ixgbe_setup_sfi_x550a(9)
๐ธ ixgbe_setup_sfi_x550a โ aka the Kernel API Manual glow-up ๐
okay so first of all, hi bestie ๐ซถ you've stumbled into the ixgbe_setup_sfi_x550a(9) page, and honestly? it's kind of a whole vibe. it lives in the Kernel API Manual and it's about making one very specific piece of network hardware behave. buckle up.
โจ NAME โจ
ixgbe_setup_sfi_x550a โ literally just here to configure the internal PHY for native SFI mode. that's it. that's the whole personality. ๐
๐ฆ SYNOPSIS ๐ฆ
int ixgbe_setup_sfi_x550a (struct ixgbe_hw *hw , ixgbe_link_speed *speed
);
look at her. iconic signature. no notes. ๐
๐ธ ARGUMENTS ๐ธ
hwโ pointer to hardware structure. yes, THE hardware structure. the main character of this whole function tbh ๐speedโ the link speed to force. like, you're not asking nicely, you're forcing it. periodt. ๐ฅ
๐ DESCRIPTION ๐
so what does she actually do, you ask? she configures the integrated PHY for native SFI mode, fr fr.
the whole point of this is connecting the internal PHY directly to an SFP cage โ no autonegotiation, no "let's feel each other out and see what speed we like" energy. nope. we're going direct. it's giving main character energy, it's giving zero small talk, it's giving native SFI mode. ๐ โจ
๐ฎ SEE ALSO ๐ฎ
okay this is the part where she name-drops literally everyone she knows. grab a snack, this list is LONG and honestly kind of iconic for it ๐
- Kernel file
./drivers/net/ethernet/intel/ixgbe/ixgbe_x550.cโ that's where she lives, that's her address ๐ ixgbe_read_cs4227(9)ixgbe_write_cs4227(9)ixgbe_read_pe(9)ixgbe_write_pe(9)ixgbe_reset_cs4227(9)ixgbe_check_cs4227(9)ixgbe_read_i2c_combined_generic(9)ixgbe_read_i2c_combined_generic_unlocked(9)ixgbe_write_i2c_combined_generic(9)ixgbe_write_i2c_combined_generic_unlocked(9)ixgbe_fw_phy_activity(9)ixgbe_get_phy_id_fw(9)ixgbe_identify_phy_fw(9)ixgbe_shutdown_fw_phy(9)ixgbe_setup_fw_link(9)ixgbe_fc_autoneg_fw(9)ixgbe_iosf_wait(9)ixgbe_get_phy_token(9)ixgbe_put_phy_token(9)ixgbe_write_iosf_sb_reg_x550a(9)ixgbe_read_iosf_sb_reg_x550a(9)ixgbe_get_bus_info_X550em(9)ixgbe_fw_recovery_mode_X550(9)ixgbe_setup_ixfi_x550em_x(9)ixgbe_restart_an_internal_phy_x550em(9)ixgbe_supported_sfp_modules_X550em(9)ixgbe_setup_mac_link_sfp_x550em(9)ixgbe_setup_mac_link_sfp_n(9)ixgbe_setup_mac_link_sfp_x550a(9)ixgbe_setup_mac_link_t_X550em(9)ixgbe_setup_sgmii(9)ixgbe_setup_sgmii_fw(9)ixgbe_fc_autoneg_sgmii_x550em_a(9)ixgbe_get_lasi_ext_t_x550em(9)ixgbe_enable_lasi_ext_t_x550em(9)ixgbe_handle_lasi_ext_t_x550em(9)ixgbe_setup_kr_speed_x550em(9)ixgbe_setup_kr_x550em(9)ixgbe_led_on_t_x550em(9)ixgbe_led_off_t_x550em(9)ixgbe_set_fw_drv_ver_x550(9)ixgbe_setup_fc_x550em(9)ixgbe_fc_autoneg_backplane_x550em_a(9)ixgbe_fc_autoneg_fiber_x550em_a(9)ixgbe_reset_phy_fw(9)ixgbe_check_overtemp_fw(9)ixgbe_read_mng_if_sel_x550em(9)ixgbe_set_mdio_speed(9)ixgbe_setup_fc_backplane_x550em_a(9)ixgbe_set_mux(9)ixgbe_acquire_swfw_sync_X550em(9)ixgbe_release_swfw_sync_X550em(9)ixgbe_acquire_swfw_sync_x550em_a(9)ixgbe_release_swfw_sync_x550em_a(9)ixgbe_read_phy_reg_x550a(9)ixgbe_write_phy_reg_x550a(9)ixgbe_enable_mdd_x550(9)ixgbe_disable_mdd_x550(9)ixgbe_restore_mdd_vf_x550(9)ixgbe_handle_mdd_x550(9)
that's the whole friend group. no cap, she knows everybody ๐ญ๐
quick vibe check bestie: this page came from ./drivers/net/ethernet/intel/i... and it's dated October 2026 โ so yeah, mark your calendars, screenshot the receipt, and go force some link speed ๐ง๐โจ
๐ฆ where this page comes from
- nixpkgs unstable: linux-manual 7.3.1
- ๐ girlified by deepseek-ai/DeepSeek-V4.1-Flash-1017 on : a language model's rewrite of the original, under its terms