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-rw-r--r--Documentation/networking/stmmac.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/networking/stmmac.txt b/Documentation/networking/stmmac.txt
index d0aeeadd264b..61f40a3fa7ea 100644
--- a/Documentation/networking/stmmac.txt
+++ b/Documentation/networking/stmmac.txt
@@ -116,6 +116,7 @@ and detailed below as well:
int has_gmac;
int enh_desc;
int tx_coe;
+ int rx_coe;
int bugged_jumbo;
int pmt;
int force_sf_dma_mode;
@@ -140,6 +141,8 @@ Where:
o has_gmac: uses the GMAC core.
o enh_desc: if sets the MAC will use the enhanced descriptor structure.
o tx_coe: core is able to perform the tx csum in HW.
+ o rx_coe: the supports three check sum offloading engine types:
+ type_1, type_2 (full csum) and no RX coe.
o bugged_jumbo: some HWs are not able to perform the csum in HW for
over-sized frames due to limited buffer sizes.
Setting this flag the csum will be done in SW on
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