Following compile error observed with CentOS 6.8, which uses kernel
kernel-devel-2.6.32-642.el6.x86_64:
CC eal_thread.o
.../build/lib/librte_eal/linuxapp/igb_uio/igb_uio.c:
In function 'igbuio_msix_mask_irq':
.../build/lib/librte_eal/linuxapp/igb_uio/igb_uio.c:157:
error: 'PCI_MSIX_ENTRY_CTRL_MASKBIT' undeclared (first use in this
function)
Reported-by: Thiago <thiagocmartinsc at gmail.com>
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
lib/librte_eal/linuxapp/igb_uio/compat.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/lib/librte_eal/linuxapp/igb_uio/compat.h
b/lib/librte_eal/linuxapp/igb_uio/compat.h
index c1d45a6..0d781e4 100644
--- a/lib/librte_eal/linuxapp/igb_uio/compat.h
+++ b/lib/librte_eal/linuxapp/igb_uio/compat.h
@@ -24,6 +24,15 @@
#define PCI_MSIX_ENTRY_CTRL_MASKBIT 1
#endif
+/*
+ * for kernels < 2.6.38 and backported patch that moves MSI-X entry definition
+ * to pci_regs.h Those kernels has PCI_MSIX_ENTRY_SIZE defined but not
+ * PCI_MSIX_ENTRY_CTRL_MASKBIT
+ */
+#ifndef PCI_MSIX_ENTRY_CTRL_MASKBIT
+#define PCI_MSIX_ENTRY_CTRL_MASKBIT 1
+#endif
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34) && \
(!(defined(RHEL_RELEASE_CODE) && \
RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(5, 9)))
--
2.5.5
