Commit 441ba482 authored by gu.huiguang's avatar gu.huiguang Committed by guhg
Browse files

mucse: ethtool -S and ethtool -x/X for mucse rnpm drvier 

mucse inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I9FT9Y


CVE: NA

------------------------------------

1.rnpm driver for MUCSE N10/N400 chips occur crash when input
ethtool -S, this caused by BUG_ON.
2.support rss setup, ethtool -x/X

Fixes: 5deaf74c ("drivers: initial support for rnpm drivers from Mucse Technology")

Signed-off-by: default avatarguhuiguang <guhuiguang@mucse.com>
parent 8085a8c7

drivers/net/ethernet/mucse/rnpm/rnpm_ethtool.c

+146 −17
Original line number Diff line number Diff line
@@ -39,26 +39,9 @@ struct rnpm_stats { 
 * used because we do not have a good way to get the max number of

 * rx queues with CONFIG_RPS disabled.

 */

#ifdef HAVE_TX_MQ

#ifdef HAVE_NETDEV_SELECT_QUEUE

#ifdef NO_REAL_QUEUE_NUM

#define RNPM_NUM_RX_QUEUES adapter->num_tx_queues

#define RNPM_NUM_TX_QUEUES adapter->num_tx_queues

#else

#define RNPM_NUM_RX_QUEUES netdev->real_num_rx_queues

#define RNPM_NUM_TX_QUEUES netdev->real_num_tx_queues



#endif /* NO_REAL_QUEUE_NUM */

#else

#define RNPM_NUM_RX_QUEUES adapter->indices

#define RNPM_NUM_TX_QUEUES adapter->indices

#endif /* HAVE_NETDEV_SELECT_QUEUE */

#else /* HAVE_TX_MQ */

#define RNPM_NUM_TX_QUEUES 1

#define RNPM_NUM_RX_QUEUES                                                     \

	(((struct rnpm_adapter *)netdev_priv(netdev))->num_rx_queues)

#endif /* HAVE_TX_MQ */



#define RNPM_NETDEV_STAT(_net_stat)                                            \

	{                                                                      \

		.stat_string = #_net_stat,                                     \
@@ -2838,6 +2821,150 @@ rnpm_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 
	return 0;

}



/**

 * rnpm_get_rss_hash_opts - Get RSS hash Input Set for each flow type

 * @pf: pointer to the physical function struct

 * @cmd: ethtool rxnfc command

 *

 * Returns Success if the flow is supported, else Invalid Input.

 **/

static int rnpm_get_rss_hash_opts(struct rnpm_adapter *adapter,

				  struct ethtool_rxnfc *cmd)

{

	cmd->data = 0;



	/* Report default options for RSS on rnpm */

	switch (cmd->flow_type) {

	case TCP_V4_FLOW:

		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;

		fallthrough;

	case UDP_V4_FLOW:

	case SCTP_V4_FLOW:

		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;

		fallthrough;

	case AH_ESP_V4_FLOW:

	case AH_V4_FLOW:

	case ESP_V4_FLOW:

	case IPV4_FLOW:

		cmd->data |= RXH_IP_SRC | RXH_IP_DST;

		break;

	case TCP_V6_FLOW:

		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;

		fallthrough;

	case UDP_V6_FLOW:

	case SCTP_V6_FLOW:

		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;

		fallthrough;

	case AH_ESP_V6_FLOW:

	case AH_V6_FLOW:

	case ESP_V6_FLOW:

	case IPV6_FLOW:

		cmd->data |= RXH_IP_SRC | RXH_IP_DST;

		break;

	default:

		return -EINVAL;

	}

	return 0;

}



static int rnpm_set_rss_hash_opt(struct rnpm_adapter *adapter,

				 struct ethtool_rxnfc *nfc)

{

	if (nfc->data &

	    ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3))

		return -EINVAL;



	switch (nfc->flow_type) {

	case TCP_V4_FLOW:

	case TCP_V6_FLOW:

	case UDP_V4_FLOW:

	case UDP_V6_FLOW:

		if (!(nfc->data & RXH_IP_SRC) || !(nfc->data & RXH_IP_DST) ||

		    !(nfc->data & RXH_L4_B_0_1) || !(nfc->data & RXH_L4_B_2_3))

			return -EINVAL;

		break;

	case AH_ESP_V4_FLOW:

	case AH_V4_FLOW:

	case ESP_V4_FLOW:

	case SCTP_V4_FLOW:

	case AH_ESP_V6_FLOW:

	case AH_V6_FLOW:

	case ESP_V6_FLOW:

	case SCTP_V6_FLOW:

		if (!(nfc->data & RXH_IP_SRC) || !(nfc->data & RXH_IP_DST) ||

		    (nfc->data & RXH_L4_B_0_1) || (nfc->data & RXH_L4_B_2_3))

			return -EINVAL;

		break;

	default:

		return -EINVAL;

	}



	return 0;

}



/**

 * rnpm_get_rxnfc - command to get RX flow classification rules

 * @netdev: network interface device structure

 * @cmd: ethtool rxnfc command

 * @rule_locs: pointer to store rule data

 *

 * Returns Success if the command is supported.

 **/

static int rnpm_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,

			  u32 *rule_locs)

{

	struct rnpm_adapter *adapter = netdev_priv(dev);

	int ret = -EOPNOTSUPP;



	switch (cmd->cmd) {

	case ETHTOOL_GRXRINGS:

		cmd->data = adapter->num_rx_queues;

		ret = 0;

		break;

	case ETHTOOL_GRXCLSRLCNT:

		cmd->rule_cnt = adapter->fdir_filter_count;

		ret = 0;

		break;

	case ETHTOOL_GRXCLSRULE:

		break;

	case ETHTOOL_GRXCLSRLALL:

		break;

	case ETHTOOL_GRXFH:

		ret = rnpm_get_rss_hash_opts(adapter, cmd);

		break;

	default:

		break;

	}



	return ret;

}



/**

 * rnpm_set_rxnfc - command to set RX flow classification rules

 * @dev: network interface device structure

 * @cmd: ethtool rxnfc command

 * Returns Success if the command is supported.

 **/

static int rnpm_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)

{

	struct rnpm_adapter *adapter = netdev_priv(dev);

	int ret = -EOPNOTSUPP;



	switch (cmd->cmd) {

	case ETHTOOL_SRXCLSRLINS:

		break;

	case ETHTOOL_SRXCLSRLDEL:

		break;

	case ETHTOOL_SRXFH:

		ret = rnpm_set_rss_hash_opt(adapter, cmd);

		break;

	default:

		break;

	}



	return ret;

}



/**

 * rnpm_get_ethtool_stats - copy stat values into supplied buffer

 * @netdev: the netdev to collect stats for
@@ -3312,6 +3439,8 @@ static const struct ethtool_ops rnpm_ethtool_ops = { 
	.get_ethtool_stats = rnpm_get_ethtool_stats,

	.get_coalesce = rnpm_get_coalesce,

	.set_coalesce = rnpm_set_coalesce,

	.get_rxnfc = rnpm_get_rxnfc,

	.set_rxnfc = rnpm_set_rxnfc,

	.get_channels = rnpm_get_channels,

	.set_channels = rnpm_set_channels,

	.get_module_info = rnpm_get_module_info,

drivers/net/ethernet/mucse/rnpm/rnpm_mbx_fw.c

+1 −1
Original line number Diff line number Diff line
@@ -1020,7 +1020,7 @@ int rnpm_mbx_ifup_down(struct rnpm_hw *hw, int up) 


	err = hw->mbx.ops.write(hw, (u32 *)&req,

				(req.datalen + MBX_REQ_HDR_LEN) / 4, MBX_FW);



	mdelay(1);

	mutex_unlock(hw->mbx.lock);



	// force firmware report link-status