t3_handle_intr_status(9)

πŸ“¦ version 7.3.1, in nixpkgs unstable

πŸ’… t3_handle_intr_status(9) β€” the table driven interrupt handler

okay so bestie, welcome to the Kernel API Manual πŸŽ€ β€” this one's a little kernel function called t3_handle_intr_status, and honestly? it's giving spreadsheet-girlboss energy. no cap, it just walks a table and does what the table says. let's get into it ✨


✨ NAME ✨

t3_handle_intr_status β€” the table driven interrupt handler. that's it, that's the whole vibe check πŸ¦‹


🌸 SYNOPSIS 🌸

int t3_handle_intr_status (struct adapter *adapter , unsigned int reg ,
       unsigned int mask , const struct intr_info *acts , unsigned long *stats
       );

look at her go 😭 five whole arguments and she still returns an int like a queen πŸ‘‘


πŸ’œ ARGUMENTS πŸ’œ

  • adapter β€” the adapter that generated the interrupt. like, whose drama is this? this one's πŸ’€
  • reg β€” the interrupt status register to process. this is the register we're reading from, bestie πŸ“–
  • mask β€” a mask we're applying to the interrupt status. filtering the noise, we love a boundaries moment ✨
  • acts β€” table of interrupt actions. this is the whole itinerary β€” what to do for each thing πŸŽ€
  • stats β€” statistics counters tracking interrupt occurrences. keeping receipts πŸ“ŠπŸ’…

πŸ”₯ DESCRIPTION πŸ”₯

so here's the tea β˜• this is a table driven interrupt handler β€” it takes a set of masks, applies them to an interrupt status word, and then performs the corresponding actions if the interrupts described by the mask have actually occurred. no false alarms, no wasted effort, we stay efficient πŸ¦‹

and what are those actions, you ask? πŸ‘€ they include optionally printing a warning or alert message (so you get told about it, dramatic but useful) and optionally incrementing a stat counter (so it's counted, forever, in the stats). both optional, both iconic πŸ’–

the table is terminated by an entry specifying mask 0 β€” that's the lil "we're done here" sentinel, periodt πŸ›‘

and the return value? it returns the number of fatal interrupt conditions. yes, fatal. as in bad. as in count-your-blessings energy 😭πŸ”₯

ngl, if this is returning a nonzero number of fatal conditions, that's not a slay, that's a situation. handle accordingly.

πŸ‘‘ SEE ALSO πŸ‘‘

the kernel file lives right here, bestie β€” your main character source file:

  • Kernel file ./drivers/net/ethernet/chelsio/cxgb3/t3_hw.c

and now the friend group 🫢 every single one of these is in the (9) section, and yes i'm listing all of them because we don't do "etc." here:


that's the whole page, bestie 🌈✨ and before you go β€” full transparency, this came from ./drivers/net/ethernet/chelsio... and it's dated October 2026 πŸ—“οΈπŸ’– mwah, go read your interrupt tables responsibly πŸ’…


πŸ“¦ where this page comes from