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Date: Mon, 22 Apr 2013 14:58:14 +0530
From: Sathya Perla <sathya.perla@...lex.com>
To: <netdev@...r.kernel.org>
Subject: [PATCH net-next 1/5] be2net: Use TXQ_CREATE_V2 cmd
From: Vasundhara Volam <vasundhara.volam@...lex.com>
Skyhawk-R and BE3-R (SuperNIC profile) require V2 version
of TXQ_CREATE cmd to be used.
Signed-off-by: Vasundhara Volam <vasundhara.volam@...lex.com>
Signed-off-by: Sathya Perla <sathya.perla@...lex.com>
---
drivers/net/ethernet/emulex/benet/be.h | 1 +
drivers/net/ethernet/emulex/benet/be_cmds.c | 34 +++++++++++---------
drivers/net/ethernet/emulex/benet/be_cmds.h | 45 +++++++-------------------
drivers/net/ethernet/emulex/benet/be_hw.h | 4 ++
drivers/net/ethernet/emulex/benet/be_main.c | 11 +++---
5 files changed, 41 insertions(+), 54 deletions(-)
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index 2e2700e..8802268 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -214,6 +214,7 @@ struct be_tx_stats {
};
struct be_tx_obj {
+ u32 db_offset;
struct be_queue_info q;
struct be_queue_info cq;
/* Remember the skbs that were transmitted */
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index cf9408f..5d96f77 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -1095,15 +1095,14 @@ int be_cmd_mccq_create(struct be_adapter *adapter,
return status;
}
-int be_cmd_txq_create(struct be_adapter *adapter,
- struct be_queue_info *txq,
- struct be_queue_info *cq)
+int be_cmd_txq_create(struct be_adapter *adapter, struct be_tx_obj *txo)
{
struct be_mcc_wrb *wrb;
struct be_cmd_req_eth_tx_create *req;
+ struct be_queue_info *txq = &txo->q;
+ struct be_queue_info *cq = &txo->cq;
struct be_dma_mem *q_mem = &txq->dma_mem;
- void *ctxt;
- int status;
+ int status, ver = 0;
spin_lock_bh(&adapter->mcc_lock);
@@ -1114,34 +1113,37 @@ int be_cmd_txq_create(struct be_adapter *adapter,
}
req = embedded_payload(wrb);
- ctxt = &req->context;
be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
OPCODE_ETH_TX_CREATE, sizeof(*req), wrb, NULL);
if (lancer_chip(adapter)) {
req->hdr.version = 1;
- AMAP_SET_BITS(struct amap_tx_context, if_id, ctxt,
- adapter->if_handle);
+ req->if_id = cpu_to_le16(adapter->if_handle);
+ } else if (BEx_chip(adapter)) {
+ if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC)
+ req->hdr.version = 2;
+ } else { /* For SH */
+ req->hdr.version = 2;
}
req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
req->ulp_num = BE_ULP1_NUM;
req->type = BE_ETH_TX_RING_TYPE_STANDARD;
-
- AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt,
- be_encoded_q_len(txq->len));
- AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1);
- AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id);
-
- be_dws_cpu_to_le(ctxt, sizeof(req->context));
-
+ req->cq_id = cpu_to_le16(cq->id);
+ req->queue_size = be_encoded_q_len(txq->len);
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
+ ver = req->hdr.version;
+
status = be_mcc_notify_wait(adapter);
if (!status) {
struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb);
txq->id = le16_to_cpu(resp->cid);
+ if (ver == 2)
+ txo->db_offset = le32_to_cpu(resp->db_offset);
+ else
+ txo->db_offset = DB_TXULP1_OFFSET;
txq->created = true;
}
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index f2af855..ba41f83 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -474,46 +474,27 @@ struct be_cmd_resp_mcc_create {
#define BE_ETH_TX_RING_TYPE_STANDARD 2
#define BE_ULP1_NUM 1
-/* Pseudo amap definition in which each bit of the actual structure is defined
- * as a byte: used to calculate offset/shift/mask of each field */
-struct amap_tx_context {
- u8 if_id[16]; /* dword 0 */
- u8 tx_ring_size[4]; /* dword 0 */
- u8 rsvd1[26]; /* dword 0 */
- u8 pci_func_id[8]; /* dword 1 */
- u8 rsvd2[9]; /* dword 1 */
- u8 ctx_valid; /* dword 1 */
- u8 cq_id_send[16]; /* dword 2 */
- u8 rsvd3[16]; /* dword 2 */
- u8 rsvd4[32]; /* dword 3 */
- u8 rsvd5[32]; /* dword 4 */
- u8 rsvd6[32]; /* dword 5 */
- u8 rsvd7[32]; /* dword 6 */
- u8 rsvd8[32]; /* dword 7 */
- u8 rsvd9[32]; /* dword 8 */
- u8 rsvd10[32]; /* dword 9 */
- u8 rsvd11[32]; /* dword 10 */
- u8 rsvd12[32]; /* dword 11 */
- u8 rsvd13[32]; /* dword 12 */
- u8 rsvd14[32]; /* dword 13 */
- u8 rsvd15[32]; /* dword 14 */
- u8 rsvd16[32]; /* dword 15 */
-} __packed;
-
struct be_cmd_req_eth_tx_create {
struct be_cmd_req_hdr hdr;
u8 num_pages;
u8 ulp_num;
- u8 type;
- u8 bound_port;
- u8 context[sizeof(struct amap_tx_context) / 8];
+ u16 type;
+ u16 if_id;
+ u8 queue_size;
+ u8 rsvd0;
+ u32 rsvd1;
+ u16 cq_id;
+ u16 rsvd2;
+ u32 rsvd3[13];
struct phys_addr pages[8];
} __packed;
struct be_cmd_resp_eth_tx_create {
struct be_cmd_resp_hdr hdr;
u16 cid;
- u16 rsvd0;
+ u16 rid;
+ u32 db_offset;
+ u32 rsvd0[4];
} __packed;
/******************** Create RxQ ***************************/
@@ -1067,7 +1048,6 @@ struct be_cmd_resp_modify_eq_delay {
} __packed;
/******************** Get FW Config *******************/
-#define BE_FUNCTION_CAPS_RSS 0x2
/* The HW can come up in either of the following multi-channel modes
* based on the skew/IPL.
*/
@@ -1841,8 +1821,7 @@ extern int be_cmd_mccq_create(struct be_adapter *adapter,
struct be_queue_info *mccq,
struct be_queue_info *cq);
extern int be_cmd_txq_create(struct be_adapter *adapter,
- struct be_queue_info *txq,
- struct be_queue_info *cq);
+ struct be_tx_obj *txo);
extern int be_cmd_rxq_create(struct be_adapter *adapter,
struct be_queue_info *rxq, u16 cq_id,
u16 frag_size, u32 if_id, u32 rss, u8 *rss_id);
diff --git a/drivers/net/ethernet/emulex/benet/be_hw.h b/drivers/net/ethernet/emulex/benet/be_hw.h
index 89e6d8c..b305f8d 100644
--- a/drivers/net/ethernet/emulex/benet/be_hw.h
+++ b/drivers/net/ethernet/emulex/benet/be_hw.h
@@ -72,6 +72,10 @@
*/
#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */
+/********* PCI Function Capability *********/
+#define BE_FUNCTION_CAPS_RSS 0x2
+#define BE_FUNCTION_CAPS_SUPER_NIC 0x40
+
/********* Power management (WOL) **********/
#define PCICFG_PM_CONTROL_OFFSET 0x44
#define PCICFG_PM_CONTROL_MASK 0x108 /* bits 3 & 8 */
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 536afa2..ffd20db 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -197,14 +197,15 @@ static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted)
iowrite32(val, adapter->db + DB_RQ_OFFSET);
}
-static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted)
+static void be_txq_notify(struct be_adapter *adapter, struct be_tx_obj *txo,
+ u16 posted)
{
u32 val = 0;
- val |= qid & DB_TXULP_RING_ID_MASK;
+ val |= txo->q.id & DB_TXULP_RING_ID_MASK;
val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT;
wmb();
- iowrite32(val, adapter->db + DB_TXULP1_OFFSET);
+ iowrite32(val, adapter->db + txo->db_offset);
}
static void be_eq_notify(struct be_adapter *adapter, u16 qid,
@@ -833,7 +834,7 @@ static netdev_tx_t be_xmit(struct sk_buff *skb,
stopped = true;
}
- be_txq_notify(adapter, txq->id, wrb_cnt);
+ be_txq_notify(adapter, txo, wrb_cnt);
be_tx_stats_update(txo, wrb_cnt, copied, gso_segs, stopped);
} else {
@@ -1969,7 +1970,7 @@ static int be_tx_qs_create(struct be_adapter *adapter)
if (status)
return status;
- status = be_cmd_txq_create(adapter, &txo->q, &txo->cq);
+ status = be_cmd_txq_create(adapter, txo);
if (status)
return status;
}
--
1.7.1
--
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