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[bpf-next] selftests/bpf: fix compilation failure when CONFIG_NF_FLOW_TABLE=m

Message ID 20240710150051.192598-1-alan.maguire@oracle.com (mailing list archive)
State Accepted
Commit eeb23b54e447ea62b247d89681f0140abab00d7f
Delegated to: BPF
Headers show
Series [bpf-next] selftests/bpf: fix compilation failure when CONFIG_NF_FLOW_TABLE=m | expand

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Commit Message

Alan Maguire July 10, 2024, 3 p.m. UTC 
In many cases, kernel netfilter functionality is built as modules.
If CONFIG_NF_FLOW_TABLE=m in particular, progs/xdp_flowtable.c
(and hence selftests) will fail to compile, so add a ___local
version of "struct flow_ports".

Fixes: c77e572d3a8c ("selftests/bpf: Add selftest for bpf_xdp_flow_lookup kfunc")
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
---
 tools/testing/selftests/bpf/progs/xdp_flowtable.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org July 10, 2024, 6:50 p.m. UTC | #1 
Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Wed, 10 Jul 2024 16:00:51 +0100 you wrote:
> In many cases, kernel netfilter functionality is built as modules.
> If CONFIG_NF_FLOW_TABLE=m in particular, progs/xdp_flowtable.c
> (and hence selftests) will fail to compile, so add a ___local
> version of "struct flow_ports".
> 
> Fixes: c77e572d3a8c ("selftests/bpf: Add selftest for bpf_xdp_flow_lookup kfunc")
> Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
> 
> [...]

Here is the summary with links:
  - [bpf-next] selftests/bpf: fix compilation failure when CONFIG_NF_FLOW_TABLE=m
    https://git.kernel.org/bpf/bpf-next/c/eeb23b54e447

You are awesome, thank you!
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/progs/xdp_flowtable.c b/tools/testing/selftests/bpf/progs/xdp_flowtable.c
index 15209650f73b..7fdc7b23ee74 100644
--- a/tools/testing/selftests/bpf/progs/xdp_flowtable.c
+++ b/tools/testing/selftests/bpf/progs/xdp_flowtable.c
@@ -58,6 +58,10 @@  static bool xdp_flowtable_offload_check_tcp_state(void *ports, void *data_end,
 	return true;
 }
 
+struct flow_ports___local {
+	__be16 source, dest;
+} __attribute__((preserve_access_index));
+
 SEC("xdp.frags")
 int xdp_flowtable_do_lookup(struct xdp_md *ctx)
 {
@@ -69,7 +73,7 @@  int xdp_flowtable_do_lookup(struct xdp_md *ctx)
 	};
 	void *data = (void *)(long)ctx->data;
 	struct ethhdr *eth = data;
-	struct flow_ports *ports;
+	struct flow_ports___local *ports;
 	__u32 *val, key = 0;
 
 	if (eth + 1 > data_end)
@@ -79,7 +83,7 @@  int xdp_flowtable_do_lookup(struct xdp_md *ctx)
 	case bpf_htons(ETH_P_IP): {
 		struct iphdr *iph = data + sizeof(*eth);
 
-		ports = (struct flow_ports *)(iph + 1);
+		ports = (struct flow_ports___local *)(iph + 1);
 		if (ports + 1 > data_end)
 			return XDP_PASS;
 
@@ -106,7 +110,7 @@  int xdp_flowtable_do_lookup(struct xdp_md *ctx)
 		struct in6_addr *dst = (struct in6_addr *)tuple.ipv6_dst;
 		struct ipv6hdr *ip6h = data + sizeof(*eth);
 
-		ports = (struct flow_ports *)(ip6h + 1);
+		ports = (struct flow_ports___local *)(ip6h + 1);
 		if (ports + 1 > data_end)
 			return XDP_PASS;