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Message-ID: <13f1b08a430493e7714842345da649e64d0992b4.1499865197.git.aviad.krawczyk@huawei.com>
Date: Wed, 12 Jul 2017 22:17:15 +0800
From: Aviad Krawczyk <aviad.krawczyk@...wei.com>
To: <davem@...emloft.net>
CC: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
<bc.y@...wei.com>, <victor.gissin@...wei.com>,
<aviad.krawczyk@...wei.com>, <zhaochen6@...wei.com>,
<tony.qu@...wei.com>
Subject: [PATCH net 09/20] net/hinic: Add Rx mode and link event handler
Add port management message for setting Rx mode in the card,
used for rx_mode netdev operation.
The link event handler is used for getting a notification about
the link state.
Signed-off-by: Aviad Krawczyk <aviad.krawczyk@...wei.com>
Signed-off-by: Zhaochen <zhaochen6@...wei.com>
---
drivers/net/ethernet/huawei/hinic/hinic_dev.h | 17 ++
drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h | 2 +
drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c | 118 +++++++++
drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h | 37 +++
drivers/net/ethernet/huawei/hinic/hinic_hw_if.c | 17 ++
drivers/net/ethernet/huawei/hinic/hinic_hw_if.h | 17 ++
drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c | 65 ++++-
drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h | 28 +++
drivers/net/ethernet/huawei/hinic/hinic_main.c | 289 +++++++++++++++++++++-
drivers/net/ethernet/huawei/hinic/hinic_port.c | 101 ++++++++
drivers/net/ethernet/huawei/hinic/hinic_port.h | 66 +++++
11 files changed, 754 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_dev.h
index f642186..7cb9533 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_dev.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_dev.h
@@ -19,20 +19,37 @@
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/semaphore.h>
+#include <linux/workqueue.h>
+#include <linux/bitops.h>
#include "hinic_hw_dev.h"
#define HINIC_DRV_NAME "HiNIC"
#define HINIC_DRV_VERSION "1.0"
+enum hinic_flags {
+ HINIC_LINK_UP = BIT(0),
+ HINIC_INTF_UP = BIT(1),
+};
+
+struct hinic_rx_mode_work {
+ struct work_struct work;
+ u32 rx_mode;
+};
+
struct hinic_dev {
struct net_device *netdev;
struct hinic_hwdev *hwdev;
u32 msg_enable;
+ unsigned int flags;
+
struct semaphore mgmt_lock;
unsigned long *vlan_bitmap;
+
+ struct hinic_rx_mode_work rx_mode_work;
+ struct workqueue_struct *workq;
};
#endif
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h
index ae84719..6f9df4d 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_csr.h
@@ -20,6 +20,8 @@
#define HINIC_CSR_FUNC_ATTR0_ADDR 0x0
#define HINIC_CSR_FUNC_ATTR1_ADDR 0x4
+#define HINIC_CSR_FUNC_ATTR5_ADDR 0x14
+
#define HINIC_DMA_ATTR_BASE 0xC80
#define HINIC_ELECTION_BASE 0x4200
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
index c6138f1..31747dd 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c
@@ -237,6 +237,112 @@ int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
}
/**
+ * hinic_hwdev_cb_register - register callback handler for MGMT events
+ * @hwdev: the NIC HW device
+ * @cmd: the mgmt event
+ * @handle: private data for the handler
+ * @handler: event handler
+ **/
+void hinic_hwdev_cb_register(struct hinic_hwdev *hwdev,
+ enum hinic_mgmt_msg_cmd cmd, void *handle,
+ void (*handler)(void *handle, void *buf_in,
+ u16 in_size, void *buf_out,
+ u16 *out_size))
+{
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct hinic_pfhwdev *pfhwdev;
+ struct hinic_nic_cb *nic_cb;
+ u8 cmd_cb;
+
+ if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
+ pr_err("unsupported PCI Function type\n");
+ return;
+ }
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+ cmd_cb = cmd - HINIC_MGMT_MSG_CMD_BASE;
+ nic_cb = &pfhwdev->nic_cb[cmd_cb];
+
+ nic_cb->handler = handler;
+ nic_cb->handle = handle;
+ nic_cb->cb_state = HINIC_CB_ENABLED;
+}
+
+/**
+ * hinic_hwdev_cb_unregister - unregister callback handler for MGMT events
+ * @hwdev: the NIC HW device
+ * @cmd: the mgmt event
+ **/
+void hinic_hwdev_cb_unregister(struct hinic_hwdev *hwdev,
+ enum hinic_mgmt_msg_cmd cmd)
+{
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct hinic_pfhwdev *pfhwdev;
+ struct hinic_nic_cb *nic_cb;
+ u8 cmd_cb;
+
+ if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
+ pr_err("unsupported PCI Function type\n");
+ return;
+ }
+
+ pfhwdev = container_of(hwdev, struct hinic_pfhwdev, hwdev);
+
+ cmd_cb = cmd - HINIC_MGMT_MSG_CMD_BASE;
+ nic_cb = &pfhwdev->nic_cb[cmd_cb];
+
+ nic_cb->cb_state &= ~HINIC_CB_ENABLED;
+
+ while (nic_cb->cb_state & HINIC_CB_RUNNING)
+ schedule();
+
+ nic_cb->handler = NULL;
+}
+
+/**
+ * nic_mgmt_msg_handler - nic mgmt event handler
+ * @handle: private data for the handler
+ * @buf_in: input buffer
+ * @in_size: input size
+ * @buf_out: output buffer
+ * @out_size: returned output size
+ **/
+static void nic_mgmt_msg_handler(void *handle, u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out, u16 *out_size)
+{
+ struct hinic_pfhwdev *pfhwdev = (struct hinic_pfhwdev *)handle;
+ struct hinic_hwdev *hwdev = &pfhwdev->hwdev;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ struct hinic_nic_cb *nic_cb;
+ enum hinic_cb_state cb_state;
+ u8 cmd_cb;
+
+ if ((cmd < HINIC_MGMT_MSG_CMD_BASE) ||
+ (cmd >= HINIC_MGMT_MSG_CMD_MAX)) {
+ dev_err(&pdev->dev, "unknown L2NIC event, cmd = %d\n", cmd);
+ return;
+ }
+
+ cmd_cb = (enum hinic_mgmt_msg_cmd)cmd - HINIC_MGMT_MSG_CMD_BASE;
+
+ nic_cb = &pfhwdev->nic_cb[cmd_cb];
+
+ cb_state = cmpxchg(&nic_cb->cb_state,
+ HINIC_CB_ENABLED,
+ HINIC_CB_ENABLED | HINIC_CB_RUNNING);
+
+ if ((cb_state == HINIC_CB_ENABLED) && (nic_cb->handler))
+ nic_cb->handler(nic_cb->handle, buf_in,
+ in_size, buf_out, out_size);
+ else
+ dev_err(&pdev->dev, "Unhandled NIC Event %d\n", cmd);
+
+ nic_cb->cb_state &= ~HINIC_CB_RUNNING;
+}
+
+/**
* init_pfhwdev - Initialize the extended components of PF
* @pfhwdev: the HW device for PF
*
@@ -254,6 +360,11 @@ static int init_pfhwdev(struct hinic_pfhwdev *pfhwdev)
return err;
}
+ hinic_register_mgmt_msg_cb(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC,
+ pfhwdev, nic_mgmt_msg_handler);
+
+ hinic_set_pf_action(hwif, HINIC_PF_MGMT_ACTIVE);
+
return 0;
}
@@ -263,6 +374,13 @@ static int init_pfhwdev(struct hinic_pfhwdev *pfhwdev)
**/
static void free_pfhwdev(struct hinic_pfhwdev *pfhwdev)
{
+ struct hinic_hwdev *hwdev = &pfhwdev->hwdev;
+ struct hinic_hwif *hwif = hwdev->hwif;
+
+ hinic_set_pf_action(hwif, HINIC_PF_MGMT_INIT);
+
+ hinic_unregister_mgmt_msg_cb(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC);
+
hinic_pf_to_mgmt_free(&pfhwdev->pf_to_mgmt);
}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
index 03795be..d40d822 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_dev.h
@@ -18,6 +18,7 @@
#include <linux/pci.h>
#include <linux/types.h>
+#include <linux/bitops.h>
#include "hinic_hw_if.h"
#include "hinic_hw_eqs.h"
@@ -25,6 +26,9 @@
#define HINIC_MAX_QPS 32
+#define HINIC_MGMT_NUM_MSG_CMD (HINIC_MGMT_MSG_CMD_MAX - \
+ HINIC_MGMT_MSG_CMD_BASE)
+
struct hinic_cap {
u16 max_qps;
u16 num_qps;
@@ -55,6 +59,19 @@ enum hinic_port_cmd {
HINIC_PORT_CMD_GET_CAP = 170,
};
+enum hinic_mgmt_msg_cmd {
+ HINIC_MGMT_MSG_CMD_BASE = 160,
+
+ HINIC_MGMT_MSG_CMD_LINK_STATUS = 160,
+
+ HINIC_MGMT_MSG_CMD_MAX,
+};
+
+enum hinic_cb_state {
+ HINIC_CB_ENABLED = BIT(0),
+ HINIC_CB_RUNNING = BIT(1),
+};
+
struct hinic_hwdev {
struct hinic_hwif *hwif;
struct msix_entry *msix_entries;
@@ -64,12 +81,32 @@ struct hinic_hwdev {
struct hinic_cap nic_cap;
};
+struct hinic_nic_cb {
+ void (*handler)(void *handle, void *buf_in,
+ u16 in_size, void *buf_out,
+ u16 *out_size);
+
+ void *handle;
+ unsigned long cb_state;
+};
+
struct hinic_pfhwdev {
struct hinic_hwdev hwdev;
struct hinic_pf_to_mgmt pf_to_mgmt;
+
+ struct hinic_nic_cb nic_cb[HINIC_MGMT_NUM_MSG_CMD];
};
+void hinic_hwdev_cb_register(struct hinic_hwdev *hwdev,
+ enum hinic_mgmt_msg_cmd cmd, void *handle,
+ void (*handler)(void *handle, void *buf_in,
+ u16 in_size, void *buf_out,
+ u16 *out_size));
+
+void hinic_hwdev_cb_unregister(struct hinic_hwdev *hwdev,
+ enum hinic_mgmt_msg_cmd cmd);
+
int hinic_port_msg_cmd(struct hinic_hwdev *hwdev, enum hinic_port_cmd cmd,
void *buf_in, u16 in_size, void *buf_out,
u16 *out_size);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
index 79331ae..11dfa2d 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.c
@@ -118,6 +118,23 @@ int hinic_msix_attr_cnt_clear(struct hinic_hwif *hwif, u16 msix_index)
}
/**
+ * hinic_set_pf_action - set action on pf channel
+ * @hwif: the HW interface of a pci function device
+ * @action: action on pf channel
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+void hinic_set_pf_action(struct hinic_hwif *hwif, enum hinic_pf_action action)
+{
+ u32 attr5 = hinic_hwif_read_reg(hwif, HINIC_CSR_FUNC_ATTR5_ADDR);
+
+ attr5 = HINIC_FA5_CLEAR(attr5, PF_ACTION);
+ attr5 |= HINIC_FA5_SET(action, PF_ACTION);
+
+ hinic_hwif_write_reg(hwif, HINIC_CSR_FUNC_ATTR5_ADDR, attr5);
+}
+
+/**
* hwif_ready - test if the HW is ready for use
* @hwif: the HW interface of a pci function device
*
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h
index cb6c2be..162c090 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h
@@ -73,6 +73,15 @@
#define HINIC_FA1_GET(val, member) \
(((val) >> HINIC_FA1_##member##_SHIFT) & HINIC_FA1_##member##_MASK)
+#define HINIC_FA5_PF_ACTION_SHIFT 0
+#define HINIC_FA5_PF_ACTION_MASK 0xFFFF
+
+#define HINIC_FA5_SET(val, member) \
+ (((u32)(val) & HINIC_FA5_##member##_MASK) << HINIC_FA5_##member##_SHIFT)
+
+#define HINIC_FA5_CLEAR(val, member) \
+ ((val) & (~(HINIC_FA5_##member##_MASK << HINIC_FA5_##member##_SHIFT)))
+
#define HINIC_PPF_ELECTION_IDX_SHIFT 0
#define HINIC_PPF_ELECTION_IDX_MASK 0x1F
@@ -166,6 +175,12 @@ enum hinic_node_id {
HINIC_NODE_ID_MGMT = 21,
};
+enum hinic_pf_action {
+ HINIC_PF_MGMT_INIT = 0x0,
+
+ HINIC_PF_MGMT_ACTIVE = 0x11,
+};
+
struct hinic_func_attr {
u16 func_global_idx;
u8 pf_idx;
@@ -212,6 +227,8 @@ int hinic_msix_attr_get(struct hinic_hwif *hwif, u16 msix_index,
int hinic_msix_attr_cnt_clear(struct hinic_hwif *hwif, u16 msix_index);
+void hinic_set_pf_action(struct hinic_hwif *hwif, enum hinic_pf_action action);
+
int hinic_init_hwif(struct hinic_hwif *hwif, struct pci_dev *pdev);
void hinic_free_hwif(struct hinic_hwif *hwif);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
index 2759054..8a98625 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c
@@ -75,6 +75,46 @@ enum msg_ack_type {
};
/**
+ * hinic_register_mgmt_msg_cb - register msg handler for a msg from a module
+ * @pf_to_mgmt: PF to MGMT channel
+ * @mod: module in the chip that this handler will handle its messages
+ * @handle: private data for the callback
+ * @callback: the handler that will handle messages
+ **/
+void hinic_register_mgmt_msg_cb(struct hinic_pf_to_mgmt *pf_to_mgmt,
+ enum hinic_mod_type mod,
+ void *handle,
+ void (*callback)(void *handle,
+ u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out,
+ u16 *out_size))
+{
+ struct hinic_mgmt_cb *mgmt_cb = &pf_to_mgmt->mgmt_cb[mod];
+
+ mgmt_cb->cb = callback;
+ mgmt_cb->handle = handle;
+ mgmt_cb->state = HINIC_MGMT_CB_ENABLED;
+}
+
+/**
+ * hinic_unregister_mgmt_msg_cb - unregister msg handler for a msg from a module
+ * @pf_to_mgmt: PF to MGMT channel
+ * @mod: module in the chip that this handler handles its messages
+ **/
+void hinic_unregister_mgmt_msg_cb(struct hinic_pf_to_mgmt *pf_to_mgmt,
+ enum hinic_mod_type mod)
+{
+ struct hinic_mgmt_cb *mgmt_cb = &pf_to_mgmt->mgmt_cb[mod];
+
+ mgmt_cb->state &= ~HINIC_MGMT_CB_ENABLED;
+
+ while (mgmt_cb->state & HINIC_MGMT_CB_RUNNING)
+ schedule();
+
+ mgmt_cb->cb = NULL;
+}
+
+/**
* prepare_header - prepare the header of the message
* @pf_to_mgmt: PF to MGMT channel
* @header: pointer of the header to prepare
@@ -337,11 +377,32 @@ static void mgmt_recv_msg_handler(struct hinic_pf_to_mgmt *pf_to_mgmt,
{
struct hinic_hwif *hwif = pf_to_mgmt->hwif;
struct pci_dev *pdev = hwif->pdev;
- void *buf_out = recv_msg->buf_out;
+ void *handle, *buf_out = recv_msg->buf_out;
enum hinic_mod_type mod = recv_msg->mod;
+ struct hinic_mgmt_cb *mgmt_cb;
+ unsigned long cb_state;
u16 out_size = 0;
- dev_err(&pdev->dev, "No MGMT msg handler, mod = %d\n", mod);
+ if (mod >= HINIC_MOD_MAX) {
+ dev_err(&pdev->dev, "Unknown MGMT MSG module = %d\n", mod);
+ return;
+ }
+
+ mgmt_cb = &pf_to_mgmt->mgmt_cb[mod];
+ handle = mgmt_cb->handle;
+
+ cb_state = cmpxchg(&mgmt_cb->state,
+ HINIC_MGMT_CB_ENABLED,
+ HINIC_MGMT_CB_ENABLED | HINIC_MGMT_CB_RUNNING);
+
+ if ((cb_state == HINIC_MGMT_CB_ENABLED) && (mgmt_cb->cb))
+ mgmt_cb->cb(handle, recv_msg->cmd,
+ recv_msg->msg, recv_msg->msg_len,
+ buf_out, &out_size);
+ else
+ dev_err(&pdev->dev, "No MGMT msg handler, mod = %d\n", mod);
+
+ mgmt_cb->state &= ~HINIC_MGMT_CB_RUNNING;
if (!recv_msg->async_mgmt_to_pf)
/* MGMT sent sync msg, send the response */
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
index a6a67cb..373b6aa 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.h
@@ -19,6 +19,7 @@
#include <linux/types.h>
#include <linux/semaphore.h>
#include <linux/completion.h>
+#include <linux/bitops.h>
#include "hinic_hw_if.h"
#include "hinic_hw_api_cmd.h"
@@ -67,6 +68,11 @@ enum hinic_cfg_cmd {
HINIC_CFG_NIC_CAP = 0,
};
+enum hinic_mgmt_cb_state {
+ HINIC_MGMT_CB_ENABLED = BIT(0),
+ HINIC_MGMT_CB_RUNNING = BIT(1),
+};
+
struct hinic_recv_msg {
void *msg;
void *buf_out;
@@ -81,6 +87,15 @@ struct hinic_recv_msg {
u16 msg_id;
};
+struct hinic_mgmt_cb {
+ void (*cb)(void *handle, u8 cmd,
+ void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size);
+
+ void *handle;
+ unsigned long state;
+};
+
struct hinic_pf_to_mgmt {
struct hinic_hwif *hwif;
@@ -92,8 +107,21 @@ struct hinic_pf_to_mgmt {
struct hinic_recv_msg recv_msg_from_mgmt;
struct hinic_api_cmd_chain *cmd_chain[HINIC_API_CMD_MAX];
+
+ struct hinic_mgmt_cb mgmt_cb[HINIC_MOD_MAX];
};
+void hinic_register_mgmt_msg_cb(struct hinic_pf_to_mgmt *pf_to_mgmt,
+ enum hinic_mod_type mod,
+ void *handle,
+ void (*callback)(void *handle,
+ u8 cmd, void *buf_in,
+ u16 in_size, void *buf_out,
+ u16 *out_size));
+
+void hinic_unregister_mgmt_msg_cb(struct hinic_pf_to_mgmt *pf_to_mgmt,
+ enum hinic_mod_type mod);
+
int hinic_msg_to_mgmt(struct hinic_pf_to_mgmt *pf_to_mgmt,
enum hinic_mod_type mod, u8 cmd,
void *buf_in, u16 in_size, void *buf_out, u16 *out_size,
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c
index 2d50650..6277112 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_main.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c
@@ -26,9 +26,11 @@
#include <linux/slab.h>
#include <linux/if_vlan.h>
#include <linux/semaphore.h>
+#include <linux/workqueue.h>
#include <net/ip.h>
#include <linux/bitops.h>
#include <linux/bitmap.h>
+#include <linux/delay.h>
#include "hinic_pci_id_tbl.h"
#include "hinic_hw_dev.h"
@@ -40,14 +42,99 @@
MODULE_VERSION(HINIC_DRV_VERSION);
MODULE_LICENSE("GPL");
+#define HINIC_WQ_NAME "hinic_dev"
+
#define MSG_ENABLE_DEFAULT (NETIF_MSG_DRV | NETIF_MSG_PROBE | \
NETIF_MSG_IFUP | \
NETIF_MSG_TX_ERR | NETIF_MSG_RX_ERR)
#define VLAN_BITMAP_SIZE(nic_dev) (ALIGN(VLAN_N_VID, 8) / 8)
+#define work_to_rx_mode_work(work) \
+ container_of(work, struct hinic_rx_mode_work, work)
+
+#define rx_mode_work_to_nic_dev(rx_mode_work) \
+ container_of(rx_mode_work, struct hinic_dev, rx_mode_work)
+
static int change_mac_addr(struct net_device *netdev, const u8 *addr);
+static int hinic_open(struct net_device *netdev)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ enum hinic_port_link_state link_state;
+ int err, ret;
+
+ err = hinic_port_set_state(nic_dev, HINIC_PORT_ENABLE);
+ if (err) {
+ netif_err(nic_dev, drv, netdev, "Failed to set port state\n");
+ return err;
+ }
+
+ /* Wait up to 3 sec between port enable to link state */
+ msleep(3000);
+
+ err = hinic_port_link_state(nic_dev, &link_state);
+ if (err) {
+ netif_err(nic_dev, drv, netdev, "Failed to get link state\n");
+ goto port_link_err;
+ }
+
+ down(&nic_dev->mgmt_lock);
+
+ if (link_state == HINIC_LINK_STATE_UP)
+ nic_dev->flags |= HINIC_LINK_UP;
+
+ nic_dev->flags |= HINIC_INTF_UP;
+
+ if ((nic_dev->flags & (HINIC_LINK_UP | HINIC_INTF_UP)) ==
+ (HINIC_LINK_UP | HINIC_INTF_UP)) {
+ netif_info(nic_dev, drv, netdev, "link + intf UP\n");
+ netif_carrier_on(netdev);
+ netif_tx_wake_all_queues(netdev);
+ }
+
+ up(&nic_dev->mgmt_lock);
+
+ netif_info(nic_dev, drv, netdev, "HINIC_INTF is UP\n");
+
+ return 0;
+
+port_link_err:
+ ret = hinic_port_set_state(nic_dev, HINIC_PORT_DISABLE);
+ if (ret)
+ netif_warn(nic_dev, drv, netdev, "Failed to revert port state\n");
+
+ return err;
+}
+
+static int hinic_close(struct net_device *netdev)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ unsigned int flags;
+ int err;
+
+ down(&nic_dev->mgmt_lock);
+
+ flags = nic_dev->flags;
+ nic_dev->flags &= ~HINIC_INTF_UP;
+
+ netif_carrier_off(netdev);
+ netif_tx_disable(netdev);
+
+ up(&nic_dev->mgmt_lock);
+
+ err = hinic_port_set_state(nic_dev, HINIC_PORT_DISABLE);
+ if (err) {
+ netif_err(nic_dev, drv, netdev, "Failed to set port state\n");
+ nic_dev->flags |= (flags & HINIC_INTF_UP);
+ return err;
+ }
+
+ netif_info(nic_dev, drv, netdev, "HINIC_INTF is DOWN\n");
+
+ return 0;
+}
+
static int hinic_change_mtu(struct net_device *netdev, int new_mtu)
{
struct hinic_dev *nic_dev = netdev_priv(netdev);
@@ -124,6 +211,82 @@ static int change_mac_addr(struct net_device *netdev, const u8 *addr)
return err;
}
+/**
+ * set_mac_addr - adding mac address to network device
+ * @netdev: network device
+ * @addr: mac address to add
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+static int set_mac_addr(struct net_device *netdev, const u8 *addr)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ unsigned long *vlan_bitmap = nic_dev->vlan_bitmap;
+ u16 vid = 0;
+ int err;
+
+ if (!is_valid_ether_addr(addr))
+ return -EADDRNOTAVAIL;
+
+ netif_info(nic_dev, drv, netdev, "set mac addr = %02x %02x %02x %02x %02x %02x\n",
+ addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+
+ down(&nic_dev->mgmt_lock);
+
+ do {
+ err = hinic_port_add_mac(nic_dev, addr, vid);
+ if (err) {
+ netif_err(nic_dev, drv, netdev,
+ "Failed to add mac\n");
+ break;
+ }
+
+ vid = find_next_bit(vlan_bitmap, VLAN_N_VID, vid + 1);
+ } while (vid != VLAN_N_VID);
+
+ up(&nic_dev->mgmt_lock);
+
+ return err;
+}
+
+/**
+ * remove_mac_addr - remove mac address from network device
+ * @netdev: network device
+ * @addr: mac address to remove
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+static int remove_mac_addr(struct net_device *netdev, const u8 *addr)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ unsigned long *vlan_bitmap = nic_dev->vlan_bitmap;
+ u16 vid = 0;
+ int err;
+
+ if (!is_valid_ether_addr(addr))
+ return -EADDRNOTAVAIL;
+
+ netif_info(nic_dev, drv, netdev, "remove mac addr = %02x %02x %02x %02x %02x %02x\n",
+ addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+
+ down(&nic_dev->mgmt_lock);
+
+ do {
+ err = hinic_port_del_mac(nic_dev, addr, vid);
+ if (err) {
+ netif_err(nic_dev, drv, netdev,
+ "Failed to delete mac\n");
+ break;
+ }
+
+ vid = find_next_bit(vlan_bitmap, VLAN_N_VID, vid + 1);
+ } while (vid != VLAN_N_VID);
+
+ up(&nic_dev->mgmt_lock);
+
+ return err;
+}
+
static int hinic_vlan_rx_add_vid(struct net_device *netdev,
__always_unused __be16 proto, u16 vid)
{
@@ -192,12 +355,54 @@ static int hinic_vlan_rx_kill_vid(struct net_device *netdev,
return err;
}
+static void set_rx_mode(struct work_struct *work)
+{
+ struct hinic_rx_mode_work *rx_mode_work = work_to_rx_mode_work(work);
+ struct hinic_dev *nic_dev = rx_mode_work_to_nic_dev(rx_mode_work);
+ struct net_device *netdev = nic_dev->netdev;
+
+ netif_info(nic_dev, drv, netdev, "set rx mode work\n");
+
+ hinic_port_set_rx_mode(nic_dev, rx_mode_work->rx_mode);
+
+ __dev_uc_sync(netdev, set_mac_addr, remove_mac_addr);
+
+ __dev_mc_sync(netdev, set_mac_addr, remove_mac_addr);
+}
+
+static void hinic_set_rx_mode(struct net_device *netdev)
+{
+ struct hinic_dev *nic_dev = netdev_priv(netdev);
+ struct hinic_rx_mode_work *rx_mode_work = &nic_dev->rx_mode_work;
+ u32 rx_mode = HINIC_RX_MODE_UC |
+ HINIC_RX_MODE_MC |
+ HINIC_RX_MODE_BC;
+
+ if (netdev->flags & IFF_PROMISC)
+ rx_mode |= HINIC_RX_MODE_PROMISC;
+ else if (netdev->flags & IFF_ALLMULTI)
+ rx_mode |= HINIC_RX_MODE_MC_ALL;
+
+ rx_mode_work->rx_mode = rx_mode;
+
+ queue_work(nic_dev->workq, &rx_mode_work->work);
+}
+
+netdev_tx_t hinic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
+{
+ return NETDEV_TX_BUSY;
+}
+
static const struct net_device_ops hinic_netdev_ops = {
+ .ndo_open = hinic_open,
+ .ndo_stop = hinic_close,
.ndo_change_mtu = hinic_change_mtu,
.ndo_set_mac_address = hinic_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_vlan_rx_add_vid = hinic_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = hinic_vlan_rx_kill_vid,
+ .ndo_set_rx_mode = hinic_set_rx_mode,
+ .ndo_start_xmit = hinic_xmit_frame,
/* more operations should be filled */
};
@@ -211,6 +416,58 @@ static void netdev_features_init(struct net_device *netdev)
}
/**
+ * link_status_event_handler - link event handler
+ * @handle: nic device for the handler
+ * @buf_in: input buffer
+ * @in_size: input size
+ * @buf_in: output buffer
+ * @out_size: returned output size
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+static void link_status_event_handler(void *handle, void *buf_in, u16 in_size,
+ void *buf_out, u16 *out_size)
+{
+ struct hinic_dev *nic_dev = (struct hinic_dev *)handle;
+ struct net_device *netdev = nic_dev->netdev;
+ struct hinic_port_link_status *link_status, *ret_link_status;
+
+ link_status = buf_in;
+
+ if (link_status->link == HINIC_LINK_STATE_UP) {
+ down(&nic_dev->mgmt_lock);
+
+ nic_dev->flags |= HINIC_LINK_UP;
+
+ if ((nic_dev->flags & (HINIC_LINK_UP | HINIC_INTF_UP)) ==
+ (HINIC_LINK_UP | HINIC_INTF_UP)) {
+ netif_carrier_on(netdev);
+ netif_tx_wake_all_queues(netdev);
+ }
+
+ up(&nic_dev->mgmt_lock);
+
+ netif_info(nic_dev, drv, netdev, "HINIC_Link is UP\n");
+ } else {
+ down(&nic_dev->mgmt_lock);
+
+ nic_dev->flags &= ~HINIC_LINK_UP;
+
+ netif_carrier_off(netdev);
+ netif_tx_disable(netdev);
+
+ up(&nic_dev->mgmt_lock);
+
+ netif_info(nic_dev, drv, netdev, "HINIC_Link is DOWN\n");
+ }
+
+ ret_link_status = buf_out;
+ ret_link_status->status = 0;
+
+ *out_size = sizeof(*ret_link_status);
+}
+
+/**
* nic_dev_init - Initialize the NIC device
* @pdev: the NIC pci device
*
@@ -221,6 +478,7 @@ static int nic_dev_init(struct pci_dev *pdev)
struct hinic_dev *nic_dev;
struct net_device *netdev;
struct hinic_hwdev *hwdev;
+ struct hinic_rx_mode_work *rx_mode_work;
int err, num_qps;
err = hinic_init_hwdev(&hwdev, pdev);
@@ -249,6 +507,7 @@ static int nic_dev_init(struct pci_dev *pdev)
nic_dev->hwdev = hwdev;
nic_dev->netdev = netdev;
nic_dev->msg_enable = MSG_ENABLE_DEFAULT;
+ nic_dev->flags = 0;
sema_init(&nic_dev->mgmt_lock, 1);
@@ -258,6 +517,12 @@ static int nic_dev_init(struct pci_dev *pdev)
goto vlan_bitmap_err;
}
+ nic_dev->workq = create_singlethread_workqueue(HINIC_WQ_NAME);
+ if (!nic_dev->workq) {
+ err = -ENOMEM;
+ goto workq_err;
+ }
+
pci_set_drvdata(pdev, netdev);
err = hinic_port_get_mac(nic_dev, netdev->dev_addr);
@@ -276,10 +541,16 @@ static int nic_dev_init(struct pci_dev *pdev)
goto set_mtu_err;
}
+ rx_mode_work = &nic_dev->rx_mode_work;
+ INIT_WORK(&rx_mode_work->work, set_rx_mode);
+
netdev_features_init(netdev);
netif_carrier_off(netdev);
+ hinic_hwdev_cb_register(nic_dev->hwdev, HINIC_MGMT_MSG_CMD_LINK_STATUS,
+ nic_dev, link_status_event_handler);
+
err = register_netdev(netdev);
if (err) {
netif_err(nic_dev, probe, netdev, "Failed to register netdev\n");
@@ -289,9 +560,16 @@ static int nic_dev_init(struct pci_dev *pdev)
return 0;
reg_netdev_err:
+ hinic_hwdev_cb_unregister(nic_dev->hwdev,
+ HINIC_MGMT_MSG_CMD_LINK_STATUS);
+ cancel_work_sync(&rx_mode_work->work);
+
set_mtu_err:
add_mac_err:
pci_set_drvdata(pdev, NULL);
+ destroy_workqueue(nic_dev->workq);
+
+workq_err:
kfree(nic_dev->vlan_bitmap);
vlan_bitmap_err:
@@ -366,15 +644,24 @@ static void hinic_remove(struct pci_dev *pdev)
{
struct net_device *netdev = pci_get_drvdata(pdev);
struct hinic_dev *nic_dev;
+ struct hinic_rx_mode_work *rx_mode_work;
if (!netdev)
return;
unregister_netdev(netdev);
+ nic_dev = netdev_priv(netdev);
+
+ hinic_hwdev_cb_unregister(nic_dev->hwdev,
+ HINIC_MGMT_MSG_CMD_LINK_STATUS);
+
+ rx_mode_work = &nic_dev->rx_mode_work;
+ cancel_work_sync(&rx_mode_work->work);
+
pci_set_drvdata(pdev, NULL);
- nic_dev = netdev_priv(netdev);
+ destroy_workqueue(nic_dev->workq);
kfree(nic_dev->vlan_bitmap);
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.c b/drivers/net/ethernet/huawei/hinic/hinic_port.c
index 7d9e87f..11e4ebf 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_port.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_port.c
@@ -239,3 +239,104 @@ int hinic_port_del_vlan(struct hinic_dev *nic_dev, u16 vlan_id)
return 0;
}
+
+/**
+ * hinic_port_set_rx_mode - set rx mode in the nic device
+ * @nic_dev: nic device
+ * @rx_mode: the rx mode to set
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_set_rx_mode(struct hinic_dev *nic_dev, u32 rx_mode)
+{
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ struct hinic_port_rx_mode_cmd rx_mode_cmd;
+ int err;
+
+ rx_mode_cmd.func_idx = HINIC_HWIF_GLOB_IDX(hwif);
+ rx_mode_cmd.rx_mode = rx_mode;
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_RX_MODE,
+ &rx_mode_cmd, sizeof(rx_mode_cmd),
+ NULL, NULL);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to set RX mode\n");
+ return err;
+ }
+
+ return 0;
+}
+
+/**
+ * hinic_port_link_state - get the link state
+ * @nic_dev: nic device
+ * @link_state: the returned link state
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_link_state(struct hinic_dev *nic_dev,
+ enum hinic_port_link_state *link_state)
+{
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ struct hinic_port_link_cmd link_cmd;
+ u16 out_size;
+ int err;
+
+ if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
+ pr_err("unsupported PCI Function type\n");
+ return -EINVAL;
+ }
+
+ link_cmd.func_idx = HINIC_HWIF_GLOB_IDX(hwif);
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_GET_LINK_STATE,
+ &link_cmd, sizeof(link_cmd),
+ &link_cmd, &out_size);
+ if (err || (out_size != sizeof(link_cmd)) || link_cmd.status) {
+ dev_err(&pdev->dev, "Failed to get link state, ret = %d\n",
+ link_cmd.status);
+ return -EINVAL;
+ }
+
+ *link_state = link_cmd.state;
+ return 0;
+}
+
+/**
+ * hinic_port_set_state - set port state
+ * @nic_dev: nic device
+ * @state: the state to set
+ *
+ * Return 0 - Success, negative - Failure
+ **/
+int hinic_port_set_state(struct hinic_dev *nic_dev, enum hinic_port_state state)
+{
+ struct hinic_hwdev *hwdev = nic_dev->hwdev;
+ struct hinic_hwif *hwif = hwdev->hwif;
+ struct pci_dev *pdev = hwif->pdev;
+ struct hinic_port_state_cmd port_state;
+ u16 out_size;
+ int err;
+
+ if (!HINIC_IS_PF(hwif) && !HINIC_IS_PPF(hwif)) {
+ pr_err("unsupported PCI Function type\n");
+ return -EINVAL;
+ }
+
+ port_state.state = state;
+
+ err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_PORT_STATE,
+ &port_state, sizeof(port_state),
+ &port_state, &out_size);
+ if (err || (out_size != sizeof(port_state)) || port_state.status) {
+ dev_err(&pdev->dev, "Failed to set port state, ret = %d\n",
+ port_state.status);
+ return -EFAULT;
+ }
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.h b/drivers/net/ethernet/huawei/hinic/hinic_port.h
index 20672b8..abe645d 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_port.h
+++ b/drivers/net/ethernet/huawei/hinic/hinic_port.h
@@ -18,9 +18,28 @@
#include <linux/types.h>
#include <linux/etherdevice.h>
+#include <linux/bitops.h>
#include "hinic_dev.h"
+enum hinic_rx_mode {
+ HINIC_RX_MODE_UC = BIT(0),
+ HINIC_RX_MODE_MC = BIT(1),
+ HINIC_RX_MODE_BC = BIT(2),
+ HINIC_RX_MODE_MC_ALL = BIT(3),
+ HINIC_RX_MODE_PROMISC = BIT(4),
+};
+
+enum hinic_port_link_state {
+ HINIC_LINK_STATE_DOWN = 0,
+ HINIC_LINK_STATE_UP = 1,
+};
+
+enum hinic_port_state {
+ HINIC_PORT_DISABLE = 0,
+ HINIC_PORT_ENABLE = 3,
+};
+
struct hinic_port_mac_cmd {
u8 status;
u8 version;
@@ -51,6 +70,45 @@ struct hinic_port_vlan_cmd {
u16 vlan_id;
};
+struct hinic_port_rx_mode_cmd {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_idx;
+ u16 rsvd;
+ u32 rx_mode;
+};
+
+struct hinic_port_link_cmd {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 func_idx;
+ u8 state;
+ u8 rsvd1;
+};
+
+struct hinic_port_state_cmd {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u8 state;
+ u8 rsvd1[3];
+};
+
+struct hinic_port_link_status {
+ u8 status;
+ u8 version;
+ u8 rsvd0[6];
+
+ u16 rsvd1;
+ u8 link;
+ u8 rsvd2;
+};
+
int hinic_port_add_mac(struct hinic_dev *nic_dev, const u8 *addr,
u16 vlan_id);
@@ -65,4 +123,12 @@ int hinic_port_del_mac(struct hinic_dev *nic_dev, const u8 *addr,
int hinic_port_del_vlan(struct hinic_dev *nic_dev, u16 vlan_id);
+int hinic_port_set_rx_mode(struct hinic_dev *nic_dev, u32 rx_mode);
+
+int hinic_port_link_state(struct hinic_dev *nic_dev,
+ enum hinic_port_link_state *link_state);
+
+int hinic_port_set_state(struct hinic_dev *nic_dev,
+ enum hinic_port_state state);
+
#endif
--
1.9.1
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