1 #ifndef _RDMA_NETLINK_H 2 #define _RDMA_NETLINK_H 3 4 #include <linux/types.h> 5 6 enum { 7 RDMA_NL_RDMA_CM = 1 8 }; 9 10 #define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10) 11 #define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1)) 12 #define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op) 13 14 enum { 15 RDMA_NL_RDMA_CM_ID_STATS = 0, 16 RDMA_NL_RDMA_CM_NUM_OPS 17 }; 18 19 enum { 20 RDMA_NL_RDMA_CM_ATTR_SRC_ADDR = 1, 21 RDMA_NL_RDMA_CM_ATTR_DST_ADDR, 22 RDMA_NL_RDMA_CM_NUM_ATTR, 23 }; 24 25 struct rdma_cm_id_stats { 26 __u32 qp_num; 27 __u32 bound_dev_if; 28 __u32 port_space; 29 __s32 pid; 30 __u8 cm_state; 31 __u8 node_type; 32 __u8 port_num; 33 __u8 qp_type; 34 }; 35 36 #ifdef __KERNEL__ 37 38 #include <linux/netlink.h> 39 40 struct ibnl_client_cbs { 41 int (*dump)(struct sk_buff *skb, struct netlink_callback *nlcb); 42 }; 43 44 int ibnl_init(void); 45 void ibnl_cleanup(void); 46 47 /** 48 * Add a a client to the list of IB netlink exporters. 49 * @index: Index of the added client 50 * @nops: Number of supported ops by the added client. 51 * @cb_table: A table for op->callback 52 * 53 * Returns 0 on success or a negative error code. 54 */ 55 int ibnl_add_client(int index, int nops, 56 const struct ibnl_client_cbs cb_table[]); 57 58 /** 59 * Remove a client from IB netlink. 60 * @index: Index of the removed IB client. 61 * 62 * Returns 0 on success or a negative error code. 63 */ 64 int ibnl_remove_client(int index); 65 66 /** 67 * Put a new message in a supplied skb. 68 * @skb: The netlink skb. 69 * @nlh: Pointer to put the header of the new netlink message. 70 * @seq: The message sequence number. 71 * @len: The requested message length to allocate. 72 * @client: Calling IB netlink client. 73 * @op: message content op. 74 * Returns the allocated buffer on success and NULL on failure. 75 */ 76 void *ibnl_put_msg(struct sk_buff *skb, struct nlmsghdr **nlh, int seq, 77 int len, int client, int op); 78 /** 79 * Put a new attribute in a supplied skb. 80 * @skb: The netlink skb. 81 * @nlh: Header of the netlink message to append the attribute to. 82 * @len: The length of the attribute data. 83 * @data: The attribute data to put. 84 * @type: The attribute type. 85 * Returns the 0 and a negative error code on failure. 86 */ 87 int ibnl_put_attr(struct sk_buff *skb, struct nlmsghdr *nlh, 88 int len, void *data, int type); 89 90 #endif /* __KERNEL__ */ 91 92 #endif /* _RDMA_NETLINK_H */ 93