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qca-nss-drv: refactor __nss_hal_request_irq

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refactored the logic in `__nss_hal_request_irq` to use case statements,
with a single call to `netif_napi_add_weight` and `request_irq`.

Signed-off-by: Sean Khan <datapronix@protonmail.com>
This commit is contained in:
Sean Khan 2024-07-02 21:06:57 -04:00
parent cefc1a062d
commit 19f6ecc012
2 changed files with 706 additions and 0 deletions
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353
qca-nss-drv/patches-11.4/0019-nss-drv-reorg-irq-logic.patch Normal file
View File

@ -0,0 +1,353 @@
--- a/nss_hal/ipq807x/nss_hal_pvt.c
+++ b/nss_hal/ipq807x/nss_hal_pvt.c
@@ -64,6 +64,20 @@
#define NSS_NC_AXI_CLK "nss-nc-axi-clk"
/*
+ * N2H interrupts
+ */
+#define NSS_IRQ_NAME_EMPTY_BUF_SOS "nss_empty_buf_sos"
+#define NSS_IRQ_NAME_EMPTY_BUF_QUEUE "nss_empty_buf_queue"
+#define NSS_IRQ_NAME_TX_UNBLOCK "nss-tx-unblock"
+#define NSS_IRQ_NAME_QUEUE0 "nss_queue0"
+#define NSS_IRQ_NAME_QUEUE1 "nss_queue1"
+#define NSS_IRQ_NAME_QUEUE2 "nss_queue2"
+#define NSS_IRQ_NAME_QUEUE3 "nss_queue3"
+#define NSS_IRQ_NAME_COREDUMP_COMPLETE "nss_coredump_complete"
+#define NSS_IRQ_NAME_PAGED_EMPTY_BUF_SOS "nss_paged_empty_buf_sos"
+#define NSS_IRQ_NAME_PROFILE_DMA "nss_profile_dma"
+
+/*
* Voltage values
*/
#define NOMINAL_VOLTAGE 1
@@ -651,74 +665,96 @@ static void __nss_hal_send_interrupt(str
static int __nss_hal_request_irq(struct nss_ctx_instance *nss_ctx, struct nss_platform_data *npd, int irq_num)
{
struct int_ctx_instance *int_ctx = &nss_ctx->int_ctx[irq_num];
+ uint32_t cause, napi_wgt;
int err = -1, irq = npd->irq[irq_num];
+ int (*napi_poll_cb)(struct napi_struct *, int) = NULL;
+ const char *irq_name;
irq_set_status_flags(irq, IRQ_DISABLE_UNLAZY);
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_SOS) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_EMPTY_BUFFERS_SOS;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_empty_buf_sos", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_QUEUE) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_EMPTY_BUFFER_RETURN_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_EMPTY_BUFFER_QUEUE;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_empty_buf_queue", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_TX_UNBLOCKED) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_TX_UNBLOCKED_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_TX_UNBLOCKED;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss-tx-unblock", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_0) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_0;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue0", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_1) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_1;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue1", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_2) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_2;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue2", int_ctx);
- }
+ switch (irq_num) {
+ case NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_SOS:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_EMPTY_BUFFERS_SOS;
+ irq_name = NSS_IRQ_NAME_EMPTY_BUF_SOS;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_QUEUE:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_RETURN_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_EMPTY_BUFFER_QUEUE;
+ irq_name = NSS_IRQ_NAME_EMPTY_BUF_QUEUE;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_TX_UNBLOCKED:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_TX_UNBLOCKED_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_TX_UNBLOCKED;
+ irq_name = NSS_IRQ_NAME_TX_UNBLOCK;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_0:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_0;
+ irq_name = NSS_IRQ_NAME_QUEUE0;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_1:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_1;
+ irq_name = NSS_IRQ_NAME_QUEUE1;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_2:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_2;
+ irq_name = NSS_IRQ_NAME_QUEUE2;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_3:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_3;
+ irq_name = NSS_IRQ_NAME_QUEUE3;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_COREDUMP_COMPLETE:
+ napi_poll_cb = nss_core_handle_napi_emergency;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_COREDUMP_COMPLETE;
+ irq_name = NSS_IRQ_NAME_COREDUMP_COMPLETE;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_PAGED_EMPTY_BUFFER_SOS:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_PAGED_EMPTY_BUFFERS_SOS;
+ irq_name = NSS_IRQ_NAME_PAGED_EMPTY_BUF_SOS;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_PROFILE_DMA:
+ napi_poll_cb = nss_core_handle_napi_sdma;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_PROFILE_DMA;
+ irq_name = NSS_IRQ_NAME_PROFILE_DMA;
+ break;
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_3) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_3;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue3", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_COREDUMP_COMPLETE) {
- int_ctx->cause = NSS_N2H_INTR_COREDUMP_COMPLETE;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_emergency, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_coredump_complete", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_PAGED_EMPTY_BUFFER_SOS) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_PAGED_EMPTY_BUFFERS_SOS;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_paged_empty_buf_sos", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_PROFILE_DMA) {
- int_ctx->cause = NSS_N2H_INTR_PROFILE_DMA;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_sdma, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_profile_dma", int_ctx);
+ default:
+ nss_warning("%px: nss%d: unsupported irq# %d\n", nss_ctx, nss_ctx->id, irq_num);
+ return err;
}
+ netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, napi_poll_cb, napi_wgt);
+ int_ctx->cause = cause;
+ err = request_irq(irq, nss_hal_handle_irq, 0, irq_name, int_ctx);
if (err) {
+ nss_warning("%px: nss%d: request_irq failed for irq# %d\n", nss_ctx, nss_ctx->id, irq_num);
return err;
}
-
int_ctx->irq = irq;
return 0;
}
--- a/nss_hal/ipq60xx/nss_hal_pvt.c
+++ b/nss_hal/ipq60xx/nss_hal_pvt.c
@@ -63,6 +63,20 @@
#define NSS_UTCM_CLK "nss-utcm-clk"
/*
+ * N2H interrupts
+ */
+#define NSS_IRQ_NAME_EMPTY_BUF_SOS "nss_empty_buf_sos"
+#define NSS_IRQ_NAME_EMPTY_BUF_QUEUE "nss_empty_buf_queue"
+#define NSS_IRQ_NAME_TX_UNBLOCK "nss-tx-unblock"
+#define NSS_IRQ_NAME_QUEUE0 "nss_queue0"
+#define NSS_IRQ_NAME_QUEUE1 "nss_queue1"
+#define NSS_IRQ_NAME_QUEUE2 "nss_queue2"
+#define NSS_IRQ_NAME_QUEUE3 "nss_queue3"
+#define NSS_IRQ_NAME_COREDUMP_COMPLETE "nss_coredump_complete"
+#define NSS_IRQ_NAME_PAGED_EMPTY_BUF_SOS "nss_paged_empty_buf_sos"
+#define NSS_IRQ_NAME_PROFILE_DMA "nss_profile_dma"
+
+/*
* Voltage values
*/
#define NOMINAL_VOLTAGE 1
@@ -609,71 +623,94 @@ static void __nss_hal_send_interrupt(str
static int __nss_hal_request_irq(struct nss_ctx_instance *nss_ctx, struct nss_platform_data *npd, int irq_num)
{
struct int_ctx_instance *int_ctx = &nss_ctx->int_ctx[irq_num];
+ uint32_t cause, napi_wgt;
int err = -1, irq = npd->irq[irq_num];
+ int (*napi_poll_cb)(struct napi_struct *, int) = NULL;
+ const char *irq_name;
irq_set_status_flags(irq, IRQ_DISABLE_UNLAZY);
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_SOS) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_EMPTY_BUFFERS_SOS;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_empty_buf_sos", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_QUEUE) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_EMPTY_BUFFER_RETURN_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_EMPTY_BUFFER_QUEUE;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_empty_buf_queue", int_ctx);
- }
+ switch (irq_num) {
+ case NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_SOS:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_EMPTY_BUFFERS_SOS;
+ irq_name = NSS_IRQ_NAME_EMPTY_BUF_SOS;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_QUEUE:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_RETURN_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_EMPTY_BUFFER_QUEUE;
+ irq_name = NSS_IRQ_NAME_EMPTY_BUF_QUEUE;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_TX_UNBLOCKED:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_TX_UNBLOCKED_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_TX_UNBLOCKED;
+ irq_name = NSS_IRQ_NAME_TX_UNBLOCK;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_0:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_0;
+ irq_name = NSS_IRQ_NAME_QUEUE0;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_1:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_1;
+ irq_name = NSS_IRQ_NAME_QUEUE1;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_2:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_2;
+ irq_name = NSS_IRQ_NAME_QUEUE2;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_3:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_3;
+ irq_name = NSS_IRQ_NAME_QUEUE3;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_COREDUMP_COMPLETE:
+ napi_poll_cb = nss_core_handle_napi_emergency;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_COREDUMP_COMPLETE;
+ irq_name = NSS_IRQ_NAME_COREDUMP_COMPLETE;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_PAGED_EMPTY_BUFFER_SOS:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_PAGED_EMPTY_BUFFERS_SOS;
+ irq_name = NSS_IRQ_NAME_PAGED_EMPTY_BUF_SOS;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_PROFILE_DMA:
+ napi_poll_cb = nss_core_handle_napi_sdma;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_PROFILE_DMA;
+ irq_name = NSS_IRQ_NAME_PROFILE_DMA;
+ break;
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_TX_UNBLOCKED) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_TX_UNBLOCKED_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_TX_UNBLOCKED;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss-tx-unblock", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_0) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_0;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue0", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_1) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_1;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue1", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_2) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_2;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue2", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_3) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_3;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue3", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_COREDUMP_COMPLETE) {
- int_ctx->cause = NSS_N2H_INTR_COREDUMP_COMPLETE;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_emergency, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_coredump_complete", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_PAGED_EMPTY_BUFFER_SOS) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_PAGED_EMPTY_BUFFERS_SOS;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_paged_empty_buf_sos", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_PROFILE_DMA) {
- int_ctx->cause = NSS_N2H_INTR_PROFILE_DMA;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_sdma, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_profile_dma", int_ctx);
+ default:
+ nss_warning("%px: nss%d: unsupported irq# %d\n", nss_ctx, nss_ctx->id, irq_num);
+ return err;
}
+ netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, napi_poll_cb, napi_wgt);
+ int_ctx->cause = cause;
+ err = request_irq(irq, nss_hal_handle_irq, 0, irq_name, int_ctx);
if (err) {
+ nss_warning("%px: nss%d: request_irq failed for irq# %d\n", nss_ctx, nss_ctx->id, irq_num);
return err;
}

353
qca-nss-drv/patches/0019-nss-drv-reorg-irq-logic.patch Normal file
View File

@ -0,0 +1,353 @@
--- a/nss_hal/ipq807x/nss_hal_pvt.c
+++ b/nss_hal/ipq807x/nss_hal_pvt.c
@@ -67,6 +67,20 @@
#define NSS_NC_AXI_CLK "nss-nc-axi-clk"
/*
+ * N2H interrupts
+ */
+#define NSS_IRQ_NAME_EMPTY_BUF_SOS "nss_empty_buf_sos"
+#define NSS_IRQ_NAME_EMPTY_BUF_QUEUE "nss_empty_buf_queue"
+#define NSS_IRQ_NAME_TX_UNBLOCK "nss-tx-unblock"
+#define NSS_IRQ_NAME_QUEUE0 "nss_queue0"
+#define NSS_IRQ_NAME_QUEUE1 "nss_queue1"
+#define NSS_IRQ_NAME_QUEUE2 "nss_queue2"
+#define NSS_IRQ_NAME_QUEUE3 "nss_queue3"
+#define NSS_IRQ_NAME_COREDUMP_COMPLETE "nss_coredump_complete"
+#define NSS_IRQ_NAME_PAGED_EMPTY_BUF_SOS "nss_paged_empty_buf_sos"
+#define NSS_IRQ_NAME_PROFILE_DMA "nss_profile_dma"
+
+/*
* Voltage values
*/
#define NOMINAL_VOLTAGE 1
@@ -654,74 +668,96 @@ static void __nss_hal_send_interrupt(str
static int __nss_hal_request_irq(struct nss_ctx_instance *nss_ctx, struct nss_platform_data *npd, int irq_num)
{
struct int_ctx_instance *int_ctx = &nss_ctx->int_ctx[irq_num];
+ uint32_t cause, napi_wgt;
int err = -1, irq = npd->irq[irq_num];
+ int (*napi_poll_cb)(struct napi_struct *, int) = NULL;
+ const char *irq_name;
irq_set_status_flags(irq, IRQ_DISABLE_UNLAZY);
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_SOS) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_EMPTY_BUFFERS_SOS;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_empty_buf_sos", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_QUEUE) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_EMPTY_BUFFER_RETURN_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_EMPTY_BUFFER_QUEUE;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_empty_buf_queue", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_TX_UNBLOCKED) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_TX_UNBLOCKED_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_TX_UNBLOCKED;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss-tx-unblock", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_0) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_0;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue0", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_1) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_1;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue1", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_2) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_2;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue2", int_ctx);
- }
+ switch (irq_num) {
+ case NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_SOS:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_EMPTY_BUFFERS_SOS;
+ irq_name = NSS_IRQ_NAME_EMPTY_BUF_SOS;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_QUEUE:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_RETURN_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_EMPTY_BUFFER_QUEUE;
+ irq_name = NSS_IRQ_NAME_EMPTY_BUF_QUEUE;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_TX_UNBLOCKED:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_TX_UNBLOCKED_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_TX_UNBLOCKED;
+ irq_name = NSS_IRQ_NAME_TX_UNBLOCK;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_0:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_0;
+ irq_name = NSS_IRQ_NAME_QUEUE0;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_1:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_1;
+ irq_name = NSS_IRQ_NAME_QUEUE1;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_2:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_2;
+ irq_name = NSS_IRQ_NAME_QUEUE2;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_3:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_3;
+ irq_name = NSS_IRQ_NAME_QUEUE3;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_COREDUMP_COMPLETE:
+ napi_poll_cb = nss_core_handle_napi_emergency;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_COREDUMP_COMPLETE;
+ irq_name = NSS_IRQ_NAME_COREDUMP_COMPLETE;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_PAGED_EMPTY_BUFFER_SOS:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_PAGED_EMPTY_BUFFERS_SOS;
+ irq_name = NSS_IRQ_NAME_PAGED_EMPTY_BUF_SOS;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_PROFILE_DMA:
+ napi_poll_cb = nss_core_handle_napi_sdma;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_PROFILE_DMA;
+ irq_name = NSS_IRQ_NAME_PROFILE_DMA;
+ break;
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_3) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_3;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue3", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_COREDUMP_COMPLETE) {
- int_ctx->cause = NSS_N2H_INTR_COREDUMP_COMPLETE;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_emergency, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_coredump_complete", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_PAGED_EMPTY_BUFFER_SOS) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_PAGED_EMPTY_BUFFERS_SOS;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_paged_empty_buf_sos", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_PROFILE_DMA) {
- int_ctx->cause = NSS_N2H_INTR_PROFILE_DMA;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_sdma, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_profile_dma", int_ctx);
+ default:
+ nss_warning("%px: nss%d: unsupported irq# %d\n", nss_ctx, nss_ctx->id, irq_num);
+ return err;
}
+ netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, napi_poll_cb, napi_wgt);
+ int_ctx->cause = cause;
+ err = request_irq(irq, nss_hal_handle_irq, 0, irq_name, int_ctx);
if (err) {
+ nss_warning("%px: nss%d: request_irq failed for irq# %d\n", nss_ctx, nss_ctx->id, irq_num);
return err;
}
-
int_ctx->irq = irq;
return 0;
}
--- a/nss_hal/ipq60xx/nss_hal_pvt.c
+++ b/nss_hal/ipq60xx/nss_hal_pvt.c
@@ -64,6 +64,20 @@
#define NSS_UTCM_CLK "nss-utcm-clk"
/*
+ * N2H interrupts
+ */
+#define NSS_IRQ_NAME_EMPTY_BUF_SOS "nss_empty_buf_sos"
+#define NSS_IRQ_NAME_EMPTY_BUF_QUEUE "nss_empty_buf_queue"
+#define NSS_IRQ_NAME_TX_UNBLOCK "nss-tx-unblock"
+#define NSS_IRQ_NAME_QUEUE0 "nss_queue0"
+#define NSS_IRQ_NAME_QUEUE1 "nss_queue1"
+#define NSS_IRQ_NAME_QUEUE2 "nss_queue2"
+#define NSS_IRQ_NAME_QUEUE3 "nss_queue3"
+#define NSS_IRQ_NAME_COREDUMP_COMPLETE "nss_coredump_complete"
+#define NSS_IRQ_NAME_PAGED_EMPTY_BUF_SOS "nss_paged_empty_buf_sos"
+#define NSS_IRQ_NAME_PROFILE_DMA "nss_profile_dma"
+
+/*
* Voltage values
*/
#define NOMINAL_VOLTAGE 1
@@ -610,71 +624,94 @@ static void __nss_hal_send_interrupt(str
static int __nss_hal_request_irq(struct nss_ctx_instance *nss_ctx, struct nss_platform_data *npd, int irq_num)
{
struct int_ctx_instance *int_ctx = &nss_ctx->int_ctx[irq_num];
+ uint32_t cause, napi_wgt;
int err = -1, irq = npd->irq[irq_num];
+ int (*napi_poll_cb)(struct napi_struct *, int) = NULL;
+ const char *irq_name;
irq_set_status_flags(irq, IRQ_DISABLE_UNLAZY);
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_SOS) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_EMPTY_BUFFERS_SOS;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_empty_buf_sos", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_QUEUE) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_EMPTY_BUFFER_RETURN_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_EMPTY_BUFFER_QUEUE;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_empty_buf_queue", int_ctx);
- }
+ switch (irq_num) {
+ case NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_SOS:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_EMPTY_BUFFERS_SOS;
+ irq_name = NSS_IRQ_NAME_EMPTY_BUF_SOS;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_EMPTY_BUFFER_QUEUE:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_RETURN_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_EMPTY_BUFFER_QUEUE;
+ irq_name = NSS_IRQ_NAME_EMPTY_BUF_QUEUE;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_TX_UNBLOCKED:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_TX_UNBLOCKED_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_TX_UNBLOCKED;
+ irq_name = NSS_IRQ_NAME_TX_UNBLOCK;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_0:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_0;
+ irq_name = NSS_IRQ_NAME_QUEUE0;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_1:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_1;
+ irq_name = NSS_IRQ_NAME_QUEUE1;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_2:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_2;
+ irq_name = NSS_IRQ_NAME_QUEUE2;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_3:
+ napi_poll_cb = nss_core_handle_napi_queue;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_DATA_QUEUE_3;
+ irq_name = NSS_IRQ_NAME_QUEUE3;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_COREDUMP_COMPLETE:
+ napi_poll_cb = nss_core_handle_napi_emergency;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_COREDUMP_COMPLETE;
+ irq_name = NSS_IRQ_NAME_COREDUMP_COMPLETE;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_PAGED_EMPTY_BUFFER_SOS:
+ napi_poll_cb = nss_core_handle_napi_non_queue;
+ napi_wgt = NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_PAGED_EMPTY_BUFFERS_SOS;
+ irq_name = NSS_IRQ_NAME_PAGED_EMPTY_BUF_SOS;
+ break;
+
+ case NSS_HAL_N2H_INTR_PURPOSE_PROFILE_DMA:
+ napi_poll_cb = nss_core_handle_napi_sdma;
+ napi_wgt = NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT;
+ cause = NSS_N2H_INTR_PROFILE_DMA;
+ irq_name = NSS_IRQ_NAME_PROFILE_DMA;
+ break;
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_TX_UNBLOCKED) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_TX_UNBLOCKED_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_TX_UNBLOCKED;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss-tx-unblock", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_0) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_0;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue0", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_1) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_1;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue1", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_2) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_2;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue2", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_DATA_QUEUE_3) {
- int_ctx->cause = NSS_N2H_INTR_DATA_QUEUE_3;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_queue, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_queue3", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_COREDUMP_COMPLETE) {
- int_ctx->cause = NSS_N2H_INTR_COREDUMP_COMPLETE;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_emergency, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_coredump_complete", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_PAGED_EMPTY_BUFFER_SOS) {
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_non_queue, NSS_EMPTY_BUFFER_SOS_PROCESSING_WEIGHT);
- int_ctx->cause = NSS_N2H_INTR_PAGED_EMPTY_BUFFERS_SOS;
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_paged_empty_buf_sos", int_ctx);
- }
-
- if (irq_num == NSS_HAL_N2H_INTR_PURPOSE_PROFILE_DMA) {
- int_ctx->cause = NSS_N2H_INTR_PROFILE_DMA;
- netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, nss_core_handle_napi_sdma, NSS_DATA_COMMAND_BUFFER_PROCESSING_WEIGHT);
- err = request_irq(irq, nss_hal_handle_irq, 0, "nss_profile_dma", int_ctx);
+ default:
+ nss_warning("%px: nss%d: unsupported irq# %d\n", nss_ctx, nss_ctx->id, irq_num);
+ return err;
}
+ netif_napi_add_weight(&nss_ctx->napi_ndev, &int_ctx->napi, napi_poll_cb, napi_wgt);
+ int_ctx->cause = cause;
+ err = request_irq(irq, nss_hal_handle_irq, 0, irq_name, int_ctx);
if (err) {
+ nss_warning("%px: nss%d: request_irq failed for irq# %d\n", nss_ctx, nss_ctx->id, irq_num);
return err;
}