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Commit 8c7ee6d2 authored by Jacob Keller's avatar Jacob Keller Committed by Jeff Kirsher
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fm10k: Correct MTU for jumbo frames



Based on hardware testing, the host interface supports up to 15368 bytes
as the maximum frame size. To determine the correct MTU, we subtract 8
for the internal switch tag, 14 for the L2 header, and 4 for the
appended FCS header, resulting in 15342 bytes of payload for our maximum
MTU on jumbo frames.

Signed-off-by: default avatarMatthew Vick <matthew.vick@intel.com>
Signed-off-by: default avatarJacob Keller <jacob.e.keller@intel.com>
Acked-by: default avatarBruce Allan <bruce.w.allan@intel.com>
Tested-by: default avatarKrishneil Singh <krishneil.k.singh@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent 1340181f
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