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qlcnic: 83xx data path routines
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Add 83xx adapter data path routines
Update few 82xx adapter data path routines
Modify datapath resource allocation routines

Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com>
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sony Chacko authored and David S. Miller committed Jan 2, 2013
1 parent 7f96645 commit 4be41e9
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Showing 7 changed files with 676 additions and 133 deletions.
13 changes: 11 additions & 2 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
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Original file line number Diff line number Diff line change
Expand Up @@ -431,6 +431,7 @@ struct qlcnic_adapter_stats {
u64 rx_dma_map_error;
u64 tx_dma_map_error;
u64 spurious_intr;
u64 mac_filter_limit_overrun;
};

/*
Expand Down Expand Up @@ -469,6 +470,7 @@ struct qlcnic_host_sds_ring {
} ____cacheline_internodealigned_in_smp;

struct qlcnic_host_tx_ring {
int irq;
void __iomem *crb_intr_mask;
char name[IFNAMSIZ+4];
u16 ctx_id;
Expand All @@ -477,6 +479,8 @@ struct qlcnic_host_tx_ring {
u32 num_desc;
void __iomem *crb_cmd_producer;
struct cmd_desc_type0 *desc_head;
struct qlcnic_adapter *adapter;
struct napi_struct napi;
struct qlcnic_cmd_buffer *cmd_buf_arr;
__le32 *hw_consumer;

Expand Down Expand Up @@ -1402,7 +1406,7 @@ void qlcnic_release_tx_buffers(struct qlcnic_adapter *adapter);
int qlcnic_check_fw_status(struct qlcnic_adapter *adapter);
void qlcnic_watchdog_task(struct work_struct *work);
void qlcnic_post_rx_buffers(struct qlcnic_adapter *adapter,
struct qlcnic_host_rds_ring *rds_ring);
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_free_mac_list(struct qlcnic_adapter *adapter);
Expand Down Expand Up @@ -1443,7 +1447,6 @@ int qlcnic_clear_esw_stats(struct qlcnic_adapter *adapter, u8, u8, u8);
int qlcnic_get_mac_stats(struct qlcnic_adapter *, struct qlcnic_mac_statistics *);

void qlcnic_free_mbx_args(struct qlcnic_cmd_args *cmd);
void qlcnic_napi_del(struct qlcnic_adapter *);

int qlcnic_alloc_sds_rings(struct qlcnic_recv_context *, int);
void qlcnic_free_sds_rings(struct qlcnic_recv_context *);
Expand Down Expand Up @@ -1495,6 +1498,7 @@ struct qlcnic_nic_template {
void (*request_reset) (struct qlcnic_adapter *, u32);
void (*cancel_idc_work) (struct qlcnic_adapter *);
int (*napi_add)(struct qlcnic_adapter *, struct net_device *);
void (*napi_del)(struct qlcnic_adapter *);
void (*config_ipaddr)(struct qlcnic_adapter *, __be32, int);
irqreturn_t (*clear_legacy_intr)(struct qlcnic_adapter *);
};
Expand Down Expand Up @@ -1670,6 +1674,11 @@ static inline int qlcnic_napi_add(struct qlcnic_adapter *adapter,
return adapter->nic_ops->napi_add(adapter, netdev);
}

static inline void qlcnic_napi_del(struct qlcnic_adapter *adapter)
{
adapter->nic_ops->napi_del(adapter);
}

static inline void qlcnic_napi_enable(struct qlcnic_adapter *adapter)
{
adapter->ahw->hw_ops->napi_enable(adapter);
Expand Down
5 changes: 5 additions & 0 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
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Original file line number Diff line number Diff line change
Expand Up @@ -242,13 +242,16 @@ static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = {
.get_func_no = qlcnic_83xx_get_func_no,
.api_lock = qlcnic_83xx_cam_lock,
.api_unlock = qlcnic_83xx_cam_unlock,
.process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag,
.create_rx_ctx = qlcnic_83xx_create_rx_ctx,
.create_tx_ctx = qlcnic_83xx_create_tx_ctx,
.setup_link_event = qlcnic_83xx_setup_link_event,
.get_nic_info = qlcnic_83xx_get_nic_info,
.get_pci_info = qlcnic_83xx_get_pci_info,
.set_nic_info = qlcnic_83xx_set_nic_info,
.change_macvlan = qlcnic_83xx_sre_macaddr_change,
.napi_enable = qlcnic_83xx_napi_enable,
.napi_disable = qlcnic_83xx_napi_disable,
.config_intr_coal = qlcnic_83xx_config_intr_coal,
.config_rss = qlcnic_83xx_config_rss,
.config_hw_lro = qlcnic_83xx_config_hw_lro,
Expand All @@ -262,6 +265,8 @@ static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = {
static struct qlcnic_nic_template qlcnic_83xx_ops = {
.config_bridged_mode = qlcnic_config_bridged_mode,
.config_led = qlcnic_config_led,
.napi_add = qlcnic_83xx_napi_add,
.napi_del = qlcnic_83xx_napi_del,
.config_ipaddr = qlcnic_83xx_config_ipaddr,
.clear_legacy_intr = qlcnic_83xx_clear_legacy_intr,
};
Expand Down
8 changes: 6 additions & 2 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
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Original file line number Diff line number Diff line change
Expand Up @@ -193,8 +193,7 @@ void qlcnic_83xx_write_crb(struct qlcnic_adapter *, char *, loff_t, size_t);
void qlcnic_83xx_read_crb(struct qlcnic_adapter *, char *, loff_t, size_t);
int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *, ulong);
int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *, ulong, u32);
void qlcnic_83xx_process_rcv_diag(struct qlcnic_adapter *,
struct qlcnic_host_sds_ring *, int, u64 []);
void qlcnic_83xx_process_rcv_diag(struct qlcnic_adapter *, int, u64 []);
int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *, u32);
int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *, u8);
int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *, u8);
Expand All @@ -206,6 +205,11 @@ int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *, struct qlcnic_pci_info *);
int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *, struct qlcnic_info *);
void qlcnic_83xx_register_nic_idc_func(struct qlcnic_adapter *, int);

int qlcnic_83xx_napi_add(struct qlcnic_adapter *, struct net_device *);
void qlcnic_83xx_napi_del(struct qlcnic_adapter *);
void qlcnic_83xx_napi_enable(struct qlcnic_adapter *);
void qlcnic_83xx_napi_disable(struct qlcnic_adapter *);

void qlcnic_ind_wr(struct qlcnic_adapter *, u32, u32);
int qlcnic_ind_rd(struct qlcnic_adapter *, u32);
void qlcnic_83xx_get_stats(struct qlcnic_adapter *,
Expand Down
71 changes: 40 additions & 31 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -498,36 +498,42 @@ qlcnic_fw_cmd_set_port(struct qlcnic_adapter *adapter, u32 config)
int qlcnic_alloc_hw_resources(struct qlcnic_adapter *adapter)
{
void *addr;
int err;
int ring;
int err, ring;
struct qlcnic_recv_context *recv_ctx;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
__le32 *ptr;

struct pci_dev *pdev = adapter->pdev;

recv_ctx = adapter->recv_ctx;
tx_ring = adapter->tx_ring;

tx_ring->hw_consumer = (__le32 *) dma_alloc_coherent(&pdev->dev,
sizeof(u32), &tx_ring->hw_cons_phys_addr, GFP_KERNEL);
if (tx_ring->hw_consumer == NULL) {
dev_err(&pdev->dev, "failed to allocate tx consumer\n");
return -ENOMEM;
}
for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
ptr = (__le32 *)dma_alloc_coherent(&pdev->dev, sizeof(u32),
&tx_ring->hw_cons_phys_addr,
GFP_KERNEL);

/* cmd desc ring */
addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
&tx_ring->phys_addr, GFP_KERNEL);
if (ptr == NULL) {
dev_err(&pdev->dev, "failed to allocate tx consumer\n");
return -ENOMEM;
}
tx_ring->hw_consumer = ptr;
/* cmd desc ring */
addr = dma_alloc_coherent(&pdev->dev, TX_DESC_RINGSIZE(tx_ring),
&tx_ring->phys_addr,
GFP_KERNEL);

if (addr == NULL) {
dev_err(&pdev->dev, "failed to allocate tx desc ring\n");
err = -ENOMEM;
goto err_out_free;
}
if (addr == NULL) {
dev_err(&pdev->dev,
"failed to allocate tx desc ring\n");
err = -ENOMEM;
goto err_out_free;
}

tx_ring->desc_head = addr;
tx_ring->desc_head = addr;
}

for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
Expand Down Expand Up @@ -624,20 +630,23 @@ void qlcnic_free_hw_resources(struct qlcnic_adapter *adapter)

recv_ctx = adapter->recv_ctx;

tx_ring = adapter->tx_ring;
if (tx_ring->hw_consumer != NULL) {
dma_free_coherent(&adapter->pdev->dev,
sizeof(u32),
tx_ring->hw_consumer,
tx_ring->hw_cons_phys_addr);
tx_ring->hw_consumer = NULL;
}
for (ring = 0; ring < adapter->max_drv_tx_rings; ring++) {
tx_ring = &adapter->tx_ring[ring];
if (tx_ring->hw_consumer != NULL) {
dma_free_coherent(&adapter->pdev->dev, sizeof(u32),
tx_ring->hw_consumer,
tx_ring->hw_cons_phys_addr);

if (tx_ring->desc_head != NULL) {
dma_free_coherent(&adapter->pdev->dev,
TX_DESC_RINGSIZE(tx_ring),
tx_ring->desc_head, tx_ring->phys_addr);
tx_ring->desc_head = NULL;
tx_ring->hw_consumer = NULL;
}

if (tx_ring->desc_head != NULL) {
dma_free_coherent(&adapter->pdev->dev,
TX_DESC_RINGSIZE(tx_ring),
tx_ring->desc_head,
tx_ring->phys_addr);
tx_ring->desc_head = NULL;
}
}

for (ring = 0; ring < adapter->max_rds_rings; ring++) {
Expand Down
38 changes: 4 additions & 34 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -163,62 +163,31 @@ void qlcnic_free_sw_resources(struct qlcnic_adapter *adapter)
{
struct qlcnic_recv_context *recv_ctx;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_tx_ring *tx_ring;
int ring;

recv_ctx = adapter->recv_ctx;

if (recv_ctx->rds_rings == NULL)
goto skip_rds;
return;

for (ring = 0; ring < adapter->max_rds_rings; ring++) {
rds_ring = &recv_ctx->rds_rings[ring];
vfree(rds_ring->rx_buf_arr);
rds_ring->rx_buf_arr = NULL;
}
kfree(recv_ctx->rds_rings);

skip_rds:
if (adapter->tx_ring == NULL)
return;

tx_ring = adapter->tx_ring;
vfree(tx_ring->cmd_buf_arr);
tx_ring->cmd_buf_arr = NULL;
kfree(adapter->tx_ring);
adapter->tx_ring = NULL;
}

int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
{
struct qlcnic_recv_context *recv_ctx;
struct qlcnic_host_rds_ring *rds_ring;
struct qlcnic_host_sds_ring *sds_ring;
struct qlcnic_host_tx_ring *tx_ring;
struct qlcnic_rx_buffer *rx_buf;
int ring, i, size;

struct qlcnic_cmd_buffer *cmd_buf_arr;
struct net_device *netdev = adapter->netdev;

size = sizeof(struct qlcnic_host_tx_ring);
tx_ring = kzalloc(size, GFP_KERNEL);
if (tx_ring == NULL) {
dev_err(&netdev->dev, "failed to allocate tx ring struct\n");
return -ENOMEM;
}
adapter->tx_ring = tx_ring;

tx_ring->num_desc = adapter->num_txd;
tx_ring->txq = netdev_get_tx_queue(netdev, 0);

cmd_buf_arr = vzalloc(TX_BUFF_RINGSIZE(tx_ring));
if (cmd_buf_arr == NULL) {
dev_err(&netdev->dev, "failed to allocate cmd buffer ring\n");
goto err_out;
}
tx_ring->cmd_buf_arr = cmd_buf_arr;

recv_ctx = adapter->recv_ctx;

size = adapter->max_rds_rings * sizeof(struct qlcnic_host_rds_ring);
Expand Down Expand Up @@ -253,10 +222,11 @@ int qlcnic_alloc_sw_resources(struct qlcnic_adapter *adapter)
}
rds_ring->rx_buf_arr = vzalloc(RCV_BUFF_RINGSIZE(rds_ring));
if (rds_ring->rx_buf_arr == NULL) {
dev_err(&netdev->dev, "Failed to allocate "
"rx buffer ring %d\n", ring);
dev_err(&netdev->dev,
"Failed to allocate rx buffer ring %d\n", ring);
goto err_out;
}

INIT_LIST_HEAD(&rds_ring->free_list);
/*
* Now go through all of them, set reference handles
Expand Down
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