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net: ena: fix packet's addresses for rx_offset feature
[ Upstream commit 1396d31 ] This patch fixes two lines in which the rx_offset received by the device wasn't taken into account: - prefetch function: In our driver the copied data would reside in rx_info->page + rx_headroom + rx_offset so the prefetch function is changed accordingly. - setting page_offset to zero for descriptors > 1: for every descriptor but the first, the rx_offset is zero. Hence the page_offset value should be set to rx_headroom. The previous implementation changed the value of rx_info after the descriptor was added to the SKB (essentially providing wrong page offset). Fixes: 68f236d ("net: ena: add support for the rx offset feature") Signed-off-by: Shay Agroskin <shayagr@amazon.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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