| /* |
| * devlink.c Devlink tool |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| * |
| * Authors: Jiri Pirko <jiri@mellanox.com> |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stdbool.h> |
| #include <unistd.h> |
| #include <getopt.h> |
| #include <limits.h> |
| #include <errno.h> |
| #include <linux/genetlink.h> |
| #include <linux/devlink.h> |
| #include <libmnl/libmnl.h> |
| |
| #include "SNAPSHOT.h" |
| #include "list.h" |
| #include "mnlg.h" |
| #include "json_writer.h" |
| |
| #define ESWITCH_MODE_LEGACY "legacy" |
| #define ESWITCH_MODE_SWITCHDEV "switchdev" |
| |
| #define pr_err(args...) fprintf(stderr, ##args) |
| #define pr_out(args...) fprintf(stdout, ##args) |
| #define pr_out_sp(num, args...) \ |
| do { \ |
| int ret = fprintf(stdout, ##args); \ |
| if (ret < num) \ |
| fprintf(stdout, "%*s", num - ret, ""); \ |
| } while (0) |
| |
| static int _mnlg_socket_recv_run(struct mnlg_socket *nlg, |
| mnl_cb_t data_cb, void *data) |
| { |
| int err; |
| |
| err = mnlg_socket_recv_run(nlg, data_cb, data); |
| if (err < 0) { |
| pr_err("devlink answers: %s\n", strerror(errno)); |
| return -errno; |
| } |
| return 0; |
| } |
| |
| static int _mnlg_socket_sndrcv(struct mnlg_socket *nlg, |
| const struct nlmsghdr *nlh, |
| mnl_cb_t data_cb, void *data) |
| { |
| int err; |
| |
| err = mnlg_socket_send(nlg, nlh); |
| if (err < 0) { |
| pr_err("Failed to call mnlg_socket_send\n"); |
| return -errno; |
| } |
| return _mnlg_socket_recv_run(nlg, data_cb, data); |
| } |
| |
| static int _mnlg_socket_group_add(struct mnlg_socket *nlg, |
| const char *group_name) |
| { |
| int err; |
| |
| err = mnlg_socket_group_add(nlg, group_name); |
| if (err < 0) { |
| pr_err("Failed to call mnlg_socket_group_add\n"); |
| return -errno; |
| } |
| return 0; |
| } |
| |
| struct ifname_map { |
| struct list_head list; |
| char *bus_name; |
| char *dev_name; |
| uint32_t port_index; |
| char *ifname; |
| }; |
| |
| static struct ifname_map *ifname_map_alloc(const char *bus_name, |
| const char *dev_name, |
| uint32_t port_index, |
| const char *ifname) |
| { |
| struct ifname_map *ifname_map; |
| |
| ifname_map = calloc(1, sizeof(*ifname_map)); |
| if (!ifname_map) |
| return NULL; |
| ifname_map->bus_name = strdup(bus_name); |
| ifname_map->dev_name = strdup(dev_name); |
| ifname_map->port_index = port_index; |
| ifname_map->ifname = strdup(ifname); |
| if (!ifname_map->bus_name || !ifname_map->dev_name || |
| !ifname_map->ifname) { |
| free(ifname_map->ifname); |
| free(ifname_map->dev_name); |
| free(ifname_map->bus_name); |
| free(ifname_map); |
| return NULL; |
| } |
| return ifname_map; |
| } |
| |
| static void ifname_map_free(struct ifname_map *ifname_map) |
| { |
| free(ifname_map->ifname); |
| free(ifname_map->dev_name); |
| free(ifname_map->bus_name); |
| 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_PORT_COUNT BIT(3) |
| #define DL_OPT_SB BIT(4) |
| #define DL_OPT_SB_POOL BIT(5) |
| #define DL_OPT_SB_SIZE BIT(6) |
| #define DL_OPT_SB_TYPE BIT(7) |
| #define DL_OPT_SB_THTYPE BIT(8) |
| #define DL_OPT_SB_TH BIT(9) |
| #define DL_OPT_SB_TC BIT(10) |
| #define DL_OPT_ESWITCH_MODE BIT(11) |
| |
| struct dl_opts { |
| uint32_t present; /* flags of present items */ |
| char *bus_name; |
| char *dev_name; |
| uint32_t port_index; |
| enum devlink_port_type port_type; |
| uint32_t port_count; |
| uint32_t sb_index; |
| uint16_t sb_pool_index; |
| uint32_t sb_pool_size; |
| enum devlink_sb_pool_type sb_pool_type; |
| enum devlink_sb_threshold_type sb_pool_thtype; |
| uint32_t sb_threshold; |
| uint16_t sb_tc_index; |
| enum devlink_eswitch_mode eswitch_mode; |
| }; |
| |
| struct dl { |
| struct mnlg_socket *nlg; |
| struct list_head ifname_map_list; |
| int argc; |
| char **argv; |
| bool no_nice_names; |
| struct dl_opts opts; |
| json_writer_t *jw; |
| bool json_output; |
| bool pretty_output; |
| struct { |
| bool present; |
| char *bus_name; |
| char *dev_name; |
| uint32_t port_index; |
| } arr_last; |
| }; |
| |
| static int dl_argc(struct dl *dl) |
| { |
| return dl->argc; |
| } |
| |
| static char *dl_argv(struct dl *dl) |
| { |
| if (dl_argc(dl) == 0) |
| return NULL; |
| return *dl->argv; |
| } |
| |
| static void dl_arg_inc(struct dl *dl) |
| { |
| if (dl_argc(dl) == 0) |
| return; |
| dl->argc--; |
| dl->argv++; |
| } |
| |
| static char *dl_argv_next(struct dl *dl) |
| { |
| char *ret; |
| |
| if (dl_argc(dl) == 0) |
| return NULL; |
| |
| ret = *dl->argv; |
| dl_arg_inc(dl); |
| return ret; |
| } |
| |
| static char *dl_argv_index(struct dl *dl, unsigned int index) |
| { |
| if (index >= dl_argc(dl)) |
| return NULL; |
| return dl->argv[index]; |
| } |
| |
| static int strcmpx(const char *str1, const char *str2) |
| { |
| if (strlen(str1) > strlen(str2)) |
| return -1; |
| return strncmp(str1, str2, strlen(str1)); |
| } |
| |
| static bool dl_argv_match(struct dl *dl, const char *pattern) |
| { |
| if (dl_argc(dl) == 0) |
| return false; |
| return strcmpx(dl_argv(dl), pattern) == 0; |
| } |
| |
| static bool dl_no_arg(struct dl *dl) |
| { |
| return dl_argc(dl) == 0; |
| } |
| |
| 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) |
| return MNL_CB_ERROR; |
| tb[type] = attr; |
| return MNL_CB_OK; |
| } |
| |
| static int ifname_map_cb(const struct nlmsghdr *nlh, void *data) |
| { |
| struct nlattr *tb[DEVLINK_ATTR_MAX + 1] = {}; |
| struct genlmsghdr *genl = mnl_nlmsg_get_payload(nlh); |
| struct dl *dl = data; |
| struct ifname_map *ifname_map; |
| const char *bus_name; |
| const char *dev_name; |
| uint32_t port_ifindex; |
| const char *port_ifname; |
| |
| mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); |
| if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || |
| !tb[DEVLINK_ATTR_PORT_INDEX]) |
| return MNL_CB_ERROR; |
| |
| if (!tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) |
| return MNL_CB_OK; |
| |
| bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); |
| dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); |
| port_ifindex = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); |
| port_ifname = mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME]); |
| ifname_map = ifname_map_alloc(bus_name, dev_name, |
| port_ifindex, port_ifname); |
| if (!ifname_map) |
| return MNL_CB_ERROR; |
| list_add(&ifname_map->list, &dl->ifname_map_list); |
| |
| return MNL_CB_OK; |
| } |
| |
| static void ifname_map_fini(struct dl *dl) |
| { |
| struct ifname_map *ifname_map, *tmp; |
| |
| list_for_each_entry_safe(ifname_map, tmp, |
| &dl->ifname_map_list, list) { |
| list_del(&ifname_map->list); |
| ifname_map_free(ifname_map); |
| } |
| } |
| |
| static int ifname_map_init(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| INIT_LIST_HEAD(&dl->ifname_map_list); |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_GET, |
| NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP); |
| |
| err = _mnlg_socket_sndrcv(dl->nlg, nlh, ifname_map_cb, dl); |
| if (err) { |
| ifname_map_fini(dl); |
| return err; |
| } |
| return 0; |
| } |
| |
| static int ifname_map_lookup(struct dl *dl, const char *ifname, |
| char **p_bus_name, char **p_dev_name, |
| uint32_t *p_port_index) |
| { |
| struct ifname_map *ifname_map; |
| |
| list_for_each_entry(ifname_map, &dl->ifname_map_list, list) { |
| if (strcmp(ifname, ifname_map->ifname) == 0) { |
| *p_bus_name = ifname_map->bus_name; |
| *p_dev_name = ifname_map->dev_name; |
| *p_port_index = ifname_map->port_index; |
| return 0; |
| } |
| } |
| return -ENOENT; |
| } |
| |
| static int ifname_map_rev_lookup(struct dl *dl, const char *bus_name, |
| const char *dev_name, uint32_t port_index, |
| char **p_ifname) |
| { |
| struct ifname_map *ifname_map; |
| |
| list_for_each_entry(ifname_map, &dl->ifname_map_list, list) { |
| if (strcmp(bus_name, ifname_map->bus_name) == 0 && |
| strcmp(dev_name, ifname_map->dev_name) == 0 && |
| port_index == ifname_map->port_index) { |
| *p_ifname = ifname_map->ifname; |
| return 0; |
| } |
| } |
| return -ENOENT; |
| } |
| |
| static unsigned int strslashcount(char *str) |
| { |
| unsigned int count = 0; |
| char *pos = str; |
| |
| while ((pos = strchr(pos, '/'))) { |
| count++; |
| pos++; |
| } |
| return count; |
| } |
| |
| static int strslashrsplit(char *str, char **before, char **after) |
| { |
| char *slash; |
| |
| slash = strrchr(str, '/'); |
| if (!slash) |
| return -EINVAL; |
| *slash = '\0'; |
| *before = str; |
| *after = slash + 1; |
| return 0; |
| } |
| |
| static int strtouint32_t(const char *str, uint32_t *p_val) |
| { |
| char *endptr; |
| unsigned long int val; |
| |
| val = strtoul(str, &endptr, 10); |
| if (endptr == str || *endptr != '\0') |
| return -EINVAL; |
| if (val > UINT_MAX) |
| return -ERANGE; |
| *p_val = val; |
| return 0; |
| } |
| |
| static int strtouint16_t(const char *str, uint16_t *p_val) |
| { |
| char *endptr; |
| unsigned long int val; |
| |
| val = strtoul(str, &endptr, 10); |
| if (endptr == str || *endptr != '\0') |
| return -EINVAL; |
| if (val > USHRT_MAX) |
| return -ERANGE; |
| *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(struct dl *dl, char **p_bus_name, char **p_dev_name) |
| { |
| char *str = dl_argv_next(dl); |
| |
| if (!str) { |
| pr_err("Devlink identification (\"bus_name/dev_name\") expected\n"); |
| return -EINVAL; |
| } |
| if (strslashcount(str) != 1) { |
| pr_err("Wrong devlink identification string format.\n"); |
| pr_err("Expected \"bus_name/dev_name\".\n"); |
| return -EINVAL; |
| } |
| return __dl_argv_handle(str, p_bus_name, p_dev_name); |
| } |
| |
| static int __dl_argv_handle_port(char *str, |
| char **p_bus_name, char **p_dev_name, |
| uint32_t *p_port_index) |
| { |
| char *handlestr = handlestr; |
| char *portstr = portstr; |
| int err; |
| |
| strslashrsplit(str, &handlestr, &portstr); |
| 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); |
| return 0; |
| } |
| |
| static int __dl_argv_handle_port_ifname(struct dl *dl, char *str, |
| char **p_bus_name, char **p_dev_name, |
| uint32_t *p_port_index) |
| { |
| int err; |
| |
| err = ifname_map_lookup(dl, str, p_bus_name, p_dev_name, |
| p_port_index); |
| if (err) { |
| pr_err("Netdevice \"%s\" not found\n", str); |
| return err; |
| } |
| return 0; |
| } |
| |
| static int dl_argv_handle_port(struct dl *dl, char **p_bus_name, |
| char **p_dev_name, uint32_t *p_port_index) |
| { |
| char *str = dl_argv_next(dl); |
| unsigned int slash_count; |
| |
| if (!str) { |
| pr_err("Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\") expected.\n"); |
| return -EINVAL; |
| } |
| slash_count = strslashcount(str); |
| switch (slash_count) { |
| case 0: |
| return __dl_argv_handle_port_ifname(dl, str, p_bus_name, |
| p_dev_name, p_port_index); |
| case 2: |
| return __dl_argv_handle_port(str, p_bus_name, |
| p_dev_name, p_port_index); |
| default: |
| pr_err("Wrong port identification string format.\n"); |
| pr_err("Expected \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n"); |
| return -EINVAL; |
| } |
| } |
| |
| static int dl_argv_handle_both(struct dl *dl, char **p_bus_name, |
| char **p_dev_name, uint32_t *p_port_index, |
| uint32_t *p_handle_bit) |
| { |
| char *str = dl_argv_next(dl); |
| unsigned int slash_count; |
| int err; |
| |
| if (!str) { |
| pr_err("One of following identifications expected:\n" |
| "Devlink identification (\"bus_name/dev_name\")\n" |
| "Port identification (\"bus_name/dev_name/port_index\" or \"netdev ifname\")\n"); |
| return -EINVAL; |
| } |
| slash_count = strslashcount(str); |
| if (slash_count == 1) { |
| err = __dl_argv_handle(str, p_bus_name, p_dev_name); |
| if (err) |
| return err; |
| *p_handle_bit = DL_OPT_HANDLE; |
| } else if (slash_count == 2) { |
| err = __dl_argv_handle_port(str, p_bus_name, |
| p_dev_name, p_port_index); |
| if (err) |
| return err; |
| *p_handle_bit = DL_OPT_HANDLEP; |
| } else if (slash_count == 0) { |
| err = __dl_argv_handle_port_ifname(dl, str, p_bus_name, |
| p_dev_name, p_port_index); |
| if (err) |
| return err; |
| *p_handle_bit = DL_OPT_HANDLEP; |
| } else { |
| pr_err("Wrong port identification string format.\n"); |
| pr_err("Expected \"bus_name/dev_name\" or \"bus_name/dev_name/port_index\" or \"netdev_ifname\".\n"); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val) |
| { |
| char *str = dl_argv_next(dl); |
| int err; |
| |
| if (!str) { |
| pr_err("Unsigned number argument expected\n"); |
| return -EINVAL; |
| } |
| |
| err = strtouint32_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_uint16_t(struct dl *dl, uint16_t *p_val) |
| { |
| char *str = dl_argv_next(dl); |
| int err; |
| |
| if (!str) { |
| pr_err("Unsigned number argument expected\n"); |
| return -EINVAL; |
| } |
| |
| err = strtouint16_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_str(struct dl *dl, const char **p_str) |
| { |
| const char *str = dl_argv_next(dl); |
| |
| if (!str) { |
| pr_err("String parameter expected\n"); |
| return -EINVAL; |
| } |
| *p_str = str; |
| return 0; |
| } |
| |
| static int port_type_get(const char *typestr, enum devlink_port_type *p_type) |
| { |
| if (strcmp(typestr, "auto") == 0) { |
| *p_type = DEVLINK_PORT_TYPE_AUTO; |
| } else if (strcmp(typestr, "eth") == 0) { |
| *p_type = DEVLINK_PORT_TYPE_ETH; |
| } else if (strcmp(typestr, "ib") == 0) { |
| *p_type = DEVLINK_PORT_TYPE_IB; |
| } else { |
| pr_err("Unknown port type \"%s\"\n", typestr); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int pool_type_get(const char *typestr, enum devlink_sb_pool_type *p_type) |
| { |
| if (strcmp(typestr, "ingress") == 0) { |
| *p_type = DEVLINK_SB_POOL_TYPE_INGRESS; |
| } else if (strcmp(typestr, "egress") == 0) { |
| *p_type = DEVLINK_SB_POOL_TYPE_EGRESS; |
| } else { |
| pr_err("Unknown pool type \"%s\"\n", typestr); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int threshold_type_get(const char *typestr, |
| enum devlink_sb_threshold_type *p_type) |
| { |
| if (strcmp(typestr, "static") == 0) { |
| *p_type = DEVLINK_SB_THRESHOLD_TYPE_STATIC; |
| } else if (strcmp(typestr, "dynamic") == 0) { |
| *p_type = DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC; |
| } else { |
| pr_err("Unknown threshold type \"%s\"\n", typestr); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int eswitch_mode_get(const char *typestr, |
| enum devlink_eswitch_mode *p_mode) |
| { |
| if (strcmp(typestr, ESWITCH_MODE_LEGACY) == 0) { |
| *p_mode = DEVLINK_ESWITCH_MODE_LEGACY; |
| } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) { |
| *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV; |
| } else { |
| pr_err("Unknown eswitch mode \"%s\"\n", typestr); |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int dl_argv_parse(struct dl *dl, uint32_t o_required, |
| uint32_t o_optional) |
| { |
| struct dl_opts *opts = &dl->opts; |
| uint32_t o_all = o_required | o_optional; |
| uint32_t o_found = 0; |
| int err; |
| |
| if (o_required & DL_OPT_HANDLE && o_required & DL_OPT_HANDLEP) { |
| uint32_t handle_bit = 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 |= handle_bit; |
| } else if (o_required & DL_OPT_HANDLE) { |
| err = dl_argv_handle(dl, &opts->bus_name, &opts->dev_name); |
| if (err) |
| return err; |
| o_found |= DL_OPT_HANDLE; |
| } else if (o_required & DL_OPT_HANDLEP) { |
| err = dl_argv_handle_port(dl, &opts->bus_name, &opts->dev_name, |
| &opts->port_index); |
| if (err) |
| return err; |
| o_found |= DL_OPT_HANDLEP; |
| } |
| |
| while (dl_argc(dl)) { |
| if (dl_argv_match(dl, "type") && |
| (o_all & DL_OPT_PORT_TYPE)) { |
| const char *typestr; |
| |
| dl_arg_inc(dl); |
| err = dl_argv_str(dl, &typestr); |
| if (err) |
| return err; |
| err = port_type_get(typestr, &opts->port_type); |
| if (err) |
| return err; |
| o_found |= DL_OPT_PORT_TYPE; |
| } else if (dl_argv_match(dl, "count") && |
| (o_all & DL_OPT_PORT_COUNT)) { |
| dl_arg_inc(dl); |
| err = dl_argv_uint32_t(dl, &opts->port_count); |
| if (err) |
| return err; |
| o_found |= DL_OPT_PORT_COUNT; |
| } else if (dl_argv_match(dl, "sb") && |
| (o_all & DL_OPT_SB)) { |
| dl_arg_inc(dl); |
| err = dl_argv_uint32_t(dl, &opts->sb_index); |
| if (err) |
| return err; |
| o_found |= DL_OPT_SB; |
| } else if (dl_argv_match(dl, "pool") && |
| (o_all & DL_OPT_SB_POOL)) { |
| dl_arg_inc(dl); |
| err = dl_argv_uint16_t(dl, &opts->sb_pool_index); |
| if (err) |
| return err; |
| o_found |= DL_OPT_SB_POOL; |
| } else if (dl_argv_match(dl, "size") && |
| (o_all & DL_OPT_SB_SIZE)) { |
| dl_arg_inc(dl); |
| err = dl_argv_uint32_t(dl, &opts->sb_pool_size); |
| if (err) |
| return err; |
| o_found |= DL_OPT_SB_SIZE; |
| } else if (dl_argv_match(dl, "type") && |
| (o_all & DL_OPT_SB_TYPE)) { |
| const char *typestr; |
| |
| dl_arg_inc(dl); |
| err = dl_argv_str(dl, &typestr); |
| if (err) |
| return err; |
| err = pool_type_get(typestr, &opts->sb_pool_type); |
| if (err) |
| return err; |
| o_found |= DL_OPT_SB_TYPE; |
| } else if (dl_argv_match(dl, "thtype") && |
| (o_all & DL_OPT_SB_THTYPE)) { |
| const char *typestr; |
| |
| dl_arg_inc(dl); |
| err = dl_argv_str(dl, &typestr); |
| if (err) |
| return err; |
| err = threshold_type_get(typestr, |
| &opts->sb_pool_thtype); |
| if (err) |
| return err; |
| o_found |= DL_OPT_SB_THTYPE; |
| } else if (dl_argv_match(dl, "th") && |
| (o_all & DL_OPT_SB_TH)) { |
| dl_arg_inc(dl); |
| err = dl_argv_uint32_t(dl, &opts->sb_threshold); |
| if (err) |
| return err; |
| o_found |= DL_OPT_SB_TH; |
| } else if (dl_argv_match(dl, "tc") && |
| (o_all & DL_OPT_SB_TC)) { |
| dl_arg_inc(dl); |
| err = dl_argv_uint16_t(dl, &opts->sb_tc_index); |
| if (err) |
| return err; |
| o_found |= DL_OPT_SB_TC; |
| } else if (dl_argv_match(dl, "mode") && |
| (o_all & DL_OPT_ESWITCH_MODE)) { |
| const char *typestr; |
| |
| dl_arg_inc(dl); |
| err = dl_argv_str(dl, &typestr); |
| if (err) |
| return err; |
| err = eswitch_mode_get(typestr, &opts->eswitch_mode); |
| if (err) |
| return err; |
| o_found |= DL_OPT_ESWITCH_MODE; |
| } else { |
| pr_err("Unknown option \"%s\"\n", dl_argv(dl)); |
| return -EINVAL; |
| } |
| } |
| |
| opts->present = o_found; |
| |
| if ((o_optional & DL_OPT_SB) && !(o_found & DL_OPT_SB)) { |
| opts->sb_index = 0; |
| opts->present |= DL_OPT_SB; |
| } |
| |
| if ((o_required & DL_OPT_PORT_TYPE) && !(o_found & DL_OPT_PORT_TYPE)) { |
| pr_err("Port type option expected.\n"); |
| return -EINVAL; |
| } |
| |
| if ((o_required & DL_OPT_PORT_COUNT) && |
| !(o_found & DL_OPT_PORT_COUNT)) { |
| pr_err("Port split count option expected.\n"); |
| return -EINVAL; |
| } |
| |
| if ((o_required & DL_OPT_SB_POOL) && !(o_found & DL_OPT_SB_POOL)) { |
| pr_err("Pool index option expected.\n"); |
| return -EINVAL; |
| } |
| |
| if ((o_required & DL_OPT_SB_SIZE) && !(o_found & DL_OPT_SB_SIZE)) { |
| pr_err("Pool size option expected.\n"); |
| return -EINVAL; |
| } |
| |
| if ((o_required & DL_OPT_SB_TYPE) && !(o_found & DL_OPT_SB_TYPE)) { |
| pr_err("Pool type option expected.\n"); |
| return -EINVAL; |
| } |
| |
| if ((o_required & DL_OPT_SB_THTYPE) && !(o_found & DL_OPT_SB_THTYPE)) { |
| pr_err("Pool threshold type option expected.\n"); |
| return -EINVAL; |
| } |
| |
| if ((o_required & DL_OPT_SB_TH) && !(o_found & DL_OPT_SB_TH)) { |
| pr_err("Threshold option expected.\n"); |
| return -EINVAL; |
| } |
| |
| if ((o_required & DL_OPT_SB_TC) && !(o_found & DL_OPT_SB_TC)) { |
| pr_err("TC index option expected.\n"); |
| return -EINVAL; |
| } |
| |
| if ((o_required & DL_OPT_ESWITCH_MODE) && |
| !(o_found & DL_OPT_ESWITCH_MODE)) { |
| pr_err("E-Switch mode option expected.\n"); |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl) |
| { |
| struct dl_opts *opts = &dl->opts; |
| |
| if (opts->present & DL_OPT_HANDLE) { |
| mnl_attr_put_strz(nlh, DEVLINK_ATTR_BUS_NAME, opts->bus_name); |
| mnl_attr_put_strz(nlh, DEVLINK_ATTR_DEV_NAME, opts->dev_name); |
| } else if (opts->present & DL_OPT_HANDLEP) { |
| 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_u32(nlh, DEVLINK_ATTR_PORT_INDEX, |
| opts->port_index); |
| } |
| if (opts->present & DL_OPT_PORT_TYPE) |
| mnl_attr_put_u16(nlh, DEVLINK_ATTR_PORT_TYPE, |
| opts->port_type); |
| if (opts->present & DL_OPT_PORT_COUNT) |
| mnl_attr_put_u32(nlh, DEVLINK_ATTR_PORT_SPLIT_COUNT, |
| opts->port_count); |
| if (opts->present & DL_OPT_SB) |
| mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_INDEX, |
| opts->sb_index); |
| if (opts->present & DL_OPT_SB_POOL) |
| mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_POOL_INDEX, |
| opts->sb_pool_index); |
| if (opts->present & DL_OPT_SB_SIZE) |
| mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_POOL_SIZE, |
| opts->sb_pool_size); |
| if (opts->present & DL_OPT_SB_TYPE) |
| mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_TYPE, |
| opts->sb_pool_type); |
| if (opts->present & DL_OPT_SB_THTYPE) |
| mnl_attr_put_u8(nlh, DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE, |
| opts->sb_pool_thtype); |
| if (opts->present & DL_OPT_SB_TH) |
| mnl_attr_put_u32(nlh, DEVLINK_ATTR_SB_THRESHOLD, |
| opts->sb_threshold); |
| if (opts->present & DL_OPT_SB_TC) |
| mnl_attr_put_u16(nlh, DEVLINK_ATTR_SB_TC_INDEX, |
| opts->sb_tc_index); |
| if (opts->present & DL_OPT_ESWITCH_MODE) |
| mnl_attr_put_u16(nlh, DEVLINK_ATTR_ESWITCH_MODE, |
| opts->eswitch_mode); |
| } |
| |
| static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl, |
| uint32_t o_required, uint32_t o_optional) |
| { |
| int err; |
| |
| err = dl_argv_parse(dl, o_required, o_optional); |
| if (err) |
| return err; |
| dl_opts_put(nlh, dl); |
| return 0; |
| } |
| |
| static bool dl_dump_filter(struct dl *dl, struct nlattr **tb) |
| { |
| struct dl_opts *opts = &dl->opts; |
| struct nlattr *attr_bus_name = tb[DEVLINK_ATTR_BUS_NAME]; |
| struct nlattr *attr_dev_name = tb[DEVLINK_ATTR_DEV_NAME]; |
| struct nlattr *attr_port_index = tb[DEVLINK_ATTR_PORT_INDEX]; |
| struct nlattr *attr_sb_index = tb[DEVLINK_ATTR_SB_INDEX]; |
| |
| if (opts->present & DL_OPT_HANDLE && |
| attr_bus_name && attr_dev_name) { |
| const char *bus_name = mnl_attr_get_str(attr_bus_name); |
| const char *dev_name = mnl_attr_get_str(attr_dev_name); |
| |
| if (strcmp(bus_name, opts->bus_name) != 0 || |
| strcmp(dev_name, opts->dev_name) != 0) |
| return false; |
| } |
| if (opts->present & DL_OPT_HANDLEP && |
| attr_bus_name && attr_dev_name && attr_port_index) { |
| const char *bus_name = mnl_attr_get_str(attr_bus_name); |
| const char *dev_name = mnl_attr_get_str(attr_dev_name); |
| uint32_t port_index = mnl_attr_get_u32(attr_port_index); |
| |
| if (strcmp(bus_name, opts->bus_name) != 0 || |
| strcmp(dev_name, opts->dev_name) != 0 || |
| port_index != opts->port_index) |
| return false; |
| } |
| if (opts->present & DL_OPT_SB && attr_sb_index) { |
| uint32_t sb_index = mnl_attr_get_u32(attr_sb_index); |
| |
| if (sb_index != opts->sb_index) |
| return false; |
| } |
| return true; |
| } |
| |
| static void cmd_dev_help(void) |
| { |
| pr_err("Usage: devlink dev show [ DEV ]\n"); |
| } |
| |
| static bool cmp_arr_last_handle(struct dl *dl, const char *bus_name, |
| const char *dev_name) |
| { |
| if (!dl->arr_last.present) |
| return false; |
| return strcmp(dl->arr_last.bus_name, bus_name) == 0 && |
| strcmp(dl->arr_last.dev_name, dev_name) == 0; |
| } |
| |
| static void arr_last_handle_set(struct dl *dl, const char *bus_name, |
| const char *dev_name) |
| { |
| dl->arr_last.present = true; |
| free(dl->arr_last.dev_name); |
| free(dl->arr_last.bus_name); |
| dl->arr_last.bus_name = strdup(bus_name); |
| dl->arr_last.dev_name = strdup(dev_name); |
| } |
| |
| static bool should_arr_last_handle_start(struct dl *dl, const char *bus_name, |
| const char *dev_name) |
| { |
| return !cmp_arr_last_handle(dl, bus_name, dev_name); |
| } |
| |
| static bool should_arr_last_handle_end(struct dl *dl, const char *bus_name, |
| const char *dev_name) |
| { |
| return dl->arr_last.present && |
| !cmp_arr_last_handle(dl, bus_name, dev_name); |
| } |
| |
| static void __pr_out_handle_start(struct dl *dl, struct nlattr **tb, |
| bool content, bool array) |
| { |
| 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]); |
| char buf[32]; |
| |
| sprintf(buf, "%s/%s", bus_name, dev_name); |
| |
| if (dl->json_output) { |
| if (array) { |
| if (should_arr_last_handle_end(dl, bus_name, dev_name)) |
| jsonw_end_array(dl->jw); |
| if (should_arr_last_handle_start(dl, bus_name, |
| dev_name)) { |
| jsonw_name(dl->jw, buf); |
| jsonw_start_array(dl->jw); |
| jsonw_start_object(dl->jw); |
| arr_last_handle_set(dl, bus_name, dev_name); |
| } else { |
| jsonw_start_object(dl->jw); |
| } |
| } else { |
| jsonw_name(dl->jw, buf); |
| jsonw_start_object(dl->jw); |
| } |
| } else { |
| pr_out("%s%s", buf, content ? ":" : ""); |
| } |
| } |
| |
| static void pr_out_handle_start_arr(struct dl *dl, struct nlattr **tb) |
| { |
| __pr_out_handle_start(dl, tb, true, true); |
| } |
| |
| static void pr_out_handle_end(struct dl *dl) |
| { |
| if (dl->json_output) |
| jsonw_end_object(dl->jw); |
| else |
| pr_out("\n"); |
| } |
| |
| static void pr_out_handle(struct dl *dl, struct nlattr **tb) |
| { |
| __pr_out_handle_start(dl, tb, false, false); |
| pr_out_handle_end(dl); |
| } |
| |
| static bool cmp_arr_last_port_handle(struct dl *dl, const char *bus_name, |
| const char *dev_name, uint32_t port_index) |
| { |
| return cmp_arr_last_handle(dl, bus_name, dev_name) && |
| dl->arr_last.port_index == port_index; |
| } |
| |
| static void arr_last_port_handle_set(struct dl *dl, const char *bus_name, |
| const char *dev_name, uint32_t port_index) |
| { |
| arr_last_handle_set(dl, bus_name, dev_name); |
| dl->arr_last.port_index = port_index; |
| } |
| |
| static bool should_arr_last_port_handle_start(struct dl *dl, |
| const char *bus_name, |
| const char *dev_name, |
| uint32_t port_index) |
| { |
| return !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index); |
| } |
| |
| static bool should_arr_last_port_handle_end(struct dl *dl, |
| const char *bus_name, |
| const char *dev_name, |
| uint32_t port_index) |
| { |
| return dl->arr_last.present && |
| !cmp_arr_last_port_handle(dl, bus_name, dev_name, port_index); |
| } |
| |
| static void __pr_out_port_handle_start(struct dl *dl, const char *bus_name, |
| const char *dev_name, |
| uint32_t port_index, bool try_nice, |
| bool array) |
| { |
| static char buf[32]; |
| char *ifname = NULL; |
| |
| if (dl->no_nice_names || !try_nice || |
| ifname_map_rev_lookup(dl, bus_name, dev_name, |
| port_index, &ifname) != 0) |
| sprintf(buf, "%s/%s/%d", bus_name, dev_name, port_index); |
| else |
| sprintf(buf, "%s", ifname); |
| |
| if (dl->json_output) { |
| if (array) { |
| if (should_arr_last_port_handle_end(dl, bus_name, |
| dev_name, |
| port_index)) |
| jsonw_end_array(dl->jw); |
| if (should_arr_last_port_handle_start(dl, bus_name, |
| dev_name, |
| port_index)) { |
| jsonw_name(dl->jw, buf); |
| jsonw_start_array(dl->jw); |
| jsonw_start_object(dl->jw); |
| arr_last_port_handle_set(dl, bus_name, dev_name, |
| port_index); |
| } else { |
| jsonw_start_object(dl->jw); |
| } |
| } else { |
| jsonw_name(dl->jw, buf); |
| jsonw_start_object(dl->jw); |
| } |
| } else { |
| pr_out("%s:", buf); |
| } |
| } |
| |
| static void pr_out_port_handle_start(struct dl *dl, struct nlattr **tb, bool try_nice) |
| { |
| const char *bus_name; |
| const char *dev_name; |
| uint32_t port_index; |
| |
| bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); |
| dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); |
| port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); |
| __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, false); |
| } |
| |
| static void pr_out_port_handle_start_arr(struct dl *dl, struct nlattr **tb, bool try_nice) |
| { |
| const char *bus_name; |
| const char *dev_name; |
| uint32_t port_index; |
| |
| bus_name = mnl_attr_get_str(tb[DEVLINK_ATTR_BUS_NAME]); |
| dev_name = mnl_attr_get_str(tb[DEVLINK_ATTR_DEV_NAME]); |
| port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); |
| __pr_out_port_handle_start(dl, bus_name, dev_name, port_index, try_nice, true); |
| } |
| |
| static void pr_out_port_handle_end(struct dl *dl) |
| { |
| if (dl->json_output) |
| jsonw_end_object(dl->jw); |
| else |
| pr_out("\n"); |
| } |
| |
| |
| static void pr_out_str(struct dl *dl, const char *name, const char *val) |
| { |
| if (dl->json_output) |
| jsonw_string_field(dl->jw, 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) |
| jsonw_uint_field(dl->jw, name, val); |
| else |
| pr_out(" %s %u", name, val); |
| } |
| |
| static void pr_out_dev(struct dl *dl, struct nlattr **tb) |
| { |
| pr_out_handle(dl, tb); |
| } |
| |
| static void pr_out_section_start(struct dl *dl, const char *name) |
| { |
| if (dl->json_output) { |
| jsonw_start_object(dl->jw); |
| jsonw_name(dl->jw, name); |
| jsonw_start_object(dl->jw); |
| } |
| } |
| |
| static void pr_out_section_end(struct dl *dl) |
| { |
| if (dl->json_output) { |
| if (dl->arr_last.present) |
| jsonw_end_array(dl->jw); |
| jsonw_end_object(dl->jw); |
| jsonw_end_object(dl->jw); |
| } |
| } |
| |
| static const char *eswitch_mode_name(uint32_t mode) |
| { |
| switch (mode) { |
| case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY; |
| case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV; |
| 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]))); |
| pr_out_handle_end(dl); |
| } |
| |
| static int cmd_dev_eswitch_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_eswitch(dl, tb); |
| return MNL_CB_OK; |
| } |
| |
| static int cmd_dev_eswitch_show(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_MODE_GET, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| 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_eswitch_show_cb, dl); |
| pr_out_section_end(dl); |
| return err; |
| } |
| |
| static int cmd_dev_eswitch_set(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_ESWITCH_MODE_SET, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_ESWITCH_MODE, 0); |
| if (err) |
| return err; |
| |
| return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); |
| } |
| |
| static int cmd_dev_eswitch(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "set")) { |
| dl_arg_inc(dl); |
| return cmd_dev_eswitch_set(dl); |
| } else if (dl_argv_match(dl, "show")) { |
| dl_arg_inc(dl); |
| return cmd_dev_eswitch_show(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 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); |
| } |
| 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"; |
| case DEVLINK_PORT_TYPE_IB: return "ib"; |
| default: return "<unknown type>"; |
| } |
| } |
| |
| static void pr_out_port(struct dl *dl, struct nlattr **tb) |
| { |
| struct nlattr *pt_attr = tb[DEVLINK_ATTR_PORT_TYPE]; |
| struct nlattr *dpt_attr = tb[DEVLINK_ATTR_PORT_DESIRED_TYPE]; |
| |
| pr_out_port_handle_start(dl, tb, false); |
| if (pt_attr) { |
| uint16_t port_type = mnl_attr_get_u16(pt_attr); |
| |
| pr_out_str(dl, "type", port_type_name(port_type)); |
| if (dpt_attr) { |
| uint16_t des_port_type = mnl_attr_get_u16(dpt_attr); |
| |
| if (port_type != des_port_type) |
| pr_out_str(dl, "des_type", |
| port_type_name(des_port_type)); |
| } |
| } |
| if (tb[DEVLINK_ATTR_PORT_NETDEV_NAME]) |
| pr_out_str(dl, "netdev", |
| mnl_attr_get_str(tb[DEVLINK_ATTR_PORT_NETDEV_NAME])); |
| 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_SPLIT_GROUP]) |
| pr_out_uint(dl, "split_group", |
| mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_SPLIT_GROUP])); |
| pr_out_port_handle_end(dl); |
| } |
| |
| static int cmd_port_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] || |
| !tb[DEVLINK_ATTR_PORT_INDEX]) |
| return MNL_CB_ERROR; |
| pr_out_port(dl, tb); |
| return MNL_CB_OK; |
| } |
| |
| static int cmd_port_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_PORT_GET, flags); |
| |
| if (dl_argc(dl) > 0) { |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0); |
| if (err) |
| return err; |
| } |
| |
| pr_out_section_start(dl, "port"); |
| err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_port_show_cb, dl); |
| pr_out_section_end(dl); |
| return err; |
| } |
| |
| static int cmd_port_set(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SET, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_TYPE, 0); |
| if (err) |
| return err; |
| |
| return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); |
| } |
| |
| static int cmd_port_split(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_SPLIT, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_PORT_COUNT, 0); |
| if (err) |
| return err; |
| |
| return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); |
| } |
| |
| static int cmd_port_unsplit(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_PORT_UNSPLIT, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP, 0); |
| if (err) |
| return err; |
| |
| return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); |
| } |
| |
| static int cmd_port(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "help")) { |
| cmd_port_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_port_show(dl); |
| } else if (dl_argv_match(dl, "set")) { |
| dl_arg_inc(dl); |
| return cmd_port_set(dl); |
| } else if (dl_argv_match(dl, "split")) { |
| dl_arg_inc(dl); |
| return cmd_port_split(dl); |
| } else if (dl_argv_match(dl, "unsplit")) { |
| dl_arg_inc(dl); |
| return cmd_port_unsplit(dl); |
| } |
| pr_err("Command \"%s\" not found\n", dl_argv(dl)); |
| return -ENOENT; |
| } |
| |
| static void cmd_sb_help(void) |
| { |
| pr_err("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n"); |
| pr_err(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n"); |
| pr_err(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n"); |
| pr_err(" size POOL_SIZE thtype { static | dynamic }\n"); |
| pr_err(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n"); |
| pr_err(" pool POOL_INDEX ]\n"); |
| pr_err(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n"); |
| pr_err(" pool POOL_INDEX th THRESHOLD\n"); |
| pr_err(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n"); |
| pr_err(" type { ingress | egress } ]\n"); |
| pr_err(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n"); |
| pr_err(" type { ingress | egress } pool POOL_INDEX\n"); |
| pr_err(" th THRESHOLD\n"); |
| pr_err(" devlink sb occupancy show { DEV | DEV/PORT_INDEX } [ sb SB_INDEX ]\n"); |
| pr_err(" devlink sb occupancy snapshot DEV [ sb SB_INDEX ]\n"); |
| pr_err(" devlink sb occupancy clearmax DEV [ sb SB_INDEX ]\n"); |
| } |
| |
| static void pr_out_sb(struct dl *dl, struct nlattr **tb) |
| { |
| pr_out_handle_start_arr(dl, tb); |
| pr_out_uint(dl, "sb", |
| mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); |
| pr_out_uint(dl, "size", |
| mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE])); |
| pr_out_uint(dl, "ing_pools", |
| mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT])); |
| pr_out_uint(dl, "eg_pools", |
| mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT])); |
| pr_out_uint(dl, "ing_tcs", |
| mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT])); |
| pr_out_uint(dl, "eg_tcs", |
| mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT])); |
| pr_out_handle_end(dl); |
| } |
| |
| static int cmd_sb_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] || |
| !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_SIZE] || |
| !tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT] || |
| !tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT] || |
| !tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT] || |
| !tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]) |
| return MNL_CB_ERROR; |
| pr_out_sb(dl, tb); |
| return MNL_CB_OK; |
| } |
| |
| static int cmd_sb_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_SB_GET, flags); |
| |
| if (dl_argc(dl) > 0) { |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB); |
| if (err) |
| return err; |
| } |
| |
| pr_out_section_start(dl, "sb"); |
| err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_show_cb, dl); |
| pr_out_section_end(dl); |
| return err; |
| } |
| |
| static const char *pool_type_name(uint8_t type) |
| { |
| switch (type) { |
| case DEVLINK_SB_POOL_TYPE_INGRESS: return "ingress"; |
| case DEVLINK_SB_POOL_TYPE_EGRESS: return "egress"; |
| default: return "<unknown type>"; |
| } |
| } |
| |
| static const char *threshold_type_name(uint8_t type) |
| { |
| switch (type) { |
| case DEVLINK_SB_THRESHOLD_TYPE_STATIC: return "static"; |
| case DEVLINK_SB_THRESHOLD_TYPE_DYNAMIC: return "dynamic"; |
| default: return "<unknown type>"; |
| } |
| } |
| |
| static void pr_out_sb_pool(struct dl *dl, struct nlattr **tb) |
| { |
| pr_out_handle_start_arr(dl, tb); |
| pr_out_uint(dl, "sb", |
| mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); |
| pr_out_uint(dl, "pool", |
| mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX])); |
| pr_out_str(dl, "type", |
| pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]))); |
| pr_out_uint(dl, "size", |
| mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE])); |
| pr_out_str(dl, "thtype", |
| threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE]))); |
| pr_out_handle_end(dl); |
| } |
| |
| static int cmd_sb_pool_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] || |
| !tb[DEVLINK_ATTR_SB_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_INDEX] || |
| !tb[DEVLINK_ATTR_SB_POOL_TYPE] || !tb[DEVLINK_ATTR_SB_POOL_SIZE] || |
| !tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE]) |
| return MNL_CB_ERROR; |
| pr_out_sb_pool(dl, tb); |
| return MNL_CB_OK; |
| } |
| |
| static int cmd_sb_pool_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_SB_POOL_GET, flags); |
| |
| if (dl_argc(dl) > 0) { |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL, |
| DL_OPT_SB); |
| if (err) |
| return err; |
| } |
| |
| pr_out_section_start(dl, "pool"); |
| err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_pool_show_cb, dl); |
| pr_out_section_end(dl); |
| return err; |
| } |
| |
| static int cmd_sb_pool_set(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_POOL_SET, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_SB_POOL | |
| DL_OPT_SB_SIZE | DL_OPT_SB_THTYPE, DL_OPT_SB); |
| if (err) |
| return err; |
| |
| return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); |
| } |
| |
| static int cmd_sb_pool(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "help")) { |
| cmd_sb_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_sb_pool_show(dl); |
| } else if (dl_argv_match(dl, "set")) { |
| dl_arg_inc(dl); |
| return cmd_sb_pool_set(dl); |
| } |
| pr_err("Command \"%s\" not found\n", dl_argv(dl)); |
| return -ENOENT; |
| } |
| |
| static void pr_out_sb_port_pool(struct dl *dl, struct nlattr **tb) |
| { |
| pr_out_port_handle_start_arr(dl, tb, true); |
| pr_out_uint(dl, "sb", |
| mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); |
| pr_out_uint(dl, "pool", |
| mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX])); |
| pr_out_uint(dl, "threshold", |
| mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD])); |
| pr_out_port_handle_end(dl); |
| } |
| |
| static int cmd_sb_port_pool_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] || |
| !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || |
| !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD]) |
| return MNL_CB_ERROR; |
| pr_out_sb_port_pool(dl, tb); |
| return MNL_CB_OK; |
| } |
| |
| static int cmd_sb_port_pool_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_SB_PORT_POOL_GET, flags); |
| |
| if (dl_argc(dl) > 0) { |
| err = dl_argv_parse_put(nlh, dl, |
| DL_OPT_HANDLEP | DL_OPT_SB_POOL, |
| DL_OPT_SB); |
| if (err) |
| return err; |
| } |
| |
| pr_out_section_start(dl, "port_pool"); |
| err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl); |
| pr_out_section_end(dl); |
| return 0; |
| } |
| |
| static int cmd_sb_port_pool_set(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_SET, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_POOL | |
| DL_OPT_SB_TH, DL_OPT_SB); |
| if (err) |
| return err; |
| |
| return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); |
| } |
| |
| static int cmd_sb_port_pool(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "help")) { |
| cmd_sb_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_sb_port_pool_show(dl); |
| } else if (dl_argv_match(dl, "set")) { |
| dl_arg_inc(dl); |
| return cmd_sb_port_pool_set(dl); |
| } |
| pr_err("Command \"%s\" not found\n", dl_argv(dl)); |
| return -ENOENT; |
| } |
| |
| static int cmd_sb_port(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { |
| cmd_sb_help(); |
| return 0; |
| } else if (dl_argv_match(dl, "pool")) { |
| dl_arg_inc(dl); |
| return cmd_sb_port_pool(dl); |
| } |
| pr_err("Command \"%s\" not found\n", dl_argv(dl)); |
| return -ENOENT; |
| } |
| |
| static void pr_out_sb_tc_bind(struct dl *dl, struct nlattr **tb) |
| { |
| pr_out_port_handle_start_arr(dl, tb, true); |
| pr_out_uint(dl, "sb", |
| mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX])); |
| pr_out_uint(dl, "tc", |
| mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX])); |
| pr_out_str(dl, "type", |
| pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]))); |
| pr_out_uint(dl, "pool", |
| mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX])); |
| pr_out_uint(dl, "threshold", |
| mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD])); |
| pr_out_port_handle_end(dl); |
| } |
| |
| static int cmd_sb_tc_bind_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] || |
| !tb[DEVLINK_ATTR_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || |
| !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] || |
| !tb[DEVLINK_ATTR_SB_POOL_INDEX] || !tb[DEVLINK_ATTR_SB_THRESHOLD]) |
| return MNL_CB_ERROR; |
| pr_out_sb_tc_bind(dl, tb); |
| return MNL_CB_OK; |
| } |
| |
| static int cmd_sb_tc_bind_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_SB_TC_POOL_BIND_GET, flags); |
| |
| if (dl_argc(dl) > 0) { |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC | |
| DL_OPT_SB_TYPE, DL_OPT_SB); |
| if (err) |
| return err; |
| } |
| |
| pr_out_section_start(dl, "tc_bind"); |
| err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl); |
| pr_out_section_end(dl); |
| return err; |
| } |
| |
| static int cmd_sb_tc_bind_set(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_SET, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLEP | DL_OPT_SB_TC | |
| DL_OPT_SB_TYPE | DL_OPT_SB_POOL | DL_OPT_SB_TH, |
| DL_OPT_SB); |
| if (err) |
| return err; |
| |
| return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); |
| } |
| |
| static int cmd_sb_tc_bind(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "help")) { |
| cmd_sb_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_sb_tc_bind_show(dl); |
| } else if (dl_argv_match(dl, "set")) { |
| dl_arg_inc(dl); |
| return cmd_sb_tc_bind_set(dl); |
| } |
| pr_err("Command \"%s\" not found\n", dl_argv(dl)); |
| return -ENOENT; |
| } |
| |
| static int cmd_sb_tc(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { |
| cmd_sb_help(); |
| return 0; |
| } else if (dl_argv_match(dl, "bind")) { |
| dl_arg_inc(dl); |
| return cmd_sb_tc_bind(dl); |
| } |
| pr_err("Command \"%s\" not found\n", dl_argv(dl)); |
| return -ENOENT; |
| } |
| |
| struct occ_item { |
| struct list_head list; |
| uint32_t index; |
| uint32_t cur; |
| uint32_t max; |
| uint32_t bound_pool_index; |
| }; |
| |
| struct occ_port { |
| struct list_head list; |
| char *bus_name; |
| char *dev_name; |
| uint32_t port_index; |
| uint32_t sb_index; |
| struct list_head pool_list; |
| struct list_head ing_tc_list; |
| struct list_head eg_tc_list; |
| }; |
| |
| struct occ_show { |
| struct dl *dl; |
| int err; |
| struct list_head port_list; |
| }; |
| |
| static struct occ_item *occ_item_alloc(void) |
| { |
| return calloc(1, sizeof(struct occ_item)); |
| } |
| |
| static void occ_item_free(struct occ_item *occ_item) |
| { |
| free(occ_item); |
| } |
| |
| static struct occ_port *occ_port_alloc(uint32_t port_index) |
| { |
| struct occ_port *occ_port; |
| |
| occ_port = calloc(1, sizeof(*occ_port)); |
| if (!occ_port) |
| return NULL; |
| occ_port->port_index = port_index; |
| INIT_LIST_HEAD(&occ_port->pool_list); |
| INIT_LIST_HEAD(&occ_port->ing_tc_list); |
| INIT_LIST_HEAD(&occ_port->eg_tc_list); |
| return occ_port; |
| } |
| |
| static void occ_port_free(struct occ_port *occ_port) |
| { |
| struct occ_item *occ_item, *tmp; |
| |
| list_for_each_entry_safe(occ_item, tmp, &occ_port->pool_list, list) |
| occ_item_free(occ_item); |
| list_for_each_entry_safe(occ_item, tmp, &occ_port->ing_tc_list, list) |
| occ_item_free(occ_item); |
| list_for_each_entry_safe(occ_item, tmp, &occ_port->eg_tc_list, list) |
| occ_item_free(occ_item); |
| } |
| |
| static struct occ_show *occ_show_alloc(struct dl *dl) |
| { |
| struct occ_show *occ_show; |
| |
| occ_show = calloc(1, sizeof(*occ_show)); |
| if (!occ_show) |
| return NULL; |
| occ_show->dl = dl; |
| INIT_LIST_HEAD(&occ_show->port_list); |
| return occ_show; |
| } |
| |
| static void occ_show_free(struct occ_show *occ_show) |
| { |
| struct occ_port *occ_port, *tmp; |
| |
| list_for_each_entry_safe(occ_port, tmp, &occ_show->port_list, list) |
| occ_port_free(occ_port); |
| } |
| |
| static struct occ_port *occ_port_get(struct occ_show *occ_show, |
| struct nlattr **tb) |
| { |
| struct occ_port *occ_port; |
| uint32_t port_index; |
| |
| port_index = mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]); |
| |
| list_for_each_entry_reverse(occ_port, &occ_show->port_list, list) { |
| if (occ_port->port_index == port_index) |
| return occ_port; |
| } |
| occ_port = occ_port_alloc(port_index); |
| if (!occ_port) |
| return NULL; |
| list_add_tail(&occ_port->list, &occ_show->port_list); |
| return occ_port; |
| } |
| |
| static void pr_out_occ_show_item_list(const char *label, struct list_head *list, |
| bool bound_pool) |
| { |
| struct occ_item *occ_item; |
| int i = 1; |
| |
| pr_out_sp(7, " %s:", label); |
| list_for_each_entry(occ_item, list, list) { |
| if ((i - 1) % 4 == 0 && i != 1) |
| pr_out_sp(7, " "); |
| if (bound_pool) |
| pr_out_sp(7, "%2u(%u):", occ_item->index, |
| occ_item->bound_pool_index); |
| else |
| pr_out_sp(7, "%2u:", occ_item->index); |
| pr_out_sp(15, "%7u/%u", occ_item->cur, occ_item->max); |
| if (i++ % 4 == 0) |
| pr_out("\n"); |
| } |
| if ((i - 1) % 4 != 0) |
| pr_out("\n"); |
| } |
| |
| static void pr_out_json_occ_show_item_list(struct dl *dl, const char *label, |
| struct list_head *list, |
| bool bound_pool) |
| { |
| struct occ_item *occ_item; |
| char buf[32]; |
| |
| jsonw_name(dl->jw, label); |
| jsonw_start_object(dl->jw); |
| list_for_each_entry(occ_item, list, list) { |
| sprintf(buf, "%u", occ_item->index); |
| jsonw_name(dl->jw, buf); |
| jsonw_start_object(dl->jw); |
| if (bound_pool) |
| jsonw_uint_field(dl->jw, "bound_pool", |
| occ_item->bound_pool_index); |
| jsonw_uint_field(dl->jw, "current", occ_item->cur); |
| jsonw_uint_field(dl->jw, "max", occ_item->max); |
| jsonw_end_object(dl->jw); |
| } |
| jsonw_end_object(dl->jw); |
| } |
| |
| static void pr_out_occ_show_port(struct dl *dl, struct occ_port *occ_port) |
| { |
| if (dl->json_output) { |
| pr_out_json_occ_show_item_list(dl, "pool", |
| &occ_port->pool_list, false); |
| pr_out_json_occ_show_item_list(dl, "itc", |
| &occ_port->ing_tc_list, true); |
| pr_out_json_occ_show_item_list(dl, "etc", |
| &occ_port->eg_tc_list, true); |
| } else { |
| pr_out("\n"); |
| pr_out_occ_show_item_list("pool", &occ_port->pool_list, false); |
| pr_out_occ_show_item_list("itc", &occ_port->ing_tc_list, true); |
| pr_out_occ_show_item_list("etc", &occ_port->eg_tc_list, true); |
| } |
| } |
| |
| static void pr_out_occ_show(struct occ_show *occ_show) |
| { |
| struct dl *dl = occ_show->dl; |
| struct dl_opts *opts = &dl->opts; |
| struct occ_port *occ_port; |
| |
| list_for_each_entry(occ_port, &occ_show->port_list, list) { |
| __pr_out_port_handle_start(dl, opts->bus_name, opts->dev_name, |
| occ_port->port_index, true, false); |
| pr_out_occ_show_port(dl, occ_port); |
| pr_out_port_handle_end(dl); |
| } |
| } |
| |
| static void cmd_sb_occ_port_pool_process(struct occ_show *occ_show, |
| struct nlattr **tb) |
| { |
| struct occ_port *occ_port; |
| struct occ_item *occ_item; |
| |
| if (occ_show->err || !dl_dump_filter(occ_show->dl, tb)) |
| return; |
| |
| occ_port = occ_port_get(occ_show, tb); |
| if (!occ_port) { |
| occ_show->err = -ENOMEM; |
| return; |
| } |
| |
| occ_item = occ_item_alloc(); |
| if (!occ_item) { |
| occ_show->err = -ENOMEM; |
| return; |
| } |
| occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]); |
| occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]); |
| occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]); |
| list_add_tail(&occ_item->list, &occ_port->pool_list); |
| } |
| |
| static int cmd_sb_occ_port_pool_process_cb(const struct nlmsghdr *nlh, void *data) |
| { |
| struct occ_show *occ_show = 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_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || |
| !tb[DEVLINK_ATTR_SB_POOL_INDEX] || |
| !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX]) |
| return MNL_CB_ERROR; |
| cmd_sb_occ_port_pool_process(occ_show, tb); |
| return MNL_CB_OK; |
| } |
| |
| static void cmd_sb_occ_tc_pool_process(struct occ_show *occ_show, |
| struct nlattr **tb) |
| { |
| struct occ_port *occ_port; |
| struct occ_item *occ_item; |
| uint8_t pool_type; |
| |
| if (occ_show->err || !dl_dump_filter(occ_show->dl, tb)) |
| return; |
| |
| occ_port = occ_port_get(occ_show, tb); |
| if (!occ_port) { |
| occ_show->err = -ENOMEM; |
| return; |
| } |
| |
| occ_item = occ_item_alloc(); |
| if (!occ_item) { |
| occ_show->err = -ENOMEM; |
| return; |
| } |
| occ_item->index = mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]); |
| occ_item->cur = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_CUR]); |
| occ_item->max = mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_OCC_MAX]); |
| occ_item->bound_pool_index = |
| mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]); |
| pool_type = mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE]); |
| if (pool_type == DEVLINK_SB_POOL_TYPE_INGRESS) |
| list_add_tail(&occ_item->list, &occ_port->ing_tc_list); |
| else if (pool_type == DEVLINK_SB_POOL_TYPE_EGRESS) |
| list_add_tail(&occ_item->list, &occ_port->eg_tc_list); |
| else |
| occ_item_free(occ_item); |
| } |
| |
| static int cmd_sb_occ_tc_pool_process_cb(const struct nlmsghdr *nlh, void *data) |
| { |
| struct occ_show *occ_show = 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_PORT_INDEX] || !tb[DEVLINK_ATTR_SB_INDEX] || |
| !tb[DEVLINK_ATTR_SB_TC_INDEX] || !tb[DEVLINK_ATTR_SB_POOL_TYPE] || |
| !tb[DEVLINK_ATTR_SB_POOL_INDEX] || |
| !tb[DEVLINK_ATTR_SB_OCC_CUR] || !tb[DEVLINK_ATTR_SB_OCC_MAX]) |
| return MNL_CB_ERROR; |
| cmd_sb_occ_tc_pool_process(occ_show, tb); |
| return MNL_CB_OK; |
| } |
| |
| static int cmd_sb_occ_show(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| struct occ_show *occ_show; |
| uint16_t flags = NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP; |
| int err; |
| |
| err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_HANDLEP, DL_OPT_SB); |
| if (err) |
| return err; |
| |
| occ_show = occ_show_alloc(dl); |
| if (!occ_show) |
| return -ENOMEM; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_PORT_POOL_GET, flags); |
| |
| err = _mnlg_socket_sndrcv(dl->nlg, nlh, |
| cmd_sb_occ_port_pool_process_cb, occ_show); |
| if (err) |
| goto out; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_TC_POOL_BIND_GET, flags); |
| |
| err = _mnlg_socket_sndrcv(dl->nlg, nlh, |
| cmd_sb_occ_tc_pool_process_cb, occ_show); |
| if (err) |
| goto out; |
| |
| pr_out_section_start(dl, "occupancy"); |
| pr_out_occ_show(occ_show); |
| pr_out_section_end(dl); |
| |
| out: |
| occ_show_free(occ_show); |
| return err; |
| } |
| |
| static int cmd_sb_occ_snapshot(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_SNAPSHOT, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB); |
| if (err) |
| return err; |
| |
| return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); |
| } |
| |
| static int cmd_sb_occ_clearmax(struct dl *dl) |
| { |
| struct nlmsghdr *nlh; |
| int err; |
| |
| nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_SB_OCC_MAX_CLEAR, |
| NLM_F_REQUEST | NLM_F_ACK); |
| |
| err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE, DL_OPT_SB); |
| if (err) |
| return err; |
| |
| return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL); |
| } |
| |
| static int cmd_sb_occ(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "help") || dl_no_arg(dl)) { |
| cmd_sb_help(); |
| return 0; |
| } else if (dl_argv_match(dl, "show") || |
| dl_argv_match(dl, "list")) { |
| dl_arg_inc(dl); |
| return cmd_sb_occ_show(dl); |
| } else if (dl_argv_match(dl, "snapshot")) { |
| dl_arg_inc(dl); |
| return cmd_sb_occ_snapshot(dl); |
| } else if (dl_argv_match(dl, "clearmax")) { |
| dl_arg_inc(dl); |
| return cmd_sb_occ_clearmax(dl); |
| } |
| pr_err("Command \"%s\" not found\n", dl_argv(dl)); |
| return -ENOENT; |
| } |
| |
| static int cmd_sb(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "help")) { |
| cmd_sb_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_sb_show(dl); |
| } else if (dl_argv_match(dl, "pool")) { |
| dl_arg_inc(dl); |
| return cmd_sb_pool(dl); |
| } else if (dl_argv_match(dl, "port")) { |
| dl_arg_inc(dl); |
| return cmd_sb_port(dl); |
| } else if (dl_argv_match(dl, "tc")) { |
| dl_arg_inc(dl); |
| return cmd_sb_tc(dl); |
| } else if (dl_argv_match(dl, "occupancy")) { |
| dl_arg_inc(dl); |
| return cmd_sb_occ(dl); |
| } |
| pr_err("Command \"%s\" not found\n", dl_argv(dl)); |
| return -ENOENT; |
| } |
| |
| static const char *cmd_name(uint8_t cmd) |
| { |
| switch (cmd) { |
| case DEVLINK_CMD_UNSPEC: return "unspec"; |
| case DEVLINK_CMD_GET: return "get"; |
| case DEVLINK_CMD_SET: return "set"; |
| case DEVLINK_CMD_NEW: return "new"; |
| 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_DEL: return "del"; |
| default: return "<unknown cmd>"; |
| } |
| } |
| |
| static const char *cmd_obj(uint8_t cmd) |
| { |
| switch (cmd) { |
| case DEVLINK_CMD_UNSPEC: return "unspec"; |
| case DEVLINK_CMD_GET: |
| case DEVLINK_CMD_SET: |
| case DEVLINK_CMD_NEW: |
| case DEVLINK_CMD_DEL: |
| return "dev"; |
| case DEVLINK_CMD_PORT_GET: |
| case DEVLINK_CMD_PORT_SET: |
| case DEVLINK_CMD_PORT_NEW: |
| case DEVLINK_CMD_PORT_DEL: |
| return "port"; |
| default: return "<unknown obj>"; |
| } |
| } |
| |
| static void pr_out_mon_header(uint8_t cmd) |
| { |
| pr_out("[%s,%s] ", cmd_obj(cmd), cmd_name(cmd)); |
| } |
| |
| static bool cmd_filter_check(struct dl *dl, uint8_t cmd) |
| { |
| const char *obj = cmd_obj(cmd); |
| unsigned int index = 0; |
| const char *cur_obj; |
| |
| if (dl_no_arg(dl)) |
| return true; |
| while ((cur_obj = dl_argv_index(dl, index++))) { |
| if (strcmp(cur_obj, obj) == 0 || strcmp(cur_obj, "all") == 0) |
| return true; |
| } |
| return false; |
| } |
| |
| static int cmd_mon_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); |
| uint8_t cmd = genl->cmd; |
| |
| if (!cmd_filter_check(dl, cmd)) |
| return MNL_CB_OK; |
| |
| switch (cmd) { |
| case DEVLINK_CMD_GET: /* fall through */ |
| case DEVLINK_CMD_SET: /* fall through */ |
| case DEVLINK_CMD_NEW: /* fall through */ |
| case DEVLINK_CMD_DEL: |
| 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_mon_header(genl->cmd); |
| pr_out_dev(dl, tb); |
| break; |
| case DEVLINK_CMD_PORT_GET: /* fall through */ |
| case DEVLINK_CMD_PORT_SET: /* fall through */ |
| case DEVLINK_CMD_PORT_NEW: /* fall through */ |
| case DEVLINK_CMD_PORT_DEL: |
| mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb); |
| if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] || |
| !tb[DEVLINK_ATTR_PORT_INDEX]) |
| return MNL_CB_ERROR; |
| pr_out_mon_header(genl->cmd); |
| pr_out_port(dl, tb); |
| break; |
| } |
| return MNL_CB_OK; |
| } |
| |
| static int cmd_mon_show(struct dl *dl) |
| { |
| int err; |
| unsigned int index = 0; |
| const char *cur_obj; |
| |
| while ((cur_obj = dl_argv_index(dl, index++))) { |
| if (strcmp(cur_obj, "all") != 0 && |
| strcmp(cur_obj, "dev") != 0 && |
| strcmp(cur_obj, "port") != 0) { |
| pr_err("Unknown object \"%s\"\n", cur_obj); |
| return -EINVAL; |
| } |
| } |
| err = _mnlg_socket_group_add(dl->nlg, DEVLINK_GENL_MCGRP_CONFIG_NAME); |
| if (err) |
| return err; |
| err = _mnlg_socket_recv_run(dl->nlg, cmd_mon_show_cb, dl); |
| if (err) |
| return err; |
| return 0; |
| } |
| |
| static void cmd_mon_help(void) |
| { |
| pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n" |
| "where OBJECT-LIST := { dev | port }\n"); |
| } |
| |
| static int cmd_mon(struct dl *dl) |
| { |
| if (dl_argv_match(dl, "help")) { |
| cmd_mon_help(); |
| return 0; |
| } else if (dl_no_arg(dl)) { |
| dl_arg_inc(dl); |
| return cmd_mon_show(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 }\n" |
| " OPTIONS := { -V[ersion] | -n[no-nice-names] }\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); |
| } |
| 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' }, |
| { NULL, 0, NULL, 0 } |
| }; |
| struct dl *dl; |
| int opt; |
| int err; |
| int ret; |
| |
| dl = dl_alloc(); |
| if (!dl) { |
| pr_err("Failed to allocate memory for devlink\n"); |
| return EXIT_FAILURE; |
| } |
| |
| while ((opt = getopt_long(argc, argv, "Vnjp", |
| long_options, NULL)) >= 0) { |
| |
| switch (opt) { |
| case 'V': |
| printf("devlink utility, iproute2-ss%s\n", SNAPSHOT); |
| return EXIT_SUCCESS; |
| case 'n': |
| dl->no_nice_names = true; |
| break; |
| case 'j': |
| dl->json_output = true; |
| break; |
| case 'p': |
| dl->pretty_output = true; |
| break; |
| default: |
| pr_err("Unknown option.\n"); |
| help(); |
| return EXIT_FAILURE; |
| } |
| } |
| |
| argc -= optind; |
| argv += optind; |
| |
| err = dl_init(dl, argc, argv); |
| if (err) { |
| ret = EXIT_FAILURE; |
| goto dl_free; |
| } |
| |
| err = dl_cmd(dl); |
| if (err) { |
| ret = EXIT_FAILURE; |
| goto dl_fini; |
| } |
| |
| ret = EXIT_SUCCESS; |
| |
| dl_fini: |
| dl_fini(dl); |
| dl_free: |
| dl_free(dl); |
| |
| return ret; |
| } |