linuxPackages.ena: patch kcompat.h for explicit compatibility with < 6.8

  # linux 3.12

  env.NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration";

  patches = [

    # Use kernel version checks instead of API feature detection

    # See https://github.com/NixOS/nixpkgs/pull/310680

    ./override-features-api-detection.patch

  ];

  configurePhase = ''

    runHook preConfigure

    cd kernel/linux/ena

diff --git a/kernel/linux/ena/kcompat.h b/kernel/linux/ena/kcompat.h

index 32a9cc5..8d39362 100644

--- a/kernel/linux/ena/kcompat.h

+++ b/kernel/linux/ena/kcompat.h

@@ -888,21 +888,6 @@ xdp_prepare_buff(struct xdp_buff *xdp, unsigned char *hard_start,

 #define ENA_XDP_XMIT_FREES_FAILED_DESCS_INTERNALLY

 #endif

-#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 15, 0) && \

-	!(LINUX_VERSION_CODE >= KERNEL_VERSION(5, 10, 188) && \

-	 LINUX_VERSION_CODE < KERNEL_VERSION(5, 11, 0)) && \

-	!(LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 251) && \

-	 LINUX_VERSION_CODE < KERNEL_VERSION(5, 5, 0))) && \

-	!(defined(RHEL_RELEASE_CODE) && RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(8, 6)) && \

-	!(defined(SUSE_VERSION) && (SUSE_VERSION == 15 && SUSE_PATCHLEVEL >= 4)) && \

-	!(defined(SUSE_VERSION) && (SUSE_VERSION == 15 && SUSE_PATCHLEVEL == 3) && \

-	  ENA_KERNEL_VERSION_GTE(5, 3, 18, 150300, 59, 43))

-static inline void eth_hw_addr_set(struct net_device *dev, const u8 *addr)

-{

-	memcpy(dev->dev_addr, addr, ETH_ALEN);

-}

-#endif

-

 #if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 15, 0) || \

 	(defined(RHEL_RELEASE_CODE) && \

 	RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(8, 6) && \

@@ -1112,7 +1097,7 @@ static inline void ena_dma_unmap_page_attrs(struct device *dev,

 #define pci_dev_id(pdev) ((((u16)(pdev->bus->number)) << 8) | (pdev->devfn))

 #endif /* ENA_HAVE_PCI_DEV_ID */

-#ifndef ENA_HAVE_XDP_DO_FLUSH

+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 6, 0)

 #define xdp_do_flush xdp_do_flush_map

 #endif /* ENA_HAVE_XDP_DO_FLUSH */

@@ -1147,15 +1132,15 @@ static inline unsigned int cpumask_local_spread(unsigned int i, int node)

 }

 #endif /* ENA_HAVE_CPUMASK_LOCAL_SPREAD */

-#ifndef ENA_HAVE_UPDATE_AFFINITY_HINT

+#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 17, 0)

 static inline int irq_update_affinity_hint(unsigned int irq, const struct cpumask *m)

 {

 	return 0;

 }

-#endif /* ENA_HAVE_UPDATE_AFFINITY_HINT */

+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(5.17.0) */

-#ifndef ENA_HAVE_ETHTOOL_PUTS

+#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 8, 0)

 #define ethtool_puts ethtool_sprintf

-#endif /* ENA_HAVE_ETHTOOL_PUTS */

+#endif

 #endif /* _KCOMPAT_H_ */