Files
linux-nv-oot/drivers/net/ethernet/nvidia/nvethernet/ether_linux.h
Rakesh Goyal 0975ee4989 nvethernet: fix common irq free path
issue: freeing common irq in ether_free_irqs without check

fix: Use mask for common interrupt as well so it can be used to
check before freeing irq

Bug 200512422

Change-Id: I694ba983658fae3da6948ceda18d24c11f08d458
Signed-off-by: Rakesh Goyal <rgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2081600
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2022-11-01 14:27:07 +05:30

140 lines
3.9 KiB
C

/*
* Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ETHER_LINUX_H
#define ETHER_LINUX_H
#include <linux/platform_device.h>
#include <linux/etherdevice.h>
#include <linux/interrupt.h>
#include <linux/of_gpio.h>
#include <linux/of_mdio.h>
#include <linux/if_vlan.h>
#include <linux/of_net.h>
#include <linux/module.h>
#include <linux/reset.h>
#include <linux/slab.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/of.h>
#include <osi_core.h>
#include <osi_dma.h>
#define ETHER_MAX_IRQS 4
#define ETHER_IRQ_MAX_IDX 8
#define ETHER_IRQ_NAME_SZ 32
/**
* struct ether_tx_napi - DMA Transmit Channel NAPI
* @chan: Transmit channel number
* @pdata: OSD private data
* @napi: NAPI instance associated with transmit channel
*/
struct ether_tx_napi {
unsigned int chan;
struct ether_priv_data *pdata;
struct napi_struct napi;
};
/**
* struct ether_rx_napi - DMA Receive Channel NAPI
* @chan: Receive channel number
* @pdata: OSD Private data
* @napi: NAPI instance associated with receive channel
*/
struct ether_rx_napi {
unsigned int chan;
struct ether_priv_data *pdata;
struct napi_struct napi;
};
/**
* struct ether_priv_data - Ethernet driver private data
* @osi_core: OSI core private data
* @osi_dma: OSI DMA private data
* @hwfeat: HW supported feature list
* @tx_napi: Array of DMA Transmit channel NAPI
* @rx_napi: Array of DMA Receive channel NAPI
* @ndev: Network device associated with driver
* @dev: Base device associated with driver
* @mac_rst: Reset for the MAC
* @pllrefe_clk: PLLREFE clock
* @axi_clk: Clock from AXI
* @axi_cbb_clk: Clock from AXI CBB
* @rx_clk: Receive clock (which will be driven from the PHY)
* @ptp_ref_clk: PTP reference clock from AXI
* @tx_clk: Transmit clock
* @phy_node: Pointer to PHY device tree node
* @mdio_node: Pointer to MDIO device tree node
* @mii: Pointer to MII bus instance
* @phydev: Pointer to the PHY device
* @interface: Interface type assciated with MAC (SGMII/RGMII/...)
* this information will be provided with phy-mode DT
* entry
* @oldlink: Previous detected link
* @speed: PHY link speed
* @oldduplex: Previous detected mode
* @phy_reset: Reset for PHY
* @rx_irq_alloc_mask: Tx IRQ alloc mask
* @tx_irq_alloc_mask: Rx IRQ alloc mask
* @common_irq: Common IRQ number for MAC
* @tx_irqs: Array of DMA Transmit channel IRQ numbers
* @rx_irqs: Array of DMA Receive channel IRQ numbers
* dma_mask: memory allocation mask
*/
struct ether_priv_data {
struct osi_core_priv_data *osi_core;
struct osi_dma_priv_data *osi_dma;
struct osi_hw_features hw_feat;
struct ether_tx_napi *tx_napi[OSI_EQOS_MAX_NUM_CHANS];
struct ether_rx_napi *rx_napi[OSI_EQOS_MAX_NUM_CHANS];
struct net_device *ndev;
struct device *dev;
struct reset_control *mac_rst;
struct clk *pllrefe_clk;
struct clk *axi_clk;
struct clk *axi_cbb_clk;
struct clk *rx_clk;
struct clk *ptp_ref_clk;
struct clk *tx_clk;
struct device_node *phy_node;
struct device_node *mdio_node;
struct mii_bus *mii;
struct phy_device *phydev;
int interface;
unsigned int oldlink;
int speed;
int oldduplex;
int phy_reset;
unsigned int rx_irq_alloc_mask;
unsigned int tx_irq_alloc_mask;
unsigned int common_irq_alloc_mask;
int common_irq;
int tx_irqs[ETHER_MAX_IRQS];
int rx_irqs[ETHER_MAX_IRQS];
unsigned long long dma_mask;
};
void ether_set_ethtool_ops(struct net_device *ndev);
#endif /* ETHER_LINUX_H */