[dpdk-dev] [PATCH] kni: fix ethtool build with kernel 4.11

[Nicolas Dichtel]

Le 03/05/2017 à 18:00, Ferruh Yigit a écrit :
> build error:
> .../build/build/lib/librte_eal/linuxapp/kni/igb_main.c:1034:10:
> error: implicit declaration of function ‘pci_enable_msix’
> [-Werror=implicit-function-declaration]
>     err = pci_enable_msix(pdev,
>               ^~~~~~~~~~~~~~~
> 
> This build error observed when CONFIG_RTE_KNI_KMOD_ETHTOOL config option
> enabled.
> 
> Following Linux commit removes the pci_enable_msix()
> Linux: 4244de1c64de ("PCI: remove pci_enable_msix")
> 
> Switch to pci_enable_msix_range() for kernel > 4.8 since current Linux
> igb driver uses this function.
When looking at the kernel patches, it seems that the way to go is to use
pci_alloc_irq_vectors(), but it needs a bit more work.

Exemple :
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=da6f4cf58e40


Regards,
Nicolas