diff options
| author | Giuseppe Cavallaro <peppe.cavallaro@st.com> | 2016-02-29 16:27:32 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-03-02 22:21:31 +0300 |
| commit | 2a6d8e172639b49a81afc76140dd7ee7c9a24da1 (patch) | |
| tree | e6a4c565ea3239542bf26a7c0206095fdce2124e /drivers/net/ethernet/stmicro/stmmac/stmmac.h | |
| parent | 553e2ab3130e9c3d234bee0c80a2a1e5057c8f9a (diff) | |
| download | linux-2a6d8e172639b49a81afc76140dd7ee7c9a24da1.tar.xz | |
stmmac: add last_segment field to dma data
last_segment field is read twice from dma descriptors in stmmac_clean().
Add last_segment to dma data so that this flag is from priv
structure in cache instead of memory.
It avoids reading twice from memory for each loop in stmmac_clean().
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>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac.h')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h index c497460c9061..043691852c26 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h @@ -46,6 +46,7 @@ struct stmmac_tx_info { dma_addr_t buf; bool map_as_page; unsigned len; + bool last_segment; }; struct stmmac_priv { |