@@ -584,6 +584,75 @@ static void rtase_hw_start(const struct net_device *dev)
rtase_enable_hw_interrupt(tp);
}
+/* the interrupt handler does RXQ0 and TXQ0, TXQ4~7 interrutp status
+ */
+static irqreturn_t rtase_interrupt(int irq, void *dev_instance)
+{
+ const struct rtase_private *tp;
+ struct rtase_int_vector *ivec;
+ u32 status;
+
+ ivec = dev_instance;
+ tp = ivec->tp;
+ status = rtase_r32(tp, ivec->isr_addr);
+
+ rtase_w32(tp, ivec->imr_addr, 0x0);
+ rtase_w32(tp, ivec->isr_addr, status & ~RTASE_FOVW);
+
+ if (napi_schedule_prep(&ivec->napi))
+ __napi_schedule(&ivec->napi);
+
+ return IRQ_HANDLED;
+}
+
+/* the interrupt handler does RXQ1&TXQ1 or RXQ2&TXQ2 or RXQ3&TXQ3 interrupt
+ * status according to interrupt vector
+ */
+static irqreturn_t rtase_q_interrupt(int irq, void *dev_instance)
+{
+ const struct rtase_private *tp;
+ struct rtase_int_vector *ivec;
+ u16 status;
+
+ ivec = dev_instance;
+ tp = ivec->tp;
+ status = rtase_r16(tp, ivec->isr_addr);
+
+ rtase_w16(tp, ivec->imr_addr, 0x0);
+ rtase_w16(tp, ivec->isr_addr, status);
+
+ if (napi_schedule_prep(&ivec->napi))
+ __napi_schedule(&ivec->napi);
+
+ return IRQ_HANDLED;
+}
+
+static int rtase_poll(struct napi_struct *napi, int budget)
+{
+ const struct rtase_int_vector *ivec;
+ const struct rtase_private *tp;
+ struct rtase_ring *ring;
+ int total_workdone = 0;
+
+ ivec = container_of(napi, struct rtase_int_vector, napi);
+ tp = ivec->tp;
+
+ list_for_each_entry(ring, &ivec->ring_list, ring_entry)
+ total_workdone += ring->ring_handler(ring, budget);
+
+ if (total_workdone >= budget)
+ return budget;
+
+ if (napi_complete_done(napi, total_workdone)) {
+ if (!ivec->index)
+ rtase_w32(tp, ivec->imr_addr, ivec->imr);
+ else
+ rtase_w16(tp, ivec->imr_addr, ivec->imr);
+ }
+
+ return total_workdone;
+}
+
static int rtase_open(struct net_device *dev)
{
struct rtase_private *tp = netdev_priv(dev);
1. Implement rtase_interrupt to handle txQ0/rxQ0, txQ4~txQ7 interrupts, and implement rtase_q_interrupt to handle txQ1/rxQ1, txQ2/rxQ2 and txQ3/rxQ3 interrupts. 2. Implement rtase_poll to call ring_handler to process the tx or rx packet of each ring. If the returned value is budget,it means that there is still work of a certain ring that has not yet been completed. Signed-off-by: Justin Lai <justinlai0215@realtek.com> --- .../net/ethernet/realtek/rtase/rtase_main.c | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+)