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path: root/drivers/infiniband/core/nldev.c
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Diffstat (limited to 'drivers/infiniband/core/nldev.c')
-rw-r--r--drivers/infiniband/core/nldev.c160
1 files changed, 127 insertions, 33 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index 11ed58d3fce5..69188cbbd99b 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -116,6 +116,10 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
[RDMA_NLDEV_ATTR_RES_CTXN] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_LINK_TYPE] = { .type = NLA_NUL_STRING,
.len = RDMA_NLDEV_ATTR_ENTRY_STRLEN },
+ [RDMA_NLDEV_SYS_ATTR_NETNS_MODE] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_DEV_PROTOCOL] = { .type = NLA_NUL_STRING,
+ .len = RDMA_NLDEV_ATTR_ENTRY_STRLEN },
+ [RDMA_NLDEV_NET_NS_FD] = { .type = NLA_U32 },
};
static int put_driver_name_print_type(struct sk_buff *msg, const char *name,
@@ -198,6 +202,8 @@ static int fill_nldev_handle(struct sk_buff *msg, struct ib_device *device)
static int fill_dev_info(struct sk_buff *msg, struct ib_device *device)
{
char fw[IB_FW_VERSION_NAME_MAX];
+ int ret = 0;
+ u8 port;
if (fill_nldev_handle(msg, device))
return -EMSGSIZE;
@@ -226,7 +232,25 @@ static int fill_dev_info(struct sk_buff *msg, struct ib_device *device)
return -EMSGSIZE;
if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_NODE_TYPE, device->node_type))
return -EMSGSIZE;
- return 0;
+
+ /*
+ * Link type is determined on first port and mlx4 device
+ * which can potentially have two different link type for the same
+ * IB device is considered as better to be avoided in the future,
+ */
+ port = rdma_start_port(device);
+ if (rdma_cap_opa_mad(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "opa");
+ else if (rdma_protocol_ib(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "ib");
+ else if (rdma_protocol_iwarp(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "iw");
+ else if (rdma_protocol_roce(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL, "roce");
+ else if (rdma_protocol_usnic(device, port))
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_PROTOCOL,
+ "usnic");
+ return ret;
}
static int fill_port_info(struct sk_buff *msg,
@@ -292,7 +316,8 @@ static int fill_res_info_entry(struct sk_buff *msg,
{
struct nlattr *entry_attr;
- entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY);
+ entry_attr = nla_nest_start_noflag(msg,
+ RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY);
if (!entry_attr)
return -EMSGSIZE;
@@ -327,7 +352,7 @@ static int fill_res_info(struct sk_buff *msg, struct ib_device *device)
if (fill_nldev_handle(msg, device))
return -EMSGSIZE;
- table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_SUMMARY);
+ table_attr = nla_nest_start_noflag(msg, RDMA_NLDEV_ATTR_RES_SUMMARY);
if (!table_attr)
return -EMSGSIZE;
@@ -607,14 +632,14 @@ static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
@@ -652,13 +677,13 @@ static int nldev_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, nldev_policy,
- extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
@@ -668,9 +693,20 @@ static int nldev_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
nla_strlcpy(name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
IB_DEVICE_NAME_MAX);
err = ib_device_rename(device, name);
+ goto done;
+ }
+
+ if (tb[RDMA_NLDEV_NET_NS_FD]) {
+ u32 ns_fd;
+
+ ns_fd = nla_get_u32(tb[RDMA_NLDEV_NET_NS_FD]);
+ err = ib_device_set_netns_put(skb, device, ns_fd);
+ goto put_done;
}
+done:
ib_device_put(device);
+put_done:
return err;
}
@@ -706,7 +742,7 @@ static int nldev_get_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
{
/*
* There is no need to take lock, because
- * we are relying on ib_core's lists_rwsem
+ * we are relying on ib_core's locking.
*/
return ib_enum_all_devs(_nldev_get_dumpit, skb, cb);
}
@@ -721,15 +757,15 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 port;
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err ||
!tb[RDMA_NLDEV_ATTR_DEV_INDEX] ||
!tb[RDMA_NLDEV_ATTR_PORT_INDEX])
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
@@ -777,13 +813,13 @@ static int nldev_port_get_dumpit(struct sk_buff *skb,
int err;
unsigned int p;
- err = nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, NULL);
+ err = nlmsg_parse_deprecated(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NULL);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
ifindex = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(ifindex);
+ device = ib_device_get_by_index(sock_net(skb->sk), ifindex);
if (!device)
return -EINVAL;
@@ -832,13 +868,13 @@ static int nldev_res_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int ret;
- ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ ret = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
@@ -886,7 +922,6 @@ static int _nldev_res_get_dumpit(struct ib_device *device,
nlmsg_cancel(skb, nlh);
goto out;
}
-
nlmsg_end(skb, nlh);
idx++;
@@ -981,13 +1016,13 @@ static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct sk_buff *msg;
int ret;
- ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ ret = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !fe->id || !tb[fe->id])
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
@@ -1070,8 +1105,8 @@ static int res_get_common_dumpit(struct sk_buff *skb,
u32 index, port = 0;
bool filled = false;
- err = nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, NULL);
+ err = nlmsg_parse_deprecated(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NULL);
/*
* Right now, we are expecting the device index to get res information,
* but it is possible to extend this code to return all devices in
@@ -1084,7 +1119,7 @@ static int res_get_common_dumpit(struct sk_buff *skb,
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
@@ -1108,7 +1143,7 @@ static int res_get_common_dumpit(struct sk_buff *skb,
goto err;
}
- table_attr = nla_nest_start(skb, fe->nldev_attr);
+ table_attr = nla_nest_start_noflag(skb, fe->nldev_attr);
if (!table_attr) {
ret = -EMSGSIZE;
goto err;
@@ -1134,7 +1169,7 @@ static int res_get_common_dumpit(struct sk_buff *skb,
filled = true;
- entry_attr = nla_nest_start(skb, fe->entry);
+ entry_attr = nla_nest_start_noflag(skb, fe->entry);
if (!entry_attr) {
ret = -EMSGSIZE;
rdma_restrack_put(res);
@@ -1249,8 +1284,8 @@ static int nldev_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
char type[IFNAMSIZ];
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_NAME] ||
!tb[RDMA_NLDEV_ATTR_LINK_TYPE] || !tb[RDMA_NLDEV_ATTR_NDEV_NAME])
return -EINVAL;
@@ -1293,13 +1328,13 @@ static int nldev_dellink(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
- device = ib_device_get_by_index(index);
+ device = ib_device_get_by_index(sock_net(skb->sk), index);
if (!device)
return -EINVAL;
@@ -1312,6 +1347,58 @@ static int nldev_dellink(struct sk_buff *skb, struct nlmsghdr *nlh,
return 0;
}
+static int nldev_sys_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
+ struct sk_buff *msg;
+ int err;
+
+ err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
+ if (err)
+ return err;
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg)
+ return -ENOMEM;
+
+ nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
+ RDMA_NL_GET_TYPE(RDMA_NL_NLDEV,
+ RDMA_NLDEV_CMD_SYS_GET),
+ 0, 0);
+
+ err = nla_put_u8(msg, RDMA_NLDEV_SYS_ATTR_NETNS_MODE,
+ (u8)ib_devices_shared_netns);
+ if (err) {
+ nlmsg_free(msg);
+ return err;
+ }
+ nlmsg_end(msg, nlh);
+ return rdma_nl_unicast(msg, NETLINK_CB(skb).portid);
+}
+
+static int nldev_set_sys_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
+ u8 enable;
+ int err;
+
+ err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
+ if (err || !tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE])
+ return -EINVAL;
+
+ enable = nla_get_u8(tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE]);
+ /* Only 0 and 1 are supported */
+ if (enable > 1)
+ return -EINVAL;
+
+ err = rdma_compatdev_set(enable);
+ return err;
+}
+
static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = {
[RDMA_NLDEV_CMD_GET] = {
.doit = nldev_get_doit,
@@ -1357,6 +1444,13 @@ static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = {
.doit = nldev_res_get_pd_doit,
.dump = nldev_res_get_pd_dumpit,
},
+ [RDMA_NLDEV_CMD_SYS_GET] = {
+ .doit = nldev_sys_get_doit,
+ },
+ [RDMA_NLDEV_CMD_SYS_SET] = {
+ .doit = nldev_set_sys_set_doit,
+ .flags = RDMA_NL_ADMIN_PERM,
+ },
};
void __init nldev_init(void)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.