mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 06:57:57 +00:00
87 lines
3.0 KiB
Diff
87 lines
3.0 KiB
Diff
--- a/drivers/net/wireless/ath/ath5k/desc.c
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+++ b/drivers/net/wireless/ath/ath5k/desc.c
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@@ -603,37 +603,37 @@ static int ath5k_hw_proc_5212_rx_status(
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struct ath5k_rx_status *rs)
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{
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struct ath5k_hw_rx_status *rx_status;
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+ u32 rxstat0, rxstat1;
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rx_status = &desc->ud.ds_rx.rx_stat;
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+ rxstat1 = ACCESS_ONCE(rx_status->rx_status_1);
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/* No frame received / not ready */
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- if (unlikely(!(rx_status->rx_status_1 &
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- AR5K_5212_RX_DESC_STATUS1_DONE)))
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+ if (unlikely(!(rxstat1 & AR5K_5212_RX_DESC_STATUS1_DONE)))
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return -EINPROGRESS;
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memset(rs, 0, sizeof(struct ath5k_rx_status));
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+ rxstat0 = ACCESS_ONCE(rx_status->rx_status_0);
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/*
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* Frame receive status
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*/
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- rs->rs_datalen = rx_status->rx_status_0 &
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- AR5K_5212_RX_DESC_STATUS0_DATA_LEN;
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- rs->rs_rssi = AR5K_REG_MS(rx_status->rx_status_0,
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+ rs->rs_datalen = rxstat0 & AR5K_5212_RX_DESC_STATUS0_DATA_LEN;
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+ rs->rs_rssi = AR5K_REG_MS(rxstat0,
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AR5K_5212_RX_DESC_STATUS0_RECEIVE_SIGNAL);
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- rs->rs_rate = AR5K_REG_MS(rx_status->rx_status_0,
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+ rs->rs_rate = AR5K_REG_MS(rxstat0,
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AR5K_5212_RX_DESC_STATUS0_RECEIVE_RATE);
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- rs->rs_antenna = AR5K_REG_MS(rx_status->rx_status_0,
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+ rs->rs_antenna = AR5K_REG_MS(rxstat0,
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AR5K_5212_RX_DESC_STATUS0_RECEIVE_ANTENNA);
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- rs->rs_more = !!(rx_status->rx_status_0 &
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- AR5K_5212_RX_DESC_STATUS0_MORE);
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- rs->rs_tstamp = AR5K_REG_MS(rx_status->rx_status_1,
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+ rs->rs_more = !!(rxstat0 & AR5K_5212_RX_DESC_STATUS0_MORE);
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+ rs->rs_tstamp = AR5K_REG_MS(rxstat1,
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AR5K_5212_RX_DESC_STATUS1_RECEIVE_TIMESTAMP);
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/*
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* Key table status
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*/
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- if (rx_status->rx_status_1 & AR5K_5212_RX_DESC_STATUS1_KEY_INDEX_VALID)
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- rs->rs_keyix = AR5K_REG_MS(rx_status->rx_status_1,
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+ if (rxstat1 & AR5K_5212_RX_DESC_STATUS1_KEY_INDEX_VALID)
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+ rs->rs_keyix = AR5K_REG_MS(rxstat1,
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AR5K_5212_RX_DESC_STATUS1_KEY_INDEX);
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else
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rs->rs_keyix = AR5K_RXKEYIX_INVALID;
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@@ -641,27 +641,22 @@ static int ath5k_hw_proc_5212_rx_status(
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/*
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* Receive/descriptor errors
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*/
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- if (!(rx_status->rx_status_1 &
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- AR5K_5212_RX_DESC_STATUS1_FRAME_RECEIVE_OK)) {
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- if (rx_status->rx_status_1 &
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- AR5K_5212_RX_DESC_STATUS1_CRC_ERROR)
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+ if (!(rxstat1 & AR5K_5212_RX_DESC_STATUS1_FRAME_RECEIVE_OK)) {
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+ if (rxstat1 & AR5K_5212_RX_DESC_STATUS1_CRC_ERROR)
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rs->rs_status |= AR5K_RXERR_CRC;
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- if (rx_status->rx_status_1 &
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- AR5K_5212_RX_DESC_STATUS1_PHY_ERROR) {
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+ if (rxstat1 & AR5K_5212_RX_DESC_STATUS1_PHY_ERROR) {
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rs->rs_status |= AR5K_RXERR_PHY;
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- rs->rs_phyerr = AR5K_REG_MS(rx_status->rx_status_1,
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+ rs->rs_phyerr = AR5K_REG_MS(rxstat1,
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AR5K_5212_RX_DESC_STATUS1_PHY_ERROR_CODE);
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if (!ah->ah_capabilities.cap_has_phyerr_counters)
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ath5k_ani_phy_error_report(ah, rs->rs_phyerr);
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}
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- if (rx_status->rx_status_1 &
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- AR5K_5212_RX_DESC_STATUS1_DECRYPT_CRC_ERROR)
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+ if (rxstat1 & AR5K_5212_RX_DESC_STATUS1_DECRYPT_CRC_ERROR)
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rs->rs_status |= AR5K_RXERR_DECRYPT;
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- if (rx_status->rx_status_1 &
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- AR5K_5212_RX_DESC_STATUS1_MIC_ERROR)
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+ if (rxstat1 & AR5K_5212_RX_DESC_STATUS1_MIC_ERROR)
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rs->rs_status |= AR5K_RXERR_MIC;
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}
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return 0;
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