dwmac1000_va...cast_entries(9)

💅 dwmac1000_validate_ucast_entries — like, the whole Kernel API Manual page, bestie 🎀

okay so picture this: you're deep in the Kernel API Manual, right, and you bump into dwmac1000_validate_ucast_entries(9). iconic name, honestly. it's giving "i'm the bouncer at the unicast address club" and honestly? it ate. let's get into it ✨

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✨ NAME ✨

dwmac1000_validate_ucast_entries — validate the Unicast address entries. that's it. that's the job. she checks the vibes on your unicast entries and decides if they're valid 💅

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🌸 SYNOPSIS 🌸

int dwmac1000_validate_ucast_entries (struct device *dev , int
ucast_entries );

look at her. returns an int, takes a struct device *dev and an int ucast_entries. simple. clean. main character energy fr fr 🦋

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💖 ARGUMENTS 💖

• dev — the struct device of the platform device. like, which device are we even talking about bestie, this is how you tell her 🙈
• ucast_entries — the number of Unicast address entries. just a count. a little guy. a number. 🍓

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🌈 DESCRIPTION 🌈

okay so here's the tea ☕ — this function validates the number of Unicast address entries supported by a particular Synopsys 10/100/1000 controller. very specific, very particular, she knows what she likes.

and what she likes is this: the Synopsys controller supports 1..32, 64, or 128 Unicast filter entries for its Unicast filter logic. those are the numbers. no cap. 🔥

so the function validates that a valid, supported configuration is selected. and if you hand her something unsupported? she doesn't yell, she doesn't ghost you — she just defaults to 1 Unicast address. one. a single solitary entry. the humble beginning. periodt 💀

ngl bestie, that's the whole safety net: pick a supported number or get quietly dropped back down to 1. not dramatic, just firm. 🫶

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👑 SEE ALSO 👑

• Kernel file ./drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c — the source, go read her 📖
• dwmac1000_validate_mcast_bins(9)
• stmmac_axi_setup(9)
• stmmac_mtl_setup(9)
• stmmac_of_get_mdio(9)
• stmmac_mdio_setup(9)
• stmmac_of_get_mac_mode(9)
• stmmac_probe_config_dt(9)
• devm_stmmac_probe_config_dt(9)
• stmmac_pltfr_get_irq_array(9)
• stmmac_pltfr_init(9)
• stmmac_pltfr_exit(9)
• stmmac_pltfr_probe(9)
• devm_stmmac_pltfr_probe(9)
• stmmac_pltfr_remove(9)

the whole friend group honestly. go say hi to all of them 💜

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aaaand that's the page!! mwah 💋 this little gem came from ./drivers/net/ethernet/stmicro... and it's dated October 2026, so jot that down bestie. stay valid, stay supported, and remember — unsupported configs get defaulted to 1, and that's on periodt 🌸🧚‍♀️⭐