#include <linux/genetlink.h>
#include <linux/devlink.h>
#include <libmnl/libmnl.h>
+#include <netinet/ether.h>
#include "SNAPSHOT.h"
#include "list.h"
#include "mnlg.h"
#include "json_writer.h"
+#include "utils.h"
#define ESWITCH_MODE_LEGACY "legacy"
#define ESWITCH_MODE_SWITCHDEV "switchdev"
+#define ESWITCH_INLINE_MODE_NONE "none"
+#define ESWITCH_INLINE_MODE_LINK "link"
+#define ESWITCH_INLINE_MODE_NETWORK "network"
+#define ESWITCH_INLINE_MODE_TRANSPORT "transport"
#define pr_err(args...) fprintf(stderr, ##args)
-#define pr_out(args...) fprintf(stdout, ##args)
+#define pr_out(args...) \
+ do { \
+ if (g_indent_newline) { \
+ fprintf(stdout, "%s", g_indent_str); \
+ g_indent_newline = false; \
+ } \
+ fprintf(stdout, ##args); \
+ } while (0)
+
#define pr_out_sp(num, args...) \
do { \
int ret = fprintf(stdout, ##args); \
fprintf(stdout, "%*s", num - ret, ""); \
} while (0)
+static int g_indent_level;
+static bool g_indent_newline;
+#define INDENT_STR_STEP 2
+#define INDENT_STR_MAXLEN 32
+static char g_indent_str[INDENT_STR_MAXLEN + 1] = "";
+
+static void __pr_out_indent_inc(void)
+{
+ if (g_indent_level + INDENT_STR_STEP > INDENT_STR_MAXLEN)
+ return;
+ g_indent_level += INDENT_STR_STEP;
+ memset(g_indent_str, ' ', sizeof(g_indent_str));
+ g_indent_str[g_indent_level] = '\0';
+}
+
+static void __pr_out_indent_dec(void)
+{
+ if (g_indent_level - INDENT_STR_STEP < 0)
+ return;
+ g_indent_level -= INDENT_STR_STEP;
+ g_indent_str[g_indent_level] = '\0';
+}
+
+static void __pr_out_newline(void)
+{
+ pr_out("\n");
+ g_indent_newline = true;
+}
+
static int _mnlg_socket_recv_run(struct mnlg_socket *nlg,
mnl_cb_t data_cb, void *data)
{
free(ifname_map);
}
-#define BIT(nr) (1UL << (nr))
#define DL_OPT_HANDLE BIT(0)
#define DL_OPT_HANDLEP BIT(1)
#define DL_OPT_PORT_TYPE BIT(2)
#define DL_OPT_SB_TH BIT(9)
#define DL_OPT_SB_TC BIT(10)
#define DL_OPT_ESWITCH_MODE BIT(11)
+#define DL_OPT_ESWITCH_INLINE_MODE BIT(12)
+#define DL_OPT_DPIPE_TABLE_NAME BIT(13)
+#define DL_OPT_DPIPE_TABLE_COUNTERS BIT(14)
+#define DL_OPT_ESWITCH_ENCAP_MODE BIT(15)
struct dl_opts {
uint32_t present; /* flags of present items */
uint32_t sb_threshold;
uint16_t sb_tc_index;
enum devlink_eswitch_mode eswitch_mode;
+ enum devlink_eswitch_inline_mode eswitch_inline_mode;
+ const char *dpipe_table_name;
+ bool dpipe_counters_enable;
+ bool eswitch_encap_mode;
};
struct dl {
json_writer_t *jw;
bool json_output;
bool pretty_output;
+ bool verbose;
struct {
bool present;
char *bus_name;
return dl_argc(dl) == 0;
}
+static const enum mnl_attr_data_type devlink_policy[DEVLINK_ATTR_MAX + 1] = {
+ [DEVLINK_ATTR_BUS_NAME] = MNL_TYPE_NUL_STRING,
+ [DEVLINK_ATTR_DEV_NAME] = MNL_TYPE_NUL_STRING,
+ [DEVLINK_ATTR_PORT_INDEX] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_PORT_TYPE] = MNL_TYPE_U16,
+ [DEVLINK_ATTR_PORT_DESIRED_TYPE] = MNL_TYPE_U16,
+ [DEVLINK_ATTR_PORT_NETDEV_IFINDEX] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_PORT_NETDEV_NAME] = MNL_TYPE_NUL_STRING,
+ [DEVLINK_ATTR_PORT_IBDEV_NAME] = MNL_TYPE_NUL_STRING,
+ [DEVLINK_ATTR_SB_INDEX] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_SB_SIZE] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] = MNL_TYPE_U16,
+ [DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] = MNL_TYPE_U16,
+ [DEVLINK_ATTR_SB_INGRESS_TC_COUNT] = MNL_TYPE_U16,
+ [DEVLINK_ATTR_SB_EGRESS_TC_COUNT] = MNL_TYPE_U16,
+ [DEVLINK_ATTR_SB_POOL_INDEX] = MNL_TYPE_U16,
+ [DEVLINK_ATTR_SB_POOL_TYPE] = MNL_TYPE_U8,
+ [DEVLINK_ATTR_SB_POOL_SIZE] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = MNL_TYPE_U8,
+ [DEVLINK_ATTR_SB_THRESHOLD] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_SB_TC_INDEX] = MNL_TYPE_U16,
+ [DEVLINK_ATTR_SB_OCC_CUR] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_SB_OCC_MAX] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_ESWITCH_MODE] = MNL_TYPE_U16,
+ [DEVLINK_ATTR_ESWITCH_INLINE_MODE] = MNL_TYPE_U8,
+ [DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = MNL_TYPE_U8,
+ [DEVLINK_ATTR_DPIPE_TABLES] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_TABLE] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_TABLE_NAME] = MNL_TYPE_STRING,
+ [DEVLINK_ATTR_DPIPE_TABLE_SIZE] = MNL_TYPE_U64,
+ [DEVLINK_ATTR_DPIPE_TABLE_MATCHES] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED] = MNL_TYPE_U8,
+ [DEVLINK_ATTR_DPIPE_ENTRIES] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_ENTRY] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_ENTRY_INDEX] = MNL_TYPE_U64,
+ [DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_ENTRY_COUNTER] = MNL_TYPE_U64,
+ [DEVLINK_ATTR_DPIPE_MATCH] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_MATCH_VALUE] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_MATCH_TYPE] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_DPIPE_ACTION] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_ACTION_VALUE] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_ACTION_TYPE] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_DPIPE_VALUE_MAPPING] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_DPIPE_HEADERS] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_HEADER] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_HEADER_NAME] = MNL_TYPE_STRING,
+ [DEVLINK_ATTR_DPIPE_HEADER_ID] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_DPIPE_HEADER_FIELDS] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_HEADER_GLOBAL] = MNL_TYPE_U8,
+ [DEVLINK_ATTR_DPIPE_HEADER_INDEX] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_DPIPE_FIELD] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_DPIPE_FIELD_NAME] = MNL_TYPE_STRING,
+ [DEVLINK_ATTR_DPIPE_FIELD_ID] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE] = MNL_TYPE_U32,
+};
+
static int attr_cb(const struct nlattr *attr, void *data)
{
const struct nlattr **tb = data;
int type;
- type = mnl_attr_get_type(attr);
-
if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0)
return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_BUS_NAME &&
- mnl_attr_validate(attr, MNL_TYPE_NUL_STRING) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_DEV_NAME &&
- mnl_attr_validate(attr, MNL_TYPE_NUL_STRING) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_PORT_INDEX &&
- mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_PORT_TYPE &&
- mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_PORT_DESIRED_TYPE &&
- mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_PORT_NETDEV_IFINDEX &&
- mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_PORT_NETDEV_NAME &&
- mnl_attr_validate(attr, MNL_TYPE_NUL_STRING) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_PORT_IBDEV_NAME &&
- mnl_attr_validate(attr, MNL_TYPE_NUL_STRING) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_INDEX &&
- mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_SIZE &&
- mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_INGRESS_POOL_COUNT &&
- mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_EGRESS_POOL_COUNT &&
- mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_INGRESS_TC_COUNT &&
- mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_EGRESS_TC_COUNT &&
- mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_POOL_INDEX &&
- mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_POOL_TYPE &&
- mnl_attr_validate(attr, MNL_TYPE_U8) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_POOL_SIZE &&
- mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE &&
- mnl_attr_validate(attr, MNL_TYPE_U8) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_THRESHOLD &&
- mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_TC_INDEX &&
- mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_OCC_CUR &&
- mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_SB_OCC_MAX &&
- mnl_attr_validate(attr, MNL_TYPE_U32) < 0)
- return MNL_CB_ERROR;
- if (type == DEVLINK_ATTR_ESWITCH_MODE &&
- mnl_attr_validate(attr, MNL_TYPE_U16) < 0)
+ type = mnl_attr_get_type(attr);
+ if (mnl_attr_validate(attr, devlink_policy[type]) < 0)
return MNL_CB_ERROR;
+
tb[type] = attr;
return MNL_CB_OK;
}
char **p_bus_name, char **p_dev_name,
uint32_t *p_port_index)
{
- char *handlestr = handlestr;
- char *portstr = portstr;
+ char *handlestr;
+ char *portstr;
int err;
- strslashrsplit(str, &handlestr, &portstr);
+ err = strslashrsplit(str, &handlestr, &portstr);
+ if (err) {
+ pr_err("Port identification \"%s\" is invalid\n", str);
+ return err;
+ }
err = strtouint32_t(portstr, p_port_index);
if (err) {
pr_err("Port index \"%s\" is not a number or not within range\n",
portstr);
return err;
}
- strslashrsplit(handlestr, p_bus_name, p_dev_name);
+ err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
+ if (err) {
+ pr_err("Port identification \"%s\" is invalid\n", str);
+ return err;
+ }
return 0;
}
return 0;
}
+static int eswitch_inline_mode_get(const char *typestr,
+ enum devlink_eswitch_inline_mode *p_mode)
+{
+ if (strcmp(typestr, ESWITCH_INLINE_MODE_NONE) == 0) {
+ *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NONE;
+ } else if (strcmp(typestr, ESWITCH_INLINE_MODE_LINK) == 0) {
+ *p_mode = DEVLINK_ESWITCH_INLINE_MODE_LINK;
+ } else if (strcmp(typestr, ESWITCH_INLINE_MODE_NETWORK) == 0) {
+ *p_mode = DEVLINK_ESWITCH_INLINE_MODE_NETWORK;
+ } else if (strcmp(typestr, ESWITCH_INLINE_MODE_TRANSPORT) == 0) {
+ *p_mode = DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT;
+ } else {
+ pr_err("Unknown eswitch inline mode \"%s\"\n", typestr);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int dpipe_counters_enable_get(const char *typestr,
+ bool *counters_enable)
+{
+ if (strcmp(typestr, "enable") == 0) {
+ *counters_enable = 1;
+ } else if (strcmp(typestr, "disable") == 0) {
+ *counters_enable = 0;
+ } else {
+ pr_err("Unknown counter_state \"%s\"\n", typestr);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int eswitch_encap_mode_get(const char *typestr, bool *p_mode)
+{
+ if (strcmp(typestr, "enable") == 0) {
+ *p_mode = true;
+ } else if (strcmp(typestr, "disable") == 0) {
+ *p_mode = false;
+ } else {
+ pr_err("Unknown eswitch encap mode \"%s\"\n", typestr);
+ return -EINVAL;
+ }
+ return 0;
+}
+
static int dl_argv_parse(struct dl *dl, uint32_t o_required,
uint32_t o_optional)
{
int err;
if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) {
- uint32_t handle_bit = handle_bit;
+ uint32_t handle_bit;
err = dl_argv_handle_both(dl, &opts->bus_name, &opts->dev_name,
&opts->port_index, &handle_bit);
if (err)
return err;
o_found |= DL_OPT_ESWITCH_MODE;
+ } else if (dl_argv_match(dl, "inline-mode") &&
+ (o_all & DL_OPT_ESWITCH_INLINE_MODE)) {
+ const char *typestr;
+
+ dl_arg_inc(dl);
+ err = dl_argv_str(dl, &typestr);
+ if (err)
+ return err;
+ err = eswitch_inline_mode_get(
+ typestr, &opts->eswitch_inline_mode);
+ if (err)
+ return err;
+ o_found |= DL_OPT_ESWITCH_INLINE_MODE;
+ } else if (dl_argv_match(dl, "name") &&
+ (o_all & DL_OPT_DPIPE_TABLE_NAME)) {
+ dl_arg_inc(dl);
+ err = dl_argv_str(dl, &opts->dpipe_table_name);
+ if (err)
+ return err;
+ o_found |= DL_OPT_DPIPE_TABLE_NAME;
+ } else if (dl_argv_match(dl, "counters") &&
+ (o_all & DL_OPT_DPIPE_TABLE_COUNTERS)) {
+ const char *typestr;
+
+ dl_arg_inc(dl);
+ err = dl_argv_str(dl, &typestr);
+ if (err)
+ return err;
+ err = dpipe_counters_enable_get(typestr,
+ &opts->dpipe_counters_enable);
+ if (err)
+ return err;
+ o_found |= DL_OPT_DPIPE_TABLE_COUNTERS;
+ } else if (dl_argv_match(dl, "encap") &&
+ (o_all & DL_OPT_ESWITCH_ENCAP_MODE)) {
+ const char *typestr;
+
+ dl_arg_inc(dl);
+ err = dl_argv_str(dl, &typestr);
+ if (err)
+ return err;
+ err = eswitch_encap_mode_get(typestr,
+ &opts->eswitch_encap_mode);
+ if (err)
+ return err;
+ o_found |= DL_OPT_ESWITCH_ENCAP_MODE;
} else {
pr_err("Unknown option \"%s\"\n", dl_argv(dl));
return -EINVAL;
return -EINVAL;
}
+ if ((o_required & DL_OPT_ESWITCH_INLINE_MODE) &&
+ !(o_found & DL_OPT_ESWITCH_INLINE_MODE)) {
+ pr_err("E-Switch inline-mode option expected.\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_DPIPE_TABLE_NAME) &&
+ !(o_found & DL_OPT_DPIPE_TABLE_NAME)) {
+ pr_err("Dpipe table name expected\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_DPIPE_TABLE_COUNTERS) &&
+ !(o_found & DL_OPT_DPIPE_TABLE_COUNTERS)) {
+ pr_err("Dpipe table counter state expected\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_ESWITCH_ENCAP_MODE) &&
+ !(o_found & DL_OPT_ESWITCH_ENCAP_MODE)) {
+ pr_err("E-Switch encapsulation option expected.\n");
+ return -EINVAL;
+ }
+
return 0;
}
if (opts->present & DL_OPT_ESWITCH_MODE)
mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE,
opts->eswitch_mode);
+ if (opts->present & DL_OPT_ESWITCH_INLINE_MODE)
+ mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_INLINE_MODE,
+ opts->eswitch_inline_mode);
+ if (opts->present & DL_OPT_DPIPE_TABLE_NAME)
+ mnl_attr_put_strz(nlh, DEVLINK_ATTR_DPIPE_TABLE_NAME,
+ opts->dpipe_table_name);
+ if (opts->present & DL_OPT_DPIPE_TABLE_COUNTERS)
+ mnl_attr_put_u8(nlh, DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED,
+ opts->dpipe_counters_enable);
+ if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE)
+ mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE,
+ opts->eswitch_encap_mode);
}
static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
static void cmd_dev_help(void)
{
pr_err("Usage: devlink dev show [ DEV ]\n");
+ pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n");
+ pr_err(" [ inline-mode { none | link | network | transport } ]\n");
+ pr_err(" [ encap { disable | enable } ]\n");
+ pr_err(" devlink dev eswitch show DEV\n");
}
static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name,
jsonw_start_object(dl->jw);
}
} else {
- pr_out("%s%s", buf, content ? ":" : "");
+ if (array) {
+ if (should_arr_last_handle_end(dl, bus_name, dev_name))
+ __pr_out_indent_dec();
+ if (should_arr_last_handle_start(dl, bus_name,
+ dev_name)) {
+ pr_out("%s%s", buf, content ? ":" : "");
+ __pr_out_newline();
+ __pr_out_indent_inc();
+ arr_last_handle_set(dl, bus_name, dev_name);
+ }
+ } else {
+ pr_out("%s%s", buf, content ? ":" : "");
+ }
}
}
if (dl->json_output)
jsonw_end_object(dl->jw);
else
- pr_out("\n");
+ __pr_out_newline();
}
static void pr_out_handle(struct dl *dl, struct nlattr **tb)
static void pr_out_str(struct dl *dl, const char *name, const char *val)
{
- if (dl->json_output)
+ if (dl->json_output) {
jsonw_string_field(dl->jw, name, val);
- else
- pr_out(" %s %s", name, val);
+ } else {
+ if (g_indent_newline)
+ pr_out("%s %s", name, val);
+ else
+ pr_out(" %s %s", name, val);
+ }
}
static void pr_out_uint(struct dl *dl, const char *name, unsigned int val)
{
- if (dl->json_output)
+ if (dl->json_output) {
jsonw_uint_field(dl->jw, name, val);
- else
- pr_out(" %s %u", name, val);
+ } else {
+ if (g_indent_newline)
+ pr_out("%s %u", name, val);
+ else
+ pr_out(" %s %u", name, val);
+ }
}
static void pr_out_dev(struct dl *dl, struct nlattr **tb)
}
}
+static void pr_out_array_start(struct dl *dl, const char *name)
+{
+ if (dl->json_output) {
+ jsonw_name(dl->jw, name);
+ jsonw_start_array(dl->jw);
+ } else {
+ if (!g_indent_newline)
+ __pr_out_newline();
+ pr_out("%s:", name);
+ __pr_out_newline();
+ __pr_out_indent_inc();
+ }
+}
+
+static void pr_out_array_end(struct dl *dl)
+{
+ if (dl->json_output)
+ jsonw_end_array(dl->jw);
+ else
+ __pr_out_indent_dec();
+}
+
+static void pr_out_entry_start(struct dl *dl)
+{
+ if (dl->json_output)
+ jsonw_start_object(dl->jw);
+}
+
+static void pr_out_entry_end(struct dl *dl)
+{
+ if (dl->json_output)
+ jsonw_end_object(dl->jw);
+ else
+ __pr_out_newline();
+}
+
static const char *eswitch_mode_name(uint32_t mode)
{
switch (mode) {
}
}
+static const char *eswitch_inline_mode_name(uint32_t mode)
+{
+ switch (mode) {
+ case DEVLINK_ESWITCH_INLINE_MODE_NONE:
+ return ESWITCH_INLINE_MODE_NONE;
+ case DEVLINK_ESWITCH_INLINE_MODE_LINK:
+ return ESWITCH_INLINE_MODE_LINK;
+ case DEVLINK_ESWITCH_INLINE_MODE_NETWORK:
+ return ESWITCH_INLINE_MODE_NETWORK;
+ case DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT:
+ return ESWITCH_INLINE_MODE_TRANSPORT;
+ default:
+ return "<unknown mode>";
+ }
+}
+
static void pr_out_eswitch(struct dl *dl, struct nlattr **tb)
{
__pr_out_handle_start(dl, tb, true, false);
if (tb[DEVLINK_ATTR_ESWITCH_MODE])
pr_out_str(dl, "mode",
eswitch_mode_name(mnl_attr_get_u16(tb[DEVLINK_ATTR_ESWITCH_MODE])));
+
+ if (tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])
+ pr_out_str(dl, "inline-mode",
+ eswitch_inline_mode_name(mnl_attr_get_u8(
+ tb[DEVLINK_ATTR_ESWITCH_INLINE_MODE])));
+
+ if (tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]) {
+ bool encap_mode = !!mnl_attr_get_u8(tb[DEVLINK_ATTR_ESWITCH_ENCAP_MODE]);
+
+ pr_out_str(dl, "encap", encap_mode ? "enable" : "disable");
+ }
+
pr_out_handle_end(dl);
}
struct nlmsghdr *nlh;
int err;
- nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_MODE_GET,
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_GET,
NLM_F_REQUEST | NLM_F_ACK);
err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
struct nlmsghdr *nlh;
int err;
- nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_MODE_SET,
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_SET,
NLM_F_REQUEST | NLM_F_ACK);
- err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_ESWITCH_MODE, 0);
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE,
+ DL_OPT_ESWITCH_MODE |
+ DL_OPT_ESWITCH_INLINE_MODE |
+ DL_OPT_ESWITCH_ENCAP_MODE);
+
if (err)
return err;
+ if (dl->opts.present == 1) {
+ pr_err("Need to set at least one option\n");
+ return -ENOENT;
+ }
+
return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
}
static int cmd_dev_eswitch(struct dl *dl)
{
- if (dl_argv_match(dl, "set")) {
+ if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
+ cmd_dev_help();
+ return 0;
+ } else if (dl_argv_match(dl, "set")) {
dl_arg_inc(dl);
return cmd_dev_eswitch_set(dl);
} else if (dl_argv_match(dl, "show")) {
return -ENOENT;
}
-static void help(void)
+struct dpipe_field {
+ char *name;
+ unsigned int id;
+ unsigned int bitwidth;
+ enum devlink_dpipe_field_mapping_type mapping_type;
+};
+
+struct dpipe_header {
+ struct list_head list;
+ char *name;
+ unsigned int id;
+ struct dpipe_field *fields;
+ unsigned int fields_count;
+};
+
+struct dpipe_ctx {
+ struct dl *dl;
+ int err;
+ struct list_head global_headers;
+ struct list_head local_headers;
+ bool print_headers;
+};
+
+static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count)
{
- pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
- "where OBJECT := { dev | port | sb | monitor }\n"
- " OPTIONS := { -V[ersion] | -n[no-nice-names] }\n");
+ struct dpipe_header *header;
+
+ header = calloc(1, sizeof(struct dpipe_header));
+ if (!header)
+ return NULL;
+ header->fields = calloc(fields_count, sizeof(struct dpipe_field));
+ if (!header->fields)
+ goto err_fields_alloc;
+ header->fields_count = fields_count;
+ return header;
+
+err_fields_alloc:
+ free(header);
+ return NULL;
}
-static int dl_cmd(struct dl *dl)
+static void dpipe_header_free(struct dpipe_header *header)
{
- if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
- help();
- return 0;
- } else if (dl_argv_match(dl, "dev")) {
- dl_arg_inc(dl);
- return cmd_dev(dl);
- } else if (dl_argv_match(dl, "port")) {
- dl_arg_inc(dl);
- return cmd_port(dl);
- } else if (dl_argv_match(dl, "sb")) {
- dl_arg_inc(dl);
- return cmd_sb(dl);
- } else if (dl_argv_match(dl, "monitor")) {
- dl_arg_inc(dl);
- return cmd_mon(dl);
- }
- pr_err("Object \"%s\" not found\n", dl_argv(dl));
- return -ENOENT;
+ free(header->fields);
+ free(header);
}
-static int dl_init(struct dl *dl, int argc, char **argv)
+static void dpipe_header_clear(struct dpipe_header *header)
{
- int err;
-
- dl->argc = argc;
- dl->argv = argv;
-
- dl->nlg = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
- if (!dl->nlg) {
- pr_err("Failed to connect to devlink Netlink\n");
- return -errno;
- }
+ struct dpipe_field *field;
+ int i;
- err = ifname_map_init(dl);
- if (err) {
- pr_err("Failed to create index map\n");
- goto err_ifname_map_create;
- }
- if (dl->json_output) {
- dl->jw = jsonw_new(stdout);
- if (!dl->jw) {
- pr_err("Failed to create JSON writer\n");
- goto err_json_new;
- }
- jsonw_pretty(dl->jw, dl->pretty_output);
+ for (i = 0; i < header->fields_count; i++) {
+ field = &header->fields[i];
+ free(field->name);
}
- return 0;
+ free(header->name);
+}
-err_json_new:
- ifname_map_fini(dl);
-err_ifname_map_create:
- mnlg_socket_close(dl->nlg);
- return err;
+static void dpipe_header_add(struct dpipe_ctx *ctx,
+ struct dpipe_header *header, bool global)
+{
+ if (global)
+ list_add(&header->list, &ctx->global_headers);
+ else
+ list_add(&header->list, &ctx->local_headers);
}
-static void dl_fini(struct dl *dl)
+static void dpipe_header_del(struct dpipe_header *header)
{
- if (dl->json_output)
- jsonw_destroy(&dl->jw);
- ifname_map_fini(dl);
- mnlg_socket_close(dl->nlg);
+ list_del(&header->list);
}
-static struct dl *dl_alloc(void)
+static struct dpipe_ctx *dpipe_ctx_alloc(struct dl *dl)
{
- struct dl *dl;
+ struct dpipe_ctx *ctx;
- dl = calloc(1, sizeof(*dl));
- if (!dl)
+ ctx = calloc(1, sizeof(struct dpipe_ctx));
+ if (!ctx)
return NULL;
- return dl;
+ ctx->dl = dl;
+ INIT_LIST_HEAD(&ctx->global_headers);
+ INIT_LIST_HEAD(&ctx->local_headers);
+ return ctx;
}
-static void dl_free(struct dl *dl)
+static void dpipe_ctx_free(struct dpipe_ctx *ctx)
{
- free(dl);
+ free(ctx);
}
-int main(int argc, char **argv)
+static void dpipe_ctx_clear(struct dpipe_ctx *ctx)
{
- static const struct option long_options[] = {
- { "Version", no_argument, NULL, 'V' },
- { "no-nice-names", no_argument, NULL, 'n' },
- { "json", no_argument, NULL, 'j' },
- { "pretty", no_argument, NULL, 'p' },
- { NULL, 0, NULL, 0 }
- };
+ struct dpipe_header *header, *tmp;
+
+ list_for_each_entry_safe(header, tmp, &ctx->global_headers,
+ list) {
+ dpipe_header_del(header);
+ dpipe_header_clear(header);
+ dpipe_header_free(header);
+ }
+ list_for_each_entry_safe(header, tmp, &ctx->local_headers,
+ list) {
+ dpipe_header_del(header);
+ dpipe_header_clear(header);
+ dpipe_header_free(header);
+ }
+}
+
+static const char *dpipe_header_id2s(struct dpipe_ctx *ctx,
+ uint32_t header_id, bool global)
+{
+ struct list_head *header_list;
+ struct dpipe_header *header;
+
+ if (global)
+ header_list = &ctx->global_headers;
+ else
+ header_list = &ctx->local_headers;
+ list_for_each_entry(header, header_list, list) {
+ if (header->id != header_id)
+ continue;
+ return header->name;
+ }
+ return NULL;
+}
+
+static const char *dpipe_field_id2s(struct dpipe_ctx *ctx,
+ uint32_t header_id,
+ uint32_t field_id, bool global)
+{
+ struct list_head *header_list;
+ struct dpipe_header *header;
+
+ if (global)
+ header_list = &ctx->global_headers;
+ else
+ header_list = &ctx->local_headers;
+ list_for_each_entry(header, header_list, list) {
+ if (header->id != header_id)
+ continue;
+ return header->fields[field_id].name;
+ }
+ return NULL;
+}
+
+static const char *
+dpipe_field_mapping_e2s(enum devlink_dpipe_field_mapping_type mapping_type)
+{
+ switch (mapping_type) {
+ case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_NONE:
+ return NULL;
+ case DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX:
+ return "ifindex";
+ default:
+ return "<unknown>";
+ }
+}
+
+static const char *
+dpipe_mapping_get(struct dpipe_ctx *ctx, uint32_t header_id,
+ uint32_t field_id, bool global)
+{
+ enum devlink_dpipe_field_mapping_type mapping_type;
+ struct list_head *header_list;
+ struct dpipe_header *header;
+
+ if (global)
+ header_list = &ctx->global_headers;
+ else
+ header_list = &ctx->local_headers;
+ list_for_each_entry(header, header_list, list) {
+ if (header->id != header_id)
+ continue;
+ mapping_type = header->fields[field_id].mapping_type;
+ return dpipe_field_mapping_e2s(mapping_type);
+ }
+ return NULL;
+}
+
+static void pr_out_dpipe_fields(struct dpipe_ctx *ctx,
+ struct dpipe_field *fields,
+ unsigned int field_count)
+{
+ struct dpipe_field *field;
+ int i;
+
+ for (i = 0; i < field_count; i++) {
+ field = &fields[i];
+ pr_out_entry_start(ctx->dl);
+ pr_out_str(ctx->dl, "name", field->name);
+ if (ctx->dl->verbose)
+ pr_out_uint(ctx->dl, "id", field->id);
+ pr_out_uint(ctx->dl, "bitwidth", field->bitwidth);
+ if (field->mapping_type)
+ pr_out_str(ctx->dl, "mapping_type",
+ dpipe_field_mapping_e2s(field->mapping_type));
+ pr_out_entry_end(ctx->dl);
+ }
+}
+
+static void
+pr_out_dpipe_header(struct dpipe_ctx *ctx, struct nlattr **tb,
+ struct dpipe_header *header, bool global)
+{
+ pr_out_handle_start_arr(ctx->dl, tb);
+ pr_out_str(ctx->dl, "name", header->name);
+ if (ctx->dl->verbose) {
+ pr_out_uint(ctx->dl, "id", header->id);
+ pr_out_str(ctx->dl, "global",
+ global ? "true" : "false");
+ }
+ pr_out_array_start(ctx->dl, "field");
+ pr_out_dpipe_fields(ctx, header->fields,
+ header->fields_count);
+ pr_out_array_end(ctx->dl);
+ pr_out_handle_end(ctx->dl);
+}
+
+static void pr_out_dpipe_headers(struct dpipe_ctx *ctx,
+ struct nlattr **tb)
+{
+ struct dpipe_header *header;
+
+ list_for_each_entry(header, &ctx->local_headers, list)
+ pr_out_dpipe_header(ctx, tb, header, false);
+
+ list_for_each_entry(header, &ctx->global_headers, list)
+ pr_out_dpipe_header(ctx, tb, header, true);
+}
+
+static int dpipe_header_field_get(struct nlattr *nl, struct dpipe_field *field)
+{
+ struct nlattr *nla_field[DEVLINK_ATTR_MAX + 1] = {};
+ const char *name;
+ int err;
+
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_field);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+ if (!nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID] ||
+ !nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME] ||
+ !nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH] ||
+ !nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE])
+ return -EINVAL;
+
+ name = mnl_attr_get_str(nla_field[DEVLINK_ATTR_DPIPE_FIELD_NAME]);
+ field->id = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_ID]);
+ field->bitwidth = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_BITWIDTH]);
+ field->name = strdup(name);
+ if (!field->name)
+ return -ENOMEM;
+ field->mapping_type = mnl_attr_get_u32(nla_field[DEVLINK_ATTR_DPIPE_FIELD_MAPPING_TYPE]);
+ return 0;
+}
+
+static int dpipe_header_fields_get(struct nlattr *nla_fields,
+ struct dpipe_field *fields)
+{
+ struct nlattr *nla_field;
+ int count = 0;
+ int err;
+
+ mnl_attr_for_each_nested(nla_field, nla_fields) {
+ err = dpipe_header_field_get(nla_field, &fields[count]);
+ if (err)
+ return err;
+ count++;
+ }
+ return 0;
+}
+
+static unsigned int dpipe_header_field_count_get(struct nlattr *nla_fields)
+{
+ struct nlattr *nla_field;
+ unsigned int count = 0;
+
+ mnl_attr_for_each_nested(nla_field, nla_fields)
+ count++;
+ return count;
+}
+
+static int dpipe_header_get(struct dpipe_ctx *ctx, struct nlattr *nl)
+{
+ struct nlattr *nla_header[DEVLINK_ATTR_MAX + 1] = {};
+ struct dpipe_header *header;
+ unsigned int fields_count;
+ const char *header_name;
+ bool global;
+ int err;
+
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_header);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+
+ if (!nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME] ||
+ !nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
+ !nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS])
+ return -EINVAL;
+
+ fields_count = dpipe_header_field_count_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS]);
+ header = dpipe_header_alloc(fields_count);
+ if (!header)
+ return -ENOMEM;
+
+ header_name = mnl_attr_get_str(nla_header[DEVLINK_ATTR_DPIPE_HEADER_NAME]);
+ header->name = strdup(header_name);
+ header->id = mnl_attr_get_u32(nla_header[DEVLINK_ATTR_DPIPE_HEADER_ID]);
+ header->fields_count = fields_count;
+ global = !!mnl_attr_get_u8(nla_header[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
+
+ err = dpipe_header_fields_get(nla_header[DEVLINK_ATTR_DPIPE_HEADER_FIELDS],
+ header->fields);
+ if (err)
+ goto err_field_get;
+ dpipe_header_add(ctx, header, global);
+ return 0;
+
+err_field_get:
+ dpipe_header_free(header);
+ return err;
+}
+
+static int dpipe_headers_get(struct dpipe_ctx *ctx, struct nlattr **tb)
+{
+ struct nlattr *nla_headers = tb[DEVLINK_ATTR_DPIPE_HEADERS];
+ struct nlattr *nla_header;
+ int err;
+
+ mnl_attr_for_each_nested(nla_header, nla_headers) {
+ err = dpipe_header_get(ctx, nla_header);
+ if (err)
+ return err;
+ }
+ return 0;
+}
+
+static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct dpipe_ctx *ctx = data;
+ struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ int err;
+
+ mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
+ if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
+ !tb[DEVLINK_ATTR_DPIPE_HEADERS])
+ return MNL_CB_ERROR;
+ err = dpipe_headers_get(ctx, tb);
+ if (err) {
+ ctx->err = err;
+ return MNL_CB_ERROR;
+ }
+
+ if (ctx->print_headers)
+ pr_out_dpipe_headers(ctx, tb);
+ return MNL_CB_OK;
+}
+
+static int cmd_dpipe_headers_show(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ struct dpipe_ctx *ctx;
+ uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
+ int err;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
+
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
+ if (err)
+ return err;
+
+ ctx = dpipe_ctx_alloc(dl);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->print_headers = true;
+
+ pr_out_section_start(dl, "header");
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, ctx);
+ if (err)
+ pr_err("error get headers %s\n", strerror(ctx->err));
+ pr_out_section_end(dl);
+
+ dpipe_ctx_clear(ctx);
+ dpipe_ctx_free(ctx);
+ return err;
+}
+
+static void cmd_dpipe_header_help(void)
+{
+ pr_err("Usage: devlink dpipe headers show DEV\n");
+}
+
+static int cmd_dpipe_header(struct dl *dl)
+{
+ if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
+ cmd_dpipe_header_help();
+ return 0;
+ } else if (dl_argv_match(dl, "show")) {
+ dl_arg_inc(dl);
+ return cmd_dpipe_headers_show(dl);
+ }
+ pr_err("Command \"%s\" not found\n", dl_argv(dl));
+ return -ENOENT;
+}
+
+static const char
+*dpipe_action_type_e2s(enum devlink_dpipe_action_type action_type)
+{
+ switch (action_type) {
+ case DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY:
+ return "field_modify";
+ default:
+ return "<unknown>";
+ }
+}
+
+struct dpipe_op_info {
+ uint32_t header_id;
+ uint32_t field_id;
+ bool header_global;
+};
+
+struct dpipe_action {
+ struct dpipe_op_info info;
+ uint32_t type;
+};
+
+static void pr_out_dpipe_action(struct dpipe_action *action,
+ struct dpipe_ctx *ctx)
+{
+ struct dpipe_op_info *op_info = &action->info;
+ const char *mapping;
+
+ pr_out_str(ctx->dl, "type",
+ dpipe_action_type_e2s(action->type));
+ pr_out_str(ctx->dl, "header",
+ dpipe_header_id2s(ctx, op_info->header_id,
+ op_info->header_global));
+ pr_out_str(ctx->dl, "field",
+ dpipe_field_id2s(ctx, op_info->header_id,
+ op_info->field_id,
+ op_info->header_global));
+ mapping = dpipe_mapping_get(ctx, op_info->header_id,
+ op_info->field_id,
+ op_info->header_global);
+ if (mapping)
+ pr_out_str(ctx->dl, "mapping", mapping);
+}
+
+static int dpipe_action_parse(struct dpipe_action *action, struct nlattr *nl)
+{
+ struct nlattr *nla_action[DEVLINK_ATTR_MAX + 1] = {};
+ int err;
+
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_action);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+
+ if (!nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE] ||
+ !nla_action[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
+ !nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
+ !nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
+ return -EINVAL;
+ }
+
+ action->type = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_ACTION_TYPE]);
+ action->info.header_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_HEADER_ID]);
+ action->info.field_id = mnl_attr_get_u32(nla_action[DEVLINK_ATTR_DPIPE_FIELD_ID]);
+ action->info.header_global = !!mnl_attr_get_u8(nla_action[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
+
+ return 0;
+}
+
+static int dpipe_table_actions_show(struct dpipe_ctx *ctx,
+ struct nlattr *nla_actions)
+{
+ struct nlattr *nla_action;
+ struct dpipe_action action;
+
+ mnl_attr_for_each_nested(nla_action, nla_actions) {
+ pr_out_entry_start(ctx->dl);
+ if (dpipe_action_parse(&action, nla_action))
+ goto err_action_parse;
+ pr_out_dpipe_action(&action, ctx);
+ pr_out_entry_end(ctx->dl);
+ }
+ return 0;
+
+err_action_parse:
+ pr_out_entry_end(ctx->dl);
+ return -EINVAL;
+}
+
+static const char *
+dpipe_match_type_e2s(enum devlink_dpipe_match_type match_type)
+{
+ switch (match_type) {
+ case DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT:
+ return "field_exact";
+ default:
+ return "<unknown>";
+ }
+}
+
+struct dpipe_match {
+ struct dpipe_op_info info;
+ uint32_t type;
+};
+
+static void pr_out_dpipe_match(struct dpipe_match *match,
+ struct dpipe_ctx *ctx)
+{
+ struct dpipe_op_info *op_info = &match->info;
+ const char *mapping;
+
+ pr_out_str(ctx->dl, "type",
+ dpipe_match_type_e2s(match->type));
+ pr_out_str(ctx->dl, "header",
+ dpipe_header_id2s(ctx, op_info->header_id,
+ op_info->header_global));
+ pr_out_str(ctx->dl, "field",
+ dpipe_field_id2s(ctx, op_info->header_id,
+ op_info->field_id,
+ op_info->header_global));
+ mapping = dpipe_mapping_get(ctx, op_info->header_id,
+ op_info->field_id,
+ op_info->header_global);
+ if (mapping)
+ pr_out_str(ctx->dl, "mapping", mapping);
+}
+
+static int dpipe_match_parse(struct dpipe_match *match,
+ struct nlattr *nl)
+
+{
+ struct nlattr *nla_match[DEVLINK_ATTR_MAX + 1] = {};
+ int err;
+
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_match);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+
+ if (!nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE] ||
+ !nla_match[DEVLINK_ATTR_DPIPE_HEADER_INDEX] ||
+ !nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID] ||
+ !nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]) {
+ return -EINVAL;
+ }
+
+ match->type = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_MATCH_TYPE]);
+ match->info.header_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_HEADER_ID]);
+ match->info.field_id = mnl_attr_get_u32(nla_match[DEVLINK_ATTR_DPIPE_FIELD_ID]);
+ match->info.header_global = !!mnl_attr_get_u8(nla_match[DEVLINK_ATTR_DPIPE_HEADER_GLOBAL]);
+
+ return 0;
+}
+
+static int dpipe_table_matches_show(struct dpipe_ctx *ctx,
+ struct nlattr *nla_matches)
+{
+ struct nlattr *nla_match;
+ struct dpipe_match match;
+
+ mnl_attr_for_each_nested(nla_match, nla_matches) {
+ pr_out_entry_start(ctx->dl);
+ if (dpipe_match_parse(&match, nla_match))
+ goto err_match_parse;
+ pr_out_dpipe_match(&match, ctx);
+ pr_out_entry_end(ctx->dl);
+ }
+ return 0;
+
+err_match_parse:
+ pr_out_entry_end(ctx->dl);
+ return -EINVAL;
+}
+
+static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl)
+{
+ struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {};
+ bool counters_enabled;
+ const char *name;
+ uint32_t size;
+ int err;
+
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_table);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+
+ if (!nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME] ||
+ !nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE] ||
+ !nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS] ||
+ !nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES] ||
+ !nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]) {
+ return -EINVAL;
+ }
+
+ name = mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME]);
+ size = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_SIZE]);
+ counters_enabled = !!mnl_attr_get_u8(nla_table[DEVLINK_ATTR_DPIPE_TABLE_COUNTERS_ENABLED]);
+
+ pr_out_str(ctx->dl, "name", name);
+ pr_out_uint(ctx->dl, "size", size);
+ pr_out_str(ctx->dl, "counters_enabled",
+ counters_enabled ? "true" : "false");
+
+ pr_out_array_start(ctx->dl, "match");
+ if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES]))
+ goto err_matches_show;
+ pr_out_array_end(ctx->dl);
+
+ pr_out_array_start(ctx->dl, "action");
+ if (dpipe_table_actions_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_ACTIONS]))
+ goto err_actions_show;
+ pr_out_array_end(ctx->dl);
+
+ return 0;
+
+err_actions_show:
+err_matches_show:
+ pr_out_array_end(ctx->dl);
+ return -EINVAL;
+}
+
+static int dpipe_tables_show(struct dpipe_ctx *ctx, struct nlattr **tb)
+{
+ struct nlattr *nla_tables = tb[DEVLINK_ATTR_DPIPE_TABLES];
+ struct nlattr *nla_table;
+
+ mnl_attr_for_each_nested(nla_table, nla_tables) {
+ pr_out_handle_start_arr(ctx->dl, tb);
+ if (dpipe_table_show(ctx, nla_table))
+ goto err_table_show;
+ pr_out_handle_end(ctx->dl);
+ }
+ return 0;
+
+err_table_show:
+ pr_out_handle_end(ctx->dl);
+ return -EINVAL;
+}
+
+static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct dpipe_ctx *ctx = data;
+ struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+
+ mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
+ if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
+ !tb[DEVLINK_ATTR_DPIPE_TABLES])
+ return MNL_CB_ERROR;
+
+ if (dpipe_tables_show(ctx, tb))
+ return MNL_CB_ERROR;
+ return MNL_CB_OK;
+}
+
+static int cmd_dpipe_table_show(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ struct dpipe_ctx *ctx;
+ uint16_t flags = NLM_F_REQUEST;
+ int err;
+
+ ctx = dpipe_ctx_alloc(dl);
+ if (!ctx)
+ return -ENOMEM;
+
+ err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME);
+ if (err)
+ goto out;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
+ dl_opts_put(nlh, dl);
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, ctx);
+ if (err) {
+ pr_err("error get headers %s\n", strerror(ctx->err));
+ goto out;
+ }
+
+ flags = NLM_F_REQUEST | NLM_F_ACK;
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET, flags);
+ dl_opts_put(nlh, dl);
+
+ pr_out_section_start(dl, "table");
+ _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, ctx);
+ pr_out_section_end(dl);
+out:
+ dpipe_ctx_clear(ctx);
+ dpipe_ctx_free(ctx);
+ return err;
+}
+
+static int cmd_dpipe_table_set(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ int err;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_COUNTERS_SET,
+ NLM_F_REQUEST | NLM_F_ACK);
+
+ err = dl_argv_parse_put(nlh, dl,
+ DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME |
+ DL_OPT_DPIPE_TABLE_COUNTERS, 0);
+ if (err)
+ return err;
+
+ return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
+}
+
+enum dpipe_value_type {
+ DPIPE_VALUE_TYPE_VALUE,
+ DPIPE_VALUE_TYPE_MASK,
+};
+
+static const char *
+dpipe_value_type_e2s(enum dpipe_value_type type)
+{
+ switch (type) {
+ case DPIPE_VALUE_TYPE_VALUE:
+ return "value";
+ case DPIPE_VALUE_TYPE_MASK:
+ return "value_mask";
+ default:
+ return "<unknown>";
+ }
+}
+
+struct dpipe_field_printer {
+ unsigned int field_id;
+ void (*printer)(struct dpipe_ctx *, enum dpipe_value_type, void *);
+};
+
+struct dpipe_header_printer {
+ struct dpipe_field_printer *printers;
+ unsigned int printers_count;
+ unsigned int header_id;
+};
+
+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,
+ enum dpipe_value_type type,
+ void *value)
+{
+ unsigned int header_printers_count = ARRAY_SIZE(dpipe_header_printers);
+ struct dpipe_header_printer *header_printer;
+ struct dpipe_field_printer *field_printer;
+ unsigned int field_printers_count;
+ int j;
+ int i;
+
+ for (i = 0; i < header_printers_count; i++) {
+ header_printer = dpipe_header_printers[i];
+ if (header_printer->header_id != info->header_id)
+ continue;
+ field_printers_count = header_printer->printers_count;
+ for (j = 0; j < field_printers_count; j++) {
+ field_printer = &header_printer->printers[j];
+ if (field_printer->field_id != info->field_id)
+ continue;
+ field_printer->printer(ctx, type, value);
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static void __pr_out_entry_value(struct dpipe_ctx *ctx,
+ void *value,
+ unsigned int value_len,
+ struct dpipe_op_info *info,
+ enum dpipe_value_type type)
+{
+ if (info->header_global &&
+ !dpipe_print_prot_header(ctx, info, type, value))
+ return;
+
+ if (value_len == sizeof(uint32_t)) {
+ uint32_t *value_32 = value;
+
+ pr_out_uint(ctx->dl, dpipe_value_type_e2s(type), *value_32);
+ }
+}
+
+static void pr_out_dpipe_entry_value(struct dpipe_ctx *ctx,
+ struct nlattr **nla_match_value,
+ struct dpipe_op_info *info)
+{
+ void *value, *value_mask;
+ uint32_t value_mapping;
+ uint16_t value_len;
+ bool mask, mapping;
+
+ mask = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MASK];
+ mapping = !!nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING];
+
+ value_len = mnl_attr_get_payload_len(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
+ value = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
+
+ if (mapping) {
+ value_mapping = mnl_attr_get_u32(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE_MAPPING]);
+ pr_out_uint(ctx->dl, "mapping_value", value_mapping);
+ }
+
+ if (mask) {
+ value_mask = mnl_attr_get_payload(nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]);
+ __pr_out_entry_value(ctx, value_mask, value_len, info,
+ DPIPE_VALUE_TYPE_MASK);
+ }
+
+ __pr_out_entry_value(ctx, value, value_len, info, DPIPE_VALUE_TYPE_VALUE);
+}
+
+static int dpipe_entry_match_value_show(struct dpipe_ctx *ctx,
+ struct nlattr *nl)
+{
+ struct nlattr *nla_match_value[DEVLINK_ATTR_MAX + 1] = {};
+ struct dpipe_match match;
+ int err;
+
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_match_value);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+
+ if (!nla_match_value[DEVLINK_ATTR_DPIPE_MATCH] ||
+ !nla_match_value[DEVLINK_ATTR_DPIPE_VALUE]) {
+ return -EINVAL;
+ }
+
+ pr_out_entry_start(ctx->dl);
+ if (dpipe_match_parse(&match,
+ nla_match_value[DEVLINK_ATTR_DPIPE_MATCH]))
+ goto err_match_parse;
+ pr_out_dpipe_match(&match, ctx);
+ pr_out_dpipe_entry_value(ctx, nla_match_value, &match.info);
+ pr_out_entry_end(ctx->dl);
+
+ return 0;
+
+err_match_parse:
+ pr_out_entry_end(ctx->dl);
+ return -EINVAL;
+}
+
+static int dpipe_entry_action_value_show(struct dpipe_ctx *ctx,
+ struct nlattr *nl)
+{
+ struct nlattr *nla_action_value[DEVLINK_ATTR_MAX + 1] = {};
+ struct dpipe_action action;
+ int err;
+
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_action_value);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+
+ if (!nla_action_value[DEVLINK_ATTR_DPIPE_ACTION] ||
+ !nla_action_value[DEVLINK_ATTR_DPIPE_VALUE]) {
+ return -EINVAL;
+ }
+
+ pr_out_entry_start(ctx->dl);
+ if (dpipe_action_parse(&action,
+ nla_action_value[DEVLINK_ATTR_DPIPE_ACTION]))
+ goto err_action_parse;
+ pr_out_dpipe_action(&action, ctx);
+ pr_out_dpipe_entry_value(ctx, nla_action_value, &action.info);
+ pr_out_entry_end(ctx->dl);
+
+ return 0;
+
+err_action_parse:
+ pr_out_entry_end(ctx->dl);
+ return -EINVAL;
+}
+
+static int
+dpipe_tables_action_values_show(struct dpipe_ctx *ctx,
+ struct nlattr *nla_action_values)
+{
+ struct nlattr *nla_action_value;
+
+ mnl_attr_for_each_nested(nla_action_value, nla_action_values) {
+ if (dpipe_entry_action_value_show(ctx, nla_action_value))
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int
+dpipe_tables_match_values_show(struct dpipe_ctx *ctx,
+ struct nlattr *nla_match_values)
+{
+ struct nlattr *nla_match_value;
+
+ mnl_attr_for_each_nested(nla_match_value, nla_match_values) {
+ if (dpipe_entry_match_value_show(ctx, nla_match_value))
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int dpipe_entry_show(struct dpipe_ctx *ctx, struct nlattr *nl)
+{
+ struct nlattr *nla_entry[DEVLINK_ATTR_MAX + 1] = {};
+ uint32_t entry_index;
+ uint64_t counter;
+ int err;
+
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_entry);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+
+ if (!nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX] ||
+ !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES] ||
+ !nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]) {
+ return -EINVAL;
+ }
+
+ entry_index = mnl_attr_get_u32(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_INDEX]);
+ pr_out_uint(ctx->dl, "index", entry_index);
+
+ if (nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]) {
+ counter = mnl_attr_get_u64(nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_COUNTER]);
+ pr_out_uint(ctx->dl, "counter", counter);
+ }
+
+ pr_out_array_start(ctx->dl, "match_value");
+ if (dpipe_tables_match_values_show(ctx,
+ nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_MATCH_VALUES]))
+ goto err_match_values_show;
+ pr_out_array_end(ctx->dl);
+
+ pr_out_array_start(ctx->dl, "action_value");
+ if (dpipe_tables_action_values_show(ctx,
+ nla_entry[DEVLINK_ATTR_DPIPE_ENTRY_ACTION_VALUES]))
+ goto err_action_values_show;
+ pr_out_array_end(ctx->dl);
+ return 0;
+
+err_action_values_show:
+err_match_values_show:
+ pr_out_array_end(ctx->dl);
+ return -EINVAL;
+}
+
+static int dpipe_table_entries_show(struct dpipe_ctx *ctx, struct nlattr **tb)
+{
+ struct nlattr *nla_entries = tb[DEVLINK_ATTR_DPIPE_ENTRIES];
+ struct nlattr *nla_entry;
+
+ mnl_attr_for_each_nested(nla_entry, nla_entries) {
+ pr_out_handle_start_arr(ctx->dl, tb);
+ if (dpipe_entry_show(ctx, nla_entry))
+ goto err_entry_show;
+ pr_out_handle_end(ctx->dl);
+ }
+ return 0;
+
+err_entry_show:
+ pr_out_handle_end(ctx->dl);
+ return -EINVAL;
+}
+
+static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct dpipe_ctx *ctx = data;
+ struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+
+ mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
+ if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
+ !tb[DEVLINK_ATTR_DPIPE_ENTRIES])
+ return MNL_CB_ERROR;
+
+ if (dpipe_table_entries_show(ctx, tb))
+ return MNL_CB_ERROR;
+ return MNL_CB_OK;
+}
+
+static int cmd_dpipe_table_dump(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ struct dpipe_ctx *ctx;
+ uint16_t flags = NLM_F_REQUEST;
+ int err;
+
+ ctx = dpipe_ctx_alloc(dl);
+ if (!ctx)
+ return -ENOMEM;
+
+ err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0);
+ if (err)
+ goto out;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
+ dl_opts_put(nlh, dl);
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, ctx);
+ if (err) {
+ pr_err("error get headers %s\n", strerror(ctx->err));
+ goto out;
+ }
+
+ flags = NLM_F_REQUEST | NLM_F_ACK;
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_ENTRIES_GET, flags);
+ dl_opts_put(nlh, dl);
+
+ pr_out_section_start(dl, "table_entry");
+ _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, ctx);
+ pr_out_section_end(dl);
+out:
+ dpipe_ctx_clear(ctx);
+ dpipe_ctx_free(ctx);
+ return err;
+}
+
+static void cmd_dpipe_table_help(void)
+{
+ pr_err("Usage: devlink dpipe table [ OBJECT-LIST ]\n"
+ "where OBJECT-LIST := { show | set | dump }\n");
+}
+
+static int cmd_dpipe_table(struct dl *dl)
+{
+ if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
+ cmd_dpipe_table_help();
+ return 0;
+ } else if (dl_argv_match(dl, "show")) {
+ dl_arg_inc(dl);
+ return cmd_dpipe_table_show(dl);
+ } else if (dl_argv_match(dl, "set")) {
+ dl_arg_inc(dl);
+ return cmd_dpipe_table_set(dl);
+ } else if (dl_argv_match(dl, "dump")) {
+ dl_arg_inc(dl);
+ return cmd_dpipe_table_dump(dl);
+ }
+ pr_err("Command \"%s\" not found\n", dl_argv(dl));
+ return -ENOENT;
+}
+
+static void cmd_dpipe_help(void)
+{
+ pr_err("Usage: devlink dpipe [ OBJECT-LIST ]\n"
+ "where OBJECT-LIST := { header | table }\n");
+}
+
+static int cmd_dpipe(struct dl *dl)
+{
+ if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
+ cmd_dpipe_help();
+ return 0;
+ } else if (dl_argv_match(dl, "header")) {
+ dl_arg_inc(dl);
+ return cmd_dpipe_header(dl);
+ } else if (dl_argv_match(dl, "table")) {
+ dl_arg_inc(dl);
+ return cmd_dpipe_table(dl);
+ }
+ pr_err("Command \"%s\" not found\n", dl_argv(dl));
+ return -ENOENT;
+}
+
+static void help(void)
+{
+ pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
+ "where OBJECT := { dev | port | sb | monitor | dpipe }\n"
+ " OPTIONS := { -V[ersion] | -n[no-nice-names] | -j[json] | -p[pretty] | -v[verbose] }\n");
+}
+
+static int dl_cmd(struct dl *dl)
+{
+ if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
+ help();
+ return 0;
+ } else if (dl_argv_match(dl, "dev")) {
+ dl_arg_inc(dl);
+ return cmd_dev(dl);
+ } else if (dl_argv_match(dl, "port")) {
+ dl_arg_inc(dl);
+ return cmd_port(dl);
+ } else if (dl_argv_match(dl, "sb")) {
+ dl_arg_inc(dl);
+ return cmd_sb(dl);
+ } else if (dl_argv_match(dl, "monitor")) {
+ dl_arg_inc(dl);
+ return cmd_mon(dl);
+ } else if (dl_argv_match(dl, "dpipe")) {
+ dl_arg_inc(dl);
+ return cmd_dpipe(dl);
+ }
+ pr_err("Object \"%s\" not found\n", dl_argv(dl));
+ return -ENOENT;
+}
+
+static int dl_init(struct dl *dl, int argc, char **argv)
+{
+ int err;
+
+ dl->argc = argc;
+ dl->argv = argv;
+
+ dl->nlg = mnlg_socket_open(DEVLINK_GENL_NAME, DEVLINK_GENL_VERSION);
+ if (!dl->nlg) {
+ pr_err("Failed to connect to devlink Netlink\n");
+ return -errno;
+ }
+
+ err = ifname_map_init(dl);
+ if (err) {
+ pr_err("Failed to create index map\n");
+ goto err_ifname_map_create;
+ }
+ if (dl->json_output) {
+ dl->jw = jsonw_new(stdout);
+ if (!dl->jw) {
+ pr_err("Failed to create JSON writer\n");
+ goto err_json_new;
+ }
+ jsonw_pretty(dl->jw, dl->pretty_output);
+ }
+ return 0;
+
+err_json_new:
+ ifname_map_fini(dl);
+err_ifname_map_create:
+ mnlg_socket_close(dl->nlg);
+ return err;
+}
+
+static void dl_fini(struct dl *dl)
+{
+ if (dl->json_output)
+ jsonw_destroy(&dl->jw);
+ ifname_map_fini(dl);
+ mnlg_socket_close(dl->nlg);
+}
+
+static struct dl *dl_alloc(void)
+{
+ struct dl *dl;
+
+ dl = calloc(1, sizeof(*dl));
+ if (!dl)
+ return NULL;
+ return dl;
+}
+
+static void dl_free(struct dl *dl)
+{
+ free(dl);
+}
+
+int main(int argc, char **argv)
+{
+ static const struct option long_options[] = {
+ { "Version", no_argument, NULL, 'V' },
+ { "no-nice-names", no_argument, NULL, 'n' },
+ { "json", no_argument, NULL, 'j' },
+ { "pretty", no_argument, NULL, 'p' },
+ { "verbose", no_argument, NULL, 'v' },
+ { NULL, 0, NULL, 0 }
+ };
struct dl *dl;
int opt;
int err;
return EXIT_FAILURE;
}
- while ((opt = getopt_long(argc, argv, "Vnjp",
+ while ((opt = getopt_long(argc, argv, "Vnjpv",
long_options, NULL)) >= 0) {
switch (opt) {
case 'V':
printf("devlink utility, iproute2-ss%s\n", SNAPSHOT);
- return EXIT_SUCCESS;
+ ret = EXIT_SUCCESS;
+ goto dl_free;
case 'n':
dl->no_nice_names = true;
break;
case 'p':
dl->pretty_output = true;
break;
+ case 'v':
+ dl->verbose = true;
+ break;
default:
pr_err("Unknown option.\n");
help();
- return EXIT_FAILURE;
+ ret = EXIT_FAILURE;
+ goto dl_free;
}
}
projects / mirror_iproute2.git / blobdiff