Attachment 185412 Details for Bug 221530 – disable hw lldp sysctl patch

[patch] disable hw lldp sysctl patch

ixl_lldp.diff (text/plain), 3.11 KB, created by Nikita Kozlov on 2017-08-14 18:25:47 UTC

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Creator: Nikita Kozlov

Created: 2017-08-14 18:25:47 UTC

Size: 3.11 KB

patch

obsolete

>diff --git a/sys/dev/ixl/if_ixl.c b/sys/dev/ixl/if_ixl.c
>index f814855c187..a3b75071ba4 100644
>--- a/sys/dev/ixl/if_ixl.c
>+++ b/sys/dev/ixl/if_ixl.c
>@@ -215,6 +215,11 @@ TUNABLE_INT("hw.ixl.tx_itr", &ixl_tx_itr);
> SYSCTL_INT(_hw_ixl, OID_AUTO, tx_itr, CTLFLAG_RDTUN,
>     &ixl_tx_itr, 0, "TX Interrupt Rate");
> 
>+static int ixl_hw_lldp = 1;
>+TUNABLE_INT("hw.ixl.hw_lldp", &ixl_hw_lldp);
>+SYSCTL_INT(_hw_ixl, OID_AUTO, hw_lldp, CTLFLAG_RDTUN,
>+     &ixl_hw_lldp, 0, "Handle LLDP by NIC");
>+
> #ifdef IXL_IW
> int ixl_enable_iwarp = 0;
> TUNABLE_INT("hw.ixl.enable_iwarp", &ixl_enable_iwarp);
>@@ -315,6 +320,7 @@ ixl_save_pf_tunables(struct ixl_pf *pf)
> 	pf->dynamic_tx_itr = ixl_dynamic_tx_itr;
> 	pf->dbg_mask = ixl_core_debug_mask;
> 	pf->hw.debug_mask = ixl_shared_debug_mask;
>+	pf->hw_lldp = ixl_hw_lldp;
> 
> 	if (ixl_ring_size < IXL_MIN_RING
> 	     || ixl_ring_size > IXL_MAX_RING
>diff --git a/sys/dev/ixl/ixl_pf.h b/sys/dev/ixl/ixl_pf.h
>index 54083007c51..47801cf5391 100644
>--- a/sys/dev/ixl/ixl_pf.h
>+++ b/sys/dev/ixl/ixl_pf.h
>@@ -100,6 +100,7 @@ struct ixl_pf {
> 	int			dynamic_tx_itr;
> 	int			tx_itr;
> 	int			rx_itr;
>+	int			hw_lldp;
> 
> 	struct mtx		pf_mtx;
> 
>diff --git a/sys/dev/ixl/ixl_pf_main.c b/sys/dev/ixl/ixl_pf_main.c
>index 37c2745aae2..11bc6dfd887 100644
>--- a/sys/dev/ixl/ixl_pf_main.c
>+++ b/sys/dev/ixl/ixl_pf_main.c
>@@ -62,6 +62,7 @@ static int	ixl_sysctl_show_fw(SYSCTL_HANDLER_ARGS);
> static int	ixl_sysctl_unallocated_queues(SYSCTL_HANDLER_ARGS);
> static int	ixl_sysctl_pf_tx_itr(SYSCTL_HANDLER_ARGS);
> static int	ixl_sysctl_pf_rx_itr(SYSCTL_HANDLER_ARGS);
>+static int	ixl_sysctl_pf_lldp(SYSCTL_HANDLER_ARGS);
> 
> /* Debug Sysctls */
> static int 	ixl_sysctl_link_status(SYSCTL_HANDLER_ARGS);
>@@ -2714,6 +2715,41 @@ ixl_sysctl_pf_rx_itr(SYSCTL_HANDLER_ARGS)
> 	return (error);
> }
> 
>+/*
>+ * Used to set the Rx ITR value for all of the PF LAN VSI's queues.
>+ * Writes to the ITR registers immediately.
>+ */
>+static int
>+ixl_sysctl_pf_lldp(SYSCTL_HANDLER_ARGS)
>+{
>+	struct ixl_pf *pf = (struct ixl_pf *)arg1;
>+	struct i40e_hw *hw = &pf->hw;
>+	device_t dev = pf->dev;
>+	int error = 0;
>+	int requested_lldp_status;
>+
>+	requested_lldp_status = pf->hw_lldp;
>+	error = sysctl_handle_int(oidp, &requested_lldp_status, 0, req);
>+	if ((error) || (req->newptr == NULL))
>+		return (error);
>+	if (requested_lldp_status < 0 || requested_lldp_status > 1 ) {
>+		device_printf(dev, "Invalid lldp value; value must be 0 or 1\n");
>+		return (EINVAL);
>+	}
>+
>+	if (pf->hw_lldp == requested_lldp_status)
>+		return (error);
>+
>+	if (!requested_lldp_status) {
>+		i40e_aq_stop_lldp(hw, FALSE, NULL);
>+	} else {
>+		i40e_aq_start_lldp(hw, NULL);
>+	}
>+
>+	pf->hw_lldp = requested_lldp_status;
>+	return (error);
>+}
>+
> void
> ixl_add_hw_stats(struct ixl_pf *pf)
> {
>@@ -4292,6 +4328,11 @@ ixl_add_device_sysctls(struct ixl_pf *pf)
> 	    OID_AUTO, "dynamic_tx_itr", CTLFLAG_RW,
> 	    &pf->dynamic_tx_itr, 0, "Enable dynamic TX ITR");
> 
>+	SYSCTL_ADD_PROC(ctx, ctx_list,
>+	    OID_AUTO, "hw_lldp", CTLTYPE_INT | CTLFLAG_RW,
>+	    pf, 0, ixl_sysctl_pf_lldp, "I",
>+	    "Handle LLDP by the NIC");
>+
> 	/* Add FEC sysctls for 25G adapters */
> 	/*
> 	 * XXX: These settings can be changed, but that isn't supported,

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Attachments on bug 221530: 185412