stmmac: optimize tx desc management
authorGiuseppe Cavallaro <peppe.cavallaro@st.com>
Mon, 29 Feb 2016 13:27:35 +0000 (14:27 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 2 Mar 2016 19:21:32 +0000 (14:21 -0500)
commitbe434d5075d6be0cda996200b2a20035e1565215
treec00deb31fdcdc2547ab67c84dbb9cfab718bdac9
parentc1fa3212be5503d802a5c4c451dd4e673fdc603a
stmmac: optimize tx desc management

This patch is to optimize the way to manage the TDES inside the
xmit function. When prepare the frame, some settings (e.g. OWN
bit) can be merged. This has been reworked to improve the tx
performances.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/stmicro/stmmac/chain_mode.c
drivers/net/ethernet/stmicro/stmmac/common.h
drivers/net/ethernet/stmicro/stmmac/enh_desc.c
drivers/net/ethernet/stmicro/stmmac/norm_desc.c
drivers/net/ethernet/stmicro/stmmac/ring_mode.c
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c