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Date: Wed, 8 Jul 2020 11:48:54 +0800 From: Huazhong Tan <tanhuazhong@...wei.com> To: <davem@...emloft.net>, <willemb@...gle.com> CC: <netdev@...r.kernel.org>, <linuxarm@...wei.com>, <kuba@...nel.org>, Huazhong Tan <tanhuazhong@...wei.com> Subject: [RFC net-next 0/2] net: two updates related to UDP GSO There are two updates related to UDP GSO. #1 adds NETIF_F_GSO_UDP_L4 to NETIF_F_SOFTWARE_GSO, then the virtual device can postpone its UDP GSO to physical device, as extention to commit 83aa025f535f ("udp: add gso support to virtual devices"). #2 disable UDP GSO feature when CSUM is disabled. Currently, when disabled CSUM, sending a UDP packet who needs segmentation will will fail, but from user-space the UDP GSO feature is enabled, so disble UDP GSO feature when CSUM disabled just like what TSO does now. Huazhong Tan (2): udp: add NETIF_F_GSO_UDP_L4 to NETIF_F_SOFTWARE_GSO net: disable UDP GSO feature when CSUM is disabled include/linux/netdev_features.h | 2 +- net/core/dev.c | 6 ++++++ 2 files changed, 7 insertions(+), 1 deletion(-) -- 2.7.4
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