tree 078edaea66512bc65011d3fcf1dead7ec8df405a
parent 2d7a892626b5616a00d27a40fa23d70d5e618269
author David Howells <dhowells@redhat.com> 1474500571 +0100
committer David Howells <dhowells@redhat.com> 1474503830 +0100

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>