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From 2665a92054019bdb73cd2c43e5a581d081772915 Mon Sep 17 00:00:00 2001
From: Huisong Li <lihuisong@huawei.com>
Date: Sat, 22 Jan 2022 09:51:30 +0800
Subject: [PATCH] net/hns3: extract common function to initialize MAC address
The code logic to initialize "data->mac_addrs" for PF and VF is similar.
This patch extracts a common API to initialize it to improve code
maintainability.
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Acked-by: Min Hu (Connor) <humin29@huawei.com>
---
drivers/net/hns3/hns3_common.c | 54 +++++++++++++++++++++++++++++++
drivers/net/hns3/hns3_common.h | 1 +
drivers/net/hns3/hns3_ethdev.c | 31 +++---------------
drivers/net/hns3/hns3_ethdev_vf.c | 33 +++----------------
4 files changed, 63 insertions(+), 56 deletions(-)
diff --git a/drivers/net/hns3/hns3_common.c b/drivers/net/hns3/hns3_common.c
index 78158401f2..0f39d51a87 100644
--- a/drivers/net/hns3/hns3_common.c
+++ b/drivers/net/hns3/hns3_common.c
@@ -587,6 +587,60 @@ hns3_remove_mac_addr(struct rte_eth_dev *dev, uint32_t idx)
}
}
+int
+hns3_init_mac_addrs(struct rte_eth_dev *dev)
+{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
+ const char *memory_name = hns->is_vf ? "hns3vf-mac" : "hns3-mac";
+ uint16_t mac_addrs_capa = hns->is_vf ? HNS3_VF_UC_MACADDR_NUM :
+ HNS3_UC_MACADDR_NUM;
+ char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
+ struct rte_ether_addr *eth_addr;
+
+ /* Allocate memory for storing MAC addresses */
+ dev->data->mac_addrs = rte_zmalloc(memory_name,
+ sizeof(struct rte_ether_addr) * mac_addrs_capa,
+ 0);
+ if (dev->data->mac_addrs == NULL) {
+ hns3_err(hw, "failed to allocate %zx bytes needed to store MAC addresses",
+ sizeof(struct rte_ether_addr) * mac_addrs_capa);
+ return -ENOMEM;
+ }
+
+ eth_addr = (struct rte_ether_addr *)hw->mac.mac_addr;
+ if (!hns->is_vf) {
+ if (!rte_is_valid_assigned_ether_addr(eth_addr)) {
+ rte_eth_random_addr(hw->mac.mac_addr);
+ hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
+ (struct rte_ether_addr *)hw->mac.mac_addr);
+ hns3_warn(hw, "default mac_addr from firmware is an invalid "
+ "unicast address, using random MAC address %s",
+ mac_str);
+ }
+ } else {
+ /*
+ * The hns3 PF ethdev driver in kernel support setting VF MAC
+ * address on the host by "ip link set ..." command. To avoid
+ * some incorrect scenes, for example, hns3 VF PMD driver fails
+ * to receive and send packets after user configure the MAC
+ * address by using the "ip link set ..." command, hns3 VF PMD
+ * driver keep the same MAC address strategy as the hns3 kernel
+ * ethdev driver in the initialization. If user configure a MAC
+ * address by the ip command for VF device, then hns3 VF PMD
+ * driver will start with it, otherwise start with a random MAC
+ * address in the initialization.
+ */
+ if (rte_is_zero_ether_addr(eth_addr))
+ rte_eth_random_addr(hw->mac.mac_addr);
+ }
+
+ rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
+ &dev->data->mac_addrs[0]);
+
+ return 0;
+}
+
int
hns3_init_ring_with_vector(struct hns3_hw *hw)
{
diff --git a/drivers/net/hns3/hns3_common.h b/drivers/net/hns3/hns3_common.h
index 0dbb1c0413..a9e8a9cccf 100644
--- a/drivers/net/hns3/hns3_common.h
+++ b/drivers/net/hns3/hns3_common.h
@@ -52,6 +52,7 @@ int hns3_set_mc_mac_addr_list(struct rte_eth_dev *dev,
uint32_t nb_mc_addr);
void hns3_ether_format_addr(char *buf, uint16_t size,
const struct rte_ether_addr *ether_addr);
+int hns3_init_mac_addrs(struct rte_eth_dev *dev);
int hns3_init_ring_with_vector(struct hns3_hw *hw);
int hns3_map_rx_interrupt(struct rte_eth_dev *dev);
diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index ef13d31d19..722660d0cc 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -6617,8 +6617,6 @@ static int
hns3_dev_init(struct rte_eth_dev *eth_dev)
{
struct hns3_adapter *hns = eth_dev->data->dev_private;
- char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
- struct rte_ether_addr *eth_addr;
struct hns3_hw *hw = &hns->hw;
int ret;
@@ -6661,30 +6659,9 @@ hns3_dev_init(struct rte_eth_dev *eth_dev)
goto err_init_pf;
}
- /* Allocate memory for storing MAC addresses */
- eth_dev->data->mac_addrs = rte_zmalloc("hns3-mac",
- sizeof(struct rte_ether_addr) *
- HNS3_UC_MACADDR_NUM, 0);
- if (eth_dev->data->mac_addrs == NULL) {
- PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
- "to store MAC addresses",
- sizeof(struct rte_ether_addr) *
- HNS3_UC_MACADDR_NUM);
- ret = -ENOMEM;
- goto err_rte_zmalloc;
- }
-
- eth_addr = (struct rte_ether_addr *)hw->mac.mac_addr;
- if (!rte_is_valid_assigned_ether_addr(eth_addr)) {
- rte_eth_random_addr(hw->mac.mac_addr);
- hns3_ether_format_addr(mac_str, RTE_ETHER_ADDR_FMT_SIZE,
- (struct rte_ether_addr *)hw->mac.mac_addr);
- hns3_warn(hw, "default mac_addr from firmware is an invalid "
- "unicast address, using random MAC address %s",
- mac_str);
- }
- rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
- ð_dev->data->mac_addrs[0]);
+ ret = hns3_init_mac_addrs(eth_dev);
+ if (ret != 0)
+ goto err_init_mac_addrs;
hw->adapter_state = HNS3_NIC_INITIALIZED;
@@ -6700,7 +6677,7 @@ hns3_dev_init(struct rte_eth_dev *eth_dev)
hns3_info(hw, "hns3 dev initialization successful!");
return 0;
-err_rte_zmalloc:
+err_init_mac_addrs:
hns3_uninit_pf(eth_dev);
err_init_pf:
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index 5015fe0d5f..5a1286e17b 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -2400,34 +2400,9 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev)
goto err_init_vf;
}
- /* Allocate memory for storing MAC addresses */
- eth_dev->data->mac_addrs = rte_zmalloc("hns3vf-mac",
- sizeof(struct rte_ether_addr) *
- HNS3_VF_UC_MACADDR_NUM, 0);
- if (eth_dev->data->mac_addrs == NULL) {
- PMD_INIT_LOG(ERR, "Failed to allocate %zx bytes needed "
- "to store MAC addresses",
- sizeof(struct rte_ether_addr) *
- HNS3_VF_UC_MACADDR_NUM);
- ret = -ENOMEM;
- goto err_rte_zmalloc;
- }
-
- /*
- * The hns3 PF ethdev driver in kernel support setting VF MAC address
- * on the host by "ip link set ..." command. To avoid some incorrect
- * scenes, for example, hns3 VF PMD fails to receive and send
- * packets after user configure the MAC address by using the
- * "ip link set ..." command, hns3 VF PMD keep the same MAC
- * address strategy as the hns3 kernel ethdev driver in the
- * initialization. If user configure a MAC address by the ip command
- * for VF device, then hns3 VF PMD will start with it, otherwise
- * start with a random MAC address in the initialization.
- */
- if (rte_is_zero_ether_addr((struct rte_ether_addr *)hw->mac.mac_addr))
- rte_eth_random_addr(hw->mac.mac_addr);
- rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.mac_addr,
- ð_dev->data->mac_addrs[0]);
+ ret = hns3_init_mac_addrs(eth_dev);
+ if (ret != 0)
+ goto err_init_mac_addrs;
hw->adapter_state = HNS3_NIC_INITIALIZED;
@@ -2443,7 +2418,7 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev)
eth_dev);
return 0;
-err_rte_zmalloc:
+err_init_mac_addrs:
hns3vf_uninit_vf(eth_dev);
err_init_vf:
--
2.33.0
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