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Merge tag 'ieee802154-for-net-next-2023-06-23' of gitolite.kernel.org:pub/scm/linux/kernel/git/wpan/wpan-next

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Miquel Raynal says:

====================
Core WPAN changes:
 - Support for active scans
 - Support for answering BEACON_REQ
 - Specific MLME handling for limited devices

WPAN driver changes:
 - ca8210:
   - Flag the devices as limited
   - Remove stray gpiod_unexport() call

* tag 'ieee802154-for-net-next-2023-06-23' of gitolite.kernel.org:pub/scm/linux/kernel/git/wpan/wpan-next:
  ieee802154: ca8210: Remove stray gpiod_unexport() call
  ieee802154: ca8210: Flag the driver as being limited
  net: ieee802154: Handle limited devices with only datagram support
  mac802154: Handle received BEACON_REQ
  ieee802154: Add support for allowing to answer BEACON_REQ
  mac802154: Handle active scanning
  ieee802154: Add support for user active scan requests
====================

Link: https://lore.kernel.org/r/20230623195506.40b87b5f@xps-13
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski
2023-06-24 15:41:46 -07:00
parent 14fd5e0d48 18b849f12d
commit 2ffecf1a42
9 changed files with 226 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
net/ieee802154/header_ops.c
View File

@ -120,6 +120,29 @@ ieee802154_hdr_push(struct sk_buff *skb, struct ieee802154_hdr *hdr)
}
EXPORT_SYMBOL_GPL(ieee802154_hdr_push);
int ieee802154_mac_cmd_push(struct sk_buff *skb, void *f,
const void *pl, unsigned int pl_len)
{
struct ieee802154_mac_cmd_frame *frame = f;
struct ieee802154_mac_cmd_pl *mac_pl = &frame->mac_pl;
struct ieee802154_hdr *mhr = &frame->mhr;
int ret;
skb_reserve(skb, sizeof(*mhr));
ret = ieee802154_hdr_push(skb, mhr);
if (ret < 0)
return ret;
skb_reset_mac_header(skb);
skb->mac_len = ret;
skb_put_data(skb, mac_pl, sizeof(*mac_pl));
skb_put_data(skb, pl, pl_len);
return 0;
}
EXPORT_SYMBOL_GPL(ieee802154_mac_cmd_push);
int ieee802154_beacon_push(struct sk_buff *skb,
struct ieee802154_beacon_frame *beacon)
{
@ -284,6 +307,19 @@ ieee802154_hdr_pull(struct sk_buff *skb, struct ieee802154_hdr *hdr)
}
EXPORT_SYMBOL_GPL(ieee802154_hdr_pull);
int ieee802154_mac_cmd_pl_pull(struct sk_buff *skb,
struct ieee802154_mac_cmd_pl *mac_pl)
{
if (!pskb_may_pull(skb, sizeof(*mac_pl)))
return -EINVAL;
memcpy(mac_pl, skb->data, sizeof(*mac_pl));
skb_pull(skb, sizeof(*mac_pl));
return 0;
}
EXPORT_SYMBOL_GPL(ieee802154_mac_cmd_pl_pull);
int
ieee802154_hdr_peek_addrs(const struct sk_buff *skb, struct ieee802154_hdr *hdr)
{

13
net/ieee802154/nl802154.c
View File

@ -233,7 +233,7 @@ static const struct nla_policy nl802154_policy[NL802154_ATTR_MAX+1] = {
NLA_POLICY_RANGE(NLA_U8, NL802154_SCAN_DONE_REASON_FINISHED,
NL802154_SCAN_DONE_REASON_ABORTED),
[NL802154_ATTR_BEACON_INTERVAL] =
NLA_POLICY_MAX(NLA_U8, IEEE802154_MAX_SCAN_DURATION),
NLA_POLICY_MAX(NLA_U8, IEEE802154_ACTIVE_SCAN_DURATION),
#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
[NL802154_ATTR_SEC_ENABLED] = { .type = NLA_U8, },
@ -1417,6 +1417,11 @@ static int nl802154_trigger_scan(struct sk_buff *skb, struct genl_info *info)
return -EINVAL;
}
if (wpan_phy->flags & WPAN_PHY_FLAG_DATAGRAMS_ONLY) {
NL_SET_ERR_MSG(info->extack, "PHY only supports datagrams");
return -EOPNOTSUPP;
}
request = kzalloc(sizeof(*request), GFP_KERNEL);
if (!request)
return -ENOMEM;
@ -1426,6 +1431,7 @@ static int nl802154_trigger_scan(struct sk_buff *skb, struct genl_info *info)
type = nla_get_u8(info->attrs[NL802154_ATTR_SCAN_TYPE]);
switch (type) {
case NL802154_SCAN_ACTIVE:
case NL802154_SCAN_PASSIVE:
request->type = type;
break;
@ -1583,6 +1589,11 @@ nl802154_send_beacons(struct sk_buff *skb, struct genl_info *info)
return -EPERM;
}
if (wpan_phy->flags & WPAN_PHY_FLAG_DATAGRAMS_ONLY) {
NL_SET_ERR_MSG(info->extack, "PHY only supports datagrams");
return -EOPNOTSUPP;
}
request = kzalloc(sizeof(*request), GFP_KERNEL);
if (!request)
return -ENOMEM;