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liquidio: remove obsolete functions and data structures 

1. Remove unused functions and data structures.
2. Change the sending of the remaining soft commands to synchronous.

Signed-off-by: Weilin Chang <weilin.chang@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:
Felix Manlunas 2018-08-28 18:51:44 -07:00 committed by David S. Miller
parent edd572d72f
commit 64fecd3ec5
9 changed files with 177 additions and 491 deletions
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83
drivers/net/ethernet/cavium/liquidio/lio_core.c
View File

@ -31,38 +31,6 @@
#define OCTNIC_MAX_SG MAX_SKB_FRAGS
/**
* \brief Callback for getting interface configuration
* @param status status of request
* @param buf pointer to resp structure
*/
void lio_if_cfg_callback(struct octeon_device *oct,
u32 status __attribute__((unused)), void *buf)
{
struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
struct liquidio_if_cfg_context *ctx;
struct liquidio_if_cfg_resp *resp;
resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
ctx = (struct liquidio_if_cfg_context *)sc->ctxptr;
oct = lio_get_device(ctx->octeon_id);
if (resp->status)
dev_err(&oct->pci_dev->dev, "nic if cfg instruction failed. Status: %llx\n",
CVM_CAST64(resp->status));
WRITE_ONCE(ctx->cond, 1);
snprintf(oct->fw_info.liquidio_firmware_version, 32, "%s",
resp->cfg_info.liquidio_firmware_version);
/* This barrier is required to be sure that the response has been
* written fully before waking up the handler
*/
wmb();
wake_up_interruptible(&ctx->wc);
}
/**
* \brief Delete gather lists
* @param lio per-network private data
@ -1211,30 +1179,6 @@ int octeon_setup_interrupt(struct octeon_device *oct, u32 num_ioqs)
return 0;
}
static void liquidio_change_mtu_completion(struct octeon_device *oct,
u32 status, void *buf)
{
struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
struct liquidio_if_cfg_context *ctx;
ctx = (struct liquidio_if_cfg_context *)sc->ctxptr;
if (status) {
dev_err(&oct->pci_dev->dev, "MTU change failed. Status: %llx\n",
CVM_CAST64(status));
WRITE_ONCE(ctx->cond, LIO_CHANGE_MTU_FAIL);
} else {
WRITE_ONCE(ctx->cond, LIO_CHANGE_MTU_SUCCESS);
}
/* This barrier is required to be sure that the response has been
* written fully before waking up the handler
*/
wmb();
wake_up_interruptible(&ctx->wc);
}
/**
* \brief Net device change_mtu
* @param netdev network device
@ -1243,22 +1187,17 @@ int liquidio_change_mtu(struct net_device *netdev, int new_mtu)
{
struct lio *lio = GET_LIO(netdev);
struct octeon_device *oct = lio->oct_dev;
struct liquidio_if_cfg_context *ctx;
struct octeon_soft_command *sc;
union octnet_cmd *ncmd;
int ctx_size;
int ret = 0;
ctx_size = sizeof(struct liquidio_if_cfg_context);
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE, 16, ctx_size);
octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE, 16, 0);
ncmd = (union octnet_cmd *)sc->virtdptr;
ctx = (struct liquidio_if_cfg_context *)sc->ctxptr;
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(oct);
init_waitqueue_head(&ctx->wc);
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
ncmd->u64 = 0;
ncmd->s.cmd = OCTNET_CMD_CHANGE_MTU;
@ -1271,28 +1210,28 @@ int liquidio_change_mtu(struct net_device *netdev, int new_mtu)
octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
OPCODE_NIC_CMD, 0, 0, 0);
sc->callback = liquidio_change_mtu_completion;
sc->callback_arg = sc;
sc->wait_time = 100;
ret = octeon_send_soft_command(oct, sc);
if (ret == IQ_SEND_FAILED) {
netif_info(lio, rx_err, lio->netdev, "Failed to change MTU\n");
octeon_free_soft_command(oct, sc);
return -EINVAL;
}
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR ||
ctx->cond == LIO_CHANGE_MTU_FAIL) {
octeon_free_soft_command(oct, sc);
ret = wait_for_sc_completion_timeout(oct, sc, 0);
if (ret)
return ret;
if (sc->sc_status) {
WRITE_ONCE(sc->caller_is_done, true);
return -EINVAL;
}
netdev->mtu = new_mtu;
lio->mtu = new_mtu;
octeon_free_soft_command(oct, sc);
WRITE_ONCE(sc->caller_is_done, true);
return 0;
}

233
drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
View File

@ -33,25 +33,12 @@
static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs);
struct oct_intrmod_context {
int octeon_id;
wait_queue_head_t wc;
int cond;
int status;
};
struct oct_intrmod_resp {
u64 rh;
struct oct_intrmod_cfg intrmod;
u64 status;
};
struct oct_mdio_cmd_context {
int octeon_id;
wait_queue_head_t wc;
int cond;
};
struct oct_mdio_cmd_resp {
u64 rh;
struct oct_mdio_cmd resp;
@ -746,28 +733,6 @@ static int octnet_id_active(struct net_device *netdev, int val)
return 0;
}
/* Callback for when mdio command response arrives
*/
static void octnet_mdio_resp_callback(struct octeon_device *oct,
u32 status,
void *buf)
{
struct oct_mdio_cmd_context *mdio_cmd_ctx;
struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
mdio_cmd_ctx = (struct oct_mdio_cmd_context *)sc->ctxptr;
oct = lio_get_device(mdio_cmd_ctx->octeon_id);
if (status) {
dev_err(&oct->pci_dev->dev, "MIDO instruction failed. Status: %llx\n",
CVM_CAST64(status));
WRITE_ONCE(mdio_cmd_ctx->cond, -1);
} else {
WRITE_ONCE(mdio_cmd_ctx->cond, 1);
}
wake_up_interruptible(&mdio_cmd_ctx->wc);
}
/* This routine provides PHY access routines for
* mdio clause45 .
*/
@ -777,25 +742,20 @@ octnet_mdio45_access(struct lio *lio, int op, int loc, int *value)
struct octeon_device *oct_dev = lio->oct_dev;
struct octeon_soft_command *sc;
struct oct_mdio_cmd_resp *mdio_cmd_rsp;
struct oct_mdio_cmd_context *mdio_cmd_ctx;
struct oct_mdio_cmd *mdio_cmd;
int retval = 0;
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct_dev,
sizeof(struct oct_mdio_cmd),
sizeof(struct oct_mdio_cmd_resp),
sizeof(struct oct_mdio_cmd_context));
sizeof(struct oct_mdio_cmd_resp), 0);
if (!sc)
return -ENOMEM;
mdio_cmd_ctx = (struct oct_mdio_cmd_context *)sc->ctxptr;
mdio_cmd_rsp = (struct oct_mdio_cmd_resp *)sc->virtrptr;
mdio_cmd = (struct oct_mdio_cmd *)sc->virtdptr;
WRITE_ONCE(mdio_cmd_ctx->cond, 0);
mdio_cmd_ctx->octeon_id = lio_get_device_id(oct_dev);
mdio_cmd->op = op;
mdio_cmd->mdio_addr = loc;
if (op)
@ -807,42 +767,40 @@ octnet_mdio45_access(struct lio *lio, int op, int loc, int *value)
octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC, OPCODE_NIC_MDIO45,
0, 0, 0);
sc->wait_time = 1000;
sc->callback = octnet_mdio_resp_callback;
sc->callback_arg = sc;
init_waitqueue_head(&mdio_cmd_ctx->wc);
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
retval = octeon_send_soft_command(oct_dev, sc);
if (retval == IQ_SEND_FAILED) {
dev_err(&oct_dev->pci_dev->dev,
"octnet_mdio45_access instruction failed status: %x\n",
retval);
retval = -EBUSY;
octeon_free_soft_command(oct_dev, sc);
return -EBUSY;
} else {
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived
*/
sleep_cond(&mdio_cmd_ctx->wc, &mdio_cmd_ctx->cond);
retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
if (retval)
return retval;
retval = mdio_cmd_rsp->status;
if (retval) {
dev_err(&oct_dev->pci_dev->dev, "octnet mdio45 access failed\n");
retval = -EBUSY;
} else {
octeon_swap_8B_data((u64 *)(&mdio_cmd_rsp->resp),
sizeof(struct oct_mdio_cmd) / 8);
if (READ_ONCE(mdio_cmd_ctx->cond) == 1) {
if (!op)
*value = mdio_cmd_rsp->resp.value1;
} else {
retval = -EINVAL;
}
dev_err(&oct_dev->pci_dev->dev,
"octnet mdio45 access failed: %x\n", retval);
WRITE_ONCE(sc->caller_is_done, true);
return -EBUSY;
}
}
octeon_free_soft_command(oct_dev, sc);
octeon_swap_8B_data((u64 *)(&mdio_cmd_rsp->resp),
sizeof(struct oct_mdio_cmd) / 8);
if (!op)
*value = mdio_cmd_rsp->resp.value1;
WRITE_ONCE(sc->caller_is_done, true);
}
return retval;
}
@ -1006,8 +964,7 @@ lio_ethtool_get_ringparam(struct net_device *netdev,
static int lio_23xx_reconfigure_queue_count(struct lio *lio)
{
struct octeon_device *oct = lio->oct_dev;
struct liquidio_if_cfg_context *ctx;
u32 resp_size, ctx_size, data_size;
u32 resp_size, data_size;
struct liquidio_if_cfg_resp *resp;
struct octeon_soft_command *sc;
union oct_nic_if_cfg if_cfg;
@ -1017,11 +974,10 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
int j;
resp_size = sizeof(struct liquidio_if_cfg_resp);
ctx_size = sizeof(struct liquidio_if_cfg_context);
data_size = sizeof(struct lio_version);
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct, data_size,
resp_size, ctx_size);
resp_size, 0);
if (!sc) {
dev_err(&oct->pci_dev->dev, "%s: Failed to allocate soft command\n",
__func__);
@ -1029,7 +985,6 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
}
resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
ctx = (struct liquidio_if_cfg_context *)sc->ctxptr;
vdata = (struct lio_version *)sc->virtdptr;
vdata->major = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MAJOR_VERSION);
@ -1037,9 +992,6 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
vdata->micro = (__force u16)cpu_to_be16(LIQUIDIO_BASE_MICRO_VERSION);
ifidx_or_pfnum = oct->pf_num;
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(oct);
init_waitqueue_head(&ctx->wc);
if_cfg.u64 = 0;
if_cfg.s.num_iqueues = oct->sriov_info.num_pf_rings;
@ -1051,27 +1003,29 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
OPCODE_NIC_QCOUNT_UPDATE, 0,
if_cfg.u64, 0);
sc->callback = lio_if_cfg_callback;
sc->callback_arg = sc;
sc->wait_time = LIO_IFCFG_WAIT_TIME;
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
retval = octeon_send_soft_command(oct, sc);
if (retval == IQ_SEND_FAILED) {
dev_err(&oct->pci_dev->dev,
"iq/oq config failed status: %x\n",
"Sending iq/oq config failed status: %x\n",
retval);
goto qcount_update_fail;
octeon_free_soft_command(oct, sc);
return -EIO;
}
if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR) {
dev_err(&oct->pci_dev->dev, "Wait interrupted\n");
return -1;
}
retval = wait_for_sc_completion_timeout(oct, sc, 0);
if (retval)
return retval;
retval = resp->status;
if (retval) {
dev_err(&oct->pci_dev->dev, "iq/oq config failed\n");
goto qcount_update_fail;
dev_err(&oct->pci_dev->dev,
"iq/oq config failed: %x\n", retval);
WRITE_ONCE(sc->caller_is_done, true);
return -1;
}
octeon_swap_8B_data((u64 *)(&resp->cfg_info),
@ -1096,16 +1050,12 @@ static int lio_23xx_reconfigure_queue_count(struct lio *lio)
lio->txq = lio->linfo.txpciq[0].s.q_no;
lio->rxq = lio->linfo.rxpciq[0].s.q_no;
octeon_free_soft_command(oct, sc);
dev_info(&oct->pci_dev->dev, "Queue count updated to %d\n",
lio->linfo.num_rxpciq);
WRITE_ONCE(sc->caller_is_done, true);
return 0;
qcount_update_fail:
octeon_free_soft_command(oct, sc);
return -1;
}
static int lio_reset_queues(struct net_device *netdev, uint32_t num_qs)
@ -2012,34 +1962,11 @@ static int lio_vf_get_sset_count(struct net_device *netdev, int sset)
}
}
/* Callback function for intrmod */
static void octnet_intrmod_callback(struct octeon_device *oct_dev,
u32 status,
void *ptr)
{
struct octeon_soft_command *sc = (struct octeon_soft_command *)ptr;
struct oct_intrmod_context *ctx;
ctx = (struct oct_intrmod_context *)sc->ctxptr;
ctx->status = status;
WRITE_ONCE(ctx->cond, 1);
/* This barrier is required to be sure that the response has been
* written fully before waking up the handler
*/
wmb();
wake_up_interruptible(&ctx->wc);
}
/* get interrupt moderation parameters */
static int octnet_get_intrmod_cfg(struct lio *lio,
struct oct_intrmod_cfg *intr_cfg)
{
struct octeon_soft_command *sc;
struct oct_intrmod_context *ctx;
struct oct_intrmod_resp *resp;
int retval;
struct octeon_device *oct_dev = lio->oct_dev;
@ -2048,8 +1975,7 @@ static int octnet_get_intrmod_cfg(struct lio *lio,
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct_dev,
0,
sizeof(struct oct_intrmod_resp),
sizeof(struct oct_intrmod_context));
sizeof(struct oct_intrmod_resp), 0);
if (!sc)
return -ENOMEM;
@ -2057,20 +1983,13 @@ static int octnet_get_intrmod_cfg(struct lio *lio,
resp = (struct oct_intrmod_resp *)sc->virtrptr;
memset(resp, 0, sizeof(struct oct_intrmod_resp));
ctx = (struct oct_intrmod_context *)sc->ctxptr;
memset(ctx, 0, sizeof(struct oct_intrmod_context));
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(oct_dev);
init_waitqueue_head(&ctx->wc);
sc->iq_no = lio->linfo.txpciq[0].s.q_no;
octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
OPCODE_NIC_INTRMOD_PARAMS, 0, 0, 0);
sc->callback = octnet_intrmod_callback;
sc->callback_arg = sc;
sc->wait_time = 1000;
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
retval = octeon_send_soft_command(oct_dev, sc);
if (retval == IQ_SEND_FAILED) {
@ -2081,32 +2000,23 @@ static int octnet_get_intrmod_cfg(struct lio *lio,
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR) {
dev_err(&oct_dev->pci_dev->dev, "Wait interrupted\n");
goto intrmod_info_wait_intr;
}
retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
if (retval)
return -ENODEV;
retval = ctx->status || resp->status;
if (retval) {
if (resp->status) {
dev_err(&oct_dev->pci_dev->dev,
"Get interrupt moderation parameters failed\n");
goto intrmod_info_wait_fail;
WRITE_ONCE(sc->caller_is_done, true);
return -ENODEV;
}
octeon_swap_8B_data((u64 *)&resp->intrmod,
(sizeof(struct oct_intrmod_cfg)) / 8);
memcpy(intr_cfg, &resp->intrmod, sizeof(struct oct_intrmod_cfg));
octeon_free_soft_command(oct_dev, sc);
WRITE_ONCE(sc->caller_is_done, true);
return 0;
intrmod_info_wait_fail:
octeon_free_soft_command(oct_dev, sc);
intrmod_info_wait_intr:
return -ENODEV;
}
/* Configure interrupt moderation parameters */
@ -2114,7 +2024,6 @@ static int octnet_set_intrmod_cfg(struct lio *lio,
struct oct_intrmod_cfg *intr_cfg)
{
struct octeon_soft_command *sc;
struct oct_intrmod_context *ctx;
struct oct_intrmod_cfg *cfg;
int retval;
struct octeon_device *oct_dev = lio->oct_dev;
@ -2123,18 +2032,11 @@ static int octnet_set_intrmod_cfg(struct lio *lio,
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct_dev,
sizeof(struct oct_intrmod_cfg),
0,
sizeof(struct oct_intrmod_context));
16, 0);
if (!sc)
return -ENOMEM;
ctx = (struct oct_intrmod_context *)sc->ctxptr;
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(oct_dev);
init_waitqueue_head(&ctx->wc);
cfg = (struct oct_intrmod_cfg *)sc->virtdptr;
memcpy(cfg, intr_cfg, sizeof(struct oct_intrmod_cfg));
@ -2145,9 +2047,8 @@ static int octnet_set_intrmod_cfg(struct lio *lio,
octeon_prepare_soft_command(oct_dev, sc, OPCODE_NIC,
OPCODE_NIC_INTRMOD_CFG, 0, 0, 0);
sc->callback = octnet_intrmod_callback;
sc->callback_arg = sc;
sc->wait_time = 1000;
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
retval = octeon_send_soft_command(oct_dev, sc);
if (retval == IQ_SEND_FAILED) {
@ -2158,26 +2059,24 @@ static int octnet_set_intrmod_cfg(struct lio *lio,
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
if (sleep_cond(&ctx->wc, &ctx->cond) != -EINTR) {
retval = ctx->status;
if (retval)
dev_err(&oct_dev->pci_dev->dev,
"intrmod config failed. Status: %llx\n",
CVM_CAST64(retval));
else
dev_info(&oct_dev->pci_dev->dev,
"Rx-Adaptive Interrupt moderation %s\n",
(intr_cfg->rx_enable) ?
"enabled" : "disabled");
retval = wait_for_sc_completion_timeout(oct_dev, sc, 0);
if (retval)
return retval;
octeon_free_soft_command(oct_dev, sc);
return ((retval) ? -ENODEV : 0);
retval = sc->sc_status;
if (retval == 0) {
dev_info(&oct_dev->pci_dev->dev,
"Rx-Adaptive Interrupt moderation %s\n",
(intr_cfg->rx_enable) ?
"enabled" : "disabled");
WRITE_ONCE(sc->caller_is_done, true);
return 0;
}
dev_err(&oct_dev->pci_dev->dev, "iq/oq config failed\n");
return -EINTR;
dev_err(&oct_dev->pci_dev->dev,
"intrmod config failed. Status: %x\n", retval);
WRITE_ONCE(sc->caller_is_done, true);
return -ENODEV;
}
static int lio_get_intr_coalesce(struct net_device *netdev,

167
drivers/net/ethernet/cavium/liquidio/lio_main.c
View File

@ -99,14 +99,6 @@ struct lio_trusted_vf_ctx {
int status;
};
struct liquidio_rx_ctl_context {
int octeon_id;
wait_queue_head_t wc;
int cond;
};
struct oct_link_status_resp {
u64 rh;
struct oct_link_info link_info;
@ -641,26 +633,6 @@ static inline void update_link_status(struct net_device *netdev,
}
}
/**
* lio_sync_octeon_time_cb - callback that is invoked when soft command
* sent by lio_sync_octeon_time() has completed successfully or failed
*
* @oct - octeon device structure
* @status - indicates success or failure
* @buf - pointer to the command that was sent to firmware
**/
static void lio_sync_octeon_time_cb(struct octeon_device *oct,
u32 status, void *buf)
{
struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
if (status)
dev_err(&oct->pci_dev->dev,
"Failed to sync time to octeon; error=%d\n", status);
octeon_free_soft_command(oct, sc);
}
/**
* lio_sync_octeon_time - send latest localtime to octeon firmware so that
* firmware will correct it's time, in case there is a time skew
@ -677,7 +649,7 @@ static void lio_sync_octeon_time(struct work_struct *work)
struct lio_time *lt;
int ret;
sc = octeon_alloc_soft_command(oct, sizeof(struct lio_time), 0, 0);
sc = octeon_alloc_soft_command(oct, sizeof(struct lio_time), 16, 0);
if (!sc) {
dev_err(&oct->pci_dev->dev,
"Failed to sync time to octeon: soft command allocation failed\n");
@ -696,15 +668,16 @@ static void lio_sync_octeon_time(struct work_struct *work)
octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
OPCODE_NIC_SYNC_OCTEON_TIME, 0, 0, 0);
sc->callback = lio_sync_octeon_time_cb;
sc->callback_arg = sc;
sc->wait_time = 1000;
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
ret = octeon_send_soft_command(oct, sc);
if (ret == IQ_SEND_FAILED) {
dev_err(&oct->pci_dev->dev,
"Failed to sync time to octeon: failed to send soft command\n");
octeon_free_soft_command(oct, sc);
} else {
WRITE_ONCE(sc->caller_is_done, true);
}
queue_delayed_work(lio->sync_octeon_time_wq.wq,
@ -1202,34 +1175,6 @@ static void octeon_destroy_resources(struct octeon_device *oct)
tasklet_kill(&oct_priv->droq_tasklet);
}
/**
* \brief Callback for rx ctrl
* @param status status of request
* @param buf pointer to resp structure
*/
static void rx_ctl_callback(struct octeon_device *oct,
u32 status,
void *buf)
{
struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
struct liquidio_rx_ctl_context *ctx;
ctx = (struct liquidio_rx_ctl_context *)sc->ctxptr;
oct = lio_get_device(ctx->octeon_id);
if (status)
dev_err(&oct->pci_dev->dev, "rx ctl instruction failed. Status: %llx\n",
CVM_CAST64(status));
WRITE_ONCE(ctx->cond, 1);
/* This barrier is required to be sure that the response has been
* written fully before waking up the handler
*/
wmb();
wake_up_interruptible(&ctx->wc);
}
/**
* \brief Send Rx control command
* @param lio per-network private data
@ -1238,9 +1183,7 @@ static void rx_ctl_callback(struct octeon_device *oct,
static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
{
struct octeon_soft_command *sc;
struct liquidio_rx_ctl_context *ctx;
union octnet_cmd *ncmd;
int ctx_size = sizeof(struct liquidio_rx_ctl_context);
struct octeon_device *oct = (struct octeon_device *)lio->oct_dev;
int retval;
@ -1249,14 +1192,9 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE,
16, ctx_size);
16, 0);
ncmd = (union octnet_cmd *)sc->virtdptr;
ctx = (struct liquidio_rx_ctl_context *)sc->ctxptr;
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(oct);
init_waitqueue_head(&ctx->wc);
ncmd->u64 = 0;
ncmd->s.cmd = OCTNET_CMD_RX_CTL;
@ -1269,23 +1207,25 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
OPCODE_NIC_CMD, 0, 0, 0);
sc->callback = rx_ctl_callback;
sc->callback_arg = sc;
sc->wait_time = 5000;
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
retval = octeon_send_soft_command(oct, sc);
if (retval == IQ_SEND_FAILED) {
netif_info(lio, rx_err, lio->netdev, "Failed to send RX Control message\n");
octeon_free_soft_command(oct, sc);
return;
} else {
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR)
retval = wait_for_sc_completion_timeout(oct, sc, 0);
if (retval)
return;
oct->props[lio->ifidx].rx_on = start_stop;
}
octeon_free_soft_command(oct, sc);
oct->props[lio->ifidx].rx_on = start_stop;
WRITE_ONCE(sc->caller_is_done, true);
}
}
/**
@ -3336,7 +3276,6 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
unsigned long micro;
u32 cur_ver;
struct octeon_soft_command *sc;
struct liquidio_if_cfg_context *ctx;
struct liquidio_if_cfg_resp *resp;
struct octdev_props *props;
int retval, num_iqueues, num_oqueues;
@ -3344,7 +3283,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
union oct_nic_if_cfg if_cfg;
unsigned int base_queue;
unsigned int gmx_port_id;
u32 resp_size, ctx_size, data_size;
u32 resp_size, data_size;
u32 ifidx_or_pfnum;
struct lio_version *vdata;
struct devlink *devlink;
@ -3369,13 +3308,11 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
for (i = 0; i < octeon_dev->ifcount; i++) {
resp_size = sizeof(struct liquidio_if_cfg_resp);
ctx_size = sizeof(struct liquidio_if_cfg_context);
data_size = sizeof(struct lio_version);
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(octeon_dev, data_size,
resp_size, ctx_size);
resp_size, 0);
resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
ctx = (struct liquidio_if_cfg_context *)sc->ctxptr;
vdata = (struct lio_version *)sc->virtdptr;
*((u64 *)vdata) = 0;
@ -3405,9 +3342,6 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
dev_dbg(&octeon_dev->pci_dev->dev,
"requesting config for interface %d, iqs %d, oqs %d\n",
ifidx_or_pfnum, num_iqueues, num_oqueues);
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(octeon_dev);
init_waitqueue_head(&ctx->wc);
if_cfg.u64 = 0;
if_cfg.s.num_iqueues = num_iqueues;
@ -3421,9 +3355,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
OPCODE_NIC_IF_CFG, 0,
if_cfg.u64, 0);
sc->callback = lio_if_cfg_callback;
sc->callback_arg = sc;
sc->wait_time = LIO_IFCFG_WAIT_TIME;
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
retval = octeon_send_soft_command(octeon_dev, sc);
if (retval == IQ_SEND_FAILED) {
@ -3431,22 +3364,26 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
"iq/oq config failed status: %x\n",
retval);
/* Soft instr is freed by driver in case of failure. */
goto setup_nic_dev_fail;
octeon_free_soft_command(octeon_dev, sc);
return(-EIO);
}
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR) {
dev_err(&octeon_dev->pci_dev->dev, "Wait interrupted\n");
goto setup_nic_wait_intr;
}
retval = wait_for_sc_completion_timeout(octeon_dev, sc, 0);
if (retval)
return retval;
retval = resp->status;
if (retval) {
dev_err(&octeon_dev->pci_dev->dev, "iq/oq config failed\n");
goto setup_nic_dev_fail;
WRITE_ONCE(sc->caller_is_done, true);
goto setup_nic_dev_done;
}
snprintf(octeon_dev->fw_info.liquidio_firmware_version,
32, "%s",
resp->cfg_info.liquidio_firmware_version);
/* Verify f/w version (in case of 'auto' loading from flash) */
fw_ver = octeon_dev->fw_info.liquidio_firmware_version;
@ -3456,7 +3393,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
dev_err(&octeon_dev->pci_dev->dev,
"Unmatched firmware version. Expected %s.x, got %s.\n",
LIQUIDIO_BASE_VERSION, fw_ver);
goto setup_nic_dev_fail;
WRITE_ONCE(sc->caller_is_done, true);
goto setup_nic_dev_done;
} else if (atomic_read(octeon_dev->adapter_fw_state) ==
FW_IS_PRELOADED) {
dev_info(&octeon_dev->pci_dev->dev,
@ -3483,7 +3421,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
"Got bad iqueues (%016llx) or oqueues (%016llx) from firmware.\n",
resp->cfg_info.iqmask,
resp->cfg_info.oqmask);
goto setup_nic_dev_fail;
WRITE_ONCE(sc->caller_is_done, true);
goto setup_nic_dev_done;
}
if (OCTEON_CN6XXX(octeon_dev)) {
@ -3502,7 +3441,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
if (!netdev) {
dev_err(&octeon_dev->pci_dev->dev, "Device allocation failed\n");
goto setup_nic_dev_fail;
WRITE_ONCE(sc->caller_is_done, true);
goto setup_nic_dev_done;
}
SET_NETDEV_DEV(netdev, &octeon_dev->pci_dev->dev);
@ -3517,14 +3457,16 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
if (retval) {
dev_err(&octeon_dev->pci_dev->dev,
"setting real number rx failed\n");
goto setup_nic_dev_fail;
WRITE_ONCE(sc->caller_is_done, true);
goto setup_nic_dev_free;
}
retval = netif_set_real_num_tx_queues(netdev, num_iqueues);
if (retval) {
dev_err(&octeon_dev->pci_dev->dev,
"setting real number tx failed\n");
goto setup_nic_dev_fail;
WRITE_ONCE(sc->caller_is_done, true);
goto setup_nic_dev_free;
}
lio = GET_LIO(netdev);
@ -3551,6 +3493,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
lio->linfo.gmxport = resp->cfg_info.linfo.gmxport;
lio->linfo.link.u64 = resp->cfg_info.linfo.link.u64;
WRITE_ONCE(sc->caller_is_done, true);
lio->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
if (OCTEON_CN23XX_PF(octeon_dev) ||
@ -3617,7 +3561,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
dev_err(&octeon_dev->pci_dev->dev,
"Error setting VF%d MAC address\n",
j);
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
}
}
@ -3639,7 +3583,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
lio->linfo.num_txpciq,
lio->linfo.num_rxpciq)) {
dev_err(&octeon_dev->pci_dev->dev, "I/O queues creation failed\n");
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
}
ifstate_set(lio, LIO_IFSTATE_DROQ_OPS);
@ -3650,7 +3594,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
if (lio_setup_glists(octeon_dev, lio, num_iqueues)) {
dev_err(&octeon_dev->pci_dev->dev,
"Gather list allocation failed\n");
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
}
/* Register ethtool support */
@ -3672,20 +3616,20 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
OCTNET_CMD_VERBOSE_ENABLE, 0);
if (setup_link_status_change_wq(netdev))
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
if ((octeon_dev->fw_info.app_cap_flags &
LIQUIDIO_TIME_SYNC_CAP) &&
setup_sync_octeon_time_wq(netdev))
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
if (setup_rx_oom_poll_fn(netdev))
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
/* Register the network device with the OS */
if (register_netdev(netdev)) {
dev_err(&octeon_dev->pci_dev->dev, "Device registration failed\n");
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
}
dev_dbg(&octeon_dev->pci_dev->dev,
@ -3708,8 +3652,6 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
dev_dbg(&octeon_dev->pci_dev->dev,
"NIC ifidx:%d Setup successful\n", i);
octeon_free_soft_command(octeon_dev, sc);
if (octeon_dev->subsystem_id ==
OCTEON_CN2350_25GB_SUBSYS_ID ||
octeon_dev->subsystem_id ==
@ -3743,7 +3685,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
sizeof(struct lio_devlink_priv));
if (!devlink) {
dev_err(&octeon_dev->pci_dev->dev, "devlink alloc failed\n");
goto setup_nic_wait_intr;
goto setup_nic_dev_free;
}
lio_devlink = devlink_priv(devlink);
@ -3753,7 +3695,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
devlink_free(devlink);
dev_err(&octeon_dev->pci_dev->dev,
"devlink registration failed\n");
goto setup_nic_wait_intr;
goto setup_nic_dev_free;
}
octeon_dev->devlink = devlink;
@ -3761,17 +3703,16 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
return 0;
setup_nic_dev_fail:
octeon_free_soft_command(octeon_dev, sc);
setup_nic_wait_intr:
setup_nic_dev_free:
while (i--) {
dev_err(&octeon_dev->pci_dev->dev,
"NIC ifidx:%d Setup failed\n", i);
liquidio_destroy_nic_device(octeon_dev, i);
}
setup_nic_dev_done:
return -ENODEV;
}

124
drivers/net/ethernet/cavium/liquidio/lio_vf_main.c
View File

@ -40,14 +40,6 @@ MODULE_PARM_DESC(debug, "NETIF_MSG debug bits");
#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
struct liquidio_rx_ctl_context {
int octeon_id;
wait_queue_head_t wc;
int cond;
};
struct oct_timestamp_resp {
u64 rh;
u64 timestamp;
@ -597,33 +589,6 @@ static void octeon_destroy_resources(struct octeon_device *oct)
}
}
/**
* \brief Callback for rx ctrl
* @param status status of request
* @param buf pointer to resp structure
*/
static void rx_ctl_callback(struct octeon_device *oct,
u32 status, void *buf)
{
struct octeon_soft_command *sc = (struct octeon_soft_command *)buf;
struct liquidio_rx_ctl_context *ctx;
ctx = (struct liquidio_rx_ctl_context *)sc->ctxptr;
oct = lio_get_device(ctx->octeon_id);
if (status)
dev_err(&oct->pci_dev->dev, "rx ctl instruction failed. Status: %llx\n",
CVM_CAST64(status));
WRITE_ONCE(ctx->cond, 1);
/* This barrier is required to be sure that the response has been
* written fully before waking up the handler
*/
wmb();
wake_up_interruptible(&ctx->wc);
}
/**
* \brief Send Rx control command
* @param lio per-network private data
@ -632,8 +597,6 @@ static void rx_ctl_callback(struct octeon_device *oct,
static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
{
struct octeon_device *oct = (struct octeon_device *)lio->oct_dev;
int ctx_size = sizeof(struct liquidio_rx_ctl_context);
struct liquidio_rx_ctl_context *ctx;
struct octeon_soft_command *sc;
union octnet_cmd *ncmd;
int retval;
@ -643,14 +606,9 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct, OCTNET_CMD_SIZE,
16, ctx_size);
16, 0);
ncmd = (union octnet_cmd *)sc->virtdptr;
ctx = (struct liquidio_rx_ctl_context *)sc->ctxptr;
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(oct);
init_waitqueue_head(&ctx->wc);
ncmd->u64 = 0;
ncmd->s.cmd = OCTNET_CMD_RX_CTL;
@ -663,23 +621,24 @@ static void send_rx_ctrl_cmd(struct lio *lio, int start_stop)
octeon_prepare_soft_command(oct, sc, OPCODE_NIC,
OPCODE_NIC_CMD, 0, 0, 0);
sc->callback = rx_ctl_callback;
sc->callback_arg = sc;
sc->wait_time = 5000;
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
retval = octeon_send_soft_command(oct, sc);
if (retval == IQ_SEND_FAILED) {
netif_info(lio, rx_err, lio->netdev, "Failed to send RX Control message\n");
octeon_free_soft_command(oct, sc);
} else {
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR)
retval = wait_for_sc_completion_timeout(oct, sc, 0);
if (retval)
return;
oct->props[lio->ifidx].rx_on = start_stop;
}
octeon_free_soft_command(oct, sc);
oct->props[lio->ifidx].rx_on = start_stop;
WRITE_ONCE(sc->caller_is_done, true);
}
}
/**
@ -1938,8 +1897,7 @@ nic_info_err:
static int setup_nic_devices(struct octeon_device *octeon_dev)
{
int retval, num_iqueues, num_oqueues;
struct liquidio_if_cfg_context *ctx;
u32 resp_size, ctx_size, data_size;
u32 resp_size, data_size;
struct liquidio_if_cfg_resp *resp;
struct octeon_soft_command *sc;
union oct_nic_if_cfg if_cfg;
@ -1970,13 +1928,11 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
for (i = 0; i < octeon_dev->ifcount; i++) {
resp_size = sizeof(struct liquidio_if_cfg_resp);
ctx_size = sizeof(struct liquidio_if_cfg_context);
data_size = sizeof(struct lio_version);
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(octeon_dev, data_size,
resp_size, ctx_size);
resp_size, 0);
resp = (struct liquidio_if_cfg_resp *)sc->virtrptr;
ctx = (struct liquidio_if_cfg_context *)sc->ctxptr;
vdata = (struct lio_version *)sc->virtdptr;
*((u64 *)vdata) = 0;
@ -1984,10 +1940,6 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
vdata->minor = cpu_to_be16(LIQUIDIO_BASE_MINOR_VERSION);
vdata->micro = cpu_to_be16(LIQUIDIO_BASE_MICRO_VERSION);
WRITE_ONCE(ctx->cond, 0);
ctx->octeon_id = lio_get_device_id(octeon_dev);
init_waitqueue_head(&ctx->wc);
if_cfg.u64 = 0;
if_cfg.s.num_iqueues = octeon_dev->sriov_info.rings_per_vf;
@ -2000,32 +1952,37 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
OPCODE_NIC_IF_CFG, 0, if_cfg.u64,
0);
sc->callback = lio_if_cfg_callback;
sc->callback_arg = sc;
sc->wait_time = 5000;
init_completion(&sc->complete);
sc->sc_status = OCTEON_REQUEST_PENDING;
retval = octeon_send_soft_command(octeon_dev, sc);
if (retval == IQ_SEND_FAILED) {
dev_err(&octeon_dev->pci_dev->dev,
"iq/oq config failed status: %x\n", retval);
/* Soft instr is freed by driver in case of failure. */
goto setup_nic_dev_fail;
octeon_free_soft_command(octeon_dev, sc);
return(-EIO);
}
/* Sleep on a wait queue till the cond flag indicates that the
* response arrived or timed-out.
*/
if (sleep_cond(&ctx->wc, &ctx->cond) == -EINTR) {
dev_err(&octeon_dev->pci_dev->dev, "Wait interrupted\n");
goto setup_nic_wait_intr;
}
retval = wait_for_sc_completion_timeout(octeon_dev, sc, 0);
if (retval)
return retval;
retval = resp->status;
if (retval) {
dev_err(&octeon_dev->pci_dev->dev, "iq/oq config failed\n");
goto setup_nic_dev_fail;
dev_err(&octeon_dev->pci_dev->dev,
"iq/oq config failed, retval = %d\n", retval);
WRITE_ONCE(sc->caller_is_done, true);
return -EIO;
}
snprintf(octeon_dev->fw_info.liquidio_firmware_version,
32, "%s",
resp->cfg_info.liquidio_firmware_version);
octeon_swap_8B_data((u64 *)(&resp->cfg_info),
(sizeof(struct liquidio_if_cfg_info)) >> 3);
@ -2036,7 +1993,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
dev_err(&octeon_dev->pci_dev->dev,
"Got bad iqueues (%016llx) or oqueues (%016llx) from firmware.\n",
resp->cfg_info.iqmask, resp->cfg_info.oqmask);
goto setup_nic_dev_fail;
WRITE_ONCE(sc->caller_is_done, true);
goto setup_nic_dev_done;
}
dev_dbg(&octeon_dev->pci_dev->dev,
"interface %d, iqmask %016llx, oqmask %016llx, numiqueues %d, numoqueues %d\n",
@ -2047,7 +2005,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
if (!netdev) {
dev_err(&octeon_dev->pci_dev->dev, "Device allocation failed\n");
goto setup_nic_dev_fail;
WRITE_ONCE(sc->caller_is_done, true);
goto setup_nic_dev_done;
}
SET_NETDEV_DEV(netdev, &octeon_dev->pci_dev->dev);
@ -2123,6 +2082,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
netdev->min_mtu = LIO_MIN_MTU_SIZE;
netdev->max_mtu = LIO_MAX_MTU_SIZE;
WRITE_ONCE(sc->caller_is_done, true);
/* Point to the properties for octeon device to which this
* interface belongs.
*/
@ -2146,7 +2107,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
lio->linfo.num_txpciq,
lio->linfo.num_rxpciq)) {
dev_err(&octeon_dev->pci_dev->dev, "I/O queues creation failed\n");
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
}
ifstate_set(lio, LIO_IFSTATE_DROQ_OPS);
@ -2169,7 +2130,7 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
if (lio_setup_glists(octeon_dev, lio, num_iqueues)) {
dev_err(&octeon_dev->pci_dev->dev,
"Gather list allocation failed\n");
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
}
/* Register ethtool support */
@ -2184,15 +2145,15 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
OCTNIC_LROIPV4 | OCTNIC_LROIPV6);
if (setup_link_status_change_wq(netdev))
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
if (setup_rx_oom_poll_fn(netdev))
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
/* Register the network device with the OS */
if (register_netdev(netdev)) {
dev_err(&octeon_dev->pci_dev->dev, "Device registration failed\n");
goto setup_nic_dev_fail;
goto setup_nic_dev_free;
}
dev_dbg(&octeon_dev->pci_dev->dev,
@ -2215,24 +2176,21 @@ static int setup_nic_devices(struct octeon_device *octeon_dev)
dev_dbg(&octeon_dev->pci_dev->dev,
"NIC ifidx:%d Setup successful\n", i);
octeon_free_soft_command(octeon_dev, sc);
octeon_dev->no_speed_setting = 1;
}
return 0;
setup_nic_dev_fail:
octeon_free_soft_command(octeon_dev, sc);
setup_nic_wait_intr:
setup_nic_dev_free:
while (i--) {
dev_err(&octeon_dev->pci_dev->dev,
"NIC ifidx:%d Setup failed\n", i);
liquidio_destroy_nic_device(octeon_dev, i);
}
setup_nic_dev_done:
return -ENODEV;
}

5
drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c
View File

@ -386,7 +386,7 @@ lio_vf_rep_pkt_xmit(struct sk_buff *skb, struct net_device *ndev)
}
sc = (struct octeon_soft_command *)
octeon_alloc_soft_command(oct, 0, 0, 0);
octeon_alloc_soft_command(oct, 0, 16, 0);
if (!sc) {
dev_err(&oct->pci_dev->dev, "VF rep: Soft command alloc failed\n");
goto xmit_failed;
@ -395,6 +395,7 @@ lio_vf_rep_pkt_xmit(struct sk_buff *skb, struct net_device *ndev)
/* Multiple buffers are not used for vf_rep packets. */
if (skb_shinfo(skb)->nr_frags != 0) {
dev_err(&oct->pci_dev->dev, "VF rep: nr_frags != 0. Dropping packet\n");
octeon_free_soft_command(oct, sc);
goto xmit_failed;
}
@ -402,6 +403,7 @@ lio_vf_rep_pkt_xmit(struct sk_buff *skb, struct net_device *ndev)
skb->data, skb->len, DMA_TO_DEVICE);
if (dma_mapping_error(&oct->pci_dev->dev, sc->dmadptr)) {
dev_err(&oct->pci_dev->dev, "VF rep: DMA mapping failed\n");
octeon_free_soft_command(oct, sc);
goto xmit_failed;
}
@ -422,6 +424,7 @@ lio_vf_rep_pkt_xmit(struct sk_buff *skb, struct net_device *ndev)
if (status == IQ_SEND_FAILED) {
dma_unmap_single(&oct->pci_dev->dev, sc->dmadptr,
sc->datasize, DMA_TO_DEVICE);
octeon_free_soft_command(oct, sc);
goto xmit_failed;
}

1
drivers/net/ethernet/cavium/liquidio/octeon_config.h
View File

@ -438,6 +438,7 @@ struct octeon_config {
#define MAX_BAR1_IOREMAP_SIZE (16 * OCTEON_BAR1_ENTRY_SIZE)
/* Response lists - 1 ordered, 1 unordered-blocking, 1 unordered-nonblocking
* 1 process done list, 1 zombie lists(timeouted sc list)
* NoResponse Lists are now maintained with each IQ. (Dec' 2007).
*/
#define MAX_RESPONSE_LISTS 6

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

@ -292,10 +292,7 @@ struct octeon_soft_command {
u32 ctxsize;
/** Time out and callback */
size_t wait_time;
size_t timeout;
size_t expiry_time;
u32 iq_no;
void (*callback)(struct octeon_device *, u32, void *);
void *callback_arg;

42
drivers/net/ethernet/cavium/liquidio/octeon_main.h
View File

@ -146,48 +146,6 @@ err_release_region:
return 1;
}
static inline int
sleep_cond(wait_queue_head_t *wait_queue, int *condition)
{
int errno = 0;
wait_queue_entry_t we;
init_waitqueue_entry(&we, current);
add_wait_queue(wait_queue, &we);
while (!(READ_ONCE(*condition))) {
set_current_state(TASK_INTERRUPTIBLE);
if (signal_pending(current)) {
errno = -EINTR;
goto out;
}
schedule();
}
out:
set_current_state(TASK_RUNNING);
remove_wait_queue(wait_queue, &we);
return errno;
}
/* Gives up the CPU for a timeout period.
* Check that the condition is not true before we go to sleep for a
* timeout period.
*/
static inline void
sleep_timeout_cond(wait_queue_head_t *wait_queue,
int *condition,
int timeout)
{
wait_queue_entry_t we;
init_waitqueue_entry(&we, current);
add_wait_queue(wait_queue, &we);
set_current_state(TASK_INTERRUPTIBLE);
if (!(*condition))
schedule_timeout(timeout);
set_current_state(TASK_RUNNING);
remove_wait_queue(wait_queue, &we);
}
/* input parameter:
* sc: pointer to a soft request
* timeout: milli sec which an application wants to wait for the

10
drivers/net/ethernet/cavium/liquidio/octeon_network.h
View File

@ -35,12 +35,6 @@
#define LIO_IFSTATE_RX_TIMESTAMP_ENABLED 0x08
#define LIO_IFSTATE_RESETTING 0x10
struct liquidio_if_cfg_context {
u32 octeon_id;
wait_queue_head_t wc;
int cond;
};
struct liquidio_if_cfg_resp {
u64 rh;
struct liquidio_if_cfg_info cfg_info;
@ -228,10 +222,6 @@ int lio_wait_for_clean_oq(struct octeon_device *oct);
*/
void liquidio_set_ethtool_ops(struct net_device *netdev);
void lio_if_cfg_callback(struct octeon_device *oct,
u32 status __attribute__((unused)),
void *buf);
void lio_delete_glists(struct lio *lio);
int lio_setup_glists(struct octeon_device *oct, struct lio *lio, int num_qs);