net: lan743x: Increase MSI(x) vectors to 16 and Int de-assertion timers to 10

Increase MSI / MSI-X vectors supported from 8 to 16 and
Interrupt De-assertion timers from 8 to 10

Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c
index dc5f77bb525eb75c3c02da4a0f3eafd6b8c28f95..814d825e3deb67c6f2a3504e536b27c7366f5a94 100644 (file)
--- a/drivers/net/ethernet/microchip/lan743x_main.c
+++ b/drivers/net/ethernet/microchip/lan743x_main.c
@@ -422,7 +422,7 @@ static u32 lan743x_intr_get_vector_flags(struct lan743x_adapter *adapter,
 {
        int index;
 
-       for (index = 0; index < LAN743X_MAX_VECTOR_COUNT; index++) {
+       for (index = 0; index < adapter->max_vector_count; index++) {
                if (adapter->intr.vector_list[index].int_mask & int_mask)
                        return adapter->intr.vector_list[index].flags;
        }
@@ -435,9 +435,12 @@ static void lan743x_intr_close(struct lan743x_adapter *adapter)
        int index = 0;
 
        lan743x_csr_write(adapter, INT_EN_CLR, INT_BIT_MAS_);
-       lan743x_csr_write(adapter, INT_VEC_EN_CLR, 0x000000FF);
+       if (adapter->is_pci11x1x)
+               lan743x_csr_write(adapter, INT_VEC_EN_CLR, 0x0000FFFF);
+       else
+               lan743x_csr_write(adapter, INT_VEC_EN_CLR, 0x000000FF);
 
-       for (index = 0; index < LAN743X_MAX_VECTOR_COUNT; index++) {
+       for (index = 0; index < intr->number_of_vectors; index++) {
                if (intr->flags & INTR_FLAG_IRQ_REQUESTED(index)) {
                        lan743x_intr_unregister_isr(adapter, index);
                        intr->flags &= ~INTR_FLAG_IRQ_REQUESTED(index);
@@ -457,10 +460,11 @@ static void lan743x_intr_close(struct lan743x_adapter *adapter)
 
 static int lan743x_intr_open(struct lan743x_adapter *adapter)
 {
-       struct msix_entry msix_entries[LAN743X_MAX_VECTOR_COUNT];
+       struct msix_entry msix_entries[PCI11X1X_MAX_VECTOR_COUNT];
        struct lan743x_intr *intr = &adapter->intr;
        unsigned int used_tx_channels;
        u32 int_vec_en_auto_clr = 0;
+       u8 max_vector_count;
        u32 int_vec_map0 = 0;
        u32 int_vec_map1 = 0;
        int ret = -ENODEV;
@@ -470,9 +474,10 @@ static int lan743x_intr_open(struct lan743x_adapter *adapter)
        intr->number_of_vectors = 0;
 
        /* Try to set up MSIX interrupts */
+       max_vector_count = adapter->max_vector_count;
        memset(&msix_entries[0], 0,
-              sizeof(struct msix_entry) * LAN743X_MAX_VECTOR_COUNT);
-       for (index = 0; index < LAN743X_MAX_VECTOR_COUNT; index++)
+              sizeof(struct msix_entry) * max_vector_count);
+       for (index = 0; index < max_vector_count; index++)
                msix_entries[index].entry = index;
        used_tx_channels = adapter->used_tx_channels;
        ret = pci_enable_msix_range(adapter->pdev,
@@ -570,8 +575,15 @@ static int lan743x_intr_open(struct lan743x_adapter *adapter)
                lan743x_csr_write(adapter, INT_MOD_CFG5, LAN743X_INT_MOD);
                lan743x_csr_write(adapter, INT_MOD_CFG6, LAN743X_INT_MOD);
                lan743x_csr_write(adapter, INT_MOD_CFG7, LAN743X_INT_MOD);
-               lan743x_csr_write(adapter, INT_MOD_MAP0, 0x00005432);
-               lan743x_csr_write(adapter, INT_MOD_MAP1, 0x00000001);
+               if (adapter->is_pci11x1x) {
+                       lan743x_csr_write(adapter, INT_MOD_CFG8, LAN743X_INT_MOD);
+                       lan743x_csr_write(adapter, INT_MOD_CFG9, LAN743X_INT_MOD);
+                       lan743x_csr_write(adapter, INT_MOD_MAP0, 0x00007654);
+                       lan743x_csr_write(adapter, INT_MOD_MAP1, 0x00003210);
+               } else {
+                       lan743x_csr_write(adapter, INT_MOD_MAP0, 0x00005432);
+                       lan743x_csr_write(adapter, INT_MOD_MAP1, 0x00000001);
+               }
                lan743x_csr_write(adapter, INT_MOD_MAP2, 0x00FFFFFF);
        }
 
@@ -646,7 +658,7 @@ static int lan743x_intr_open(struct lan743x_adapter *adapter)
                                LAN743X_VECTOR_FLAG_SOURCE_STATUS_AUTO_CLEAR;
                }
                for (index = 0; index < number_of_rx_vectors; index++) {
-                       int vector = index + 1 + LAN743X_USED_TX_CHANNELS;
+                       int vector = index + 1 + used_tx_channels;
                        u32 int_bit = INT_BIT_DMA_RX_(index);
 
                        /* map RX interrupt to vector */
@@ -2731,9 +2743,11 @@ static int lan743x_hardware_init(struct lan743x_adapter *adapter,
        if (adapter->is_pci11x1x) {
                adapter->max_tx_channels = PCI11X1X_MAX_TX_CHANNELS;
                adapter->used_tx_channels = PCI11X1X_USED_TX_CHANNELS;
+               adapter->max_vector_count = PCI11X1X_MAX_VECTOR_COUNT;
        } else {
                adapter->max_tx_channels = LAN743X_MAX_TX_CHANNELS;
                adapter->used_tx_channels = LAN743X_USED_TX_CHANNELS;
+               adapter->max_vector_count = LAN743X_MAX_VECTOR_COUNT;
        }
 
        adapter->intr.irq = adapter->pdev->irq;

diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/ethernet/microchip/lan743x_main.h
index f2fa33357c17f6f85f156bab79b7eb75e9d65505..9a3ac9df420957d8594ecdcb2d3db4670615bd47 100644 (file)
--- a/drivers/net/ethernet/microchip/lan743x_main.h
+++ b/drivers/net/ethernet/microchip/lan743x_main.h
@@ -266,6 +266,8 @@
 #define INT_MOD_CFG5                   (0x7D4)
 #define INT_MOD_CFG6                   (0x7D8)
 #define INT_MOD_CFG7                   (0x7DC)
+#define INT_MOD_CFG8                   (0x7E0)
+#define INT_MOD_CFG9                   (0x7E4)
 
 #define PTP_CMD_CTL                                    (0x0A00)
 #define PTP_CMD_CTL_PTP_CLK_STP_NSEC_                  BIT(6)
@@ -619,13 +621,14 @@ struct lan743x_vector {
 };
 
 #define LAN743X_MAX_VECTOR_COUNT       (8)
+#define PCI11X1X_MAX_VECTOR_COUNT      (16)
 
 struct lan743x_intr {
        int                     flags;
 
        unsigned int            irq;
 
-       struct lan743x_vector   vector_list[LAN743X_MAX_VECTOR_COUNT];
+       struct lan743x_vector   vector_list[PCI11X1X_MAX_VECTOR_COUNT];
        int                     number_of_vectors;
        bool                    using_vectors;
 
@@ -738,6 +741,7 @@ struct lan743x_adapter {
        bool                    is_pci11x1x;
        u8                      max_tx_channels;
        u8                      used_tx_channels;
+       u8                      max_vector_count;
 
 #define LAN743X_ADAPTER_FLAG_OTP               BIT(0)
        u32                     flags;