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Date: Fri, 12 Sep 2014 17:39:18 +0530
From: Sathya Perla <sathya.perla@...lex.com>
To: <netdev@...r.kernel.org>
Subject: [PATCH net-next 5/8] be2net: add ethtool "-m" option support
From: Mark Leonard <mark.leonard@...lex.com>
This patch adds support for the dump-module-eeprom and module-info
ethtool options.
Signed-off-by: Mark Leonard <mark.leonard@...lex.com>
Signed-off-by: Suresh Reddy <Suresh.Reddy@...lex.com>
Signed-off-by: Sathya Perla <sathya.perla@...lex.com>
---
drivers/net/ethernet/emulex/benet/be_cmds.c | 47 ++++++++++++++++++++
drivers/net/ethernet/emulex/benet/be_cmds.h | 25 +++--------
drivers/net/ethernet/emulex/benet/be_ethtool.c | 56 +++++++++++++++++++++++-
3 files changed, 109 insertions(+), 19 deletions(-)
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 5d8016c..e0dd482 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -2176,6 +2176,53 @@ err:
return status;
}
+/* Uses sync mcc */
+int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
+ u8 page_num, u8 *data)
+{
+ struct be_dma_mem cmd;
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_port_type *req;
+ int status;
+
+ if (page_num > TR_PAGE_A2)
+ return -EINVAL;
+
+ cmd.size = sizeof(struct be_cmd_resp_port_type);
+ cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size, &cmd.dma);
+ if (!cmd.va) {
+ dev_err(&adapter->pdev->dev, "Memory allocation failed\n");
+ return -ENOMEM;
+ }
+ memset(cmd.va, 0, cmd.size);
+
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ if (!wrb) {
+ status = -EBUSY;
+ goto err;
+ }
+ req = cmd.va;
+
+ be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
+ OPCODE_COMMON_READ_TRANSRECV_DATA,
+ cmd.size, wrb, &cmd);
+
+ req->port = cpu_to_le32(adapter->hba_port_num);
+ req->page_num = cpu_to_le32(page_num);
+ status = be_mcc_notify_wait(adapter);
+ if (!status) {
+ struct be_cmd_resp_port_type *resp = cmd.va;
+
+ memcpy(data, resp->page_data, PAGE_DATA_LEN);
+ }
+err:
+ spin_unlock_bh(&adapter->mcc_lock);
+ pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma);
+ return status;
+}
+
int lancer_cmd_write_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
u32 data_size, u32 data_offset,
const char *obj_name, u32 *data_written,
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index 3b1606c..f05f1fb 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -1014,28 +1014,15 @@ enum {
TR_PAGE_A2 = 0xa2
};
+/* From SFF-8472 spec */
+#define SFP_PLUS_SFF_8472_COMP 0x5E
+
+#define PAGE_DATA_LEN 256
struct be_cmd_resp_port_type {
struct be_cmd_resp_hdr hdr;
u32 page_num;
u32 port;
- struct data {
- u8 identifier;
- u8 identifier_ext;
- u8 connector;
- u8 transceiver[8];
- u8 rsvd0[3];
- u8 length_km;
- u8 length_hm;
- u8 length_om1;
- u8 length_om2;
- u8 length_cu;
- u8 length_cu_m;
- u8 vendor_name[16];
- u8 rsvd;
- u8 vendor_oui[3];
- u8 vendor_pn[16];
- u8 vendor_rev[4];
- } data;
+ u8 page_data[PAGE_DATA_LEN];
};
/******************** Get FW Version *******************/
@@ -2067,6 +2054,8 @@ int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num, u8 beacon,
u8 status, u8 state);
int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num,
u32 *state);
+int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
+ u8 page_num, u8 *data);
int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
u32 flash_oper, u32 flash_opcode, u32 buf_size);
int lancer_cmd_write_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c
index ee565be..a28013f 100644
--- a/drivers/net/ethernet/emulex/benet/be_ethtool.c
+++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c
@@ -1189,6 +1189,58 @@ static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
return 0;
}
+static int be_get_module_info(struct net_device *netdev,
+ struct ethtool_modinfo *modinfo)
+{
+ struct be_adapter *adapter = netdev_priv(netdev);
+ u8 page_data[PAGE_DATA_LEN];
+ int status;
+
+ if (!check_privilege(adapter, MAX_PRIVILEGES))
+ return -EOPNOTSUPP;
+
+ status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
+ page_data);
+ if (!status) {
+ if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
+ modinfo->type = ETH_MODULE_SFF_8079;
+ modinfo->eeprom_len = PAGE_DATA_LEN;
+ } else {
+ modinfo->type = ETH_MODULE_SFF_8472;
+ modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
+ }
+ }
+ return be_cmd_status(status);
+}
+
+static int be_get_module_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *eeprom, u8 *data)
+{
+ struct be_adapter *adapter = netdev_priv(netdev);
+ int status;
+
+ if (!check_privilege(adapter, MAX_PRIVILEGES))
+ return -EOPNOTSUPP;
+
+ status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
+ data);
+ if (status)
+ goto err;
+
+ if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
+ status = be_cmd_read_port_transceiver_data(adapter,
+ TR_PAGE_A2,
+ data +
+ PAGE_DATA_LEN);
+ if (status)
+ goto err;
+ }
+ if (eeprom->offset)
+ memcpy(data, data + eeprom->offset, eeprom->len);
+err:
+ return be_cmd_status(status);
+}
+
const struct ethtool_ops be_ethtool_ops = {
.get_settings = be_get_settings,
.get_drvinfo = be_get_drvinfo,
@@ -1220,5 +1272,7 @@ const struct ethtool_ops be_ethtool_ops = {
.get_rxfh = be_get_rxfh,
.set_rxfh = be_set_rxfh,
.get_channels = be_get_channels,
- .set_channels = be_set_channels
+ .set_channels = be_set_channels,
+ .get_module_info = be_get_module_info,
+ .get_module_eeprom = be_get_module_eeprom
};
--
1.7.1
--
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