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 <olivier.matz@6wind.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

diff --git a/lib/librte_pmd_e1000/igb_rxtx.c b/lib/librte_pmd_e1000/igb_rxtx.c
index 0dca7b7..b406397 100644 (file)
--- 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 (file)
--- 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. */