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Clarify documentation of avoid channels expectations

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The vendor command QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY was defined
to carry the list of avoid frequencies that aim to avoid any
interference with other coexistencies. This recommendation was followed
strictly by trying to prevent WLAN traffic on the impacted channels.

This commit refines the expectation of the interface by defining this
avoid channel list to allow minimal traffic but not heavier one. For
example, P2P may still be able to use avoid list frequencies for P2P
discovery and GO negotiation if the actual group can be set up on a not
impact channel.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Sunil Dutt 2019-01-08 17:51:23 +05:30 committed by Jouni Malinen
parent 8c70c30472
commit 9da1641a4c
1 changed files with 6 additions and 2 deletions
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8
src/common/qca-vendor.h
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@ -42,8 +42,12 @@ enum qca_radiotap_vendor_ids {
* *
* @QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY: Recommendation of frequency * @QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY: Recommendation of frequency
* ranges to avoid to reduce issues due to interference or internal * ranges to avoid to reduce issues due to interference or internal
* co-existence information in the driver. The event data structure is * co-existence information in the driver. These frequencies aim to
* defined in struct qca_avoid_freq_list. * minimize the traffic but not to totally avoid the traffic. That said
* for a P2P use case, these frequencies are allowed for the P2P
* discovery/negotiation but avoid the group to get formed on these
* frequencies. The event data structure is defined in
* struct qca_avoid_freq_list.
* *
* @QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY: Command to check driver support * @QCA_NL80211_VENDOR_SUBCMD_DFS_CAPABILITY: Command to check driver support
* for DFS offloading. * for DFS offloading.