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OCV: Add function to derive Tx parameters to a specific STA

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Use the information elements that were present in the (Re)Association
Request frame to derive the maximum bandwidth the AP will use to
transmit frames to a specific STA. By using this approach, we don't need
to query the kernel for this information, and avoid having to add a
driver API for that.

Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@cs.kuleuven.be>
This commit is contained in:
Mathy Vanhoef 2018-08-06 15:46:30 -04:00 • committed by Jouni Malinen
parent 697652085f
commit 1034f67bf1
5 changed files with 118 additions and 0 deletions
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6
src/ap/wpa_auth.h
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@ -270,6 +270,9 @@ struct wpa_auth_callbacks {
int (*send_oui)(void *ctx, const u8 *dst, u8 oui_suffix, const u8 *data,
size_t data_len);
int (*channel_info)(void *ctx, struct wpa_channel_info *ci);
int (*get_sta_tx_params)(void *ctx, const u8 *addr,
int ap_max_chanwidth, int ap_seg1_idx,
int *bandwidth, int *seg1_idx);
#ifdef CONFIG_IEEE80211R_AP
struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr);
int (*set_vlan)(void *ctx, const u8 *sta_addr,
@ -456,6 +459,9 @@ const u8 * wpa_fils_validate_fils_session(struct wpa_state_machine *sm,
int wpa_fils_validate_key_confirm(struct wpa_state_machine *sm, const u8 *ies,
size_t ies_len);
int get_sta_tx_parameters(struct wpa_state_machine *sm, int ap_max_chanwidth,
int ap_seg1_idx, int *bandwidth, int *seg1_idx);
int wpa_auth_write_fte(struct wpa_authenticator *wpa_auth, int use_sha384,
u8 *buf, size_t len);
void wpa_auth_get_fils_aead_params(struct wpa_state_machine *sm,