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Date: Wed, 13 Jan 2021 14:39:58 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, kuba@...nel.org, jacob.e.keller@...el.com,
roopa@...dia.com, mlxsw@...dia.com
Subject: [patch iproute2/net-next RFC] devlink: add support for linecard show and provision
From: Jiri Pirko <jiri@...dia.com>
Signed-off-by: Jiri Pirko <jiri@...dia.com>
---
devlink/devlink.c | 218 +++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 214 insertions(+), 4 deletions(-)
diff --git a/devlink/devlink.c b/devlink/devlink.c
index a2e066441e8a..960f1078591e 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -306,6 +306,8 @@ static void ifname_map_free(struct ifname_map *ifname_map)
#define DL_OPT_FLASH_OVERWRITE BIT(39)
#define DL_OPT_RELOAD_ACTION BIT(40)
#define DL_OPT_RELOAD_LIMIT BIT(41)
+#define DL_OPT_LINECARD BIT(42)
+#define DL_OPT_LINECARD_TYPE BIT(43)
struct dl_opts {
uint64_t present; /* flags of present items */
@@ -356,6 +358,8 @@ struct dl_opts {
uint32_t overwrite_mask;
enum devlink_reload_action reload_action;
enum devlink_reload_limit reload_limit;
+ uint32_t linecard_index;
+ const char *linecard_type;
};
struct dl {
@@ -1414,6 +1418,8 @@ static const struct dl_args_metadata dl_args_required[] = {
{DL_OPT_TRAP_NAME, "Trap's name is expected."},
{DL_OPT_TRAP_GROUP_NAME, "Trap group's name is expected."},
{DL_OPT_PORT_FUNCTION_HW_ADDR, "Port function's hardware address is expected."},
+ {DL_OPT_LINECARD, "Linecard index expected."},
+ {DL_OPT_LINECARD_TYPE, "Linecard type expected."},
};
static int dl_args_finding_required_validate(uint64_t o_required,
@@ -1832,7 +1838,20 @@ static int dl_argv_parse(struct dl *dl, uint64_t o_required,
if (err)
return err;
o_found |= DL_OPT_PORT_FUNCTION_HW_ADDR;
-
+ } else if (dl_argv_match(dl, "lc") &&
+ (o_all & DL_OPT_LINECARD)) {
+ dl_arg_inc(dl);
+ err = dl_argv_uint32_t(dl, &opts->linecard_index);
+ if (err)
+ return err;
+ o_found |= DL_OPT_LINECARD;
+ } else if (dl_argv_match(dl, "type") &&
+ (o_all & DL_OPT_LINECARD_TYPE)) {
+ dl_arg_inc(dl);
+ err = dl_argv_str(dl, &opts->linecard_type);
+ if (err)
+ return err;
+ o_found |= DL_OPT_LINECARD_TYPE;
} else {
pr_err("Unknown option \"%s\"\n", dl_argv(dl));
return -EINVAL;
@@ -2015,6 +2034,12 @@ static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)
opts->trap_policer_burst);
if (opts->present & DL_OPT_PORT_FUNCTION_HW_ADDR)
dl_function_attr_put(nlh, opts);
+ if (opts->present & DL_OPT_LINECARD)
+ mnl_attr_put_u32(nlh, DEVLINK_ATTR_LINECARD_INDEX,
+ opts->linecard_index);
+ if (opts->present & DL_OPT_LINECARD_TYPE)
+ mnl_attr_put_strz(nlh, DEVLINK_ATTR_LINECARD_TYPE,
+ opts->linecard_type);
}
static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
@@ -2036,6 +2061,7 @@ static bool dl_dump_filter(struct dl *dl, struct nlattr **tb)
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];
+ struct nlattr *attr_linecard_index = tb[DEVLINK_ATTR_LINECARD_INDEX];
if (opts->present & DL_OPT_HANDLE &&
attr_bus_name && attr_dev_name) {
@@ -2063,6 +2089,12 @@ static bool dl_dump_filter(struct dl *dl, struct nlattr **tb)
if (sb_index != opts->sb_index)
return false;
}
+ if (opts->present & DL_OPT_LINECARD && attr_linecard_index) {
+ uint32_t linecard_index = mnl_attr_get_u32(attr_linecard_index);
+
+ if (linecard_index != opts->linecard_index)
+ return false;
+ }
return true;
}
@@ -3833,6 +3865,9 @@ static void pr_out_port(struct dl *dl, struct nlattr **tb)
break;
}
}
+ if (tb[DEVLINK_ATTR_LINECARD_INDEX])
+ print_uint(PRINT_ANY, "lc", " lc %u",
+ mnl_attr_get_u32(tb[DEVLINK_ATTR_LINECARD_INDEX]));
if (tb[DEVLINK_ATTR_PORT_NUMBER]) {
uint32_t port_number;
@@ -4005,6 +4040,156 @@ static int cmd_port(struct dl *dl)
return -ENOENT;
}
+static void cmd_linecard_help(void)
+{
+ pr_err("Usage: devlink lc show [ DEV [ lc LC_INDEX ] ]\n");
+ pr_err(" devlink lc provision DEV lc LC_INDEX type LC_TYPE\n");
+ pr_err(" devlink lc unprovision DEV lc LC_INDEX\n");
+}
+
+static const char *linecard_state_name(uint16_t flavour)
+{
+ switch (flavour) {
+ case DEVLINK_LINECARD_STATE_UNPROVISIONED:
+ return "unprovisioned";
+ case DEVLINK_LINECARD_STATE_UNPROVISIONING:
+ return "unprovisioning";
+ case DEVLINK_LINECARD_STATE_PROVISIONING:
+ return "provisioning";
+ case DEVLINK_LINECARD_STATE_PROVISIONED:
+ return "provisioned";
+ case DEVLINK_LINECARD_STATE_ACTIVE:
+ return "active";
+ default:
+ return "<unknown state>";
+ }
+}
+
+static void pr_out_linecard_supported_types(struct dl *dl, struct nlattr **tb)
+{
+ struct nlattr *nla_types = tb[DEVLINK_ATTR_LINECARD_SUPPORTED_TYPES];
+ struct nlattr *nla_type;
+
+ if (!nla_types)
+ return;
+
+ pr_out_array_start(dl, "supported_types");
+ check_indent_newline(dl);
+ mnl_attr_for_each_nested(nla_type, nla_types) {
+ print_string(PRINT_ANY, NULL, " %s",
+ mnl_attr_get_str(nla_type));
+ }
+ pr_out_array_end(dl);
+}
+
+static void pr_out_linecard(struct dl *dl, struct nlattr **tb)
+{
+ uint8_t state;
+
+ pr_out_handle_start_arr(dl, tb);
+ check_indent_newline(dl);
+ print_uint(PRINT_ANY, "lc", "lc %u",
+ mnl_attr_get_u32(tb[DEVLINK_ATTR_LINECARD_INDEX]));
+ state = mnl_attr_get_u8(tb[DEVLINK_ATTR_LINECARD_STATE]);
+ print_string(PRINT_ANY, "state", " state %s",
+ linecard_state_name(state));
+ if (tb[DEVLINK_ATTR_LINECARD_TYPE])
+ print_string(PRINT_ANY, "type", " type %s",
+ mnl_attr_get_str(tb[DEVLINK_ATTR_LINECARD_TYPE]));
+ pr_out_linecard_supported_types(dl, tb);
+ pr_out_handle_end(dl);
+}
+
+static int cmd_linecard_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_LINECARD_INDEX] ||
+ !tb[DEVLINK_ATTR_LINECARD_STATE])
+ return MNL_CB_ERROR;
+ pr_out_linecard(dl, tb);
+ return MNL_CB_OK;
+}
+
+static int cmd_linecard_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_LINECARD_GET, flags);
+
+ if (dl_argc(dl) > 0) {
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE,
+ DL_OPT_LINECARD);
+ if (err)
+ return err;
+ }
+
+ pr_out_section_start(dl, "lc");
+ err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_linecard_show_cb, dl);
+ pr_out_section_end(dl);
+ return err;
+}
+
+static int cmd_linecard_provision(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ int err;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_LINECARD_PROVISION,
+ NLM_F_REQUEST | NLM_F_ACK);
+
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_LINECARD |
+ DL_OPT_LINECARD_TYPE, 0);
+ if (err)
+ return err;
+
+ return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
+}
+
+static int cmd_linecard_unprovision(struct dl *dl)
+{
+ struct nlmsghdr *nlh;
+ int err;
+
+ nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_LINECARD_UNPROVISION,
+ NLM_F_REQUEST | NLM_F_ACK);
+
+ err = dl_argv_parse_put(nlh, dl, DL_OPT_HANDLE | DL_OPT_LINECARD, 0);
+ if (err)
+ return err;
+
+ return _mnlg_socket_sndrcv(dl->nlg, nlh, NULL, NULL);
+}
+
+static int cmd_linecard(struct dl *dl)
+{
+ if (dl_argv_match(dl, "help")) {
+ cmd_linecard_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_linecard_show(dl);
+ } else if (dl_argv_match(dl, "provision")) {
+ dl_arg_inc(dl);
+ return cmd_linecard_provision(dl);
+ } else if (dl_argv_match(dl, "unprovision")) {
+ dl_arg_inc(dl);
+ return cmd_linecard_unprovision(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");
@@ -4818,6 +5003,10 @@ static const char *cmd_name(uint8_t cmd)
case DEVLINK_CMD_TRAP_POLICER_SET: return "set";
case DEVLINK_CMD_TRAP_POLICER_NEW: return "new";
case DEVLINK_CMD_TRAP_POLICER_DEL: return "del";
+ case DEVLINK_CMD_LINECARD_GET: return "get";
+ case DEVLINK_CMD_LINECARD_SET: return "set";
+ case DEVLINK_CMD_LINECARD_NEW: return "new";
+ case DEVLINK_CMD_LINECARD_DEL: return "del";
default: return "<unknown cmd>";
}
}
@@ -4867,6 +5056,11 @@ static const char *cmd_obj(uint8_t cmd)
case DEVLINK_CMD_TRAP_POLICER_NEW:
case DEVLINK_CMD_TRAP_POLICER_DEL:
return "trap-policer";
+ case DEVLINK_CMD_LINECARD_GET:
+ case DEVLINK_CMD_LINECARD_SET:
+ case DEVLINK_CMD_LINECARD_NEW:
+ case DEVLINK_CMD_LINECARD_DEL:
+ return "lc";
default: return "<unknown obj>";
}
}
@@ -5059,6 +5253,18 @@ static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
pr_out_mon_header(genl->cmd);
pr_out_trap_policer(dl, tb, false);
break;
+ case DEVLINK_CMD_LINECARD_GET: /* fall through */
+ case DEVLINK_CMD_LINECARD_SET: /* fall through */
+ case DEVLINK_CMD_LINECARD_NEW: /* fall through */
+ case DEVLINK_CMD_LINECARD_DEL:
+ mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
+ if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME] ||
+ !tb[DEVLINK_ATTR_LINECARD_INDEX])
+ return MNL_CB_ERROR;
+ pr_out_mon_header(genl->cmd);
+ pr_out_linecard(dl, tb);
+ pr_out_mon_footer();
+ break;
}
fflush(stdout);
return MNL_CB_OK;
@@ -5077,7 +5283,8 @@ static int cmd_mon_show(struct dl *dl)
strcmp(cur_obj, "health") != 0 &&
strcmp(cur_obj, "trap") != 0 &&
strcmp(cur_obj, "trap-group") != 0 &&
- strcmp(cur_obj, "trap-policer") != 0) {
+ strcmp(cur_obj, "trap-policer") != 0 &&
+ strcmp(cur_obj, "lc") != 0) {
pr_err("Unknown object \"%s\"\n", cur_obj);
return -EINVAL;
}
@@ -5098,7 +5305,7 @@ static int cmd_mon_show(struct dl *dl)
static void cmd_mon_help(void)
{
pr_err("Usage: devlink monitor [ all | OBJECT-LIST ]\n"
- "where OBJECT-LIST := { dev | port | health | trap | trap-group | trap-policer }\n");
+ "where OBJECT-LIST := { dev | port | lc | health | trap | trap-group | trap-policer }\n");
}
static int cmd_mon(struct dl *dl)
@@ -8073,7 +8280,7 @@ static void help(void)
{
pr_err("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
" devlink [ -f[orce] ] -b[atch] filename -N[etns] netnsname\n"
- "where OBJECT := { dev | port | sb | monitor | dpipe | resource | region | health | trap }\n"
+ "where OBJECT := { dev | port | lc | sb | monitor | dpipe | resource | region | health | trap }\n"
" OPTIONS := { -V[ersion] | -n[o-nice-names] | -j[son] | -p[retty] | -v[erbose] -s[tatistics] }\n");
}
@@ -8112,6 +8319,9 @@ static int dl_cmd(struct dl *dl, int argc, char **argv)
} else if (dl_argv_match(dl, "trap")) {
dl_arg_inc(dl);
return cmd_trap(dl);
+ } else if (dl_argv_match(dl, "lc")) {
+ dl_arg_inc(dl);
+ return cmd_linecard(dl);
}
pr_err("Object \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
--
2.26.2
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