sfc_ef100: reset-handling stub (c027f2a7) · Commits · 戴 / test

drivers/net/ethernet/sfc/ef100_nic.c

+50 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,8 @@

		#define EF100_MAX_VIS 4096

		#define EF100_RESET_PORT ((ETH_RESET_MAC \| ETH_RESET_PHY) << ETH_RESET_SHARED_SHIFT)

		/* MCDI
		*/
		static int ef100_get_warm_boot_count(struct efx_nic *efx)
		@@ -75,6 +77,51 @@ static irqreturn_t ef100_msi_interrupt(int irq, void *dev_id)
		return IRQ_HANDLED;
		}

		/* Other
		*/

		static enum reset_type ef100_map_reset_reason(enum reset_type reason)
		{
		if (reason == RESET_TYPE_TX_WATCHDOG)
		return reason;
		return RESET_TYPE_DISABLE;
		}

		static int ef100_map_reset_flags(u32 *flags)
		{
		/* Only perform a RESET_TYPE_ALL because we don't support MC_REBOOTs */
		if ((*flags & EF100_RESET_PORT)) {
		*flags &= ~EF100_RESET_PORT;
		return RESET_TYPE_ALL;
		}
		if (*flags & ETH_RESET_MGMT) {
		*flags &= ~ETH_RESET_MGMT;
		return RESET_TYPE_DISABLE;
		}

		return -EINVAL;
		}

		static int ef100_reset(struct efx_nic *efx, enum reset_type reset_type)
		{
		int rc;

		dev_close(efx->net_dev);

		if (reset_type == RESET_TYPE_TX_WATCHDOG) {
		netif_device_attach(efx->net_dev);
		__clear_bit(reset_type, &efx->reset_pending);
		rc = dev_open(efx->net_dev, NULL);
		} else if (reset_type == RESET_TYPE_ALL) {
		netif_device_attach(efx->net_dev);

		rc = dev_open(efx->net_dev, NULL);
		} else {
		rc = 1; /* Leave the device closed */
		}
		return rc;
		}

		/* NIC level access functions
		*/
		const struct efx_nic_type ef100_pf_nic_type = {
		@@ -86,6 +133,9 @@ const struct efx_nic_type ef100_pf_nic_type = {
		.irq_disable_non_ev = efx_port_dummy_op_void,
		.push_irq_moderation = efx_channel_dummy_op_void,
		.min_interrupt_mode = EFX_INT_MODE_MSIX,
		.map_reset_reason = ef100_map_reset_reason,
		.map_reset_flags = ef100_map_reset_flags,
		.reset = ef100_reset,

		.ev_probe = ef100_ev_probe,
		.irq_handle_msi = ef100_msi_interrupt,

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