1WIMAX_MSG_ALLOC(9)             Linux Networking             WIMAX_MSG_ALLOC(9)
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NAME

6       wimax_msg_alloc - Create a new skb for sending a message to userspace
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SYNOPSIS

9       struct sk_buff * wimax_msg_alloc(struct wimax_dev * wimax_dev,
10                                        const char * pipe_name,
11                                        const void * msg, size_t size,
12                                        gfp_t gfp_flags);
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ARGUMENTS

15       wimax_dev
16           WiMAX device descriptor
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18       pipe_name
19           "named pipe" the message will be sent to
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21       msg
22           pointer to the message data to send
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24       size
25           size of the message to send (in bytes), including the header.
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27       gfp_flags
28           flags for memory allocation.
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RETURNS

31       0 if ok, negative errno code on error
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DESCRIPTION

34       Allocates an skb that will contain the message to send to user space
35       over the messaging pipe and initializes it, copying the payload.
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37       Once this call is done, you can deliver it with wimax_msg_send.
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IMPORTANT

40       Don't use skb_push/skb_pull/skb_reserve on the skb, as wimax_msg_send
41       depends on skb->data being placed at the beginning of the user message.
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43       Unlike other WiMAX stack calls, this call can be used way early, even
44       before wimax_dev_add is called, as long as the wimax_dev->net_dev
45       pointer is set to point to a proper net_dev. This is so that drivers
46       can use it early in case they need to send stuff around or communicate
47       with user space.
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50Kernel Hackers Manual 3.10         June 2019                WIMAX_MSG_ALLOC(9)
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