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qcacld-3.0: Get the current chains in drv_cmd_get_antenna_mode

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In the API drv_cmd_get_antenna_mode, the driver gets the
hdd_ctx->current_antenna_mode, which is pdev level, but
with the new feature of per vdev antenna mode, return the
num of chains for that particular vdev.

Change-Id: Ia8180592c34a29a7593943fc5e10c781682aac56
CRs-Fixed: 2347494
This commit is contained in:
gaurank kathpalia
2018-10-31 17:40:18 +05:30
committed by nshrivas
parent f95ae68380
commit 2472fb942e
1 changed files with 37 additions and 0 deletions
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37
core/hdd/src/wlan_hdd_ioctl.c
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@@ -6846,6 +6846,39 @@ static int drv_cmd_set_antenna_mode(struct hdd_adapter *adapter,
return hdd_set_antenna_mode(adapter, hdd_ctx, mode);
}
/**
* hdd_get_dynamic_antenna_mode() -get the dynamic antenna mode for vdev
* @antenna_mode: pointer to antenna mode of vdev
* @dynamic_nss_chains_support: feature support for dynamic nss chains update
* @vdev: Pointer to vdev
*
* This API will check for the num of chains configured for the vdev, and fill
* that info in the antenna mode if the dynamic chains per vdev are supported.
*
* Return: None
*/
static void
hdd_get_dynamic_antenna_mode(uint32_t *antenna_mode,
bool dynamic_nss_chains_support,
struct wlan_objmgr_vdev *vdev)
{
struct wlan_mlme_nss_chains *nss_chains_dynamic_cfg;
if (!dynamic_nss_chains_support)
return;
nss_chains_dynamic_cfg = mlme_get_dynamic_vdev_config(vdev);
if (!nss_chains_dynamic_cfg) {
hdd_err("nss chain dynamic config NULL");
return;
}
/*
* At present, this command doesn't include band, so by default
* it will return the band 2ghz present rf chains.
*/
*antenna_mode = nss_chains_dynamic_cfg->num_rx_chains[BAND_2GHZ];
}
/**
* drv_cmd_get_antenna_mode() - GET ANTENNA MODE driver command
* handler
@@ -6868,6 +6901,10 @@ static inline int drv_cmd_get_antenna_mode(struct hdd_adapter *adapter,
uint8_t len = 0;
antenna_mode = hdd_ctx->current_antenna_mode;
/* Overwrite this antenna mode if dynamic vdev chains are supported */
hdd_get_dynamic_antenna_mode(&antenna_mode,
hdd_ctx->dynamic_nss_chains_support,
adapter->vdev);
len = scnprintf(extra, sizeof(extra), "%s %d", command,
antenna_mode);
len = QDF_MIN(priv_data->total_len, len + 1);