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net: systemport: Add support for WAKE_FILTER

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The SYSTEMPORT MAC allows up to 8 filters to be programmed to wake-up
from LAN. Verify that we have up to 8 filters and program them to the
appropriate RXCHK entries to be matched (along with their masks).

We need to update the entry and exit to Wake-on-LAN mode to keep the
RXCHK engine running to match during suspend, but this is otherwise
fairly similar to Magic Packet detection.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli
2018-08-07 10:50:23 -07:00
committed by David S. Miller
parent 8a75f4f2ac
commit bb9051a2b2
2 changed files with 195 additions and 9 deletions
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11
drivers/net/ethernet/broadcom/bcmsysport.h
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@@ -11,6 +11,7 @@
#ifndef __BCM_SYSPORT_H
#define __BCM_SYSPORT_H
#include <linux/bitmap.h>
#include <linux/if_vlan.h>
#include <linux/net_dim.h>
@@ -155,14 +156,18 @@ struct bcm_rsb {
#define RXCHK_PARSE_AUTH (1 << 22)
#define RXCHK_BRCM_TAG0 0x04
#define RXCHK_BRCM_TAG(i) ((i) * RXCHK_BRCM_TAG0)
#define RXCHK_BRCM_TAG(i) ((i) * 0x4 + RXCHK_BRCM_TAG0)
#define RXCHK_BRCM_TAG0_MASK 0x24
#define RXCHK_BRCM_TAG_MASK(i) ((i) * RXCHK_BRCM_TAG0_MASK)
#define RXCHK_BRCM_TAG_MASK(i) ((i) * 0x4 + RXCHK_BRCM_TAG0_MASK)
#define RXCHK_BRCM_TAG_MATCH_STATUS 0x44
#define RXCHK_ETHERTYPE 0x48
#define RXCHK_BAD_CSUM_CNTR 0x4C
#define RXCHK_OTHER_DISC_CNTR 0x50
#define RXCHK_BRCM_TAG_MAX 8
#define RXCHK_BRCM_TAG_CID_SHIFT 16
#define RXCHK_BRCM_TAG_CID_MASK 0xff
/* TXCHCK offsets and defines */
#define SYS_PORT_TXCHK_OFFSET 0x380
#define TXCHK_PKT_RDY_THRESH 0x00
@@ -185,6 +190,7 @@ struct bcm_rsb {
#define RBUF_RSB_SWAP0 (1 << 22)
#define RBUF_RSB_SWAP1 (1 << 23)
#define RBUF_ACPI_EN (1 << 23)
#define RBUF_ACPI_EN_LITE (1 << 24)
#define RBUF_PKT_RDY_THRESH 0x04
@@ -777,6 +783,7 @@ struct bcm_sysport_priv {
/* Ethtool */
u32 msg_enable;
DECLARE_BITMAP(filters, RXCHK_BRCM_TAG_MAX);
struct bcm_sysport_stats64 stats64;