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net/cxgbe: always enable HASH filter support

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Disable all unused firmware resources during init time to give
more resources for HASH (exact-match) filter region and always
request firmware to enable HASH filter support when resources
are available.

Signed-off-by: Karra Satwik <kaara.satwik@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
This commit is contained in:
Karra Satwik 2020-06-13 03:40:20 +05:30 committed by Ferruh Yigit
parent 4f96d91396
commit 2e40fdc2d3
4 changed files with 42 additions and 19 deletions
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12
drivers/net/cxgbe/base/t4_regs.h
View File

@ -960,6 +960,18 @@
#define V_HASHEN(x) ((x) << S_HASHEN)
#define F_HASHEN V_HASHEN(1U)
#define A_LE_DB_RSP_CODE_0 0x19c74
#define S_TCAM_ACTV_HIT 0
#define M_TCAM_ACTV_HIT 0x1fU
#define G_TCAM_ACTV_HIT(x) (((x) >> S_TCAM_ACTV_HIT) & M_TCAM_ACTV_HIT)
#define A_LE_DB_RSP_CODE_1 0x19c78
#define S_HASH_ACTV_HIT 25
#define M_HASH_ACTV_HIT 0x1fU
#define G_HASH_ACTV_HIT(x) (((x) >> S_HASH_ACTV_HIT) & M_HASH_ACTV_HIT)
#define A_LE_DB_TID_HASHBASE 0x19df8
#define LE_3_DB_HASH_MASK_GEN_IPV4_T6_A 0x19eac

3
drivers/net/cxgbe/base/t4fw_interface.h
View File

@ -627,7 +627,7 @@ struct fw_caps_config_cmd {
__be16 niccaps;
__be16 toecaps;
__be16 rdmacaps;
__be16 r4;
__be16 cryptocaps;
__be16 iscsicaps;
__be16 fcoecaps;
__be32 cfcsum;
@ -700,6 +700,7 @@ enum fw_params_param_dev {
FW_PARAMS_PARAM_DEV_ULPTX_MEMWRITE_DSGL = 0x17,
FW_PARAMS_PARAM_DEV_FILTER2_WR = 0x1D,
FW_PARAMS_PARAM_DEV_OPAQUE_VIID_SMT_EXTN = 0x27,
FW_PARAMS_PARAM_DEV_HASHFILTER_WITH_OFLD = 0x28,
FW_PARAMS_PARAM_DEV_FILTER = 0x2E,
};

32
drivers/net/cxgbe/cxgbe_filter.c
View File

@ -12,33 +12,37 @@
#include "clip_tbl.h"
#include "l2t.h"
#include "smt.h"
#include "cxgbe_pfvf.h"
/**
* Initialize Hash Filters
*/
int cxgbe_init_hash_filter(struct adapter *adap)
{
unsigned int n_user_filters;
unsigned int user_filter_perc;
unsigned int user_filter_perc, n_user_filters;
u32 param, val;
int ret;
u32 params[7], val[7];
#define FW_PARAM_DEV(param) \
(V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param))
if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) {
val = t4_read_reg(adap, A_LE_DB_RSP_CODE_0);
if (G_TCAM_ACTV_HIT(val) != 4) {
adap->params.hash_filter = 0;
return 0;
}
#define FW_PARAM_PFVF(param) \
(V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param) | \
V_FW_PARAMS_PARAM_Y(0) | \
V_FW_PARAMS_PARAM_Z(0))
val = t4_read_reg(adap, A_LE_DB_RSP_CODE_1);
if (G_HASH_ACTV_HIT(val) != 4) {
adap->params.hash_filter = 0;
return 0;
}
}
params[0] = FW_PARAM_DEV(NTID);
param = CXGBE_FW_PARAM_DEV(NTID);
ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1,
params, val);
&param, &val);
if (ret < 0)
return ret;
adap->tids.ntids = val[0];
adap->tids.ntids = val;
adap->tids.natids = min(adap->tids.ntids / 2, MAX_ATIDS);
user_filter_perc = 100;

14
drivers/net/cxgbe/cxgbe_main.c
View File

@ -1126,13 +1126,12 @@ static int adap_init0_tweaks(struct adapter *adapter)
*/
static int adap_init0_config(struct adapter *adapter, int reset)
{
u32 finiver, finicsum, cfcsum, param, val;
struct fw_caps_config_cmd caps_cmd;
unsigned long mtype = 0, maddr = 0;
u32 finiver, finicsum, cfcsum;
int ret;
int config_issued = 0;
int cfg_addr;
u8 config_issued = 0;
char config_name[20];
int cfg_addr, ret;
/*
* Reset device if necessary.
@ -1159,6 +1158,12 @@ static int adap_init0_config(struct adapter *adapter, int reset)
mtype = FW_MEMTYPE_CF_FLASH;
maddr = cfg_addr;
/* Enable HASH filter region when support is available. */
val = 1;
param = CXGBE_FW_PARAM_DEV(HASHFILTER_WITH_OFLD);
t4_set_params(adapter, adapter->mbox, adapter->pf, 0, 1,
&param, &val);
/*
* Issue a Capability Configuration command to the firmware to get it
* to parse the Configuration File. We don't use t4_fw_config_file()
@ -1217,6 +1222,7 @@ static int adap_init0_config(struct adapter *adapter, int reset)
caps_cmd.iscsicaps = 0;
caps_cmd.rdmacaps = 0;
caps_cmd.fcoecaps = 0;
caps_cmd.cryptocaps = 0;
/*
* And now tell the firmware to use the configuration we just loaded.