lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-Id: <1333041315-4303-1-git-send-email-rabin@rab.in> Date: Thu, 29 Mar 2012 22:45:15 +0530 From: Rabin Vincent <rabin@....in> To: oliver@...kum.name Cc: linux-usb@...r.kernel.org, netdev@...r.kernel.org, Rabin Vincent <rabin@....in> Subject: [PATCH] net: usb: cdc_eem: fix mtu Make CDC EEM recalculate the hard_mtu after adjusting the hard_header_len. Without this, usbnet adjusts the MTU down to 1494 bytes, and the host is unable to receive standard 1500-byte frames from the device. Tested with the Linux USB Ethernet gadget. Cc: Oliver Neukum <oliver@...kum.name> Signed-off-by: Rabin Vincent <rabin@....in> --- drivers/net/usb/cdc_eem.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index 882f53f..82d43b2 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -93,6 +93,7 @@ static int eem_bind(struct usbnet *dev, struct usb_interface *intf) /* no jumbogram (16K) support for now */ dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN; + dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; return 0; } -- 1.7.9.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists