According to Intel? 82599 10 GbE Controller Datasheet (Table 7-38), both L2 and L3 lengths are needed to offload the IP checksum.
Note that the e1000 driver does not need to be patched as it already contains the fix. Signed-off-by: Olivier Matz <olivier.matz at 6wind.com> Acked-by: Konstantin Ananyev <konstantin.ananyev at intel.com> --- lib/librte_pmd_e1000/igb_rxtx.c | 2 +- lib/librte_pmd_ixgbe/ixgbe_rxtx.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/librte_pmd_e1000/igb_rxtx.c b/lib/librte_pmd_e1000/igb_rxtx.c index 0dca7b7..b406397 100644 --- a/lib/librte_pmd_e1000/igb_rxtx.c +++ b/lib/librte_pmd_e1000/igb_rxtx.c @@ -262,7 +262,7 @@ igbe_set_xmit_ctx(struct igb_tx_queue* txq, if (ol_flags & PKT_TX_IP_CKSUM) { type_tucmd_mlhl = E1000_ADVTXD_TUCMD_IPV4; - cmp_mask |= TX_MAC_LEN_CMP_MASK; + cmp_mask |= TX_MACIP_LEN_CMP_MASK; } /* Specify which HW CTX to upload. */ diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c index f9b3fe3..ecebbf6 100644 --- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c +++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c @@ -374,7 +374,7 @@ ixgbe_set_xmit_ctx(struct igb_tx_queue* txq, if (ol_flags & PKT_TX_IP_CKSUM) { type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV4; - cmp_mask |= TX_MAC_LEN_CMP_MASK; + cmp_mask |= TX_MACIP_LEN_CMP_MASK; } /* Specify which HW CTX to upload. */ -- 2.1.0