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[dpdk-dev,v2,01/13] igb/ixgbe: fix IP checksum calculation

Message ID 1415984609-2484-2-git-send-email-olivier.matz@6wind.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Olivier Matz Nov. 14, 2014, 5:03 p.m. UTC 
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>
---
 lib/librte_pmd_e1000/igb_rxtx.c   | 2 +-
 lib/librte_pmd_ixgbe/ixgbe_rxtx.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
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Patch

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. */