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| author |   Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-03-06 10:30:49 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-03-11 19:50:06 +0200 |
| commit | ee7bea582e9d4b7de5928628201a5763e0e4cbbe (patch) | |
| tree | c097441b03d331492ffd266655a03ad3c65f4adf /drivers/net/wireless/iwlwifi/mvm/coex.c | |
| parent | iwlwifi: mvm: make bt-coex.c generic (diff) | |
| download | linux-dev-ee7bea582e9d4b7de5928628201a5763e0e4cbbe.tar.xz linux-dev-ee7bea582e9d4b7de5928628201a5763e0e4cbbe.zip | |
iwlwifi: mvm: BT Coex - classify packet priority in BT code
This code is really related to BT Coex - move it to the coex
file.
Also - prepare for a FW API change that will happen soon:
Bits 11 and 12 will be allocated for BT priority. Today, we
only have bit 12.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/coex.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/coex.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c index 0b2e351d4e52..43027c346ad3 100644 --- a/drivers/net/wireless/iwlwifi/mvm/coex.c +++ b/drivers/net/wireless/iwlwifi/mvm/coex.c @@ -61,6 +61,8 @@ * *****************************************************************************/ +#include <linux/ieee80211.h> +#include <linux/etherdevice.h> #include <net/mac80211.h> #include "fw-api-coex.h" @@ -1205,6 +1207,21 @@ bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm, return iwl_get_coex_type(mvm, mvmsta->vif) == BT_COEX_TIGHT_LUT; } +u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr, + struct ieee80211_tx_info *info) +{ + __le16 fc = hdr->frame_control; + + /* High prio packet (wrt. BT coex) if it is EAPOL, MCAST or MGMT */ + if (info->band == IEEE80211_BAND_2GHZ && + (info->control.flags & IEEE80211_TX_CTRL_PORT_CTRL_PROTO || + is_multicast_ether_addr(hdr->addr1) || + ieee80211_is_back_req(fc) || ieee80211_is_mgmt(fc))) + return 2; + + return 0; +} + void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm) { if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NEWBT_COEX)) |