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[ath_hal] prepare for CAC quiet time.

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To support DFS, the NIC needs to be very quiet during this time.
No transmissions including ACKs are allowed.

This is just the initial HAL glue.
This commit is contained in:
Adrian Chadd 2017-02-03 05:15:08 +00:00
parent c15fdc23c7
commit 2bc158cf24
2 changed files with 21 additions and 0 deletions
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15
sys/dev/ath/ath_hal/ah.c
View File

@ -1428,6 +1428,21 @@ ath_hal_getcca(struct ath_hal *ah)
return ((diag & 0x500000) == 0);
}
/*
* Set the current state of self-generated ACK and RTS/CTS frames.
*
* For correct DFS operation, the device should not even /ACK/ frames
* that are sent to it during CAC or CSA.
*/
void
ath_hal_set_dfs_cac_tx_quiet(struct ath_hal *ah, HAL_BOOL ena)
{
if (ah->ah_setDfsCacTxQuiet == NULL)
return;
ah->ah_setDfsCacTxQuiet(ah, ena);
}
/*
* This routine is only needed when supporting EEPROM-in-RAM setups
* (eg embedded SoCs and on-board PCI/PCIe devices.)

6
sys/dev/ath/ath_hal/ah.h
View File

@ -1395,6 +1395,7 @@ struct ath_hal {
struct ath_rx_status *rxs, uint64_t fulltsf,
const char *buf, HAL_DFS_EVENT *event);
HAL_BOOL __ahdecl(*ah_isFastClockEnabled)(struct ath_hal *ah);
void __ahdecl(*ah_setDfsCacTxQuiet)(struct ath_hal *, HAL_BOOL);
/* Spectral Scan functions */
void __ahdecl(*ah_spectralConfigure)(struct ath_hal *ah,
@ -1659,6 +1660,11 @@ void __ahdecl ath_hal_setcca(struct ath_hal *ah, int ena);
*/
int __ahdecl ath_hal_getcca(struct ath_hal *ah);
/*
* Enable/disable and get self-gen frame (ACK, CTS) for CAC.
*/
void __ahdecl ath_hal_set_dfs_cac_tx_quiet(struct ath_hal *ah, HAL_BOOL ena);
/*
* Read EEPROM data from ah_eepromdata
*/