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path: root/drivers/net/ethernet/pensando/ionic/ionic_main.c
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Diffstat (limited to 'drivers/net/ethernet/pensando/ionic/ionic_main.c')
-rw-r--r--drivers/net/ethernet/pensando/ionic/ionic_main.c125
1 files changed, 87 insertions, 38 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c
index 875f4ec42efe..4029b4e021f8 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_main.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c
@@ -188,6 +188,28 @@ static const char *ionic_opcode_to_str(enum ionic_cmd_opcode opcode)
}
}
+const char *ionic_vf_attr_to_str(enum ionic_vf_attr attr)
+{
+ switch (attr) {
+ case IONIC_VF_ATTR_SPOOFCHK:
+ return "IONIC_VF_ATTR_SPOOFCHK";
+ case IONIC_VF_ATTR_TRUST:
+ return "IONIC_VF_ATTR_TRUST";
+ case IONIC_VF_ATTR_LINKSTATE:
+ return "IONIC_VF_ATTR_LINKSTATE";
+ case IONIC_VF_ATTR_MAC:
+ return "IONIC_VF_ATTR_MAC";
+ case IONIC_VF_ATTR_VLAN:
+ return "IONIC_VF_ATTR_VLAN";
+ case IONIC_VF_ATTR_RATE:
+ return "IONIC_VF_ATTR_RATE";
+ case IONIC_VF_ATTR_STATSADDR:
+ return "IONIC_VF_ATTR_STATSADDR";
+ default:
+ return "IONIC_VF_ATTR_UNKNOWN";
+ }
+}
+
static void ionic_adminq_flush(struct ionic_lif *lif)
{
struct ionic_desc_info *desc_info;
@@ -215,9 +237,13 @@ static void ionic_adminq_flush(struct ionic_lif *lif)
void ionic_adminq_netdev_err_print(struct ionic_lif *lif, u8 opcode,
u8 status, int err)
{
+ const char *stat_str;
+
+ stat_str = (err == -ETIMEDOUT) ? "TIMEOUT" :
+ ionic_error_to_str(status);
+
netdev_err(lif->netdev, "%s (%d) failed: %s (%d)\n",
- ionic_opcode_to_str(opcode), opcode,
- ionic_error_to_str(status), err);
+ ionic_opcode_to_str(opcode), opcode, stat_str, err);
}
static int ionic_adminq_check_err(struct ionic_lif *lif,
@@ -318,6 +344,7 @@ int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
if (do_msg && !test_bit(IONIC_LIF_F_FW_RESET, lif->state))
netdev_err(netdev, "Posting of %s (%d) failed: %d\n",
name, ctx->cmd.cmd.opcode, err);
+ ctx->comp.comp.status = IONIC_RC_ERROR;
return err;
}
@@ -331,11 +358,15 @@ int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
if (remaining)
break;
- /* interrupt the wait if FW stopped */
- if (test_bit(IONIC_LIF_F_FW_RESET, lif->state)) {
+ /* force a check of FW status and break out if FW reset */
+ (void)ionic_heartbeat_check(lif->ionic);
+ if ((test_bit(IONIC_LIF_F_FW_RESET, lif->state) &&
+ !lif->ionic->idev.fw_status_ready) ||
+ test_bit(IONIC_LIF_F_FW_STOPPING, lif->state)) {
if (do_msg)
- netdev_err(netdev, "%s (%d) interrupted, FW in reset\n",
- name, ctx->cmd.cmd.opcode);
+ netdev_warn(netdev, "%s (%d) interrupted, FW in reset\n",
+ name, ctx->cmd.cmd.opcode);
+ ctx->comp.comp.status = IONIC_RC_ERROR;
return -ENXIO;
}
@@ -370,21 +401,34 @@ int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *
static void ionic_dev_cmd_clean(struct ionic *ionic)
{
- union __iomem ionic_dev_cmd_regs *regs = ionic->idev.dev_cmd_regs;
+ struct ionic_dev *idev = &ionic->idev;
- iowrite32(0, &regs->doorbell);
- memset_io(&regs->cmd, 0, sizeof(regs->cmd));
+ iowrite32(0, &idev->dev_cmd_regs->doorbell);
+ memset_io(&idev->dev_cmd_regs->cmd, 0, sizeof(idev->dev_cmd_regs->cmd));
}
-int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_seconds)
+void ionic_dev_cmd_dev_err_print(struct ionic *ionic, u8 opcode, u8 status,
+ int err)
+{
+ const char *stat_str;
+
+ stat_str = (err == -ETIMEDOUT) ? "TIMEOUT" :
+ ionic_error_to_str(status);
+
+ dev_err(ionic->dev, "DEV_CMD %s (%d) error, %s (%d) failed\n",
+ ionic_opcode_to_str(opcode), opcode, stat_str, err);
+}
+
+static int __ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_seconds,
+ const bool do_msg)
{
struct ionic_dev *idev = &ionic->idev;
unsigned long start_time;
unsigned long max_wait;
unsigned long duration;
+ int done = 0;
+ bool fw_up;
int opcode;
- int hb = 0;
- int done;
int err;
/* Wait for dev cmd to complete, retrying if we get EAGAIN,
@@ -394,31 +438,24 @@ int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_seconds)
try_again:
opcode = readb(&idev->dev_cmd_regs->cmd.cmd.opcode);
start_time = jiffies;
- do {
+ for (fw_up = ionic_is_fw_running(idev);
+ !done && fw_up && time_before(jiffies, max_wait);
+ fw_up = ionic_is_fw_running(idev)) {
done = ionic_dev_cmd_done(idev);
if (done)
break;
usleep_range(100, 200);
-
- /* Don't check the heartbeat on FW_CONTROL commands as they are
- * notorious for interrupting the firmware's heartbeat update.
- */
- if (opcode != IONIC_CMD_FW_CONTROL)
- hb = ionic_heartbeat_check(ionic);
- } while (!done && !hb && time_before(jiffies, max_wait));
+ }
duration = jiffies - start_time;
dev_dbg(ionic->dev, "DEVCMD %s (%d) done=%d took %ld secs (%ld jiffies)\n",
ionic_opcode_to_str(opcode), opcode,
done, duration / HZ, duration);
- if (!done && hb) {
- /* It is possible (but unlikely) that FW was busy and missed a
- * heartbeat check but is still alive and will process this
- * request, so don't clean the dev_cmd in this case.
- */
- dev_dbg(ionic->dev, "DEVCMD %s (%d) failed - FW halted\n",
- ionic_opcode_to_str(opcode), opcode);
+ if (!done && !fw_up) {
+ ionic_dev_cmd_clean(ionic);
+ dev_warn(ionic->dev, "DEVCMD %s (%d) interrupted - FW is down\n",
+ ionic_opcode_to_str(opcode), opcode);
return -ENXIO;
}
@@ -444,9 +481,9 @@ try_again:
}
if (!(opcode == IONIC_CMD_FW_CONTROL && err == IONIC_RC_EAGAIN))
- dev_err(ionic->dev, "DEV_CMD %s (%d) error, %s (%d) failed\n",
- ionic_opcode_to_str(opcode), opcode,
- ionic_error_to_str(err), err);
+ if (do_msg)
+ ionic_dev_cmd_dev_err_print(ionic, opcode, err,
+ ionic_error_to_errno(err));
return ionic_error_to_errno(err);
}
@@ -454,6 +491,16 @@ try_again:
return 0;
}
+int ionic_dev_cmd_wait(struct ionic *ionic, unsigned long max_seconds)
+{
+ return __ionic_dev_cmd_wait(ionic, max_seconds, true);
+}
+
+int ionic_dev_cmd_wait_nomsg(struct ionic *ionic, unsigned long max_seconds)
+{
+ return __ionic_dev_cmd_wait(ionic, max_seconds, false);
+}
+
int ionic_setup(struct ionic *ionic)
{
int err;
@@ -540,6 +587,9 @@ int ionic_reset(struct ionic *ionic)
struct ionic_dev *idev = &ionic->idev;
int err;
+ if (!ionic_is_fw_running(idev))
+ return 0;
+
mutex_lock(&ionic->dev_cmd_lock);
ionic_dev_cmd_reset(idev);
err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
@@ -612,15 +662,17 @@ int ionic_port_init(struct ionic *ionic)
int ionic_port_reset(struct ionic *ionic)
{
struct ionic_dev *idev = &ionic->idev;
- int err;
+ int err = 0;
if (!idev->port_info)
return 0;
- mutex_lock(&ionic->dev_cmd_lock);
- ionic_dev_cmd_port_reset(idev);
- err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
- mutex_unlock(&ionic->dev_cmd_lock);
+ if (ionic_is_fw_running(idev)) {
+ mutex_lock(&ionic->dev_cmd_lock);
+ ionic_dev_cmd_port_reset(idev);
+ err = ionic_dev_cmd_wait(ionic, DEVCMD_TIMEOUT);
+ mutex_unlock(&ionic->dev_cmd_lock);
+ }
dma_free_coherent(ionic->dev, idev->port_info_sz,
idev->port_info, idev->port_info_pa);
@@ -628,9 +680,6 @@ int ionic_port_reset(struct ionic *ionic)
idev->port_info = NULL;
idev->port_info_pa = 0;
- if (err)
- dev_err(ionic->dev, "Failed to reset port\n");
-
return err;
}