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ath11k: Add vdev start flag to disable hardware encryption

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Firmware blocks all data traffic until the key is plumbed. But, with
software encryption mode, key is never plumbed to firmware. Due to this,
a traffic failure in software encryption mode has been observed. Hence,
firmware has introduced a flag to differentiate software encryption
mode. This flag can be passed during vdev_start command.

Enable WMI_VDEV_START_HW_ENCRYPTION_DISABLED flag in vdev_start command
to notify firmware to disable hardware encryption for a vdev. This is set
if raw mode software encryption is enabled.

Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.4.0.1-01421-QCAHKSWPL_SILICONZ-1

Signed-off-by: Seevalamuthu Mariappan <seevalam@codeaurora.org>
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210721212029.142388-5-jouni@codeaurora.org
This commit is contained in:
Seevalamuthu Mariappan
2021-09-28 12:05:40 +03:00
committed by Kalle Valo
parent 1db2b0d0a3
commit 8717db7ee8
2 changed files with 3 additions and 0 deletions
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2
drivers/net/wireless/ath/ath11k/wmi.c
View File

@@ -884,6 +884,8 @@ int ath11k_wmi_vdev_start(struct ath11k *ar, struct wmi_vdev_start_req_arg *arg,
}
cmd->flags |= WMI_VDEV_START_LDPC_RX_ENABLED;
if (test_bit(ATH11K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags))
cmd->flags |= WMI_VDEV_START_HW_ENCRYPTION_DISABLED;
ptr = skb->data + sizeof(*cmd);
chan = ptr;

1
drivers/net/wireless/ath/ath11k/wmi.h
View File

@@ -2577,6 +2577,7 @@ struct wmi_vdev_down_cmd {
#define WMI_VDEV_START_HIDDEN_SSID BIT(0)
#define WMI_VDEV_START_PMF_ENABLED BIT(1)
#define WMI_VDEV_START_LDPC_RX_ENABLED BIT(3)
#define WMI_VDEV_START_HW_ENCRYPTION_DISABLED BIT(4)
struct wmi_ssid {
u32 ssid_len;