diff options
author | Aharon Landau <aharonl@nvidia.com> | 2021-10-08 15:24:34 +0300 |
---|---|---|
committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-10-12 12:48:05 -0300 |
commit | 822cf785ac6d9120386f59964d6d029f3f04a8e3 (patch) | |
tree | 3023139e5ca12622ef78b85da90f0b46200efc9f | |
parent | 7301d0a9834c7f1f0c91c1f0a46c7b191b1fd0da (diff) | |
download | linux-822cf785ac6d9120386f59964d6d029f3f04a8e3.tar.bz2 |
RDMA/nldev: Split nldev_stat_set_mode_doit out of nldev_stat_set_doit
In order to allow expansion of the set command with more set options, take
the set mode out of the main set function.
Link: https://lore.kernel.org/r/20211008122439.166063-9-markzhang@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
-rw-r--r-- | drivers/infiniband/core/nldev.c | 116 |
1 files changed, 70 insertions, 46 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 210057fef7bd..8361eb08e13b 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -1897,24 +1897,67 @@ static int nldev_set_sys_set_doit(struct sk_buff *skb, struct nlmsghdr *nlh, return err; } +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; + int ret; + + /* Currently only counter for QP is supported */ + if (nla_get_u32(tb[RDMA_NLDEV_ATTR_STAT_RES]) != RDMA_NLDEV_ATTR_RES_QP) + return -EINVAL; + + 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, 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_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]); @@ -1925,59 +1968,40 @@ 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]) { + 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); - - 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, extack); - 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; - - 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 (fill_nldev_handle(msg, device) || + nla_put_u32(msg, RDMA_NLDEV_ATTR_PORT_INDEX, port)) { + ret = -EMSGSIZE; + goto err_free_msg; } + ret = nldev_stat_set_mode_doit(msg, extack, 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; } |