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4336c5821a
Add new 'link' subcommand 'add' and 'delete' to allow binding a soft-rdma device to a netdev interface. EG: rdma link add rxe_eth0 type rxe netdev eth0 rdma link delete rxe_eth0 Signed-off-by: Steve Wise <larrystevenwise@gmail.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David Ahern <dsahern@gmail.com>
140 lines
3.3 KiB
C
140 lines
3.3 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 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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