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qlcnic: Support VLAN id config.
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o Add support for VLAN id configuration per VF using
  iproute2 tool.
o VLAN id's 1-4094 are treated as PVID by the PF and
  Guest VLAN tagging is not allowed by default.
o PVID is disabled when the VLAN id is set to 0
o Guest VLAN tagging is allowed when the VLAN id is set to 4095.
o Only one Guest VLAN id  is supported.
o VLAN id can be changed only when the VF driver is not loaded.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rajesh Borundia authored and David S. Miller committed Apr 19, 2013
1 parent 4000e7a commit 91b7282
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Showing 8 changed files with 492 additions and 29 deletions.
17 changes: 12 additions & 5 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
Original file line number Diff line number Diff line change
Expand Up @@ -979,7 +979,8 @@ struct qlcnic_adapter {
u8 reset_ctx_cnt;

u16 is_up;
u16 pvid;
u16 rx_pvid;
u16 tx_pvid;

u32 irq;
u32 heartbeat;
Expand Down Expand Up @@ -1445,10 +1446,10 @@ void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter,
struct qlcnic_host_rds_ring *rds_ring, u8 ring_id);
int qlcnic_process_rcv_ring(struct qlcnic_host_sds_ring *sds_ring, int max);
void qlcnic_set_multi(struct net_device *netdev);
void __qlcnic_set_multi(struct net_device *netdev);
int qlcnic_nic_add_mac(struct qlcnic_adapter *, const u8 *);
void __qlcnic_set_multi(struct net_device *, u16);
int qlcnic_nic_add_mac(struct qlcnic_adapter *, const u8 *, u16);
int qlcnic_nic_del_mac(struct qlcnic_adapter *, const u8 *);
void qlcnic_free_mac_list(struct qlcnic_adapter *adapter);
void qlcnic_82xx_free_mac_list(struct qlcnic_adapter *adapter);

int qlcnic_fw_cmd_set_mtu(struct qlcnic_adapter *adapter, int mtu);
int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *);
Expand Down Expand Up @@ -1530,7 +1531,7 @@ int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter);
int qlcnic_read_mac_addr(struct qlcnic_adapter *);
int qlcnic_setup_netdev(struct qlcnic_adapter *, struct net_device *, int);
void qlcnic_sriov_vf_schedule_multi(struct net_device *);
void qlcnic_vf_add_mc_list(struct net_device *);
void qlcnic_vf_add_mc_list(struct net_device *, u16);

/*
* QLOGIC Board information
Expand Down Expand Up @@ -1606,6 +1607,7 @@ struct qlcnic_hardware_ops {
int (*config_promisc_mode) (struct qlcnic_adapter *, u32);
void (*change_l2_filter) (struct qlcnic_adapter *, u64 *, u16);
int (*get_board_info) (struct qlcnic_adapter *);
void (*free_mac_list) (struct qlcnic_adapter *);
};

extern struct qlcnic_nic_template qlcnic_vf_ops;
Expand Down Expand Up @@ -1815,6 +1817,11 @@ static inline int qlcnic_get_board_info(struct qlcnic_adapter *adapter)
return adapter->ahw->hw_ops->get_board_info(adapter);
}

static inline void qlcnic_free_mac_list(struct qlcnic_adapter *adapter)
{
return adapter->ahw->hw_ops->free_mac_list(adapter);
}

static inline void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter,
u32 key)
{
Expand Down
5 changes: 5 additions & 0 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
Original file line number Diff line number Diff line change
Expand Up @@ -172,6 +172,7 @@ static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = {
.config_promisc_mode = qlcnic_83xx_nic_set_promisc,
.change_l2_filter = qlcnic_83xx_change_l2_filter,
.get_board_info = qlcnic_83xx_get_port_info,
.free_mac_list = qlcnic_82xx_free_mac_list,
};

static struct qlcnic_nic_template qlcnic_83xx_ops = {
Expand Down Expand Up @@ -1797,6 +1798,10 @@ int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
if (err)
return err;

if (vlan_id)
op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ?
QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL;

cmd.req.arg[1] = op | (1 << 8);
qlcnic_83xx_set_interface_id_macaddr(adapter, &temp);
cmd.req.arg[1] |= temp;
Expand Down
18 changes: 9 additions & 9 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c
Original file line number Diff line number Diff line change
Expand Up @@ -468,7 +468,7 @@ int qlcnic_nic_del_mac(struct qlcnic_adapter *adapter, const u8 *addr)
return err;
}

int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr)
int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr, u16 vlan)
{
struct list_head *head;
struct qlcnic_mac_list_s *cur;
Expand All @@ -487,7 +487,7 @@ int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr)
memcpy(cur->mac_addr, addr, ETH_ALEN);

if (qlcnic_sre_macaddr_change(adapter,
cur->mac_addr, 0, QLCNIC_MAC_ADD)) {
cur->mac_addr, vlan, QLCNIC_MAC_ADD)) {
kfree(cur);
return -EIO;
}
Expand All @@ -496,7 +496,7 @@ int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, const u8 *addr)
return 0;
}

void __qlcnic_set_multi(struct net_device *netdev)
void __qlcnic_set_multi(struct net_device *netdev, u16 vlan)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct netdev_hw_addr *ha;
Expand All @@ -509,8 +509,8 @@ void __qlcnic_set_multi(struct net_device *netdev)
return;

if (!qlcnic_sriov_vf_check(adapter))
qlcnic_nic_add_mac(adapter, adapter->mac_addr);
qlcnic_nic_add_mac(adapter, bcast_addr);
qlcnic_nic_add_mac(adapter, adapter->mac_addr, vlan);
qlcnic_nic_add_mac(adapter, bcast_addr, vlan);

if (netdev->flags & IFF_PROMISC) {
if (!(adapter->flags & QLCNIC_PROMISC_DISABLED))
Expand All @@ -526,12 +526,12 @@ void __qlcnic_set_multi(struct net_device *netdev)

if (!netdev_mc_empty(netdev) && !qlcnic_sriov_vf_check(adapter)) {
netdev_for_each_mc_addr(ha, netdev) {
qlcnic_nic_add_mac(adapter, ha->addr);
qlcnic_nic_add_mac(adapter, ha->addr, vlan);
}
}

if (qlcnic_sriov_vf_check(adapter))
qlcnic_vf_add_mc_list(netdev);
qlcnic_vf_add_mc_list(netdev, vlan);

send_fw_cmd:
if (!qlcnic_sriov_vf_check(adapter)) {
Expand Down Expand Up @@ -570,7 +570,7 @@ void qlcnic_set_multi(struct net_device *netdev)
qlcnic_sriov_vf_schedule_multi(adapter->netdev);
return;
}
__qlcnic_set_multi(netdev);
__qlcnic_set_multi(netdev, 0);
}

int qlcnic_82xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
Expand All @@ -592,7 +592,7 @@ int qlcnic_82xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
(struct cmd_desc_type0 *)&req, 1);
}

void qlcnic_free_mac_list(struct qlcnic_adapter *adapter)
void qlcnic_82xx_free_mac_list(struct qlcnic_adapter *adapter)
{
struct qlcnic_mac_list_s *cur;
struct list_head *head = &adapter->mac_list;
Expand Down
8 changes: 4 additions & 4 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
Original file line number Diff line number Diff line change
Expand Up @@ -344,14 +344,14 @@ static int qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
flags = FLAGS_VLAN_OOB;
vlan_tci = vlan_tx_tag_get(skb);
}
if (unlikely(adapter->pvid)) {
if (unlikely(adapter->tx_pvid)) {
if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED))
return -EIO;
if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED))
goto set_flags;

flags = FLAGS_VLAN_OOB;
vlan_tci = adapter->pvid;
vlan_tci = adapter->tx_pvid;
}
set_flags:
qlcnic_set_tx_vlan_tci(first_desc, vlan_tci);
Expand Down Expand Up @@ -980,10 +980,10 @@ static inline int qlcnic_check_rx_tagging(struct qlcnic_adapter *adapter,
memmove(skb->data + VLAN_HLEN, eth_hdr, ETH_ALEN * 2);
skb_pull(skb, VLAN_HLEN);
}
if (!adapter->pvid)
if (!adapter->rx_pvid)
return 0;

if (*vlan_tag == adapter->pvid) {
if (*vlan_tag == adapter->rx_pvid) {
/* Outer vlan tag. Packet should follow non-vlan path */
*vlan_tag = 0xffff;
return 0;
Expand Down
41 changes: 36 additions & 5 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -290,7 +290,7 @@ static int qlcnic_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
return err;

if (is_unicast_ether_addr(addr))
err = qlcnic_nic_add_mac(adapter, addr);
err = qlcnic_nic_add_mac(adapter, addr, 0);
else if (is_multicast_ether_addr(addr))
err = dev_mc_add_excl(netdev, addr);
else
Expand Down Expand Up @@ -345,6 +345,7 @@ static const struct net_device_ops qlcnic_netdev_ops = {
.ndo_set_vf_mac = qlcnic_sriov_set_vf_mac,
.ndo_set_vf_tx_rate = qlcnic_sriov_set_vf_tx_rate,
.ndo_get_vf_config = qlcnic_sriov_get_vf_config,
.ndo_set_vf_vlan = qlcnic_sriov_set_vf_vlan,
#endif
};

Expand Down Expand Up @@ -404,6 +405,7 @@ static struct qlcnic_hardware_ops qlcnic_hw_ops = {
.config_promisc_mode = qlcnic_82xx_nic_set_promisc,
.change_l2_filter = qlcnic_82xx_change_filter,
.get_board_info = qlcnic_82xx_get_board_info,
.free_mac_list = qlcnic_82xx_free_mac_list,
};

int qlcnic_enable_msix(struct qlcnic_adapter *adapter, u32 num_msix)
Expand Down Expand Up @@ -900,16 +902,31 @@ void qlcnic_set_vlan_config(struct qlcnic_adapter *adapter,
else
adapter->flags |= QLCNIC_TAGGING_ENABLED;

if (esw_cfg->vlan_id)
adapter->pvid = esw_cfg->vlan_id;
else
adapter->pvid = 0;
if (esw_cfg->vlan_id) {
adapter->rx_pvid = esw_cfg->vlan_id;
adapter->tx_pvid = esw_cfg->vlan_id;
} else {
adapter->rx_pvid = 0;
adapter->tx_pvid = 0;
}
}

static int
qlcnic_vlan_rx_add(struct net_device *netdev, __be16 proto, u16 vid)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int err;

if (qlcnic_sriov_vf_check(adapter)) {
err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 1);
if (err) {
netdev_err(netdev,
"Cannot add VLAN filter for VLAN id %d, err=%d",
vid, err);
return err;
}
}

set_bit(vid, adapter->vlans);
return 0;
}
Expand All @@ -918,6 +935,17 @@ static int
qlcnic_vlan_rx_del(struct net_device *netdev, __be16 proto, u16 vid)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int err;

if (qlcnic_sriov_vf_check(adapter)) {
err = qlcnic_sriov_cfg_vf_guest_vlan(adapter, vid, 0);
if (err) {
netdev_err(netdev,
"Cannot delete VLAN filter for VLAN id %d, err=%d",
vid, err);
return err;
}
}

qlcnic_restore_indev_addr(netdev, NETDEV_DOWN);
clear_bit(vid, adapter->vlans);
Expand Down Expand Up @@ -1736,6 +1764,9 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
if (qlcnic_vlan_tx_check(adapter))
netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX);

if (qlcnic_sriov_vf_check(adapter))
netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER;

if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO)
netdev->features |= NETIF_F_LRO;

Expand Down
18 changes: 18 additions & 0 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h
Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,8 @@ struct qlcnic_bc_hdr {
enum qlcnic_bc_commands {
QLCNIC_BC_CMD_CHANNEL_INIT = 0x0,
QLCNIC_BC_CMD_CHANNEL_TERM = 0x1,
QLCNIC_BC_CMD_GET_ACL = 0x2,
QLCNIC_BC_CMD_CFG_GUEST_VLAN = 0x3,
};

#define QLC_BC_CMD 1
Expand Down Expand Up @@ -95,6 +97,12 @@ enum qlcnic_vf_state {
QLC_BC_VF_SOFT_FLR,
};

enum qlcnic_vlan_mode {
QLC_NO_VLAN_MODE = 0,
QLC_PVID_MODE,
QLC_GUEST_VLAN_MODE,
};

struct qlcnic_resources {
u16 num_tx_mac_filters;
u16 num_rx_ucast_mac_filters;
Expand All @@ -118,6 +126,9 @@ struct qlcnic_vport {
u16 handle;
u16 max_tx_bw;
u16 min_tx_bw;
u8 vlan_mode;
u16 vlan;
u8 qos;
u8 mac[6];
};

Expand Down Expand Up @@ -156,6 +167,11 @@ struct qlcnic_back_channel {
struct qlcnic_sriov {
u16 vp_handle;
u8 num_vfs;
u8 any_vlan;
u8 vlan_mode;
u16 num_allowed_vlans;
u16 *allowed_vlans;
u16 vlan;
struct qlcnic_resources ff_max;
struct qlcnic_back_channel bc;
struct qlcnic_vf_info *vf_info;
Expand All @@ -177,6 +193,7 @@ int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *,
struct qlcnic_bc_trans *);
int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *,
struct qlcnic_info *, u16);
int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8);

static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter)
{
Expand Down Expand Up @@ -207,6 +224,7 @@ int qlcnic_sriov_set_vf_mac(struct net_device *, int, u8 *);
int qlcnic_sriov_set_vf_tx_rate(struct net_device *, int, int);
int qlcnic_sriov_get_vf_config(struct net_device *, int ,
struct ifla_vf_info *);
int qlcnic_sriov_set_vf_vlan(struct net_device *, int, u16, u8);
#else
static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {}
static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {}
Expand Down
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