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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.c1184
1 files changed, 972 insertions, 212 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index e16105be2eb2..2220a2dfab24 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -43,6 +43,13 @@
#include "restrack.h"
#include "uverbs.h"
+/*
+ * This determines whether a non-privileged user is allowed to specify a
+ * controlled QKEY or not, when true non-privileged user is allowed to specify
+ * a controlled QKEY.
+ */
+static bool privileged_qkey;
+
typedef int (*res_fill_func_t)(struct sk_buff*, bool,
struct rdma_restrack_entry*, uint32_t);
@@ -92,7 +99,9 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
[RDMA_NLDEV_ATTR_RES_CQE] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_RES_CQN] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_RES_CQ_ENTRY] = { .type = NLA_NESTED },
+ [RDMA_NLDEV_ATTR_RES_CTX] = { .type = NLA_NESTED },
[RDMA_NLDEV_ATTR_RES_CTXN] = { .type = NLA_U32 },
+ [RDMA_NLDEV_ATTR_RES_CTX_ENTRY] = { .type = NLA_NESTED },
[RDMA_NLDEV_ATTR_RES_DST_ADDR] = {
.len = sizeof(struct __kernel_sockaddr_storage) },
[RDMA_NLDEV_ATTR_RES_IOVA] = { .type = NLA_U64 },
@@ -114,6 +123,7 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
[RDMA_NLDEV_ATTR_RES_PS] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_RES_QP] = { .type = NLA_NESTED },
[RDMA_NLDEV_ATTR_RES_QP_ENTRY] = { .type = NLA_NESTED },
+ [RDMA_NLDEV_ATTR_RES_RAW] = { .type = NLA_BINARY },
[RDMA_NLDEV_ATTR_RES_RKEY] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_RES_RQPN] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_RES_RQ_PSN] = { .type = NLA_U32 },
@@ -127,8 +137,15 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
[RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME]= { .type = NLA_NUL_STRING,
.len = RDMA_NLDEV_ATTR_EMPTY_STRING },
[RDMA_NLDEV_ATTR_RES_TYPE] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_RES_SUBTYPE] = { .type = NLA_NUL_STRING,
+ .len = RDMA_NLDEV_ATTR_EMPTY_STRING },
[RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY]= { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_RES_USECNT] = { .type = NLA_U64 },
+ [RDMA_NLDEV_ATTR_RES_SRQ] = { .type = NLA_NESTED },
+ [RDMA_NLDEV_ATTR_RES_SRQN] = { .type = NLA_U32 },
+ [RDMA_NLDEV_ATTR_RES_SRQ_ENTRY] = { .type = NLA_NESTED },
+ [RDMA_NLDEV_ATTR_MIN_RANGE] = { .type = NLA_U32 },
+ [RDMA_NLDEV_ATTR_MAX_RANGE] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_SM_LID] = { .type = NLA_U32 },
[RDMA_NLDEV_ATTR_SUBNET_PREFIX] = { .type = NLA_U64 },
[RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK] = { .type = NLA_U32 },
@@ -145,6 +162,16 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = {
[RDMA_NLDEV_ATTR_UVERBS_DRIVER_ID] = { .type = NLA_U32 },
[RDMA_NLDEV_NET_NS_FD] = { .type = NLA_U32 },
[RDMA_NLDEV_SYS_ATTR_NETNS_MODE] = { .type = NLA_U8 },
+ [RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX] = { .type = NLA_U32 },
+ [RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC] = { .type = NLA_U8 },
+ [RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_DRIVER_DETAILS] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_DEV_TYPE] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_PARENT_NAME] = { .type = NLA_NUL_STRING },
+ [RDMA_NLDEV_ATTR_NAME_ASSIGN_TYPE] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_EVENT_TYPE] = { .type = NLA_U8 },
+ [RDMA_NLDEV_ATTR_STAT_OPCOUNTER_ENABLED] = { .type = NLA_U8 },
};
static int put_driver_name_print_type(struct sk_buff *msg, const char *name,
@@ -226,6 +253,12 @@ int rdma_nl_put_driver_u64_hex(struct sk_buff *msg, const char *name, u64 value)
}
EXPORT_SYMBOL(rdma_nl_put_driver_u64_hex);
+bool rdma_nl_get_privileged_qkey(void)
+{
+ return privileged_qkey;
+}
+EXPORT_SYMBOL(rdma_nl_get_privileged_qkey);
+
static int fill_nldev_handle(struct sk_buff *msg, struct ib_device *device)
{
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_DEV_INDEX, device->index))
@@ -241,7 +274,7 @@ 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;
+ u32 port;
if (fill_nldev_handle(msg, device))
return -EMSGSIZE;
@@ -273,6 +306,19 @@ static int fill_dev_info(struct sk_buff *msg, struct ib_device *device)
if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_DIM, device->use_cq_dim))
return -EMSGSIZE;
+ if (device->type &&
+ nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_TYPE, device->type))
+ return -EMSGSIZE;
+
+ if (device->parent &&
+ nla_put_string(msg, RDMA_NLDEV_ATTR_PARENT_NAME,
+ dev_name(&device->parent->dev)))
+ return -EMSGSIZE;
+
+ if (nla_put_u8(msg, RDMA_NLDEV_ATTR_NAME_ASSIGN_TYPE,
+ device->name_assign_type))
+ return -EMSGSIZE;
+
/*
* Link type is determined on first port and mlx4 device
* which can potentially have two different link type for the same
@@ -346,8 +392,7 @@ static int fill_port_info(struct sk_buff *msg,
}
out:
- if (netdev)
- dev_put(netdev);
+ dev_put(netdev);
return ret;
}
@@ -375,7 +420,8 @@ err:
return -EMSGSIZE;
}
-static int fill_res_info(struct sk_buff *msg, struct ib_device *device)
+static int fill_res_info(struct sk_buff *msg, struct ib_device *device,
+ bool show_details)
{
static const char * const names[RDMA_RESTRACK_MAX] = {
[RDMA_RESTRACK_PD] = "pd",
@@ -384,6 +430,7 @@ static int fill_res_info(struct sk_buff *msg, struct ib_device *device)
[RDMA_RESTRACK_CM_ID] = "cm_id",
[RDMA_RESTRACK_MR] = "mr",
[RDMA_RESTRACK_CTX] = "ctx",
+ [RDMA_RESTRACK_SRQ] = "srq",
};
struct nlattr *table_attr;
@@ -399,7 +446,7 @@ static int fill_res_info(struct sk_buff *msg, struct ib_device *device)
for (i = 0; i < RDMA_RESTRACK_MAX; i++) {
if (!names[i])
continue;
- curr = rdma_restrack_count(device, i);
+ curr = rdma_restrack_count(device, i, show_details);
ret = fill_res_info_entry(msg, names[i], curr);
if (ret)
goto err;
@@ -446,27 +493,11 @@ static int fill_res_name_pid(struct sk_buff *msg,
return err ? -EMSGSIZE : 0;
}
-static bool fill_res_entry(struct ib_device *dev, struct sk_buff *msg,
- struct rdma_restrack_entry *res)
+static int fill_res_qp_entry_query(struct sk_buff *msg,
+ struct rdma_restrack_entry *res,
+ struct ib_device *dev,
+ struct ib_qp *qp)
{
- if (!dev->ops.fill_res_entry)
- return false;
- return dev->ops.fill_res_entry(msg, res);
-}
-
-static bool fill_stat_entry(struct ib_device *dev, struct sk_buff *msg,
- struct rdma_restrack_entry *res)
-{
- if (!dev->ops.fill_stat_entry)
- return false;
- return dev->ops.fill_stat_entry(msg, res);
-}
-
-static int fill_res_qp_entry(struct sk_buff *msg, bool has_cap_net_admin,
- struct rdma_restrack_entry *res, uint32_t port)
-{
- struct ib_qp *qp = container_of(res, struct ib_qp, res);
- struct ib_device *dev = qp->device;
struct ib_qp_init_attr qp_init_attr;
struct ib_qp_attr qp_attr;
int ret;
@@ -475,16 +506,6 @@ static int fill_res_qp_entry(struct sk_buff *msg, bool has_cap_net_admin,
if (ret)
return ret;
- if (port && port != qp_attr.port_num)
- return -EAGAIN;
-
- /* In create_qp() port is not set yet */
- if (qp_attr.port_num &&
- nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, qp_attr.port_num))
- goto err;
-
- if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, qp->qp_num))
- goto err;
if (qp->qp_type == IB_QPT_RC || qp->qp_type == IB_QPT_UC) {
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_RQPN,
qp_attr.dest_qp_num))
@@ -508,19 +529,53 @@ static int fill_res_qp_entry(struct sk_buff *msg, bool has_cap_net_admin,
if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_STATE, qp_attr.qp_state))
goto err;
+ if (dev->ops.fill_res_qp_entry)
+ return dev->ops.fill_res_qp_entry(msg, qp);
+ return 0;
+
+err: return -EMSGSIZE;
+}
+
+static int fill_res_qp_entry(struct sk_buff *msg, bool has_cap_net_admin,
+ struct rdma_restrack_entry *res, uint32_t port)
+{
+ struct ib_qp *qp = container_of(res, struct ib_qp, res);
+ struct ib_device *dev = qp->device;
+ int ret;
+
+ if (port && port != qp->port)
+ return -EAGAIN;
+
+ /* In create_qp() port is not set yet */
+ if (qp->port && nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, qp->port))
+ return -EMSGSIZE;
+
+ ret = nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, qp->qp_num);
+ if (ret)
+ return -EMSGSIZE;
+
if (!rdma_is_kernel_res(res) &&
nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PDN, qp->pd->res.id))
- goto err;
+ return -EMSGSIZE;
- if (fill_res_name_pid(msg, res))
- goto err;
+ ret = fill_res_name_pid(msg, res);
+ if (ret)
+ return -EMSGSIZE;
- if (fill_res_entry(dev, msg, res))
- goto err;
+ return fill_res_qp_entry_query(msg, res, dev, qp);
+}
- return 0;
+static int fill_res_qp_raw_entry(struct sk_buff *msg, bool has_cap_net_admin,
+ struct rdma_restrack_entry *res, uint32_t port)
+{
+ struct ib_qp *qp = container_of(res, struct ib_qp, res);
+ struct ib_device *dev = qp->device;
-err: return -EMSGSIZE;
+ if (port && port != qp->port)
+ return -EAGAIN;
+ if (!dev->ops.fill_res_qp_entry_raw)
+ return -EINVAL;
+ return dev->ops.fill_res_qp_entry_raw(msg, qp);
}
static int fill_res_cm_id_entry(struct sk_buff *msg, bool has_cap_net_admin,
@@ -532,7 +587,7 @@ static int fill_res_cm_id_entry(struct sk_buff *msg, bool has_cap_net_admin,
struct rdma_cm_id *cm_id = &id_priv->id;
if (port && port != cm_id->port_num)
- return 0;
+ return -EAGAIN;
if (cm_id->port_num &&
nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, cm_id->port_num))
@@ -568,9 +623,8 @@ static int fill_res_cm_id_entry(struct sk_buff *msg, bool has_cap_net_admin,
if (fill_res_name_pid(msg, res))
goto err;
- if (fill_res_entry(dev, msg, res))
- goto err;
-
+ if (dev->ops.fill_res_cm_id_entry)
+ return dev->ops.fill_res_cm_id_entry(msg, cm_id);
return 0;
err: return -EMSGSIZE;
@@ -583,35 +637,42 @@ static int fill_res_cq_entry(struct sk_buff *msg, bool has_cap_net_admin,
struct ib_device *dev = cq->device;
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CQE, cq->cqe))
- goto err;
+ return -EMSGSIZE;
if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_USECNT,
atomic_read(&cq->usecnt), RDMA_NLDEV_ATTR_PAD))
- goto err;
+ return -EMSGSIZE;
/* Poll context is only valid for kernel CQs */
if (rdma_is_kernel_res(res) &&
nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_POLL_CTX, cq->poll_ctx))
- goto err;
+ return -EMSGSIZE;
if (nla_put_u8(msg, RDMA_NLDEV_ATTR_DEV_DIM, (cq->dim != NULL)))
- goto err;
+ return -EMSGSIZE;
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CQN, res->id))
- goto err;
+ return -EMSGSIZE;
if (!rdma_is_kernel_res(res) &&
nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CTXN,
cq->uobject->uevent.uobject.context->res.id))
- goto err;
+ return -EMSGSIZE;
if (fill_res_name_pid(msg, res))
- goto err;
+ return -EMSGSIZE;
- if (fill_res_entry(dev, msg, res))
- goto err;
+ return (dev->ops.fill_res_cq_entry) ?
+ dev->ops.fill_res_cq_entry(msg, cq) : 0;
+}
- return 0;
+static int fill_res_cq_raw_entry(struct sk_buff *msg, bool has_cap_net_admin,
+ struct rdma_restrack_entry *res, uint32_t port)
+{
+ struct ib_cq *cq = container_of(res, struct ib_cq, res);
+ struct ib_device *dev = cq->device;
-err: return -EMSGSIZE;
+ if (!dev->ops.fill_res_cq_entry_raw)
+ return -EINVAL;
+ return dev->ops.fill_res_cq_entry_raw(msg, cq);
}
static int fill_res_mr_entry(struct sk_buff *msg, bool has_cap_net_admin,
@@ -622,38 +683,45 @@ static int fill_res_mr_entry(struct sk_buff *msg, bool has_cap_net_admin,
if (has_cap_net_admin) {
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_RKEY, mr->rkey))
- goto err;
+ return -EMSGSIZE;
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LKEY, mr->lkey))
- goto err;
+ return -EMSGSIZE;
}
if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_RES_MRLEN, mr->length,
RDMA_NLDEV_ATTR_PAD))
- goto err;
+ return -EMSGSIZE;
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_MRN, res->id))
- goto err;
+ return -EMSGSIZE;
if (!rdma_is_kernel_res(res) &&
nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PDN, mr->pd->res.id))
- goto err;
+ return -EMSGSIZE;
if (fill_res_name_pid(msg, res))
- goto err;
+ return -EMSGSIZE;
- if (fill_res_entry(dev, msg, res))
- goto err;
+ return (dev->ops.fill_res_mr_entry) ?
+ dev->ops.fill_res_mr_entry(msg, mr) :
+ 0;
+}
- return 0;
+static int fill_res_mr_raw_entry(struct sk_buff *msg, bool has_cap_net_admin,
+ struct rdma_restrack_entry *res, uint32_t port)
+{
+ struct ib_mr *mr = container_of(res, struct ib_mr, res);
+ struct ib_device *dev = mr->pd->device;
-err: return -EMSGSIZE;
+ if (!dev->ops.fill_res_mr_entry_raw)
+ return -EINVAL;
+ return dev->ops.fill_res_mr_entry_raw(msg, mr);
}
static int fill_res_pd_entry(struct sk_buff *msg, bool has_cap_net_admin,
struct rdma_restrack_entry *res, uint32_t port)
{
struct ib_pd *pd = container_of(res, struct ib_pd, res);
- struct ib_device *dev = pd->device;
if (has_cap_net_admin) {
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY,
@@ -676,15 +744,156 @@ static int fill_res_pd_entry(struct sk_buff *msg, bool has_cap_net_admin,
pd->uobject->context->res.id))
goto err;
- if (fill_res_name_pid(msg, res))
+ return fill_res_name_pid(msg, res);
+
+err: return -EMSGSIZE;
+}
+
+static int fill_res_ctx_entry(struct sk_buff *msg, bool has_cap_net_admin,
+ struct rdma_restrack_entry *res, uint32_t port)
+{
+ struct ib_ucontext *ctx = container_of(res, struct ib_ucontext, res);
+
+ if (rdma_is_kernel_res(res))
+ return 0;
+
+ if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CTXN, ctx->res.id))
+ return -EMSGSIZE;
+
+ return fill_res_name_pid(msg, res);
+}
+
+static int fill_res_range_qp_entry(struct sk_buff *msg, uint32_t min_range,
+ uint32_t max_range)
+{
+ struct nlattr *entry_attr;
+
+ if (!min_range)
+ return 0;
+
+ entry_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_QP_ENTRY);
+ if (!entry_attr)
+ return -EMSGSIZE;
+
+ if (min_range == max_range) {
+ if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, min_range))
+ goto err;
+ } else {
+ if (nla_put_u32(msg, RDMA_NLDEV_ATTR_MIN_RANGE, min_range))
+ goto err;
+ if (nla_put_u32(msg, RDMA_NLDEV_ATTR_MAX_RANGE, max_range))
+ goto err;
+ }
+ nla_nest_end(msg, entry_attr);
+ return 0;
+
+err:
+ nla_nest_cancel(msg, entry_attr);
+ return -EMSGSIZE;
+}
+
+static int fill_res_srq_qps(struct sk_buff *msg, struct ib_srq *srq)
+{
+ uint32_t min_range = 0, prev = 0;
+ struct rdma_restrack_entry *res;
+ struct rdma_restrack_root *rt;
+ struct nlattr *table_attr;
+ struct ib_qp *qp = NULL;
+ unsigned long id = 0;
+
+ table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_QP);
+ if (!table_attr)
+ return -EMSGSIZE;
+
+ rt = &srq->device->res[RDMA_RESTRACK_QP];
+ xa_lock(&rt->xa);
+ xa_for_each(&rt->xa, id, res) {
+ if (!rdma_restrack_get(res))
+ continue;
+
+ qp = container_of(res, struct ib_qp, res);
+ if (!qp->srq || (qp->srq->res.id != srq->res.id)) {
+ rdma_restrack_put(res);
+ continue;
+ }
+
+ if (qp->qp_num < prev)
+ /* qp_num should be ascending */
+ goto err_loop;
+
+ if (min_range == 0) {
+ min_range = qp->qp_num;
+ } else if (qp->qp_num > (prev + 1)) {
+ if (fill_res_range_qp_entry(msg, min_range, prev))
+ goto err_loop;
+
+ min_range = qp->qp_num;
+ }
+ prev = qp->qp_num;
+ rdma_restrack_put(res);
+ }
+
+ xa_unlock(&rt->xa);
+
+ if (fill_res_range_qp_entry(msg, min_range, prev))
+ goto err;
+
+ nla_nest_end(msg, table_attr);
+ return 0;
+
+err_loop:
+ rdma_restrack_put(res);
+ xa_unlock(&rt->xa);
+err:
+ nla_nest_cancel(msg, table_attr);
+ return -EMSGSIZE;
+}
+
+static int fill_res_srq_entry(struct sk_buff *msg, bool has_cap_net_admin,
+ struct rdma_restrack_entry *res, uint32_t port)
+{
+ struct ib_srq *srq = container_of(res, struct ib_srq, res);
+ struct ib_device *dev = srq->device;
+
+ if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_SRQN, srq->res.id))
+ goto err;
+
+ if (nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_TYPE, srq->srq_type))
goto err;
- if (fill_res_entry(dev, msg, res))
+ if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_PDN, srq->pd->res.id))
goto err;
+ if (ib_srq_has_cq(srq->srq_type)) {
+ if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_CQN,
+ srq->ext.cq->res.id))
+ goto err;
+ }
+
+ if (fill_res_srq_qps(msg, srq))
+ goto err;
+
+ if (fill_res_name_pid(msg, res))
+ goto err;
+
+ if (dev->ops.fill_res_srq_entry)
+ return dev->ops.fill_res_srq_entry(msg, srq);
+
return 0;
-err: return -EMSGSIZE;
+err:
+ return -EMSGSIZE;
+}
+
+static int fill_res_srq_raw_entry(struct sk_buff *msg, bool has_cap_net_admin,
+ struct rdma_restrack_entry *res, uint32_t port)
+{
+ struct ib_srq *srq = container_of(res, struct ib_srq, res);
+ struct ib_device *dev = srq->device;
+
+ if (!dev->ops.fill_res_srq_entry_raw)
+ return -EINVAL;
+ return dev->ops.fill_res_srq_entry_raw(msg, srq);
}
static int fill_stat_counter_mode(struct sk_buff *msg,
@@ -695,11 +904,16 @@ static int fill_stat_counter_mode(struct sk_buff *msg,
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_MODE, m->mode))
return -EMSGSIZE;
- if (m->mode == RDMA_COUNTER_MODE_AUTO)
+ if (m->mode == RDMA_COUNTER_MODE_AUTO) {
if ((m->mask & RDMA_COUNTER_MASK_QP_TYPE) &&
nla_put_u8(msg, RDMA_NLDEV_ATTR_RES_TYPE, m->param.qp_type))
return -EMSGSIZE;
+ if ((m->mask & RDMA_COUNTER_MASK_PID) &&
+ fill_res_name_pid(msg, &counter->res))
+ return -EMSGSIZE;
+ }
+
return 0;
}
@@ -733,14 +947,13 @@ static int fill_stat_counter_qps(struct sk_buff *msg,
int ret = 0;
table_attr = nla_nest_start(msg, RDMA_NLDEV_ATTR_RES_QP);
+ if (!table_attr)
+ return -EMSGSIZE;
rt = &counter->device->res[RDMA_RESTRACK_QP];
xa_lock(&rt->xa);
xa_for_each(&rt->xa, id, res) {
qp = container_of(res, struct ib_qp, res);
- if (qp->qp_type == IB_QPT_RAW_PACKET && !capable(CAP_NET_RAW))
- continue;
-
if (!qp->counter || (qp->counter->id != counter->id))
continue;
@@ -793,9 +1006,8 @@ static int fill_stat_mr_entry(struct sk_buff *msg, bool has_cap_net_admin,
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_MRN, res->id))
goto err;
- if (fill_stat_entry(dev, msg, res))
- goto err;
-
+ if (dev->ops.fill_stat_mr_entry)
+ return dev->ops.fill_stat_mr_entry(msg, mr);
return 0;
err:
@@ -813,14 +1025,21 @@ static int fill_stat_counter_hwcounters(struct sk_buff *msg,
if (!table_attr)
return -EMSGSIZE;
- for (i = 0; i < st->num_counters; i++)
- if (rdma_nl_stat_hwcounter_entry(msg, st->names[i], st->value[i]))
+ mutex_lock(&st->lock);
+ for (i = 0; i < st->num_counters; i++) {
+ if (test_bit(i, st->is_disabled))
+ continue;
+ if (rdma_nl_stat_hwcounter_entry(msg, st->descs[i].name,
+ st->value[i]))
goto err;
+ }
+ mutex_unlock(&st->lock);
nla_nest_end(msg, table_attr);
return 0;
err:
+ mutex_unlock(&st->lock);
nla_nest_cancel(msg, table_attr);
return -EMSGSIZE;
}
@@ -840,7 +1059,6 @@ static int fill_res_counter_entry(struct sk_buff *msg, bool has_cap_net_admin,
if (nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, counter->port) ||
nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_COUNTER_ID, counter->id) ||
- fill_res_name_pid(msg, &counter->res) ||
fill_stat_counter_mode(msg, counter) ||
fill_stat_counter_qps(msg, counter) ||
fill_stat_counter_hwcounters(msg, counter))
@@ -858,8 +1076,8 @@ static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int err;
- err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = __nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
@@ -878,6 +1096,10 @@ static int nldev_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET),
0, 0);
+ if (!nlh) {
+ err = -EMSGSIZE;
+ goto err_free;
+ }
err = fill_dev_info(msg, device);
if (err)
@@ -903,8 +1125,8 @@ static int nldev_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int err;
- err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
@@ -916,7 +1138,7 @@ static int nldev_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
if (tb[RDMA_NLDEV_ATTR_DEV_NAME]) {
char name[IB_DEVICE_NAME_MAX] = {};
- nla_strlcpy(name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
+ nla_strscpy(name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
IB_DEVICE_NAME_MAX);
if (strlen(name) == 0) {
err = -EINVAL;
@@ -963,7 +1185,7 @@ static int _nldev_get_dumpit(struct ib_device *device,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET),
0, NLM_F_MULTI);
- if (fill_dev_info(skb, device)) {
+ if (!nlh || fill_dev_info(skb, device)) {
nlmsg_cancel(skb, nlh);
goto out;
}
@@ -995,8 +1217,8 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 port;
int err;
- err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = __nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, extack);
if (err ||
!tb[RDMA_NLDEV_ATTR_DEV_INDEX] ||
!tb[RDMA_NLDEV_ATTR_PORT_INDEX])
@@ -1022,6 +1244,10 @@ static int nldev_port_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_GET),
0, 0);
+ if (!nlh) {
+ err = -EMSGSIZE;
+ goto err_free;
+ }
err = fill_port_info(msg, device, port, sock_net(skb->sk));
if (err)
@@ -1051,8 +1277,8 @@ static int nldev_port_get_dumpit(struct sk_buff *skb,
int err;
unsigned int p;
- err = nlmsg_parse_deprecated(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, NULL);
+ err = __nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, NULL);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
@@ -1083,7 +1309,7 @@ static int nldev_port_get_dumpit(struct sk_buff *skb,
RDMA_NLDEV_CMD_PORT_GET),
0, NLM_F_MULTI);
- if (fill_port_info(skb, device, p, sock_net(skb->sk))) {
+ if (!nlh || fill_port_info(skb, device, p, sock_net(skb->sk))) {
nlmsg_cancel(skb, nlh);
goto out;
}
@@ -1101,13 +1327,14 @@ static int nldev_res_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
+ bool show_details = false;
struct ib_device *device;
struct sk_buff *msg;
u32 index;
int ret;
- ret = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ ret = __nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, extack);
if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
@@ -1116,6 +1343,9 @@ static int nldev_res_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
if (!device)
return -EINVAL;
+ if (tb[RDMA_NLDEV_ATTR_DRIVER_DETAILS])
+ show_details = nla_get_u8(tb[RDMA_NLDEV_ATTR_DRIVER_DETAILS]);
+
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg) {
ret = -ENOMEM;
@@ -1125,8 +1355,12 @@ static int nldev_res_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_RES_GET),
0, 0);
+ if (!nlh) {
+ ret = -EMSGSIZE;
+ goto err_free;
+ }
- ret = fill_res_info(msg, device);
+ ret = fill_res_info(msg, device, show_details);
if (ret)
goto err_free;
@@ -1156,7 +1390,7 @@ static int _nldev_res_get_dumpit(struct ib_device *device,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_RES_GET),
0, NLM_F_MULTI);
- if (fill_res_info(skb, device)) {
+ if (!nlh || fill_res_info(skb, device, false)) {
nlmsg_cancel(skb, nlh);
goto out;
}
@@ -1177,7 +1411,6 @@ static int nldev_res_get_dumpit(struct sk_buff *skb,
struct nldev_fill_res_entry {
enum rdma_nldev_attr nldev_attr;
- enum rdma_nldev_command nldev_cmd;
u8 flags;
u32 entry;
u32 id;
@@ -1189,50 +1422,58 @@ enum nldev_res_flags {
static const struct nldev_fill_res_entry fill_entries[RDMA_RESTRACK_MAX] = {
[RDMA_RESTRACK_QP] = {
- .nldev_cmd = RDMA_NLDEV_CMD_RES_QP_GET,
.nldev_attr = RDMA_NLDEV_ATTR_RES_QP,
.entry = RDMA_NLDEV_ATTR_RES_QP_ENTRY,
.id = RDMA_NLDEV_ATTR_RES_LQPN,
},
[RDMA_RESTRACK_CM_ID] = {
- .nldev_cmd = RDMA_NLDEV_CMD_RES_CM_ID_GET,
.nldev_attr = RDMA_NLDEV_ATTR_RES_CM_ID,
.entry = RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY,
.id = RDMA_NLDEV_ATTR_RES_CM_IDN,
},
[RDMA_RESTRACK_CQ] = {
- .nldev_cmd = RDMA_NLDEV_CMD_RES_CQ_GET,
.nldev_attr = RDMA_NLDEV_ATTR_RES_CQ,
.flags = NLDEV_PER_DEV,
.entry = RDMA_NLDEV_ATTR_RES_CQ_ENTRY,
.id = RDMA_NLDEV_ATTR_RES_CQN,
},
[RDMA_RESTRACK_MR] = {
- .nldev_cmd = RDMA_NLDEV_CMD_RES_MR_GET,
.nldev_attr = RDMA_NLDEV_ATTR_RES_MR,
.flags = NLDEV_PER_DEV,
.entry = RDMA_NLDEV_ATTR_RES_MR_ENTRY,
.id = RDMA_NLDEV_ATTR_RES_MRN,
},
[RDMA_RESTRACK_PD] = {
- .nldev_cmd = RDMA_NLDEV_CMD_RES_PD_GET,
.nldev_attr = RDMA_NLDEV_ATTR_RES_PD,
.flags = NLDEV_PER_DEV,
.entry = RDMA_NLDEV_ATTR_RES_PD_ENTRY,
.id = RDMA_NLDEV_ATTR_RES_PDN,
},
[RDMA_RESTRACK_COUNTER] = {
- .nldev_cmd = RDMA_NLDEV_CMD_STAT_GET,
.nldev_attr = RDMA_NLDEV_ATTR_STAT_COUNTER,
.entry = RDMA_NLDEV_ATTR_STAT_COUNTER_ENTRY,
.id = RDMA_NLDEV_ATTR_STAT_COUNTER_ID,
},
+ [RDMA_RESTRACK_CTX] = {
+ .nldev_attr = RDMA_NLDEV_ATTR_RES_CTX,
+ .flags = NLDEV_PER_DEV,
+ .entry = RDMA_NLDEV_ATTR_RES_CTX_ENTRY,
+ .id = RDMA_NLDEV_ATTR_RES_CTXN,
+ },
+ [RDMA_RESTRACK_SRQ] = {
+ .nldev_attr = RDMA_NLDEV_ATTR_RES_SRQ,
+ .flags = NLDEV_PER_DEV,
+ .entry = RDMA_NLDEV_ATTR_RES_SRQ_ENTRY,
+ .id = RDMA_NLDEV_ATTR_RES_SRQN,
+ },
+
};
-static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
- struct netlink_ext_ack *extack,
- enum rdma_restrack_type res_type,
- res_fill_func_t fill_func)
+static noinline_for_stack int
+res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack,
+ enum rdma_restrack_type res_type,
+ res_fill_func_t fill_func)
{
const struct nldev_fill_res_entry *fe = &fill_entries[res_type];
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
@@ -1243,8 +1484,8 @@ static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct sk_buff *msg;
int ret;
- ret = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ ret = __nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, extack);
if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX] || !fe->id || !tb[fe->id])
return -EINVAL;
@@ -1281,10 +1522,11 @@ static int res_get_common_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
}
nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
- RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, fe->nldev_cmd),
+ RDMA_NL_GET_TYPE(RDMA_NL_NLDEV,
+ RDMA_NL_GET_OP(nlh->nlmsg_type)),
0, 0);
- if (fill_nldev_handle(msg, device)) {
+ if (!nlh || fill_nldev_handle(msg, device)) {
ret = -EMSGSIZE;
goto err_free;
}
@@ -1319,6 +1561,7 @@ static int res_get_common_dumpit(struct sk_buff *skb,
struct rdma_restrack_entry *res;
struct rdma_restrack_root *rt;
int err, ret = 0, idx = 0;
+ bool show_details = false;
struct nlattr *table_attr;
struct nlattr *entry_attr;
struct ib_device *device;
@@ -1329,8 +1572,8 @@ static int res_get_common_dumpit(struct sk_buff *skb,
u32 index, port = 0;
bool filled = false;
- err = nlmsg_parse_deprecated(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, NULL);
+ err = __nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, 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
@@ -1347,6 +1590,9 @@ static int res_get_common_dumpit(struct sk_buff *skb,
if (!device)
return -EINVAL;
+ if (tb[RDMA_NLDEV_ATTR_DRIVER_DETAILS])
+ show_details = nla_get_u8(tb[RDMA_NLDEV_ATTR_DRIVER_DETAILS]);
+
/*
* If no PORT_INDEX is supplied, we will return all QPs from that device
*/
@@ -1359,10 +1605,11 @@ static int res_get_common_dumpit(struct sk_buff *skb,
}
nlh = nlmsg_put(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq,
- RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, fe->nldev_cmd),
+ RDMA_NL_GET_TYPE(RDMA_NL_NLDEV,
+ RDMA_NL_GET_OP(cb->nlh->nlmsg_type)),
0, NLM_F_MULTI);
- if (fill_nldev_handle(skb, device)) {
+ if (!nlh || fill_nldev_handle(skb, device)) {
ret = -EMSGSIZE;
goto err;
}
@@ -1383,6 +1630,9 @@ static int res_get_common_dumpit(struct sk_buff *skb,
* objects.
*/
xa_for_each(&rt->xa, id, res) {
+ if (xa_get_mark(&rt->xa, res->id, RESTRACK_DD) && !show_details)
+ goto next;
+
if (idx < start || !rdma_restrack_get(res))
goto next;
@@ -1441,27 +1691,33 @@ err_index:
return ret;
}
-#define RES_GET_FUNCS(name, type) \
- static int nldev_res_get_##name##_dumpit(struct sk_buff *skb, \
+#define RES_GET_FUNCS(name, type) \
+ static int nldev_res_get_##name##_dumpit(struct sk_buff *skb, \
struct netlink_callback *cb) \
- { \
- return res_get_common_dumpit(skb, cb, type, \
- fill_res_##name##_entry); \
- } \
- static int nldev_res_get_##name##_doit(struct sk_buff *skb, \
- struct nlmsghdr *nlh, \
+ { \
+ return res_get_common_dumpit(skb, cb, type, \
+ fill_res_##name##_entry); \
+ } \
+ static int nldev_res_get_##name##_doit(struct sk_buff *skb, \
+ struct nlmsghdr *nlh, \
struct netlink_ext_ack *extack) \
- { \
- return res_get_common_doit(skb, nlh, extack, type, \
- fill_res_##name##_entry); \
+ { \
+ return res_get_common_doit(skb, nlh, extack, type, \
+ fill_res_##name##_entry); \
}
RES_GET_FUNCS(qp, RDMA_RESTRACK_QP);
+RES_GET_FUNCS(qp_raw, RDMA_RESTRACK_QP);
RES_GET_FUNCS(cm_id, RDMA_RESTRACK_CM_ID);
RES_GET_FUNCS(cq, RDMA_RESTRACK_CQ);
+RES_GET_FUNCS(cq_raw, RDMA_RESTRACK_CQ);
RES_GET_FUNCS(pd, RDMA_RESTRACK_PD);
RES_GET_FUNCS(mr, RDMA_RESTRACK_MR);
+RES_GET_FUNCS(mr_raw, RDMA_RESTRACK_MR);
RES_GET_FUNCS(counter, RDMA_RESTRACK_COUNTER);
+RES_GET_FUNCS(ctx, RDMA_RESTRACK_CTX);
+RES_GET_FUNCS(srq, RDMA_RESTRACK_SRQ);
+RES_GET_FUNCS(srq_raw, RDMA_RESTRACK_SRQ);
static LIST_HEAD(link_ops);
static DECLARE_RWSEM(link_ops_rwsem);
@@ -1509,19 +1765,19 @@ static int nldev_newlink(struct sk_buff *skb, struct nlmsghdr *nlh,
char type[IFNAMSIZ];
int err;
- err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse(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;
- nla_strlcpy(ibdev_name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
+ nla_strscpy(ibdev_name, tb[RDMA_NLDEV_ATTR_DEV_NAME],
sizeof(ibdev_name));
if (strchr(ibdev_name, '%') || strlen(ibdev_name) == 0)
return -EINVAL;
- nla_strlcpy(type, tb[RDMA_NLDEV_ATTR_LINK_TYPE], sizeof(type));
- nla_strlcpy(ndev_name, tb[RDMA_NLDEV_ATTR_NDEV_NAME],
+ nla_strscpy(type, tb[RDMA_NLDEV_ATTR_LINK_TYPE], sizeof(type));
+ nla_strscpy(ndev_name, tb[RDMA_NLDEV_ATTR_NDEV_NAME],
sizeof(ndev_name));
ndev = dev_get_by_name(sock_net(skb->sk), ndev_name);
@@ -1553,8 +1809,8 @@ static int nldev_dellink(struct sk_buff *skb, struct nlmsghdr *nlh,
u32 index;
int err;
- err = nlmsg_parse_deprecated(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
if (err || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
return -EINVAL;
@@ -1563,7 +1819,7 @@ static int nldev_dellink(struct sk_buff *skb, struct nlmsghdr *nlh,
if (!device)
return -EINVAL;
- if (!(device->attrs.device_cap_flags & IB_DEVICE_ALLOW_USER_UNREG)) {
+ if (!(device->attrs.kernel_cap_flags & IBK_ALLOW_USER_UNREG)) {
ib_device_put(device);
return -EINVAL;
}
@@ -1583,12 +1839,12 @@ static int nldev_get_chardev(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(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, nldev_policy,
+ NL_VALIDATE_LIBERAL, extack);
if (err || !tb[RDMA_NLDEV_ATTR_CHARDEV_TYPE])
return -EINVAL;
- nla_strlcpy(client_name, tb[RDMA_NLDEV_ATTR_CHARDEV_TYPE],
+ nla_strscpy(client_name, tb[RDMA_NLDEV_ATTR_CHARDEV_TYPE],
sizeof(client_name));
if (tb[RDMA_NLDEV_ATTR_DEV_INDEX]) {
@@ -1619,6 +1875,10 @@ static int nldev_get_chardev(struct sk_buff *skb, struct nlmsghdr *nlh,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV,
RDMA_NLDEV_CMD_GET_CHARDEV),
0, 0);
+ if (!nlh) {
+ err = -EMSGSIZE;
+ goto out_nlmsg;
+ }
data.nl_msg = msg;
err = ib_get_client_nl_info(ibdev, client_name, &data);
@@ -1663,8 +1923,8 @@ static int nldev_sys_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct sk_buff *msg;
int err;
- err = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ err = __nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, extack);
if (err)
return err;
@@ -1676,6 +1936,10 @@ static int nldev_sys_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV,
RDMA_NLDEV_CMD_SYS_GET),
0, 0);
+ if (!nlh) {
+ nlmsg_free(msg);
+ return -EMSGSIZE;
+ }
err = nla_put_u8(msg, RDMA_NLDEV_SYS_ATTR_NETNS_MODE,
(u8)ib_devices_shared_netns);
@@ -1683,49 +1947,196 @@ static int nldev_sys_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
nlmsg_free(msg);
return err;
}
+
+ err = nla_put_u8(msg, RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE,
+ (u8)privileged_qkey);
+ if (err) {
+ nlmsg_free(msg);
+ return err;
+ }
+
+ err = nla_put_u8(msg, RDMA_NLDEV_SYS_ATTR_MONITOR_MODE, 1);
+ if (err) {
+ nlmsg_free(msg);
+ return err;
+ }
+ /*
+ * Copy-on-fork is supported.
+ * See commits:
+ * 70e806e4e645 ("mm: Do early cow for pinned pages during fork() for ptes")
+ * 4eae4efa2c29 ("hugetlb: do early cow when page pinned on src mm")
+ * for more details. Don't backport this without them.
+ *
+ * Return value ignored on purpose, assume copy-on-fork is not
+ * supported in case of failure.
+ */
+ nla_put_u8(msg, RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK, 1);
+
nlmsg_end(msg, nlh);
return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid);
}
+static int nldev_set_sys_set_netns_doit(struct nlattr *tb[])
+{
+ u8 enable;
+ int err;
+
+ 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 int nldev_set_sys_set_pqkey_doit(struct nlattr *tb[])
+{
+ u8 enable;
+
+ enable = nla_get_u8(tb[RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE]);
+ /* Only 0 and 1 are supported */
+ if (enable > 1)
+ return -EINVAL;
+
+ privileged_qkey = enable;
+ return 0;
+}
+
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])
+ if (err)
return -EINVAL;
- enable = nla_get_u8(tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE]);
- /* Only 0 and 1 are supported */
- if (enable > 1)
+ if (tb[RDMA_NLDEV_SYS_ATTR_NETNS_MODE])
+ return nldev_set_sys_set_netns_doit(tb);
+
+ if (tb[RDMA_NLDEV_SYS_ATTR_PRIVILEGED_QKEY_MODE])
+ return nldev_set_sys_set_pqkey_doit(tb);
+
+ return -EINVAL;
+}
+
+
+static int nldev_stat_set_mode_doit(struct sk_buff *msg,
+ struct netlink_ext_ack *extack,
+ struct nlattr *tb[],
+ struct ib_device *device, u32 port)
+{
+ u32 mode, mask = 0, qpn, cntn = 0;
+ bool opcnt = false;
+ int ret;
+
+ /* Currently only counter for QP is supported */
+ if (!tb[RDMA_NLDEV_ATTR_STAT_RES] ||
+ nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_RES]) != RDMA_NLDEV_ATTR_RES_QP)
return -EINVAL;
- err = rdma_compatdev_set(enable);
- return err;
+ if (tb[RDMA_NLDEV_ATTR_STAT_OPCOUNTER_ENABLED])
+ opcnt = !!nla_get_u8(
+ tb[RDMA_NLDEV_ATTR_STAT_OPCOUNTER_ENABLED]);
+
+ mode = nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_MODE]);
+ if (mode == RDMA_COUNTER_MODE_AUTO) {
+ if (tb[RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK])
+ mask = nla_get_u32(
+ tb[RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK]);
+ return rdma_counter_set_auto_mode(device, port, mask, opcnt,
+ extack);
+ }
+
+ if (!tb[RDMA_NLDEV_ATTR_RES_LQPN])
+ return -EINVAL;
+
+ qpn = nla_get_u32(tb[RDMA_NLDEV_ATTR_RES_LQPN]);
+ if (tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]) {
+ cntn = nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]);
+ ret = rdma_counter_bind_qpn(device, port, qpn, cntn);
+ if (ret)
+ return ret;
+ } else {
+ ret = rdma_counter_bind_qpn_alloc(device, port, qpn, &cntn);
+ if (ret)
+ return ret;
+ }
+
+ if (nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_COUNTER_ID, cntn) ||
+ nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, qpn)) {
+ ret = -EMSGSIZE;
+ goto err_fill;
+ }
+
+ return 0;
+
+err_fill:
+ rdma_counter_unbind_qpn(device, port, qpn, cntn);
+ return ret;
+}
+
+static int nldev_stat_set_counter_dynamic_doit(struct nlattr *tb[],
+ struct ib_device *device,
+ u32 port)
+{
+ struct rdma_hw_stats *stats;
+ struct nlattr *entry_attr;
+ unsigned long *target;
+ int rem, i, ret = 0;
+ u32 index;
+
+ stats = ib_get_hw_stats_port(device, port);
+ if (!stats)
+ return -EINVAL;
+
+ target = kcalloc(BITS_TO_LONGS(stats->num_counters),
+ sizeof(*stats->is_disabled), GFP_KERNEL);
+ if (!target)
+ return -ENOMEM;
+
+ nla_for_each_nested(entry_attr, tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS],
+ rem) {
+ index = nla_get_u32(entry_attr);
+ if ((index >= stats->num_counters) ||
+ !(stats->descs[index].flags & IB_STAT_FLAG_OPTIONAL)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ set_bit(index, target);
+ }
+
+ for (i = 0; i < stats->num_counters; i++) {
+ if (!(stats->descs[i].flags & IB_STAT_FLAG_OPTIONAL))
+ continue;
+
+ ret = rdma_counter_modify(device, port, i, test_bit(i, target));
+ if (ret)
+ goto out;
+ }
+
+out:
+ kfree(target);
+ return ret;
}
static int nldev_stat_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct netlink_ext_ack *extack)
{
- u32 index, port, mode, mask = 0, qpn, cntn = 0;
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
struct ib_device *device;
struct sk_buff *msg;
+ u32 index, port;
int ret;
- ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
- /* Currently only counter for QP is supported */
- if (ret || !tb[RDMA_NLDEV_ATTR_STAT_RES] ||
- !tb[RDMA_NLDEV_ATTR_DEV_INDEX] ||
- !tb[RDMA_NLDEV_ATTR_PORT_INDEX] || !tb[RDMA_NLDEV_ATTR_STAT_MODE])
- return -EINVAL;
-
- if (nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_RES]) != RDMA_NLDEV_ATTR_RES_QP)
+ ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1, nldev_policy,
+ extack);
+ if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX] ||
+ !tb[RDMA_NLDEV_ATTR_PORT_INDEX])
return -EINVAL;
index = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
@@ -1736,61 +2147,49 @@ static int nldev_stat_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
if (!rdma_is_port_valid(device, port)) {
ret = -EINVAL;
- goto err;
+ goto err_put_device;
+ }
+
+ if (!tb[RDMA_NLDEV_ATTR_STAT_MODE] &&
+ !tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS]) {
+ ret = -EINVAL;
+ goto err_put_device;
}
msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg) {
ret = -ENOMEM;
- goto err;
+ goto err_put_device;
}
nlh = nlmsg_put(msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV,
RDMA_NLDEV_CMD_STAT_SET),
0, 0);
+ if (!nlh || fill_nldev_handle(msg, device) ||
+ nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port)) {
+ ret = -EMSGSIZE;
+ goto err_free_msg;
+ }
- mode = nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_MODE]);
- if (mode == RDMA_COUNTER_MODE_AUTO) {
- if (tb[RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK])
- mask = nla_get_u32(
- tb[RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK]);
-
- ret = rdma_counter_set_auto_mode(device, port,
- mask ? true : false, mask);
+ if (tb[RDMA_NLDEV_ATTR_STAT_MODE]) {
+ ret = nldev_stat_set_mode_doit(msg, extack, tb, device, port);
if (ret)
- goto err_msg;
- } else {
- if (!tb[RDMA_NLDEV_ATTR_RES_LQPN])
- goto err_msg;
- qpn = nla_get_u32(tb[RDMA_NLDEV_ATTR_RES_LQPN]);
- if (tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]) {
- cntn = nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]);
- ret = rdma_counter_bind_qpn(device, port, qpn, cntn);
- } else {
- ret = rdma_counter_bind_qpn_alloc(device, port,
- qpn, &cntn);
- }
- if (ret)
- goto err_msg;
+ goto err_free_msg;
+ }
- if (fill_nldev_handle(msg, device) ||
- nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port) ||
- nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_COUNTER_ID, cntn) ||
- nla_put_u32(msg, RDMA_NLDEV_ATTR_RES_LQPN, qpn)) {
- ret = -EMSGSIZE;
- goto err_fill;
- }
+ if (tb[RDMA_NLDEV_ATTR_STAT_HWCOUNTERS]) {
+ ret = nldev_stat_set_counter_dynamic_doit(tb, device, port);
+ if (ret)
+ goto err_free_msg;
}
nlmsg_end(msg, nlh);
ib_device_put(device);
return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid);
-err_fill:
- rdma_counter_unbind_qpn(device, port, qpn, cntn);
-err_msg:
+err_free_msg:
nlmsg_free(msg);
-err:
+err_put_device:
ib_device_put(device);
return ret;
}
@@ -1835,6 +2234,10 @@ static int nldev_stat_del_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV,
RDMA_NLDEV_CMD_STAT_SET),
0, 0);
+ if (!nlh) {
+ ret = -EMSGSIZE;
+ goto err_fill;
+ }
cntn = nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID]);
qpn = nla_get_u32(tb[RDMA_NLDEV_ATTR_RES_LQPN]);
@@ -1861,10 +2264,10 @@ err:
return ret;
}
-static int stat_get_doit_default_counter(struct sk_buff *skb,
- struct nlmsghdr *nlh,
- struct netlink_ext_ack *extack,
- struct nlattr *tb[])
+static noinline_for_stack int
+stat_get_doit_default_counter(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack,
+ struct nlattr *tb[])
{
struct rdma_hw_stats *stats;
struct nlattr *table_attr;
@@ -1882,13 +2285,14 @@ static int stat_get_doit_default_counter(struct sk_buff *skb,
if (!device)
return -EINVAL;
- if (!device->ops.alloc_hw_stats || !device->ops.get_hw_stats) {
+ if (!device->ops.alloc_hw_port_stats || !device->ops.get_hw_stats) {
ret = -EINVAL;
goto err;
}
port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
- if (!rdma_is_port_valid(device, port)) {
+ stats = ib_get_hw_stats_port(device, port);
+ if (!stats) {
ret = -EINVAL;
goto err;
}
@@ -1904,17 +2308,12 @@ static int stat_get_doit_default_counter(struct sk_buff *skb,
RDMA_NLDEV_CMD_STAT_GET),
0, 0);
- if (fill_nldev_handle(msg, device) ||
+ if (!nlh || fill_nldev_handle(msg, device) ||
nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port)) {
ret = -EMSGSIZE;
goto err_msg;
}
- stats = device->port_data ? device->port_data[port].hw_stats : NULL;
- if (stats == NULL) {
- ret = -EINVAL;
- goto err_msg;
- }
mutex_lock(&stats->lock);
num_cnts = device->ops.get_hw_stats(device, stats, port, 0);
@@ -1929,9 +2328,13 @@ static int stat_get_doit_default_counter(struct sk_buff *skb,
goto err_stats;
}
for (i = 0; i < num_cnts; i++) {
+ if (test_bit(i, stats->is_disabled))
+ continue;
+
v = stats->value[i] +
rdma_counter_get_hwstat_value(device, port, i);
- if (rdma_nl_stat_hwcounter_entry(msg, stats->names[i], v)) {
+ if (rdma_nl_stat_hwcounter_entry(msg,
+ stats->descs[i].name, v)) {
ret = -EMSGSIZE;
goto err_table;
}
@@ -1954,8 +2357,9 @@ err:
return ret;
}
-static int stat_get_doit_qp(struct sk_buff *skb, struct nlmsghdr *nlh,
- struct netlink_ext_ack *extack, struct nlattr *tb[])
+static noinline_for_stack int
+stat_get_doit_qp(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack, struct nlattr *tb[])
{
static enum rdma_nl_counter_mode mode;
@@ -1963,6 +2367,7 @@ static int stat_get_doit_qp(struct sk_buff *skb, struct nlmsghdr *nlh,
struct ib_device *device;
struct sk_buff *msg;
u32 index, port;
+ bool opcnt;
int ret;
if (tb[RDMA_NLDEV_ATTR_STAT_COUNTER_ID])
@@ -1993,8 +2398,12 @@ static int stat_get_doit_qp(struct sk_buff *skb, struct nlmsghdr *nlh,
RDMA_NL_GET_TYPE(RDMA_NL_NLDEV,
RDMA_NLDEV_CMD_STAT_GET),
0, 0);
+ if (!nlh) {
+ ret = -EMSGSIZE;
+ goto err_msg;
+ }
- ret = rdma_counter_get_mode(device, port, &mode, &mask);
+ ret = rdma_counter_get_mode(device, port, &mode, &mask, &opcnt);
if (ret)
goto err_msg;
@@ -2011,6 +2420,12 @@ static int stat_get_doit_qp(struct sk_buff *skb, struct nlmsghdr *nlh,
goto err_msg;
}
+ if ((mode == RDMA_COUNTER_MODE_AUTO) &&
+ nla_put_u8(msg, RDMA_NLDEV_ATTR_STAT_OPCOUNTER_ENABLED, opcnt)) {
+ ret = -EMSGSIZE;
+ goto err_msg;
+ }
+
nlmsg_end(msg, nlh);
ib_device_put(device);
return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid);
@@ -2028,8 +2443,8 @@ static int nldev_stat_get_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
int ret;
- ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, extack);
+ ret = __nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, extack);
if (ret)
return -EINVAL;
@@ -2058,8 +2473,8 @@ static int nldev_stat_get_dumpit(struct sk_buff *skb,
struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
int ret;
- ret = nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
- nldev_policy, NULL);
+ ret = __nlmsg_parse(cb->nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, NULL);
if (ret || !tb[RDMA_NLDEV_ATTR_STAT_RES])
return -EINVAL;
@@ -2079,6 +2494,149 @@ static int nldev_stat_get_dumpit(struct sk_buff *skb,
return ret;
}
+static int nldev_stat_get_counter_status_doit(struct sk_buff *skb,
+ struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[RDMA_NLDEV_ATTR_MAX], *table, *entry;
+ struct rdma_hw_stats *stats;
+ struct ib_device *device;
+ struct sk_buff *msg;
+ u32 devid, port;
+ int ret, i;
+
+ ret = __nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, NL_VALIDATE_LIBERAL, extack);
+ if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX] ||
+ !tb[RDMA_NLDEV_ATTR_PORT_INDEX])
+ return -EINVAL;
+
+ devid = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+ device = ib_device_get_by_index(sock_net(skb->sk), devid);
+ if (!device)
+ return -EINVAL;
+
+ port = nla_get_u32(tb[RDMA_NLDEV_ATTR_PORT_INDEX]);
+ if (!rdma_is_port_valid(device, port)) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ stats = ib_get_hw_stats_port(device, port);
+ if (!stats) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!msg) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ nlh = nlmsg_put(
+ msg, NETLINK_CB(skb).portid, nlh->nlmsg_seq,
+ RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_STAT_GET_STATUS),
+ 0, 0);
+
+ ret = -EMSGSIZE;
+ if (!nlh || fill_nldev_handle(msg, device) ||
+ nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port))
+ goto err_msg;
+
+ table = nla_nest_start(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTERS);
+ if (!table)
+ goto err_msg;
+
+ mutex_lock(&stats->lock);
+ for (i = 0; i < stats->num_counters; i++) {
+ entry = nla_nest_start(msg,
+ RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY);
+ if (!entry)
+ goto err_msg_table;
+
+ if (nla_put_string(msg,
+ RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME,
+ stats->descs[i].name) ||
+ nla_put_u32(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX, i))
+ goto err_msg_entry;
+
+ if ((stats->descs[i].flags & IB_STAT_FLAG_OPTIONAL) &&
+ (nla_put_u8(msg, RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC,
+ !test_bit(i, stats->is_disabled))))
+ goto err_msg_entry;
+
+ nla_nest_end(msg, entry);
+ }
+ mutex_unlock(&stats->lock);
+
+ nla_nest_end(msg, table);
+ nlmsg_end(msg, nlh);
+ ib_device_put(device);
+ return rdma_nl_unicast(sock_net(skb->sk), msg, NETLINK_CB(skb).portid);
+
+err_msg_entry:
+ nla_nest_cancel(msg, entry);
+err_msg_table:
+ mutex_unlock(&stats->lock);
+ nla_nest_cancel(msg, table);
+err_msg:
+ nlmsg_free(msg);
+err:
+ ib_device_put(device);
+ return ret;
+}
+
+static int nldev_newdev(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
+ enum rdma_nl_dev_type type;
+ struct ib_device *parent;
+ char name[IFNAMSIZ] = {};
+ u32 parentid;
+ int ret;
+
+ ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
+ if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX] ||
+ !tb[RDMA_NLDEV_ATTR_DEV_NAME] || !tb[RDMA_NLDEV_ATTR_DEV_TYPE])
+ return -EINVAL;
+
+ nla_strscpy(name, tb[RDMA_NLDEV_ATTR_DEV_NAME], sizeof(name));
+ type = nla_get_u8(tb[RDMA_NLDEV_ATTR_DEV_TYPE]);
+ parentid = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+ parent = ib_device_get_by_index(sock_net(skb->sk), parentid);
+ if (!parent)
+ return -EINVAL;
+
+ ret = ib_add_sub_device(parent, type, name);
+ ib_device_put(parent);
+
+ return ret;
+}
+
+static int nldev_deldev(struct sk_buff *skb, struct nlmsghdr *nlh,
+ struct netlink_ext_ack *extack)
+{
+ struct nlattr *tb[RDMA_NLDEV_ATTR_MAX];
+ struct ib_device *device;
+ u32 devid;
+ int ret;
+
+ ret = nlmsg_parse(nlh, 0, tb, RDMA_NLDEV_ATTR_MAX - 1,
+ nldev_policy, extack);
+ if (ret || !tb[RDMA_NLDEV_ATTR_DEV_INDEX])
+ return -EINVAL;
+
+ devid = nla_get_u32(tb[RDMA_NLDEV_ATTR_DEV_INDEX]);
+ device = ib_device_get_by_index(sock_net(skb->sk), devid);
+ if (!device)
+ return -EINVAL;
+
+ return ib_del_sub_device_and_put(device);
+}
+
static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = {
[RDMA_NLDEV_CMD_GET] = {
.doit = nldev_get_doit,
@@ -2127,11 +2685,20 @@ 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_RES_CTX_GET] = {
+ .doit = nldev_res_get_ctx_doit,
+ .dump = nldev_res_get_ctx_dumpit,
+ },
+ [RDMA_NLDEV_CMD_RES_SRQ_GET] = {
+ .doit = nldev_res_get_srq_doit,
+ .dump = nldev_res_get_srq_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,
},
[RDMA_NLDEV_CMD_STAT_SET] = {
.doit = nldev_stat_set_doit,
@@ -2145,14 +2712,207 @@ static const struct rdma_nl_cbs nldev_cb_table[RDMA_NLDEV_NUM_OPS] = {
.doit = nldev_stat_del_doit,
.flags = RDMA_NL_ADMIN_PERM,
},
+ [RDMA_NLDEV_CMD_RES_QP_GET_RAW] = {
+ .doit = nldev_res_get_qp_raw_doit,
+ .dump = nldev_res_get_qp_raw_dumpit,
+ .flags = RDMA_NL_ADMIN_PERM,
+ },
+ [RDMA_NLDEV_CMD_RES_CQ_GET_RAW] = {
+ .doit = nldev_res_get_cq_raw_doit,
+ .dump = nldev_res_get_cq_raw_dumpit,
+ .flags = RDMA_NL_ADMIN_PERM,
+ },
+ [RDMA_NLDEV_CMD_RES_MR_GET_RAW] = {
+ .doit = nldev_res_get_mr_raw_doit,
+ .dump = nldev_res_get_mr_raw_dumpit,
+ .flags = RDMA_NL_ADMIN_PERM,
+ },
+ [RDMA_NLDEV_CMD_RES_SRQ_GET_RAW] = {
+ .doit = nldev_res_get_srq_raw_doit,
+ .dump = nldev_res_get_srq_raw_dumpit,
+ .flags = RDMA_NL_ADMIN_PERM,
+ },
+ [RDMA_NLDEV_CMD_STAT_GET_STATUS] = {
+ .doit = nldev_stat_get_counter_status_doit,
+ },
+ [RDMA_NLDEV_CMD_NEWDEV] = {
+ .doit = nldev_newdev,
+ .flags = RDMA_NL_ADMIN_PERM,
+ },
+ [RDMA_NLDEV_CMD_DELDEV] = {
+ .doit = nldev_deldev,
+ .flags = RDMA_NL_ADMIN_PERM,
+ },
};
+static int fill_mon_netdev_rename(struct sk_buff *msg,
+ struct ib_device *device, u32 port,
+ const struct net *net)
+{
+ struct net_device *netdev = ib_device_get_netdev(device, port);
+ int ret = 0;
+
+ if (!netdev || !net_eq(dev_net(netdev), net))
+ goto out;
+
+ ret = nla_put_u32(msg, RDMA_NLDEV_ATTR_NDEV_INDEX, netdev->ifindex);
+ if (ret)
+ goto out;
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_NDEV_NAME, netdev->name);
+out:
+ dev_put(netdev);
+ return ret;
+}
+
+static int fill_mon_netdev_association(struct sk_buff *msg,
+ struct ib_device *device, u32 port,
+ const struct net *net)
+{
+ struct net_device *netdev = ib_device_get_netdev(device, port);
+ int ret = 0;
+
+ if (netdev && !net_eq(dev_net(netdev), net))
+ goto out;
+
+ ret = nla_put_u32(msg, RDMA_NLDEV_ATTR_DEV_INDEX, device->index);
+ if (ret)
+ goto out;
+
+ ret = nla_put_string(msg, RDMA_NLDEV_ATTR_DEV_NAME,
+ dev_name(&device->dev));
+ if (ret)
+ goto out;
+
+ ret = nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port);
+ if (ret)
+ goto out;
+
+ if (netdev) {
+ ret = nla_put_u32(msg,
+ RDMA_NLDEV_ATTR_NDEV_INDEX, netdev->ifindex);
+ if (ret)
+ goto out;
+
+ ret = nla_put_string(msg,
+ RDMA_NLDEV_ATTR_NDEV_NAME, netdev->name);
+ }
+
+out:
+ dev_put(netdev);
+ return ret;
+}
+
+static void rdma_nl_notify_err_msg(struct ib_device *device, u32 port_num,
+ enum rdma_nl_notify_event_type type)
+{
+ struct net_device *netdev;
+
+ switch (type) {
+ case RDMA_REGISTER_EVENT:
+ dev_warn_ratelimited(&device->dev,
+ "Failed to send RDMA monitor register device event\n");
+ break;
+ case RDMA_UNREGISTER_EVENT:
+ dev_warn_ratelimited(&device->dev,
+ "Failed to send RDMA monitor unregister device event\n");
+ break;
+ case RDMA_NETDEV_ATTACH_EVENT:
+ netdev = ib_device_get_netdev(device, port_num);
+ dev_warn_ratelimited(&device->dev,
+ "Failed to send RDMA monitor netdev attach event: port %d netdev %d\n",
+ port_num, netdev->ifindex);
+ dev_put(netdev);
+ break;
+ case RDMA_NETDEV_DETACH_EVENT:
+ dev_warn_ratelimited(&device->dev,
+ "Failed to send RDMA monitor netdev detach event: port %d\n",
+ port_num);
+ break;
+ case RDMA_RENAME_EVENT:
+ dev_warn_ratelimited(&device->dev,
+ "Failed to send RDMA monitor rename device event\n");
+ break;
+
+ case RDMA_NETDEV_RENAME_EVENT:
+ netdev = ib_device_get_netdev(device, port_num);
+ dev_warn_ratelimited(&device->dev,
+ "Failed to send RDMA monitor netdev rename event: port %d netdev %d\n",
+ port_num, netdev->ifindex);
+ dev_put(netdev);
+ break;
+ default:
+ break;
+ }
+}
+
+int rdma_nl_notify_event(struct ib_device *device, u32 port_num,
+ enum rdma_nl_notify_event_type type)
+{
+ struct sk_buff *skb;
+ int ret = -EMSGSIZE;
+ struct net *net;
+ void *nlh;
+
+ net = read_pnet(&device->coredev.rdma_net);
+ if (!net)
+ return -EINVAL;
+
+ skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+ nlh = nlmsg_put(skb, 0, 0,
+ RDMA_NL_GET_TYPE(RDMA_NL_NLDEV, RDMA_NLDEV_CMD_MONITOR),
+ 0, 0);
+ if (!nlh)
+ goto err_free;
+
+ switch (type) {
+ case RDMA_REGISTER_EVENT:
+ case RDMA_UNREGISTER_EVENT:
+ case RDMA_RENAME_EVENT:
+ ret = fill_nldev_handle(skb, device);
+ if (ret)
+ goto err_free;
+ break;
+ case RDMA_NETDEV_ATTACH_EVENT:
+ case RDMA_NETDEV_DETACH_EVENT:
+ ret = fill_mon_netdev_association(skb, device, port_num, net);
+ if (ret)
+ goto err_free;
+ break;
+ case RDMA_NETDEV_RENAME_EVENT:
+ ret = fill_mon_netdev_rename(skb, device, port_num, net);
+ if (ret)
+ goto err_free;
+ break;
+ default:
+ break;
+ }
+
+ ret = nla_put_u8(skb, RDMA_NLDEV_ATTR_EVENT_TYPE, type);
+ if (ret)
+ goto err_free;
+
+ nlmsg_end(skb, nlh);
+ ret = rdma_nl_multicast(net, skb, RDMA_NL_GROUP_NOTIFY, GFP_KERNEL);
+ if (ret && ret != -ESRCH) {
+ skb = NULL; /* skb is freed in the netlink send-op handling */
+ goto err_free;
+ }
+ return 0;
+
+err_free:
+ rdma_nl_notify_err_msg(device, port_num, type);
+ nlmsg_free(skb);
+ return ret;
+}
+
void __init nldev_init(void)
{
rdma_nl_register(RDMA_NL_NLDEV, nldev_cb_table);
}
-void __exit nldev_exit(void)
+void nldev_exit(void)
{
rdma_nl_unregister(RDMA_NL_NLDEV);
}
generated by cgit (git 2.34.1) at 2025-12-25 11:32:03 +0000