D3282.1789586078.diff
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

D3282.1789586078.diff
View Options

	Index: share/man/man4/em.4
	===================================================================
	--- share/man/man4/em.4
	+++ share/man/man4/em.4
	@@ -205,6 +205,10 @@
	prompt before booting the kernel or stored in
	.Xr loader.conf 5 .
	.Bl -tag -width indent
	+.It Va hw.em.disable_crc_stripping
	+Disable or enable hardware stripping of CRC field. Most often used
	+on BMC/IPMI shared interfaces.
	+Default 0 (enabled)
	.It Va hw.em.eee_setting
	Disable or enable Energy Efficient Ethernet.
	Default 1 (disabled).
	Index: sys/dev/e1000/if_em.c
	===================================================================
	--- sys/dev/e1000/if_em.c
	+++ sys/dev/e1000/if_em.c
	@@ -366,6 +366,10 @@

	static SYSCTL_NODE(_hw, OID_AUTO, em, CTLFLAG_RD, 0, "EM driver parameters");

	+static int em_disable_crc_stripping = 0;
	+SYSCTL_INT(_hw_em, OID_AUTO, disable_crc_stripping, CTLFLAG_RD,
	+ &em_disable_crc_stripping, 0, "Disable CRC Stripping");
	+
	static int em_tx_int_delay_dflt = EM_TICKS_TO_USECS(EM_TIDV);
	static int em_rx_int_delay_dflt = EM_TICKS_TO_USECS(EM_RDTR);
	SYSCTL_INT(_hw_em, OID_AUTO, tx_int_delay, CTLFLAG_RDTUN, &em_tx_int_delay_dflt,
	@@ -4514,7 +4518,8 @@
	(hw->mac.mc_filter_type << E1000_RCTL_MO_SHIFT);

	/* Strip the CRC */
	- rctl \|= E1000_RCTL_SECRC;
	+ if (!em_disable_crc_stripping)
	+ rctl \|= E1000_RCTL_SECRC;

	/* Make sure VLAN Filters are off */
	rctl &= ~E1000_RCTL_VFE;