igb: stub support for SIOCSHWTSTAMP (c6cb090b) · Commits · 戴 / test

drivers/net/igb/igb_main.c

+31 −0

Original line number	Diff line number	Diff line
		@@ -34,6 +34,7 @@
		#include <linux/ipv6.h>
		#include <net/checksum.h>
		#include <net/ip6_checksum.h>
		#include <linux/net_tstamp.h>
		#include <linux/mii.h>
		#include <linux/ethtool.h>
		#include <linux/if_vlan.h>
		@@ -4181,6 +4182,34 @@ static int igb_mii_ioctl(struct net_device netdev, struct ifreq ifr, int cmd)
		return 0;
		}

		/**
		* igb_hwtstamp_ioctl - control hardware time stamping
		* @netdev:
		* @ifreq:
		* @cmd:
		*
		* Currently cannot enable any kind of hardware time stamping, but
		* supports SIOCSHWTSTAMP in general.
		**/
		static int igb_hwtstamp_ioctl(struct net_device *netdev,
		struct ifreq *ifr, int cmd)
		{
		struct hwtstamp_config config;

		if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
		return -EFAULT;

		/* reserved for future extensions */
		if (config.flags)
		return -EINVAL;

		if (config.tx_type == HWTSTAMP_TX_OFF &&
		config.rx_filter == HWTSTAMP_FILTER_NONE)
		return 0;

		return -ERANGE;
		}

		/**
		* igb_ioctl -
		* @netdev:
		@@ -4194,6 +4223,8 @@ static int igb_ioctl(struct net_device netdev, struct ifreq ifr, int cmd)
		case SIOCGMIIREG:
		case SIOCSMIIREG:
		return igb_mii_ioctl(netdev, ifr, cmd);
		case SIOCSHWTSTAMP:
		return igb_hwtstamp_ioctl(netdev, ifr, cmd);
		default:
		return -EOPNOTSUPP;
		}