[PATCH 3/3] buildtools/dpdk-cmdline-gen: add explicit IPv4 and v6 types

[Bruce Richardson <bruce.richardson@intel.com>]

Add support for generating cmdline lib code to just match IPv4 addresses
or IPv6 addresses, rather than IP addresses in general.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
---
 buildtools/dpdk-cmdline-gen.py    | 12 ++++++++++++
 doc/guides/prog_guide/cmdline.rst |  4 ++++
 2 files changed, 16 insertions(+)

diff --git a/buildtools/dpdk-cmdline-gen.py b/buildtools/dpdk-cmdline-gen.py
index 8b4f22ca24..7dadded783 100755
--- a/buildtools/dpdk-cmdline-gen.py
+++ b/buildtools/dpdk-cmdline-gen.py
@@ -81,6 +81,18 @@ def process_command(lineno, tokens, comment):
                 f"static cmdline_parse_token_ipaddr_t cmd_{name}_{t_name}_tok =\n"
                 f"\tTOKEN_IPADDR_INITIALIZER(struct cmd_{name}_result, {t_name});"
             )
+        elif t_type in ["IPV4", "IPv4", "IPV4_ADDR"]:
+            result_struct.append(f"\tcmdline_ipaddr_t {t_name};")
+            initializers.append(
+                f"static cmdline_parse_token_ipaddr_t cmd_{name}_{t_name}_tok =\n"
+                f"\tTOKEN_IPV4_INITIALIZER(struct cmd_{name}_result, {t_name});"
+            )
+        elif t_type in ["IPV6", "IPv6", "IPV6_ADDR"]:
+            result_struct.append(f"\tcmdline_ipaddr_t {t_name};")
+            initializers.append(
+                f"static cmdline_parse_token_ipaddr_t cmd_{name}_{t_name}_tok =\n"
+                f"\tTOKEN_IPV6_INITIALIZER(struct cmd_{name}_result, {t_name});"
+            )
         elif t_type.startswith("(") and t_type.endswith(")"):
             result_struct.append(f"\tcmdline_fixed_string_t {t_name};")
             t_val = f'"{t_type[1:-1].replace(",","#")}"'
diff --git a/doc/guides/prog_guide/cmdline.rst b/doc/guides/prog_guide/cmdline.rst
index fc32d727dc..f62f17f1aa 100644
--- a/doc/guides/prog_guide/cmdline.rst
+++ b/doc/guides/prog_guide/cmdline.rst
@@ -70,6 +70,10 @@ The format of the list file must be:
 
   * ``<IP>src_ip``
 
+  * ``<IPv4>dst_ip4``
+
+  * ``<IPv6>dst_ip6``
+
 * Variable fields, which take their values from a list of options,
   have the comma-separated option list placed in braces, rather than a the type name.
   For example,
-- 
2.40.1