From: Vakul Garg
Date: Wed, 26 Sep 2018 16:22:08 +0530
> Structure 'tls_rec' contains sg_aead_in and sg_aead_out which point
> to a aad_space and then chain scatterlists sg_plaintext_data,
> sg_encrypted_data respectively. Rather than using chained scatterlists
> for plaintext and encrypted data
Structure 'tls_rec' contains sg_aead_in and sg_aead_out which point
to a aad_space and then chain scatterlists sg_plaintext_data,
sg_encrypted_data respectively. Rather than using chained scatterlists
for plaintext and encrypted data in aead_req, it is efficient to store
aad_space in