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selftests/bpf: Add a specific dst port matching

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After this patch:

 #102/1   flow_dissector_classification/ipv4:OK
 #102/2   flow_dissector_classification/ipv4_continue_dissect:OK
 #102/3   flow_dissector_classification/ipip:OK
 #102/4   flow_dissector_classification/gre:OK
 #102/5   flow_dissector_classification/port_range:OK
 #102/6   flow_dissector_classification/ipv6:OK
 #102     flow_dissector_classification:OK
 Summary: 1/6 PASSED, 0 SKIPPED, 0 FAILED

Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Link: https://patch.msgid.link/20250218043210.732959-5-xiyou.wangcong@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Cong Wang 2025-02-17 20:32:10 -08:00 • committed by Jakub Kicinski
parent 69ab34f705
commit 15de6ba95d
1 changed files with 6 additions and 1 deletions
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7
tools/testing/selftests/bpf/prog_tests/flow_dissector_classification.c
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@ -542,8 +542,12 @@ static void detach_program(struct bpf_flow *skel, int prog_fd)
static int set_port_drop(int pf, bool multi_port)
{
char dst_port[16];
snprintf(dst_port, sizeof(dst_port), "%d", CFG_PORT_INNER);
SYS(fail, "tc qdisc add dev lo ingress");
SYS(fail_delete_qdisc, "tc filter add %s %s %s %s %s %s %s %s %s %s",
SYS(fail_delete_qdisc, "tc filter add %s %s %s %s %s %s %s %s %s %s %s %s",
"dev lo",
"parent FFFF:",
"protocol", pf == PF_INET6 ? "ipv6" : "ip",
@ -551,6 +555,7 @@ static int set_port_drop(int pf, bool multi_port)
"flower",
"ip_proto udp",
"src_port", multi_port ? "8-10" : "9",
"dst_port", dst_port,
"action drop");
return 0;