diff options
| author | Kumar Sanghvi | 2017-11-01 04:23:03 +0100 |
|---|---|---|
| committer | David S. Miller | 2017-11-01 14:06:03 +0100 |
| commit | 9d922d4b016d3d7908dd70112aaf46a38313d866 (patch) | |
| tree | c8e6ab827d6c662b94348e5b30aad7a87c2ba404 /drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c | |
| parent | cxgb4: add support to delete hash filter (diff) | |
| download | kernel-qcow2-linux-9d922d4b016d3d7908dd70112aaf46a38313d866.tar.gz kernel-qcow2-linux-9d922d4b016d3d7908dd70112aaf46a38313d866.tar.xz kernel-qcow2-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/net/ethernet/chelsio/cxgb4/cxgb4_filter.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c | 30 |
1 files changed, 20 insertions, 10 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) |