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authorSucheta Chakraborty <sucheta.chakraborty@qlogic.com>2011-06-22 02:52:23 +0000
committerDavid S. Miller <davem@davemloft.net>2011-06-24 01:17:07 -0700
commit22c8c9343258feda9ea9ebb9e5f8cbb727b69454 (patch)
treefac14dcf287c032ff83c832a253178b90a2228b3 /drivers/net/qlcnic
parent9d6a6440fe30132e4d1f1aadd099345ced9178fb (diff)
qlcnic: multi protocol internal loopback support added.
Driver will generate loopback traffic pattern and do the test. And returns result of the test to application. Updated driver version to 5.0.19. Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/qlcnic')
-rw-r--r--drivers/net/qlcnic/qlcnic.h22
-rw-r--r--drivers/net/qlcnic/qlcnic_ethtool.c123
-rw-r--r--drivers/net/qlcnic/qlcnic_hw.c50
-rw-r--r--drivers/net/qlcnic/qlcnic_init.c126
-rw-r--r--drivers/net/qlcnic/qlcnic_main.c6
5 files changed, 322 insertions, 5 deletions
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index 0be84bdb55b8..e5454502df6b 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -36,8 +36,8 @@
#define _QLCNIC_LINUX_MAJOR 5
#define _QLCNIC_LINUX_MINOR 0
-#define _QLCNIC_LINUX_SUBVERSION 18
-#define QLCNIC_LINUX_VERSIONID "5.0.18"
+#define _QLCNIC_LINUX_SUBVERSION 19
+#define QLCNIC_LINUX_VERSIONID "5.0.19"
#define QLCNIC_DRV_IDC_VER 0x01
#define QLCNIC_DRIVER_VERSION ((_QLCNIC_LINUX_MAJOR << 16) |\
(_QLCNIC_LINUX_MINOR << 8) | (_QLCNIC_LINUX_SUBVERSION))
@@ -451,6 +451,7 @@ struct qlcnic_hardware_context {
u8 revision_id;
u8 pci_func;
u8 linkup;
+ u8 loopback_state;
u16 port_type;
u16 board_type;
@@ -780,6 +781,13 @@ struct qlcnic_mac_list_s {
#define QLCNIC_IP_UP 2
#define QLCNIC_IP_DOWN 3
+#define QLCNIC_ILB_MODE 0x1
+
+#define QLCNIC_LINKEVENT 0x1
+#define QLCNIC_LB_RESPONSE 0x2
+#define QLCNIC_IS_LB_CONFIGURED(VAL) \
+ (VAL == (QLCNIC_LINKEVENT | QLCNIC_LB_RESPONSE))
+
/*
* Driver --> Firmware
*/
@@ -789,13 +797,17 @@ struct qlcnic_mac_list_s {
#define QLCNIC_H2C_OPCODE_LRO_REQUEST 0x7
#define QLCNIC_H2C_OPCODE_SET_MAC_RECEIVE_MODE 0xc
#define QLCNIC_H2C_OPCODE_CONFIG_IPADDR 0x12
+
#define QLCNIC_H2C_OPCODE_GET_LINKEVENT 0x15
#define QLCNIC_H2C_OPCODE_CONFIG_BRIDGING 0x17
#define QLCNIC_H2C_OPCODE_CONFIG_HW_LRO 0x18
+#define QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK 0x13
+
/*
* Firmware --> Driver
*/
+#define QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK 0x8f
#define QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE 141
#define VPORT_MISS_MODE_DROP 0 /* drop all unmatched */
@@ -1430,6 +1442,12 @@ int qlcnic_send_lro_cleanup(struct qlcnic_adapter *adapter);
void qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
struct qlcnic_host_tx_ring *tx_ring);
void qlcnic_fetch_mac(struct qlcnic_adapter *, u32, u32, u8, u8 *);
+void qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring);
+void qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter);
+int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode);
+
+/* Functions from qlcnic_ethtool.c */
+int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[]);
/* Functions from qlcnic_main.c */
int qlcnic_reset_context(struct qlcnic_adapter *);
diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index 31f5cba62223..743035e4538d 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -84,7 +84,8 @@ static const char qlcnic_device_gstrings_stats[][ETH_GSTRING_LEN] = {
static const char qlcnic_gstrings_test[][ETH_GSTRING_LEN] = {
"Register_Test_on_offline",
"Link_Test_on_offline",
- "Interrupt_Test_offline"
+ "Interrupt_Test_offline",
+ "Loopback_Test_offline"
};
#define QLCNIC_TEST_LEN ARRAY_SIZE(qlcnic_gstrings_test)
@@ -685,6 +686,123 @@ clear_it:
return ret;
}
+#define QLCNIC_ILB_PKT_SIZE 64
+#define QLCNIC_NUM_ILB_PKT 16
+#define QLCNIC_ILB_MAX_RCV_LOOP 10
+
+static void qlcnic_create_loopback_buff(unsigned char *data, u8 mac[])
+{
+ unsigned char random_data[] = {0xa8, 0x06, 0x45, 0x00};
+
+ memset(data, 0x4e, QLCNIC_ILB_PKT_SIZE);
+
+ memcpy(data, mac, ETH_ALEN);
+ memcpy(data + ETH_ALEN, mac, ETH_ALEN);
+
+ memcpy(data + 2 * ETH_ALEN, random_data, sizeof(random_data));
+}
+
+int qlcnic_check_loopback_buff(unsigned char *data, u8 mac[])
+{
+ unsigned char buff[QLCNIC_ILB_PKT_SIZE];
+ qlcnic_create_loopback_buff(buff, mac);
+ return memcmp(data, buff, QLCNIC_ILB_PKT_SIZE);
+}
+
+static int qlcnic_do_ilb_test(struct qlcnic_adapter *adapter)
+{
+ struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
+ struct qlcnic_host_sds_ring *sds_ring = &recv_ctx->sds_rings[0];
+ struct sk_buff *skb;
+ int i, loop, cnt = 0;
+
+ for (i = 0; i < QLCNIC_NUM_ILB_PKT; i++) {
+ skb = dev_alloc_skb(QLCNIC_ILB_PKT_SIZE);
+ qlcnic_create_loopback_buff(skb->data, adapter->mac_addr);
+ skb_put(skb, QLCNIC_ILB_PKT_SIZE);
+
+ adapter->diag_cnt = 0;
+ qlcnic_xmit_frame(skb, adapter->netdev);
+
+ loop = 0;
+ do {
+ msleep(1);
+ qlcnic_process_rcv_ring_diag(sds_ring);
+ if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP)
+ break;
+ } while (!adapter->diag_cnt);
+
+ dev_kfree_skb_any(skb);
+
+ if (!adapter->diag_cnt)
+ dev_warn(&adapter->pdev->dev, "ILB Test: %dth packet"
+ " not recevied\n", i + 1);
+ else
+ cnt++;
+ }
+ if (cnt != i) {
+ dev_warn(&adapter->pdev->dev, "ILB Test failed\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int qlcnic_iloopback_test(struct net_device *netdev)
+{
+ struct qlcnic_adapter *adapter = netdev_priv(netdev);
+ int max_sds_rings = adapter->max_sds_rings;
+ struct qlcnic_host_sds_ring *sds_ring;
+ int loop = 0;
+ int ret;
+
+ netdev_info(netdev, "%s: in progress\n", __func__);
+ if (adapter->op_mode == QLCNIC_NON_PRIV_FUNC) {
+ netdev_warn(netdev, "Loopback test not supported for non "
+ "privilege function\n");
+ return 0;
+ }
+
+ if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
+ return -EIO;
+
+
+ ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST);
+ if (ret)
+ goto clear_it;
+
+ sds_ring = &adapter->recv_ctx->sds_rings[0];
+
+ ret = qlcnic_set_lb_mode(adapter, QLCNIC_ILB_MODE);
+ if (ret)
+ goto free_res;
+
+ do {
+ msleep(500);
+ qlcnic_process_rcv_ring_diag(sds_ring);
+ if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP)
+ break;
+ } while (!QLCNIC_IS_LB_CONFIGURED(adapter->ahw->loopback_state));
+
+ if (!QLCNIC_IS_LB_CONFIGURED(adapter->ahw->loopback_state)) {
+ netdev_info(netdev, "firmware didnt respond to loopback "
+ "configure request\n");
+ ret = adapter->ahw->loopback_state;
+ goto free_res;
+ }
+
+ ret = qlcnic_do_ilb_test(adapter);
+
+ qlcnic_clear_lb_mode(adapter);
+
+ free_res:
+ qlcnic_diag_free_res(netdev, max_sds_rings);
+
+ clear_it:
+ adapter->max_sds_rings = max_sds_rings;
+ clear_bit(__QLCNIC_RESETTING, &adapter->state);
+ return ret;
+}
+
static void
qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
u64 *data)
@@ -704,6 +822,9 @@ qlcnic_diag_test(struct net_device *dev, struct ethtool_test *eth_test,
if (data[2])
eth_test->flags |= ETH_TEST_FL_FAILED;
+ data[3] = qlcnic_iloopback_test(dev);
+ if (data[3])
+ eth_test->flags |= ETH_TEST_FL_FAILED;
}
}
diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c
index 81de563ee96c..0391a04695dd 100644
--- a/drivers/net/qlcnic/qlcnic_hw.c
+++ b/drivers/net/qlcnic/qlcnic_hw.c
@@ -533,6 +533,56 @@ void qlcnic_delete_lb_filters(struct qlcnic_adapter *adapter)
}
}
+int qlcnic_set_fw_loopback(struct qlcnic_adapter *adapter, u8 flag)
+{
+ struct qlcnic_nic_req req;
+ int rv;
+
+ memset(&req, 0, sizeof(struct qlcnic_nic_req));
+
+ req.qhdr = cpu_to_le64(QLCNIC_HOST_REQUEST << 23);
+ req.req_hdr = cpu_to_le64(QLCNIC_H2C_OPCODE_CONFIG_LOOPBACK |
+ ((u64) adapter->portnum << 16) | ((u64) 0x1 << 32));
+
+ req.words[0] = cpu_to_le64(flag);
+
+ rv = qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
+ if (rv != 0)
+ dev_err(&adapter->pdev->dev, "%sting loopback mode failed\n",
+ flag ? "Set" : "Reset");
+ return rv;
+}
+
+int qlcnic_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode)
+{
+ if (qlcnic_set_fw_loopback(adapter, mode))
+ return -EIO;
+
+ if (qlcnic_nic_set_promisc(adapter, VPORT_MISS_MODE_ACCEPT_ALL)) {
+ qlcnic_set_fw_loopback(adapter, mode);
+ return -EIO;
+ }
+
+ msleep(1000);
+ return 0;
+}
+
+void qlcnic_clear_lb_mode(struct qlcnic_adapter *adapter)
+{
+ int mode = VPORT_MISS_MODE_DROP;
+ struct net_device *netdev = adapter->netdev;
+
+ qlcnic_set_fw_loopback(adapter, 0);
+
+ if (netdev->flags & IFF_PROMISC)
+ mode = VPORT_MISS_MODE_ACCEPT_ALL;
+ else if (netdev->flags & IFF_ALLMULTI)
+ mode = VPORT_MISS_MODE_ACCEPT_MULTI;
+
+ qlcnic_nic_set_promisc(adapter, mode);
+ msleep(1000);
+}
+
/*
* Send the interrupt coalescing parameter set by ethtool to the card.
*/
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index 5b8bbcf904d5..9d5bee03a587 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -1281,6 +1281,7 @@ qlcnic_handle_linkevent(struct qlcnic_adapter *adapter,
u16 cable_len;
u16 link_speed;
u8 link_status, module, duplex, autoneg;
+ u8 lb_status = 0;
struct net_device *netdev = adapter->netdev;
adapter->has_link_events = 1;
@@ -1292,6 +1293,7 @@ qlcnic_handle_linkevent(struct qlcnic_adapter *adapter,
link_status = msg->body[2] & 0xff;
duplex = (msg->body[2] >> 16) & 0xff;
autoneg = (msg->body[2] >> 24) & 0xff;
+ lb_status = (msg->body[2] >> 32) & 0x3;
module = (msg->body[2] >> 8) & 0xff;
if (module == LINKEVENT_MODULE_TWINAX_UNSUPPORTED_CABLE)
@@ -1301,6 +1303,9 @@ qlcnic_handle_linkevent(struct qlcnic_adapter *adapter,
dev_info(&netdev->dev, "unsupported cable length %d\n",
cable_len);
+ if (!link_status && (lb_status == 1))
+ adapter->ahw->loopback_state |= QLCNIC_LINKEVENT;
+
qlcnic_advert_link_change(adapter, link_status);
if (duplex == LINKEVENT_FULL_DUPLEX)
@@ -1319,7 +1324,9 @@ qlcnic_handle_fw_message(int desc_cnt, int index,
{
struct qlcnic_fw_msg msg;
struct status_desc *desc;
- int i = 0, opcode;
+ struct qlcnic_adapter *adapter;
+ struct device *dev;
+ int i = 0, opcode, ret;
while (desc_cnt > 0 && i < 8) {
desc = &sds_ring->desc_head[index];
@@ -1330,10 +1337,28 @@ qlcnic_handle_fw_message(int desc_cnt, int index,
desc_cnt--;
}
+ adapter = sds_ring->adapter;
+ dev = &adapter->pdev->dev;
opcode = qlcnic_get_nic_msg_opcode(msg.body[0]);
+
switch (opcode) {
case QLCNIC_C2H_OPCODE_GET_LINKEVENT_RESPONSE:
- qlcnic_handle_linkevent(sds_ring->adapter, &msg);
+ qlcnic_handle_linkevent(adapter, &msg);
+ break;
+ case QLCNIC_C2H_OPCODE_CONFIG_LOOPBACK:
+ ret = (u32)(msg.body[1]);
+ switch (ret) {
+ case 0:
+ adapter->ahw->loopback_state |= QLCNIC_LB_RESPONSE;
+ break;
+ case 1:
+ dev_info(dev, "loopback already in progress\n");
+ break;
+ default:
+ dev_info(dev, "loopback configure request failed,"
+ " ret %x\n", ret);
+ break;
+ }
break;
default:
break;
@@ -1746,6 +1771,103 @@ qlcnic_post_rx_buffers_nodb(struct qlcnic_adapter *adapter,
spin_unlock(&rds_ring->lock);
}
+static void dump_skb(struct sk_buff *skb)
+{
+ int i;
+ unsigned char *data = skb->data;
+
+ printk(KERN_INFO "\n");
+ for (i = 0; i < skb->len; i++) {
+ printk(KERN_INFO "%02x ", data[i]);
+ if ((i & 0x0f) == 8)
+ printk(KERN_INFO "\n");
+ }
+}
+
+void qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter,
+ struct qlcnic_host_sds_ring *sds_ring,
+ int ring, u64 sts_data0)
+{
+ struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx;
+ struct sk_buff *skb;
+ struct qlcnic_host_rds_ring *rds_ring;
+ int index, length, cksum, pkt_offset;
+
+ if (unlikely(ring >= adapter->max_rds_rings))
+ return;
+
+ rds_ring = &recv_ctx->rds_rings[ring];
+
+ index = qlcnic_get_sts_refhandle(sts_data0);
+ length = qlcnic_get_sts_totallength(sts_data0);
+ if (unlikely(index >= rds_ring->num_desc))
+ return;
+
+ cksum = qlcnic_get_sts_status(sts_data0);
+ pkt_offset = qlcnic_get_sts_pkt_offset(sts_data0);
+
+ skb = qlcnic_process_rxbuf(adapter, rds_ring, index, cksum);
+ if (!skb)
+ return;
+
+ if (length > rds_ring->skb_size)
+ skb_put(skb, rds_ring->skb_size);
+ else
+ skb_put(skb, length);
+
+ if (pkt_offset)
+ skb_pull(skb, pkt_offset);
+
+ if (!qlcnic_check_loopback_buff(skb->data, adapter->mac_addr))
+ adapter->diag_cnt++;
+ else
+ dump_skb(skb);
+
+ dev_kfree_skb_any(skb);
+ adapter->stats.rx_pkts++;
+ adapter->stats.rxbytes += length;
+
+ return;
+}
+
+void
+qlcnic_process_rcv_ring_diag(struct qlcnic_host_sds_ring *sds_ring)
+{
+ struct qlcnic_adapter *adapter = sds_ring->adapter;
+ struct status_desc *desc;
+ u64 sts_data0;
+ int ring, opcode, desc_cnt;
+
+ u32 consumer = sds_ring->consumer;
+
+ desc = &sds_ring->desc_head[consumer];
+ sts_data0 = le64_to_cpu(desc->status_desc_data[0]);
+
+ if (!(sts_data0 & STATUS_OWNER_HOST))
+ return;
+
+ desc_cnt = qlcnic_get_sts_desc_cnt(sts_data0);
+ opcode = qlcnic_get_sts_opcode(sts_data0);
+ switch (opcode) {
+ case QLCNIC_RESPONSE_DESC:
+ qlcnic_handle_fw_message(desc_cnt, consumer, sds_ring);
+ break;
+ default:
+ ring = qlcnic_get_sts_type(sts_data0);
+ qlcnic_process_rcv_diag(adapter, sds_ring, ring, sts_data0);
+ break;
+ }
+
+ for (; desc_cnt > 0; desc_cnt--) {
+ desc = &sds_ring->desc_head[consumer];
+ desc->status_desc_data[0] = cpu_to_le64(STATUS_OWNER_PHANTOM);
+ consumer = get_next_index(consumer, sds_ring->num_desc);
+ }
+
+ sds_ring->consumer = consumer;
+ writel(consumer, sds_ring->crb_sts_consumer);
+}
+
void
qlcnic_fetch_mac(struct qlcnic_adapter *adapter, u32 off1, u32 off2,
u8 alt_mac, u8 *mac)
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index ac7f8a2f7d9c..357436be801e 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -1391,6 +1391,12 @@ int qlcnic_diag_alloc_res(struct net_device *netdev, int test)
qlcnic_enable_int(sds_ring);
}
}
+
+ if (adapter->diag_test == QLCNIC_LOOPBACK_TEST) {
+ adapter->ahw->loopback_state = 0;
+ qlcnic_linkevent_request(adapter, 1);
+ }
+
set_bit(__QLCNIC_DEV_UP, &adapter->state);
return 0;