/*
* Stop device.
*/
static void cxgbe_dev_close(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
int i, dev_down = 0;
CXGBE_FUNC_TRACE();
if (!(adapter->flags & FULL_INIT_DONE))
return;
cxgbe_down(pi);
/*
* We clear queues only if both tx and rx path of the port
* have been disabled
*/
t4_sge_eth_clear_queues(pi);
/* See if all ports are down */
for_each_port(adapter, i) {
pi = adap2pinfo(adapter, i);
/*
* Skip first port of the adapter since it will be closed
* by DPDK
*/
if (i == 0)
continue;
dev_down += (pi->eth_dev->data->dev_started == 0) ? 1 : 0;
}
int t3_vsc8211_fifo_depth(adapter_t *adap, unsigned int mtu, int port)
{
/* TX FIFO Depth set bits 9:7 to 100 (IEEE mode) */
unsigned int val = 4;
unsigned int currentregval;
unsigned int regval;
int err;
/* Retrieve the port info structure from adater_t */
struct port_info *portinfo = adap2pinfo(adap, port);
/* What phy is this */
struct cphy *phy = &portinfo->phy;
/* Read the current value of the PHY control Register */
err = mdio_read(phy, 0, VSC8211_PHY_CTRL, ¤tregval);
if (err)
return err;
/* IEEE mode supports up to 1518 bytes */
/* mtu does not contain the header + FCS (18 bytes) */
if (mtu > 1500)
/*
* If using a packet size > 1500 set TX FIFO Depth bits
* 9:7 to 011 (Jumbo packet mode)
*/
val = 3;
regval = V_VSC8211_TXFIFODEPTH(val) | V_VSC8211_RXFIFODEPTH(val) |
(currentregval & ~V_VSC8211_TXFIFODEPTH(M_VSC8211_TXFIFODEPTH) &
~V_VSC8211_RXFIFODEPTH(M_VSC8211_RXFIFODEPTH));
return mdio_write(phy, 0, VSC8211_PHY_CTRL, regval);
}
/**
* t4vf_port_init - initialize port hardware/software state
* @adapter: the adapter
* @pidx: the adapter port index
*/
int t4vf_port_init(struct adapter *adapter, int pidx)
{
struct port_info *pi = adap2pinfo(adapter, pidx);
struct fw_vi_cmd vi_cmd, vi_rpl;
struct fw_port_cmd port_cmd, port_rpl;
int v;
u32 word;
/*
* Execute a VI Read command to get our Virtual Interface information
* like MAC address, etc.
*/
memset(&vi_cmd, 0, sizeof(vi_cmd));
vi_cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_VI_CMD) |
FW_CMD_REQUEST |
FW_CMD_READ);
vi_cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(vi_cmd));
vi_cmd.type_viid = cpu_to_be16(FW_VI_CMD_VIID(pi->viid));
v = t4vf_wr_mbox(adapter, &vi_cmd, sizeof(vi_cmd), &vi_rpl);
if (v)
return v;
BUG_ON(pi->port_id != FW_VI_CMD_PORTID_GET(vi_rpl.portid_pkd));
pi->rss_size = FW_VI_CMD_RSSSIZE_GET(be16_to_cpu(vi_rpl.rsssize_pkd));
t4_os_set_hw_addr(adapter, pidx, vi_rpl.mac);
/*
* If we don't have read access to our port information, we're done
* now. Otherwise, execute a PORT Read command to get it ...
*/
if (!(adapter->params.vfres.r_caps & FW_CMD_CAP_PORT))
return 0;
memset(&port_cmd, 0, sizeof(port_cmd));
port_cmd.op_to_portid = cpu_to_be32(FW_CMD_OP(FW_PORT_CMD) |
FW_CMD_REQUEST |
FW_CMD_READ |
FW_PORT_CMD_PORTID(pi->port_id));
port_cmd.action_to_len16 =
cpu_to_be32(FW_PORT_CMD_ACTION(FW_PORT_ACTION_GET_PORT_INFO) |
FW_LEN16(port_cmd));
v = t4vf_wr_mbox(adapter, &port_cmd, sizeof(port_cmd), &port_rpl);
if (v)
return v;
v = 0;
word = be16_to_cpu(port_rpl.u.info.pcap);
if (word & FW_PORT_CAP_SPEED_100M)
v |= SUPPORTED_100baseT_Full;
if (word & FW_PORT_CAP_SPEED_1G)
v |= SUPPORTED_1000baseT_Full;
if (word & FW_PORT_CAP_SPEED_10G)
v |= SUPPORTED_10000baseT_Full;
if (word & FW_PORT_CAP_ANEG)
v |= SUPPORTED_Autoneg;
init_link_config(&pi->link_cfg, v);
return 0;
}
/**
* t4vf_handle_fw_rpl - process a firmware reply message
* @adapter: the adapter
* @rpl: start of the firmware message
*
* Processes a firmware message, such as link state change messages.
*/
int t4vf_handle_fw_rpl(struct adapter *adapter, const __be64 *rpl)
{
const struct fw_cmd_hdr *cmd_hdr = (const struct fw_cmd_hdr *)rpl;
u8 opcode = FW_CMD_OP_GET(be32_to_cpu(cmd_hdr->hi));
switch (opcode) {
case FW_PORT_CMD: {
/*
* Link/module state change message.
*/
const struct fw_port_cmd *port_cmd =
(const struct fw_port_cmd *)rpl;
u32 word;
int action, port_id, link_ok, speed, fc, pidx;
/*
* Extract various fields from port status change message.
*/
action = FW_PORT_CMD_ACTION_GET(
be32_to_cpu(port_cmd->action_to_len16));
if (action != FW_PORT_ACTION_GET_PORT_INFO) {
dev_err(adapter->pdev_dev,
"Unknown firmware PORT reply action %x\n",
action);
break;
}
port_id = FW_PORT_CMD_PORTID_GET(
be32_to_cpu(port_cmd->op_to_portid));
word = be32_to_cpu(port_cmd->u.info.lstatus_to_modtype);
link_ok = (word & FW_PORT_CMD_LSTATUS) != 0;
speed = 0;
fc = 0;
if (word & FW_PORT_CMD_RXPAUSE)
fc |= PAUSE_RX;
if (word & FW_PORT_CMD_TXPAUSE)
fc |= PAUSE_TX;
if (word & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M))
speed = SPEED_100;
else if (word & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G))
speed = SPEED_1000;
else if (word & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G))
speed = SPEED_10000;
/*
* Scan all of our "ports" (Virtual Interfaces) looking for
* those bound to the physical port which has changed. If
* our recorded state doesn't match the current state,
* signal that change to the OS code.
*/
for_each_port(adapter, pidx) {
struct port_info *pi = adap2pinfo(adapter, pidx);
struct link_config *lc;
if (pi->port_id != port_id)
continue;
lc = &pi->link_cfg;
if (link_ok != lc->link_ok || speed != lc->speed ||
fc != lc->fc) {
/* something changed */
lc->link_ok = link_ok;
lc->speed = speed;
lc->fc = fc;
t4vf_os_link_changed(adapter, pidx, link_ok);
}
}
break;
}
default:
dev_err(adapter->pdev_dev, "Unknown firmware reply %X\n",
opcode);
}
return 0;
}
/**
* t4vf_get_port_stats - collect "port" statistics
* @adapter: the adapter
* @pidx: the port index
* @s: the stats structure to fill
*
* Collect statistics for the "port"'s Virtual Interface.
*/
int t4vf_get_port_stats(struct adapter *adapter, int pidx,
struct t4vf_port_stats *s)
{
struct port_info *pi = adap2pinfo(adapter, pidx);
struct fw_vi_stats_vf fwstats;
unsigned int rem = VI_VF_NUM_STATS;
__be64 *fwsp = (__be64 *)&fwstats;
/*
* Grab the Virtual Interface statistics a chunk at a time via mailbox
* commands. We could use a Work Request and get all of them at once
* but that's an asynchronous interface which is awkward to use.
*/
while (rem) {
unsigned int ix = VI_VF_NUM_STATS - rem;
unsigned int nstats = min(6U, rem);
struct fw_vi_stats_cmd cmd, rpl;
size_t len = (offsetof(struct fw_vi_stats_cmd, u) +
sizeof(struct fw_vi_stats_ctl));
size_t len16 = DIV_ROUND_UP(len, 16);
int ret;
memset(&cmd, 0, sizeof(cmd));
cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_STATS_CMD) |
FW_VI_STATS_CMD_VIID(pi->viid) |
FW_CMD_REQUEST |
FW_CMD_READ);
cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16(len16));
cmd.u.ctl.nstats_ix =
cpu_to_be16(FW_VI_STATS_CMD_IX(ix) |
FW_VI_STATS_CMD_NSTATS(nstats));
ret = t4vf_wr_mbox_ns(adapter, &cmd, len, &rpl);
if (ret)
return ret;
memcpy(fwsp, &rpl.u.ctl.stat0, sizeof(__be64) * nstats);
rem -= nstats;
fwsp += nstats;
}
/*
* Translate firmware statistics into host native statistics.
*/
s->tx_bcast_bytes = be64_to_cpu(fwstats.tx_bcast_bytes);
s->tx_bcast_frames = be64_to_cpu(fwstats.tx_bcast_frames);
s->tx_mcast_bytes = be64_to_cpu(fwstats.tx_mcast_bytes);
s->tx_mcast_frames = be64_to_cpu(fwstats.tx_mcast_frames);
s->tx_ucast_bytes = be64_to_cpu(fwstats.tx_ucast_bytes);
s->tx_ucast_frames = be64_to_cpu(fwstats.tx_ucast_frames);
s->tx_drop_frames = be64_to_cpu(fwstats.tx_drop_frames);
s->tx_offload_bytes = be64_to_cpu(fwstats.tx_offload_bytes);
s->tx_offload_frames = be64_to_cpu(fwstats.tx_offload_frames);
s->rx_bcast_bytes = be64_to_cpu(fwstats.rx_bcast_bytes);
s->rx_bcast_frames = be64_to_cpu(fwstats.rx_bcast_frames);
s->rx_mcast_bytes = be64_to_cpu(fwstats.rx_mcast_bytes);
s->rx_mcast_frames = be64_to_cpu(fwstats.rx_mcast_frames);
s->rx_ucast_bytes = be64_to_cpu(fwstats.rx_ucast_bytes);
s->rx_ucast_frames = be64_to_cpu(fwstats.rx_ucast_frames);
s->rx_err_frames = be64_to_cpu(fwstats.rx_err_frames);
return 0;
}
static void cxgbe_dev_info_get(struct rte_eth_dev *eth_dev,
struct rte_eth_dev_info *device_info)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
int max_queues = adapter->sge.max_ethqsets / adapter->params.nports;
static const struct rte_eth_desc_lim cxgbe_desc_lim = {
.nb_max = CXGBE_MAX_RING_DESC_SIZE,
.nb_min = CXGBE_MIN_RING_DESC_SIZE,
.nb_align = 1,
};
device_info->min_rx_bufsize = CXGBE_MIN_RX_BUFSIZE;
device_info->max_rx_pktlen = CXGBE_MAX_RX_PKTLEN;
device_info->max_rx_queues = max_queues;
device_info->max_tx_queues = max_queues;
device_info->max_mac_addrs = 1;
/* XXX: For now we support one MAC/port */
device_info->max_vfs = adapter->params.arch.vfcount;
device_info->max_vmdq_pools = 0; /* XXX: For now no support for VMDQ */
device_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
DEV_RX_OFFLOAD_IPV4_CKSUM |
DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM;
device_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
DEV_TX_OFFLOAD_IPV4_CKSUM |
DEV_TX_OFFLOAD_UDP_CKSUM |
DEV_TX_OFFLOAD_TCP_CKSUM |
DEV_TX_OFFLOAD_TCP_TSO;
device_info->reta_size = pi->rss_size;
device_info->rx_desc_lim = cxgbe_desc_lim;
device_info->tx_desc_lim = cxgbe_desc_lim;
}
static void cxgbe_dev_promiscuous_enable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
1, -1, 1, -1, false);
}
static void cxgbe_dev_promiscuous_disable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
0, -1, 1, -1, false);
}
static void cxgbe_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
/* TODO: address filters ?? */
t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
-1, 1, 1, -1, false);
}
static void cxgbe_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
/* TODO: address filters ?? */
t4_set_rxmode(adapter, adapter->mbox, pi->viid, -1,
-1, 0, 1, -1, false);
}
static int cxgbe_dev_link_update(struct rte_eth_dev *eth_dev,
__rte_unused int wait_to_complete)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
struct sge *s = &adapter->sge;
struct rte_eth_link *old_link = ð_dev->data->dev_link;
unsigned int work_done, budget = 4;
cxgbe_poll(&s->fw_evtq, NULL, budget, &work_done);
if (old_link->link_status == pi->link_cfg.link_ok)
return -1; /* link not changed */
eth_dev->data->dev_link.link_status = pi->link_cfg.link_ok;
eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
eth_dev->data->dev_link.link_speed = pi->link_cfg.speed;
/* link has changed */
return 0;
}
static int cxgbe_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
struct rte_eth_dev_info dev_info;
int err;
uint16_t new_mtu = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
cxgbe_dev_info_get(eth_dev, &dev_info);
/* Must accommodate at least ETHER_MIN_MTU */
if ((new_mtu < ETHER_MIN_MTU) || (new_mtu > dev_info.max_rx_pktlen))
return -EINVAL;
/* set to jumbo mode if needed */
if (new_mtu > ETHER_MAX_LEN)
eth_dev->data->dev_conf.rxmode.jumbo_frame = 1;
else
eth_dev->data->dev_conf.rxmode.jumbo_frame = 0;
err = t4_set_rxmode(adapter, adapter->mbox, pi->viid, new_mtu, -1, -1,
-1, -1, true);
if (!err)
eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_mtu;
return err;
}
static int cxgbe_dev_tx_queue_start(struct rte_eth_dev *eth_dev,
uint16_t tx_queue_id);
static int cxgbe_dev_rx_queue_start(struct rte_eth_dev *eth_dev,
uint16_t tx_queue_id);
static void cxgbe_dev_tx_queue_release(void *q);
static void cxgbe_dev_rx_queue_release(void *q);
/*
* Stop device.
*/
static void cxgbe_dev_close(struct rte_eth_dev *eth_dev)
{
struct port_info *pi = (struct port_info *)(eth_dev->data->dev_private);
struct adapter *adapter = pi->adapter;
int i, dev_down = 0;
CXGBE_FUNC_TRACE();
if (!(adapter->flags & FULL_INIT_DONE))
return;
cxgbe_down(pi);
/*
* We clear queues only if both tx and rx path of the port
* have been disabled
*/
t4_sge_eth_clear_queues(pi);
/* See if all ports are down */
for_each_port(adapter, i) {
pi = adap2pinfo(adapter, i);
/*
* Skip first port of the adapter since it will be closed
* by DPDK
*/
if (i == 0)
continue;
dev_down += (pi->eth_dev->data->dev_started == 0) ? 1 : 0;
}
/* If rest of the ports are stopped, then free up resources */
if (dev_down == (adapter->params.nports - 1))
cxgbe_close(adapter);
}
