diff options
| author | Dmitry Bezrukov <dmitry.bezrukov@aquantia.com> | 2018-11-26 09:33:33 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-27 15:46:07 -0800 |
| commit | 7afa6c9803eac43b205c9e33a5ea543b2c51d026 (patch) | |
| tree | 240dc94547291290f2a03cace1985015d3966d00 /drivers/net/usb | |
| parent | 59b04eeaf294704f29052216344ce52294d7d4e1 (diff) | |
net: usb: aqc111: Add support for VLAN_CTAG_TX/RX offload
Signed-off-by: Dmitry Bezrukov <dmitry.bezrukov@aquantia.com>
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb')
| -rw-r--r-- | drivers/net/usb/aqc111.c | 17 | ||||
| -rw-r--r-- | drivers/net/usb/aqc111.h | 12 |
2 files changed, 28 insertions, 1 deletions
diff --git a/drivers/net/usb/aqc111.c b/drivers/net/usb/aqc111.c index 29131b1e0eec..3590d18ac44d 100644 --- a/drivers/net/usb/aqc111.c +++ b/drivers/net/usb/aqc111.c @@ -452,6 +452,7 @@ static int aqc111_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->hw_features |= AQ_SUPPORT_HW_FEATURE; dev->net->features |= AQ_SUPPORT_FEATURE; + dev->net->vlan_features |= AQ_SUPPORT_VLAN_FEATURE; netif_set_gso_max_size(dev->net, 65535); @@ -714,6 +715,7 @@ static int aqc111_reset(struct usbnet *dev) dev->net->hw_features |= AQ_SUPPORT_HW_FEATURE; dev->net->features |= AQ_SUPPORT_FEATURE; + dev->net->vlan_features |= AQ_SUPPORT_VLAN_FEATURE; /* Power up ethernet PHY */ aqc111_data->phy_cfg = AQ_PHY_POWER_EN; @@ -793,6 +795,7 @@ static int aqc111_rx_fixup(struct usbnet *dev, struct sk_buff *skb) u32 desc_offset = 0; /*RX Header Offset*/ u16 pkt_count = 0; u64 desc_hdr = 0; + u16 vlan_tag = 0; u32 skb_len = 0; if (!skb) @@ -864,6 +867,12 @@ static int aqc111_rx_fixup(struct usbnet *dev, struct sk_buff *skb) if (aqc111_data->rx_checksum) aqc111_rx_checksum(new_skb, pkt_desc); + if (pkt_desc & AQ_RX_PD_VLAN) { + vlan_tag = pkt_desc >> AQ_RX_PD_VLAN_SHIFT; + __vlan_hwaccel_put_tag(new_skb, htons(ETH_P_8021Q), + vlan_tag & VLAN_VID_MASK); + } + usbnet_skb_return(dev, new_skb); if (pkt_count == 0) break; @@ -892,6 +901,7 @@ static struct sk_buff *aqc111_tx_fixup(struct usbnet *dev, struct sk_buff *skb, int headroom = 0; int tailroom = 0; u64 tx_desc = 0; + u16 tci = 0; /*Length of actual data*/ tx_desc |= skb->len & AQ_TX_DESC_LEN_MASK; @@ -909,6 +919,13 @@ static struct sk_buff *aqc111_tx_fixup(struct usbnet *dev, struct sk_buff *skb, tx_desc |= AQ_TX_DESC_DROP_PADD; } + /* Vlan Tag */ + if (vlan_get_tag(skb, &tci) >= 0) { + tx_desc |= AQ_TX_DESC_VLAN; + tx_desc |= ((u64)tci & AQ_TX_DESC_VLAN_MASK) << + AQ_TX_DESC_VLAN_SHIFT; + } + if (!dev->can_dma_sg && (dev->net->features & NETIF_F_SG) && skb_linearize(skb)) return NULL; diff --git a/drivers/net/usb/aqc111.h b/drivers/net/usb/aqc111.h index a57c1184c422..d09326d46273 100644 --- a/drivers/net/usb/aqc111.h +++ b/drivers/net/usb/aqc111.h @@ -26,12 +26,17 @@ /* Feature. ********************************************/ #define AQ_SUPPORT_FEATURE (NETIF_F_SG | NETIF_F_IP_CSUM |\ NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM |\ - NETIF_F_TSO) + NETIF_F_TSO | NETIF_F_HW_VLAN_CTAG_TX |\ + NETIF_F_HW_VLAN_CTAG_RX) #define AQ_SUPPORT_HW_FEATURE (NETIF_F_SG | NETIF_F_IP_CSUM |\ NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM |\ NETIF_F_TSO) +#define AQ_SUPPORT_VLAN_FEATURE (NETIF_F_SG | NETIF_F_IP_CSUM |\ + NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM |\ + NETIF_F_TSO) + /* SFR Reg. ********************************************/ #define SFR_GENERAL_STATUS 0x03 @@ -168,8 +173,11 @@ struct aqc111_data { /* TX Descriptor */ #define AQ_TX_DESC_LEN_MASK 0x1FFFFF #define AQ_TX_DESC_DROP_PADD BIT(28) +#define AQ_TX_DESC_VLAN BIT(29) #define AQ_TX_DESC_MSS_MASK 0x7FFF #define AQ_TX_DESC_MSS_SHIFT 0x20 +#define AQ_TX_DESC_VLAN_MASK 0xFFFF +#define AQ_TX_DESC_VLAN_SHIFT 0x30 #define AQ_RX_HW_PAD 0x02 @@ -183,10 +191,12 @@ struct aqc111_data { #define AQ_RX_PD_L3_IP 0x20 #define AQ_RX_PD_L3_IP6 0x40 +#define AQ_RX_PD_VLAN BIT(10) #define AQ_RX_PD_RX_OK BIT(11) #define AQ_RX_PD_DROP BIT(31) #define AQ_RX_PD_LEN_MASK 0x7FFF0000 #define AQ_RX_PD_LEN_SHIFT 0x10 +#define AQ_RX_PD_VLAN_SHIFT 0x20 /* RX Descriptor header */ #define AQ_RX_DH_PKT_CNT_MASK 0x1FFF |