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igb/ixgbe: fix IP checksum calculation

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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>
This commit is contained in:
Olivier Matz 2014-11-26 16:04:43 +01:00 committed by Thomas Monjalon
parent ed7c51a6a6
commit b22d99894a
2 changed files with 2 additions and 2 deletions
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2
lib/librte_pmd_e1000/igb_rxtx.c
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@ -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. */

2
lib/librte_pmd_ixgbe/ixgbe_rxtx.c
View File

@ -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. */