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ixgbe: Include offloaded FCoE data into total rx/tx statistics for 82599

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Include offloaded FCoE data into total rx/tx statistics for 82599 so they
are properly reflected by ethtool or ifconfig.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yi Zou 2009-06-08 14:38:44 +00:00 committed by David S. Miller
parent 18760f1e74
commit 3d8fd38567
3 changed files with 42 additions and 5 deletions
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6
drivers/net/ixgbe/ixgbe_fcoe.c
View File

@ -280,7 +280,9 @@ out_noddp_unmap:
*
* This checks ddp status.
*
* Returns : 0 for success and skb will not be delivered to ULD
* Returns : < 0 indicates an error or not a FCiE ddp, 0 indicates
* not passing the skb to ULD, > 0 indicates is the length of data
* being ddped.
*/
int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
union ixgbe_adv_rx_desc *rx_desc,
@ -334,6 +336,8 @@ int ixgbe_fcoe_ddp(struct ixgbe_adapter *adapter,
/* return 0 to bypass going to ULD for DDPed data */
if (fcstat == IXGBE_RXDADV_STAT_FCSTAT_DDP)
rc = 0;
else
rc = ddp->len;
}
ddp_out:

1
drivers/net/ixgbe/ixgbe_fcoe.h
View File

@ -28,6 +28,7 @@
#ifndef _IXGBE_FCOE_H
#define _IXGBE_FCOE_H
#include <scsi/fc/fc_fs.h>
#include <scsi/fc/fc_fcoe.h>
/* shift bits within STAT fo FCSTAT */

40
drivers/net/ixgbe/ixgbe_main.c
View File

@ -293,12 +293,24 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector,
if (cleaned && skb) {
unsigned int segs, bytecount;
unsigned int hlen = skb_headlen(skb);
/* gso_segs is currently only valid for tcp */
segs = skb_shinfo(skb)->gso_segs ?: 1;
#ifdef IXGBE_FCOE
/* adjust for FCoE Sequence Offload */
if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
&& (skb->protocol == htons(ETH_P_FCOE)) &&
skb_is_gso(skb)) {
hlen = skb_transport_offset(skb) +
sizeof(struct fc_frame_header) +
sizeof(struct fcoe_crc_eof);
segs = DIV_ROUND_UP(skb->len - hlen,
skb_shinfo(skb)->gso_size);
}
#endif /* IXGBE_FCOE */
/* multiply data chunks by size of headers */
bytecount = ((segs - 1) * skb_headlen(skb)) +
skb->len;
bytecount = ((segs - 1) * hlen) + skb->len;
total_packets += segs;
total_bytes += bytecount;
}
@ -683,6 +695,9 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
bool cleaned = false;
int cleaned_count = 0;
unsigned int total_rx_bytes = 0, total_rx_packets = 0;
#ifdef IXGBE_FCOE
int ddp_bytes = 0;
#endif /* IXGBE_FCOE */
i = rx_ring->next_to_clean;
rx_desc = IXGBE_RX_DESC_ADV(*rx_ring, i);
@ -793,9 +808,11 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
skb->protocol = eth_type_trans(skb, adapter->netdev);
#ifdef IXGBE_FCOE
/* if ddp, not passing to ULD unless for FCP_RSP or error */
if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
if (!ixgbe_fcoe_ddp(adapter, rx_desc, skb))
if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
ddp_bytes = ixgbe_fcoe_ddp(adapter, rx_desc, skb);
if (!ddp_bytes)
goto next_desc;
}
#endif /* IXGBE_FCOE */
ixgbe_receive_skb(q_vector, skb, staterr, rx_ring, rx_desc);
@ -821,6 +838,21 @@ next_desc:
if (cleaned_count)
ixgbe_alloc_rx_buffers(adapter, rx_ring, cleaned_count);
#ifdef IXGBE_FCOE
/* include DDPed FCoE data */
if (ddp_bytes > 0) {
unsigned int mss;
mss = adapter->netdev->mtu - sizeof(struct fcoe_hdr) -
sizeof(struct fc_frame_header) -
sizeof(struct fcoe_crc_eof);
if (mss > 512)
mss &= ~511;
total_rx_bytes += ddp_bytes;
total_rx_packets += DIV_ROUND_UP(ddp_bytes, mss);
}
#endif /* IXGBE_FCOE */
rx_ring->total_packets += total_rx_packets;
rx_ring->total_bytes += total_rx_bytes;
adapter->net_stats.rx_bytes += total_rx_bytes;