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