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| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2019-06-27 21:50:24 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-07-30 18:34:25 +0200 |
| commit | ecd09ddc1d14cca4f874151aed51a7feee3f765b (patch) | |
| tree | 4a0c746de74419dcccab9913f23332d4e7fd86b5 /drivers/net/wireless/intel/iwlwifi/mvm/rs.c | |
| parent | f5d88fa334e6c8e2d840512ffbb30e3cb58d065b (diff) | |
iwlwifi: mvm: fix frame drop from the reordering buffer
An earlier patch made sure that the queues are not lagging
too far behind. This means that iwl_mvm_release_frames
should not be called with a head_sn too far behind NSSN.
Don't take the risk to change completely the entry
condition to iwl_mvm_release_frames, but don't update
the head_sn is the NSSN is more than 2048 packets ahead
of us. Since this just cannot be right. This means that
the scenario described here happened. We are queue 0.
Q:0 Q:1
head_sn: 0 -> 2047
head_sn: 2048
Lots of packets arrive:
head_sn: 2047 -> 2150
send NSSN_SYNC notification
Handle notification
from the firmware and
do NOT move the head_sn
back to 2048
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rs.c')
0 files changed, 0 insertions, 0 deletions