#include <getopt.h>
#include <limits.h>
#include <errno.h>
+#include <inttypes.h>
#include <linux/genetlink.h>
#include <linux/devlink.h>
#include <libmnl/libmnl.h>
#define ESWITCH_INLINE_MODE_NETWORK "network"
#define ESWITCH_INLINE_MODE_TRANSPORT "transport"
+#define PARAM_CMODE_RUNTIME_STR "runtime"
+#define PARAM_CMODE_DRIVERINIT_STR "driverinit"
+#define PARAM_CMODE_PERMANENT_STR "permanent"
+
+static int g_new_line_count;
+
#define pr_err(args...) fprintf(stderr, ##args)
#define pr_out(args...) \
do { \
g_indent_newline = false; \
} \
fprintf(stdout, ##args); \
+ g_new_line_count = 0; \
} while (0)
#define pr_out_sp(num, args...) \
int ret = fprintf(stdout, ##args); \
if (ret < num) \
fprintf(stdout, "%*s", num - ret, ""); \
+ g_new_line_count = 0; \
} while (0)
static int g_indent_level;
static void __pr_out_newline(void)
{
- pr_out("\n");
- g_indent_newline = true;
+ if (g_new_line_count < 1) {
+ pr_out("\n");
+ g_indent_newline = true;
+ }
+ g_new_line_count++;
}
static int _mnlg_socket_recv_run(struct mnlg_socket *nlg,
#define DL_OPT_DPIPE_TABLE_NAME BIT(13)
#define DL_OPT_DPIPE_TABLE_COUNTERS BIT(14)
#define DL_OPT_ESWITCH_ENCAP_MODE BIT(15)
+#define DL_OPT_RESOURCE_PATH BIT(16)
+#define DL_OPT_RESOURCE_SIZE BIT(17)
+#define DL_OPT_PARAM_NAME BIT(18)
+#define DL_OPT_PARAM_VALUE BIT(19)
+#define DL_OPT_PARAM_CMODE BIT(20)
+#define DL_OPT_HANDLE_REGION BIT(21)
+#define DL_OPT_REGION_SNAPSHOT_ID BIT(22)
+#define DL_OPT_REGION_ADDRESS BIT(23)
+#define DL_OPT_REGION_LENGTH BIT(24)
struct dl_opts {
uint32_t present; /* flags of present items */
const char *dpipe_table_name;
bool dpipe_counters_enable;
bool eswitch_encap_mode;
+ const char *resource_path;
+ uint32_t resource_size;
+ uint32_t resource_id;
+ bool resource_id_valid;
+ const char *param_name;
+ const char *param_value;
+ enum devlink_param_cmode cmode;
+ char *region_name;
+ uint32_t region_snapshot_id;
+ uint64_t region_address;
+ uint64_t region_length;
};
struct dl {
[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,
+ [DEVLINK_ATTR_PARAM] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_PARAM_NAME] = MNL_TYPE_STRING,
+ [DEVLINK_ATTR_PARAM_TYPE] = MNL_TYPE_U8,
+ [DEVLINK_ATTR_PARAM_VALUES_LIST] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_PARAM_VALUE] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_PARAM_VALUE_CMODE] = MNL_TYPE_U8,
+ [DEVLINK_ATTR_REGION_NAME] = MNL_TYPE_STRING,
+ [DEVLINK_ATTR_REGION_SIZE] = MNL_TYPE_U64,
+ [DEVLINK_ATTR_REGION_SNAPSHOTS] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_REGION_SNAPSHOT] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_REGION_SNAPSHOT_ID] = MNL_TYPE_U32,
+ [DEVLINK_ATTR_REGION_CHUNKS] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_REGION_CHUNK] = MNL_TYPE_NESTED,
+ [DEVLINK_ATTR_REGION_CHUNK_DATA] = MNL_TYPE_BINARY,
+ [DEVLINK_ATTR_REGION_CHUNK_ADDR] = MNL_TYPE_U64,
+ [DEVLINK_ATTR_REGION_CHUNK_LEN] = MNL_TYPE_U64,
};
static int attr_cb(const struct nlattr *attr, void *data)
int type;
if (mnl_attr_type_valid(attr, DEVLINK_ATTR_MAX) < 0)
- return MNL_CB_ERROR;
+ return MNL_CB_OK;
type = mnl_attr_get_type(attr);
if (mnl_attr_validate(attr, devlink_policy[type]) < 0)
return 0;
}
+static int strtouint64_t(const char *str, uint64_t *p_val)
+{
+ char *endptr;
+ unsigned long long int val;
+
+ val = strtoull(str, &endptr, 10);
+ if (endptr == str || *endptr != '\0')
+ return -EINVAL;
+ if (val > ULONG_MAX)
+ return -ERANGE;
+ *p_val = val;
+ return 0;
+}
+
static int strtouint32_t(const char *str, uint32_t *p_val)
{
char *endptr;
return 0;
}
+static int strtouint8_t(const char *str, uint8_t *p_val)
+{
+ char *endptr;
+ unsigned long int val;
+
+ val = strtoul(str, &endptr, 10);
+ if (endptr == str || *endptr != '\0')
+ return -EINVAL;
+ if (val > UCHAR_MAX)
+ return -ERANGE;
+ *p_val = val;
+ return 0;
+}
+
+static int strtobool(const char *str, bool *p_val)
+{
+ bool val;
+
+ if (!strcmp(str, "true") || !strcmp(str, "1"))
+ val = true;
+ else if (!strcmp(str, "false") || !strcmp(str, "0"))
+ val = false;
+ else
+ return -EINVAL;
+ *p_val = val;
+ return 0;
+}
+
static int __dl_argv_handle(char *str, char **p_bus_name, char **p_dev_name)
{
strslashrsplit(str, p_bus_name, p_dev_name);
return 0;
}
+static int __dl_argv_handle_region(char *str, char **p_bus_name,
+ char **p_dev_name, char **p_region)
+{
+ char *handlestr;
+ int err;
+
+ err = strslashrsplit(str, &handlestr, p_region);
+ if (err) {
+ pr_err("Region identification \"%s\" is invalid\n", str);
+ return err;
+ }
+ err = strslashrsplit(handlestr, p_bus_name, p_dev_name);
+ if (err) {
+ pr_err("Region identification \"%s\" is invalid\n", str);
+ return err;
+ }
+ return 0;
+}
+
+static int dl_argv_handle_region(struct dl *dl, char **p_bus_name,
+ char **p_dev_name, char **p_region)
+{
+ char *str = dl_argv_next(dl);
+ unsigned int slash_count;
+
+ if (!str) {
+ pr_err("Expected \"bus_name/dev_name/region\" identification.\n");
+ return -EINVAL;
+ }
+
+ slash_count = strslashcount(str);
+ if (slash_count != 2) {
+ pr_err("Wrong region identification string format.\n");
+ pr_err("Expected \"bus_name/dev_name/region\" identification.\n"".\n");
+ return -EINVAL;
+ }
+
+ return __dl_argv_handle_region(str, p_bus_name, p_dev_name, p_region);
+}
+
+static int dl_argv_uint64_t(struct dl *dl, uint64_t *p_val)
+{
+ char *str = dl_argv_next(dl);
+ int err;
+
+ if (!str) {
+ pr_err("Unsigned number argument expected\n");
+ return -EINVAL;
+ }
+
+ err = strtouint64_t(str, p_val);
+ if (err) {
+ pr_err("\"%s\" is not a number or not within range\n", str);
+ return err;
+ }
+ return 0;
+}
+
static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val)
{
char *str = dl_argv_next(dl);
return 0;
}
+static int param_cmode_get(const char *cmodestr,
+ enum devlink_param_cmode *cmode)
+{
+ if (strcmp(cmodestr, PARAM_CMODE_RUNTIME_STR) == 0) {
+ *cmode = DEVLINK_PARAM_CMODE_RUNTIME;
+ } else if (strcmp(cmodestr, PARAM_CMODE_DRIVERINIT_STR) == 0) {
+ *cmode = DEVLINK_PARAM_CMODE_DRIVERINIT;
+ } else if (strcmp(cmodestr, PARAM_CMODE_PERMANENT_STR) == 0) {
+ *cmode = DEVLINK_PARAM_CMODE_PERMANENT;
+ } else {
+ pr_err("Unknown configuration mode \"%s\"\n", cmodestr);
+ return -EINVAL;
+ }
+ return 0;
+}
+
static int dl_argv_parse(struct dl *dl, uint32_t o_required,
uint32_t o_optional)
{
if (err)
return err;
o_found |= DL_OPT_HANDLEP;
+ } else if (o_required & DL_OPT_HANDLE_REGION) {
+ err = dl_argv_handle_region(dl, &opts->bus_name,
+ &opts->dev_name,
+ &opts->region_name);
+ if (err)
+ return err;
+ o_found |= DL_OPT_HANDLE_REGION;
}
while (dl_argc(dl)) {
if (err)
return err;
o_found |= DL_OPT_ESWITCH_ENCAP_MODE;
+ } else if (dl_argv_match(dl, "path") &&
+ (o_all & DL_OPT_RESOURCE_PATH)) {
+ dl_arg_inc(dl);
+ err = dl_argv_str(dl, &opts->resource_path);
+ if (err)
+ return err;
+ o_found |= DL_OPT_RESOURCE_PATH;
+ } else if (dl_argv_match(dl, "size") &&
+ (o_all & DL_OPT_RESOURCE_SIZE)) {
+ dl_arg_inc(dl);
+ err = dl_argv_uint32_t(dl, &opts->resource_size);
+ if (err)
+ return err;
+ o_found |= DL_OPT_RESOURCE_SIZE;
+ } else if (dl_argv_match(dl, "name") &&
+ (o_all & DL_OPT_PARAM_NAME)) {
+ dl_arg_inc(dl);
+ err = dl_argv_str(dl, &opts->param_name);
+ if (err)
+ return err;
+ o_found |= DL_OPT_PARAM_NAME;
+ } else if (dl_argv_match(dl, "value") &&
+ (o_all & DL_OPT_PARAM_VALUE)) {
+ dl_arg_inc(dl);
+ err = dl_argv_str(dl, &opts->param_value);
+ if (err)
+ return err;
+ o_found |= DL_OPT_PARAM_VALUE;
+ } else if (dl_argv_match(dl, "cmode") &&
+ (o_all & DL_OPT_PARAM_CMODE)) {
+ const char *cmodestr;
+
+ dl_arg_inc(dl);
+ err = dl_argv_str(dl, &cmodestr);
+ if (err)
+ return err;
+ err = param_cmode_get(cmodestr, &opts->cmode);
+ if (err)
+ return err;
+ o_found |= DL_OPT_PARAM_CMODE;
+ } else if (dl_argv_match(dl, "snapshot") &&
+ (o_all & DL_OPT_REGION_SNAPSHOT_ID)) {
+ dl_arg_inc(dl);
+ err = dl_argv_uint32_t(dl, &opts->region_snapshot_id);
+ if (err)
+ return err;
+ o_found |= DL_OPT_REGION_SNAPSHOT_ID;
+ } else if (dl_argv_match(dl, "address") &&
+ (o_all & DL_OPT_REGION_ADDRESS)) {
+ dl_arg_inc(dl);
+ err = dl_argv_uint64_t(dl, &opts->region_address);
+ if (err)
+ return err;
+ o_found |= DL_OPT_REGION_ADDRESS;
+ } else if (dl_argv_match(dl, "length") &&
+ (o_all & DL_OPT_REGION_LENGTH)) {
+ dl_arg_inc(dl);
+ err = dl_argv_uint64_t(dl, &opts->region_length);
+ if (err)
+ return err;
+ o_found |= DL_OPT_REGION_LENGTH;
} else {
pr_err("Unknown option \"%s\"\n", dl_argv(dl));
return -EINVAL;
return -EINVAL;
}
+ if ((o_required & DL_OPT_PARAM_NAME) &&
+ !(o_found & DL_OPT_PARAM_NAME)) {
+ pr_err("Parameter name expected.\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_PARAM_VALUE) &&
+ !(o_found & DL_OPT_PARAM_VALUE)) {
+ pr_err("Value to set expected.\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_PARAM_CMODE) &&
+ !(o_found & DL_OPT_PARAM_CMODE)) {
+ pr_err("Configuration mode expected.\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_REGION_SNAPSHOT_ID) &&
+ !(o_found & DL_OPT_REGION_SNAPSHOT_ID)) {
+ pr_err("Region snapshot id expected.\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_REGION_ADDRESS) &&
+ !(o_found & DL_OPT_REGION_ADDRESS)) {
+ pr_err("Region address value expected.\n");
+ return -EINVAL;
+ }
+
+ if ((o_required & DL_OPT_REGION_LENGTH) &&
+ !(o_found & DL_OPT_REGION_LENGTH)) {
+ pr_err("Region length value expected.\n");
+ return -EINVAL;
+ }
+
return 0;
}
mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_INDEX,
opts->port_index);
+ } else if (opts->present & DL_OPT_HANDLE_REGION) {
+ mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name);
+ mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name);
+ mnl_attr_put_strz(nlh, DEVLINK_ATTR_REGION_NAME,
+ opts->region_name);
}
if (opts->present & DL_OPT_PORT_TYPE)
mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE,
if (opts->present & DL_OPT_ESWITCH_ENCAP_MODE)
mnl_attr_put_u8(nlh, DEVLINK_ATTR_ESWITCH_ENCAP_MODE,
opts->eswitch_encap_mode);
+ if ((opts->present & DL_OPT_RESOURCE_PATH) && opts->resource_id_valid)
+ mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_ID,
+ opts->resource_id);
+ if (opts->present & DL_OPT_RESOURCE_SIZE)
+ mnl_attr_put_u64(nlh, DEVLINK_ATTR_RESOURCE_SIZE,
+ opts->resource_size);
+ if (opts->present & DL_OPT_PARAM_NAME)
+ mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_NAME,
+ opts->param_name);
+ if (opts->present & DL_OPT_PARAM_CMODE)
+ mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_CMODE,
+ opts->cmode);
+ if (opts->present & DL_OPT_REGION_SNAPSHOT_ID)
+ mnl_attr_put_u32(nlh, DEVLINK_ATTR_REGION_SNAPSHOT_ID,
+ opts->region_snapshot_id);
+ if (opts->present & DL_OPT_REGION_ADDRESS)
+ mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_ADDR,
+ opts->region_address);
+ if (opts->present & DL_OPT_REGION_LENGTH)
+ mnl_attr_put_u64(nlh, DEVLINK_ATTR_REGION_CHUNK_LEN,
+ opts->region_length);
}
static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
pr_err(" [ inline-mode { none | link | network | transport } ]\n");
pr_err(" [ encap { disable | enable } ]\n");
pr_err(" devlink dev eswitch show DEV\n");
+ pr_err(" devlink dev param set DEV name PARAMETER value VALUE cmode { permanent | driverinit | runtime }\n");
+ pr_err(" devlink dev param show [DEV name PARAMETER]\n");
+ pr_err(" devlink dev reload DEV\n");
}
static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name,
}
}
+static void pr_out_bool(struct dl *dl, const char *name, bool val)
+{
+ if (val)
+ pr_out_str(dl, name, "true");
+ else
+ pr_out_str(dl, name, "false");
+}
+
static void pr_out_uint(struct dl *dl, const char *name, unsigned int val)
{
if (dl->json_output) {
}
}
+static void pr_out_u64(struct dl *dl, const char *name, uint64_t val)
+{
+ if (val == (uint64_t) -1)
+ return pr_out_str(dl, name, "unlimited");
+
+ return pr_out_uint(dl, name, val);
+}
+
+static void pr_out_region_chunk_start(struct dl *dl, uint64_t addr)
+{
+ if (dl->json_output) {
+ jsonw_name(dl->jw, "address");
+ jsonw_uint(dl->jw, addr);
+ jsonw_name(dl->jw, "data");
+ jsonw_start_array(dl->jw);
+ }
+}
+
+static void pr_out_region_chunk_end(struct dl *dl)
+{
+ if (dl->json_output)
+ jsonw_end_array(dl->jw);
+}
+
+static void pr_out_region_chunk(struct dl *dl, uint8_t *data, uint32_t len,
+ uint64_t addr)
+{
+ static uint64_t align_val;
+ uint32_t i = 0;
+
+ pr_out_region_chunk_start(dl, addr);
+ while (i < len) {
+ if (!dl->json_output)
+ if (!(align_val % 16))
+ pr_out("%s%016"PRIx64" ",
+ align_val ? "\n" : "",
+ addr);
+
+ align_val++;
+
+ if (dl->json_output)
+ jsonw_printf(dl->jw, "%d", data[i]);
+ else
+ pr_out("%02x ", data[i]);
+
+ addr++;
+ i++;
+ }
+ pr_out_region_chunk_end(dl);
+}
+
static void pr_out_dev(struct dl *dl, struct nlattr **tb)
{
pr_out_handle(dl, tb);
jsonw_name(dl->jw, name);
jsonw_start_array(dl->jw);
} else {
- if (!g_indent_newline)
- __pr_out_newline();
- pr_out("%s:", name);
+ __pr_out_indent_inc();
__pr_out_newline();
+ pr_out("%s:", name);
__pr_out_indent_inc();
+ __pr_out_newline();
}
}
static void pr_out_array_end(struct dl *dl)
{
- if (dl->json_output)
+ if (dl->json_output) {
jsonw_end_array(dl->jw);
- else
+ } else {
__pr_out_indent_dec();
+ __pr_out_indent_dec();
+ }
}
static void pr_out_entry_start(struct dl *dl)
__pr_out_newline();
}
+static const char *param_cmode_name(uint8_t cmode)
+{
+ switch (cmode) {
+ case DEVLINK_PARAM_CMODE_RUNTIME:
+ return PARAM_CMODE_RUNTIME_STR;
+ case DEVLINK_PARAM_CMODE_DRIVERINIT:
+ return PARAM_CMODE_DRIVERINIT_STR;
+ case DEVLINK_PARAM_CMODE_PERMANENT:
+ return PARAM_CMODE_PERMANENT_STR;
+ default: return "<unknown type>";
+ }
+}
+
static const char *eswitch_mode_name(uint32_t mode)
{
switch (mode) {
return -ENOENT;
}
-static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data)
+static void pr_out_param_value(struct dl *dl, int nla_type, struct nlattr *nl)
{
- struct dl *dl = data;
- struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
- struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
+ struct nlattr *val_attr;
+ int err;
- mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
- if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
- return MNL_CB_ERROR;
- pr_out_dev(dl, tb);
- return MNL_CB_OK;
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_value);
+ if (err != MNL_CB_OK)
+ return;
+
+ if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
+ (nla_type != MNL_TYPE_FLAG &&
+ !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
+ return;
+
+ pr_out_str(dl, "cmode",
+ param_cmode_name(mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE])));
+ val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
+
+ switch (nla_type) {
+ case MNL_TYPE_U8:
+ pr_out_uint(dl, "value", mnl_attr_get_u8(val_attr));
+ break;
+ case MNL_TYPE_U16:
+ pr_out_uint(dl, "value", mnl_attr_get_u16(val_attr));
+ break;
+ case MNL_TYPE_U32:
+ pr_out_uint(dl, "value", mnl_attr_get_u32(val_attr));
+ break;
+ case MNL_TYPE_STRING:
+ pr_out_str(dl, "value", mnl_attr_get_str(val_attr));
+ break;
+ case MNL_TYPE_FLAG:
+ pr_out_bool(dl, "value", val_attr ? true : false);
+ break;
+ }
}
-static int cmd_dev_show(struct dl *dl)
+static void pr_out_param(struct dl *dl, struct nlattr **tb, bool array)
{
- struct nlmsghdr *nlh;
- uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
+ struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
+ struct nlattr *param_value_attr;
+ int nla_type;
int err;
- if (dl_argc(dl) == 0)
- flags |= NLM_F_DUMP;
+ err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
+ if (err != MNL_CB_OK)
+ return;
+ if (!nla_param[DEVLINK_ATTR_PARAM_NAME] ||
+ !nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
+ !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
+ return;
- nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_GET, flags);
+ if (array)
+ pr_out_handle_start_arr(dl, tb);
+ else
+ __pr_out_handle_start(dl, tb, true, false);
- if (dl_argc(dl) > 0) {
- err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
- if (err)
- return err;
- }
+ nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
- pr_out_section_start(dl, "dev");
- err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_show_cb, dl);
- pr_out_section_end(dl);
- return err;
-}
+ pr_out_str(dl, "name",
+ mnl_attr_get_str(nla_param[DEVLINK_ATTR_PARAM_NAME]));
-static int cmd_dev(struct dl *dl)
-{
- if (dl_argv_match(dl, "help")) {
- cmd_dev_help();
- return 0;
- } else if (dl_argv_match(dl, "show") ||
- dl_argv_match(dl, "list") || dl_no_arg(dl)) {
- dl_arg_inc(dl);
- return cmd_dev_show(dl);
- } else if (dl_argv_match(dl, "eswitch")) {
- dl_arg_inc(dl);
- return cmd_dev_eswitch(dl);
+ if (!nla_param[DEVLINK_ATTR_PARAM_GENERIC])
+ pr_out_str(dl, "type", "driver-specific");
+ else
+ pr_out_str(dl, "type", "generic");
+
+ pr_out_array_start(dl, "values");
+ mnl_attr_for_each_nested(param_value_attr,
+ nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
+ pr_out_entry_start(dl);
+ pr_out_param_value(dl, nla_type, param_value_attr);
+ pr_out_entry_end(dl);
}
- pr_err("Command \"%s\" not found\n", dl_argv(dl));
- return -ENOENT;
+ pr_out_array_end(dl);
+ pr_out_handle_end(dl);
}
-static void cmd_port_help(void)
+static int cmd_dev_param_show_cb(const struct nlmsghdr *nlh, void *data)
{
- pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
- pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
- pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
- pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
+ struct dl *dl = data;
+
+ mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
+ if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
+ !tb[DEVLINK_ATTR_PARAM])
+ return MNL_CB_ERROR;
+ pr_out_param(dl, tb, true);
+ return MNL_CB_OK;
}
-static const char *port_type_name(uint32_t type)
-{
- switch (type) {
+struct param_ctx {
+ struct dl *dl;
+ int nla_type;
+ union {
+ uint8_t vu8;
+ uint16_t vu16;
+ uint32_t vu32;
+ const char *vstr;
+ bool vbool;
+ } value;
+};
+
+static int cmd_dev_param_set_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *nla_param[DEVLINK_ATTR_MAX + 1] = {};
+ struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
+ struct nlattr *param_value_attr;
+ enum devlink_param_cmode cmode;
+ struct param_ctx *ctx = data;
+ struct dl *dl = ctx->dl;
+ int nla_type;
+ 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_PARAM])
+ return MNL_CB_ERROR;
+
+ err = mnl_attr_parse_nested(tb[DEVLINK_ATTR_PARAM], attr_cb, nla_param);
+ if (err != MNL_CB_OK)
+ return MNL_CB_ERROR;
+
+ if (!nla_param[DEVLINK_ATTR_PARAM_TYPE] ||
+ !nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST])
+ return MNL_CB_ERROR;
+
+ nla_type = mnl_attr_get_u8(nla_param[DEVLINK_ATTR_PARAM_TYPE]);
+ mnl_attr_for_each_nested(param_value_attr,
+ nla_param[DEVLINK_ATTR_PARAM_VALUES_LIST]) {
+ struct nlattr *nla_value[DEVLINK_ATTR_MAX + 1] = {};
+ struct nlattr *val_attr;
+
+ err = mnl_attr_parse_nested(param_value_attr,
+ attr_cb, nla_value);
+ if (err != MNL_CB_OK)
+ return MNL_CB_ERROR;
+
+ if (!nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE] ||
+ (nla_type != MNL_TYPE_FLAG &&
+ !nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA]))
+ return MNL_CB_ERROR;
+
+ cmode = mnl_attr_get_u8(nla_value[DEVLINK_ATTR_PARAM_VALUE_CMODE]);
+ if (cmode == dl->opts.cmode) {
+ val_attr = nla_value[DEVLINK_ATTR_PARAM_VALUE_DATA];
+ switch (nla_type) {
+ case MNL_TYPE_U8:
+ ctx->value.vu8 = mnl_attr_get_u8(val_attr);
+ break;
+ case MNL_TYPE_U16:
+ ctx->value.vu16 = mnl_attr_get_u16(val_attr);
+ break;
+ case MNL_TYPE_U32:
+ ctx->value.vu32 = mnl_attr_get_u32(val_attr);
+ break;
+ case MNL_TYPE_STRING:
+ ctx->value.vstr = mnl_attr_get_str(val_attr);
+ break;
+ case MNL_TYPE_FLAG:
+ ctx->value.vbool = val_attr ? true : false;
+ break;
+ }
+ break;
+ }
+ }
+ ctx->nla_type = nla_type;
+ return MNL_CB_OK;
+}
+
+static int cmd_dev_param_set(struct dl *dl)
+{
+ struct param_ctx ctx = {};
+ struct nlmsghdr *nlh;
+ uint32_t val_u32;
+ uint16_t val_u16;
+ uint8_t val_u8;
+ bool val_bool;
+ int err;
+
+ err = dl_argv_parse(dl, DL_OPT_HANDLE |
+ DL_OPT_PARAM_NAME |
+ DL_OPT_PARAM_VALUE |
+ DL_OPT_PARAM_CMODE, 0);
+ if (err)
+ return err;
+
+ /* Get value type */
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET,
+ NLM_F_REQUEST | NLM_F_ACK);
+ dl_opts_put(nlh, dl);
+
+ ctx.dl = dl;
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_set_cb, &ctx);
+ if (err)
+ return err;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_SET,
+ NLM_F_REQUEST | NLM_F_ACK);
+ dl_opts_put(nlh, dl);
+
+ mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_TYPE, ctx.nla_type);
+ switch (ctx.nla_type) {
+ case MNL_TYPE_U8:
+ err = strtouint8_t(dl->opts.param_value, &val_u8);
+ if (err)
+ goto err_param_value_parse;
+ if (val_u8 == ctx.value.vu8)
+ return 0;
+ mnl_attr_put_u8(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u8);
+ break;
+ case MNL_TYPE_U16:
+ err = strtouint16_t(dl->opts.param_value, &val_u16);
+ if (err)
+ goto err_param_value_parse;
+ if (val_u16 == ctx.value.vu16)
+ return 0;
+ mnl_attr_put_u16(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u16);
+ break;
+ case MNL_TYPE_U32:
+ err = strtouint32_t(dl->opts.param_value, &val_u32);
+ if (err)
+ goto err_param_value_parse;
+ if (val_u32 == ctx.value.vu32)
+ return 0;
+ mnl_attr_put_u32(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA, val_u32);
+ break;
+ case MNL_TYPE_FLAG:
+ err = strtobool(dl->opts.param_value, &val_bool);
+ if (err)
+ goto err_param_value_parse;
+ if (val_bool == ctx.value.vbool)
+ return 0;
+ if (val_bool)
+ mnl_attr_put(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
+ 0, NULL);
+ break;
+ case MNL_TYPE_STRING:
+ mnl_attr_put_strz(nlh, DEVLINK_ATTR_PARAM_VALUE_DATA,
+ dl->opts.param_value);
+ if (!strcmp(dl->opts.param_value, ctx.value.vstr))
+ return 0;
+ break;
+ default:
+ printf("Value type not supported\n");
+ return -ENOTSUP;
+ }
+ return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
+
+err_param_value_parse:
+ pr_err("Value \"%s\" is not a number or not within range\n",
+ dl->opts.param_value);
+ return err;
+}
+
+static int cmd_dev_param_show(struct dl *dl)
+{
+ uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
+ struct nlmsghdr *nlh;
+ int err;
+
+ if (dl_argc(dl) == 0)
+ flags |= NLM_F_DUMP;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PARAM_GET, flags);
+
+ if (dl_argc(dl) > 0) {
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE |
+ DL_OPT_PARAM_NAME, 0);
+ if (err)
+ return err;
+ }
+
+ pr_out_section_start(dl, "param");
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_param_show_cb, dl);
+ pr_out_section_end(dl);
+ return err;
+}
+
+static int cmd_dev_param(struct dl *dl)
+{
+ if (dl_argv_match(dl, "help")) {
+ cmd_dev_help();
+ return 0;
+ } else if (dl_argv_match(dl, "show") ||
+ dl_argv_match(dl, "list") || dl_no_arg(dl)) {
+ dl_arg_inc(dl);
+ return cmd_dev_param_show(dl);
+ } else if (dl_argv_match(dl, "set")) {
+ dl_arg_inc(dl);
+ return cmd_dev_param_set(dl);
+ }
+ pr_err("Command \"%s\" not found\n", dl_argv(dl));
+ return -ENOENT;
+}
+static int cmd_dev_show_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct dl *dl = 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])
+ return MNL_CB_ERROR;
+ pr_out_dev(dl, tb);
+ return MNL_CB_OK;
+}
+
+static int cmd_dev_show(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
+ int err;
+
+ if (dl_argc(dl) == 0)
+ flags |= NLM_F_DUMP;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_GET, flags);
+
+ if (dl_argc(dl) > 0) {
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
+ if (err)
+ return err;
+ }
+
+ pr_out_section_start(dl, "dev");
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dev_show_cb, dl);
+ pr_out_section_end(dl);
+ return err;
+}
+
+static void cmd_dev_reload_help(void)
+{
+ pr_err("Usage: devlink dev reload [ DEV ]\n");
+}
+
+static int cmd_dev_reload(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ int err;
+
+ if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
+ cmd_dev_reload_help();
+ return 0;
+ }
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RELOAD,
+ NLM_F_REQUEST | NLM_F_ACK);
+
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, 0);
+ if (err)
+ return err;
+
+ return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
+}
+
+static int cmd_dev(struct dl *dl)
+{
+ if (dl_argv_match(dl, "help")) {
+ cmd_dev_help();
+ return 0;
+ } else if (dl_argv_match(dl, "show") ||
+ dl_argv_match(dl, "list") || dl_no_arg(dl)) {
+ dl_arg_inc(dl);
+ return cmd_dev_show(dl);
+ } else if (dl_argv_match(dl, "eswitch")) {
+ dl_arg_inc(dl);
+ return cmd_dev_eswitch(dl);
+ } else if (dl_argv_match(dl, "reload")) {
+ dl_arg_inc(dl);
+ return cmd_dev_reload(dl);
+ } else if (dl_argv_match(dl, "param")) {
+ dl_arg_inc(dl);
+ return cmd_dev_param(dl);
+ }
+ pr_err("Command \"%s\" not found\n", dl_argv(dl));
+ return -ENOENT;
+}
+
+static void cmd_port_help(void)
+{
+ pr_err("Usage: devlink port show [ DEV/PORT_INDEX ]\n");
+ pr_err(" devlink port set DEV/PORT_INDEX [ type { eth | ib | auto} ]\n");
+ pr_err(" devlink port split DEV/PORT_INDEX count COUNT\n");
+ pr_err(" devlink port unsplit DEV/PORT_INDEX\n");
+}
+
+static const char *port_type_name(uint32_t type)
+{
+ switch (type) {
case DEVLINK_PORT_TYPE_NOTSET: return "notset";
case DEVLINK_PORT_TYPE_AUTO: return "auto";
case DEVLINK_PORT_TYPE_ETH: return "eth";
}
}
+static const char *port_flavour_name(uint16_t flavour)
+{
+ switch (flavour) {
+ case DEVLINK_PORT_FLAVOUR_PHYSICAL:
+ return "physical";
+ case DEVLINK_PORT_FLAVOUR_CPU:
+ return "cpu";
+ case DEVLINK_PORT_FLAVOUR_DSA:
+ return "dsa";
+ default:
+ return "<unknown flavour>";
+ }
+}
+
static void pr_out_port(struct dl *dl, struct nlattr **tb)
{
struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE];
if (tb[DEVLINK_ATTR_PORT_IBDEV_NAME])
pr_out_str(dl, "ibdev",
mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_IBDEV_NAME]));
+ if (tb[DEVLINK_ATTR_PORT_FLAVOUR]) {
+ uint16_t port_flavour =
+ mnl_attr_get_u16(tb[DEVLINK_ATTR_PORT_FLAVOUR]);
+
+ pr_out_str(dl, "flavour", port_flavour_name(port_flavour));
+ }
if (tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])
pr_out_uint(dl, "split_group",
mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP]));
case DEVLINK_CMD_DEL: return "del";
case DEVLINK_CMD_PORT_GET: return "get";
case DEVLINK_CMD_PORT_SET: return "set";
- case DEVLINK_CMD_PORT_NEW: return "net";
+ case DEVLINK_CMD_PORT_NEW: return "new";
case DEVLINK_CMD_PORT_DEL: return "del";
+ case DEVLINK_CMD_PARAM_GET: return "get";
+ case DEVLINK_CMD_PARAM_SET: return "set";
+ case DEVLINK_CMD_PARAM_NEW: return "new";
+ case DEVLINK_CMD_PARAM_DEL: return "del";
+ case DEVLINK_CMD_REGION_GET: return "get";
+ case DEVLINK_CMD_REGION_SET: return "set";
+ case DEVLINK_CMD_REGION_NEW: return "new";
+ case DEVLINK_CMD_REGION_DEL: return "del";
default: return "<unknown cmd>";
}
}
case DEVLINK_CMD_PORT_NEW:
case DEVLINK_CMD_PORT_DEL:
return "port";
+ case DEVLINK_CMD_PARAM_GET:
+ case DEVLINK_CMD_PARAM_SET:
+ case DEVLINK_CMD_PARAM_NEW:
+ case DEVLINK_CMD_PARAM_DEL:
+ return "param";
+ case DEVLINK_CMD_REGION_GET:
+ case DEVLINK_CMD_REGION_SET:
+ case DEVLINK_CMD_REGION_NEW:
+ case DEVLINK_CMD_REGION_DEL:
+ return "region";
default: return "<unknown obj>";
}
}
return false;
}
+static void pr_out_region(struct dl *dl, struct nlattr **tb);
+
static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
{
struct dl *dl = data;
pr_out_mon_header(genl->cmd);
pr_out_port(dl, tb);
break;
+ case DEVLINK_CMD_PARAM_GET: /* fall through */
+ case DEVLINK_CMD_PARAM_SET: /* fall through */
+ case DEVLINK_CMD_PARAM_NEW: /* fall through */
+ case DEVLINK_CMD_PARAM_DEL:
+ mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
+ if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
+ !tb[DEVLINK_ATTR_PARAM])
+ return MNL_CB_ERROR;
+ pr_out_mon_header(genl->cmd);
+ pr_out_param(dl, tb, false);
+ break;
+ case DEVLINK_CMD_REGION_GET: /* fall through */
+ case DEVLINK_CMD_REGION_SET: /* fall through */
+ case DEVLINK_CMD_REGION_NEW: /* fall through */
+ case DEVLINK_CMD_REGION_DEL:
+ mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
+ if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
+ !tb[DEVLINK_ATTR_REGION_NAME])
+ return MNL_CB_ERROR;
+ pr_out_mon_header(genl->cmd);
+ pr_out_region(dl, tb);
+ break;
}
return MNL_CB_OK;
}
unsigned int fields_count;
};
+struct dpipe_table {
+ struct list_head list;
+ char *name;
+ unsigned int resource_id;
+ bool resource_valid;
+};
+
+struct dpipe_tables {
+ struct list_head table_list;
+};
+
+struct resource {
+ char *name;
+ uint64_t size;
+ uint64_t size_new;
+ uint64_t size_min;
+ uint64_t size_max;
+ uint64_t size_gran;
+ enum devlink_resource_unit unit;
+ bool size_valid;
+ uint64_t size_occ;
+ bool occ_valid;
+ uint64_t id;
+ struct list_head list;
+ struct list_head resource_list;
+ struct resource *parent;
+};
+
+struct resources {
+ struct list_head resource_list;
+};
+
+struct resource_ctx {
+ struct dl *dl;
+ int err;
+ struct resources *resources;
+ struct dpipe_tables *tables;
+ bool print_resources;
+ bool pending_change;
+};
+
+static struct resource *resource_alloc(void)
+{
+ struct resource *resource;
+
+ resource = calloc(1, sizeof(struct resource));
+ if (!resource)
+ return NULL;
+ INIT_LIST_HEAD(&resource->resource_list);
+ return resource;
+}
+
+static void resource_free(struct resource *resource)
+{
+ struct resource *child_resource, *tmp;
+
+ list_for_each_entry_safe(child_resource, tmp, &resource->resource_list,
+ list) {
+ free(child_resource->name);
+ resource_free(child_resource);
+ }
+ free(resource);
+}
+
+static struct resources *resources_alloc(void)
+{
+ struct resources *resources;
+
+ resources = calloc(1, sizeof(struct resources));
+ if (!resources)
+ return NULL;
+ INIT_LIST_HEAD(&resources->resource_list);
+ return resources;
+}
+
+static void resources_free(struct resources *resources)
+{
+ struct resource *resource, *tmp;
+
+ list_for_each_entry_safe(resource, tmp, &resources->resource_list, list)
+ resource_free(resource);
+}
+
+static int resource_ctx_init(struct resource_ctx *ctx, struct dl *dl)
+{
+ ctx->resources = resources_alloc();
+ if (!ctx->resources)
+ return -ENOMEM;
+ ctx->dl = dl;
+ return 0;
+}
+
+static void resource_ctx_fini(struct resource_ctx *ctx)
+{
+ resources_free(ctx->resources);
+}
+
struct dpipe_ctx {
struct dl *dl;
int err;
struct list_head global_headers;
struct list_head local_headers;
+ struct dpipe_tables *tables;
+ struct resources *resources;
bool print_headers;
+ bool print_tables;
};
static struct dpipe_header *dpipe_header_alloc(unsigned int fields_count)
list_del(&header->list);
}
-static struct dpipe_ctx *dpipe_ctx_alloc(struct dl *dl)
+static struct dpipe_table *dpipe_table_alloc(void)
{
- struct dpipe_ctx *ctx;
+ return calloc(1, sizeof(struct dpipe_table));
+}
- ctx = calloc(1, sizeof(struct dpipe_ctx));
- if (!ctx)
- return NULL;
- ctx->dl = dl;
- INIT_LIST_HEAD(&ctx->global_headers);
- INIT_LIST_HEAD(&ctx->local_headers);
- return ctx;
+static void dpipe_table_free(struct dpipe_table *table)
+{
+ free(table);
}
-static void dpipe_ctx_free(struct dpipe_ctx *ctx)
+static struct dpipe_tables *dpipe_tables_alloc(void)
{
- free(ctx);
+ struct dpipe_tables *tables;
+
+ tables = calloc(1, sizeof(struct dpipe_tables));
+ if (!tables)
+ return NULL;
+ INIT_LIST_HEAD(&tables->table_list);
+ return tables;
}
-static void dpipe_ctx_clear(struct dpipe_ctx *ctx)
+static void dpipe_tables_free(struct dpipe_tables *tables)
{
- struct dpipe_header *header, *tmp;
+ struct dpipe_table *table, *tmp;
- list_for_each_entry_safe(header, tmp, &ctx->global_headers,
+ list_for_each_entry_safe(table, tmp, &tables->table_list, list)
+ dpipe_table_free(table);
+ free(tables);
+}
+
+static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl)
+{
+ ctx->tables = dpipe_tables_alloc();
+ if (!ctx->tables)
+ return -ENOMEM;
+
+ ctx->dl = dl;
+ INIT_LIST_HEAD(&ctx->global_headers);
+ INIT_LIST_HEAD(&ctx->local_headers);
+ return 0;
+}
+
+static void dpipe_ctx_fini(struct dpipe_ctx *ctx)
+{
+ 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_clear(header);
dpipe_header_free(header);
}
+ dpipe_tables_free(ctx->tables);
}
static const char *dpipe_header_id2s(struct dpipe_ctx *ctx,
static int cmd_dpipe_headers_show(struct dl *dl)
{
struct nlmsghdr *nlh;
- struct dpipe_ctx *ctx;
+ struct dpipe_ctx ctx = {};
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
if (err)
return err;
- ctx = dpipe_ctx_alloc(dl);
- if (!ctx)
- return -ENOMEM;
+ err = dpipe_ctx_init(&ctx, dl);
+ if (err)
+ return err;
- ctx->print_headers = true;
+ ctx.print_headers = true;
pr_out_section_start(dl, "header");
- err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, ctx);
+ 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_err("error get headers %s\n", strerror(ctx.err));
pr_out_section_end(dl);
- dpipe_ctx_clear(ctx);
- dpipe_ctx_free(ctx);
+ dpipe_ctx_fini(&ctx);
return err;
}
return -EINVAL;
}
+static struct resource *
+resource_find(struct resources *resources, struct resource *resource,
+ uint64_t resource_id)
+{
+ struct list_head *list_head;
+
+ if (!resource)
+ list_head = &resources->resource_list;
+ else
+ list_head = &resource->resource_list;
+
+ list_for_each_entry(resource, list_head, list) {
+ struct resource *child_resource;
+
+ if (resource->id == resource_id)
+ return resource;
+
+ child_resource = resource_find(resources, resource,
+ resource_id);
+ if (child_resource)
+ return child_resource;
+ }
+ return NULL;
+}
+
+static void
+resource_path_print(struct dl *dl, struct resources *resources,
+ uint64_t resource_id)
+{
+ struct resource *resource, *parent_resource;
+ const char del[] = "/";
+ int path_len = 0;
+ char *path;
+
+ resource = resource_find(resources, NULL, resource_id);
+ if (!resource)
+ return;
+
+ for (parent_resource = resource; parent_resource;
+ parent_resource = parent_resource->parent)
+ path_len += strlen(parent_resource->name) + 1;
+
+ path_len++;
+ path = calloc(1, path_len);
+ if (!path)
+ return;
+
+ path += path_len - 1;
+ for (parent_resource = resource; parent_resource;
+ parent_resource = parent_resource->parent) {
+ path -= strlen(parent_resource->name);
+ memcpy(path, parent_resource->name,
+ strlen(parent_resource->name));
+ path -= strlen(del);
+ memcpy(path, del, strlen(del));
+ }
+ pr_out_str(dl, "resource_path", path);
+ free(path);
+}
+
static int dpipe_table_show(struct dpipe_ctx *ctx, struct nlattr *nl)
{
struct nlattr *nla_table[DEVLINK_ATTR_MAX + 1] = {};
+ struct dpipe_table *table;
+ uint32_t resource_units;
bool counters_enabled;
- const char *name;
+ bool resource_valid;
uint32_t size;
int err;
return -EINVAL;
}
- name = mnl_attr_get_str(nla_table[DEVLINK_ATTR_DPIPE_TABLE_NAME]);
+ table = dpipe_table_alloc();
+ if (!table)
+ return -ENOMEM;
+
+ table->name = strdup(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);
+ resource_valid = !!nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID];
+ if (resource_valid) {
+ table->resource_id = mnl_attr_get_u64(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_ID]);
+ table->resource_valid = true;
+ }
+
+ list_add_tail(&table->list, &ctx->tables->table_list);
+ if (!ctx->print_tables)
+ return 0;
+
+ pr_out_str(ctx->dl, "name", table->name);
pr_out_uint(ctx->dl, "size", size);
pr_out_str(ctx->dl, "counters_enabled",
counters_enabled ? "true" : "false");
+ if (resource_valid) {
+ resource_units = mnl_attr_get_u32(nla_table[DEVLINK_ATTR_DPIPE_TABLE_RESOURCE_UNITS]);
+ resource_path_print(ctx->dl, ctx->resources,
+ table->resource_id);
+ pr_out_uint(ctx->dl, "resource_units", resource_units);
+ }
+
pr_out_array_start(ctx->dl, "match");
if (dpipe_table_matches_show(ctx, nla_table[DEVLINK_ATTR_DPIPE_TABLE_MATCHES]))
goto err_matches_show;
struct nlattr *nla_table;
mnl_attr_for_each_nested(nla_table, nla_tables) {
- pr_out_handle_start_arr(ctx->dl, tb);
+ if (ctx->print_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);
+ if (ctx->print_tables)
+ pr_out_handle_end(ctx->dl);
}
return 0;
err_table_show:
- pr_out_handle_end(ctx->dl);
+ if (ctx->print_tables)
+ pr_out_handle_end(ctx->dl);
return -EINVAL;
}
return MNL_CB_OK;
}
+static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data);
+
static int cmd_dpipe_table_show(struct dl *dl)
{
struct nlmsghdr *nlh;
- struct dpipe_ctx *ctx;
+ struct dpipe_ctx dpipe_ctx = {};
+ struct resource_ctx resource_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;
+ return err;
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
+
+ err = dpipe_ctx_init(&dpipe_ctx, dl);
+ if (err)
+ return err;
+
+ dpipe_ctx.print_tables = true;
+
dl_opts_put(nlh, dl);
- err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, ctx);
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb,
+ &dpipe_ctx);
if (err) {
- pr_err("error get headers %s\n", strerror(ctx->err));
- goto out;
+ pr_err("error get headers %s\n", strerror(dpipe_ctx.err));
+ goto err_headers_get;
+ }
+
+ err = resource_ctx_init(&resource_ctx, dl);
+ if (err)
+ goto err_resource_ctx_init;
+
+ resource_ctx.print_resources = false;
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP, flags);
+ dl_opts_put(nlh, dl);
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
+ &resource_ctx);
+ if (err) {
+ pr_err("error get resources %s\n", strerror(resource_ctx.err));
+ goto err_resource_dump;
}
+ dpipe_ctx.resources = resource_ctx.resources;
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);
+ _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, &dpipe_ctx);
pr_out_section_end(dl);
-out:
- dpipe_ctx_clear(ctx);
- dpipe_ctx_free(ctx);
+
+ resource_ctx_fini(&resource_ctx);
+ dpipe_ctx_fini(&dpipe_ctx);
+ return 0;
+
+err_resource_dump:
+ resource_ctx_fini(&resource_ctx);
+err_resource_ctx_init:
+err_headers_get:
+ dpipe_ctx_fini(&dpipe_ctx);
return err;
}
static int cmd_dpipe_table_dump(struct dl *dl)
{
struct nlmsghdr *nlh;
- struct dpipe_ctx *ctx;
+ struct dpipe_ctx ctx = {};
uint16_t flags = NLM_F_REQUEST;
int err;
- ctx = dpipe_ctx_alloc(dl);
- if (!ctx)
- return -ENOMEM;
+ err = dpipe_ctx_init(&ctx, dl);
+ if (err)
+ return err;
err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0);
if (err)
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);
+ 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_err("error get headers %s\n", strerror(ctx.err));
goto out;
}
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);
+ _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);
+ dpipe_ctx_fini(&ctx);
return err;
}
return -ENOENT;
}
+static int
+resource_parse(struct resource_ctx *ctx, struct resource *resource,
+ struct nlattr **nla_resource)
+{
+ if (!nla_resource[DEVLINK_ATTR_RESOURCE_NAME] ||
+ !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE] ||
+ !nla_resource[DEVLINK_ATTR_RESOURCE_ID] ||
+ !nla_resource[DEVLINK_ATTR_RESOURCE_UNIT] ||
+ !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN] ||
+ !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX] ||
+ !nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]) {
+ return -EINVAL;
+ }
+
+ resource->name = strdup(mnl_attr_get_str(nla_resource[DEVLINK_ATTR_RESOURCE_NAME]));
+ resource->size = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE]);
+ resource->id = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_ID]);
+ resource->unit = mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_UNIT]);
+ resource->size_min = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MIN]);
+ resource->size_max = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_MAX]);
+ resource->size_gran = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_GRAN]);
+
+ if (nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW])
+ resource->size_new = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_NEW]);
+ else
+ resource->size_new = resource->size;
+
+ if (nla_resource[DEVLINK_ATTR_RESOURCE_OCC]) {
+ resource->size_occ = mnl_attr_get_u64(nla_resource[DEVLINK_ATTR_RESOURCE_OCC]);
+ resource->occ_valid = true;
+ }
+
+ if (resource->size_new != resource->size)
+ ctx->pending_change = true;
+
+ return 0;
+}
+
+static int
+resource_get(struct resource_ctx *ctx, struct resource *resource,
+ struct resource *parent_resource, struct nlattr *nl)
+{
+ struct nlattr *nla_resource[DEVLINK_ATTR_MAX + 1] = {};
+ struct nlattr *nla_child_resource;
+ struct nlattr *nla_resources;
+ bool top = false;
+ int err;
+
+ if (!resource) {
+ nla_resources = nl;
+ top = true;
+ goto out;
+ }
+
+ err = mnl_attr_parse_nested(nl, attr_cb, nla_resource);
+ if (err != MNL_CB_OK)
+ return -EINVAL;
+
+ err = resource_parse(ctx, resource, nla_resource);
+ if (err)
+ return err;
+
+ resource->parent = parent_resource;
+ if (!nla_resource[DEVLINK_ATTR_RESOURCE_LIST])
+ return 0;
+
+ resource->size_valid = !!mnl_attr_get_u8(nla_resource[DEVLINK_ATTR_RESOURCE_SIZE_VALID]);
+ nla_resources = nla_resource[DEVLINK_ATTR_RESOURCE_LIST];
+out:
+ mnl_attr_for_each_nested(nla_child_resource, nla_resources) {
+ struct resource *child_resource;
+ struct list_head *list;
+
+ child_resource = resource_alloc();
+ if (!child_resource)
+ return -ENOMEM;
+
+ if (top)
+ list = &ctx->resources->resource_list;
+ else
+ list = &resource->resource_list;
+
+ list_add_tail(&child_resource->list, list);
+ err = resource_get(ctx, child_resource, resource,
+ nla_child_resource);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+
+static const char *resource_unit_str_get(enum devlink_resource_unit unit)
+{
+ switch (unit) {
+ case DEVLINK_RESOURCE_UNIT_ENTRY: return "entry";
+ default: return "<unknown unit>";
+ }
+}
+
+static void resource_show(struct resource *resource,
+ struct resource_ctx *ctx)
+{
+ struct resource *child_resource;
+ struct dpipe_table *table;
+ struct dl *dl = ctx->dl;
+ bool array = false;
+
+ pr_out_str(dl, "name", resource->name);
+ if (dl->verbose)
+ resource_path_print(dl, ctx->resources, resource->id);
+ pr_out_u64(dl, "size", resource->size);
+ if (resource->size != resource->size_new)
+ pr_out_u64(dl, "size_new", resource->size_new);
+ if (resource->occ_valid)
+ pr_out_uint(dl, "occ", resource->size_occ);
+ pr_out_str(dl, "unit", resource_unit_str_get(resource->unit));
+
+ if (resource->size_min != resource->size_max) {
+ pr_out_uint(dl, "size_min", resource->size_min);
+ pr_out_u64(dl, "size_max", resource->size_max);
+ pr_out_uint(dl, "size_gran", resource->size_gran);
+ }
+
+ list_for_each_entry(table, &ctx->tables->table_list, list)
+ if (table->resource_id == resource->id &&
+ table->resource_valid)
+ array = true;
+
+ if (array)
+ pr_out_array_start(dl, "dpipe_tables");
+ else
+ pr_out_str(dl, "dpipe_tables", "none");
+
+ list_for_each_entry(table, &ctx->tables->table_list, list) {
+ if (table->resource_id != resource->id ||
+ !table->resource_valid)
+ continue;
+ pr_out_entry_start(dl);
+ pr_out_str(dl, "table_name", table->name);
+ pr_out_entry_end(dl);
+ }
+ if (array)
+ pr_out_array_end(dl);
+
+ if (list_empty(&resource->resource_list))
+ return;
+
+ if (ctx->pending_change)
+ pr_out_str(dl, "size_valid", resource->size_valid ?
+ "true" : "false");
+ pr_out_array_start(dl, "resources");
+ list_for_each_entry(child_resource, &resource->resource_list, list) {
+ pr_out_entry_start(dl);
+ resource_show(child_resource, ctx);
+ pr_out_entry_end(dl);
+ }
+ pr_out_array_end(dl);
+}
+
+static void
+resources_show(struct resource_ctx *ctx, struct nlattr **tb)
+{
+ struct resources *resources = ctx->resources;
+ struct resource *resource;
+
+ list_for_each_entry(resource, &resources->resource_list, list) {
+ pr_out_handle_start_arr(ctx->dl, tb);
+ resource_show(resource, ctx);
+ pr_out_handle_end(ctx->dl);
+ }
+}
+
+static int resources_get(struct resource_ctx *ctx, struct nlattr **tb)
+{
+ return resource_get(ctx, NULL, NULL, tb[DEVLINK_ATTR_RESOURCE_LIST]);
+}
+
+static int cmd_resource_dump_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct resource_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_RESOURCE_LIST])
+ return MNL_CB_ERROR;
+
+ err = resources_get(ctx, tb);
+ if (err) {
+ ctx->err = err;
+ return MNL_CB_ERROR;
+ }
+
+ if (ctx->print_resources)
+ resources_show(ctx, tb);
+
+ return MNL_CB_OK;
+}
+
+static int cmd_resource_show(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ struct dpipe_ctx dpipe_ctx = {};
+ struct resource_ctx resource_ctx = {};
+ int err;
+
+ err = dl_argv_parse(dl, DL_OPT_HANDLE, 0);
+ if (err)
+ return err;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_TABLE_GET,
+ NLM_F_REQUEST);
+ dl_opts_put(nlh, dl);
+
+ err = dpipe_ctx_init(&dpipe_ctx, dl);
+ if (err)
+ return err;
+
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb,
+ &dpipe_ctx);
+ if (err) {
+ pr_err("error get tables %s\n", strerror(dpipe_ctx.err));
+ goto out;
+ }
+
+ err = resource_ctx_init(&resource_ctx, dl);
+ if (err)
+ goto out;
+
+ resource_ctx.print_resources = true;
+ resource_ctx.tables = dpipe_ctx.tables;
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
+ NLM_F_REQUEST | NLM_F_ACK);
+ dl_opts_put(nlh, dl);
+ pr_out_section_start(dl, "resources");
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb,
+ &resource_ctx);
+ pr_out_section_end(dl);
+ resource_ctx_fini(&resource_ctx);
+out:
+ dpipe_ctx_fini(&dpipe_ctx);
+ return err;
+}
+
+static void cmd_resource_help(void)
+{
+ pr_err("Usage: devlink resource show DEV\n"
+ " devlink resource set DEV path PATH size SIZE\n");
+}
+
+static struct resource *
+resource_find_by_name(struct list_head *list, char *name)
+{
+ struct resource *resource;
+
+ list_for_each_entry(resource, list, list) {
+ if (!strcmp(resource->name, name))
+ return resource;
+ }
+ return NULL;
+}
+
+static int
+resource_path_parse(struct resource_ctx *ctx, const char *resource_path,
+ uint32_t *p_resource_id, bool *p_resource_valid)
+{
+ struct resource *resource;
+ uint32_t resource_id = 0;
+ char *resource_path_dup;
+ struct list_head *list;
+ const char del[] = "/";
+ char *resource_name;
+
+ resource_path_dup = strdup(resource_path);
+ list = &ctx->resources->resource_list;
+ resource_name = strtok(resource_path_dup, del);
+ while (resource_name != NULL) {
+ resource = resource_find_by_name(list, resource_name);
+ if (!resource)
+ goto err_resource_lookup;
+
+ list = &resource->resource_list;
+ resource_name = strtok(NULL, del);
+ resource_id = resource->id;
+ }
+ free(resource_path_dup);
+ *p_resource_valid = true;
+ *p_resource_id = resource_id;
+ return 0;
+
+err_resource_lookup:
+ free(resource_path_dup);
+ return -EINVAL;
+}
+
+static int cmd_resource_set(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ struct resource_ctx ctx = {};
+ int err;
+
+ err = resource_ctx_init(&ctx, dl);
+ if (err)
+ return err;
+
+ ctx.print_resources = false;
+ err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_RESOURCE_PATH |
+ DL_OPT_RESOURCE_SIZE, 0);
+ if (err)
+ goto out;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_DUMP,
+ NLM_F_REQUEST);
+ dl_opts_put(nlh, dl);
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_resource_dump_cb, &ctx);
+ if (err) {
+ pr_err("error getting resources %s\n", strerror(ctx.err));
+ goto out;
+ }
+
+ err = resource_path_parse(&ctx, dl->opts.resource_path,
+ &dl->opts.resource_id,
+ &dl->opts.resource_id_valid);
+ if (err) {
+ pr_err("error parsing resource path %s\n", strerror(-err));
+ goto out;
+ }
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_RESOURCE_SET,
+ NLM_F_REQUEST | NLM_F_ACK);
+
+ dl_opts_put(nlh, dl);
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
+out:
+ resource_ctx_fini(&ctx);
+ return err;
+}
+
+static int cmd_resource(struct dl *dl)
+{
+ if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
+ cmd_resource_help();
+ return 0;
+ } else if (dl_argv_match(dl, "show")) {
+ dl_arg_inc(dl);
+ return cmd_resource_show(dl);
+ } else if (dl_argv_match(dl, "set")) {
+ dl_arg_inc(dl);
+ return cmd_resource_set(dl);
+ }
+ pr_err("Command \"%s\" not found\n", dl_argv(dl));
+ return -ENOENT;
+}
+
+static void pr_out_region_handle_start(struct dl *dl, struct nlattr **tb)
+{
+ const char *bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]);
+ const char *dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]);
+ const char *region_name = mnl_attr_get_str(tb[DEVLINK_ATTR_REGION_NAME]);
+ char buf[256];
+
+ sprintf(buf, "%s/%s/%s", bus_name, dev_name, region_name);
+ if (dl->json_output) {
+ jsonw_name(dl->jw, buf);
+ jsonw_start_object(dl->jw);
+ } else {
+ pr_out("%s:", buf);
+ }
+}
+
+static void pr_out_region_handle_end(struct dl *dl)
+{
+ if (dl->json_output)
+ jsonw_end_object(dl->jw);
+ else
+ pr_out("\n");
+}
+
+static void pr_out_region_snapshots_start(struct dl *dl, bool array)
+{
+ if (dl->json_output) {
+ jsonw_name(dl->jw, "snapshot");
+ jsonw_start_array(dl->jw);
+ } else {
+ if (g_indent_newline)
+ pr_out("snapshot %s", array ? "[" : "");
+ else
+ pr_out(" snapshot %s", array ? "[" : "");
+ }
+}
+
+static void pr_out_region_snapshots_end(struct dl *dl, bool array)
+{
+ if (dl->json_output)
+ jsonw_end_array(dl->jw);
+ else if (array)
+ pr_out("]");
+}
+
+static void pr_out_region_snapshots_id(struct dl *dl, struct nlattr **tb, int index)
+{
+ uint32_t snapshot_id;
+
+ if (!tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
+ return;
+
+ snapshot_id = mnl_attr_get_u32(tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID]);
+
+ if (dl->json_output)
+ jsonw_uint(dl->jw, snapshot_id);
+ else
+ pr_out("%s%u", index ? " " : "", snapshot_id);
+}
+
+static void pr_out_snapshots(struct dl *dl, struct nlattr **tb)
+{
+ struct nlattr *tb_snapshot[DEVLINK_ATTR_MAX + 1] = {};
+ struct nlattr *nla_sanpshot;
+ int err, index = 0;
+
+ pr_out_region_snapshots_start(dl, true);
+ mnl_attr_for_each_nested(nla_sanpshot, tb[DEVLINK_ATTR_REGION_SNAPSHOTS]) {
+ err = mnl_attr_parse_nested(nla_sanpshot, attr_cb, tb_snapshot);
+ if (err != MNL_CB_OK)
+ return;
+ pr_out_region_snapshots_id(dl, tb_snapshot, index++);
+ }
+ pr_out_region_snapshots_end(dl, true);
+}
+
+static void pr_out_snapshot(struct dl *dl, struct nlattr **tb)
+{
+ pr_out_region_snapshots_start(dl, false);
+ pr_out_region_snapshots_id(dl, tb, 0);
+ pr_out_region_snapshots_end(dl, false);
+}
+
+static void pr_out_region(struct dl *dl, struct nlattr **tb)
+{
+ pr_out_region_handle_start(dl, tb);
+
+ if (tb[DEVLINK_ATTR_REGION_SIZE])
+ pr_out_u64(dl, "size",
+ mnl_attr_get_u64(tb[DEVLINK_ATTR_REGION_SIZE]));
+
+ if (tb[DEVLINK_ATTR_REGION_SNAPSHOTS])
+ pr_out_snapshots(dl, tb);
+
+ if (tb[DEVLINK_ATTR_REGION_SNAPSHOT_ID])
+ pr_out_snapshot(dl, tb);
+
+ pr_out_region_handle_end(dl);
+}
+
+static int cmd_region_show_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
+ struct dl *dl = data;
+
+ mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
+ if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
+ !tb[DEVLINK_ATTR_REGION_NAME] || !tb[DEVLINK_ATTR_REGION_SIZE])
+ return MNL_CB_ERROR;
+
+ pr_out_region(dl, tb);
+
+ return MNL_CB_OK;
+}
+
+static int cmd_region_show(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
+ int err;
+
+ if (dl_argc(dl) == 0)
+ flags |= NLM_F_DUMP;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_GET, flags);
+
+ if (dl_argc(dl) > 0) {
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION, 0);
+ if (err)
+ return err;
+ }
+
+ pr_out_section_start(dl, "regions");
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_show_cb, dl);
+ pr_out_section_end(dl);
+ return err;
+}
+
+static int cmd_region_snapshot_del(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ int err;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_DEL,
+ NLM_F_REQUEST | NLM_F_ACK);
+
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
+ DL_OPT_REGION_SNAPSHOT_ID, 0);
+ if (err)
+ return err;
+
+ return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
+}
+
+static int cmd_region_read_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct nlattr *nla_entry, *nla_chunk_data, *nla_chunk_addr;
+ struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh);
+ struct nlattr *tb_field[DEVLINK_ATTR_MAX + 1] = {};
+ struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {};
+ struct dl *dl = data;
+ 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_REGION_CHUNKS])
+ return MNL_CB_ERROR;
+
+ mnl_attr_for_each_nested(nla_entry, tb[DEVLINK_ATTR_REGION_CHUNKS]) {
+ err = mnl_attr_parse_nested(nla_entry, attr_cb, tb_field);
+ if (err != MNL_CB_OK)
+ return MNL_CB_ERROR;
+
+ nla_chunk_data = tb_field[DEVLINK_ATTR_REGION_CHUNK_DATA];
+ if (!nla_chunk_data)
+ continue;
+
+ nla_chunk_addr = tb_field[DEVLINK_ATTR_REGION_CHUNK_ADDR];
+ if (!nla_chunk_addr)
+ continue;
+
+ pr_out_region_chunk(dl, mnl_attr_get_payload(nla_chunk_data),
+ mnl_attr_get_payload_len(nla_chunk_data),
+ mnl_attr_get_u64(nla_chunk_addr));
+ }
+ return MNL_CB_OK;
+}
+
+static int cmd_region_dump(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ int err;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
+ NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
+
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
+ DL_OPT_REGION_SNAPSHOT_ID, 0);
+ if (err)
+ return err;
+
+ pr_out_section_start(dl, "dump");
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
+ pr_out_section_end(dl);
+ if (!dl->json_output)
+ pr_out("\n");
+ return err;
+}
+
+static int cmd_region_read(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ int err;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_REGION_READ,
+ NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
+
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE_REGION |
+ DL_OPT_REGION_ADDRESS | DL_OPT_REGION_LENGTH |
+ DL_OPT_REGION_SNAPSHOT_ID, 0);
+ if (err)
+ return err;
+
+ pr_out_section_start(dl, "read");
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_region_read_cb, dl);
+ pr_out_section_end(dl);
+ if (!dl->json_output)
+ pr_out("\n");
+ return err;
+}
+
+static void cmd_region_help(void)
+{
+ pr_err("Usage: devlink region show [ DEV/REGION ]\n");
+ pr_err(" devlink region del DEV/REGION snapshot SNAPSHOT_ID\n");
+ pr_err(" devlink region dump DEV/REGION [ snapshot SNAPSHOT_ID ]\n");
+ pr_err(" devlink region read DEV/REGION [ snapshot SNAPSHOT_ID ] address ADDRESS length LENGTH\n");
+}
+
+static int cmd_region(struct dl *dl)
+{
+ if (dl_no_arg(dl)) {
+ return cmd_region_show(dl);
+ } else if (dl_argv_match(dl, "help")) {
+ cmd_region_help();
+ return 0;
+ } else if (dl_argv_match(dl, "show")) {
+ dl_arg_inc(dl);
+ return cmd_region_show(dl);
+ } else if (dl_argv_match(dl, "del")) {
+ dl_arg_inc(dl);
+ return cmd_region_snapshot_del(dl);
+ } else if (dl_argv_match(dl, "dump")) {
+ dl_arg_inc(dl);
+ return cmd_region_dump(dl);
+ } else if (dl_argv_match(dl, "read")) {
+ dl_arg_inc(dl);
+ return cmd_region_read(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");
+ " devlink [ -f[orce] ] -b[atch] filename\n"
+ "where OBJECT := { dev | port | sb | monitor | dpipe | resource | region }\n"
+ " OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] }\n");
}
-static int dl_cmd(struct dl *dl)
+static int dl_cmd(struct dl *dl, int argc, char **argv)
{
+ dl->argc = argc;
+ dl->argv = argv;
+
if (dl_argv_match(dl, "help") || dl_no_arg(dl)) {
help();
return 0;
} else if (dl_argv_match(dl, "dpipe")) {
dl_arg_inc(dl);
return cmd_dpipe(dl);
+ } else if (dl_argv_match(dl, "resource")) {
+ dl_arg_inc(dl);
+ return cmd_resource(dl);
+ } else if (dl_argv_match(dl, "region")) {
+ dl_arg_inc(dl);
+ return cmd_region(dl);
}
pr_err("Object \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
-static int dl_init(struct dl *dl, int argc, char **argv)
+static int dl_init(struct dl *dl)
{
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");
free(dl);
}
+static int dl_batch(struct dl *dl, const char *name, bool force)
+{
+ char *line = NULL;
+ size_t len = 0;
+ int ret = EXIT_SUCCESS;
+
+ if (name && strcmp(name, "-") != 0) {
+ if (freopen(name, "r", stdin) == NULL) {
+ fprintf(stderr,
+ "Cannot open file \"%s\" for reading: %s\n",
+ name, strerror(errno));
+ return EXIT_FAILURE;
+ }
+ }
+
+ cmdlineno = 0;
+ while (getcmdline(&line, &len, stdin) != -1) {
+ char *largv[100];
+ int largc;
+
+ largc = makeargs(line, largv, 100);
+ if (!largc)
+ continue; /* blank line */
+
+ if (dl_cmd(dl, largc, largv)) {
+ fprintf(stderr, "Command failed %s:%d\n",
+ name, cmdlineno);
+ ret = EXIT_FAILURE;
+ if (!force)
+ break;
+ }
+ }
+
+ if (line)
+ free(line);
+
+ return ret;
+}
+
int main(int argc, char **argv)
{
static const struct option long_options[] = {
{ "Version", no_argument, NULL, 'V' },
+ { "force", no_argument, NULL, 'f' },
+ { "batch", required_argument, NULL, 'b' },
{ "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 }
};
+ const char *batch_file = NULL;
+ bool force = false;
struct dl *dl;
int opt;
int err;
return EXIT_FAILURE;
}
- while ((opt = getopt_long(argc, argv, "Vnjpv",
+ while ((opt = getopt_long(argc, argv, "Vfb:njpv",
long_options, NULL)) >= 0) {
switch (opt) {
printf("devlink utility, iproute2-ss%s\n", SNAPSHOT);
ret = EXIT_SUCCESS;
goto dl_free;
+ case 'f':
+ force = true;
+ break;
+ case 'b':
+ batch_file = optarg;
+ break;
case 'n':
dl->no_nice_names = true;
break;
argc -= optind;
argv += optind;
- err = dl_init(dl, argc, argv);
+ err = dl_init(dl);
if (err) {
ret = EXIT_FAILURE;
goto dl_free;
}
- err = dl_cmd(dl);
+ if (batch_file)
+ err = dl_batch(dl, batch_file, force);
+ else
+ err = dl_cmd(dl, argc, argv);
+
if (err) {
ret = EXIT_FAILURE;
goto dl_fini;
projects / mirror_iproute2.git / blobdiff