diff options
Diffstat (limited to 'include/net')
| -rw-r--r-- | include/net/mctp.h | 14 | ||||
| -rw-r--r-- | include/net/mctpdevice.h | 35 |
2 files changed, 49 insertions, 0 deletions
diff --git a/include/net/mctp.h b/include/net/mctp.h index 4c01e083be45..61452e03aa85 100644 --- a/include/net/mctp.h +++ b/include/net/mctp.h @@ -10,6 +10,7 @@ #define __NET_MCTP_H #include <linux/bits.h> +#include <linux/mctp.h> /* MCTP packet definitions */ struct mctp_hdr { @@ -32,4 +33,17 @@ struct mctp_hdr { #define MCTP_HDR_TAG_SHIFT 0 #define MCTP_HDR_TAG_MASK GENMASK(2, 0) +static inline bool mctp_address_ok(mctp_eid_t eid) +{ + return eid >= 8 && eid < 255; +} + +static inline struct mctp_hdr *mctp_hdr(struct sk_buff *skb) +{ + return (struct mctp_hdr *)skb_network_header(skb); +} + +void mctp_device_init(void); +void mctp_device_exit(void); + #endif /* __NET_MCTP_H */ diff --git a/include/net/mctpdevice.h b/include/net/mctpdevice.h new file mode 100644 index 000000000000..71a11012fac7 --- /dev/null +++ b/include/net/mctpdevice.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Management Component Transport Protocol (MCTP) - device + * definitions. + * + * Copyright (c) 2021 Code Construct + * Copyright (c) 2021 Google + */ + +#ifndef __NET_MCTPDEVICE_H +#define __NET_MCTPDEVICE_H + +#include <linux/list.h> +#include <linux/types.h> +#include <linux/refcount.h> + +struct mctp_dev { + struct net_device *dev; + + unsigned int net; + + /* Only modified under RTNL. Reads have addrs_lock held */ + u8 *addrs; + size_t num_addrs; + spinlock_t addrs_lock; + + struct rcu_head rcu; +}; + +#define MCTP_INITIAL_DEFAULT_NET 1 + +struct mctp_dev *mctp_dev_get_rtnl(const struct net_device *dev); +struct mctp_dev *__mctp_dev_get(const struct net_device *dev); + +#endif /* __NET_MCTPDEVICE_H */ |