diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h new file mode 100644 index 000000000..2b033060f --- /dev/null +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map.h @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (c) 2013-2018, 2021, The Linux Foundation. All rights reserved. + */ + +#ifndef _RMNET_MAP_H_ +#define _RMNET_MAP_H_ +#include <linux/if_rmnet.h> + +struct rmnet_map_control_command { + u8 command_name; + u8 cmd_type:2; + u8 reserved:6; + u16 reserved2; + u32 transaction_id; + union { + struct { + u16 ip_family:2; + u16 reserved:14; + __be16 flow_control_seq_num; + __be32 qos_id; + } flow_control; + DECLARE_FLEX_ARRAY(u8, data); + }; +} __aligned(1); + +enum rmnet_map_commands { + RMNET_MAP_COMMAND_NONE, + RMNET_MAP_COMMAND_FLOW_DISABLE, + RMNET_MAP_COMMAND_FLOW_ENABLE, + /* These should always be the last 2 elements */ + RMNET_MAP_COMMAND_UNKNOWN, + RMNET_MAP_COMMAND_ENUM_LENGTH +}; + +#define RMNET_MAP_COMMAND_REQUEST 0 +#define RMNET_MAP_COMMAND_ACK 1 +#define RMNET_MAP_COMMAND_UNSUPPORTED 2 +#define RMNET_MAP_COMMAND_INVALID 3 + +#define RMNET_MAP_NO_PAD_BYTES 0 +#define RMNET_MAP_ADD_PAD_BYTES 1 + +struct sk_buff *rmnet_map_deaggregate(struct sk_buff *skb, + struct rmnet_port *port); +struct rmnet_map_header *rmnet_map_add_map_header(struct sk_buff *skb, + int hdrlen, + struct rmnet_port *port, + int pad); +void rmnet_map_command(struct sk_buff *skb, struct rmnet_port *port); +int rmnet_map_checksum_downlink_packet(struct sk_buff *skb, u16 len); +void rmnet_map_checksum_uplink_packet(struct sk_buff *skb, + struct rmnet_port *port, + struct net_device *orig_dev, + int csum_type); +int rmnet_map_process_next_hdr_packet(struct sk_buff *skb, u16 len); + +#endif /* _RMNET_MAP_H_ */ |