Add a module parameter to enable or disable
the processing of received packets in rx thread.
To enable rx packet processing in a thread
context, use the belo command to load driver:
insmod ath10k_snoc.ko rx_thread_enable=1
Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.3.1-01040-QCAHLSWMTPLZ-1
Signed-off-by: Rakesh Pillai <pill...@codeaurora.org>
---
drivers/net/wireless/ath/ath10k/core.h | 1 +
drivers/net/wireless/ath/ath10k/snoc.c | 24 +++++++++++++++++-------
2 files changed, 18 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/core.h
b/drivers/net/wireless/ath/ath10k/core.h
index 96919e8..59bdf11 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -998,6 +998,7 @@ struct ath10k {
} msa;
u8 mac_addr[ETH_ALEN];
+ bool rx_thread_enable;
struct ath10k_thread rx_thread;
enum ath10k_hw_rev hw_rev;
u16 dev_id;
diff --git a/drivers/net/wireless/ath/ath10k/snoc.c
b/drivers/net/wireless/ath/ath10k/snoc.c
index 463c34e..f01725b 100644
--- a/drivers/net/wireless/ath/ath10k/snoc.c
+++ b/drivers/net/wireless/ath/ath10k/snoc.c
@@ -26,6 +26,12 @@
#define CE_POLL_PIPE 4
#define ATH10K_SNOC_WAKE_IRQ 2
+static bool ath10k_rx_thread_enable;
+
+module_param_named(rx_thread_enable, ath10k_rx_thread_enable, bool, 0644);
+
+MODULE_PARM_DESC(rx_thread_enable, "Receive packet processing in thread");
+
static char *const ce_name[] = {
"WLAN_CE_0",
"WLAN_CE_1",
@@ -941,7 +947,8 @@ static void ath10k_snoc_hif_stop(struct ath10k *ar)
napi_synchronize(&ar->napi);
napi_disable(&ar->napi);
- ath10k_core_thread_shutdown(ar, &ar->rx_thread);
+ if (ar->rx_thread_enable)
+ ath10k_core_thread_shutdown(ar, &ar->rx_thread);
ath10k_snoc_buffer_cleanup(ar);
ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif stop\n");
}
@@ -954,12 +961,14 @@ static int ath10k_snoc_hif_start(struct ath10k *ar)
bitmap_clear(ar_snoc->pending_ce_irqs, 0, CE_COUNT_MAX);
napi_enable(&ar->napi);
- ret = ath10k_core_thread_init(ar, &ar->rx_thread,
- ath10k_snoc_rx_thread_loop,
- "ath10k_rx_thread");
- if (ret) {
- ath10k_err(ar, "failed to start rx thread\n");
- goto rx_thread_fail;
+ if (ar->rx_thread_enable) {
+ ret = ath10k_core_thread_init(ar, &ar->rx_thread,
+ ath10k_snoc_rx_thread_loop,
+ "ath10k_rx_thread");
+ if (ret) {
+ ath10k_err(ar, "failed to start rx thread\n");
+ goto rx_thread_fail;
+ }
}
ath10k_snoc_irq_enable(ar);
@@ -1693,6 +1702,7 @@ static int ath10k_snoc_probe(struct platform_device *pdev)
}
ar->rx_thread.ar = ar;
+ ar->rx_thread_enable = ath10k_rx_thread_enable;
ar_snoc = ath10k_snoc_priv(ar);
ar_snoc->dev = pdev;
platform_set_drvdata(pdev, ar);
--
2.7.4
