UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

i40e/i40evf: Add a stat to keep track of linearization count 

Keep track of how many times we ask the stack to linearize the
skb because the HW cannot handle skbs with more than 8 frags per
segment/single packet.

Change-ID: If455452060963a769bbe6112cba952e79e944b52
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Anjali Singhai Jain 2015-08-27 11:42:29 -04:00 committed by Jeff Kirsher
parent 2f41f33586
commit 2fc3d7152a
7 changed files with 14 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/ethernet/intel/i40e/i40e.h
View File

@ -475,6 +475,7 @@ struct i40e_vsi {
#endif
u32 tx_restart;
u32 tx_busy;
u64 tx_linearize;
u32 rx_buf_failed;
u32 rx_page_failed;

1
drivers/net/ethernet/intel/i40e/i40e_ethtool.c
View File

@ -87,6 +87,7 @@ static const struct i40e_stats i40e_gstrings_misc_stats[] = {
I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
I40E_VSI_STAT("tx_linearize", tx_linearize),
};
static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,

5
drivers/net/ethernet/intel/i40e/i40e_main.c
View File

@ -879,6 +879,7 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi)
u32 rx_page, rx_buf;
u64 bytes, packets;
unsigned int start;
u64 tx_linearize;
u64 rx_p, rx_b;
u64 tx_p, tx_b;
u16 q;
@ -897,7 +898,7 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi)
*/
rx_b = rx_p = 0;
tx_b = tx_p = 0;
tx_restart = tx_busy = 0;
tx_restart = tx_busy = tx_linearize = 0;
rx_page = 0;
rx_buf = 0;
rcu_read_lock();
@ -914,6 +915,7 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi)
tx_p += packets;
tx_restart += p->tx_stats.restart_queue;
tx_busy += p->tx_stats.tx_busy;
tx_linearize += p->tx_stats.tx_linearize;
/* Rx queue is part of the same block as Tx queue */
p = &p[1];
@ -930,6 +932,7 @@ static void i40e_update_vsi_stats(struct i40e_vsi *vsi)
rcu_read_unlock();
vsi->tx_restart = tx_restart;
vsi->tx_busy = tx_busy;
vsi->tx_linearize = tx_linearize;
vsi->rx_page_failed = rx_page;
vsi->rx_buf_failed = rx_buf;

5
drivers/net/ethernet/intel/i40e/i40e_txrx.c
View File

@ -2771,10 +2771,11 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb,
if (tsyn)
tx_flags |= I40E_TX_FLAGS_TSYN;
if (i40e_chk_linearize(skb, tx_flags))
if (i40e_chk_linearize(skb, tx_flags)) {
if (skb_linearize(skb))
goto out_drop;
tx_ring->tx_stats.tx_linearize++;
}
skb_tx_timestamp(skb);
/* always enable CRC insertion offload */

1
drivers/net/ethernet/intel/i40e/i40e_txrx.h
View File

@ -188,6 +188,7 @@ struct i40e_tx_queue_stats {
u64 restart_queue;
u64 tx_busy;
u64 tx_done_old;
u64 tx_linearize;
};
struct i40e_rx_queue_stats {

5
drivers/net/ethernet/intel/i40evf/i40e_txrx.c
View File

@ -1927,10 +1927,11 @@ static netdev_tx_t i40e_xmit_frame_ring(struct sk_buff *skb,
else if (tso)
tx_flags |= I40E_TX_FLAGS_TSO;
if (i40e_chk_linearize(skb, tx_flags))
if (i40e_chk_linearize(skb, tx_flags)) {
if (skb_linearize(skb))
goto out_drop;
tx_ring->tx_stats.tx_linearize++;
}
skb_tx_timestamp(skb);
/* always enable CRC insertion offload */

1
drivers/net/ethernet/intel/i40evf/i40e_txrx.h
View File

@ -187,6 +187,7 @@ struct i40e_tx_queue_stats {
u64 restart_queue;
u64 tx_busy;
u64 tx_done_old;
u64 tx_linearize;
};
struct i40e_rx_queue_stats {