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i40e/i40evf: remove time_stamp member 

The driver doesn't use the time_stamp member to determine if there is a
tx_hang any more. There really isn't any point to the variable at all
so just remove it. It was left over from a previous tx_hang design.

Change-ID: I4c814827e1bcb46e45118fe37acdcfa814fb62a0
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Jesse Brandeburg 2015-04-16 20:06:11 -04:00 committed by Jeff Kirsher
parent 3e587cf3c1
commit 335075989f
4 changed files with 0 additions and 19 deletions
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10
drivers/net/ethernet/intel/i40e/i40e_txrx.c
View File

@ -165,9 +165,6 @@ int i40e_program_fdir_filter(struct i40e_fdir_filter *fdir_data, u8 *raw_packet,
tx_desc->cmd_type_offset_bsz =
build_ctob(td_cmd, 0, I40E_FDIR_MAX_RAW_PACKET_SIZE, 0);
/* set the timestamp */
tx_buf->time_stamp = jiffies;
/* Force memory writes to complete before letting h/w
* know there are new descriptors to fetch.
*/
@ -810,10 +807,6 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
tx_ring->vsi->seid,
tx_ring->queue_index,
tx_ring->next_to_use, i);
dev_info(tx_ring->dev, "tx_bi[next_to_clean]\n"
" time_stamp <%lx>\n"
" jiffies <%lx>\n",
tx_ring->tx_bi[i].time_stamp, jiffies);
netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index);
@ -2606,9 +2599,6 @@ static inline void i40e_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,
tx_ring->queue_index),
first->bytecount);
/* set the timestamp */
first->time_stamp = jiffies;
/* Force memory writes to complete before letting h/w
* know there are new descriptors to fetch. (Only
* applicable for weak-ordered memory model archs,

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

@ -147,7 +147,6 @@ enum i40e_dyn_idx_t {
struct i40e_tx_buffer {
struct i40e_tx_desc *next_to_watch;
unsigned long time_stamp;
union {
struct sk_buff *skb;
void *raw_buf;

7
drivers/net/ethernet/intel/i40evf/i40e_txrx.c
View File

@ -322,10 +322,6 @@ static bool i40e_clean_tx_irq(struct i40e_ring *tx_ring, int budget)
tx_ring->vsi->seid,
tx_ring->queue_index,
tx_ring->next_to_use, i);
dev_info(tx_ring->dev, "tx_bi[next_to_clean]\n"
" time_stamp <%lx>\n"
" jiffies <%lx>\n",
tx_ring->tx_bi[i].time_stamp, jiffies);
netif_stop_subqueue(tx_ring->netdev, tx_ring->queue_index);
@ -1824,9 +1820,6 @@ static inline void i40evf_tx_map(struct i40e_ring *tx_ring, struct sk_buff *skb,
tx_ring->queue_index),
first->bytecount);
/* set the timestamp */
first->time_stamp = jiffies;
/* Force memory writes to complete before letting h/w
* know there are new descriptors to fetch. (Only
* applicable for weak-ordered memory model archs,

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

@ -146,7 +146,6 @@ enum i40e_dyn_idx_t {
struct i40e_tx_buffer {
struct i40e_tx_desc *next_to_watch;
unsigned long time_stamp;
union {
struct sk_buff *skb;
void *raw_buf;