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authorSubash Abhinov Kasiviswanathan2019-07-25 12:07:12 -0600
committerDavid S. Miller2019-07-26 14:20:06 -0700
commita7cf3d24ee6081930feb4c830a7f6f16ebe31c49 (patch)
treec48c6b6df8e7a7e7f7f53c59d090ebccc7103651 /Documentation
parent01f5bffad555f8e22a61f4b1261fe09cf1b96994 (diff)
net: qualcomm: rmnet: Fix incorrect UL checksum offload logic
The udp_ip4_ind bit is set only for IPv4 UDP non-fragmented packets so that the hardware can flip the checksum to 0xFFFF if the computed checksum is 0 per RFC768. However, this bit had to be set for IPv6 UDP non fragmented packets as well per hardware requirements. Otherwise, IPv6 UDP packets with computed checksum as 0 were transmitted by hardware and were dropped in the network. In addition to setting this bit for IPv6 UDP, the field is also appropriately renamed to udp_ind as part of this change. Fixes: 5eb5f8608ef1 ("net: qualcomm: rmnet: Add support for TX checksum offload") Cc: Sean Tranchetti <stranche@codeaurora.org> Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
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