diff options
| author | Shahjada Abul Husain <shahjada@chelsio.com> | 2019-12-10 13:55:33 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-12-11 04:52:41 +0300 |
| commit | c21939998802b48e7afd0c0568193f6e4e4954f8 (patch) | |
| tree | 8a74d43b5dc11a19081d2cf7ae5a03f85f159615 /drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c | |
| parent | 6525b5ef65fdaf8a782449fb5d585195b573c2c1 (diff) | |
| download | linux-c21939998802b48e7afd0c0568193f6e4e4954f8.tar.xz | |
cxgb4: add support for high priority filters
T6 has a separate region known as high priority filter region
that allows classifying packets going through ULD path. So,
query firmware for HPFILTER resources and enable the high
priority offload filter support when it is available.
Signed-off-by: Shahjada Abul Husain <shahjada@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c index 133f8623ba86..269b8d9e25e0 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c @@ -176,7 +176,7 @@ int cxgb4_config_knode(struct net_device *dev, struct tc_cls_u32_offload *cls) /* Only insert U32 rule if its priority doesn't conflict with * existing rules in the LETCAM. */ - if (filter_id >= adapter->tids.nftids || + if (filter_id >= adapter->tids.nftids + adapter->tids.nhpftids || !cxgb4_filter_prio_in_range(dev, filter_id, cls->common.prio)) { NL_SET_ERR_MSG_MOD(extack, "No free LETCAM index available"); @@ -199,6 +199,8 @@ int cxgb4_config_knode(struct net_device *dev, struct tc_cls_u32_offload *cls) memset(&fs, 0, sizeof(fs)); + if (filter_id < adapter->tids.nhpftids) + fs.prio = 1; fs.tc_prio = cls->common.prio; fs.tc_cookie = cls->knode.handle; @@ -355,6 +357,7 @@ int cxgb4_delete_knode(struct net_device *dev, struct tc_cls_u32_offload *cls) unsigned int filter_id, max_tids, i, j; struct cxgb4_link *link = NULL; struct cxgb4_tc_u32_table *t; + struct filter_entry *f; u32 handle, uhtid; int ret; @@ -363,8 +366,15 @@ int cxgb4_delete_knode(struct net_device *dev, struct tc_cls_u32_offload *cls) /* Fetch the location to delete the filter. */ filter_id = TC_U32_NODE(cls->knode.handle) - 1; - if (filter_id >= adapter->tids.nftids || - cls->knode.handle != adapter->tids.ftid_tab[filter_id].fs.tc_cookie) + if (filter_id >= adapter->tids.nftids + adapter->tids.nhpftids) + return -ERANGE; + + if (filter_id < adapter->tids.nhpftids) + f = &adapter->tids.hpftid_tab[filter_id]; + else + f = &adapter->tids.ftid_tab[filter_id - adapter->tids.nhpftids]; + + if (cls->knode.handle != f->fs.tc_cookie) return -ERANGE; t = adapter->tc_u32; @@ -445,7 +455,7 @@ void cxgb4_cleanup_tc_u32(struct adapter *adap) struct cxgb4_tc_u32_table *cxgb4_init_tc_u32(struct adapter *adap) { - unsigned int max_tids = adap->tids.nftids; + unsigned int max_tids = adap->tids.nftids + adap->tids.nhpftids; struct cxgb4_tc_u32_table *t; unsigned int i; |