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HE: Disable TXOP duration-based RTS if he_rts_threshold is not set

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IEEE P802.11ax/D4.0 9.4.2.243 "HE Operation element" indicates that the
special value 1023 in the TXOP Duration RTS Threshold field is used to
indicate that TXOP duration-based RTS is disabled. Use that value as the
default instead of the previously used value 0 which would really mean
threshold of 0 usec. Furthermore, the previous implementation did not
allow values larger than 255 to be used for this field while the field
is actually 10 bits in size.

Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin 2019-04-16 14:33:58 +02:00 committed by Jouni Malinen
parent 5b3940d0c2
commit 83f30fabe3
2 changed files with 6 additions and 1 deletions
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5
src/ap/ap_config.c
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@ -236,6 +236,11 @@ struct hostapd_config * hostapd_config_defaults(void)
conf->acs_num_scans = 5;
#endif /* CONFIG_ACS */
#ifdef CONFIG_IEEE80211AX
conf->he_op.he_rts_threshold = HE_OPERATION_RTS_THRESHOLD_MASK >>
HE_OPERATION_RTS_THRESHOLD_OFFSET;
#endif /* CONFIG_IEEE80211AX */
/* The third octet of the country string uses an ASCII space character
* by default to indicate that the regulations encompass all
* environments for the current frequency band in the country. */

2
src/ap/ap_config.h
View file

@ -737,7 +737,7 @@ struct he_operation {
u8 he_bss_color;
u8 he_default_pe_duration;
u8 he_twt_required;
u8 he_rts_threshold;
u16 he_rts_threshold;
};
/**