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72858c7b77
This little dance of mnl_socket_open(), option setting, and bind, is the same regardless of tool. Extract into a new module that should hold helpers for working with libmnl, mnl_util.c. Signed-off-by: Petr Machata <me@pmachata.org> Signed-off-by: David Ahern <dsahern@gmail.com>
31 lines
554 B
C
31 lines
554 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* mnl_utils.c Helpers for working with libmnl.
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*/
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#include <libmnl/libmnl.h>
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#include "mnl_utils.h"
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struct mnl_socket *mnlu_socket_open(int bus)
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{
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struct mnl_socket *nl;
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int one = 1;
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nl = mnl_socket_open(bus);
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if (nl == NULL)
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return NULL;
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mnl_socket_setsockopt(nl, NETLINK_CAP_ACK, &one, sizeof(one));
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mnl_socket_setsockopt(nl, NETLINK_EXT_ACK, &one, sizeof(one));
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if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0)
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goto err_bind;
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return nl;
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err_bind:
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mnl_socket_close(nl);
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return NULL;
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}
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