sfc_ef100: process events for MCDI completions (5e4ef673) · Commits · 戴 / test

drivers/net/ethernet/sfc/ef100_nic.c

+56 −1

Original line number	Diff line number	Diff line
		@@ -160,7 +160,62 @@ static void ef100_ev_read_ack(struct efx_channel *channel)

		static int ef100_ev_process(struct efx_channel *channel, int quota)
		{
		struct efx_nic *efx = channel->efx;
		struct ef100_nic_data *nic_data;
		bool evq_phase, old_evq_phase;
		unsigned int read_ptr;
		efx_qword_t *p_event;
		int spent = 0;
		bool ev_phase;
		int ev_type;

		if (unlikely(!channel->enabled))
		return 0;

		nic_data = efx->nic_data;
		evq_phase = test_bit(channel->channel, nic_data->evq_phases);
		old_evq_phase = evq_phase;
		read_ptr = channel->eventq_read_ptr;
		BUILD_BUG_ON(ESF_GZ_EV_RXPKTS_PHASE_LBN != ESF_GZ_EV_TXCMPL_PHASE_LBN);

		while (spent < quota) {
		p_event = efx_event(channel, read_ptr);

		ev_phase = !!EFX_QWORD_FIELD(*p_event, ESF_GZ_EV_RXPKTS_PHASE);
		if (ev_phase != evq_phase)
		break;

		netif_vdbg(efx, drv, efx->net_dev,
		"processing event on %d " EFX_QWORD_FMT "\n",
		channel->channel, EFX_QWORD_VAL(*p_event));

		ev_type = EFX_QWORD_FIELD(*p_event, ESF_GZ_E_TYPE);

		switch (ev_type) {
		case ESE_GZ_EF100_EV_MCDI:
		efx_mcdi_process_event(channel, p_event);
		break;
		case ESE_GZ_EF100_EV_DRIVER:
		netif_info(efx, drv, efx->net_dev,
		"Driver initiated event " EFX_QWORD_FMT "\n",
		EFX_QWORD_VAL(*p_event));
		break;
		default:
		netif_info(efx, drv, efx->net_dev,
		"Unhandled event " EFX_QWORD_FMT "\n",
		EFX_QWORD_VAL(*p_event));
		}

		++read_ptr;
		if ((read_ptr & channel->eventq_mask) == 0)
		evq_phase = !evq_phase;
		}

		channel->eventq_read_ptr = read_ptr;
		if (evq_phase != old_evq_phase)
		change_bit(channel->channel, nic_data->evq_phases);

		return spent;
		}

		static irqreturn_t ef100_msi_interrupt(int irq, void *dev_id)

Admin message