renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-16 01:04:08 +08:00
Code

Just a few more changes:

Browse Source 
* mac80211: allow non-standard VHT MCSes 10/11
  * mac80211: add sleepable station iterator for drivers
  * nl80211: clarify a comment
  * mac80211: small cleanup to use typed element helpers
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEH1e1rEeCd0AIMq6MB8qZga/fl8QFAmHUX+8ACgkQB8qZga/f
 l8RHoQ//aihUQkeiQc1D/xpGtpg9Bnphv0hQExxtwyCmI3FUupzqEcgWLFrJvkmM
 N/e0h1Fl6GFosDTsThVg3u39ERJfVvxY4MO7gQ07R3tBSFIwwdxLwi6b6B5TbsPE
 OVaU5clmsMjr8B4o1VRzKI9Rsgn5VVrj5MyDgBcR1mwPAwXwCgvUoNFGJ74dN0Wz
 Cr0zVGZvX+cVI4B977U0EnUU25JjEJouV2AqviNbfIeRCUmlFIUO8UOOr3VgY/pL
 1/ywf0s6ARlBpvz9HjqnZJfDgPcysJqP9k4bgyqW+ox0hFtzhivuzPw8AUVr1Xg1
 3IXLS0CjAedEV73aps9F6Xx+DJW79YgD0aZrHs097BEdlHEq1HqH+2CDDTZc03vT
 tySMtbO+CSMLCjjVZH+JsGwSfQ8bLoBInrFsZH/2Lc9hdQ2lWEMHuz7Vj+FFMw37
 wBsvdcUQBc3TvjjNSa34jnvfH5dhXAj4K/n8mmtZori8AYjOr8VoDLNMy8lACBHt
 AubJhHUXElvXylaN+fxvQf+ps0eajEoGP5Q86+5l+YWfwXki6M9tQxjhwOaJGH05
 rGJW3zQx9YALrjfU6R9m89v1akJhg67H6FcGwPG3ASI7ZhuQ7Al2TrhLWOmPvt43
 xfL+zfMtlExV8bj6qrHLw2YJJUSxqxRMe2ZLCqkJksYqxa0TNRs=
 =m+bZ
 -----END PGP SIGNATURE-----

Merge tag 'mac80211-next-for-net-next-2022-01-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

Johannes Berg says:

====================
Just a few more changes:
 - mac80211: allow non-standard VHT MCSes 10/11
 - mac80211: add sleepable station iterator for drivers
 - nl80211: clarify a comment
 - mac80211: small cleanup to use typed element helpers

* tag 'mac80211-next-for-net-next-2022-01-04' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next:
  mac80211: use ieee80211_bss_get_elem()
  nl80211: clarify comment for mesh PLINK_BLOCKED state
  mac80211: Add stations iterator where the iterator function may sleep
  mac80211: allow non-standard VHT MCS-10/11
====================

Link: https://lore.kernel.org/r/20220104153403.69749-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-01-04 08:13:02 -08:00
commit 18343b8069
5 changed files with 43 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
include/net/mac80211.h
View File

@ -5614,6 +5614,9 @@ void ieee80211_iterate_active_interfaces_atomic(struct ieee80211_hw *hw,
* This function iterates over the interfaces associated with a given
* hardware that are currently active and calls the callback for them.
* This version can only be used while holding the wiphy mutex.
* The driver must not call this with a lock held that it can also take in
* response to callbacks from mac80211, and it must not call this within
* callbacks made by mac80211 - both would result in deadlocks.
*
* @hw: the hardware struct of which the interfaces should be iterated over
* @iter_flags: iteration flags, see &enum ieee80211_interface_iteration_flags
@ -5627,6 +5630,24 @@ void ieee80211_iterate_active_interfaces_mtx(struct ieee80211_hw *hw,
struct ieee80211_vif *vif),
void *data);
/**
* ieee80211_iterate_stations - iterate stations
*
* This function iterates over all stations associated with a given
* hardware that are currently uploaded to the driver and calls the callback
* function for them.
* This function allows the iterator function to sleep, when the iterator
* function is atomic @ieee80211_iterate_stations_atomic can be used.
*
* @hw: the hardware struct of which the interfaces should be iterated over
* @iterator: the iterator function to call, cannot sleep
* @data: first argument of the iterator function
*/
void ieee80211_iterate_stations(struct ieee80211_hw *hw,
void (*iterator)(void *data,
struct ieee80211_sta *sta),
void *data);
/**
* ieee80211_iterate_stations_atomic - iterate stations
*

2
include/uapi/linux/nl80211.h
View File

@ -5623,7 +5623,7 @@ enum nl80211_if_combination_attrs {
* @NL80211_PLINK_ESTAB: mesh peer link is established
* @NL80211_PLINK_HOLDING: mesh peer link is being closed or cancelled
* @NL80211_PLINK_BLOCKED: all frames transmitted from this mesh
* plink are discarded
* plink are discarded, except for authentication frames
* @NUM_NL80211_PLINK_STATES: number of peer link states
* @MAX_NL80211_PLINK_STATES: highest numerical value of plink states
*/

14
net/mac80211/mlme.c
View File

@ -4906,7 +4906,7 @@ static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
struct cfg80211_bss *cbss)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
const u8 *ht_cap_ie, *vht_cap_ie;
const struct element *ht_cap_elem, *vht_cap_elem;
const struct ieee80211_ht_cap *ht_cap;
const struct ieee80211_vht_cap *vht_cap;
u8 chains = 1;
@ -4914,9 +4914,9 @@ static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
if (ifmgd->flags & IEEE80211_STA_DISABLE_HT)
return chains;
ht_cap_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_HT_CAPABILITY);
if (ht_cap_ie && ht_cap_ie[1] >= sizeof(*ht_cap)) {
ht_cap = (void *)(ht_cap_ie + 2);
ht_cap_elem = ieee80211_bss_get_elem(cbss, WLAN_EID_HT_CAPABILITY);
if (ht_cap_elem && ht_cap_elem->datalen >= sizeof(*ht_cap)) {
ht_cap = (void *)ht_cap_elem->data;
chains = ieee80211_mcs_to_chains(&ht_cap->mcs);
/*
* TODO: use "Tx Maximum Number Spatial Streams Supported" and
@ -4927,12 +4927,12 @@ static u8 ieee80211_ht_vht_rx_chains(struct ieee80211_sub_if_data *sdata,
if (ifmgd->flags & IEEE80211_STA_DISABLE_VHT)
return chains;
vht_cap_ie = ieee80211_bss_get_ie(cbss, WLAN_EID_VHT_CAPABILITY);
if (vht_cap_ie && vht_cap_ie[1] >= sizeof(*vht_cap)) {
vht_cap_elem = ieee80211_bss_get_elem(cbss, WLAN_EID_VHT_CAPABILITY);
if (vht_cap_elem && vht_cap_elem->datalen >= sizeof(*vht_cap)) {
u8 nss;
u16 tx_mcs_map;
vht_cap = (void *)(vht_cap_ie + 2);
vht_cap = (void *)vht_cap_elem->data;
tx_mcs_map = le16_to_cpu(vht_cap->supp_mcs.tx_mcs_map);
for (nss = 8; nss > 0; nss--) {
if (((tx_mcs_map >> (2 * (nss - 1))) & 3) !=

2
net/mac80211/rx.c
View File

@ -4929,7 +4929,7 @@ void ieee80211_rx_list(struct ieee80211_hw *hw, struct ieee80211_sta *pubsta,
goto drop;
break;
case RX_ENC_VHT:
if (WARN_ONCE(status->rate_idx > 9 ||
if (WARN_ONCE(status->rate_idx > 11 ||
!status->nss ||
status->nss > 8,
"Rate marked as a VHT rate but data is invalid: MCS: %d, NSS: %d\n",

13
net/mac80211/util.c
View File

@ -862,6 +862,19 @@ static void __iterate_stations(struct ieee80211_local *local,
}
}
void ieee80211_iterate_stations(struct ieee80211_hw *hw,
void (*iterator)(void *data,
struct ieee80211_sta *sta),
void *data)
{
struct ieee80211_local *local = hw_to_local(hw);
mutex_lock(&local->sta_mtx);
__iterate_stations(local, iterator, data);
mutex_unlock(&local->sta_mtx);
}
EXPORT_SYMBOL_GPL(ieee80211_iterate_stations);
void ieee80211_iterate_stations_atomic(struct ieee80211_hw *hw,
void (*iterator)(void *data,
struct ieee80211_sta *sta),