Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* MCTP per-net structures
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*/
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#ifndef __NETNS_MCTP_H__
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#define __NETNS_MCTP_H__
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#include <linux/hash.h>
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#include <linux/hashtable.h>
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#include <linux/mutex.h>
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#include <linux/types.h>
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#define MCTP_BINDS_BITS 7
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struct netns_mctp {
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/* Only updated under RTNL, entries freed via RCU */
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struct list_head routes;
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/* Bound sockets: hash table of sockets, keyed by
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* (type, src_eid, dest_eid).
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* Specific src_eid/dest_eid entries also have an entry for
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* MCTP_ADDR_ANY. This list is updated from non-atomic contexts
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* (under bind_lock), and read (under rcu) in packet rx.
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*/
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struct mutex bind_lock;
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DECLARE_HASHTABLE(binds, MCTP_BINDS_BITS);
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/* tag allocations. This list is read and updated from atomic contexts,
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* but elements are free()ed after a RCU grace-period
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*/
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spinlock_t keys_lock;
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struct hlist_head keys;
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/* MCTP network */
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unsigned int default_net;
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/* neighbour table */
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struct mutex neigh_lock;
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struct list_head neighbours;
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};
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static inline u32 mctp_bind_hash(u8 type, u8 local_addr, u8 peer_addr)
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{
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return hash_32(type | (u32)local_addr << 8 | (u32)peer_addr << 16,
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MCTP_BINDS_BITS);
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}
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#endif /* __NETNS_MCTP_H__ */
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