From: Olivier Matz Date: Wed, 26 Nov 2014 15:04:43 +0000 (+0100) Subject: igb/ixgbe: fix IP checksum calculation X-Git-Tag: spdx-start~10068 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b22d99894a64c913f5bd5c70b0ee949459423c42;p=dpdk.git igb/ixgbe: fix IP checksum calculation 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 Acked-by: Konstantin Ananyev --- diff --git a/lib/librte_pmd_e1000/igb_rxtx.c b/lib/librte_pmd_e1000/igb_rxtx.c index 0dca7b7ffb..b40639765c 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 f9b3fe3e0c..ecebbf62b1 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. */