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nvethernet: add PTP support

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This takes care of implementing the PTP support
which includes PTP V1/V2 over IPV4,IPV6,Ethernet,gPTP.

Bug 200524751

Change-Id: Id647db1f60582717a09f24699841e00d7a582a1d
Signed-off-by: Narayan Reddy <narayanr@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2123439
GVS: Gerrit_Virtual_Submit
Reviewed-by: Srinivas Ramachandran <srinivasra@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Narayan Reddy
2019-05-15 23:36:32 +05:30
committed by Revanth Kumar Uppala
parent 6a3fdf61b3
commit 21dcef7b83
6 changed files with 511 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/net/ethernet/nvidia/nvethernet/ether_linux.h
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@@ -17,8 +17,10 @@
#ifndef ETHER_LINUX_H
#define ETHER_LINUX_H
#include <linux/ptp_clock_kernel.h>
#include <linux/platform_device.h>
#include <linux/etherdevice.h>
#include <linux/net_tstamp.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/of_gpio.h>
@@ -34,6 +36,7 @@
#include <linux/tcp.h>
#include <linux/udp.h>
#include <linux/of.h>
#include <linux/ktime.h>
#include <osi_core.h>
#include <osi_dma.h>
@@ -45,6 +48,7 @@
#define ETHER_QUEUE_PRIO_DEFAULT 0U
#define ETHER_QUEUE_PRIO_MAX 7U
#define ETHER_QUEUE_PRIO_INVALID 0xFFU
#define ETHER_DFLT_PTP_CLK 312500000U
#define EQOS_CONFIG_FAIL -3
#define EQOS_CONFIG_SUCCESS 0
@@ -172,6 +176,11 @@ struct ether_rx_napi {
* @l3_l4_filter: L3_l4 filter enabled 1: enabled
* @vlan_hash_filtering: vlan hash filter 1: hash, 0: perfect
* @l2_filtering_mode: l2 filter mode 1: hash 0: perfect
* @ptp_clock_ops: PTP clock operations structure.
* @ptp_clock: PTP system clock
* @ptp_ref_clock_speed: PTP reference clock supported by platform
* @hwts_tx_en: HW tx time stamping enable
* @hwts_rx_en: HW rx time stamping enable
*/
struct ether_priv_data {
struct osi_core_priv_data *osi_core;
@@ -231,9 +240,20 @@ struct ether_priv_data {
unsigned int l3_l4_filter;
unsigned int vlan_hash_filtering;
unsigned int l2_filtering_mode;
/* for PTP */
struct ptp_clock_info ptp_clock_ops;
struct ptp_clock *ptp_clock;
unsigned int ptp_ref_clock_speed;
unsigned int hwts_tx_en;
unsigned int hwts_rx_en;
};
void ether_set_ethtool_ops(struct net_device *ndev);
int ether_sysfs_register(struct device *dev);
void ether_sysfs_unregister(struct device *dev);
int ether_ptp_init(struct ether_priv_data *pdata);
void ether_ptp_remove(struct ether_priv_data *pdata);
int ether_handle_hwtstamp_ioctl(struct ether_priv_data *pdata,
struct ifreq *ifr);
#endif /* ETHER_LINUX_H */