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Date: Fri, 5 Oct 2018 10:25:15 +0000
From: Igor Russkikh <Igor.Russkikh@...antia.com>
To: "David S . Miller" <davem@...emloft.net>
CC: "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
Igor Russkikh <Igor.Russkikh@...antia.com>,
Dmitry Bezrukov <Dmitry.Bezrukov@...antia.com>
Subject: [PATCH net-next 14/19] net: usb: aqc111: Implement set_rx_mode
callback
From: Dmitry Bezrukov <dmitry.bezrukov@...antia.com>
Signed-off-by: Dmitry Bezrukov <dmitry.bezrukov@...antia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@...antia.com>
---
drivers/net/usb/aqc111.c | 72 ++++++++++++++++++++++++++++++++++++++++++++----
drivers/net/usb/aqc111.h | 4 +++
2 files changed, 71 insertions(+), 5 deletions(-)
diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c
index f61fa7446b72..cc23c39beab3 100644
--- a/drivers/net/usb/aqc111.c
+++ b/drivers/net/usb/aqc111.c
@@ -11,6 +11,7 @@
#include <linux/netdevice.h>
#include <linux/mii.h>
#include <linux/usb.h>
+#include <linux/crc32.h>
#include <linux/if_vlan.h>
#include <linux/usb/cdc.h>
#include <linux/usb/usbnet.h>
@@ -139,6 +140,24 @@ static int aqc111_write_cmd(struct usbnet *dev, u8 cmd, u16 value,
return __aqc111_write_cmd(dev, cmd, value, index, size, data, 0);
}
+static void aqc111_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
+ u16 index, u16 size, void *data)
+{
+ if (size == 2) {
+ u16 buf;
+
+ buf = *((u16 *)data);
+ cpu_to_le16s(&buf);
+ usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE, value, index, &buf,
+ size);
+ } else {
+ usbnet_write_cmd_async(dev, cmd, USB_DIR_OUT | USB_TYPE_VENDOR |
+ USB_RECIP_DEVICE, value, index, data,
+ size);
+ }
+}
+
static int aq_mdio_read_cmd(struct usbnet *dev, u16 value, u16 index,
u16 size, void *data)
{
@@ -332,6 +351,44 @@ static int aqc111_set_mac_addr(struct net_device *net, void *p)
ETH_ALEN, net->dev_addr);
}
+static void aqc111_set_rx_mode(struct net_device *net)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct aqc111_data *aqc111_data = (struct aqc111_data *)dev->data[0];
+ u8 *m_filter = ((u8 *)dev->data) + 12;
+ int mc_count = 0;
+
+ mc_count = netdev_mc_count(net);
+
+ aqc111_data->rxctl &= ~(SFR_RX_CTL_PRO | SFR_RX_CTL_AMALL |
+ SFR_RX_CTL_AM);
+
+ if (net->flags & IFF_PROMISC) {
+ aqc111_data->rxctl |= SFR_RX_CTL_PRO;
+ } else if ((net->flags & IFF_ALLMULTI) || mc_count > AQ_MAX_MCAST) {
+ aqc111_data->rxctl |= SFR_RX_CTL_AMALL;
+ } else if (!netdev_mc_empty(net)) {
+ u32 crc_bits = 0;
+ struct netdev_hw_addr *ha = NULL;
+
+ memset(m_filter, 0, AQ_MCAST_FILTER_SIZE);
+ netdev_for_each_mc_addr(ha, net) {
+ crc_bits = ether_crc(ETH_ALEN, ha->addr) >> 26;
+ m_filter[crc_bits >> 3] |= BIT(crc_bits & 7);
+ }
+
+ aqc111_write_cmd_async(dev, AQ_ACCESS_MAC,
+ SFR_MULTI_FILTER_ARRY,
+ AQ_MCAST_FILTER_SIZE,
+ AQ_MCAST_FILTER_SIZE, m_filter);
+
+ aqc111_data->rxctl |= SFR_RX_CTL_AM;
+ }
+
+ aqc111_write_cmd_async(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
+ 2, 2, &aqc111_data->rxctl);
+}
+
static int aqc111_set_features(struct net_device *net,
netdev_features_t features)
{
@@ -381,6 +438,7 @@ static const struct net_device_ops aqc111_netdev_ops = {
.ndo_change_mtu = aqc111_change_mtu,
.ndo_set_mac_address = aqc111_set_mac_addr,
.ndo_validate_addr = eth_validate_addr,
+ .ndo_set_rx_mode = aqc111_set_rx_mode,
.ndo_set_features = aqc111_set_features,
};
@@ -681,6 +739,7 @@ static int aqc111_link_reset(struct usbnet *dev)
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_ARC_CTRL, 1, 1, ®8);
reg16 = SFR_RX_CTL_IPE | SFR_RX_CTL_AB;
+ aqc111_data->rxctl = reg16;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, 2, ®16);
reg8 = SFR_RX_PATH_READY;
@@ -701,6 +760,8 @@ static int aqc111_link_reset(struct usbnet *dev)
aqc111_configure_csum_offload(dev);
+ aqc111_set_rx_mode(dev->net);
+
aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, 2, ®16);
@@ -712,8 +773,9 @@ static int aqc111_link_reset(struct usbnet *dev)
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, 2, ®16);
- reg16 = SFR_RX_CTL_IPE | SFR_RX_CTL_AB | SFR_RX_CTL_START;
- aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, 2, ®16);
+ aqc111_data->rxctl |= SFR_RX_CTL_START;
+ aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
+ 2, 2, &aqc111_data->rxctl);
netif_carrier_on(dev->net);
} else {
@@ -723,9 +785,9 @@ static int aqc111_link_reset(struct usbnet *dev)
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_MEDIUM_STATUS_MODE,
2, 2, ®16);
- aqc111_read_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, 2, ®16);
- reg16 &= ~SFR_RX_CTL_START;
- aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL, 2, 2, ®16);
+ aqc111_data->rxctl &= ~SFR_RX_CTL_START;
+ aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_RX_CTL,
+ 2, 2, &aqc111_data->rxctl);
reg8 = SFR_BULK_OUT_FLUSH_EN | SFR_BULK_OUT_EFF_EN;
aqc111_write_cmd(dev, AQ_ACCESS_MAC, SFR_BULK_OUT_CTRL,
diff --git a/drivers/net/usb/aqc111.h b/drivers/net/usb/aqc111.h
index 9cf357777df9..2f324ec66a65 100644
--- a/drivers/net/usb/aqc111.h
+++ b/drivers/net/usb/aqc111.h
@@ -12,6 +12,9 @@
#define URB_SIZE (1024 * 62)
+#define AQ_MCAST_FILTER_SIZE 8
+#define AQ_MAX_MCAST 64
+
#define AQ_ACCESS_MAC 0x01
#define AQ_FLASH_PARAMETERS 0x20
#define AQ_PHY_POWER 0x31
@@ -207,6 +210,7 @@ struct aqc111_phy_options {
};
struct aqc111_data {
+ u16 rxctl;
u8 rx_checksum;
u8 link_speed;
u8 link;
--
2.7.4
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