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authorMirko Lindner <mlindner@marvell.com>2013-03-26 06:38:42 +0000
committerSteven Rostedt <rostedt@goodmis.org>2013-04-11 18:17:34 -0400
commit90eefcae96bfb701a6bd4b49332b16ada3b3225a (patch)
tree3799d3ff030c0a56f4e674325579fb324ab6b4ae
parent641671fc2c57192f8474d8e7cb6c39a996a4a043 (diff)
sky2: Threshold for Pause Packet is set wrong
[ Upstream commit 74f9f42c1c1650e74fb464f76644c9041f996851 ] The sky2 driver sets the Rx Upper Threshold for Pause Packet generation to a wrong value which leads to only 2kB of RAM remaining space. This can lead to Rx overflow errors even with activated flow-control. Fix: We should increase the value to 8192/8 Signed-off-by: Mirko Lindner <mlindner@marvell.com> Acked-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
-rw-r--r--drivers/net/ethernet/marvell/sky2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 2b0748dba8b8..c8d7e5f403b0 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -1067,7 +1067,7 @@ static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 space)
sky2_write32(hw, RB_ADDR(q, RB_RX_UTHP), tp);
sky2_write32(hw, RB_ADDR(q, RB_RX_LTHP), space/2);
- tp = space - 2048/8;
+ tp = space - 8192/8;
sky2_write32(hw, RB_ADDR(q, RB_RX_UTPP), tp);
sky2_write32(hw, RB_ADDR(q, RB_RX_LTPP), space/4);
} else {