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| author | Sathya Perla <sathya.perla@broadcom.com> | 2017-10-26 11:51:31 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-28 00:02:45 +0900 |
| commit | 5a84acbebb22f93dfc9ce1e5f0427c45c94acb33 (patch) | |
| tree | cefba34b1f898f8c5e224ad87044b16160c5bad5 /drivers/net/ethernet/broadcom/bnxt/bnxt.h | |
| parent | f484f6782e013138946122ae09c100c9e4b547e3 (diff) | |
| download | lwn-5a84acbebb22f93dfc9ce1e5f0427c45c94acb33.tar.gz lwn-5a84acbebb22f93dfc9ce1e5f0427c45c94acb33.zip | |
bnxt_en: query cfa flow stats periodically to compute 'lastused' attribute
This patch implements periodic querying of cfa flow stats
in batches to compute the 'lastused' attribute of TC flow stats.
Signed-off-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index d88d864db7d4..b8343ee4182c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -955,6 +955,11 @@ struct bnxt_coal { u8 budget; }; +struct bnxt_tc_flow_stats { + u64 packets; + u64 bytes; +}; + struct bnxt_tc_info { bool enabled; @@ -980,6 +985,14 @@ struct bnxt_tc_info { */ struct mutex lock; + /* Fields used for batching stats query */ + struct rhashtable_iter iter; +#define BNXT_FLOW_STATS_BATCH_MAX 10 + struct bnxt_tc_stats_batch { + void *flow_node; + struct bnxt_tc_flow_stats hw_stats; + } stats_batch[BNXT_FLOW_STATS_BATCH_MAX]; + /* Stat counter mask (width) */ u64 bytes_mask; u64 packets_mask; @@ -1282,6 +1295,7 @@ struct bnxt { #define BNXT_GENEVE_ADD_PORT_SP_EVENT 12 #define BNXT_GENEVE_DEL_PORT_SP_EVENT 13 #define BNXT_LINK_SPEED_CHNG_SP_EVENT 14 +#define BNXT_FLOW_STATS_SP_EVENT 15 struct bnxt_pf_info pf; #ifdef CONFIG_BNXT_SRIOV |