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ice: update ethtool stats on-demand

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Users expect ethtool statistics to be updated on-demand when invoking
'ethtool -S <iface>' instead of providing a snapshot of statistics taken
once a second (the frequency of the watchdog task where stats are currently
updated).  Update stats every time 'ethtool -S <iface>' is run.

Also, fix an indentation style issue and an unnecessary local variable
initialization in ice_get_ethtool_stats() discovered while investigating
the subject issue.

Signed-off-by: Bruce Allan <bruce.w.allan@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:
Bruce Allan 2019-07-25 02:53:50 -07:00 committed by Jeff Kirsher
parent 3f416961b0
commit 5a4a867310
3 changed files with 9 additions and 6 deletions
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2
drivers/net/ethernet/intel/ice/ice.h
View File

@ -447,6 +447,8 @@ ice_find_vsi_by_type(struct ice_pf *pf, enum ice_vsi_type type)
int ice_vsi_setup_tx_rings(struct ice_vsi *vsi);
int ice_vsi_setup_rx_rings(struct ice_vsi *vsi);
void ice_set_ethtool_ops(struct net_device *netdev);
void ice_update_vsi_stats(struct ice_vsi *vsi);
void ice_update_pf_stats(struct ice_pf *pf);
int ice_up(struct ice_vsi *vsi);
int ice_down(struct ice_vsi *vsi);
int ice_vsi_cfg(struct ice_vsi *vsi);

5
drivers/net/ethernet/intel/ice/ice_ethtool.c
View File

@ -1319,10 +1319,13 @@ ice_get_ethtool_stats(struct net_device *netdev,
struct ice_vsi *vsi = np->vsi;
struct ice_pf *pf = vsi->back;
struct ice_ring *ring;
unsigned int j = 0;
unsigned int j;
int i = 0;
char *p;
ice_update_pf_stats(pf);
ice_update_vsi_stats(vsi);
for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==

6
drivers/net/ethernet/intel/ice/ice_main.c
View File

@ -34,8 +34,6 @@ static const struct net_device_ops ice_netdev_ops;
static void ice_rebuild(struct ice_pf *pf);
static void ice_vsi_release_all(struct ice_pf *pf);
static void ice_update_vsi_stats(struct ice_vsi *vsi);
static void ice_update_pf_stats(struct ice_pf *pf);
/**
* ice_get_tx_pending - returns number of Tx descriptors not processed
@ -3254,7 +3252,7 @@ static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
* ice_update_vsi_stats - Update VSI stats counters
* @vsi: the VSI to be updated
*/
static void ice_update_vsi_stats(struct ice_vsi *vsi)
void ice_update_vsi_stats(struct ice_vsi *vsi)
{
struct rtnl_link_stats64 *cur_ns = &vsi->net_stats;
struct ice_eth_stats *cur_es = &vsi->eth_stats;
@ -3290,7 +3288,7 @@ static void ice_update_vsi_stats(struct ice_vsi *vsi)
* ice_update_pf_stats - Update PF port stats counters
* @pf: PF whose stats needs to be updated
*/
static void ice_update_pf_stats(struct ice_pf *pf)
void ice_update_pf_stats(struct ice_pf *pf)
{
struct ice_hw_port_stats *prev_ps, *cur_ps;
struct ice_hw *hw = &pf->hw;