[RFC v2 12/12] pdump: mark API and application as deprecated

[Stephen Hemminger <stephen@networkplumber.org>]

When the pdump application is run print a warning.
Add release note about deprecation and mark the API's
as deprecated.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

pdump build deprecated
---
 app/pdump/main.c                     |  3 +++
 app/pdump/meson.build                |  1 +
 app/test-pmd/meson.build             |  1 +
 app/test/meson.build                 |  6 +++++-
 doc/guides/rel_notes/deprecation.rst |  3 +++
 lib/pdump/rte_pdump.h                | 12 +++++++++---
 6 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/app/pdump/main.c b/app/pdump/main.c
index fa85859703..a4e0f4e5ae 100644
--- a/app/pdump/main.c
+++ b/app/pdump/main.c
@@ -986,6 +986,9 @@ main(int argc, char **argv)
 	char mp_flag[] = "--proc-type=secondary";
 	char *argp[argc + 2];
 
+
+	fprintf(stderr, "%s: is deprecated use dpdk-dumpcap instead\n", argv[0]);
+
 	/* catch ctrl-c so we can cleanup on exit */
 	sigemptyset(&action.sa_mask);
 	sigaction(SIGTERM, &action, NULL);
diff --git a/app/pdump/meson.build b/app/pdump/meson.build
index a4c7dd44e7..1fe034fcb8 100644
--- a/app/pdump/meson.build
+++ b/app/pdump/meson.build
@@ -11,3 +11,4 @@ sources = files('main.c')
 deps += ['ethdev', 'kvargs', 'pdump']
 
 cflags += no_wvla_cflag
+cflags += '-Wno-deprecated-declarations'
diff --git a/app/test-pmd/meson.build b/app/test-pmd/meson.build
index e67665028f..3ab8280ce7 100644
--- a/app/test-pmd/meson.build
+++ b/app/test-pmd/meson.build
@@ -60,6 +60,7 @@ if dpdk_conf.has('RTE_LIB_METRICS')
 endif
 if dpdk_conf.has('RTE_LIB_PDUMP')
     deps += 'pdump'
+    cflags += '-Wno-deprecated-declarations'
 endif
 if dpdk_conf.has('RTE_NET_BNXT')
     deps += 'net_bnxt'
diff --git a/app/test/meson.build b/app/test/meson.build
index 07bc00148d..45ece2179c 100644
--- a/app/test/meson.build
+++ b/app/test/meson.build
@@ -138,7 +138,6 @@ source_file_deps = {
     'test_net_ip6.c': ['net'],
     'test_pcapng.c': ['ethdev', 'net', 'pcapng', 'bus_vdev'],
     'test_pdcp.c': ['eventdev', 'pdcp', 'net', 'timer', 'security'],
-    'test_pdump.c': ['pdump'] + sample_packet_forward_deps,
     'test_per_lcore.c': [],
     'test_pflock.c': [],
     'test_pie.c': ['sched'],
@@ -217,6 +216,11 @@ source_file_ext_deps = {
     'test_pcapng.c': ['pcap'],
 }
 
+if dpdk_conf.has('RTE_LIB_PDUMP')
+    source_file_deps += { 'test_pdump.c': ['pdump'] + sample_packet_forward_deps, }
+    cflags += '-Wno-deprecated-declarations'
+endif
+
 def_lib = get_option('default_library')
 foreach f, f_deps : source_file_deps
     has_deps = true
diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index e2d4125308..03a6b2712e 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -152,3 +152,6 @@ Deprecation Notices
 * bus/vmbus: Starting DPDK 25.11, all the vmbus API defined in
   ``drivers/bus/vmbus/rte_bus_vmbus.h`` will become internal to DPDK.
   Those API functions are used internally by DPDK core and netvsc PMD.
+
+* pdump: The pdump API and application have been deprecated and will
+  be removed in a later release.
diff --git a/lib/pdump/rte_pdump.h b/lib/pdump/rte_pdump.h
index 1e32d46097..bfea7c560d 100644
--- a/lib/pdump/rte_pdump.h
+++ b/lib/pdump/rte_pdump.h
@@ -39,6 +39,7 @@ enum {
  * @return
  *    0 on success, -1 on error
  */
+__rte_deprecated
 int
 rte_pdump_init(void);
 
@@ -50,6 +51,7 @@ rte_pdump_init(void);
  * @return
  *    0 on success, -1 on error
  */
+__rte_deprecated
 int
 rte_pdump_uninit(void);
 
@@ -75,7 +77,7 @@ rte_pdump_uninit(void);
  * @return
  *    0 on success, -1 on error, rte_errno is set accordingly.
  */
-
+__rte_deprecated
 int
 rte_pdump_enable(uint16_t port, uint16_t queue, uint32_t flags,
 		struct rte_ring *ring,
@@ -106,6 +108,7 @@ rte_pdump_enable(uint16_t port, uint16_t queue, uint32_t flags,
  * @return
  *    0 on success, -1 on error, rte_errno is set accordingly.
  */
+__rte_deprecated
 int
 rte_pdump_enable_bpf(uint16_t port_id, uint16_t queue,
 		     uint32_t flags, uint32_t snaplen,
@@ -129,7 +132,7 @@ rte_pdump_enable_bpf(uint16_t port_id, uint16_t queue,
  * @return
  *    0 on success, -1 on error, rte_errno is set accordingly.
  */
-
+__rte_deprecated
 int
 rte_pdump_disable(uint16_t port, uint16_t queue, uint32_t flags);
 
@@ -156,7 +159,7 @@ rte_pdump_disable(uint16_t port, uint16_t queue, uint32_t flags);
  * @return
  *    0 on success, -1 on error, rte_errno is set accordingly.
  */
-
+__rte_deprecated
 int
 rte_pdump_enable_by_deviceid(char *device_id, uint16_t queue,
 				uint32_t flags,
@@ -189,6 +192,7 @@ rte_pdump_enable_by_deviceid(char *device_id, uint16_t queue,
  * @return
  *    0 on success, -1 on error, rte_errno is set accordingly.
  */
+__rte_deprecated
 int
 rte_pdump_enable_bpf_by_deviceid(const char *device_id, uint16_t queue,
 				 uint32_t flags, uint32_t snaplen,
@@ -215,6 +219,7 @@ rte_pdump_enable_bpf_by_deviceid(const char *device_id, uint16_t queue,
  * @return
  *    0 on success, -1 on error, rte_errno is set accordingly.
  */
+__rte_deprecated
 int
 rte_pdump_disable_by_deviceid(char *device_id, uint16_t queue,
 				uint32_t flags);
@@ -243,6 +248,7 @@ struct rte_pdump_stats {
  * @return
  *   Zero if successful. -1 on error and rte_errno is set.
  */
+__rte_deprecated
 int
 rte_pdump_stats(uint16_t port_id, struct rte_pdump_stats *stats);
 
-- 
2.47.2