Add support for protocol IPv4/IPv6/Ethernet special formats.

Signed-off-by: Arkadi Sharshevsky <arka...@mellanox.com>
Signed-off-by: Jiri Pirko <j...@mellanox.com>
---
 devlink/devlink.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 1 deletion(-)

diff --git a/devlink/devlink.c b/devlink/devlink.c
index b87de38..39cda06 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -20,6 +20,7 @@
 #include <linux/genetlink.h>
 #include <linux/devlink.h>
 #include <libmnl/libmnl.h>
+#include <netinet/ether.h>
 
 #include "SNAPSHOT.h"
 #include "list.h"
@@ -3401,7 +3402,79 @@ struct dpipe_header_printer {
        unsigned int header_id;
 };
 
-static struct dpipe_header_printer *dpipe_header_printers[] = {};
+static void dpipe_field_printer_ipv4_addr(struct dpipe_ctx *ctx,
+                                         enum dpipe_value_type type,
+                                         void *value)
+{
+       struct in_addr ip_addr;
+
+       ip_addr.s_addr = htonl(*(uint32_t *)value);
+       pr_out_str(ctx->dl, dpipe_value_type_e2s(type), inet_ntoa(ip_addr));
+}
+
+static void
+dpipe_field_printer_ethernet_addr(struct dpipe_ctx *ctx,
+                                 enum dpipe_value_type type,
+                                 void *value)
+{
+       pr_out_str(ctx->dl, dpipe_value_type_e2s(type),
+                  ether_ntoa((struct ether_addr *)value));
+}
+
+static void dpipe_field_printer_ipv6_addr(struct dpipe_ctx *ctx,
+                                         enum dpipe_value_type type,
+                                         void *value)
+{
+       char str[INET6_ADDRSTRLEN];
+
+       inet_ntop(AF_INET6, value, str, INET6_ADDRSTRLEN);
+       pr_out_str(ctx->dl, dpipe_value_type_e2s(type), str);
+}
+
+static struct dpipe_field_printer dpipe_field_printers_ipv4[] = {
+       {
+               .printer = dpipe_field_printer_ipv4_addr,
+               .field_id = DEVLINK_DPIPE_FIELD_IPV4_DST_IP,
+       }
+};
+
+static struct dpipe_header_printer dpipe_header_printer_ipv4  = {
+       .printers = dpipe_field_printers_ipv4,
+       .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv4),
+       .header_id = DEVLINK_DPIPE_HEADER_IPV4,
+};
+
+static struct dpipe_field_printer dpipe_field_printers_ethernet[] = {
+       {
+               .printer = dpipe_field_printer_ethernet_addr,
+               .field_id = DEVLINK_DPIPE_FIELD_ETHERNET_DST_MAC,
+       },
+};
+
+static struct dpipe_header_printer dpipe_header_printer_ethernet = {
+       .printers = dpipe_field_printers_ethernet,
+       .printers_count = ARRAY_SIZE(dpipe_field_printers_ethernet),
+       .header_id = DEVLINK_DPIPE_HEADER_ETHERNET,
+};
+
+static struct dpipe_field_printer dpipe_field_printers_ipv6[] = {
+       {
+               .printer = dpipe_field_printer_ipv6_addr,
+               .field_id = DEVLINK_DPIPE_FIELD_IPV6_DST_IP,
+       }
+};
+
+static struct dpipe_header_printer dpipe_header_printer_ipv6 = {
+       .printers = dpipe_field_printers_ipv6,
+       .printers_count = ARRAY_SIZE(dpipe_field_printers_ipv6),
+       .header_id = DEVLINK_DPIPE_HEADER_IPV6,
+};
+
+static struct dpipe_header_printer *dpipe_header_printers[] = {
+       &dpipe_header_printer_ipv4,
+       &dpipe_header_printer_ethernet,
+       &dpipe_header_printer_ipv6,
+};
 
 static int dpipe_print_prot_header(struct dpipe_ctx *ctx,
                                   struct dpipe_op_info *info,
-- 
2.4.11

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