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devlink: implement shared buffer support 

Implement kernel devlink shared buffer interface. Introduce new object
"sb" and allow to browse the shared buffer parameters and also change
configuration.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
This commit is contained in:
Jiri Pirko 2016-05-14 15:21:01 +02:00 committed by Stephen Hemminger
parent a2de651e64
commit e6d7367d79
1 changed files with 652 additions and 1 deletions
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653
devlink/devlink.c
View File

@ -114,6 +114,13 @@ static void ifname_map_free(struct ifname_map *ifname_map)
#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)
struct dl_opts {
uint32_t present; /* flags of present items */
@ -122,6 +129,13 @@ struct dl_opts {
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;
};
struct dl {
@ -225,6 +239,42 @@ static int attr_cb(const struct nlattr *attr, void *data)
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;
tb[type] = attr;
return MNL_CB_OK;
}
@ -307,6 +357,23 @@ static int ifname_map_lookup(struct dl *dl, const char *ifname,
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;
@ -346,6 +413,20 @@ static int strtouint32_t(const char *str, uint32_t *p_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);
@ -486,6 +567,24 @@ static int dl_argv_uint32_t(struct dl *dl, uint32_t *p_val)
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);
@ -513,6 +612,33 @@ static int port_type_get(const char *typestr, enum devlink_port_type *p_type)
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 dl_argv_parse(struct dl *dl, uint32_t o_required,
uint32_t o_optional)
{
@ -562,6 +688,66 @@ static int dl_argv_parse(struct dl *dl, uint32_t o_required,
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 {
pr_err("Unknown option \"%s\"\n", dl_argv(dl));
return -EINVAL;
@ -570,6 +756,11 @@ static int dl_argv_parse(struct dl *dl, uint32_t o_required,
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;
@ -581,6 +772,35 @@ static int dl_argv_parse(struct dl *dl, uint32_t o_required,
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;
}
return 0;
}
@ -603,6 +823,27 @@ static void dl_opts_put(struct nlmsghdr *nlh, struct dl *dl)
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);
}
static int dl_argv_parse_put(struct nlmsghdr *nlh, struct dl *dl,
@ -648,6 +889,39 @@ static void pr_out_port_handle(struct nlattr **tb)
mnl_attr_get_u32(tb[DEVLINK_ATTR_PORT_INDEX]));
}
static void __pr_out_port_handle_nice(struct dl *dl, const char *bus_name,
const char *dev_name, uint32_t port_index)
{
char *ifname;
int err;
if (dl->no_nice_names)
goto no_nice_names;
err = ifname_map_rev_lookup(dl, bus_name, dev_name,
port_index, &ifname);
if (err)
goto no_nice_names;
pr_out("%s", ifname);
return;
no_nice_names:
__pr_out_port_handle(bus_name, dev_name, port_index);
}
static void pr_out_port_handle_nice(struct dl *dl, struct nlattr **tb)
{
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_nice(dl, bus_name, dev_name, port_index);
}
static void pr_out_dev(struct nlattr **tb)
{
pr_out_handle(tb);
@ -850,6 +1124,380 @@ static int cmd_port(struct dl *dl)
return -ENOENT;
}
static void cmd_sb_help(void)
{
pr_out("Usage: devlink sb show [ DEV [ sb SB_INDEX ] ]\n");
pr_out(" devlink sb pool show [ DEV [ sb SB_INDEX ] pool POOL_INDEX ]\n");
pr_out(" devlink sb pool set DEV [ sb SB_INDEX ] pool POOL_INDEX\n");
pr_out(" size POOL_SIZE thtype { static | dynamic }\n");
pr_out(" devlink sb port pool show [ DEV/PORT_INDEX [ sb SB_INDEX ]\n");
pr_out(" pool POOL_INDEX ]\n");
pr_out(" devlink sb port pool set DEV/PORT_INDEX [ sb SB_INDEX ]\n");
pr_out(" pool POOL_INDEX th THRESHOLD\n");
pr_out(" devlink sb tc bind show [ DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
pr_out(" type { ingress | egress } ]\n");
pr_out(" devlink sb tc bind set DEV/PORT_INDEX [ sb SB_INDEX ] tc TC_INDEX\n");
pr_out(" type { ingress | egress } pool POOL_INDEX\n");
pr_out(" th THRESHOLD\n");
}
static void pr_out_sb(struct nlattr **tb)
{
pr_out_handle(tb);
pr_out(": sb %u size %u ing_pools %u eg_pools %u ing_tcs %u eg_tcs %u\n",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]),
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_SIZE]),
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_POOL_COUNT]),
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_POOL_COUNT]),
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_INGRESS_TC_COUNT]),
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_EGRESS_TC_COUNT]));
}
static int cmd_sb_show_cb(const struct nlmsghdr *nlh, void *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(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;
}
return _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_show_cb, NULL);
}
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 nlattr **tb)
{
pr_out_handle(tb);
pr_out(": sb %u pool %u type %s size %u thtype %s\n",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]),
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]),
pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])),
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_POOL_SIZE]),
threshold_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE])));
}
static int cmd_sb_pool_show_cb(const struct nlmsghdr *nlh, void *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(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;
}
return _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_pool_show_cb, NULL);
}
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_nice(dl, tb);
pr_out(": sb %u pool %u threshold %u\n",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]),
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]),
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
}
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;
}
return _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_port_pool_show_cb, dl);
}
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_nice(dl, tb);
pr_out(": sb %u tc %u type %s pool %u threshold %u\n",
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_INDEX]),
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_TC_INDEX]),
pool_type_name(mnl_attr_get_u8(tb[DEVLINK_ATTR_SB_POOL_TYPE])),
mnl_attr_get_u16(tb[DEVLINK_ATTR_SB_POOL_INDEX]),
mnl_attr_get_u32(tb[DEVLINK_ATTR_SB_THRESHOLD]));
}
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;
}
return _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_sb_tc_bind_show_cb, dl);
}
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;
}
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);
}
pr_err("Command \"%s\" not found\n", dl_argv(dl));
return -ENOENT;
}
static const char *cmd_name(uint8_t cmd)
{
switch (cmd) {
@ -985,7 +1633,7 @@ static int cmd_mon(struct dl *dl)
static void help(void)
{
pr_out("Usage: devlink [ OPTIONS ] OBJECT { COMMAND | help }\n"
"where OBJECT := { dev | port | monitor }\n"
"where OBJECT := { dev | port | sb | monitor }\n"
" OPTIONS := { -V[ersion] | -n[no-nice-names] }\n");
}
@ -1000,6 +1648,9 @@ static int dl_cmd(struct dl *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);