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Commit d44a3ced authored by Sudarsana Reddy Kalluru's avatar Sudarsana Reddy Kalluru Committed by David S. Miller
Browse files

qede: Add support for reading the config id attributes. 



Add driver support for dumping the config id attributes via ethtool dump
interfaces.

Signed-off-by: default avatarSudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: default avatarAriel Elior <aelior@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2d4c8495

drivers/net/ethernet/qlogic/qede/qede.h

+14 −0
Original line number Diff line number Diff line
@@ -177,6 +177,19 @@ enum qede_flags_bit { 
	QEDE_FLAGS_TX_TIMESTAMPING_EN

};



#define QEDE_DUMP_MAX_ARGS 4

enum qede_dump_cmd {

	QEDE_DUMP_CMD_NONE = 0,

	QEDE_DUMP_CMD_NVM_CFG,

	QEDE_DUMP_CMD_MAX

};



struct qede_dump_info {

	enum qede_dump_cmd cmd;

	u8 num_args;

	u32 args[QEDE_DUMP_MAX_ARGS];

};



struct qede_dev {

	struct qed_dev			*cdev;

	struct net_device		*ndev;
@@ -262,6 +275,7 @@ struct qede_dev { 
	struct qede_rdma_dev		rdma_info;



	struct bpf_prog *xdp_prog;

	struct qede_dump_info		dump_info;

};



enum QEDE_STATE {

drivers/net/ethernet/qlogic/qede/qede_ethtool.c

+89 −0
Original line number Diff line number Diff line
@@ -48,6 +48,9 @@ 
	 {QEDE_RQSTAT_OFFSET(stat_name), QEDE_RQSTAT_STRING(stat_name)}



#define QEDE_SELFTEST_POLL_COUNT 100

#define QEDE_DUMP_VERSION	0x1

#define QEDE_DUMP_NVM_BUF_LEN	32

#define QEDE_DUMP_NVM_ARG_COUNT	2



static const struct {

	u64 offset;
@@ -1973,6 +1976,89 @@ static int qede_get_module_eeprom(struct net_device *dev, 
	return rc;

}



static int qede_set_dump(struct net_device *dev, struct ethtool_dump *val)

{

	struct qede_dev *edev = netdev_priv(dev);

	int rc = 0;



	if (edev->dump_info.cmd == QEDE_DUMP_CMD_NONE) {

		if (val->flag > QEDE_DUMP_CMD_MAX) {

			DP_ERR(edev, "Invalid command %d\n", val->flag);

			return -EINVAL;

		}

		edev->dump_info.cmd = val->flag;

		edev->dump_info.num_args = 0;

		return 0;

	}



	if (edev->dump_info.num_args == QEDE_DUMP_MAX_ARGS) {

		DP_ERR(edev, "Arg count = %d\n", edev->dump_info.num_args);

		return -EINVAL;

	}



	switch (edev->dump_info.cmd) {

	case QEDE_DUMP_CMD_NVM_CFG:

		edev->dump_info.args[edev->dump_info.num_args] = val->flag;

		edev->dump_info.num_args++;

		break;

	default:

		break;

	}



	return rc;

}



static int qede_get_dump_flag(struct net_device *dev,

			      struct ethtool_dump *dump)

{

	struct qede_dev *edev = netdev_priv(dev);



	dump->version = QEDE_DUMP_VERSION;

	switch (edev->dump_info.cmd) {

	case QEDE_DUMP_CMD_NVM_CFG:

		dump->flag = QEDE_DUMP_CMD_NVM_CFG;

		dump->len = QEDE_DUMP_NVM_BUF_LEN;

		break;

	default:

		break;

	}



	DP_VERBOSE(edev, QED_MSG_DEBUG,

		   "dump->version = 0x%x dump->flag = %d dump->len = %d\n",

		   dump->version, dump->flag, dump->len);

	return 0;

}



static int qede_get_dump_data(struct net_device *dev,

			      struct ethtool_dump *dump, void *buf)

{

	struct qede_dev *edev = netdev_priv(dev);

	int rc;



	switch (edev->dump_info.cmd) {

	case QEDE_DUMP_CMD_NVM_CFG:

		if (edev->dump_info.num_args != QEDE_DUMP_NVM_ARG_COUNT) {

			DP_ERR(edev, "Arg count = %d required = %d\n",

			       edev->dump_info.num_args,

			       QEDE_DUMP_NVM_ARG_COUNT);

			return -EINVAL;

		}

		rc =  edev->ops->common->read_nvm_cfg(edev->cdev, (u8 **)&buf,

						      edev->dump_info.args[0],

						      edev->dump_info.args[1]);

		break;

	default:

		DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd);

		rc = -EINVAL;

		break;

	}



	edev->dump_info.cmd = QEDE_DUMP_CMD_NONE;

	edev->dump_info.num_args = 0;



	return rc;

}



static const struct ethtool_ops qede_ethtool_ops = {

	.get_link_ksettings = qede_get_link_ksettings,

	.set_link_ksettings = qede_set_link_ksettings,
@@ -2014,6 +2100,9 @@ static const struct ethtool_ops qede_ethtool_ops = { 
	.get_tunable = qede_get_tunable,

	.set_tunable = qede_set_tunable,

	.flash_device = qede_flash_device,

	.get_dump_flag = qede_get_dump_flag,

	.get_dump_data = qede_get_dump_data,

	.set_dump = qede_set_dump,

};



static const struct ethtool_ops qede_vf_ethtool_ops = {