David Howells 5a924b8951 rxrpc: Don't store the rxrpc header in the Tx queue sk_buffs ...

Don't store the rxrpc protocol header in sk_buffs on the transmit queue,
but rather generate it on the fly and pass it to kernel_sendmsg() as a
separate iov.  This reduces the amount of storage required.

Note that the security header is still stored in the sk_buff as it may get
encrypted along with the data (and doesn't change with each transmission).

Signed-off-by: David Howells <dhowells@redhat.com>

2016-09-22 01:23:50 +01:00

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