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path: root/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
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Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c83
1 files changed, 35 insertions, 48 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 6b9f6bb2f7ed..c1cde11b0c6d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -443,7 +443,10 @@ int dbfifo_int_thresh = 10; /* 10 == 640 entry threshold */
module_param(dbfifo_int_thresh, int, 0644);
MODULE_PARM_DESC(dbfifo_int_thresh, "doorbell fifo interrupt threshold");
-int dbfifo_drain_delay = 1000; /* usecs to sleep while draining the dbfifo */
+/*
+ * usecs to sleep while draining the dbfifo
+ */
+static int dbfifo_drain_delay = 1000;
module_param(dbfifo_drain_delay, int, 0644);
MODULE_PARM_DESC(dbfifo_drain_delay,
"usecs to sleep while draining the dbfifo");
@@ -636,7 +639,7 @@ static void name_msix_vecs(struct adapter *adap)
static int request_msix_queue_irqs(struct adapter *adap)
{
struct sge *s = &adap->sge;
- int err, ethqidx, ofldqidx = 0, rdmaqidx = 0, msi = 2;
+ int err, ethqidx, ofldqidx = 0, rdmaqidx = 0, msi_index = 2;
err = request_irq(adap->msix_info[1].vec, t4_sge_intr_msix, 0,
adap->msix_info[1].desc, &s->fw_evtq);
@@ -644,56 +647,60 @@ static int request_msix_queue_irqs(struct adapter *adap)
return err;
for_each_ethrxq(s, ethqidx) {
- err = request_irq(adap->msix_info[msi].vec, t4_sge_intr_msix, 0,
- adap->msix_info[msi].desc,
+ err = request_irq(adap->msix_info[msi_index].vec,
+ t4_sge_intr_msix, 0,
+ adap->msix_info[msi_index].desc,
&s->ethrxq[ethqidx].rspq);
if (err)
goto unwind;
- msi++;
+ msi_index++;
}
for_each_ofldrxq(s, ofldqidx) {
- err = request_irq(adap->msix_info[msi].vec, t4_sge_intr_msix, 0,
- adap->msix_info[msi].desc,
+ err = request_irq(adap->msix_info[msi_index].vec,
+ t4_sge_intr_msix, 0,
+ adap->msix_info[msi_index].desc,
&s->ofldrxq[ofldqidx].rspq);
if (err)
goto unwind;
- msi++;
+ msi_index++;
}
for_each_rdmarxq(s, rdmaqidx) {
- err = request_irq(adap->msix_info[msi].vec, t4_sge_intr_msix, 0,
- adap->msix_info[msi].desc,
+ err = request_irq(adap->msix_info[msi_index].vec,
+ t4_sge_intr_msix, 0,
+ adap->msix_info[msi_index].desc,
&s->rdmarxq[rdmaqidx].rspq);
if (err)
goto unwind;
- msi++;
+ msi_index++;
}
return 0;
unwind:
while (--rdmaqidx >= 0)
- free_irq(adap->msix_info[--msi].vec,
+ free_irq(adap->msix_info[--msi_index].vec,
&s->rdmarxq[rdmaqidx].rspq);
while (--ofldqidx >= 0)
- free_irq(adap->msix_info[--msi].vec,
+ free_irq(adap->msix_info[--msi_index].vec,
&s->ofldrxq[ofldqidx].rspq);
while (--ethqidx >= 0)
- free_irq(adap->msix_info[--msi].vec, &s->ethrxq[ethqidx].rspq);
+ free_irq(adap->msix_info[--msi_index].vec,
+ &s->ethrxq[ethqidx].rspq);
free_irq(adap->msix_info[1].vec, &s->fw_evtq);
return err;
}
static void free_msix_queue_irqs(struct adapter *adap)
{
- int i, msi = 2;
+ int i, msi_index = 2;
struct sge *s = &adap->sge;
free_irq(adap->msix_info[1].vec, &s->fw_evtq);
for_each_ethrxq(s, i)
- free_irq(adap->msix_info[msi++].vec, &s->ethrxq[i].rspq);
+ free_irq(adap->msix_info[msi_index++].vec, &s->ethrxq[i].rspq);
for_each_ofldrxq(s, i)
- free_irq(adap->msix_info[msi++].vec, &s->ofldrxq[i].rspq);
+ free_irq(adap->msix_info[msi_index++].vec, &s->ofldrxq[i].rspq);
for_each_rdmarxq(s, i)
- free_irq(adap->msix_info[msi++].vec, &s->rdmarxq[i].rspq);
+ free_irq(adap->msix_info[msi_index++].vec, &s->rdmarxq[i].rspq);
}
/**
@@ -2535,9 +2542,8 @@ static int read_eq_indices(struct adapter *adap, u16 qid, u16 *pidx, u16 *cidx)
ret = t4_mem_win_read_len(adap, addr, (__be32 *)&indices, 8);
if (!ret) {
- indices = be64_to_cpu(indices);
- *cidx = (indices >> 25) & 0xffff;
- *pidx = (indices >> 9) & 0xffff;
+ *cidx = (be64_to_cpu(indices) >> 25) & 0xffff;
+ *pidx = (be64_to_cpu(indices) >> 9) & 0xffff;
}
return ret;
}
@@ -3507,18 +3513,6 @@ static int adap_init0_no_config(struct adapter *adapter, int reset)
if (ret < 0)
goto bye;
-#ifndef CONFIG_CHELSIO_T4_OFFLOAD
- /*
- * If we're a pure NIC driver then disable all offloading facilities.
- * This will allow the firmware to optimize aspects of the hardware
- * configuration which will result in improved performance.
- */
- caps_cmd.ofldcaps = 0;
- caps_cmd.iscsicaps = 0;
- caps_cmd.rdmacaps = 0;
- caps_cmd.fcoecaps = 0;
-#endif
-
if (caps_cmd.niccaps & htons(FW_CAPS_CONFIG_NIC_VM)) {
if (!vf_acls)
caps_cmd.niccaps ^= htons(FW_CAPS_CONFIG_NIC_VM);
@@ -3634,10 +3628,10 @@ static int adap_init0_no_config(struct adapter *adapter, int reset)
* field selections will fit in the 36-bit budget.
*/
if (tp_vlan_pri_map != TP_VLAN_PRI_MAP_DEFAULT) {
- int i, bits = 0;
+ int j, bits = 0;
- for (i = TP_VLAN_PRI_MAP_FIRST; i <= TP_VLAN_PRI_MAP_LAST; i++)
- switch (tp_vlan_pri_map & (1 << i)) {
+ for (j = TP_VLAN_PRI_MAP_FIRST; j <= TP_VLAN_PRI_MAP_LAST; j++)
+ switch (tp_vlan_pri_map & (1 << j)) {
case 0:
/* compressed filter field not enabled */
break;
@@ -3739,6 +3733,7 @@ static int adap_init0(struct adapter *adap)
u32 v, port_vec;
enum dev_state state;
u32 params[7], val[7];
+ struct fw_caps_config_cmd caps_cmd;
int reset = 1, j;
/*
@@ -3892,6 +3887,9 @@ static int adap_init0(struct adapter *adap)
goto bye;
}
+ if (is_bypass_device(adap->pdev->device))
+ adap->params.bypass = 1;
+
/*
* Grab some of our basic fundamental operating parameters.
*/
@@ -3934,13 +3932,12 @@ static int adap_init0(struct adapter *adap)
adap->tids.aftid_end = val[1];
}
-#ifdef CONFIG_CHELSIO_T4_OFFLOAD
/*
* Get device capabilities so we can determine what resources we need
* to manage.
*/
memset(&caps_cmd, 0, sizeof(caps_cmd));
- caps_cmd.op_to_write = htonl(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
+ caps_cmd.op_to_write = htonl(FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
FW_CMD_REQUEST | FW_CMD_READ);
caps_cmd.retval_len16 = htonl(FW_LEN16(caps_cmd));
ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd),
@@ -3985,15 +3982,6 @@ static int adap_init0(struct adapter *adap)
adap->vres.ddp.size = val[4] - val[3] + 1;
adap->params.ofldq_wr_cred = val[5];
- params[0] = FW_PARAM_PFVF(ETHOFLD_START);
- params[1] = FW_PARAM_PFVF(ETHOFLD_END);
- ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2,
- params, val);
- if ((val[0] != val[1]) && (ret >= 0)) {
- adap->tids.uotid_base = val[0];
- adap->tids.nuotids = val[1] - val[0] + 1;
- }
-
adap->params.offload = 1;
}
if (caps_cmd.rdmacaps) {
@@ -4042,7 +4030,6 @@ static int adap_init0(struct adapter *adap)
}
#undef FW_PARAM_PFVF
#undef FW_PARAM_DEV
-#endif /* CONFIG_CHELSIO_T4_OFFLOAD */
/*
* These are finalized by FW initialization, load their values now.
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.