diff options
| author | caihuoqing <cai.huoqing@linux.dev> | 2022-10-24 13:33:35 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-10-26 05:42:34 +0300 |
| commit | 022f19cf361bdbc72b51e684573c847c4f37478d (patch) | |
| tree | 0b4ff5b4737084b1b5ec064cf76e2e647fcd2430 /drivers/net/ethernet/huawei | |
| parent | a264228c8bfa1908bdd756bfb27227b51ddf4cbb (diff) | |
| download | linux-022f19cf361bdbc72b51e684573c847c4f37478d.tar.xz | |
net: hinic: Set max_mtu/min_mtu directly to simplify the code.
Set max_mtu/min_mtu directly to avoid making the validity judgment
when set mtu, because the judgment is made in net/core: dev_validate_mtu,
so to simplify the code.
Signed-off-by: caihuoqing <cai.huoqing@linux.dev>
Link: https://lore.kernel.org/r/20221024103349.4494-1-cai.huoqing@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/huawei')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_dev.h | 4 | ||||
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_main.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_port.c | 17 |
3 files changed, 7 insertions, 17 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_dev.h b/drivers/net/ethernet/huawei/hinic/hinic_dev.h index a4fbf44f944c..52ea97c818b8 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_dev.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_dev.h @@ -22,6 +22,10 @@ #define LP_PKT_CNT 64 +#define HINIC_MAX_JUMBO_FRAME_SIZE 15872 +#define HINIC_MAX_MTU_SIZE (HINIC_MAX_JUMBO_FRAME_SIZE - ETH_HLEN - ETH_FCS_LEN) +#define HINIC_MIN_MTU_SIZE 256 + enum hinic_flags { HINIC_LINK_UP = BIT(0), HINIC_INTF_UP = BIT(1), diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c index e1f54a2f28b2..9d4d795e1081 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_main.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c @@ -1187,7 +1187,8 @@ static int nic_dev_init(struct pci_dev *pdev) else netdev->netdev_ops = &hinicvf_netdev_ops; - netdev->max_mtu = ETH_MAX_MTU; + netdev->max_mtu = HINIC_MAX_MTU_SIZE; + netdev->min_mtu = HINIC_MIN_MTU_SIZE; nic_dev = netdev_priv(netdev); nic_dev->netdev = netdev; diff --git a/drivers/net/ethernet/huawei/hinic/hinic_port.c b/drivers/net/ethernet/huawei/hinic/hinic_port.c index 28ae6f1201a8..0a39c3dffa9a 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_port.c +++ b/drivers/net/ethernet/huawei/hinic/hinic_port.c @@ -17,9 +17,6 @@ #include "hinic_port.h" #include "hinic_dev.h" -#define HINIC_MIN_MTU_SIZE 256 -#define HINIC_MAX_JUMBO_FRAME_SIZE 15872 - enum mac_op { MAC_DEL, MAC_SET, @@ -147,24 +144,12 @@ int hinic_port_get_mac(struct hinic_dev *nic_dev, u8 *addr) **/ int hinic_port_set_mtu(struct hinic_dev *nic_dev, int new_mtu) { - struct net_device *netdev = nic_dev->netdev; struct hinic_hwdev *hwdev = nic_dev->hwdev; struct hinic_port_mtu_cmd port_mtu_cmd; struct hinic_hwif *hwif = hwdev->hwif; u16 out_size = sizeof(port_mtu_cmd); struct pci_dev *pdev = hwif->pdev; - int err, max_frame; - - if (new_mtu < HINIC_MIN_MTU_SIZE) { - netif_err(nic_dev, drv, netdev, "mtu < MIN MTU size"); - return -EINVAL; - } - - max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; - if (max_frame > HINIC_MAX_JUMBO_FRAME_SIZE) { - netif_err(nic_dev, drv, netdev, "mtu > MAX MTU size"); - return -EINVAL; - } + int err; port_mtu_cmd.func_idx = HINIC_HWIF_FUNC_IDX(hwif); port_mtu_cmd.mtu = new_mtu; |