Update documentation

vankoven · vankoven · commit 871317d70e39 · 2025-01-04T19:20:41.000+01:00
diff --git a/debian.dkms/changelog b/debian.dkms/changelog
@@ -1,6 +1,6 @@
 linux-rex (1.0) unstable; urgency=medium
 
-  * Port to kernels 6.1+
+  * Port to kernels 6.2+
   * More verbose information during importing databases
   * Update Hyperscan to release 5.4.2
   * Vanilla Kernel version support does not need preempt protection for FPU
diff --git a/debian.dkms/control b/debian.dkms/control
@@ -13,7 +13,7 @@ Depends: dwarves, zstd, ${misc:Depends}
 Description: Hyperscan loadable module for linux.
   .
   A eBPF helper to process regular expressions inside eBPF context.
-  Only Linux kernel > 6.1 is supported.
+  Only Linux kernel > 6.2 is supported.
   Refer to https://github.com/G-Core/linux-regex-module/ for more documentation.
 
 Package: rex-dkms-dev
diff --git a/src/kmod/rex.c b/src/kmod/rex.c
@@ -145,6 +145,7 @@ __bpf_kfunc int bpf_scan_bytes(const void *buf, __u32 buf__sz,
 }
 EXPORT_SYMBOL(bpf_scan_bytes);
 
+/* This code is taken from net/core/filter.c because it is not exported */
 void *bpf_xdp_pointer(struct xdp_buff *xdp, u32 offset, u32 len)
 {
 	u32 size = xdp->data_end - xdp->data;

Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,7 @@ Depends: dwarves, zstd, ${misc:Depends}`
`13`	`13`	`Description: Hyperscan loadable module for linux.`
`14`	`14`	`.`
`15`	`15`	`A eBPF helper to process regular expressions inside eBPF context.`
`16`		`- Only Linux kernel > 6.1 is supported.`
	`16`	`+ Only Linux kernel > 6.2 is supported.`
`17`	`17`	`Refer to https://github.com/G-Core/linux-regex-module/ for more documentation.`
`18`	`18`
`19`	`19`	`Package: rex-dkms-dev`
Original file line number	Diff line number	Diff line change
`@@ -145,6 +145,7 @@ __bpf_kfunc int bpf_scan_bytes(const void *buf, __u32 buf__sz,`
`145`	`145`	`}`
`146`	`146`	`EXPORT_SYMBOL(bpf_scan_bytes);`
`147`	`147`
	`148`	`+/* This code is taken from net/core/filter.c because it is not exported */`
`148`	`149`	`void bpf_xdp_pointer(struct xdp_buff xdp, u32 offset, u32 len)`
`149`	`150`	`{`
`150`	`151`	`u32 size = xdp->data_end - xdp->data;`