diff options
| 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_tc.h | |
| parent | f484f6782e013138946122ae09c100c9e4b547e3 (diff) | |
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_tc.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h index 2beccd41c886..404f98dea0ab 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.h @@ -78,11 +78,6 @@ struct bnxt_tc_actions { struct ip_tunnel_key tun_encap_key; }; -struct bnxt_tc_flow_stats { - u64 packets; - u64 bytes; -}; - struct bnxt_tc_flow { u32 flags; #define BNXT_TC_FLOW_FLAGS_ETH_ADDRS BIT(1) @@ -119,6 +114,10 @@ struct bnxt_tc_flow { /* previous snap-shot of stats */ struct bnxt_tc_flow_stats prev_stats; unsigned long lastused; /* jiffies */ + /* for calculating delta from prev_stats and + * updating prev_stats atomically. + */ + spinlock_t stats_lock; }; /* Tunnel encap/decap hash table @@ -195,6 +194,12 @@ int bnxt_tc_setup_flower(struct bnxt *bp, u16 src_fid, struct tc_cls_flower_offload *cls_flower); int bnxt_init_tc(struct bnxt *bp); void bnxt_shutdown_tc(struct bnxt *bp); +void bnxt_tc_flow_stats_work(struct bnxt *bp); + +static inline bool bnxt_tc_flower_enabled(struct bnxt *bp) +{ + return bp->tc_info.enabled; +} #else /* CONFIG_BNXT_FLOWER_OFFLOAD */ @@ -212,5 +217,14 @@ static inline int bnxt_init_tc(struct bnxt *bp) static inline void bnxt_shutdown_tc(struct bnxt *bp) { } + +static inline void bnxt_tc_flow_stats_work(struct bnxt *bp) +{ +} + +static inline bool bnxt_tc_flower_enabled(struct bnxt *bp) +{ + return false; +} #endif /* CONFIG_BNXT_FLOWER_OFFLOAD */ #endif /* BNXT_TC_H */ |