Commit 4eeae6fd authored by PJ Waskiewicz's avatar PJ Waskiewicz Committed by Jeff Garzik
Browse files

ixgbe: use different context for tso and offload 



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: default avatarPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: default avatarJesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent cc41ac7c

drivers/net/ixgbe/ixgbe_main.c

+5 −0
Original line number Diff line number Diff line
@@ -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;

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