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liquidio: fix the validation of rx checksum status from NIC hardware 

Fixed the code that was incorrectly interpreting the rx checksum validation
status from hardware, and updating kernel that the packet arrived with
correct checksum though the packet arrived with incorrect checksum and
hardware also indicated checksum is not correct.

Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Acked-by: Derek Chickles <dchickles@marvell.com>
Signed-off-by: Felix Manlunas <fmanlunas@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Veerasenareddy Burru 2019-01-28 19:38:31 +00:00 committed by David S. Miller
parent bbcbf2eede
commit ac93e2fa85
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/cavium/liquidio/lio_core.c
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@ -661,7 +661,8 @@ liquidio_push_packet(u32 octeon_id __attribute__((unused)),
(((rh->r_dh.encap_on) &&
(rh->r_dh.csum_verified & CNNIC_TUN_CSUM_VERIFIED)) ||
(!(rh->r_dh.encap_on) &&
(rh->r_dh.csum_verified & CNNIC_CSUM_VERIFIED))))
((rh->r_dh.csum_verified & CNNIC_CSUM_VERIFIED) ==
CNNIC_CSUM_VERIFIED))))
/* checksum has already been verified */
skb->ip_summed = CHECKSUM_UNNECESSARY;
else