nftables/0015-debug-dump-the-l2-protocol-stack.patch

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From 33df569ad87c851596c02663fb4941bc0783d08c Mon Sep 17 00:00:00 2001
From: Phil Sutter <psutter@redhat.com>
Date: Thu, 9 Feb 2023 10:27:57 +0100
Subject: [PATCH] debug: dump the l2 protocol stack
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2211076
Upstream Status: nftables commit dbd5f348c71de
commit dbd5f348c71decf0baa8fb592c576f63fa232f50
Author: Florian Westphal <fw@strlen.de>
Date: Mon Jul 25 16:42:23 2022 +0200
debug: dump the l2 protocol stack
Previously we used to print the cumulative size of the headers,
update this to print the tracked l2 stack.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Phil Sutter <psutter@redhat.com>
---
src/proto.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/proto.c b/src/proto.c
index 2663f21..c496482 100644
--- a/src/proto.c
+++ b/src/proto.c
@@ -154,6 +154,12 @@ static void proto_ctx_debug(const struct proto_ctx *ctx, enum proto_bases base,
if (!(debug_mask & NFT_DEBUG_PROTO_CTX))
return;
+ if (base == PROTO_BASE_LL_HDR && ctx->stacked_ll_count) {
+ pr_debug(" saved ll headers:");
+ for (i = 0; i < ctx->stacked_ll_count; i++)
+ pr_debug(" %s", ctx->stacked_ll[i]->name);
+ }
+
pr_debug("update %s protocol context:\n", proto_base_names[base]);
for (i = PROTO_BASE_LL_HDR; i <= PROTO_BASE_MAX; i++) {
pr_debug(" %-20s: %s",
--
2.41.0.rc1