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authorYi Zou <yi.zou@intel.com>2009-06-08 14:38:44 (GMT)
committerDavid S. Miller <davem@davemloft.net>2009-06-09 12:25:37 (GMT)
commit3d8fd38567729202afd0ff3904c818ed0cb1de52 (patch)
treee911c9f525a9ed2bbec13d6b58db41c5119936e0 /drivers/net/ixgbe
parent18760f1e74e8dfe8f30d4891e66163d1e6feb893 (diff)
downloadlinux-3d8fd38567729202afd0ff3904c818ed0cb1de52.tar.xz
ixgbe: Include offloaded FCoE data into total rx/tx statistics for 82599
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>
Diffstat (limited to 'drivers/net/ixgbe')
-rw-r--r--drivers/net/ixgbe/ixgbe_fcoe.c6
-rw-r--r--drivers/net/ixgbe/ixgbe_fcoe.h1
-rw-r--r--drivers/net/ixgbe/ixgbe_main.c40
3 files changed, 42 insertions, 5 deletions
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index d5939de..3c3bf1f 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -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:
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.h b/drivers/net/ixgbe/ixgbe_fcoe.h
index b7f9b63..c5b5002 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.h
+++ b/drivers/net/ixgbe/ixgbe_fcoe.h
@@ -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 */
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 09994e9..a551a96 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -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;