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Date: Fri, 04 Feb 2011 18:17:21 -0800
From: Vasanthy Kolluri <vkolluri@...co.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org
Subject: [net-next-2.6 PATCH 4/5] enic: Clean up: Remove support for an older
version of hardware
From: Vasanthy Kolluri <vkolluri@...co.com>
Remove support for an older version (A1) of hardware
Signed-off-by: Christian Benvenuti <benve@...co.com>
Signed-off-by: Vasanthy Kolluri <vkolluri@...co.com>
Signed-off-by: Roopa Prabhu <roprabhu@...co.com>
Signed-off-by: David Wang <dwang2@...co.com>
---
drivers/net/enic/enic.h | 3 +-
drivers/net/enic/enic_dev.c | 11 --------
drivers/net/enic/enic_dev.h | 1 -
drivers/net/enic/enic_main.c | 56 ++----------------------------------------
drivers/net/enic/vnic_dev.c | 19 --------------
drivers/net/enic/vnic_dev.h | 8 ------
drivers/net/enic/vnic_rq.h | 5 ----
7 files changed, 4 insertions(+), 99 deletions(-)
diff --git a/drivers/net/enic/enic.h b/drivers/net/enic/enic.h
index 7316267..57fcaee 100644
--- a/drivers/net/enic/enic.h
+++ b/drivers/net/enic/enic.h
@@ -32,7 +32,7 @@
#define DRV_NAME "enic"
#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver"
-#define DRV_VERSION "2.1.1.5"
+#define DRV_VERSION "2.1.1.6"
#define DRV_COPYRIGHT "Copyright 2008-2011 Cisco Systems, Inc"
#define ENIC_BARS_MAX 6
@@ -101,7 +101,6 @@ struct enic {
/* receive queue cache line section */
____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
unsigned int rq_count;
- int (*rq_alloc_buf)(struct vnic_rq *rq);
u64 rq_truncated_pkts;
u64 rq_bad_fcs;
struct napi_struct napi[ENIC_RQ_MAX];
diff --git a/drivers/net/enic/enic_dev.c b/drivers/net/enic/enic_dev.c
index 3826266..37ad3a1 100644
--- a/drivers/net/enic/enic_dev.c
+++ b/drivers/net/enic/enic_dev.c
@@ -110,17 +110,6 @@ int enic_dev_del_addr(struct enic *enic, u8 *addr)
return err;
}
-int enic_dev_hw_version(struct enic *enic, enum vnic_dev_hw_version *hw_ver)
-{
- int err;
-
- spin_lock(&enic->devcmd_lock);
- err = vnic_dev_hw_version(enic->vdev, hw_ver);
- spin_unlock(&enic->devcmd_lock);
-
- return err;
-}
-
int enic_dev_notify_unset(struct enic *enic)
{
int err;
diff --git a/drivers/net/enic/enic_dev.h b/drivers/net/enic/enic_dev.h
index 3ac6ba1..495f57f 100644
--- a/drivers/net/enic/enic_dev.h
+++ b/drivers/net/enic/enic_dev.h
@@ -29,7 +29,6 @@ int enic_dev_add_addr(struct enic *enic, u8 *addr);
int enic_dev_del_addr(struct enic *enic, u8 *addr);
void enic_vlan_rx_add_vid(struct net_device *netdev, u16 vid);
void enic_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);
-int enic_dev_hw_version(struct enic *enic, enum vnic_dev_hw_version *hw_ver);
int enic_dev_notify_unset(struct enic *enic);
int enic_dev_hang_notify(struct enic *enic);
int enic_dev_set_ig_vlan_rewrite_mode(struct enic *enic);
diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index d6cdecc..0c24370 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -1348,50 +1348,6 @@ static int enic_rq_alloc_buf(struct vnic_rq *rq)
return 0;
}
-static int enic_rq_alloc_buf_a1(struct vnic_rq *rq)
-{
- struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
-
- if (vnic_rq_posting_soon(rq)) {
-
- /* SW workaround for A0 HW erratum: if we're just about
- * to write posted_index, insert a dummy desc
- * of type resvd
- */
-
- rq_enet_desc_enc(desc, 0, RQ_ENET_TYPE_RESV2, 0);
- vnic_rq_post(rq, 0, 0, 0, 0);
- } else {
- return enic_rq_alloc_buf(rq);
- }
-
- return 0;
-}
-
-static int enic_set_rq_alloc_buf(struct enic *enic)
-{
- enum vnic_dev_hw_version hw_ver;
- int err;
-
- err = enic_dev_hw_version(enic, &hw_ver);
- if (err)
- return err;
-
- switch (hw_ver) {
- case VNIC_DEV_HW_VER_A1:
- enic->rq_alloc_buf = enic_rq_alloc_buf_a1;
- break;
- case VNIC_DEV_HW_VER_A2:
- case VNIC_DEV_HW_VER_UNKNOWN:
- enic->rq_alloc_buf = enic_rq_alloc_buf;
- break;
- default:
- return -ENODEV;
- }
-
- return 0;
-}
-
static void enic_rq_indicate_buf(struct vnic_rq *rq,
struct cq_desc *cq_desc, struct vnic_rq_buf *buf,
int skipped, void *opaque)
@@ -1528,7 +1484,7 @@ static int enic_poll(struct napi_struct *napi, int budget)
0 /* don't unmask intr */,
0 /* don't reset intr timer */);
- err = vnic_rq_fill(&enic->rq[0], enic->rq_alloc_buf);
+ err = vnic_rq_fill(&enic->rq[0], enic_rq_alloc_buf);
/* Buffer allocation failed. Stay in polling
* mode so we can try to fill the ring again.
@@ -1578,7 +1534,7 @@ static int enic_poll_msix(struct napi_struct *napi, int budget)
0 /* don't unmask intr */,
0 /* don't reset intr timer */);
- err = vnic_rq_fill(&enic->rq[rq], enic->rq_alloc_buf);
+ err = vnic_rq_fill(&enic->rq[rq], enic_rq_alloc_buf);
/* Buffer allocation failed. Stay in polling mode
* so we can try to fill the ring again.
@@ -1781,7 +1737,7 @@ static int enic_open(struct net_device *netdev)
}
for (i = 0; i < enic->rq_count; i++) {
- vnic_rq_fill(&enic->rq[i], enic->rq_alloc_buf);
+ vnic_rq_fill(&enic->rq[i], enic_rq_alloc_buf);
/* Need at least one buffer on ring to get going */
if (vnic_rq_desc_used(&enic->rq[i]) == 0) {
netdev_err(netdev, "Unable to alloc receive buffers\n");
@@ -2347,12 +2303,6 @@ static int enic_dev_init(struct enic *enic)
enic_init_vnic_resources(enic);
- err = enic_set_rq_alloc_buf(enic);
- if (err) {
- dev_err(dev, "Failed to set RQ buffer allocator, aborting\n");
- goto err_out_free_vnic_resources;
- }
-
err = enic_set_rss_nic_cfg(enic);
if (err) {
dev_err(dev, "Failed to config nic, aborting\n");
diff --git a/drivers/net/enic/vnic_dev.c b/drivers/net/enic/vnic_dev.c
index fb35d8b..c489e72 100644
--- a/drivers/net/enic/vnic_dev.c
+++ b/drivers/net/enic/vnic_dev.c
@@ -419,25 +419,6 @@ int vnic_dev_fw_info(struct vnic_dev *vdev,
return err;
}
-int vnic_dev_hw_version(struct vnic_dev *vdev, enum vnic_dev_hw_version *hw_ver)
-{
- struct vnic_devcmd_fw_info *fw_info;
- int err;
-
- err = vnic_dev_fw_info(vdev, &fw_info);
- if (err)
- return err;
-
- if (strncmp(fw_info->hw_version, "A1", sizeof("A1")) == 0)
- *hw_ver = VNIC_DEV_HW_VER_A1;
- else if (strncmp(fw_info->hw_version, "A2", sizeof("A2")) == 0)
- *hw_ver = VNIC_DEV_HW_VER_A2;
- else
- *hw_ver = VNIC_DEV_HW_VER_UNKNOWN;
-
- return 0;
-}
-
int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
void *value)
{
diff --git a/drivers/net/enic/vnic_dev.h b/drivers/net/enic/vnic_dev.h
index 05f9a24..e837546 100644
--- a/drivers/net/enic/vnic_dev.h
+++ b/drivers/net/enic/vnic_dev.h
@@ -44,12 +44,6 @@ static inline void writeq(u64 val, void __iomem *reg)
#undef pr_fmt
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-enum vnic_dev_hw_version {
- VNIC_DEV_HW_VER_UNKNOWN,
- VNIC_DEV_HW_VER_A1,
- VNIC_DEV_HW_VER_A2,
-};
-
enum vnic_dev_intr_mode {
VNIC_DEV_INTR_MODE_UNKNOWN,
VNIC_DEV_INTR_MODE_INTX,
@@ -93,8 +87,6 @@ int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
u64 *a0, u64 *a1, int wait);
int vnic_dev_fw_info(struct vnic_dev *vdev,
struct vnic_devcmd_fw_info **fw_info);
-int vnic_dev_hw_version(struct vnic_dev *vdev,
- enum vnic_dev_hw_version *hw_ver);
int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
void *value);
int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
diff --git a/drivers/net/enic/vnic_rq.h b/drivers/net/enic/vnic_rq.h
index 37f08de..2056586 100644
--- a/drivers/net/enic/vnic_rq.h
+++ b/drivers/net/enic/vnic_rq.h
@@ -141,11 +141,6 @@ static inline void vnic_rq_post(struct vnic_rq *rq,
}
}
-static inline int vnic_rq_posting_soon(struct vnic_rq *rq)
-{
- return (rq->to_use->index & VNIC_RQ_RETURN_RATE) == 0;
-}
-
static inline void vnic_rq_return_descs(struct vnic_rq *rq, unsigned int count)
{
rq->ring.desc_avail += count;
--
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