xdp-filter: Update examples in documentation

The examples use the outdated flag `-w`. This commit replaces them with the policy option to achieve the same funcitonality. Signed-off-by: Tobias Böhm <[email protected]>
xdp-project · Sep 5, 2022 · 2265125 · 2265125
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diff --git a/xdp-filter/README.org b/xdp-filter/README.org
@@ -271,15 +271,15 @@ To filter all packets *except* those from IP address fc00:dead:cafe::1 issue the
 following commands (careful, this can lock you out of remote access!):
 
 #+begin_src sh
-# xdp-filter load eth0 -f ipv6 -w
+# xdp-filter load eth0 -f ipv6 -p deny
 # xdp-filter ip fc00:dead:cafe::1 -m src
 #+end_src
 
 To allow packets from *either* IP fc00:dead:cafe::1 *or* arriving on port 22,
 issue the following (careful, this can lock you out of remote access!):
 
 #+begin_src sh
-# xdp-filter load eth0 -f ipv6,tcp -w
+# xdp-filter load eth0 -f ipv6,tcp -p deny
 # xdp-filter port 22
 # xdp-filter ip fc00:dead:cafe::1 -m src
 #+end_src

diff --git a/xdp-filter/xdp-filter.8 b/xdp-filter/xdp-filter.8
@@ -342,7 +342,7 @@ following commands (careful, this can lock you out of remote access!):
 
 .RS
 .nf
-\fC# xdp-filter load eth0 -f ipv6 -w
+\fC# xdp-filter load eth0 -f ipv6 -p deny
 # xdp-filter ip fc00:dead:cafe::1 -m src
 \fP
 .fi
@@ -354,7 +354,7 @@ issue the following (careful, this can lock you out of remote access!):
 
 .RS
 .nf
-\fC# xdp-filter load eth0 -f ipv6,tcp -w
+\fC# xdp-filter load eth0 -f ipv6,tcp -p deny
 # xdp-filter port 22
 # xdp-filter ip fc00:dead:cafe::1 -m src
 \fP