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Currently ethtool_set_channel calls separate functions to check whether the new channel number violates rss configuration or flow steering configuration. Very soon we need to check whether the new channel number violates memory provider configuration as well. To do all 3 checks cleanly, add a wrapper around ethtool_get_max_rxnfc_channel() and ethtool_get_max_rxfh_channel(), which does both checks. We can later extend this wrapper to add the memory provider check in one place. Note that in the current code, we put a descriptive genl error message when we run into issues. To preserve the error message, we pass the genl_info* to the common helper. The ioctl calls can pass NULL instead. Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Mina Almasry <almasrymina@google.com> Link: https://patch.msgid.link/20240808205345.2141858-1-almasrymina@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _ETHTOOL_COMMON_H
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#define _ETHTOOL_COMMON_H
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#define ETHTOOL_DEV_FEATURE_WORDS DIV_ROUND_UP(NETDEV_FEATURE_COUNT, 32)
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/* compose link mode index from speed, type and duplex */
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#define ETHTOOL_LINK_MODE(speed, type, duplex) \
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ETHTOOL_LINK_MODE_ ## speed ## base ## type ## _ ## duplex ## _BIT
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#define __SOF_TIMESTAMPING_CNT (const_ilog2(SOF_TIMESTAMPING_LAST) + 1)
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struct link_mode_info {
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int speed;
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u8 lanes;
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u8 duplex;
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};
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struct genl_info;
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extern const char
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netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN];
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extern const char
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rss_hash_func_strings[ETH_RSS_HASH_FUNCS_COUNT][ETH_GSTRING_LEN];
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extern const char
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tunable_strings[__ETHTOOL_TUNABLE_COUNT][ETH_GSTRING_LEN];
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extern const char
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phy_tunable_strings[__ETHTOOL_PHY_TUNABLE_COUNT][ETH_GSTRING_LEN];
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extern const char link_mode_names[][ETH_GSTRING_LEN];
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extern const struct link_mode_info link_mode_params[];
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extern const char netif_msg_class_names[][ETH_GSTRING_LEN];
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extern const char wol_mode_names[][ETH_GSTRING_LEN];
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extern const char sof_timestamping_names[][ETH_GSTRING_LEN];
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extern const char ts_tx_type_names[][ETH_GSTRING_LEN];
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extern const char ts_rx_filter_names[][ETH_GSTRING_LEN];
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extern const char udp_tunnel_type_names[][ETH_GSTRING_LEN];
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int __ethtool_get_link(struct net_device *dev);
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bool convert_legacy_settings_to_link_ksettings(
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struct ethtool_link_ksettings *link_ksettings,
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const struct ethtool_cmd *legacy_settings);
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int ethtool_check_max_channel(struct net_device *dev,
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struct ethtool_channels channels,
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struct genl_info *info);
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int __ethtool_get_ts_info(struct net_device *dev, struct kernel_ethtool_ts_info *info);
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extern const struct ethtool_phy_ops *ethtool_phy_ops;
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extern const struct ethtool_pse_ops *ethtool_pse_ops;
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int ethtool_get_module_info_call(struct net_device *dev,
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struct ethtool_modinfo *modinfo);
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int ethtool_get_module_eeprom_call(struct net_device *dev,
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struct ethtool_eeprom *ee, u8 *data);
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bool __ethtool_dev_mm_supported(struct net_device *dev);
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#endif /* _ETHTOOL_COMMON_H */
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