From: isubramanian@apm.com (Iyappan Subramanian)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/6] drivers: net: xgene: fix IPv4 forward crash
Date: Mon, 9 May 2016 17:04:11 -0700 [thread overview]
Message-ID: <1462838656-22043-2-git-send-email-isubramanian@apm.com> (raw)
In-Reply-To: <1462838656-22043-1-git-send-email-isubramanian@apm.com>
This patch fixes the crash observed during IPv4 forward test by
setting the drop field in the dbptr.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Tested-by: Toan Le <toanle@apm.com>
---
drivers/net/ethernet/apm/xgene/xgene_enet_cle.c | 11 ++++++-----
drivers/net/ethernet/apm/xgene/xgene_enet_cle.h | 2 ++
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c
index 6479288..472c0fb 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.c
@@ -43,6 +43,7 @@ static void xgene_cle_idt_to_hw(u32 dstqid, u32 fpsel,
static void xgene_cle_dbptr_to_hw(struct xgene_enet_pdata *pdata,
struct xgene_cle_dbptr *dbptr, u32 *buf)
{
+ buf[0] = SET_VAL(CLE_DROP, dbptr->drop);
buf[4] = SET_VAL(CLE_FPSEL, dbptr->fpsel) |
SET_VAL(CLE_DSTQIDL, dbptr->dstqid);
@@ -412,7 +413,7 @@ static int xgene_enet_cle_init(struct xgene_enet_pdata *pdata)
.branch = {
{
/* IPV4 */
- .valid = 0,
+ .valid = 1,
.next_packet_pointer = 22,
.jump_bw = JMP_FW,
.jump_rel = JMP_ABS,
@@ -420,7 +421,7 @@ static int xgene_enet_cle_init(struct xgene_enet_pdata *pdata)
.next_node = PKT_PROT_NODE,
.next_branch = 0,
.data = 0x8,
- .mask = 0xffff
+ .mask = 0x0
},
{
.valid = 0,
@@ -456,7 +457,7 @@ static int xgene_enet_cle_init(struct xgene_enet_pdata *pdata)
.next_node = RSS_IPV4_TCP_NODE,
.next_branch = 0,
.data = 0x0600,
- .mask = 0xffff
+ .mask = 0x00ff
},
{
/* UDP */
@@ -468,7 +469,7 @@ static int xgene_enet_cle_init(struct xgene_enet_pdata *pdata)
.next_node = RSS_IPV4_UDP_NODE,
.next_branch = 0,
.data = 0x1100,
- .mask = 0xffff
+ .mask = 0x00ff
},
{
.valid = 0,
@@ -642,7 +643,7 @@ static int xgene_enet_cle_init(struct xgene_enet_pdata *pdata)
{
/* TCP DST Port */
.valid = 0,
- .next_packet_pointer = 256,
+ .next_packet_pointer = 258,
.jump_bw = JMP_FW,
.jump_rel = JMP_ABS,
.operation = EQT,
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.h b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.h
index 13e829a..33c5f6b 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_cle.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_cle.h
@@ -83,6 +83,8 @@
#define CLE_TYPE_POS 0
#define CLE_TYPE_LEN 2
+#define CLE_DROP_POS 28
+#define CLE_DROP_LEN 1
#define CLE_DSTQIDL_POS 25
#define CLE_DSTQIDL_LEN 7
#define CLE_DSTQIDH_POS 0
--
1.9.1
next prev parent reply other threads:[~2016-05-10 0:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-10 0:04 [PATCH 0/6] drivers: net: xgene: Bug fixes Iyappan Subramanian
2016-05-10 0:04 ` Iyappan Subramanian [this message]
2016-05-10 0:04 ` [PATCH 2/6] drivers: net: xgene: fix sharing of irqs Iyappan Subramanian
2016-05-10 0:04 ` [PATCH 3/6] drivers: net: xgene: fix ununiform latency across queues Iyappan Subramanian
2016-05-10 0:04 ` [PATCH 4/6] drivers: net: xgene: fix statistics counters race condition Iyappan Subramanian
2016-05-10 0:04 ` [PATCH 5/6] drivers: net: xgene: Using static MSS values Iyappan Subramanian
2016-05-10 19:53 ` David Miller
2016-05-10 0:04 ` [PATCH 6/6] drivers: net: xgene: fix register offset Iyappan Subramanian
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