ixgbe_read_i...ff8472_82598(9)
β¨ ixgbe_read_i2c_sff8472_82598 β¨
okay bestie, welcome to the Kernel API Manual β yes this is a real manual page from the kernel docs, and yes we're gonna make it cute. this one's about ixgbe_read_i2c_sff8472_82598(9) π
she's a little function from the Intel ixgbe driver fam, and she reads stuff over I2C. let's get into it π¦
πΈ NAME πΈ
ixgbe_read_i2c_sff8472_82598 β literally reads an 8 bit word over the I2C interface. that's her whole job, and she ate π
π SYNOPSIS π
int ixgbe_read_i2c_sff8472_82598 (struct ixgbe_hw *hw , u8 byte_offset ,
u8 *sff8472_data );
she returns an int, takes three args, and no, you cannot skip any of them, iykyk π«Ά
β¨ ARGUMENTS β¨
hwβ pointer to the hardware structure. like, the whole hardware vibe check gets handed in right here πbyte_offsetβ the byte offset at address0xA2. that0xA2is not a typo, it's giving very specific π―sff8472_dataβ value read. she goes in empty-handed and comes out holding the goods ππ
π DESCRIPTION π
so basically: she performs an 8 byte read operation to the SFP module's SFF-8472 data over I2C. that's it, that's the whole plot β¨ no cap, that's the description in its entirety β sometimes a function is just a function and she does her one thing beautifully π§
lowkey obsessed with how the NAME says "8 bit word" and the DESCRIPTION says "8 byte read operation" β i'm just reporting what the page says, don't come for me π both facts stay, periodt.
π SEE ALSO π
the kernel file lives here, bestie:
./drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
and here's the whole friend group β every single one, no cuts π :
ixgbe_set_pcie_completion_timeout(9)ixgbe_init_phy_ops_82598(9)ixgbe_start_hw_82598(9)ixgbe_get_link_capabilities_82598(9)ixgbe_get_media_type_82598(9)ixgbe_fc_enable_82598(9)ixgbe_start_mac_link_82598(9)ixgbe_validate_link_ready(9)ixgbe_check_mac_link_82598(9)ixgbe_setup_mac_link_82598(9)ixgbe_setup_copper_link_82598(9)ixgbe_reset_hw_82598(9)ixgbe_set_vmdq_82598(9)ixgbe_clear_vmdq_82598(9)ixgbe_set_vfta_82598(9)ixgbe_clear_vfta_82598(9)ixgbe_read_analog_reg8_82598(9)ixgbe_write_analog_reg8_82598(9)ixgbe_read_i2c_phy_82598(9)ixgbe_read_i2c_eeprom_82598(9)ixgbe_set_lan_id_multi_port_pcie_82598(9)ixgbe_set_rxpba_82598(9)
okay that's the whole page, you're officially educated πβ¨ this came out of ./drivers/net/ethernet/intel/i... and it's dated October 2026 β so mark your calendars, she's from the future, main character energy fr fr ππ« bye bestie, go read some I2C π¦π
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