The patch titled e1000e: increase minimum frame size allowed has been added to the -mm tree. Its filename is e1000e-increase-minimum-frame-size-allowed.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: e1000e: increase minimum frame size allowed From: Bruce Allan <bruce.w.allan@xxxxxxxxx> Setting an MTU value below 68 was disabling the network connection and would not reconnect until the driver was reloaded. Prevent changing the MTU to anything below 68. Signed-off-by: Bruce Allan <bruce.w.allan@xxxxxxxxx> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/net/e1000e/netdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN drivers/net/e1000e/netdev.c~e1000e-increase-minimum-frame-size-allowed drivers/net/e1000e/netdev.c --- a/drivers/net/e1000e/netdev.c~e1000e-increase-minimum-frame-size-allowed +++ a/drivers/net/e1000e/netdev.c @@ -3724,7 +3724,7 @@ static int e1000_change_mtu(struct net_d struct e1000_adapter *adapter = netdev_priv(netdev); int max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; - if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || + if ((new_mtu < ETH_ZLEN + ETH_FCS_LEN + VLAN_HLEN) || (max_frame > MAX_JUMBO_FRAME_SIZE)) { e_err("Invalid MTU setting\n"); return -EINVAL; _ Patches currently in -mm which might be from bruce.w.allan@xxxxxxxxx are origin.patch e1000e-remove-inapplicable-test-for-ioport-checkpatch-fixes.patch e1000e-return-1-instead-of-a-non-zero-value-for-link-up-indication.patch e1000e-set-interruptthrottlerate-to-default-when-invalid-value-used.patch e1000e-use-skb_copy_to_linear_data_offset-introduced-in-2622.patch e1000e-increase-tx-timeout-factor-for-10mbps.patch e1000e-increase-minimum-frame-size-allowed.patch e1000e-test-for-unusable-msi-support.patch e1000e-remove-unnecessary-snippet-missed-in-prior-check_options-update.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html