iwlwifi: report A-MPDU status
Since the firmware will give us an A-MPDU bit and
only a single PHY information packet for all the
subframes in an A-MPDU, we can easily report the
minimal A-MPDU information for radiotap.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/dvm/commands.h b/drivers/net/wireless/iwlwifi/dvm/commands.h
index cee8a05..01128c9 100644
--- a/drivers/net/wireless/iwlwifi/dvm/commands.h
+++ b/drivers/net/wireless/iwlwifi/dvm/commands.h
@@ -1057,6 +1057,7 @@
#define RX_RES_PHY_FLAGS_NARROW_BAND_MSK cpu_to_le16(1 << 3)
#define RX_RES_PHY_FLAGS_ANTENNA_MSK 0x70
#define RX_RES_PHY_FLAGS_ANTENNA_POS 4
+#define RX_RES_PHY_FLAGS_AGG_MSK cpu_to_le16(1 << 7)
#define RX_RES_STATUS_SEC_TYPE_MSK (0x7 << 8)
#define RX_RES_STATUS_SEC_TYPE_NONE (0x0 << 8)
diff --git a/drivers/net/wireless/iwlwifi/dvm/dev.h b/drivers/net/wireless/iwlwifi/dvm/dev.h
index 054f728..8141f91c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/dev.h
+++ b/drivers/net/wireless/iwlwifi/dvm/dev.h
@@ -771,6 +771,7 @@
u8 agg_tids_count;
struct iwl_rx_phy_res last_phy_res;
+ u32 ampdu_ref;
bool last_phy_res_valid;
/*
diff --git a/drivers/net/wireless/iwlwifi/dvm/rx.c b/drivers/net/wireless/iwlwifi/dvm/rx.c
index fee5cff..5a9c325 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rx.c
@@ -667,6 +667,7 @@
struct iwl_rx_packet *pkt = rxb_addr(rxb);
priv->last_phy_res_valid = true;
+ priv->ampdu_ref++;
memcpy(&priv->last_phy_res, pkt->data,
sizeof(struct iwl_rx_phy_res));
return 0;
@@ -981,6 +982,16 @@
if (phy_res->phy_flags & RX_RES_PHY_FLAGS_SHORT_PREAMBLE_MSK)
rx_status.flag |= RX_FLAG_SHORTPRE;
+ if (phy_res->phy_flags & RX_RES_PHY_FLAGS_AGG_MSK) {
+ /*
+ * We know which subframes of an A-MPDU belong
+ * together since we get a single PHY response
+ * from the firmware for all of them
+ */
+ rx_status.flag |= RX_FLAG_AMPDU_DETAILS;
+ rx_status.ampdu_reference = priv->ampdu_ref;
+ }
+
/* Set up the HT phy flags */
if (rate_n_flags & RATE_MCS_HT_MSK)
rx_status.flag |= RX_FLAG_HT;
