A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-28 02:32:09 -04:00
Code Issues Projects Releases Packages Wiki Activity

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

Browse source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (43 commits)
  via-velocity: Fix velocity driver unmapping incorrect size.
  mlx4_en: Remove redundant refill code on RX
  mlx4_en: Removed redundant check on lso header size
  mlx4_en: Cancel port_up check in transmit function
  mlx4_en: using stop/start_all_queues
  mlx4_en: Removed redundant skb->len check
  mlx4_en: Counting all the dropped packets on the TX side
  usbnet cdc_subset: fix issues talking to PXA gadgets
  Net: qla3xxx, remove sleeping in atomic
  ipv4: fix NULL pointer + success return in route lookup path
  isdn: clean up documentation index
  cfg80211: validate station settings
  cfg80211: allow setting station parameters in mesh
  cfg80211: allow adding/deleting stations on mesh
  ath5k: fix beacon_int handling
  MAINTAINERS: Fix Atheros pattern paths
  ath9k: restore PS mode, before we put the chip into FULL SLEEP state.
  ath9k: wait for beacon frame along with CAB
  acer-wmi: fix rfkill conversion
  ath5k: avoid PCI FATAL interrupts by restoring RETRY_TIMEOUT disabling
  ...
This commit is contained in:
Linus Torvalds 2009-06-22 11:57:09 -07:00
commit 5165aece0e
40 changed files with 1210 additions and 633 deletions
Download patch file Download diff file Expand all files Collapse all files

102
drivers/net/benet/be.h
View file

@ -65,7 +65,7 @@ static inline char *nic_name(struct pci_dev *pdev)
#define TX_CQ_LEN 1024
#define RX_Q_LEN 1024 /* Does not support any other value */
#define RX_CQ_LEN 1024
#define MCC_Q_LEN 64 /* total size not to exceed 8 pages */
#define MCC_Q_LEN 128 /* total size not to exceed 8 pages */
#define MCC_CQ_LEN 256
#define BE_NAPI_WEIGHT 64
@ -91,6 +91,61 @@ struct be_queue_info {
atomic_t used; /* Number of valid elements in the queue */
};
static inline u32 MODULO(u16 val, u16 limit)
{
BUG_ON(limit & (limit - 1));
return val & (limit - 1);
}
static inline void index_adv(u16 *index, u16 val, u16 limit)
{
*index = MODULO((*index + val), limit);
}
static inline void index_inc(u16 *index, u16 limit)
{
*index = MODULO((*index + 1), limit);
}
static inline void *queue_head_node(struct be_queue_info *q)
{
return q->dma_mem.va + q->head * q->entry_size;
}
static inline void *queue_tail_node(struct be_queue_info *q)
{
return q->dma_mem.va + q->tail * q->entry_size;
}
static inline void queue_head_inc(struct be_queue_info *q)
{
index_inc(&q->head, q->len);
}
static inline void queue_tail_inc(struct be_queue_info *q)
{
index_inc(&q->tail, q->len);
}
struct be_eq_obj {
struct be_queue_info q;
char desc[32];
/* Adaptive interrupt coalescing (AIC) info */
bool enable_aic;
u16 min_eqd; /* in usecs */
u16 max_eqd; /* in usecs */
u16 cur_eqd; /* in usecs */
struct napi_struct napi;
};
struct be_mcc_obj {
struct be_queue_info q;
struct be_queue_info cq;
};
struct be_ctrl_info {
u8 __iomem *csr;
u8 __iomem *db; /* Door Bell */
@ -98,11 +153,20 @@ struct be_ctrl_info {
int pci_func;
/* Mbox used for cmd request/response */
spinlock_t cmd_lock; /* For serializing cmds to BE card */
spinlock_t mbox_lock; /* For serializing mbox cmds to BE card */
struct be_dma_mem mbox_mem;
/* Mbox mem is adjusted to align to 16 bytes. The allocated addr
* is stored for freeing purpose */
struct be_dma_mem mbox_mem_alloced;
/* MCC Rings */
struct be_mcc_obj mcc_obj;
spinlock_t mcc_lock; /* For serializing mcc cmds to BE card */
spinlock_t mcc_cq_lock;
/* MCC Async callback */
void (*async_cb)(void *adapter, bool link_up);
void *adapter_ctxt;
};
#include "be_cmds.h"
@ -150,19 +214,6 @@ struct be_stats_obj {
struct be_dma_mem cmd;
};
struct be_eq_obj {
struct be_queue_info q;
char desc[32];
/* Adaptive interrupt coalescing (AIC) info */
bool enable_aic;
u16 min_eqd; /* in usecs */
u16 max_eqd; /* in usecs */
u16 cur_eqd; /* in usecs */
struct napi_struct napi;
};
struct be_tx_obj {
struct be_queue_info q;
struct be_queue_info cq;
@ -225,8 +276,9 @@ struct be_adapter {
u32 if_handle; /* Used to configure filtering */
u32 pmac_id; /* MAC addr handle used by BE card */
struct be_link_info link;
bool link_up;
u32 port_num;
bool promiscuous;
};
extern struct ethtool_ops be_ethtool_ops;
@ -235,22 +287,6 @@ extern struct ethtool_ops be_ethtool_ops;
#define BE_SET_NETDEV_OPS(netdev, ops) (netdev->netdev_ops = ops)
static inline u32 MODULO(u16 val, u16 limit)
{
BUG_ON(limit & (limit - 1));
return val & (limit - 1);
}
static inline void index_adv(u16 *index, u16 val, u16 limit)
{
*index = MODULO((*index + val), limit);
}
static inline void index_inc(u16 *index, u16 limit)
{
*index = MODULO((*index + 1), limit);
}
#define PAGE_SHIFT_4K 12
#define PAGE_SIZE_4K (1 << PAGE_SHIFT_4K)
@ -339,4 +375,6 @@ static inline u8 is_udp_pkt(struct sk_buff *skb)
return val;
}
extern void be_cq_notify(struct be_ctrl_info *ctrl, u16 qid, bool arm,
u16 num_popped);
#endif /* BE_H */

368
drivers/net/benet/be_cmds.c
View file

@ -17,6 +17,133 @@
#include "be.h"
static void be_mcc_notify(struct be_ctrl_info *ctrl)
{
struct be_queue_info *mccq = &ctrl->mcc_obj.q;
u32 val = 0;
val |= mccq->id & DB_MCCQ_RING_ID_MASK;
val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
iowrite32(val, ctrl->db + DB_MCCQ_OFFSET);
}
/* To check if valid bit is set, check the entire word as we don't know
* the endianness of the data (old entry is host endian while a new entry is
* little endian) */
static inline bool be_mcc_compl_is_new(struct be_mcc_cq_entry *compl)
{
if (compl->flags != 0) {
compl->flags = le32_to_cpu(compl->flags);
BUG_ON((compl->flags & CQE_FLAGS_VALID_MASK) == 0);
return true;
} else {
return false;
}
}
/* Need to reset the entire word that houses the valid bit */
static inline void be_mcc_compl_use(struct be_mcc_cq_entry *compl)
{
compl->flags = 0;
}
static int be_mcc_compl_process(struct be_ctrl_info *ctrl,
struct be_mcc_cq_entry *compl)
{
u16 compl_status, extd_status;
/* Just swap the status to host endian; mcc tag is opaquely copied
* from mcc_wrb */
be_dws_le_to_cpu(compl, 4);
compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
CQE_STATUS_COMPL_MASK;
if (compl_status != MCC_STATUS_SUCCESS) {
extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
CQE_STATUS_EXTD_MASK;
printk(KERN_WARNING DRV_NAME
" error in cmd completion: status(compl/extd)=%d/%d\n",
compl_status, extd_status);
return -1;
}
return 0;
}
/* Link state evt is a string of bytes; no need for endian swapping */
static void be_async_link_state_process(struct be_ctrl_info *ctrl,
struct be_async_event_link_state *evt)
{
ctrl->async_cb(ctrl->adapter_ctxt,
evt->port_link_status == ASYNC_EVENT_LINK_UP ? true : false);
}
static inline bool is_link_state_evt(u32 trailer)
{
return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
ASYNC_TRAILER_EVENT_CODE_MASK) ==
ASYNC_EVENT_CODE_LINK_STATE);
}
static struct be_mcc_cq_entry *be_mcc_compl_get(struct be_ctrl_info *ctrl)
{
struct be_queue_info *mcc_cq = &ctrl->mcc_obj.cq;
struct be_mcc_cq_entry *compl = queue_tail_node(mcc_cq);
if (be_mcc_compl_is_new(compl)) {
queue_tail_inc(mcc_cq);
return compl;
}
return NULL;
}
void be_process_mcc(struct be_ctrl_info *ctrl)
{
struct be_mcc_cq_entry *compl;
int num = 0;
spin_lock_bh(&ctrl->mcc_cq_lock);
while ((compl = be_mcc_compl_get(ctrl))) {
if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
/* Interpret flags as an async trailer */
BUG_ON(!is_link_state_evt(compl->flags));
/* Interpret compl as a async link evt */
be_async_link_state_process(ctrl,
(struct be_async_event_link_state *) compl);
} else {
be_mcc_compl_process(ctrl, compl);
atomic_dec(&ctrl->mcc_obj.q.used);
}
be_mcc_compl_use(compl);
num++;
}
if (num)
be_cq_notify(ctrl, ctrl->mcc_obj.cq.id, true, num);
spin_unlock_bh(&ctrl->mcc_cq_lock);
}
/* Wait till no more pending mcc requests are present */
static void be_mcc_wait_compl(struct be_ctrl_info *ctrl)
{
#define mcc_timeout 50000 /* 5s timeout */
int i;
for (i = 0; i < mcc_timeout; i++) {
be_process_mcc(ctrl);
if (atomic_read(&ctrl->mcc_obj.q.used) == 0)
break;
udelay(100);
}
if (i == mcc_timeout)
printk(KERN_WARNING DRV_NAME "mcc poll timed out\n");
}
/* Notify MCC requests and wait for completion */
static void be_mcc_notify_wait(struct be_ctrl_info *ctrl)
{
be_mcc_notify(ctrl);
be_mcc_wait_compl(ctrl);
}
static int be_mbox_db_ready_wait(void __iomem *db)
{
int cnt = 0, wait = 5;
@ -44,11 +171,11 @@ static int be_mbox_db_ready_wait(void __iomem *db)
/*
* Insert the mailbox address into the doorbell in two steps
* Polls on the mbox doorbell till a command completion (or a timeout) occurs
*/
static int be_mbox_db_ring(struct be_ctrl_info *ctrl)
{
int status;
u16 compl_status, extd_status;
u32 val = 0;
void __iomem *db = ctrl->db + MPU_MAILBOX_DB_OFFSET;
struct be_dma_mem *mbox_mem = &ctrl->mbox_mem;
@ -79,24 +206,17 @@ static int be_mbox_db_ring(struct be_ctrl_info *ctrl)
if (status != 0)
return status;
/* compl entry has been made now */
be_dws_le_to_cpu(cqe, sizeof(*cqe));
if (!(cqe->flags & CQE_FLAGS_VALID_MASK)) {
printk(KERN_WARNING DRV_NAME ": ERROR invalid mbox compl\n");
/* A cq entry has been made now */
if (be_mcc_compl_is_new(cqe)) {
status = be_mcc_compl_process(ctrl, &mbox->cqe);
be_mcc_compl_use(cqe);
if (status)
return status;
} else {
printk(KERN_WARNING DRV_NAME "invalid mailbox completion\n");
return -1;
}
compl_status = (cqe->status >> CQE_STATUS_COMPL_SHIFT) &
CQE_STATUS_COMPL_MASK;
if (compl_status != MCC_STATUS_SUCCESS) {
extd_status = (cqe->status >> CQE_STATUS_EXTD_SHIFT) &
CQE_STATUS_EXTD_MASK;
printk(KERN_WARNING DRV_NAME
": ERROR in cmd compl. status(compl/extd)=%d/%d\n",
compl_status, extd_status);
}
return compl_status;
return 0;
}
static int be_POST_stage_get(struct be_ctrl_info *ctrl, u16 *stage)
@ -235,6 +355,18 @@ static inline struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem)
return &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
}
static inline struct be_mcc_wrb *wrb_from_mcc(struct be_queue_info *mccq)
{
struct be_mcc_wrb *wrb = NULL;
if (atomic_read(&mccq->used) < mccq->len) {
wrb = queue_head_node(mccq);
queue_head_inc(mccq);
atomic_inc(&mccq->used);
memset(wrb, 0, sizeof(*wrb));
}
return wrb;
}
int be_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay)
{
@ -244,7 +376,7 @@ int be_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_dma_mem *q_mem = &eq->dma_mem;
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -272,7 +404,7 @@ int be_cmd_eq_create(struct be_ctrl_info *ctrl,
eq->id = le16_to_cpu(resp->eq_id);
eq->created = true;
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -284,7 +416,7 @@ int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr,
struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -304,7 +436,7 @@ int be_cmd_mac_addr_query(struct be_ctrl_info *ctrl, u8 *mac_addr,
if (!status)
memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -315,7 +447,7 @@ int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr,
struct be_cmd_req_pmac_add *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -332,7 +464,7 @@ int be_cmd_pmac_add(struct be_ctrl_info *ctrl, u8 *mac_addr,
*pmac_id = le32_to_cpu(resp->pmac_id);
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -342,7 +474,7 @@ int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id)
struct be_cmd_req_pmac_del *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -354,7 +486,7 @@ int be_cmd_pmac_del(struct be_ctrl_info *ctrl, u32 if_id, u32 pmac_id)
req->pmac_id = cpu_to_le32(pmac_id);
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -370,7 +502,7 @@ int be_cmd_cq_create(struct be_ctrl_info *ctrl,
void *ctxt = &req->context;
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -388,7 +520,7 @@ int be_cmd_cq_create(struct be_ctrl_info *ctrl,
AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts);
AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 0);
AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 1);
AMAP_SET_BITS(struct amap_cq_context, func, ctxt, ctrl->pci_func);
be_dws_cpu_to_le(ctxt, sizeof(req->context));
@ -399,7 +531,56 @@ int be_cmd_cq_create(struct be_ctrl_info *ctrl,
cq->id = le16_to_cpu(resp->cq_id);
cq->created = true;
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
static u32 be_encoded_q_len(int q_len)
{
u32 len_encoded = fls(q_len); /* log2(len) + 1 */
if (len_encoded == 16)
len_encoded = 0;
return len_encoded;
}
int be_cmd_mccq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *mccq,
struct be_queue_info *cq)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_mcc_create *req = embedded_payload(wrb);
struct be_dma_mem *q_mem = &mccq->dma_mem;
void *ctxt = &req->context;
int status;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
OPCODE_COMMON_MCC_CREATE, sizeof(*req));
req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt, ctrl->pci_func);
AMAP_SET_BITS(struct amap_mcc_context, valid, ctxt, 1);
AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt,
be_encoded_q_len(mccq->len));
AMAP_SET_BITS(struct amap_mcc_context, cq_id, ctxt, cq->id);
be_dws_cpu_to_le(ctxt, sizeof(req->context));
be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
mccq->id = le16_to_cpu(resp->id);
mccq->created = true;
}
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -415,7 +596,7 @@ int be_cmd_txq_create(struct be_ctrl_info *ctrl,
int status;
u32 len_encoded;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -446,7 +627,7 @@ int be_cmd_txq_create(struct be_ctrl_info *ctrl,
txq->id = le16_to_cpu(resp->cid);
txq->created = true;
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -460,7 +641,7 @@ int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
struct be_dma_mem *q_mem = &rxq->dma_mem;
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -482,7 +663,7 @@ int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
rxq->id = le16_to_cpu(resp->id);
rxq->created = true;
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -496,7 +677,7 @@ int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
u8 subsys = 0, opcode = 0;
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -518,6 +699,10 @@ int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
subsys = CMD_SUBSYSTEM_ETH;
opcode = OPCODE_ETH_RX_DESTROY;
break;
case QTYPE_MCCQ:
subsys = CMD_SUBSYSTEM_COMMON;
opcode = OPCODE_COMMON_MCC_DESTROY;
break;
default:
printk(KERN_WARNING DRV_NAME ":bad Q type in Q destroy cmd\n");
status = -1;
@ -528,7 +713,7 @@ int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
status = be_mbox_db_ring(ctrl);
err:
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -541,7 +726,7 @@ int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 flags, u8 *mac,
struct be_cmd_req_if_create *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -562,7 +747,7 @@ int be_cmd_if_create(struct be_ctrl_info *ctrl, u32 flags, u8 *mac,
*pmac_id = le32_to_cpu(resp->pmac_id);
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -572,7 +757,7 @@ int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 interface_id)
struct be_cmd_req_if_destroy *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -583,7 +768,7 @@ int be_cmd_if_destroy(struct be_ctrl_info *ctrl, u32 interface_id)
req->interface_id = cpu_to_le32(interface_id);
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -598,7 +783,7 @@ int be_cmd_get_stats(struct be_ctrl_info *ctrl, struct be_dma_mem *nonemb_cmd)
struct be_sge *sge = nonembedded_sgl(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
memset(req, 0, sizeof(*req));
@ -617,18 +802,20 @@ int be_cmd_get_stats(struct be_ctrl_info *ctrl, struct be_dma_mem *nonemb_cmd)
be_dws_le_to_cpu(&resp->hw_stats, sizeof(resp->hw_stats));
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
struct be_link_info *link)
bool *link_up)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_link_status *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
*link_up = false;
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -639,14 +826,11 @@ int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
status = be_mbox_db_ring(ctrl);
if (!status) {
struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
link->speed = resp->mac_speed;
link->duplex = resp->mac_duplex;
link->fault = resp->mac_fault;
} else {
link->speed = PHY_LINK_SPEED_ZERO;
if (resp->mac_speed != PHY_LINK_SPEED_ZERO)
*link_up = true;
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -656,7 +840,7 @@ int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver)
struct be_cmd_req_get_fw_version *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -670,7 +854,7 @@ int be_cmd_get_fw_ver(struct be_ctrl_info *ctrl, char *fw_ver)
strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN);
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -681,7 +865,7 @@ int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd)
struct be_cmd_req_modify_eq_delay *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -696,7 +880,7 @@ int be_cmd_modify_eqd(struct be_ctrl_info *ctrl, u32 eq_id, u32 eqd)
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -707,7 +891,7 @@ int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id, u16 *vtag_array,
struct be_cmd_req_vlan_config *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -726,18 +910,22 @@ int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id, u16 *vtag_array,
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
/* Use MCC for this command as it may be called in BH context */
int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl, u8 port_num, bool en)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_promiscuous_config *req = embedded_payload(wrb);
int status;
struct be_mcc_wrb *wrb;
struct be_cmd_req_promiscuous_config *req;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
spin_lock_bh(&ctrl->mcc_lock);
wrb = wrb_from_mcc(&ctrl->mcc_obj.q);
BUG_ON(!wrb);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -749,21 +937,29 @@ int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl, u8 port_num, bool en)
else
req->port0_promiscuous = en;
status = be_mbox_db_ring(ctrl);
be_mcc_notify_wait(ctrl);
spin_unlock(&ctrl->cmd_lock);
return status;
spin_unlock_bh(&ctrl->mcc_lock);
return 0;
}
int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id, u8 *mac_table,
u32 num, bool promiscuous)
/*
* Use MCC for this command as it may be called in BH context
* (mc == NULL) => multicast promiscous
*/
int be_cmd_multicast_set(struct be_ctrl_info *ctrl, u32 if_id,
struct dev_mc_list *mc_list, u32 mc_count)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct be_cmd_req_mcast_mac_config *req = embedded_payload(wrb);
int status;
#define BE_MAX_MC 32 /* set mcast promisc if > 32 */
struct be_mcc_wrb *wrb;
struct be_cmd_req_mcast_mac_config *req;
spin_lock(&ctrl->cmd_lock);
memset(wrb, 0, sizeof(*wrb));
spin_lock_bh(&ctrl->mcc_lock);
wrb = wrb_from_mcc(&ctrl->mcc_obj.q);
BUG_ON(!wrb);
req = embedded_payload(wrb);
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
@ -771,17 +967,23 @@ int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id, u8 *mac_table,
OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req));
req->interface_id = if_id;
req->promiscuous = promiscuous;
if (!promiscuous) {
req->num_mac = cpu_to_le16(num);
if (num)
memcpy(req->mac, mac_table, ETH_ALEN * num);
if (mc_list && mc_count <= BE_MAX_MC) {
int i;
struct dev_mc_list *mc;
req->num_mac = cpu_to_le16(mc_count);
for (mc = mc_list, i = 0; mc; mc = mc->next, i++)
memcpy(req->mac[i].byte, mc->dmi_addr, ETH_ALEN);
} else {
req->promiscuous = 1;
}
status = be_mbox_db_ring(ctrl);
be_mcc_notify_wait(ctrl);
spin_unlock(&ctrl->cmd_lock);
return status;
spin_unlock_bh(&ctrl->mcc_lock);
return 0;
}
int be_cmd_set_flow_control(struct be_ctrl_info *ctrl, u32 tx_fc, u32 rx_fc)
@ -790,7 +992,7 @@ int be_cmd_set_flow_control(struct be_ctrl_info *ctrl, u32 tx_fc, u32 rx_fc)
struct be_cmd_req_set_flow_control *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
@ -804,7 +1006,7 @@ int be_cmd_set_flow_control(struct be_ctrl_info *ctrl, u32 tx_fc, u32 rx_fc)
status = be_mbox_db_ring(ctrl);
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -814,7 +1016,7 @@ int be_cmd_get_flow_control(struct be_ctrl_info *ctrl, u32 *tx_fc, u32 *rx_fc)
struct be_cmd_req_get_flow_control *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
@ -831,7 +1033,7 @@ int be_cmd_get_flow_control(struct be_ctrl_info *ctrl, u32 *tx_fc, u32 *rx_fc)
*rx_fc = le16_to_cpu(resp->rx_flow_control);
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}
@ -841,7 +1043,7 @@ int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num)
struct be_cmd_req_query_fw_cfg *req = embedded_payload(wrb);
int status;
spin_lock(&ctrl->cmd_lock);
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
@ -856,6 +1058,6 @@ int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num)
*port_num = le32_to_cpu(resp->phys_port);
}
spin_unlock(&ctrl->cmd_lock);
spin_unlock(&ctrl->mbox_lock);
return status;
}

80
drivers/net/benet/be_cmds.h
View file

@ -76,6 +76,34 @@ struct be_mcc_cq_entry {
u32 flags; /* dword 3 */
};
/* When the async bit of mcc_compl is set, the last 4 bytes of
* mcc_compl is interpreted as follows:
*/
#define ASYNC_TRAILER_EVENT_CODE_SHIFT 8 /* bits 8 - 15 */
#define ASYNC_TRAILER_EVENT_CODE_MASK 0xFF
#define ASYNC_EVENT_CODE_LINK_STATE 0x1
struct be_async_event_trailer {
u32 code;
};
enum {
ASYNC_EVENT_LINK_DOWN = 0x0,
ASYNC_EVENT_LINK_UP = 0x1
};
/* When the event code of an async trailer is link-state, the mcc_compl
* must be interpreted as follows
*/
struct be_async_event_link_state {
u8 physical_port;
u8 port_link_status;
u8 port_duplex;
u8 port_speed;
u8 port_fault;
u8 rsvd0[7];
struct be_async_event_trailer trailer;
} __packed;
struct be_mcc_mailbox {
struct be_mcc_wrb wrb;
struct be_mcc_cq_entry cqe;
@ -101,6 +129,7 @@ struct be_mcc_mailbox {
#define OPCODE_COMMON_FIRMWARE_CONFIG 42
#define OPCODE_COMMON_NTWK_INTERFACE_CREATE 50
#define OPCODE_COMMON_NTWK_INTERFACE_DESTROY 51
#define OPCODE_COMMON_MCC_DESTROY 53
#define OPCODE_COMMON_CQ_DESTROY 54
#define OPCODE_COMMON_EQ_DESTROY 55
#define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG 58
@ -269,6 +298,38 @@ struct be_cmd_resp_cq_create {
u16 rsvd0;
} __packed;
/******************** Create MCCQ ***************************/
/* Pseudo amap definition in which each bit of the actual structure is defined
* as a byte: used to calculate offset/shift/mask of each field */
struct amap_mcc_context {
u8 con_index[14];
u8 rsvd0[2];
u8 ring_size[4];
u8 fetch_wrb;
u8 fetch_r2t;
u8 cq_id[10];
u8 prod_index[14];
u8 fid[8];
u8 pdid[9];
u8 valid;
u8 rsvd1[32];
u8 rsvd2[32];
} __packed;
struct be_cmd_req_mcc_create {
struct be_cmd_req_hdr hdr;
u16 num_pages;
u16 rsvd0;
u8 context[sizeof(struct amap_mcc_context) / 8];
struct phys_addr pages[8];
} __packed;
struct be_cmd_resp_mcc_create {
struct be_cmd_resp_hdr hdr;
u16 id;
u16 rsvd0;
} __packed;
/******************** Create TxQ ***************************/
#define BE_ETH_TX_RING_TYPE_STANDARD 2
#define BE_ULP1_NUM 1
@ -341,7 +402,8 @@ enum {
QTYPE_EQ = 1,
QTYPE_CQ,
QTYPE_TXQ,
QTYPE_RXQ
QTYPE_RXQ,
QTYPE_MCCQ
};
struct be_cmd_req_q_destroy {
@ -546,12 +608,6 @@ struct be_cmd_req_link_status {
u32 rsvd;
};
struct be_link_info {
u8 duplex;
u8 speed;
u8 fault;
};
enum {
PHY_LINK_DUPLEX_NONE = 0x0,
PHY_LINK_DUPLEX_HALF = 0x1,
@ -657,6 +713,9 @@ extern int be_cmd_cq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay,
int num_cqe_dma_coalesce);
extern int be_cmd_mccq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *mccq,
struct be_queue_info *cq);
extern int be_cmd_txq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *txq,
struct be_queue_info *cq);
@ -667,7 +726,7 @@ extern int be_cmd_rxq_create(struct be_ctrl_info *ctrl,
extern int be_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
int type);
extern int be_cmd_link_status_query(struct be_ctrl_info *ctrl,
struct be_link_info *link);
bool *link_up);
extern int be_cmd_reset(struct be_ctrl_info *ctrl);
extern int be_cmd_get_stats(struct be_ctrl_info *ctrl,
struct be_dma_mem *nonemb_cmd);
@ -679,10 +738,11 @@ extern int be_cmd_vlan_config(struct be_ctrl_info *ctrl, u32 if_id,
bool promiscuous);
extern int be_cmd_promiscuous_config(struct be_ctrl_info *ctrl,
u8 port_num, bool en);
extern int be_cmd_mcast_mac_set(struct be_ctrl_info *ctrl, u32 if_id,
u8 *mac_table, u32 num, bool promiscuous);
extern int be_cmd_multicast_set(struct be_ctrl_info *ctrl, u32 if_id,
struct dev_mc_list *mc_list, u32 mc_count);
extern int be_cmd_set_flow_control(struct be_ctrl_info *ctrl,
u32 tx_fc, u32 rx_fc);
extern int be_cmd_get_flow_control(struct be_ctrl_info *ctrl,
u32 *tx_fc, u32 *rx_fc);
extern int be_cmd_query_fw_cfg(struct be_ctrl_info *ctrl, u32 *port_num);
extern void be_process_mcc(struct be_ctrl_info *ctrl);

8
drivers/net/benet/be_hw.h
View file

@ -61,7 +61,7 @@
/* Clear the interrupt for this eq */
#define DB_EQ_CLR_SHIFT (9) /* bit 9 */
/* Must be 1 */
#define DB_EQ_EVNT_SHIFT (10) /* bit 10 */
#define DB_EQ_EVNT_SHIFT (10) /* bit 10 */
/* Number of event entries processed */
#define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
/* Rearm bit */
@ -88,6 +88,12 @@
/* Number of rx frags posted */
#define DB_RQ_NUM_POSTED_SHIFT (24) /* bits 24 - 31 */
/********** MCC door bell ************/
#define DB_MCCQ_OFFSET 0x140
#define DB_MCCQ_RING_ID_MASK 0x7FF /* bits 0 - 10 */
/* Number of entries posted */
#define DB_MCCQ_NUM_POSTED_SHIFT (16) /* bits 16 - 29 */
/*
* BE descriptors: host memory data structures whose formats
* are hardwired in BE silicon.

305
drivers/net/benet/be_main.c
View file

@ -60,26 +60,6 @@ static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q,
return 0;
}
static inline void *queue_head_node(struct be_queue_info *q)
{
return q->dma_mem.va + q->head * q->entry_size;
}
static inline void *queue_tail_node(struct be_queue_info *q)
{
return q->dma_mem.va + q->tail * q->entry_size;
}
static inline void queue_head_inc(struct be_queue_info *q)
{
index_inc(&q->head, q->len);
}
static inline void queue_tail_inc(struct be_queue_info *q)
{
index_inc(&q->tail, q->len);
}
static void be_intr_set(struct be_ctrl_info *ctrl, bool enable)
{
u8 __iomem *addr = ctrl->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET;
@ -127,7 +107,7 @@ static void be_eq_notify(struct be_ctrl_info *ctrl, u16 qid,
iowrite32(val, ctrl->db + DB_EQ_OFFSET);
}
static void be_cq_notify(struct be_ctrl_info *ctrl, u16 qid,
void be_cq_notify(struct be_ctrl_info *ctrl, u16 qid,
bool arm, u16 num_popped)
{
u32 val = 0;
@ -234,28 +214,24 @@ static void netdev_stats_update(struct be_adapter *adapter)
dev_stats->tx_window_errors = 0;
}
static void be_link_status_update(struct be_adapter *adapter)
void be_link_status_update(void *ctxt, bool link_up)
{
struct be_link_info *prev = &adapter->link;
struct be_link_info now = { 0 };
struct be_adapter *adapter = ctxt;
struct net_device *netdev = adapter->netdev;
be_cmd_link_status_query(&adapter->ctrl, &now);
/* If link came up or went down */
if (now.speed != prev->speed && (now.speed == PHY_LINK_SPEED_ZERO ||
prev->speed == PHY_LINK_SPEED_ZERO)) {
if (now.speed == PHY_LINK_SPEED_ZERO) {
netif_stop_queue(netdev);
netif_carrier_off(netdev);
printk(KERN_INFO "%s: Link down\n", netdev->name);
} else {
if (adapter->link_up != link_up) {
if (link_up) {
netif_start_queue(netdev);
netif_carrier_on(netdev);
printk(KERN_INFO "%s: Link up\n", netdev->name);
} else {
netif_stop_queue(netdev);
netif_carrier_off(netdev);
printk(KERN_INFO "%s: Link down\n", netdev->name);
}
adapter->link_up = link_up;
}
*prev = now;
}
/* Update the EQ delay n BE based on the RX frags consumed / sec */
@ -569,47 +545,32 @@ static void be_vlan_rem_vid(struct net_device *netdev, u16 vid)
be_vid_config(netdev);
}
static void be_set_multicast_filter(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
struct dev_mc_list *mc_ptr;
u8 mac_addr[32][ETH_ALEN];
int i = 0;
if (netdev->flags & IFF_ALLMULTI) {
/* set BE in Multicast promiscuous */
be_cmd_mcast_mac_set(&adapter->ctrl,
adapter->if_handle, NULL, 0, true);
return;
}
for (mc_ptr = netdev->mc_list; mc_ptr; mc_ptr = mc_ptr->next) {
memcpy(&mac_addr[i][0], mc_ptr->dmi_addr, ETH_ALEN);
if (++i >= 32) {
be_cmd_mcast_mac_set(&adapter->ctrl,
adapter->if_handle, &mac_addr[0][0], i, false);
i = 0;
}
}
if (i) {
/* reset the promiscuous mode also. */
be_cmd_mcast_mac_set(&adapter->ctrl,
adapter->if_handle, &mac_addr[0][0], i, false);
}
}
static void be_set_multicast_list(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
struct be_ctrl_info *ctrl = &adapter->ctrl;
if (netdev->flags & IFF_PROMISC) {
be_cmd_promiscuous_config(&adapter->ctrl, adapter->port_num, 1);
} else {
be_cmd_promiscuous_config(&adapter->ctrl, adapter->port_num, 0);
be_set_multicast_filter(netdev);
be_cmd_promiscuous_config(ctrl, adapter->port_num, 1);
adapter->promiscuous = true;
goto done;
}
/* BE was previously in promiscous mode; disable it */
if (adapter->promiscuous) {
adapter->promiscuous = false;
be_cmd_promiscuous_config(ctrl, adapter->port_num, 0);
}
if (netdev->flags & IFF_ALLMULTI) {
be_cmd_multicast_set(ctrl, adapter->if_handle, NULL, 0);
goto done;
}
be_cmd_multicast_set(ctrl, adapter->if_handle, netdev->mc_list,
netdev->mc_count);
done:
return;
}
static void be_rx_rate_update(struct be_adapter *adapter)
@ -960,10 +921,8 @@ static void be_post_rx_frags(struct be_adapter *adapter)
return;
}
static struct be_eth_tx_compl *
be_tx_compl_get(struct be_adapter *adapter)
static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq)
{
struct be_queue_info *tx_cq = &adapter->tx_obj.cq;
struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq);
if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0)
@ -1051,6 +1010,59 @@ static void be_tx_q_clean(struct be_adapter *adapter)
}
}
static void be_mcc_queues_destroy(struct be_adapter *adapter)
{
struct be_queue_info *q;
struct be_ctrl_info *ctrl = &adapter->ctrl;
q = &ctrl->mcc_obj.q;
if (q->created)
be_cmd_q_destroy(ctrl, q, QTYPE_MCCQ);
be_queue_free(adapter, q);
q = &ctrl->mcc_obj.cq;
if (q->created)
be_cmd_q_destroy(ctrl, q, QTYPE_CQ);
be_queue_free(adapter, q);
}
/* Must be called only after TX qs are created as MCC shares TX EQ */
static int be_mcc_queues_create(struct be_adapter *adapter)
{
struct be_queue_info *q, *cq;
struct be_ctrl_info *ctrl = &adapter->ctrl;
/* Alloc MCC compl queue */
cq = &ctrl->mcc_obj.cq;
if (be_queue_alloc(adapter, cq, MCC_CQ_LEN,
sizeof(struct be_mcc_cq_entry)))
goto err;
/* Ask BE to create MCC compl queue; share TX's eq */
if (be_cmd_cq_create(ctrl, cq, &adapter->tx_eq.q, false, true, 0))
goto mcc_cq_free;
/* Alloc MCC queue */
q = &ctrl->mcc_obj.q;
if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb)))
goto mcc_cq_destroy;
/* Ask BE to create MCC queue */
if (be_cmd_mccq_create(ctrl, q, cq))
goto mcc_q_free;
return 0;
mcc_q_free:
be_queue_free(adapter, q);
mcc_cq_destroy:
be_cmd_q_destroy(ctrl, cq, QTYPE_CQ);
mcc_cq_free:
be_queue_free(adapter, cq);
err:
return -1;
}
static void be_tx_queues_destroy(struct be_adapter *adapter)
{
struct be_queue_info *q;
@ -1263,7 +1275,7 @@ static irqreturn_t be_msix_rx(int irq, void *dev)
return IRQ_HANDLED;
}
static irqreturn_t be_msix_tx(int irq, void *dev)
static irqreturn_t be_msix_tx_mcc(int irq, void *dev)
{
struct be_adapter *adapter = dev;
@ -1324,40 +1336,51 @@ int be_poll_rx(struct napi_struct *napi, int budget)
return work_done;
}
/* For TX we don't honour budget; consume everything */
int be_poll_tx(struct napi_struct *napi, int budget)
void be_process_tx(struct be_adapter *adapter)
{
struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi);
struct be_adapter *adapter =
container_of(tx_eq, struct be_adapter, tx_eq);
struct be_tx_obj *tx_obj = &adapter->tx_obj;
struct be_queue_info *tx_cq = &tx_obj->cq;
struct be_queue_info *txq = &tx_obj->q;
struct be_queue_info *txq = &adapter->tx_obj.q;
struct be_queue_info *tx_cq = &adapter->tx_obj.cq;
struct be_eth_tx_compl *txcp;
u32 num_cmpl = 0;
u16 end_idx;
while ((txcp = be_tx_compl_get(adapter))) {
while ((txcp = be_tx_compl_get(tx_cq))) {
end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl,
wrb_index, txcp);
be_tx_compl_process(adapter, end_idx);
num_cmpl++;
}
/* As Tx wrbs have been freed up, wake up netdev queue if
* it was stopped due to lack of tx wrbs.
*/
if (netif_queue_stopped(adapter->netdev) &&
if (num_cmpl) {
be_cq_notify(&adapter->ctrl, tx_cq->id, true, num_cmpl);
/* As Tx wrbs have been freed up, wake up netdev queue if
* it was stopped due to lack of tx wrbs.
*/
if (netif_queue_stopped(adapter->netdev) &&
atomic_read(&txq->used) < txq->len / 2) {
netif_wake_queue(adapter->netdev);
netif_wake_queue(adapter->netdev);
}
drvr_stats(adapter)->be_tx_events++;
drvr_stats(adapter)->be_tx_compl += num_cmpl;
}
}
/* As TX and MCC share the same EQ check for both TX and MCC completions.
* For TX/MCC we don't honour budget; consume everything
*/
static int be_poll_tx_mcc(struct napi_struct *napi, int budget)
{
struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi);
struct be_adapter *adapter =
container_of(tx_eq, struct be_adapter, tx_eq);
napi_complete(napi);
be_cq_notify(&adapter->ctrl, tx_cq->id, true, num_cmpl);
be_process_tx(adapter);
drvr_stats(adapter)->be_tx_events++;
drvr_stats(adapter)->be_tx_compl += num_cmpl;
be_process_mcc(&adapter->ctrl);
return 1;
}
@ -1368,9 +1391,6 @@ static void be_worker(struct work_struct *work)
container_of(work, struct be_adapter, work.work);
int status;
/* Check link */
be_link_status_update(adapter);
/* Get Stats */
status = be_cmd_get_stats(&adapter->ctrl, &adapter->stats.cmd);
if (!status)
@ -1419,7 +1439,7 @@ static int be_msix_register(struct be_adapter *adapter)
sprintf(tx_eq->desc, "%s-tx", netdev->name);
vec = be_msix_vec_get(adapter, tx_eq->q.id);
status = request_irq(vec, be_msix_tx, 0, tx_eq->desc, adapter);
status = request_irq(vec, be_msix_tx_mcc, 0, tx_eq->desc, adapter);
if (status)
goto err;
@ -1495,6 +1515,39 @@ static int be_open(struct net_device *netdev)
struct be_ctrl_info *ctrl = &adapter->ctrl;
struct be_eq_obj *rx_eq = &adapter->rx_eq;
struct be_eq_obj *tx_eq = &adapter->tx_eq;
bool link_up;
int status;
/* First time posting */
be_post_rx_frags(adapter);
napi_enable(&rx_eq->napi);
napi_enable(&tx_eq->napi);
be_irq_register(adapter);
be_intr_set(ctrl, true);
/* The evt queues are created in unarmed state; arm them */
be_eq_notify(ctrl, rx_eq->q.id, true, false, 0);
be_eq_notify(ctrl, tx_eq->q.id, true, false, 0);
/* Rx compl queue may be in unarmed state; rearm it */
be_cq_notify(ctrl, adapter->rx_obj.cq.id, true, 0);
status = be_cmd_link_status_query(ctrl, &link_up);
if (status)
return status;
be_link_status_update(adapter, link_up);
schedule_delayed_work(&adapter->work, msecs_to_jiffies(100));
return 0;
}
static int be_setup(struct be_adapter *adapter)
{
struct be_ctrl_info *ctrl = &adapter->ctrl;
struct net_device *netdev = adapter->netdev;
u32 if_flags;
int status;
@ -1521,29 +1574,14 @@ static int be_open(struct net_device *netdev)
if (status != 0)
goto tx_qs_destroy;
/* First time posting */
be_post_rx_frags(adapter);
status = be_mcc_queues_create(adapter);
if (status != 0)
goto rx_qs_destroy;
napi_enable(&rx_eq->napi);
napi_enable(&tx_eq->napi);
be_irq_register(adapter);
be_intr_set(ctrl, true);
/* The evt queues are created in the unarmed state; arm them */
be_eq_notify(ctrl, rx_eq->q.id, true, false, 0);
be_eq_notify(ctrl, tx_eq->q.id, true, false, 0);
/* The compl queues are created in the unarmed state; arm them */
be_cq_notify(ctrl, adapter->rx_obj.cq.id, true, 0);
be_cq_notify(ctrl, adapter->tx_obj.cq.id, true, 0);
be_link_status_update(adapter);
schedule_delayed_work(&adapter->work, msecs_to_jiffies(100));
return 0;
rx_qs_destroy:
be_rx_queues_destroy(adapter);
tx_qs_destroy:
be_tx_queues_destroy(adapter);
if_destroy:
@ -1552,6 +1590,19 @@ do_none:
return status;
}
static int be_clear(struct be_adapter *adapter)
{
struct be_ctrl_info *ctrl = &adapter->ctrl;
be_rx_queues_destroy(adapter);
be_tx_queues_destroy(adapter);
be_cmd_if_destroy(ctrl, adapter->if_handle);
be_mcc_queues_destroy(adapter);
return 0;
}
static int be_close(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
@ -1564,7 +1615,7 @@ static int be_close(struct net_device *netdev)
netif_stop_queue(netdev);
netif_carrier_off(netdev);
adapter->link.speed = PHY_LINK_SPEED_ZERO;
adapter->link_up = false;
be_intr_set(ctrl, false);
@ -1581,10 +1632,6 @@ static int be_close(struct net_device *netdev)
napi_disable(&rx_eq->napi);
napi_disable(&tx_eq->napi);
be_rx_queues_destroy(adapter);
be_tx_queues_destroy(adapter);
be_cmd_if_destroy(ctrl, adapter->if_handle);
return 0;
}
@ -1673,7 +1720,7 @@ static void be_netdev_init(struct net_device *netdev)
netif_napi_add(netdev, &adapter->rx_eq.napi, be_poll_rx,
BE_NAPI_WEIGHT);
netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx,
netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx_mcc,
BE_NAPI_WEIGHT);
netif_carrier_off(netdev);
@ -1755,7 +1802,12 @@ static int be_ctrl_init(struct be_adapter *adapter)
mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16);
mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16);
memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox));
spin_lock_init(&ctrl->cmd_lock);
spin_lock_init(&ctrl->mbox_lock);
spin_lock_init(&ctrl->mcc_lock);
spin_lock_init(&ctrl->mcc_cq_lock);
ctrl->async_cb = be_link_status_update;
ctrl->adapter_ctxt = adapter;
val = ioread32(ctrl->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET);
ctrl->pci_func = (val >> MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT) &
@ -1793,6 +1845,8 @@ static void __devexit be_remove(struct pci_dev *pdev)
unregister_netdev(adapter->netdev);
be_clear(adapter);
be_stats_cleanup(adapter);
be_ctrl_cleanup(adapter);
@ -1890,13 +1944,18 @@ static int __devinit be_probe(struct pci_dev *pdev,
be_netdev_init(netdev);
SET_NETDEV_DEV(netdev, &adapter->pdev->dev);
status = be_setup(adapter);
if (status)
goto stats_clean;
status = register_netdev(netdev);
if (status != 0)
goto stats_clean;
goto unsetup;
dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num);
return 0;
unsetup:
be_clear(adapter);
stats_clean:
be_stats_cleanup(adapter);
ctrl_clean:
@ -1921,6 +1980,7 @@ static int be_suspend(struct pci_dev *pdev, pm_message_t state)
if (netif_running(netdev)) {
rtnl_lock();
be_close(netdev);
be_clear(adapter);
rtnl_unlock();
}
@ -1947,6 +2007,7 @@ static int be_resume(struct pci_dev *pdev)
if (netif_running(netdev)) {
rtnl_lock();
be_setup(adapter);
be_open(netdev);
rtnl_unlock();
}

2
drivers/net/e1000e/netdev.c
View file

@ -1997,7 +1997,7 @@ static int e1000_clean(struct napi_struct *napi, int budget)
struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi);
struct e1000_hw *hw = &adapter->hw;
struct net_device *poll_dev = adapter->netdev;
int tx_cleaned = 0, work_done = 0;
int tx_cleaned = 1, work_done = 0;
adapter = netdev_priv(poll_dev);

8
drivers/net/mlx4/en_netdev.c
View file

@ -668,7 +668,7 @@ int mlx4_en_start_port(struct net_device *dev)
queue_work(mdev->workqueue, &priv->mcast_task);
priv->port_up = true;
netif_start_queue(dev);
netif_tx_start_all_queues(dev);
return 0;
mac_err:
@ -700,14 +700,14 @@ void mlx4_en_stop_port(struct net_device *dev)
en_dbg(DRV, priv, "stop port called while port already down\n");
return;
}
netif_stop_queue(dev);
/* Synchronize with tx routine */
netif_tx_lock_bh(dev);
priv->port_up = false;
netif_tx_stop_all_queues(dev);
netif_tx_unlock_bh(dev);
/* close port*/
priv->port_up = false;
mlx4_CLOSE_PORT(mdev->dev, priv->port);
/* Unregister Mac address for the port */
@ -881,7 +881,6 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE);
cancel_delayed_work(&priv->stats_task);
cancel_delayed_work(&priv->refill_task);
/* flush any pending task for this netdev */
flush_workqueue(mdev->workqueue);
@ -986,7 +985,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
spin_lock_init(&priv->stats_lock);
INIT_WORK(&priv->mcast_task, mlx4_en_do_set_multicast);
INIT_WORK(&priv->mac_task, mlx4_en_do_set_mac);
INIT_DELAYED_WORK(&priv->refill_task, mlx4_en_rx_refill);
INIT_WORK(&priv->watchdog_task, mlx4_en_restart);
INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);
INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats);

96
drivers/net/mlx4/en_rx.c
View file

@ -269,31 +269,6 @@ reduce_rings:
return 0;
}
static int mlx4_en_fill_rx_buf(struct net_device *dev,
struct mlx4_en_rx_ring *ring)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
int num = 0;
int err;
while ((u32) (ring->prod - ring->cons) < ring->actual_size) {
err = mlx4_en_prepare_rx_desc(priv, ring, ring->prod &
ring->size_mask);
if (err) {
if (netif_msg_rx_err(priv))
en_warn(priv, "Failed preparing rx descriptor\n");
priv->port_stats.rx_alloc_failed++;
break;
}
++num;
++ring->prod;
}
if ((u32) (ring->prod - ring->cons) == ring->actual_size)
ring->full = 1;
return num;
}
static void mlx4_en_free_rx_buf(struct mlx4_en_priv *priv,
struct mlx4_en_rx_ring *ring)
{
@ -312,42 +287,6 @@ static void mlx4_en_free_rx_buf(struct mlx4_en_priv *priv,
}
}
void mlx4_en_rx_refill(struct work_struct *work)
{
struct delayed_work *delay = to_delayed_work(work);
struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv,
refill_task);
struct mlx4_en_dev *mdev = priv->mdev;
struct net_device *dev = priv->dev;
struct mlx4_en_rx_ring *ring;
int need_refill = 0;
int i;
mutex_lock(&mdev->state_lock);
if (!mdev->device_up || !priv->port_up)
goto out;
/* We only get here if there are no receive buffers, so we can't race
* with Rx interrupts while filling buffers */
for (i = 0; i < priv->rx_ring_num; i++) {
ring = &priv->rx_ring[i];
if (ring->need_refill) {
if (mlx4_en_fill_rx_buf(dev, ring)) {
ring->need_refill = 0;
mlx4_en_update_rx_prod_db(ring);
} else
need_refill = 1;
}
}
if (need_refill)
queue_delayed_work(mdev->workqueue, &priv->refill_task, HZ);
out:
mutex_unlock(&mdev->state_lock);
}
int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
struct mlx4_en_rx_ring *ring, u32 size, u16 stride)
{
@ -457,9 +396,6 @@ int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv)
ring_ind--;
goto err_allocator;
}
/* Fill Rx buffers */
ring->full = 0;
}
err = mlx4_en_fill_rx_buffers(priv);
if (err)
@ -647,33 +583,6 @@ static struct sk_buff *mlx4_en_rx_skb(struct mlx4_en_priv *priv,
return skb;
}
static void mlx4_en_copy_desc(struct mlx4_en_priv *priv,
struct mlx4_en_rx_ring *ring,
int from, int to, int num)
{
struct skb_frag_struct *skb_frags_from;
struct skb_frag_struct *skb_frags_to;
struct mlx4_en_rx_desc *rx_desc_from;
struct mlx4_en_rx_desc *rx_desc_to;
int from_index, to_index;
int nr, i;
for (i = 0; i < num; i++) {
from_index = (from + i) & ring->size_mask;
to_index = (to + i) & ring->size_mask;
skb_frags_from = ring->rx_info + (from_index << priv->log_rx_info);
skb_frags_to = ring->rx_info + (to_index << priv->log_rx_info);
rx_desc_from = ring->buf + (from_index << ring->log_stride);
rx_desc_to = ring->buf + (to_index << ring->log_stride);
for (nr = 0; nr < priv->num_frags; nr++) {
skb_frags_to[nr].page = skb_frags_from[nr].page;
skb_frags_to[nr].page_offset = skb_frags_from[nr].page_offset;
rx_desc_to->data[nr].addr = rx_desc_from->data[nr].addr;
}
}
}
int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int budget)
{
@ -821,11 +730,6 @@ out:
wmb(); /* ensure HW sees CQ consumer before we post new buffers */
ring->cons = cq->mcq.cons_index;
ring->prod += polled; /* Polled descriptors were realocated in place */
if (unlikely(!ring->full)) {
mlx4_en_copy_desc(priv, ring, ring->cons - polled,
ring->prod - polled, polled);
mlx4_en_fill_rx_buf(dev, ring);
}
mlx4_en_update_rx_prod_db(ring);
return polled;
}

29
drivers/net/mlx4/en_tx.c
View file

@ -515,16 +515,9 @@ static int get_real_size(struct sk_buff *skb, struct net_device *dev,
else {
if (netif_msg_tx_err(priv))
en_warn(priv, "Non-linear headers\n");
dev_kfree_skb_any(skb);
return 0;
}
}
if (unlikely(*lso_header_size > MAX_LSO_HDR_SIZE)) {
if (netif_msg_tx_err(priv))
en_warn(priv, "LSO header size too big\n");
dev_kfree_skb_any(skb);
return 0;
}
} else {
*lso_header_size = 0;
if (!is_inline(skb, NULL))
@ -616,13 +609,9 @@ int mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
int lso_header_size;
void *fragptr;
if (unlikely(!skb->len)) {
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
real_size = get_real_size(skb, dev, &lso_header_size);
if (unlikely(!real_size))
return NETDEV_TX_OK;
goto tx_drop;
/* Allign descriptor to TXBB size */
desc_size = ALIGN(real_size, TXBB_SIZE);
@ -630,8 +619,7 @@ int mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
if (unlikely(nr_txbb > MAX_DESC_TXBBS)) {
if (netif_msg_tx_err(priv))
en_warn(priv, "Oversized header or SG list\n");
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
goto tx_drop;
}
tx_ind = skb->queue_mapping;
@ -653,14 +641,6 @@ int mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_BUSY;
}
/* Now that we know what Tx ring to use */
if (unlikely(!priv->port_up)) {
if (netif_msg_tx_err(priv))
en_warn(priv, "xmit: port down!\n");
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
/* Track current inflight packets for performance analysis */
AVG_PERF_COUNTER(priv->pstats.inflight_avg,
(u32) (ring->prod - ring->cons - 1));
@ -785,5 +765,10 @@ int mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
mlx4_en_xmit_poll(priv, tx_ind);
return 0;
tx_drop:
dev_kfree_skb_any(skb);
priv->stats.tx_dropped++;
return NETDEV_TX_OK;
}

5
drivers/net/mlx4/mlx4_en.h
View file

@ -99,7 +99,6 @@
#define RSS_FACTOR 2
#define TXBB_SIZE 64
#define HEADROOM (2048 / TXBB_SIZE + 1)
#define MAX_LSO_HDR_SIZE 92
#define STAMP_STRIDE 64
#define STAMP_DWORDS (STAMP_STRIDE / 4)
#define STAMP_SHIFT 31
@ -296,8 +295,6 @@ struct mlx4_en_rx_ring {
u32 prod;
u32 cons;
u32 buf_size;
int need_refill;
int full;
void *buf;
void *rx_info;
unsigned long bytes;
@ -495,7 +492,6 @@ struct mlx4_en_priv {
struct mlx4_en_cq rx_cq[MAX_RX_RINGS];
struct work_struct mcast_task;
struct work_struct mac_task;
struct delayed_work refill_task;
struct work_struct watchdog_task;
struct work_struct linkstate_task;
struct delayed_work stats_task;
@ -565,7 +561,6 @@ void mlx4_en_set_default_rss_map(struct mlx4_en_priv *priv,
int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv);
void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv);
int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring);
void mlx4_en_rx_refill(struct work_struct *work);
void mlx4_en_rx_irq(struct mlx4_cq *mcq);
int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);

7
drivers/net/mv643xx_eth.c
View file

@ -1750,12 +1750,12 @@ static void mv643xx_eth_program_unicast_filter(struct net_device *dev)
uc_addr_set(mp, dev->dev_addr);
port_config = rdlp(mp, PORT_CONFIG);
port_config = rdlp(mp, PORT_CONFIG) & ~UNICAST_PROMISCUOUS_MODE;
nibbles = uc_addr_filter_mask(dev);
if (!nibbles) {
port_config |= UNICAST_PROMISCUOUS_MODE;
wrlp(mp, PORT_CONFIG, port_config);
return;
nibbles = 0xffff;
}
for (i = 0; i < 16; i += 4) {
@ -1776,7 +1776,6 @@ static void mv643xx_eth_program_unicast_filter(struct net_device *dev)
wrl(mp, off, v);
}
port_config &= ~UNICAST_PROMISCUOUS_MODE;
wrlp(mp, PORT_CONFIG, port_config);
}

2
drivers/net/qla3xxx.c
View file

@ -3837,7 +3837,9 @@ static void ql_reset_work(struct work_struct *work)
16) | ISP_CONTROL_RI));
}
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);
ssleep(1);
spin_lock_irqsave(&qdev->hw_lock, hw_flags);
} while (--max_wait_time);
spin_unlock_irqrestore(&qdev->hw_lock, hw_flags);

3
drivers/net/r8169.c
View file

@ -51,9 +51,6 @@
#define TX_BUFFS_AVAIL(tp) \
(tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
/* Maximum events (Rx packets, etc.) to handle at each interrupt. */
static const int max_interrupt_work = 20;
/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
The RTL chips use a 64 element hash table based on the Ethernet CRC. */
static const int multicast_filter_limit = 32;

4
drivers/net/usb/Kconfig
View file

@ -169,10 +169,12 @@ config USB_NET_CDCETHER
The Linux-USB CDC Ethernet Gadget driver is an open implementation.
This driver should work with at least the following devices:
* Dell Wireless 5530 HSPA
* Ericsson PipeRider (all variants)
* Ericsson Mobile Broadband Module (all variants)
* Motorola (DM100 and SB4100)
* Broadcom Cable Modem (reference design)
* Toshiba PCX1100U
* Toshiba (PCX1100U and F3507g)
* ...
This driver creates an interface named "ethX", where X depends on

25
drivers/net/usb/cdc_ether.c
View file

@ -533,6 +533,31 @@ static const struct usb_device_id products [] = {
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1900, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long) &cdc_info,
}, {
/* Ericsson F3507g ver. 2 */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1902, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long) &cdc_info,
}, {
/* Ericsson F3607gw */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1904, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long) &cdc_info,
}, {
/* Ericsson F3307 */
USB_DEVICE_AND_INTERFACE_INFO(0x0bdb, 0x1906, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long) &cdc_info,
}, {
/* Toshiba F3507g */
USB_DEVICE_AND_INTERFACE_INFO(0x0930, 0x130b, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long) &cdc_info,
}, {
/* Dell F3507g */
USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x8147, USB_CLASS_COMM,
USB_CDC_SUBCLASS_MDLM, USB_CDC_PROTO_NONE),
.driver_info = (unsigned long) &cdc_info,
},
{ }, // END
};

7
drivers/net/usb/cdc_subset.c
View file

@ -307,9 +307,10 @@ static const struct usb_device_id products [] = {
USB_DEVICE (0x1286, 0x8001), // "blob" bootloader
.driver_info = (unsigned long) &blob_info,
}, {
// Linux Ethernet/RNDIS gadget on pxa210/25x/26x, second config
// e.g. Gumstix, current OpenZaurus, ...
USB_DEVICE_VER (0x0525, 0xa4a2, 0x0203, 0x0203),
// Linux Ethernet/RNDIS gadget, mostly on PXA, second config
// e.g. Gumstix, current OpenZaurus, ... or anything else
// that just enables this gadget option.
USB_DEVICE (0x0525, 0xa4a2),
.driver_info = (unsigned long) &linuxdev_info,
},
#endif

29
drivers/net/usb/pegasus.c
View file

@ -297,7 +297,7 @@ static int update_eth_regs_async(pegasus_t * pegasus)
pegasus->dr.bRequestType = PEGASUS_REQT_WRITE;
pegasus->dr.bRequest = PEGASUS_REQ_SET_REGS;
pegasus->dr.wValue = 0;
pegasus->dr.wValue = cpu_to_le16(0);
pegasus->dr.wIndex = cpu_to_le16(EthCtrl0);
pegasus->dr.wLength = cpu_to_le16(3);
pegasus->ctrl_urb->transfer_buffer_length = 3;
@ -446,11 +446,12 @@ static int write_eprom_word(pegasus_t * pegasus, __u8 index, __u16 data)
int i;
__u8 tmp, d[4] = { 0x3f, 0, 0, EPROM_WRITE };
int ret;
__le16 le_data = cpu_to_le16(data);
set_registers(pegasus, EpromOffset, 4, d);
enable_eprom_write(pegasus);
set_register(pegasus, EpromOffset, index);
set_registers(pegasus, EpromData, 2, &data);
set_registers(pegasus, EpromData, 2, &le_data);
set_register(pegasus, EpromCtrl, EPROM_WRITE);
for (i = 0; i < REG_TIMEOUT; i++) {
@ -923,29 +924,32 @@ static struct net_device_stats *pegasus_netdev_stats(struct net_device *dev)
static inline void disable_net_traffic(pegasus_t * pegasus)
{
int tmp = 0;
__le16 tmp = cpu_to_le16(0);
set_registers(pegasus, EthCtrl0, 2, &tmp);
set_registers(pegasus, EthCtrl0, sizeof(tmp), &tmp);
}
static inline void get_interrupt_interval(pegasus_t * pegasus)
{
__u8 data[2];
u16 data;
u8 interval;
read_eprom_word(pegasus, 4, (__u16 *) data);
read_eprom_word(pegasus, 4, &data);
interval = data >> 8;
if (pegasus->usb->speed != USB_SPEED_HIGH) {
if (data[1] < 0x80) {
if (interval < 0x80) {
if (netif_msg_timer(pegasus))
dev_info(&pegasus->intf->dev, "intr interval "
"changed from %ums to %ums\n",
data[1], 0x80);
data[1] = 0x80;
interval, 0x80);
interval = 0x80;
data = (data & 0x00FF) | ((u16)interval << 8);
#ifdef PEGASUS_WRITE_EEPROM
write_eprom_word(pegasus, 4, *(__u16 *) data);
write_eprom_word(pegasus, 4, data);
#endif
}
}
pegasus->intr_interval = data[1];
pegasus->intr_interval = interval;
}
static void set_carrier(struct net_device *net)
@ -1299,7 +1303,8 @@ static int pegasus_blacklisted(struct usb_device *udev)
/* Special quirk to keep the driver from handling the Belkin Bluetooth
* dongle which happens to have the same ID.
*/
if ((udd->idVendor == VENDOR_BELKIN && udd->idProduct == 0x0121) &&
if ((udd->idVendor == cpu_to_le16(VENDOR_BELKIN)) &&
(udd->idProduct == cpu_to_le16(0x0121)) &&
(udd->bDeviceClass == USB_CLASS_WIRELESS_CONTROLLER) &&
(udd->bDeviceProtocol == 1))
return 1;

2
drivers/net/via-velocity.c
View file

@ -1847,7 +1847,7 @@ static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_
*/
if (tdinfo->skb_dma) {
pktlen = (skb->len > ETH_ZLEN ? : ETH_ZLEN);
pktlen = max_t(unsigned int, skb->len, ETH_ZLEN);
for (i = 0; i < tdinfo->nskb_dma; i++) {
#ifdef VELOCITY_ZERO_COPY_SUPPORT
pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], le16_to_cpu(td->tdesc1.len), PCI_DMA_TODEVICE);

11
drivers/net/wireless/ath/ath5k/base.c
View file

@ -538,6 +538,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
sc->iobase = mem; /* So we can unmap it on detach */
sc->cachelsz = csz * sizeof(u32); /* convert to bytes */
sc->opmode = NL80211_IFTYPE_STATION;
sc->bintval = 1000;
mutex_init(&sc->lock);
spin_lock_init(&sc->rxbuflock);
spin_lock_init(&sc->txbuflock);
@ -686,6 +687,13 @@ ath5k_pci_resume(struct pci_dev *pdev)
if (err)
return err;
/*
* Suspend/Resume resets the PCI configuration space, so we have to
* re-disable the RETRY_TIMEOUT register (0x41) to keep
* PCI Tx retries from interfering with C3 CPU state
*/
pci_write_config_byte(pdev, 0x41, 0);
err = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
if (err) {
ATH5K_ERR(sc, "request_irq failed\n");
@ -2748,9 +2756,6 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
goto end;
}
/* Set to a reasonable value. Note that this will
* be set to mac80211's value at ath5k_config(). */
sc->bintval = 1000;
ath5k_hw_set_lladdr(sc->ah, conf->mac_addr);
ret = 0;

2
drivers/net/wireless/ath/ath9k/main.c
View file

@ -1196,8 +1196,8 @@ void ath_radio_disable(struct ath_softc *sc)
ath9k_hw_phy_disable(ah);
ath9k_hw_configpcipowersave(ah, 1);
ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
ath9k_ps_restore(sc);
ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
}
/*******************/

18
drivers/net/wireless/ath/ath9k/pci.c
View file

@ -87,6 +87,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct ath_softc *sc;
struct ieee80211_hw *hw;
u8 csz;
u32 val;
int ret = 0;
struct ath_hw *ah;
@ -133,6 +134,14 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_master(pdev);
/*
* Disable the RETRY_TIMEOUT register (0x41) to keep
* PCI Tx retries from interfering with C3 CPU state.
*/
pci_read_config_dword(pdev, 0x40, &val);
if ((val & 0x0000ff00) != 0)
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
ret = pci_request_region(pdev, 0, "ath9k");
if (ret) {
dev_err(&pdev->dev, "PCI memory region reserve error\n");
@ -239,12 +248,21 @@ static int ath_pci_resume(struct pci_dev *pdev)
struct ieee80211_hw *hw = pci_get_drvdata(pdev);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
u32 val;
int err;
err = pci_enable_device(pdev);
if (err)
return err;
pci_restore_state(pdev);
/*
* Suspend/Resume resets the PCI configuration space, so we have to
* re-disable the RETRY_TIMEOUT register (0x41) to keep
* PCI Tx retries from interfering with C3 CPU state
*/
pci_read_config_dword(pdev, 0x40, &val);
if ((val & 0x0000ff00) != 0)
pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
/* Enable LED */
ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,

7
drivers/net/wireless/ath/ath9k/recv.c
View file

@ -539,11 +539,14 @@ static void ath_rx_ps_beacon(struct ath_softc *sc, struct sk_buff *skb)
if (ath_beacon_dtim_pending_cab(skb)) {
/*
* Remain awake waiting for buffered broadcast/multicast
* frames.
* frames. If the last broadcast/multicast frame is not
* received properly, the next beacon frame will work as
* a backup trigger for returning into NETWORK SLEEP state,
* so we are waiting for it as well.
*/
DPRINTF(sc, ATH_DBG_PS, "Received DTIM beacon indicating "
"buffered broadcast/multicast frame(s)\n");
sc->sc_flags |= SC_OP_WAIT_FOR_CAB;
sc->sc_flags |= SC_OP_WAIT_FOR_CAB | SC_OP_WAIT_FOR_BEACON;
return;
}

4
drivers/net/wireless/iwmc3200wifi/iwm.h
View file

@ -288,6 +288,7 @@ struct iwm_priv {
u8 *eeprom;
struct timer_list watchdog;
struct work_struct reset_worker;
struct mutex mutex;
struct rfkill *rfkill;
char private[0] __attribute__((__aligned__(NETDEV_ALIGN)));
@ -315,8 +316,11 @@ extern const struct iw_handler_def iwm_iw_handler_def;
void *iwm_if_alloc(int sizeof_bus, struct device *dev,
struct iwm_if_ops *if_ops);
void iwm_if_free(struct iwm_priv *iwm);
int iwm_if_add(struct iwm_priv *iwm);
void iwm_if_remove(struct iwm_priv *iwm);
int iwm_mode_to_nl80211_iftype(int mode);
int iwm_priv_init(struct iwm_priv *iwm);
void iwm_priv_deinit(struct iwm_priv *iwm);
void iwm_reset(struct iwm_priv *iwm);
void iwm_tx_credit_init_pools(struct iwm_priv *iwm,
struct iwm_umac_notif_alive *alive);

64
drivers/net/wireless/iwmc3200wifi/main.c
View file

@ -112,6 +112,9 @@ static void iwm_statistics_request(struct work_struct *work)
iwm_send_umac_stats_req(iwm, 0);
}
int __iwm_up(struct iwm_priv *iwm);
int __iwm_down(struct iwm_priv *iwm);
static void iwm_reset_worker(struct work_struct *work)
{
struct iwm_priv *iwm;
@ -120,6 +123,19 @@ static void iwm_reset_worker(struct work_struct *work)
iwm = container_of(work, struct iwm_priv, reset_worker);
/*
* XXX: The iwm->mutex is introduced purely for this reset work,
* because the other users for iwm_up and iwm_down are only netdev
* ndo_open and ndo_stop which are already protected by rtnl.
* Please remove iwm->mutex together if iwm_reset_worker() is not
* required in the future.
*/
if (!mutex_trylock(&iwm->mutex)) {
IWM_WARN(iwm, "We are in the middle of interface bringing "
"UP/DOWN. Skip driver resetting.\n");
return;
}
if (iwm->umac_profile_active) {
profile = kmalloc(sizeof(struct iwm_umac_profile), GFP_KERNEL);
if (profile)
@ -128,10 +144,10 @@ static void iwm_reset_worker(struct work_struct *work)
IWM_ERR(iwm, "Couldn't alloc memory for profile\n");
}
iwm_down(iwm);
__iwm_down(iwm);
while (retry++ < 3) {
ret = iwm_up(iwm);
ret = __iwm_up(iwm);
if (!ret)
break;
@ -142,7 +158,7 @@ static void iwm_reset_worker(struct work_struct *work)
IWM_WARN(iwm, "iwm_up() failed: %d\n", ret);
kfree(profile);
return;
goto out;
}
if (profile) {
@ -151,6 +167,9 @@ static void iwm_reset_worker(struct work_struct *work)
iwm_send_mlme_profile(iwm);
kfree(profile);
}
out:
mutex_unlock(&iwm->mutex);
}
static void iwm_watchdog(unsigned long data)
@ -215,10 +234,21 @@ int iwm_priv_init(struct iwm_priv *iwm)
init_timer(&iwm->watchdog);
iwm->watchdog.function = iwm_watchdog;
iwm->watchdog.data = (unsigned long)iwm;
mutex_init(&iwm->mutex);
return 0;
}
void iwm_priv_deinit(struct iwm_priv *iwm)
{
int i;
for (i = 0; i < IWM_TX_QUEUES; i++)
destroy_workqueue(iwm->txq[i].wq);
destroy_workqueue(iwm->rx_wq);
}
/*
* We reset all the structures, and we reset the UMAC.
* After calling this routine, you're expected to reload
@ -466,7 +496,7 @@ void iwm_link_off(struct iwm_priv *iwm)
iwm_rx_free(iwm);
cancel_delayed_work(&iwm->stats_request);
cancel_delayed_work_sync(&iwm->stats_request);
memset(wstats, 0, sizeof(struct iw_statistics));
wstats->qual.updated = IW_QUAL_ALL_INVALID;
@ -511,7 +541,7 @@ static int iwm_channels_init(struct iwm_priv *iwm)
return 0;
}
int iwm_up(struct iwm_priv *iwm)
int __iwm_up(struct iwm_priv *iwm)
{
int ret;
struct iwm_notif *notif_reboot, *notif_ack = NULL;
@ -647,7 +677,18 @@ int iwm_up(struct iwm_priv *iwm)
return -EIO;
}
int iwm_down(struct iwm_priv *iwm)
int iwm_up(struct iwm_priv *iwm)
{
int ret;
mutex_lock(&iwm->mutex);
ret = __iwm_up(iwm);
mutex_unlock(&iwm->mutex);
return ret;
}
int __iwm_down(struct iwm_priv *iwm)
{
int ret;
@ -678,3 +719,14 @@ int iwm_down(struct iwm_priv *iwm)
return 0;
}
int iwm_down(struct iwm_priv *iwm)
{
int ret;
mutex_lock(&iwm->mutex);
ret = __iwm_down(iwm);
mutex_unlock(&iwm->mutex);
return ret;
}

49
drivers/net/wireless/iwmc3200wifi/netdev.c
View file

@ -114,32 +114,31 @@ void *iwm_if_alloc(int sizeof_bus, struct device *dev,
iwm = wdev_to_iwm(wdev);
iwm->bus_ops = if_ops;
iwm->wdev = wdev;
iwm_priv_init(iwm);
ret = iwm_priv_init(iwm);
if (ret) {
dev_err(dev, "failed to init iwm_priv\n");
goto out_wdev;
}
wdev->iftype = iwm_mode_to_nl80211_iftype(iwm->conf.mode);
ndev = alloc_netdev_mq(0, "wlan%d", ether_setup,
IWM_TX_QUEUES);
ndev = alloc_netdev_mq(0, "wlan%d", ether_setup, IWM_TX_QUEUES);
if (!ndev) {
dev_err(dev, "no memory for network device instance\n");
goto out_wdev;
goto out_priv;
}
ndev->netdev_ops = &iwm_netdev_ops;
ndev->wireless_handlers = &iwm_iw_handler_def;
ndev->ieee80211_ptr = wdev;
SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy));
ret = register_netdev(ndev);
if (ret < 0) {
dev_err(dev, "Failed to register netdev: %d\n", ret);
goto out_ndev;
}
wdev->netdev = ndev;
return iwm;
out_ndev:
free_netdev(ndev);
out_priv:
iwm_priv_deinit(iwm);
out_wdev:
iwm_wdev_free(iwm);
@ -148,15 +147,29 @@ void *iwm_if_alloc(int sizeof_bus, struct device *dev,
void iwm_if_free(struct iwm_priv *iwm)
{
int i;
if (!iwm_to_ndev(iwm))
return;
unregister_netdev(iwm_to_ndev(iwm));
free_netdev(iwm_to_ndev(iwm));
iwm_wdev_free(iwm);
destroy_workqueue(iwm->rx_wq);
for (i = 0; i < IWM_TX_QUEUES; i++)
destroy_workqueue(iwm->txq[i].wq);
iwm_priv_deinit(iwm);
}
int iwm_if_add(struct iwm_priv *iwm)
{
struct net_device *ndev = iwm_to_ndev(iwm);
int ret;
ret = register_netdev(ndev);
if (ret < 0) {
dev_err(&ndev->dev, "Failed to register netdev: %d\n", ret);
return ret;
}
return 0;
}
void iwm_if_remove(struct iwm_priv *iwm)
{
unregister_netdev(iwm_to_ndev(iwm));
}

11
drivers/net/wireless/iwmc3200wifi/sdio.c
View file

@ -454,10 +454,18 @@ static int iwm_sdio_probe(struct sdio_func *func,
INIT_WORK(&hw->isr_worker, iwm_sdio_isr_worker);
ret = iwm_if_add(iwm);
if (ret) {
dev_err(dev, "add SDIO interface failed\n");
goto destroy_wq;
}
dev_info(dev, "IWM SDIO probe\n");
return 0;
destroy_wq:
destroy_workqueue(hw->isr_wq);
debugfs_exit:
iwm_debugfs_exit(iwm);
if_free:
@ -471,9 +479,10 @@ static void iwm_sdio_remove(struct sdio_func *func)
struct iwm_priv *iwm = hw_to_iwm(hw);
struct device *dev = &func->dev;
iwm_if_remove(iwm);
destroy_workqueue(hw->isr_wq);
iwm_debugfs_exit(iwm);
iwm_if_free(iwm);
destroy_workqueue(hw->isr_wq);
sdio_set_drvdata(func, NULL);

1
drivers/net/wireless/zd1211rw/zd_usb.c
View file

@ -67,6 +67,7 @@ static struct usb_device_id usb_ids[] = {
{ USB_DEVICE(0x079b, 0x0062), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x1582, 0x6003), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x050d, 0x705c), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x083a, 0xe503), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x083a, 0xe506), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x083a, 0x4505), .driver_info = DEVICE_ZD1211B },
{ USB_DEVICE(0x0471, 0x1236), .driver_info = DEVICE_ZD1211B },