From: Shannon Nelson <snelson@pensando.io>
To: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org
Cc: drivers@pensando.io, Shannon Nelson <snelson@pensando.io>,
Allen Hubbe <allenbh@pensando.io>
Subject: [PATCH net-next 06/12] ionic: link in the new hw timestamp code
Date: Thu, 1 Apr 2021 10:56:04 -0700 [thread overview]
Message-ID: <20210401175610.44431-7-snelson@pensando.io> (raw)
In-Reply-To: <20210401175610.44431-1-snelson@pensando.io>
These are changes to compile and link the new code, but no
new feature support is available or advertised yet.
Signed-off-by: Allen Hubbe <allenbh@pensando.io>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
---
drivers/net/ethernet/pensando/ionic/Makefile | 1 +
drivers/net/ethernet/pensando/ionic/ionic.h | 4 ++
.../net/ethernet/pensando/ionic/ionic_dev.c | 2 +
.../net/ethernet/pensando/ionic/ionic_dev.h | 1 +
.../net/ethernet/pensando/ionic/ionic_lif.c | 25 +++++++
.../net/ethernet/pensando/ionic/ionic_lif.h | 72 +++++++++++++++++++
.../net/ethernet/pensando/ionic/ionic_main.c | 2 +
7 files changed, 107 insertions(+)
diff --git a/drivers/net/ethernet/pensando/ionic/Makefile b/drivers/net/ethernet/pensando/ionic/Makefile
index 8d3c2d3cb10d..4e7642a2d25f 100644
--- a/drivers/net/ethernet/pensando/ionic/Makefile
+++ b/drivers/net/ethernet/pensando/ionic/Makefile
@@ -6,3 +6,4 @@ obj-$(CONFIG_IONIC) := ionic.o
ionic-y := ionic_main.o ionic_bus_pci.o ionic_devlink.o ionic_dev.o \
ionic_debugfs.o ionic_lif.o ionic_rx_filter.o ionic_ethtool.o \
ionic_txrx.o ionic_stats.o ionic_fw.o
+ionic-$(CONFIG_PTP_1588_CLOCK) += ionic_phc.o
diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h
index 18e92103c711..66204106f83e 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic.h
@@ -20,6 +20,10 @@ struct ionic_lif;
#define DEVCMD_TIMEOUT 10
+#define IONIC_PHC_UPDATE_NS 10000000000 /* 10s in nanoseconds */
+#define NORMAL_PPB 1000000000 /* one billion parts per billion */
+#define SCALED_PPM (1000000ull << 16) /* 2^16 million parts per 2^16 million */
+
struct ionic_vf {
u16 index;
u8 macaddr[6];
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.c b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
index 0e8e88c69e1c..1dfe962e22e0 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.c
@@ -79,6 +79,8 @@ int ionic_dev_setup(struct ionic *ionic)
idev->intr_status = bar->vaddr + IONIC_BAR0_INTR_STATUS_OFFSET;
idev->intr_ctrl = bar->vaddr + IONIC_BAR0_INTR_CTRL_OFFSET;
+ idev->hwstamp_regs = &idev->dev_info_regs->hwstamp;
+
sig = ioread32(&idev->dev_info_regs->signature);
if (sig != IONIC_DEV_INFO_SIGNATURE) {
dev_err(dev, "Incompatible firmware signature %x", sig);
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
index 25c52c042246..28994e01fa0a 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h
@@ -136,6 +136,7 @@ struct ionic_devinfo {
struct ionic_dev {
union ionic_dev_info_regs __iomem *dev_info_regs;
union ionic_dev_cmd_regs __iomem *dev_cmd_regs;
+ struct ionic_hwstamp_regs __iomem *hwstamp_regs;
atomic_long_t last_check_time;
unsigned long last_hb_time;
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 9a61b2bbb652..ced80de4d92a 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -830,6 +830,31 @@ static int ionic_lif_rxq_init(struct ionic_lif *lif, struct ionic_qcq *qcq)
return 0;
}
+int ionic_lif_create_hwstamp_txq(struct ionic_lif *lif)
+{
+ return 0;
+}
+
+int ionic_lif_create_hwstamp_rxq(struct ionic_lif *lif)
+{
+ return 0;
+}
+
+int ionic_lif_config_hwstamp_rxq_all(struct ionic_lif *lif, bool rx_all)
+{
+ return 0;
+}
+
+int ionic_lif_set_hwstamp_txmode(struct ionic_lif *lif, u16 txstamp_mode)
+{
+ return 0;
+}
+
+int ionic_lif_set_hwstamp_rxfilt(struct ionic_lif *lif, u64 pkt_class)
+{
+ return 0;
+}
+
static bool ionic_notifyq_service(struct ionic_cq *cq,
struct ionic_cq_info *cq_info)
{
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.h b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
index 93d3058aed77..ea3b086af179 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.h
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.h
@@ -4,6 +4,9 @@
#ifndef _IONIC_LIF_H_
#define _IONIC_LIF_H_
+#include <linux/ptp_clock_kernel.h>
+#include <linux/timecounter.h>
+#include <uapi/linux/net_tstamp.h>
#include <linux/dim.h>
#include <linux/pci.h>
#include "ionic_rx_filter.h"
@@ -36,6 +39,8 @@ struct ionic_tx_stats {
u64 crc32_csum;
u64 sg_cntr[IONIC_MAX_NUM_SG_CNTR];
u64 dma_map_err;
+ u64 hwstamp_valid;
+ u64 hwstamp_invalid;
};
struct ionic_rx_stats {
@@ -49,6 +54,8 @@ struct ionic_rx_stats {
u64 csum_error;
u64 dma_map_err;
u64 alloc_err;
+ u64 hwstamp_valid;
+ u64 hwstamp_invalid;
};
#define IONIC_QCQ_F_INITED BIT(0)
@@ -125,6 +132,10 @@ struct ionic_lif_sw_stats {
u64 rx_csum_none;
u64 rx_csum_complete;
u64 rx_csum_error;
+ u64 tx_hwstamp_valid;
+ u64 tx_hwstamp_invalid;
+ u64 rx_hwstamp_valid;
+ u64 rx_hwstamp_invalid;
u64 hw_tx_dropped;
u64 hw_rx_dropped;
u64 hw_rx_over_errors;
@@ -158,6 +169,8 @@ struct ionic_qtype_info {
u16 sg_desc_stride;
};
+struct ionic_phc;
+
#define IONIC_LIF_NAME_MAX_SZ 32
struct ionic_lif {
struct net_device *netdev;
@@ -170,8 +183,10 @@ struct ionic_lif {
struct ionic_qcq *adminqcq;
struct ionic_qcq *notifyqcq;
struct ionic_qcq **txqcqs;
+ struct ionic_qcq *hwstamp_txq;
struct ionic_tx_stats *txqstats;
struct ionic_qcq **rxqcqs;
+ struct ionic_qcq *hwstamp_rxq;
struct ionic_rx_stats *rxqstats;
struct ionic_deferred deferred;
struct work_struct tx_timeout_work;
@@ -214,9 +229,29 @@ struct ionic_lif {
unsigned long *dbid_inuse;
unsigned int dbid_count;
+ struct ionic_phc *phc;
+
struct dentry *dentry;
};
+struct ionic_phc {
+ spinlock_t lock; /* lock for cc and tc */
+ struct cyclecounter cc;
+ struct timecounter tc;
+
+ struct mutex config_lock; /* lock for ts_config */
+ struct hwtstamp_config ts_config;
+ u64 ts_config_rx_filt;
+ u32 ts_config_tx_mode;
+
+ u32 init_cc_mult;
+ long aux_work_delay;
+
+ struct ptp_clock_info ptp_info;
+ struct ptp_clock *ptp;
+ struct ionic_lif *lif;
+};
+
struct ionic_queue_params {
unsigned int nxqs;
unsigned int ntxq_descs;
@@ -265,6 +300,43 @@ void ionic_lif_unregister(struct ionic_lif *lif);
int ionic_lif_identify(struct ionic *ionic, u8 lif_type,
union ionic_lif_identity *lif_ident);
int ionic_lif_size(struct ionic *ionic);
+
+#if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
+int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr);
+int ionic_lif_hwstamp_get(struct ionic_lif *lif, struct ifreq *ifr);
+ktime_t ionic_lif_phc_ktime(struct ionic_lif *lif, u64 counter);
+void ionic_lif_register_phc(struct ionic_lif *lif);
+void ionic_lif_unregister_phc(struct ionic_lif *lif);
+void ionic_lif_alloc_phc(struct ionic_lif *lif);
+void ionic_lif_free_phc(struct ionic_lif *lif);
+#else
+static inline int ionic_lif_hwstamp_set(struct ionic_lif *lif, struct ifreq *ifr)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline int ionic_lif_hwstamp_get(struct ionic_lif *lif, struct ifreq *ifr)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline ktime_t ionic_lif_phc_ktime(struct ionic_lif *lif, u64 counter)
+{
+ return ns_to_ktime(0);
+}
+
+static inline void ionic_lif_register_phc(struct ionic_lif *lif) {}
+static inline void ionic_lif_unregister_phc(struct ionic_lif *lif) {}
+static inline void ionic_lif_alloc_phc(struct ionic_lif *lif) {}
+static inline void ionic_lif_free_phc(struct ionic_lif *lif) {}
+#endif
+
+int ionic_lif_create_hwstamp_txq(struct ionic_lif *lif);
+int ionic_lif_create_hwstamp_rxq(struct ionic_lif *lif);
+int ionic_lif_config_hwstamp_rxq_all(struct ionic_lif *lif, bool rx_all);
+int ionic_lif_set_hwstamp_txmode(struct ionic_lif *lif, u16 txstamp_mode);
+int ionic_lif_set_hwstamp_rxfilt(struct ionic_lif *lif, u64 pkt_class);
+
int ionic_lif_rss_config(struct ionic_lif *lif, u16 types,
const u8 *key, const u32 *indir);
int ionic_reconfigure_queues(struct ionic_lif *lif,
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c
index 8c27fbe0e312..61cfe2120817 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_main.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c
@@ -148,6 +148,8 @@ static const char *ionic_opcode_to_str(enum ionic_cmd_opcode opcode)
return "IONIC_CMD_LIF_SETATTR";
case IONIC_CMD_LIF_GETATTR:
return "IONIC_CMD_LIF_GETATTR";
+ case IONIC_CMD_LIF_SETPHC:
+ return "IONIC_CMD_LIF_SETPHC";
case IONIC_CMD_RX_MODE_SET:
return "IONIC_CMD_RX_MODE_SET";
case IONIC_CMD_RX_FILTER_ADD:
--
2.17.1
next prev parent reply other threads:[~2021-04-01 19:05 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-01 17:55 [PATCH net-next 00/12] ionic: add PTP and hw clock support Shannon Nelson
2021-04-01 17:55 ` [PATCH net-next 01/12] ionic: add new queue features to interface Shannon Nelson
2021-04-01 17:56 ` [PATCH net-next 02/12] ionic: add handling of larger descriptors Shannon Nelson
2021-04-04 22:50 ` Richard Cochran
2021-04-05 16:17 ` Shannon Nelson
2021-04-01 17:56 ` [PATCH net-next 03/12] ionic: add hw timestamp structs to interface Shannon Nelson
2021-04-01 17:56 ` [PATCH net-next 04/12] ionic: split adminq post and wait calls Shannon Nelson
2021-04-01 17:56 ` [PATCH net-next 05/12] ionic: add hw timestamp support files Shannon Nelson
2021-04-04 23:05 ` Richard Cochran
2021-04-05 4:53 ` Leon Romanovsky
2021-04-05 16:16 ` Shannon Nelson
2021-04-05 18:17 ` Richard Cochran
2021-04-06 23:18 ` Shannon Nelson
2021-04-07 0:27 ` Richard Cochran
2021-04-07 4:55 ` Shannon Nelson
2021-04-04 23:21 ` Richard Cochran
2021-04-05 16:19 ` Shannon Nelson
2021-04-01 17:56 ` Shannon Nelson [this message]
2021-04-01 17:56 ` [PATCH net-next 07/12] ionic: add rx filtering for hw timestamp steering Shannon Nelson
2021-04-01 17:56 ` [PATCH net-next 08/12] ionic: set up hw timestamp queues Shannon Nelson
2021-04-01 17:56 ` [PATCH net-next 09/12] ionic: add and enable tx and rx timestamp handling Shannon Nelson
2021-04-04 23:41 ` Richard Cochran
2021-04-05 16:28 ` Shannon Nelson
2021-04-05 18:20 ` Richard Cochran
2021-04-06 23:06 ` Shannon Nelson
2021-04-07 0:29 ` Richard Cochran
2021-04-01 17:56 ` [PATCH net-next 10/12] ionic: add ethtool support for PTP Shannon Nelson
2021-04-01 17:56 ` [PATCH net-next 11/12] ionic: ethtool ptp stats Shannon Nelson
2021-04-01 17:56 ` [PATCH net-next 12/12] ionic: advertise support for hardware timestamps Shannon Nelson
2021-04-04 23:43 ` Richard Cochran
2021-04-05 16:33 ` Shannon Nelson
2021-04-05 18:23 ` Richard Cochran
2021-04-01 21:02 ` [PATCH net-next 00/12] ionic: add PTP and hw clock support Andrew Lunn
2021-04-01 21:11 ` Shannon Nelson
2021-04-02 21:30 ` patchwork-bot+netdevbpf
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210401175610.44431-7-snelson@pensando.io \
--to=snelson@pensando.io \
--cc=allenbh@pensando.io \
--cc=davem@davemloft.net \
--cc=drivers@pensando.io \
--cc=kuba@kernel.org \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.