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mac80211: introduce TDLS channel switch ops

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Implement the cfg80211 TDLS channel switch ops and introduce new mac80211
ones for low-level drivers.
Verify low-level driver support for the new ops when using the relevant
wiphy feature bit. Also verify the peer supports channel switching before
passing the command down.

Add a new STA flag to track the off-channel state with the TDLS peer and
make sure to cancel the channel-switch if the peer STA is unexpectedly
removed.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov 2014-11-09 18:50:19 +02:00 • committed by Johannes Berg
parent 5383758443
commit a7a6bdd067
10 changed files with 381 additions and 5 deletions
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10
net/mac80211/debugfs_sta.c
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@ -74,7 +74,7 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
test_sta_flag(sta, WLAN_STA_##flg) ? #flg "\n" : ""
int res = scnprintf(buf, sizeof(buf),
"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
TEST(AUTH), TEST(ASSOC), TEST(PS_STA),
TEST(PS_DRIVER), TEST(AUTHORIZED),
TEST(SHORT_PREAMBLE),
@ -83,10 +83,10 @@ static ssize_t sta_flags_read(struct file *file, char __user *userbuf,
TEST(MFP), TEST(BLOCK_BA), TEST(PSPOLL),
TEST(UAPSD), TEST(SP), TEST(TDLS_PEER),
TEST(TDLS_PEER_AUTH), TEST(TDLS_INITIATOR),
TEST(TDLS_CHAN_SWITCH), TEST(4ADDR_EVENT),
TEST(INSERTED), TEST(RATE_CONTROL),
TEST(TOFFSET_KNOWN), TEST(MPSP_OWNER),
TEST(MPSP_RECIPIENT));
TEST(TDLS_CHAN_SWITCH), TEST(TDLS_OFF_CHANNEL),
TEST(4ADDR_EVENT), TEST(INSERTED),
TEST(RATE_CONTROL), TEST(TOFFSET_KNOWN),
TEST(MPSP_OWNER), TEST(MPSP_RECIPIENT));
#undef TEST
return simple_read_from_buffer(userbuf, count, ppos, buf, res);
}