[PATCH] net: fs_enet: mask interrupts for TX partial frames.

Subsystems: freescale soc fs_enet driver, networking drivers, the rest

STALE4018d

2 messages, 2 authors, 2015-08-11 · open the first message on its own page

[PATCH] net: fs_enet: mask interrupts for TX partial frames.

From: Christophe Leroy <hidden>
Date: 2015-08-11 10:11:26

We are not interested in interrupts for partially transmitted frames.
Unlike SCC and FCC, the FEC doesn't handle the I bit in buffer
descriptors, instead it defines two interrupt bits, TXB and TXF.

We have to mask TXB in order to only get interrupts once the
frame is fully transmitted.

Signed-off-by: Christophe Leroy <redacted>
---
 drivers/net/ethernet/freescale/fs_enet/mac-fec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c
index b34214e..016743e 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c
@@ -110,7 +110,7 @@ static int do_pd_setup(struct fs_enet_private *fep)
 }
 
 #define FEC_NAPI_RX_EVENT_MSK	(FEC_ENET_RXF | FEC_ENET_RXB)
-#define FEC_NAPI_TX_EVENT_MSK	(FEC_ENET_TXF | FEC_ENET_TXB)
+#define FEC_NAPI_TX_EVENT_MSK	(FEC_ENET_TXF)
 #define FEC_RX_EVENT		(FEC_ENET_RXF)
 #define FEC_TX_EVENT		(FEC_ENET_TXF)
 #define FEC_ERR_EVENT_MSK	(FEC_ENET_HBERR | FEC_ENET_BABR | \
-- 
2.1.0

Re: [PATCH] net: fs_enet: mask interrupts for TX partial frames.

From: David Miller <davem@davemloft.net>
Date: 2015-08-11 19:05:52

From: Christophe Leroy <redacted>
Date: Tue, 11 Aug 2015 12:11:03 +0200 (CEST)
We are not interested in interrupts for partially transmitted frames.
Unlike SCC and FCC, the FEC doesn't handle the I bit in buffer
descriptors, instead it defines two interrupt bits, TXB and TXF.

We have to mask TXB in order to only get interrupts once the
frame is fully transmitted.

Signed-off-by: Christophe Leroy <redacted>
Applied.
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help