diff options
author | Vishal Kulkarni <vishal@chelsio.com> | 2020-06-19 17:21:37 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-06-19 23:17:31 +0300 |
commit | db43b30cd89c2549216b9e4ef27c5d2f9dcb964d (patch) | |
tree | d14441bfd97ff0c1f9049dd0a7fe524524e9347f /drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c | |
parent | c8729cac2a11e4bc170f5d0041d5561bb7fe82a0 (diff) | |
download | linux-db43b30cd89c2549216b9e4ef27c5d2f9dcb964d.tar.xz |
cxgb4: add ethtool n-tuple filter deletion
Add support to delete ethtool n-tuple filter. Fetch the appropriate
filter region (HPFILTER, HASH, NORMAL) in which the filter exists,
and delete it from the respective region, accordingly.
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c index 260d1219b723..3ded4fec6c40 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c @@ -797,23 +797,38 @@ free_entry: return ret; } +int cxgb4_flow_rule_destroy(struct net_device *dev, u32 tc_prio, + struct ch_filter_specification *fs, int tid) +{ + struct adapter *adap = netdev2adap(dev); + u8 hash; + int ret; + + hash = fs->hash; + + ret = cxgb4_del_filter(dev, tid, fs); + if (ret) + return ret; + + if (hash) + cxgb4_tc_flower_hash_prio_del(adap, tc_prio); + + return ret; +} + int cxgb4_tc_flower_destroy(struct net_device *dev, struct flow_cls_offload *cls) { struct adapter *adap = netdev2adap(dev); struct ch_tc_flower_entry *ch_flower; - u32 tc_prio; - bool hash; int ret; ch_flower = ch_flower_lookup(adap, cls->cookie); if (!ch_flower) return -ENOENT; - hash = ch_flower->fs.hash; - tc_prio = ch_flower->fs.tc_prio; - - ret = cxgb4_del_filter(dev, ch_flower->filter_id, &ch_flower->fs); + ret = cxgb4_flow_rule_destroy(dev, ch_flower->fs.tc_prio, + &ch_flower->fs, ch_flower->filter_id); if (ret) goto err; @@ -825,9 +840,6 @@ int cxgb4_tc_flower_destroy(struct net_device *dev, } kfree_rcu(ch_flower, rcu); - if (hash) - cxgb4_tc_flower_hash_prio_del(adap, tc_prio); - err: return ret; } |