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c4572a465b
Enrich rdmatool with an option to query rdma subsystem parameter whether rdma devices are shared among multiple network namespaces or exclusive to single network namespace. rdma tool command examples and output. $ rdma system show netns shared $ rdma system set netns exclusive $ rdma system show netns exclusive Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: David Ahern <dsahern@gmail.com>
141 lines
3.4 KiB
C
141 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/*
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* rdma.c RDMA tool
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* Authors: Leon Romanovsky <leonro@mellanox.com>
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*/
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#ifndef _RDMA_TOOL_H_
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#define _RDMA_TOOL_H_
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <getopt.h>
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#include <netinet/in.h>
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#include <libmnl/libmnl.h>
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#include <rdma/rdma_netlink.h>
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#include <rdma/rdma_user_cm.h>
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#include <time.h>
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#include <net/if_arp.h>
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#include "list.h"
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#include "utils.h"
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#include "json_writer.h"
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#define pr_err(args...) fprintf(stderr, ##args)
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#define pr_out(args...) fprintf(stdout, ##args)
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#define RDMA_BITMAP_ENUM(name, bit_no) RDMA_BITMAP_##name = BIT(bit_no),
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#define RDMA_BITMAP_NAMES(name, bit_no) [bit_no] = #name,
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#define MAX_NUMBER_OF_FILTERS 64
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struct filters {
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const char *name;
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uint8_t is_number:1;
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uint8_t is_doit:1;
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};
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struct filter_entry {
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struct list_head list;
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char *key;
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char *value;
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/*
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* This field menas that we can try to issue .doit calback
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* on value above. This value can be converted to integer
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* with simple atoi(). Otherwise "is_doit" will be false.
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*/
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uint8_t is_doit:1;
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};
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struct dev_map {
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struct list_head list;
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char *dev_name;
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uint32_t num_ports;
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uint32_t idx;
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};
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struct rd {
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int argc;
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char **argv;
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char *filename;
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bool show_details;
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bool show_driver_details;
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struct list_head dev_map_list;
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uint32_t dev_idx;
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uint32_t port_idx;
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struct mnl_socket *nl;
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struct nlmsghdr *nlh;
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char *buff;
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json_writer_t *jw;
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bool json_output;
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bool pretty_output;
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bool suppress_errors;
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struct list_head filter_list;
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char *link_name;
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char *link_type;
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};
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struct rd_cmd {
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const char *cmd;
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int (*func)(struct rd *rd);
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};
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/*
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* Parser interface
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*/
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bool rd_no_arg(struct rd *rd);
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void rd_arg_inc(struct rd *rd);
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char *rd_argv(struct rd *rd);
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/*
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* Commands interface
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*/
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int cmd_dev(struct rd *rd);
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int cmd_link(struct rd *rd);
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int cmd_res(struct rd *rd);
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int cmd_sys(struct rd *rd);
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int rd_exec_cmd(struct rd *rd, const struct rd_cmd *c, const char *str);
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int rd_exec_dev(struct rd *rd, int (*cb)(struct rd *rd));
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int rd_exec_require_dev(struct rd *rd, int (*cb)(struct rd *rd));
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int rd_exec_link(struct rd *rd, int (*cb)(struct rd *rd), bool strict_port);
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void rd_free(struct rd *rd);
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int rd_set_arg_to_devname(struct rd *rd);
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int rd_argc(struct rd *rd);
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int strcmpx(const char *str1, const char *str2);
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/*
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* Device manipulation
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*/
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struct dev_map *dev_map_lookup(struct rd *rd, bool allow_port_index);
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/*
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* Filter manipulation
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*/
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bool rd_doit_index(struct rd *rd, uint32_t *idx);
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int rd_build_filter(struct rd *rd, const struct filters valid_filters[]);
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bool rd_is_filtered_attr(struct rd *rd, const char *key, uint32_t val,
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struct nlattr *attr);
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bool rd_is_string_filtered_attr(struct rd *rd, const char *key, const char *val,
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struct nlattr *attr);
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/*
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* Netlink
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*/
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int rd_send_msg(struct rd *rd);
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int rd_recv_msg(struct rd *rd, mnl_cb_t callback, void *data, uint32_t seq);
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int rd_sendrecv_msg(struct rd *rd, unsigned int seq);
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void rd_prepare_msg(struct rd *rd, uint32_t cmd, uint32_t *seq, uint16_t flags);
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int rd_dev_init_cb(const struct nlmsghdr *nlh, void *data);
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int rd_attr_cb(const struct nlattr *attr, void *data);
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int rd_attr_check(const struct nlattr *attr, int *typep);
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/*
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* Print helpers
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*/
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void print_driver_table(struct rd *rd, struct nlattr *tb);
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void newline(struct rd *rd);
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void newline_indent(struct rd *rd);
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#define MAX_LINE_LENGTH 80
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#endif /* _RDMA_TOOL_H_ */
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