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nl80211: extend support to config spatial reuse parameter set

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Allow the user to configure below Spatial Reuse Parameter Set element.
  * Non-SRG OBSS PD Max Offset
  * SRG BSS Color Bitmap
  * SRG Partial BSSID Bitmap

Signed-off-by: Rajkumar Manoharan <rmanohar@codeaurora.org>
Link: https://lore.kernel.org/r/1601278091-20313-2-git-send-email-rmanohar@codeaurora.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Rajkumar Manoharan 2020-09-28 00:28:11 -07:00 committed by Johannes Berg
parent 265a070833
commit f5bec330e3
4 changed files with 51 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
include/linux/ieee80211.h
View File

@ -2350,8 +2350,11 @@ ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
}
/* HE Spatial Reuse defines */
#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT 0x4
#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT 0x8
#define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
#define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
#define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
/*
* ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size

10
include/net/cfg80211.h
View File

@ -269,13 +269,23 @@ struct ieee80211_rate {
* struct ieee80211_he_obss_pd - AP settings for spatial reuse
*
* @enable: is the feature enabled.
* @sr_ctrl: The SR Control field of SRP element.
* @non_srg_max_offset: non-SRG maximum tx power offset
* @min_offset: minimal tx power offset an associated station shall use
* @max_offset: maximum tx power offset an associated station shall use
* @bss_color_bitmap: bitmap that indicates the BSS color values used by
* members of the SRG
* @partial_bssid_bitmap: bitmap that indicates the partial BSSID values
* used by members of the SRG
*/
struct ieee80211_he_obss_pd {
bool enable;
u8 sr_ctrl;
u8 non_srg_max_offset;
u8 min_offset;
u8 max_offset;
u8 bss_color_bitmap[8];
u8 partial_bssid_bitmap[8];
};
/**

11
include/uapi/linux/nl80211.h
View File

@ -6991,6 +6991,13 @@ enum nl80211_peer_measurement_ftm_resp {
*
* @NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET: the OBSS PD minimum tx power offset.
* @NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET: the OBSS PD maximum tx power offset.
* @NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET: the non-SRG OBSS PD maximum
* tx power offset.
* @NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP: bitmap that indicates the BSS color
* values used by members of the SRG.
* @NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP: bitmap that indicates the partial
* BSSID values used by members of the SRG.
* @NL80211_HE_OBSS_PD_ATTR_SR_CTRL: The SR Control field of SRP element.
*
* @__NL80211_HE_OBSS_PD_ATTR_LAST: Internal
* @NL80211_HE_OBSS_PD_ATTR_MAX: highest OBSS PD attribute.
@ -7000,6 +7007,10 @@ enum nl80211_obss_pd_attributes {
NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET,
NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET,
NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET,
NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP,
NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP,
NL80211_HE_OBSS_PD_ATTR_SR_CTRL,
/* keep last */
__NL80211_HE_OBSS_PD_ATTR_LAST,

25
net/wireless/nl80211.c
View File

@ -329,6 +329,13 @@ he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = {
NLA_POLICY_RANGE(NLA_U8, 1, 20),
[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] =
NLA_POLICY_RANGE(NLA_U8, 1, 20),
[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] =
NLA_POLICY_RANGE(NLA_U8, 1, 20),
[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] =
NLA_POLICY_EXACT_LEN(8),
[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] =
NLA_POLICY_EXACT_LEN(8),
[NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 },
};
static const struct nla_policy
@ -4857,16 +4864,34 @@ static int nl80211_parse_he_obss_pd(struct nlattr *attrs,
if (err)
return err;
if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL])
return -EINVAL;
he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]);
if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET])
he_obss_pd->min_offset =
nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]);
if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET])
he_obss_pd->max_offset =
nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]);
if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET])
he_obss_pd->non_srg_max_offset =
nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]);
if (he_obss_pd->min_offset > he_obss_pd->max_offset)
return -EINVAL;
if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP])
memcpy(he_obss_pd->bss_color_bitmap,
nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]),
sizeof(he_obss_pd->bss_color_bitmap));
if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP])
memcpy(he_obss_pd->partial_bssid_bitmap,
nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]),
sizeof(he_obss_pd->partial_bssid_bitmap));
he_obss_pd->enable = true;
return 0;