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Message-ID: <20091203161804.GA1382@serverengines.com>
Date: Thu, 3 Dec 2009 21:48:14 +0530
From: Ajit Khaparde <ajitk@...verengines.com>
To: David Miller <davem@...emloft.net>
Cc: netdev <netdev@...r.kernel.org>
Subject: [PATCH net-next-2.6 3/4] be2net: Add support for ethtool self test
This patch adds support for ethtool selftest.
From: Suresh R <sureshr@...verengines.com>
Signed-off-by: Ajit Khaparde <ajitk@...verengines.com>
---
drivers/net/benet/be_cmds.c | 93 ++++++++++++++++++++++++++++++++++++++++
drivers/net/benet/be_cmds.h | 48 ++++++++++++++++++++
drivers/net/benet/be_ethtool.c | 87 +++++++++++++++++++++++++++++++++++++
3 files changed, 228 insertions(+), 0 deletions(-)
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index bee7b82..1b68bd9 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1478,3 +1478,96 @@ err:
spin_unlock_bh(&adapter->mcc_lock);
return status;
}
+
+int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
+ u32 loopback_type, u32 pkt_size, u32 num_pkts, u64 pattern)
+{
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_loopback_test *req;
+ int status;
+
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ if (!wrb) {
+ status = -EBUSY;
+ goto err;
+ }
+
+ req = embedded_payload(wrb);
+
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0,
+ OPCODE_LOWLEVEL_LOOPBACK_TEST);
+
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
+ OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req));
+
+ req->pattern = cpu_to_le64(pattern);
+ req->src_port = cpu_to_le32(port_num);
+ req->dest_port = cpu_to_le32(port_num);
+ req->pkt_size = cpu_to_le32(pkt_size);
+ req->num_pkts = cpu_to_le32(num_pkts);
+ req->loopback_type = cpu_to_le32(loopback_type);
+
+ status = be_mcc_notify_wait(adapter);
+ if (!status) {
+ struct be_cmd_resp_loopback_test *resp = embedded_payload(wrb);
+ status = le32_to_cpu(resp->status);
+ }
+
+err:
+ spin_unlock_bh(&adapter->mcc_lock);
+ return status;
+}
+
+int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
+ u32 byte_cnt, struct be_dma_mem *cmd)
+{
+ struct be_mcc_wrb *wrb;
+ struct be_cmd_req_ddrdma_test *req;
+ struct be_sge *sge;
+ int status;
+ int i, j = 0;
+
+ spin_lock_bh(&adapter->mcc_lock);
+
+ wrb = wrb_from_mccq(adapter);
+ if (!wrb) {
+ status = -EBUSY;
+ goto err;
+ }
+ req = cmd->va;
+ sge = nonembedded_sgl(wrb);
+ be_wrb_hdr_prepare(wrb, cmd->size, false, 1,
+ OPCODE_LOWLEVEL_HOST_DDR_DMA);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
+ OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size);
+
+ sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma));
+ sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF);
+ sge->len = cpu_to_le32(cmd->size);
+
+ req->pattern = cpu_to_le64(pattern);
+ req->byte_count = cpu_to_le32(byte_cnt);
+ for (i = 0; i < byte_cnt; i++) {
+ req->snd_buff[i] = (u8)(pattern >> (j*8));
+ j++;
+ if (j > 7)
+ j = 0;
+ }
+
+ status = be_mcc_notify_wait(adapter);
+
+ if (!status) {
+ struct be_cmd_resp_ddrdma_test *resp;
+ resp = cmd->va;
+ if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
+ resp->snd_err) {
+ status = -1;
+ }
+ }
+
+err:
+ spin_unlock_bh(&adapter->mcc_lock);
+ return status;
+}
diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h
index e8512a1..e7323be 100644
--- a/drivers/net/benet/be_cmds.h
+++ b/drivers/net/benet/be_cmds.h
@@ -112,6 +112,7 @@ struct be_mcc_mailbox {
#define CMD_SUBSYSTEM_COMMON 0x1
#define CMD_SUBSYSTEM_ETH 0x3
+#define CMD_SUBSYSTEM_LOWLEVEL 0xb
#define OPCODE_COMMON_NTWK_MAC_QUERY 1
#define OPCODE_COMMON_NTWK_MAC_SET 2
@@ -152,6 +153,9 @@ struct be_mcc_mailbox {
#define OPCODE_ETH_RX_DESTROY 10
#define OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG 12
+#define OPCODE_LOWLEVEL_HOST_DDR_DMA 17
+#define OPCODE_LOWLEVEL_LOOPBACK_TEST 18
+
struct be_cmd_req_hdr {
u8 opcode; /* dword 0 */
u8 subsystem; /* dword 0 */
@@ -797,6 +801,45 @@ struct be_cmd_req_acpi_wol_magic_config{
u8 rsvd2[2];
} __packed;
+/********************** LoopBack test *********************/
+struct be_cmd_req_loopback_test {
+ struct be_cmd_req_hdr hdr;
+ u32 loopback_type;
+ u32 num_pkts;
+ u64 pattern;
+ u32 src_port;
+ u32 dest_port;
+ u32 pkt_size;
+};
+
+struct be_cmd_resp_loopback_test {
+ struct be_cmd_resp_hdr resp_hdr;
+ u32 status;
+ u32 num_txfer;
+ u32 num_rx;
+ u32 miscomp_off;
+ u32 ticks_compl;
+};
+
+/********************** DDR DMA test *********************/
+struct be_cmd_req_ddrdma_test {
+ struct be_cmd_req_hdr hdr;
+ u64 pattern;
+ u32 byte_count;
+ u32 rsvd0;
+ u8 snd_buff[4096];
+ u8 rsvd1[4096];
+};
+
+struct be_cmd_resp_ddrdma_test {
+ struct be_cmd_resp_hdr hdr;
+ u64 pattern;
+ u32 byte_cnt;
+ u32 snd_err;
+ u8 rsvd0[4096];
+ u8 rcv_buff[4096];
+};
+
extern int be_pci_fnum_get(struct be_adapter *adapter);
extern int be_cmd_POST(struct be_adapter *adapter);
extern int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
@@ -864,3 +907,8 @@ extern int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
struct be_dma_mem *nonemb_cmd);
extern int be_cmd_fw_init(struct be_adapter *adapter);
extern int be_cmd_fw_clean(struct be_adapter *adapter);
+extern int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
+ u32 loopback_type, u32 pkt_size,
+ u32 num_pkts, u64 pattern);
+extern int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
+ u32 byte_cnt, struct be_dma_mem *cmd);
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 83a2fc7..7bfd0b3 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -107,6 +107,18 @@ static const struct be_ethtool_stat et_stats[] = {
};
#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
+static const char et_self_tests[][ETH_GSTRING_LEN] = {
+ "MAC Loopback test",
+ "PHY Loopback test",
+ "External Loopback test",
+ "DDR DMA test"
+};
+
+#define BE_NUM_TESTS ARRAY_SIZE(et_self_tests)
+#define BE_MAC_LOOPBACK 0x0
+#define BE_PHY_LOOPBACK 0x1
+#define BE_ONE_PORT_EXT_LOOPBACK 0x2
+
static void
be_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
{
@@ -278,6 +290,12 @@ be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
data += ETH_GSTRING_LEN;
}
break;
+ case ETH_SS_TEST:
+ for (i = 0; i < BE_NUM_TESTS; i++) {
+ memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+ break;
}
}
@@ -442,6 +460,73 @@ be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
}
static int
+be_test_ddr_dma(struct be_adapter *adapter)
+{
+ int ret, i;
+ struct be_dma_mem ddrdma_cmd;
+ u64 pattern[2] = {0x5a5a5a5a5a5a5a5a, 0xa5a5a5a5a5a5a5a5};
+
+ ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
+ ddrdma_cmd.va = pci_alloc_consistent(adapter->pdev, ddrdma_cmd.size,
+ &ddrdma_cmd.dma);
+ if (!ddrdma_cmd.va) {
+ dev_err(&adapter->pdev->dev, "Memory allocation failure \n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < 2; i++) {
+ ret = be_cmd_ddr_dma_test(adapter, pattern[i],
+ 4096, &ddrdma_cmd);
+ if (ret != 0)
+ goto err;
+ }
+
+err:
+ pci_free_consistent(adapter->pdev, ddrdma_cmd.size,
+ ddrdma_cmd.va, ddrdma_cmd.dma);
+ return ret;
+}
+
+static int
+be_self_test_count(struct net_device *dev)
+{
+ return BE_NUM_TESTS;
+}
+
+static void
+be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
+{
+ struct be_adapter *adapter = netdev_priv(netdev);
+
+ memset(data, 0, sizeof(u64) * BE_NUM_TESTS);
+
+ if (test->flags & ETH_TEST_FL_OFFLINE) {
+ data[0] = be_cmd_loopback_test(adapter, adapter->port_num,
+ BE_MAC_LOOPBACK, 1500,
+ 2, 0xabc);
+ if (data[0] != 0)
+ test->flags |= ETH_TEST_FL_FAILED;
+
+ data[1] = be_cmd_loopback_test(adapter, adapter->port_num,
+ BE_PHY_LOOPBACK, 1500,
+ 2, 0xabc);
+ if (data[1] != 0)
+ test->flags |= ETH_TEST_FL_FAILED;
+
+ data[2] = be_cmd_loopback_test(adapter, adapter->port_num,
+ BE_ONE_PORT_EXT_LOOPBACK,
+ 1500, 2, 0xabc);
+ if (data[2] != 0)
+ test->flags |= ETH_TEST_FL_FAILED;
+
+ data[3] = be_test_ddr_dma(adapter);
+ if (data[3] != 0)
+ test->flags |= ETH_TEST_FL_FAILED;
+ }
+
+}
+
+static int
be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
{
struct be_adapter *adapter = netdev_priv(netdev);
@@ -479,4 +564,6 @@ const struct ethtool_ops be_ethtool_ops = {
.get_sset_count = be_get_sset_count,
.get_ethtool_stats = be_get_ethtool_stats,
.flash_device = be_do_flash,
+ .self_test = be_self_test,
+ .self_test_count = be_self_test_count
};
--
1.6.3.3
--
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