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ixgbe: fix TSO in IPv6

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When TSO is used with IPv6, generated frames are incorrect.
L4 frame is OK, but length field of IPv6 header was not populated correctly.

IXGBE_ADVTXD_TUCMD_IPV6 flag is set for better readability, even if it
does nothing.

Signed-off-by: Didier Pallard <didier.pallard@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
This commit is contained in:
Didier Pallard 2015-06-22 16:21:18 +02:00 committed by Thomas Monjalon
parent 1c2bbcdfd7
commit 4feec2f44b
1 changed files with 9 additions and 4 deletions
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7
drivers/net/ixgbe/ixgbe_rxtx.c
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@ -375,10 +375,15 @@ ixgbe_set_xmit_ctx(struct ixgbe_tx_queue *txq,
/* check if TCP segmentation required for this packet */
if (ol_flags & PKT_TX_TCP_SEG) {
/* implies IP cksum and TCP cksum */
/* implies IP cksum in IPv4 */
if (ol_flags & PKT_TX_IP_CKSUM)
type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV4 |
IXGBE_ADVTXD_TUCMD_L4T_TCP |
IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
else
type_tucmd_mlhl = IXGBE_ADVTXD_TUCMD_IPV6 |
IXGBE_ADVTXD_TUCMD_L4T_TCP |
IXGBE_ADVTXD_DTYP_CTXT | IXGBE_ADVTXD_DCMD_DEXT;
tx_offload_mask.l2_len |= ~0;
tx_offload_mask.l3_len |= ~0;