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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2017-04-18 08:36:59 +1000
committerDavid S. Miller <davem@davemloft.net>2017-04-18 14:11:08 -0400
commit7c8e5141ca633ae6dc7489dc85cabcfed2144a2d (patch)
tree16ad0fc3d1a5cef8293a4e6037d5c30bd5e2b456 /drivers/net/ethernet/faraday/ftgmac100.h
parente98233a6192d75d695b0972dc955d6561e46964f (diff)
ftgmac100: Add pause frames configuration and support
Hopefully my understanding of how the hardware works is correct, as the documentation isn't completely clear. So far I have seen no obvious issue. Pause seem to also work with NC-SI. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/faraday/ftgmac100.h')
-rw-r--r--drivers/net/ethernet/faraday/ftgmac100.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/faraday/ftgmac100.h b/drivers/net/ethernet/faraday/ftgmac100.h
index 97912c456e80..0653d8176e6a 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.h
+++ b/drivers/net/ethernet/faraday/ftgmac100.h
@@ -199,6 +199,13 @@
#define FTGMAC100_PHYDATA_MIIRDATA(phydata) (((phydata) >> 16) & 0xffff)
/*
+ * Flow control register
+ */
+#define FTGMAC100_FCR_FC_EN (1 << 0)
+#define FTGMAC100_FCR_FCTHR_EN (1 << 2)
+#define FTGMAC100_FCR_PAUSE_TIME(x) (((x) & 0xffff) << 16)
+
+/*
* Transmit descriptor, aligned to 16 bytes
*/
struct ftgmac100_txdes {