432 void nl802154_exit(void)
2434 genl_unregister_family(&nl802154_fam
);