STRUCT ETHTOOL_MMSV(9)

okay bestie, this is struct ethtool_mmsv(9) from the Kernel API Manual, and it's literally giving MAC Merge Software Verification — we're so back 💅✨

✨ NAME ✨

struct ethtool_mmsv — MAC Merge Software Verification. That's the whole title, no cap 🫶

🌸 SYNOPSIS 🌸

       struct ethtool_mmsv {
           const struct ethtool_mmsv_ops *ops;
           struct net_device *dev;
           spinlock_t lock;
           enum ethtool_mm_verify_status status;
           struct timer_list verify_timer;
           bool verify_enabled;
           int verify_retries;
           bool pmac_enabled;
           u32 verify_time;
           bool tx_enabled;
        };

💅 Members 💅

• ops — operations for MAC Merge Software Verification. iconic little setup energy 🔥
• dev — pointer to net_device structure. yes bestie, it's pointing at the netdev 🫶
• lock — serialize access to MAC Merge state between ethtool requests and link state updates. the way that it keeps things from stepping on each other, fr fr 🔒
• status — current verification FSM state. literally the state machine's mood ring 💫
• verify_timer — timer for verification in local TX direction. the little timer bestie for local TX verification ⏲️
• verify_enabled — indicates if verification is enabled. on or off, periodt ✅
• verify_retries — number of retries for verification. how many times we try again, no cap 🔁
• pmac_enabled — indicates if the preemptible MAC is enabled. preemptible MAC check, slay 💅
• verify_time — time for verification in milliseconds. milliseconds, bestie, not vibes ⏱️
• tx_enabled — indicates if transmission is enabled. yes, that's the whole thing 🫶

🦋 SEE ALSO 🦋

Kernel file ./include/linux/ethtool.h — and the whole reference crew:

• enum ethtool_phys_id_state(9)
• struct kernel_ethtool_ringparam(9)
• enum ethtool_supported_ring_param(9)
• ethtool_rxfh_indir_default(9)
• struct ethtool_rxfh_context(9)
• ethtool_link_ksettings_zero_link_mode(9)
• ethtool_link_ksettings_add_link_mode(9)
• ethtool_link_ksettings_del_link_mode(9)
• ethtool_link_ksettings_test_link_mode(9)
• ethtool_intersect_link_masks(9)
• struct ethtool_phy_stats(9)
• struct ethtool_pause_stats(9)
• struct ethtool_fec_hist_range(9)
• struct ethtool_fec_stats(9)
• struct ethtool_rmon_hist_range(9)
• struct ethtool_rmon_stats(9)
• struct ethtool_ts_stats(9)
• struct ethtool_module_eeprom(9)
• struct ethtool_module_power_mode_params(9)
• struct ethtool_mm_state(9)
• struct ethtool_mm_cfg(9)
• struct ethtool_mm_stats(9)
• struct ethtool_mmsv_ops(9)
• struct ethtool_rxfh_param(9)
• struct ethtool_rxfh_fields(9)
• struct kernel_ethtool_ts_info(9)
• struct ethtool_ops(9)
• struct ethtool_netdev_state(9)
• struct ethtool_phy_ops(9)
• ethtool_set_ethtool_phy_ops(9)
• ethtool_params_from_link_mode(9)
• ethtool_get_phc_vclocks(9)
• ethtool_mm_frag_size_add_to_min(9)
• ethtool_mm_frag_size_min_to_add(9)
• ethtool_get_ts_info_by_layer(9)
• ethtool_sprintf(9)
• ethtool_puts(9)
• ethtool_cpy(9)

okay that's the whole page, bestie — source ./include/linux, date October 2026, page struct ethtool_mmsv(9), mwah 💋🎀