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Implement a basic radar parameter API in the dfs_null module.

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Since no actual radar data is ever handled, this won't
do anything. It's mostly here as a reference for those who
wish to experiment with radar detection.

Approved by:	re (kib)
This commit is contained in:
Adrian Chadd 2011-07-22 09:39:49 +00:00
parent 9381916024
commit c5f2a23c79
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=224267
1 changed files with 71 additions and 3 deletions
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74
sys/dev/ath/ath_dfs/null/dfs_null.c
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@ -61,7 +61,7 @@ __FBSDID("$FreeBSD$");
#include <net/bpf.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
@ -141,12 +141,80 @@ ath_dfs_tasklet_needed(struct ath_softc *sc, struct ieee80211_channel *chan)
}
/*
* Handle ioctl requests from the diagnostic interface
* Handle ioctl requests from the diagnostic interface.
*
* The initial part of this code resembles ath_ioctl_diag();
* it's likely a good idea to reduce duplication between
* these two routines.
*/
int
ath_ioctl_phyerr(struct ath_softc *sc, struct ath_diag *ad)
{
return 1;
unsigned int id = ad->ad_id & ATH_DIAG_ID;
void *indata = NULL;
void *outdata = NULL;
u_int32_t insize = ad->ad_in_size;
u_int32_t outsize = ad->ad_out_size;
int error = 0;
HAL_PHYERR_PARAM peout;
HAL_PHYERR_PARAM *pe;
if (ad->ad_id & ATH_DIAG_IN) {
/*
* Copy in data.
*/
indata = malloc(insize, M_TEMP, M_NOWAIT);
if (indata == NULL) {
error = ENOMEM;
goto bad;
}
error = copyin(ad->ad_in_data, indata, insize);
if (error)
goto bad;
}
if (ad->ad_id & ATH_DIAG_DYN) {
/*
* Allocate a buffer for the results (otherwise the HAL
* returns a pointer to a buffer where we can read the
* results). Note that we depend on the HAL leaving this
* pointer for us to use below in reclaiming the buffer;
* may want to be more defensive.
*/
outdata = malloc(outsize, M_TEMP, M_NOWAIT);
if (outdata == NULL) {
error = ENOMEM;
goto bad;
}
}
switch (id) {
case DFS_SET_THRESH:
if (insize < sizeof(HAL_PHYERR_PARAM)) {
error = -EINVAL;
break;
}
pe = (HAL_PHYERR_PARAM *) indata;
ath_hal_enabledfs(sc->sc_ah, pe);
break;
case DFS_GET_THRESH:
memset(&peout, 0, sizeof(peout));
outsize = sizeof(HAL_PHYERR_PARAM);
ath_hal_getdfsthresh(sc->sc_ah, &peout);
pe = (HAL_PHYERR_PARAM *) outdata;
memcpy(pe, &peout, sizeof(*pe));
break;
default:
error = -EINVAL;
}
if (outsize < ad->ad_out_size)
ad->ad_out_size = outsize;
if (outdata && copyout(outdata, ad->ad_out_data, ad->ad_out_size))
error = -EFAULT;
bad:
if ((ad->ad_id & ATH_DIAG_IN) && indata != NULL)
free(indata, M_TEMP);
if ((ad->ad_id & ATH_DIAG_DYN) && outdata != NULL)
free(outdata, M_TEMP);
return error;
}
/*