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ice: Add slow path offload stats on port representor in switchdev

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Implement callbacks to check for stats and fetch port representor stats.
Stats are taken from RX/TX ring corresponding to port representor and show
the number of bytes/packets that were not offloaded.

To see slow path stats run:
ifstat -x cpu_hits -a

Signed-off-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Marcin Szycik
2022-01-27 16:04:26 +01:00
committed by Tony Nguyen
parent 34a897758e
commit c8ff29b587
3 changed files with 61 additions and 3 deletions
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6
drivers/net/ethernet/intel/ice/ice_main.c
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@ -6113,9 +6113,9 @@ int ice_up(struct ice_vsi *vsi)
* This function fetches stats from the ring considering the atomic operations
* that needs to be performed to read u64 values in 32 bit machine.
*/
static void
ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp, struct ice_q_stats stats,
u64 *pkts, u64 *bytes)
void
ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp,
struct ice_q_stats stats, u64 *pkts, u64 *bytes)
{
unsigned int start;