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2899d58462
Commit 0d1b7d6c92 ("bnxt: fix crashes when reducing ring count with
active RSS contexts") proves that allowing indirection table to contain
channels with out of bounds IDs may lead to crashes. Currently the
max channel check in the core gets skipped if driver can't fetch
the indirection table or when we can't allocate memory.
Both of those conditions should be extremely rare but if they do
happen we should try to be safe and fail the channel change.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20240710174043.754664-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
60 lines
2.1 KiB
C
60 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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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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u32 ethtool_get_max_rxfh_channel(struct net_device *dev);
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int ethtool_get_max_rxnfc_channel(struct net_device *dev, u64 *max);
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int __ethtool_get_ts_info(struct net_device *dev, struct 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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