diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2024-04-15 11:27:11 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-05-23 12:28:49 +0300 |
| commit | 7ef8f6821d16623a3f6ea279542f9f47ece9ff1e (patch) | |
| tree | 1b12203791079ca3474c369b1242e772ed96b4e4 /net/mac80211/driver-ops.h | |
| parent | 2d33ecf5d0148671c74e68e18755b9411a7ba923 (diff) | |
| download | linux-7ef8f6821d16623a3f6ea279542f9f47ece9ff1e.tar.xz | |
wifi: mac80211: mlme: handle cross-link CSA
If we see a channel switch announcement on one link for
another, handle that case and start the CSA. The driver
can react to this in whatever way it needs. The stack
will have the ability to track it via the RNR/MLE in the
reporting link's beacon if it sees it for inactive links
and adjust everything accordingly.
Note that currently the timings for the CSA aren't set,
the values are only used by the Intel drivers, and they
don't need this for newer devices that support MLO, so
I've left it out for now.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240415112355.4d34b6a31be7.Ie8453979f5805873a8411c99346bcc3810cd6476@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/driver-ops.h')
| -rw-r--r-- | net/mac80211/driver-ops.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 5d078c0a2323..d4e73d3630e0 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -1150,6 +1150,9 @@ drv_pre_channel_switch(struct ieee80211_sub_if_data *sdata, if (!check_sdata_in_driver(sdata)) return -EIO; + if (!ieee80211_vif_link_active(&sdata->vif, ch_switch->link_id)) + return 0; + trace_drv_pre_channel_switch(local, sdata, ch_switch); if (local->ops->pre_channel_switch) ret = local->ops->pre_channel_switch(&local->hw, &sdata->vif, @@ -1171,6 +1174,9 @@ drv_post_channel_switch(struct ieee80211_link_data *link) if (!check_sdata_in_driver(sdata)) return -EIO; + if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) + return 0; + trace_drv_post_channel_switch(local, sdata); if (local->ops->post_channel_switch) ret = local->ops->post_channel_switch(&local->hw, &sdata->vif, @@ -1191,6 +1197,9 @@ drv_abort_channel_switch(struct ieee80211_link_data *link) if (!check_sdata_in_driver(sdata)) return; + if (!ieee80211_vif_link_active(&sdata->vif, link->link_id)) + return; + trace_drv_abort_channel_switch(local, sdata); if (local->ops->abort_channel_switch) @@ -1210,6 +1219,9 @@ drv_channel_switch_rx_beacon(struct ieee80211_sub_if_data *sdata, if (!check_sdata_in_driver(sdata)) return; + if (!ieee80211_vif_link_active(&sdata->vif, ch_switch->link_id)) + return; + trace_drv_channel_switch_rx_beacon(local, sdata, ch_switch); if (local->ops->channel_switch_rx_beacon) local->ops->channel_switch_rx_beacon(&local->hw, &sdata->vif, |