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iproute/SOURCES/0013-tc-u32-add-json-support-in-print_raw-print_ipv4-prin.patch

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import iproute-5.15.0-4.el8
2022-05-10 07:16:50 +00:00
From 66efa0a6dc179f814614fbd2f47c37d7e20e4405 Mon Sep 17 00:00:00 2001
Message-Id: <66efa0a6dc179f814614fbd2f47c37d7e20e4405.1644243783.git.aclaudi@redhat.com>
In-Reply-To: <b30268eda844bdebbb8e5e4f5735e3b1bb666368.1644243783.git.aclaudi@redhat.com>
References: <b30268eda844bdebbb8e5e4f5735e3b1bb666368.1644243783.git.aclaudi@redhat.com>
From: Andrea Claudi <aclaudi@redhat.com>
Date: Mon, 7 Feb 2022 15:16:36 +0100
Subject: [PATCH] tc: u32: add json support in `print_raw`, `print_ipv4`,
`print_ipv6`
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1989591
Upstream Status: unknown commit 721435dc
commit 721435dcfd9274277af2fb6a4cec81d4a9bcc6b4
Author: Wen Liang <liangwen12year@gmail.com>
Date: Wed Jan 26 14:44:48 2022 -0500
tc: u32: add json support in `print_raw`, `print_ipv4`, `print_ipv6`
Currently the key struct of u32 filter does not support json. This
commit adds json support for showing key.
Signed-off-by: Wen Liang <liangwen12year@gmail.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
---
tc/f_u32.c | 121 ++++++++++++++++++++++++++++++++++-------------------
1 file changed, 79 insertions(+), 42 deletions(-)
diff --git a/tc/f_u32.c b/tc/f_u32.c
index 11da202e..d787eb91 100644
--- a/tc/f_u32.c
+++ b/tc/f_u32.c
@@ -824,23 +824,27 @@ static void print_ipv4(FILE *f, const struct tc_u32_key *key)
{
char abuf[256];
+ open_json_object("match");
switch (key->off) {
case 0:
switch (ntohl(key->mask)) {
case 0x0f000000:
- fprintf(f, "\n match IP ihl %u",
- ntohl(key->val) >> 24);
+ print_nl();
+ print_uint(PRINT_ANY, "ip_ihl", " match IP ihl %u",
+ ntohl(key->val) >> 24);
return;
case 0x00ff0000:
- fprintf(f, "\n match IP dsfield %#x",
- ntohl(key->val) >> 16);
+ print_nl();
+ print_0xhex(PRINT_ANY, "ip_dsfield", " match IP dsfield %#x",
+ ntohl(key->val) >> 16);
return;
}
break;
case 8:
if (ntohl(key->mask) == 0x00ff0000) {
- fprintf(f, "\n match IP protocol %d",
- ntohl(key->val) >> 16);
+ print_nl();
+ print_int(PRINT_ANY, "ip_protocol", " match IP protocol %d",
+ ntohl(key->val) >> 16);
return;
}
break;
@@ -849,11 +853,21 @@ static void print_ipv4(FILE *f, const struct tc_u32_key *key)
int bits = mask2bits(key->mask);
if (bits >= 0) {
- fprintf(f, "\n %s %s/%d",
- key->off == 12 ? "match IP src" : "match IP dst",
- inet_ntop(AF_INET, &key->val,
- abuf, sizeof(abuf)),
- bits);
+ const char *addr;
+
+ if (key->off == 12) {
+ print_nl();
+ print_null(PRINT_FP, NULL, " match IP src ", NULL);
+ open_json_object("src");
+ } else {
+ print_nl();
+ print_null(PRINT_FP, NULL, " match IP dst ", NULL);
+ open_json_object("dst");
+ }
+ addr = inet_ntop(AF_INET, &key->val, abuf, sizeof(abuf));
+ print_string(PRINT_ANY, "address", "%s", addr);
+ print_int(PRINT_ANY, "prefixlen", "/%d", bits);
+ close_json_object();
return;
}
}
@@ -862,45 +876,52 @@ static void print_ipv4(FILE *f, const struct tc_u32_key *key)
case 20:
switch (ntohl(key->mask)) {
case 0x0000ffff:
- fprintf(f, "\n match dport %u",
- ntohl(key->val) & 0xffff);
+ print_uint(PRINT_ANY, "dport", "match dport %u",
+ ntohl(key->val) & 0xffff);
return;
case 0xffff0000:
- fprintf(f, "\n match sport %u",
- ntohl(key->val) >> 16);
+ print_nl();
+ print_uint(PRINT_ANY, "sport", " match sport %u",
+ ntohl(key->val) >> 16);
return;
case 0xffffffff:
- fprintf(f, "\n match dport %u, match sport %u",
- ntohl(key->val) & 0xffff,
- ntohl(key->val) >> 16);
-
+ print_nl();
+ print_uint(PRINT_ANY, "dport", " match dport %u, ",
+ ntohl(key->val) & 0xffff);
+ print_uint(PRINT_ANY, "sport", "match sport %u",
+ ntohl(key->val) >> 16);
return;
}
/* XXX: Default print_raw */
}
+ close_json_object();
}
static void print_ipv6(FILE *f, const struct tc_u32_key *key)
{
char abuf[256];
+ open_json_object("match");
switch (key->off) {
case 0:
switch (ntohl(key->mask)) {
case 0x0f000000:
- fprintf(f, "\n match IP ihl %u",
- ntohl(key->val) >> 24);
+ print_nl();
+ print_uint(PRINT_ANY, "ip_ihl", " match IP ihl %u",
+ ntohl(key->val) >> 24);
return;
case 0x00ff0000:
- fprintf(f, "\n match IP dsfield %#x",
- ntohl(key->val) >> 16);
+ print_nl();
+ print_0xhex(PRINT_ANY, "ip_dsfield", " match IP dsfield %#x",
+ ntohl(key->val) >> 16);
return;
}
break;
case 8:
if (ntohl(key->mask) == 0x00ff0000) {
- fprintf(f, "\n match IP protocol %d",
- ntohl(key->val) >> 16);
+ print_nl();
+ print_int(PRINT_ANY, "ip_protocol", " match IP protocol %d",
+ ntohl(key->val) >> 16);
return;
}
break;
@@ -909,11 +930,21 @@ static void print_ipv6(FILE *f, const struct tc_u32_key *key)
int bits = mask2bits(key->mask);
if (bits >= 0) {
- fprintf(f, "\n %s %s/%d",
- key->off == 12 ? "match IP src" : "match IP dst",
- inet_ntop(AF_INET, &key->val,
- abuf, sizeof(abuf)),
- bits);
+ const char *addr;
+
+ if (key->off == 12) {
+ print_nl();
+ print_null(PRINT_FP, NULL, " match IP src ", NULL);
+ open_json_object("src");
+ } else {
+ print_nl();
+ print_null(PRINT_FP, NULL, " match IP dst ", NULL);
+ open_json_object("dst");
+ }
+ addr = inet_ntop(AF_INET, &key->val, abuf, sizeof(abuf));
+ print_string(PRINT_ANY, "address", "%s", addr);
+ print_int(PRINT_ANY, "prefixlen", "/%d", bits);
+ close_json_object();
return;
}
}
@@ -922,31 +953,37 @@ static void print_ipv6(FILE *f, const struct tc_u32_key *key)
case 20:
switch (ntohl(key->mask)) {
case 0x0000ffff:
- fprintf(f, "\n match sport %u",
- ntohl(key->val) & 0xffff);
+ print_nl();
+ print_uint(PRINT_ANY, "sport", " match sport %u",
+ ntohl(key->val) & 0xffff);
return;
case 0xffff0000:
- fprintf(f, "\n match dport %u",
- ntohl(key->val) >> 16);
+ print_uint(PRINT_ANY, "dport", "match dport %u",
+ ntohl(key->val) >> 16);
return;
case 0xffffffff:
- fprintf(f, "\n match sport %u, match dport %u",
- ntohl(key->val) & 0xffff,
- ntohl(key->val) >> 16);
+ print_nl();
+ print_uint(PRINT_ANY, "sport", " match sport %u, ",
+ ntohl(key->val) & 0xffff);
+ print_uint(PRINT_ANY, "dport", "match dport %u",
+ ntohl(key->val) >> 16);
return;
}
/* XXX: Default print_raw */
}
+ close_json_object();
}
static void print_raw(FILE *f, const struct tc_u32_key *key)
{
- fprintf(f, "\n match %08x/%08x at %s%d",
- (unsigned int)ntohl(key->val),
- (unsigned int)ntohl(key->mask),
- key->offmask ? "nexthdr+" : "",
- key->off);
+ open_json_object("match");
+ print_nl();
+ print_hex(PRINT_ANY, "value", " match %08x", (unsigned int)ntohl(key->val));
+ print_hex(PRINT_ANY, "mask", "/%08x ", (unsigned int)ntohl(key->mask));
+ print_string(PRINT_ANY, "offmask", "at %s", key->offmask ? "nexthdr+" : "");
+ print_int(PRINT_ANY, "off", "%d", key->off);
+ close_json_object();
}
static const struct {
--
2.34.1
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