diff options
| author |   Vishal Kulkarni <vishal@chelsio.com> | 2020-06-19 19:51:35 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-06-19 13:17:31 -0700 |
| commit | d915c299f1da68a7dbb43895b8741c7b916c9d08 (patch) | |
| tree | 81ce6405fb90e069fa2d7c3cb03c1cd848853916 /drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | |
| parent | net: qos offload add flow status with dropped count (diff) | |
| download | linux-dev-d915c299f1da68a7dbb43895b8741c7b916c9d08.tar.xz linux-dev-d915c299f1da68a7dbb43895b8741c7b916c9d08.zip | |
cxgb4: add skeleton for ethtool n-tuple filters
Allocate and manage resources required for ethtool n-tuple filters.
Also fetch the HASH filter region size and calculate nhash entries.
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_main.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 854b1717a70d..501917751b7f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -5860,6 +5860,7 @@ static void free_some_resources(struct adapter *adapter) cxgb4_cleanup_tc_mqprio(adapter); cxgb4_cleanup_tc_flower(adapter); cxgb4_cleanup_tc_u32(adapter); + cxgb4_cleanup_ethtool_filters(adapter); kfree(adapter->sge.egr_map); kfree(adapter->sge.ingr_map); kfree(adapter->sge.starving_fl); @@ -6493,6 +6494,24 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) i); } + if (is_offload(adapter) || is_hashfilter(adapter)) { + if (t4_read_reg(adapter, LE_DB_CONFIG_A) & HASHEN_F) { + u32 v; + + v = t4_read_reg(adapter, LE_DB_HASH_CONFIG_A); + if (chip_ver <= CHELSIO_T5) { + adapter->tids.nhash = 1 << HASHTIDSIZE_G(v); + v = t4_read_reg(adapter, LE_DB_TID_HASHBASE_A); + adapter->tids.hash_base = v / 4; + } else { + adapter->tids.nhash = HASHTBLSIZE_G(v) << 3; + v = t4_read_reg(adapter, + T6_LE_DB_HASH_TID_BASE_A); + adapter->tids.hash_base = v; + } + } + } + if (tid_init(&adapter->tids) < 0) { dev_warn(&pdev->dev, "could not allocate TID table, " "continuing\n"); @@ -6514,22 +6533,9 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (cxgb4_init_tc_matchall(adapter)) dev_warn(&pdev->dev, "could not offload tc matchall, continuing\n"); - } - - if (is_offload(adapter) || is_hashfilter(adapter)) { - if (t4_read_reg(adapter, LE_DB_CONFIG_A) & HASHEN_F) { - u32 hash_base, hash_reg; - - if (chip_ver <= CHELSIO_T5) { - hash_reg = LE_DB_TID_HASHBASE_A; - hash_base = t4_read_reg(adapter, hash_reg); - adapter->tids.hash_base = hash_base / 4; - } else { - hash_reg = T6_LE_DB_HASH_TID_BASE_A; - hash_base = t4_read_reg(adapter, hash_reg); - adapter->tids.hash_base = hash_base; - } - } + if (cxgb4_init_ethtool_filters(adapter)) + dev_warn(&pdev->dev, + "could not initialize ethtool filters, continuing\n"); } /* See what interrupts we'll be using */ |