[nft PATCH 4/5] tests: shell: Improve gen_chains() in 0021prio_0

[Phil Sutter]

Enhance the function to accept an optional fourth parameter specifying
the device name, then use it for netdev family. Also remove dubled empty
lines and instead put together what belongs together.

Signed-off-by: Phil Sutter <p...@nwl.cc>
---
 tests/shell/testcases/chains/0021prio_0 | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/tests/shell/testcases/chains/0021prio_0 
b/tests/shell/testcases/chains/0021prio_0
index 82f52e33cc2af..b54b6fae32c63 100755
--- a/tests/shell/testcases/chains/0021prio_0
+++ b/tests/shell/testcases/chains/0021prio_0
@@ -27,11 +27,13 @@ gen_chains () {
        local family=$1
        local hook=$2
        local prioname=$3
+       local device=${4:+device $4}
 
        for i in -11 -10 0 10 11
        do
                local offset=`format_offset $i`
-               $NFT add chain $family x `chainname $hook $prioname $offset` "{ 
type filter hook $hook priority $prioname $offset; }"
+               local chainname=`chainname $hook $prioname $offset`
+               $NFT add chain $family x $chainname "{ type filter hook $hook 
$device priority $prioname $offset; }"
        done
 }
 
@@ -50,7 +52,6 @@ do
        gen_chains $family postrouting srcnat
 done
 
-
 family=arp
 $NFT add table $family x
 for hook in input output
@@ -58,16 +59,9 @@ do
        gen_chains $family $hook filter
 done
 
-
 family=netdev
 $NFT add table $family x
-hook=ingress
-prioname=filter
-for i in -11 -10 0 10 11
-do
-       offset=`format_offset $i`
-       $NFT add chain $family x `chainname $hook $prioname $offset` "{ type 
filter hook $hook device lo priority $prioname $offset; }"
-done
+gen_chains $family ingress filter lo
 
 family=bridge
 $NFT add table $family x
@@ -75,7 +69,6 @@ for hook in prerouting input forward output postrouting
 do
        gen_chains $family $hook filter
 done
-
 gen_chains $family prerouting dstnat
 gen_chains $family output out
 gen_chains $family postrouting srcnat
-- 
2.19.0