diff options
| author | Kumar Sanghvi <kumaras@chelsio.com> | 2017-11-01 04:23:03 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-01 14:06:03 +0100 |
| commit | 9d922d4b016d3d7908dd70112aaf46a38313d866 (patch) | |
| tree | c8e6ab827d6c662b94348e5b30aad7a87c2ba404 /drivers | |
| parent | cxgb4: add support to delete hash filter (diff) | |
| download | linux-9d922d4b016d3d7908dd70112aaf46a38313d866.tar.xz linux-9d922d4b016d3d7908dd70112aaf46a38313d866.zip | |
cxgb4: add support to retrieve stats for hash filters
Add support to retrieve packet-count and byte-count for hash-filters
by retrieving filter-entry appropriately based on whether the
request is for hash-filter or not.
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c | 30 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c | 6 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h | 2 |
3 files changed, 25 insertions, 13 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index eb6ba9824501..9b3ff6209eb5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -341,7 +341,7 @@ static int get_filter_steerq(struct net_device *dev, } static int get_filter_count(struct adapter *adapter, unsigned int fidx, - u64 *pkts, u64 *bytes) + u64 *pkts, u64 *bytes, bool hash) { unsigned int tcb_base, tcbaddr; unsigned int word_offset; @@ -350,14 +350,24 @@ static int get_filter_count(struct adapter *adapter, unsigned int fidx, int ret; tcb_base = t4_read_reg(adapter, TP_CMM_TCB_BASE_A); - if ((fidx != (adapter->tids.nftids + adapter->tids.nsftids - 1)) && - fidx >= adapter->tids.nftids) - return -E2BIG; - - f = &adapter->tids.ftid_tab[fidx]; - if (!f->valid) - return -EINVAL; + if (is_hashfilter(adapter) && hash) { + if (fidx < adapter->tids.ntids) { + f = adapter->tids.tid_tab[fidx]; + if (!f) + return -EINVAL; + } else { + return -E2BIG; + } + } else { + if ((fidx != (adapter->tids.nftids + + adapter->tids.nsftids - 1)) && + fidx >= adapter->tids.nftids) + return -E2BIG; + f = &adapter->tids.ftid_tab[fidx]; + if (!f->valid) + return -EINVAL; + } tcbaddr = tcb_base + f->tid * TCB_SIZE; spin_lock(&adapter->win0_lock); @@ -409,11 +419,11 @@ out: } int cxgb4_get_filter_counters(struct net_device *dev, unsigned int fidx, - u64 *hitcnt, u64 *bytecnt) + u64 *hitcnt, u64 *bytecnt, bool hash) { struct adapter *adapter = netdev2adap(dev); - return get_filter_count(adapter, fidx, hitcnt, bytecnt); + return get_filter_count(adapter, fidx, hitcnt, bytecnt, hash); } int cxgb4_get_free_ftid(struct net_device *dev, int family) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c index ed377e2e9f8a..a26acd183eef 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c @@ -755,7 +755,8 @@ static void ch_flower_stats_cb(struct timer_list *t) hash_for_each_rcu(adap->flower_anymatch_tbl, i, flower_entry, link) { ret = cxgb4_get_filter_counters(adap->port[0], flower_entry->filter_id, - &packets, &bytes); + &packets, &bytes, + flower_entry->fs.hash); if (!ret) { spin_lock(&flower_entry->lock); ofld_stats = &flower_entry->stats; @@ -788,7 +789,8 @@ int cxgb4_tc_flower_stats(struct net_device *dev, } ret = cxgb4_get_filter_counters(dev, ch_flower->filter_id, - &packets, &bytes); + &packets, &bytes, + ch_flower->fs.hash); if (ret < 0) goto err; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h index a1c850861cbf..08e709ab6dd4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h @@ -224,7 +224,7 @@ int cxgb4_set_filter(struct net_device *dev, int filter_id, int cxgb4_del_filter(struct net_device *dev, int filter_id, struct ch_filter_specification *fs); int cxgb4_get_filter_counters(struct net_device *dev, unsigned int fidx, - u64 *hitcnt, u64 *bytecnt); + u64 *hitcnt, u64 *bytecnt, bool hash); static inline void set_wr_txq(struct sk_buff *skb, int prio, int queue) { |