e1000_write_..._80003es2lan(9)
π e1000_write_kmrn_reg_80003es2lan π
okay so bestie, welcome to the Kernel API Manual β yes that's the manual name, don't @ me, and today's main character is e1000_write_kmrn_reg_80003es2lan. say it with me. kumeran. register. write. slay.
β¨ NAME β¨
e1000_write_kmrn_reg_80003es2lan β literally just writes a kumeran register. that's it. that's the whole job. π
π¦ SYNOPSIS π¦
s32 e1000_write_kmrn_reg_80003es2lan (struct e1000_hw *hw , u32 offset ,
u16 data );
look at her. three params. returns an s32. iconic behavior honestly. π
πΈ ARGUMENTS πΈ
hwβ pointer to the HW structure. your hardware bestie. you're handing her over so she can get stuff done. π«Άoffsetβ the register offset to write to. like, where in the register map are we dropping this data. πdataβ the data to write at that register offset. the actual payload. the moment. the ~content~. β¨
π₯ DESCRIPTION π₯
okay so here's the vibe check, step by step:
- acquire the semaphore β no cap, you gotta get the semaphore first. can't just barge in. π
- write the data to the PHY register at the offset using the kumeran interface β that's the whole task, and she does it with the kumeran interface like the queen she is. π
- release the semaphore before exiting β and you always release it before you leave. no holding semaphores hostage, that's not the energy we're bringing. π
three steps, zero drama, very demure, very mindful. π
π§ SEE ALSO π§
bestie, the whole friend group is here. the kernel file lives at ./drivers/net/ethernet/intel/e1000e/80003es2lan.c and it's giving family reunion:
e1000_init_phy_params_80003es2lan(9)e1000_init_nvm_params_80003es2lan(9)e1000_init_mac_params_80003es2lan(9)e1000_acquire_phy_80003es2lan(9)e1000_release_phy_80003es2lan(9)e1000_acquire_mac_csr_80003es2lan(9)e1000_release_mac_csr_80003es2lan(9)e1000_acquire_nvm_80003es2lan(9)e1000_release_nvm_80003es2lan(9)e1000_acquire_swfw_sync_80003es2lan(9)e1000_release_swfw_sync_80003es2lan(9)e1000_read_phy_reg_gg82563_80003es2lan(9)e1000_write_phy_reg_gg82563_80003es2lan(9)e1000_write_nvm_80003es2lan(9)e1000_get_cfg_done_80003es2lan(9)e1000_phy_force_speed_duplex_80003es2lan(9)e1000_get_cable_length_80003es2lan(9)e1000_get_link_up_info_80003es2lan(9)e1000_reset_hw_80003es2lan(9)e1000_init_hw_80003es2lan(9)e1000_initialize_hw_bits_80003es2lan(9)e1000_copper_link_setup_gg82563_80003es2lan(9)e1000_setup_copper_link_80003es2lan(9)e1000_cfg_on_link_up_80003es2lan(9)e1000_cfg_kmrn_10_100_80003es2lan(9)e1000_cfg_kmrn_1000_80003es2lan(9)e1000_read_kmrn_reg_80003es2lan(9)e1000_read_mac_addr_80003es2lan(9)e1000_power_down_phy_copper_80003es2lan(9)e1000_clear_hw_cntrs_80003es2lan(9)
like i said. full group chat. iykyk. π
sign-off era π
she's documented in ./drivers/net/ethernet/intel/e..., dated October 2026, and filed under e1000_write_..._80003es2lan(9) because even manual pages get a cute little nickname. go write that kumeran register, bestie. periodt. πππ¦
π¦ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms