diff options
| author | Kumar Sanghvi <kumaras@chelsio.com> | 2017-11-01 08:53:00 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-11-01 22:06:03 +0900 |
| commit | 5c31254e35a8a5767c3b23377c34018d8bdd0567 (patch) | |
| tree | 2eb36b7b3b5a0c811812775c56328509b9a158f7 /drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c | |
| parent | 0ba9a3b65c794982f4dc7fcdc8110c327359916b (diff) | |
cxgb4: initialize hash-filter configuration
Add support for hash-filter configuration on T6. Also, do basic
checks for the related initialization.
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 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index 89272f29f807..566bd2d3737c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -915,3 +915,25 @@ void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl) complete(&ctx->completion); } } + +int init_hash_filter(struct adapter *adap) +{ + /* On T6, verify the necessary register configs and warn the user in + * case of improper config + */ + if (is_t6(adap->params.chip)) { + if (TCAM_ACTV_HIT_G(t4_read_reg(adap, LE_DB_RSP_CODE_0_A)) != 4) + goto err; + + if (HASH_ACTV_HIT_G(t4_read_reg(adap, LE_DB_RSP_CODE_1_A)) != 4) + goto err; + } else { + dev_err(adap->pdev_dev, "Hash filter supported only on T6\n"); + return -EINVAL; + } + adap->params.hash_filter = 1; + return 0; +err: + dev_warn(adap->pdev_dev, "Invalid hash filter config!\n"); + return -EINVAL; +} |