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ixgbe: use different context for tso and offload

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Change TSO offloads to use a different context than VLAN insertion
and Tx checksumming.  Hardware has separate registers internally for
storing these so use them.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
PJ Waskiewicz 2008-08-26 04:27:30 -07:00 committed by Jeff Garzik
parent cc41ac7c00
commit 4eeae6fd3f
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ixgbe/ixgbe_main.c
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@ -3126,6 +3126,8 @@ static int ixgbe_tso(struct ixgbe_adapter *adapter,
mss_l4len_idx |=
(skb_shinfo(skb)->gso_size << IXGBE_ADVTXD_MSS_SHIFT);
mss_l4len_idx |= (l4len << IXGBE_ADVTXD_L4LEN_SHIFT);
/* use index 1 for TSO */
mss_l4len_idx |= (1 << IXGBE_ADVTXD_IDX_SHIFT);
context_desc->mss_l4len_idx = cpu_to_le32(mss_l4len_idx);
tx_buffer_info->time_stamp = jiffies;
@ -3198,6 +3200,7 @@ static bool ixgbe_tx_csum(struct ixgbe_adapter *adapter,
}
context_desc->type_tucmd_mlhl = cpu_to_le32(type_tucmd_mlhl);
/* use index zero for tx checksum offload */
context_desc->mss_l4len_idx = 0;
tx_buffer_info->time_stamp = jiffies;
@ -3306,6 +3309,8 @@ static void ixgbe_tx_queue(struct ixgbe_adapter *adapter,
olinfo_status |= IXGBE_TXD_POPTS_TXSM <<
IXGBE_ADVTXD_POPTS_SHIFT;
/* use index 1 context for tso */
olinfo_status |= (1 << IXGBE_ADVTXD_IDX_SHIFT);
if (tx_flags & IXGBE_TX_FLAGS_IPV4)
olinfo_status |= IXGBE_TXD_POPTS_IXSM <<
IXGBE_ADVTXD_POPTS_SHIFT;