From: Jarod Wilson Date: Mon, 17 Oct 2016 19:54:12 +0000 (-0400) Subject: ethernet/neterion: use core min/max MTU checking X-Git-Tag: v4.10-rc1~202^2~449^2~5 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=18c310fb9583a9c69b0316b7907759017f2e152a;p=linux.git ethernet/neterion: use core min/max MTU checking s2io: min_mtu 46, max_mtu 9600 vxge: min_mtu 68, max_mtu 9600 CC: netdev@vger.kernel.org CC: Jon Mason Signed-off-by: Jarod Wilson Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index eaa37c079a7c..564f682fa4dc 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -6678,11 +6678,6 @@ static int s2io_change_mtu(struct net_device *dev, int new_mtu) struct s2io_nic *sp = netdev_priv(dev); int ret = 0; - if ((new_mtu < MIN_MTU) || (new_mtu > S2IO_JUMBO_SIZE)) { - DBG_PRINT(ERR_DBG, "%s: MTU size is invalid.\n", dev->name); - return -EPERM; - } - dev->mtu = new_mtu; if (netif_running(dev)) { s2io_stop_all_tx_queue(sp); @@ -8019,6 +8014,10 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) config->mc_start_offset = S2IO_HERC_MC_ADDR_START_OFFSET; } + /* MTU range: 46 - 9600 */ + dev->min_mtu = MIN_MTU; + dev->max_mtu = S2IO_JUMBO_SIZE; + /* store mac addresses from CAM to s2io_nic structure */ do_s2io_store_unicast_mc(sp); diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.h b/drivers/net/ethernet/neterion/vxge/vxge-config.h index 6ce4412fcc1a..cfa970417f81 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-config.h +++ b/drivers/net/ethernet/neterion/vxge/vxge-config.h @@ -27,7 +27,7 @@ (((size) - (((u64)adrs) & ((size)-1))) & ((size)-1)) #endif -#define VXGE_HW_MIN_MTU 68 +#define VXGE_HW_MIN_MTU ETH_MIN_MTU #define VXGE_HW_MAX_MTU 9600 #define VXGE_HW_DEFAULT_MTU 1500 diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index e0993eba5df3..e07b936f64ec 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -3074,11 +3074,6 @@ static int vxge_change_mtu(struct net_device *dev, int new_mtu) vxge_debug_entryexit(vdev->level_trace, "%s:%d", __func__, __LINE__); - if ((new_mtu < VXGE_HW_MIN_MTU) || (new_mtu > VXGE_HW_MAX_MTU)) { - vxge_debug_init(vdev->level_err, - "%s: mtu size is invalid", dev->name); - return -EPERM; - } /* check if device is down already */ if (unlikely(!is_vxge_card_up(vdev))) { @@ -3462,6 +3457,10 @@ static int vxge_device_register(struct __vxge_hw_device *hldev, "%s : using High DMA", __func__); } + /* MTU range: 68 - 9600 */ + ndev->min_mtu = VXGE_HW_MIN_MTU; + ndev->max_mtu = VXGE_HW_MAX_MTU; + ret = register_netdev(ndev); if (ret) { vxge_debug_init(vxge_hw_device_trace_level_get(hldev),