[dpdk-dev] [PATCH] doc: announce: make rte intr handle internal

[Andrew Rybchenko]

On 8/2/21 7:03 PM, Harman Kalra wrote:
> Moving struct rte_intr_handle as an internal structure to
> avoid any ABI breakages in future. Since this structure defines
> some static arrays and changing respective macros breaks the ABI.
> Eg:
> Currently RTE_MAX_RXTX_INTR_VEC_ID imposes a limit of maximum 512
> MSI-X interrupts that can be defined for a PCI device, while PCI
> specification allows maximum 2048 MSI-X interrupts that can be used.
> If some PCI device requires more than 512 vectors, either change the
> RTE_MAX_RXTX_INTR_VEC_ID limit or dynamically allocate based on
> PCI device MSI-X size on probe time. Either way its an ABI breakage.
> 
> Discussion thread:
> https://mails.dpdk.org/archives/dev/2021-March/202959.html
> 
> Change already included in 21.11 ABI improvement spreadsheet (item 42):
> https://docs.google.com/spreadsheets/d/1betlC000ua5SsSiJIcC54mCCCJnW6voH5Dqv9UxeyfE/edit#gid=0
> 
> Signed-off-by: Harman Kalra <hkalra at marvell.com>

Acked-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>