leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

liquidio: Added delayed work for periodically updating the link statistics.

Browse Source 
Signed-off-by: Pradeep Nalla <pradeep.nalla@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pradeep Nalla 2018-08-31 17:44:07 -07:00 committed by David S. Miller
parent 132c5b452e
commit 35878618c9
6 changed files with 40 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/net/ethernet/cavium/liquidio/lio_core.c
View File

@ -1352,16 +1352,19 @@ octnet_nic_stats_callback(struct octeon_device *oct_dev,
resp->status = 1;
} else {
dev_err(&oct_dev->pci_dev->dev, "sc OPCODE_NIC_PORT_STATS command failed\n");
resp->status = -1;
}
}
int octnet_get_link_stats(struct net_device *netdev)
void lio_fetch_stats(struct work_struct *work)
{
struct lio *lio = GET_LIO(netdev);
struct cavium_wk *wk = (struct cavium_wk *)work;
struct lio *lio = wk->ctxptr;
struct octeon_device *oct_dev = lio->oct_dev;
struct octeon_soft_command *sc;
struct oct_nic_stats_resp *resp;
unsigned long time_in_jiffies;
int retval;
/* Alloc soft command */
@ -1371,8 +1374,10 @@ int octnet_get_link_stats(struct net_device *netdev)
sizeof(struct oct_nic_stats_resp),
0);
if (!sc)
return -ENOMEM;
if (!sc) {
dev_err(&oct_dev->pci_dev->dev, "Soft command allocation failed\n");
goto lio_fetch_stats_exit;
}
resp = (struct oct_nic_stats_resp *)sc->virtrptr;
memset(resp, 0, sizeof(struct oct_nic_stats_resp));
@ -1388,20 +1393,25 @@ int octnet_get_link_stats(struct net_device *netdev)
retval = octeon_send_soft_command(oct_dev, sc);
if (retval == IQ_SEND_FAILED) {
octeon_free_soft_command(oct_dev, sc);
return -EINVAL;
goto lio_fetch_stats_exit;
}
retval = wait_for_sc_completion_timeout(oct_dev, sc,
(2 * LIO_SC_MAX_TMO_MS));
if (retval) {
dev_err(&oct_dev->pci_dev->dev, "sc OPCODE_NIC_PORT_STATS command failed\n");
return retval;
goto lio_fetch_stats_exit;
}
octnet_nic_stats_callback(oct_dev, sc->sc_status, sc);
WRITE_ONCE(sc->caller_is_done, true);
return 0;
lio_fetch_stats_exit:
time_in_jiffies = msecs_to_jiffies(LIQUIDIO_NDEV_STATS_POLL_TIME_MS);
if (ifstate_check(lio, LIO_IFSTATE_RUNNING))
schedule_delayed_work(&lio->stats_wk.work, time_in_jiffies);
return;
}
int liquidio_set_speed(struct lio *lio, int speed)

9
drivers/net/ethernet/cavium/liquidio/lio_main.c
View File

@ -1841,6 +1841,12 @@ static int liquidio_open(struct net_device *netdev)
/* tell Octeon to start forwarding packets to host */
send_rx_ctrl_cmd(lio, 1);
/* start periodical statistics fetch */
INIT_DELAYED_WORK(&lio->stats_wk.work, lio_fetch_stats);
lio->stats_wk.ctxptr = lio;
schedule_delayed_work(&lio->stats_wk.work, msecs_to_jiffies
(LIQUIDIO_NDEV_STATS_POLL_TIME_MS));
dev_info(&oct->pci_dev->dev, "%s interface is opened\n",
netdev->name);
@ -1881,6 +1887,8 @@ static int liquidio_stop(struct net_device *netdev)
cleanup_tx_poll_fn(netdev);
}
cancel_delayed_work_sync(&lio->stats_wk.work);
if (lio->ptp_clock) {
ptp_clock_unregister(lio->ptp_clock);
lio->ptp_clock = NULL;
@ -2081,7 +2089,6 @@ liquidio_get_stats64(struct net_device *netdev,
lstats->rx_packets = pkts;
lstats->rx_dropped = drop;
octnet_get_link_stats(netdev);
lstats->multicast = oct->link_stats.fromwire.fw_total_mcast;
lstats->collisions = oct->link_stats.fromhost.total_collisions;

8
drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
View File

@ -917,6 +917,11 @@ static int liquidio_open(struct net_device *netdev)
netif_info(lio, ifup, lio->netdev, "Interface Open, ready for traffic\n");
start_txqs(netdev);
INIT_DELAYED_WORK(&lio->stats_wk.work, lio_fetch_stats);
lio->stats_wk.ctxptr = lio;
schedule_delayed_work(&lio->stats_wk.work, msecs_to_jiffies
(LIQUIDIO_NDEV_STATS_POLL_TIME_MS));
/* tell Octeon to start forwarding packets to host */
send_rx_ctrl_cmd(lio, 1);
@ -964,6 +969,8 @@ static int liquidio_stop(struct net_device *netdev)
oct->droq[0]->ops.poll_mode = 0;
}
cancel_delayed_work_sync(&lio->stats_wk.work);
dev_info(&oct->pci_dev->dev, "%s interface is stopped\n", netdev->name);
return 0;
@ -1181,7 +1188,6 @@ liquidio_get_stats64(struct net_device *netdev,
lstats->rx_packets = pkts;
lstats->rx_dropped = drop;
octnet_get_link_stats(netdev);
lstats->multicast = oct->link_stats.fromwire.fw_total_mcast;
/* detailed rx_errors: */

2
drivers/net/ethernet/cavium/liquidio/liquidio_common.h
View File

@ -250,6 +250,8 @@ static inline void add_sg_size(struct octeon_sg_entry *sg_entry,
#define OCTNET_CMD_VLAN_FILTER_ENABLE 0x1
#define OCTNET_CMD_VLAN_FILTER_DISABLE 0x0
#define OCTNET_CMD_FAIL 0x1
#define SEAPI_CMD_SPEED_SET 0x2
#define SEAPI_CMD_SPEED_GET 0x3

3
drivers/net/ethernet/cavium/liquidio/octeon_iq.h
View File

@ -378,6 +378,9 @@ int octeon_send_command(struct octeon_device *oct, u32 iq_no,
u32 force_db, void *cmd, void *buf,
u32 datasize, u32 reqtype);
void octeon_dump_soft_command(struct octeon_device *oct,
struct octeon_soft_command *sc);
void octeon_prepare_soft_command(struct octeon_device *oct,
struct octeon_soft_command *sc,
u8 opcode, u8 subcode,

4
drivers/net/ethernet/cavium/liquidio/octeon_network.h
View File

@ -42,6 +42,7 @@ struct liquidio_if_cfg_resp {
};
#define LIO_IFCFG_WAIT_TIME 3000 /* In milli seconds */
#define LIQUIDIO_NDEV_STATS_POLL_TIME_MS 200
/* Structure of a node in list of gather components maintained by
* NIC driver for each network device.
@ -175,6 +176,7 @@ struct lio {
struct cavium_wq sync_octeon_time_wq;
int netdev_uc_count;
struct cavium_wk stats_wk;
};
#define LIO_SIZE (sizeof(struct lio))
@ -213,7 +215,7 @@ irqreturn_t liquidio_msix_intr_handler(int irq __attribute__((unused)),
int octeon_setup_interrupt(struct octeon_device *oct, u32 num_ioqs);
int octnet_get_link_stats(struct net_device *netdev);
void lio_fetch_stats(struct work_struct *work);
int lio_wait_for_clean_oq(struct octeon_device *oct);
/**