diff options
Diffstat (limited to 'drivers/net')
27 files changed, 814 insertions, 429 deletions
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h index b4bb06fdf30..f703758f0a6 100644 --- a/drivers/net/benet/be.h +++ b/drivers/net/benet/be.h @@ -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 */ diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index d444aed962b..583517ed56f 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -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; } diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h index e499e2d5b8c..747626da7b4 100644 --- a/drivers/net/benet/be_cmds.h +++ b/drivers/net/benet/be_cmds.h @@ -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); diff --git a/drivers/net/benet/be_hw.h b/drivers/net/benet/be_hw.h index b132aa4893c..b02e805c1db 100644 --- a/drivers/net/benet/be_hw.h +++ b/drivers/net/benet/be_hw.h @@ -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. diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index 66bb56874d9..66c10c87f51 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -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) +static void be_set_multicast_list(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; + struct be_ctrl_info *ctrl = &adapter->ctrl; - if (netdev->flags & IFF_ALLMULTI) { - /* set BE in Multicast promiscuous */ - be_cmd_mcast_mac_set(&adapter->ctrl, - adapter->if_handle, NULL, 0, true); - return; + if (netdev->flags & IFF_PROMISC) { + be_cmd_promiscuous_config(ctrl, adapter->port_num, 1); + adapter->promiscuous = true; + goto done; } - 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; - } - + /* BE was previously in promiscous mode; disable it */ + if (adapter->promiscuous) { + adapter->promiscuous = false; + be_cmd_promiscuous_config(ctrl, adapter->port_num, 0); } - if (i) { - /* reset the promiscuous mode also. */ - be_cmd_mcast_mac_set(&adapter->ctrl, - adapter->if_handle, &mac_addr[0][0], i, false); + if (netdev->flags & IFF_ALLMULTI) { + be_cmd_multicast_set(ctrl, adapter->if_handle, NULL, 0); + goto done; } -} -static void be_set_multicast_list(struct net_device *netdev) -{ - struct be_adapter *adapter = netdev_priv(netdev); - - 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_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); - - 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); + status = be_mcc_queues_create(adapter); + if (status != 0) + goto rx_qs_destroy; - 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(); } diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 677f60490f6..679885a122b 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -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); diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c index e02bafdd368..93f4abd990a 100644 --- a/drivers/net/mlx4/en_netdev.c +++ b/drivers/net/mlx4/en_netdev.c @@ -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); diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c index 5a14899c1e2..91bdfdfd431 100644 --- a/drivers/net/mlx4/en_rx.c +++ b/drivers/net/mlx4/en_rx.c @@ -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; } diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c index 5dc7466ad03..08c43f2ae72 100644 --- a/drivers/net/mlx4/en_tx.c +++ b/drivers/net/mlx4/en_tx.c @@ -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; } diff --git a/drivers/net/mlx4/mlx4_en.h b/drivers/net/mlx4/mlx4_en.h index d43a9e4c2ae..c7c5e86804f 100644 --- a/drivers/net/mlx4/mlx4_en.h +++ b/drivers/net/mlx4/mlx4_en.h @@ -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); diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 745ae8b4a2e..0f32db3e92a 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -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); } diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c index 8a823ecc99a..bbc6d4d3cc9 100644 --- a/drivers/net/qla3xxx.c +++ b/drivers/net/qla3xxx.c @@ -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); diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 4e22462684c..4b53b58d75f 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -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; diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig index 3717569828b..a906d399813 100644 --- a/drivers/net/usb/Kconfig +++ b/drivers/net/usb/Kconfig @@ -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 diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index 01fd528306e..4a6aff57940 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -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 }; diff --git a/drivers/net/usb/cdc_subset.c b/drivers/net/usb/cdc_subset.c index c66b9c324f5..ca39ace0b0e 100644 --- a/drivers/net/usb/cdc_subset.c +++ b/drivers/net/usb/cdc_subset.c @@ -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 diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index 2138535f233..73acbd244aa 100644 --- a/drivers/net/usb/pegasus.c +++ b/drivers/net/usb/pegasus.c @@ -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; diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index b02f7adff5d..3ba35956327 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -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); diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 55f7de09d13..ea045151f95 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -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; diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 9f49a3251d4..66a6c1f5022 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -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); } /*******************/ diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index ccdf20a2e9b..170c5b32e49 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -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, diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index f99f3a76df3..cece1c4c6bd 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -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; } diff --git a/drivers/net/wireless/iwmc3200wifi/iwm.h b/drivers/net/wireless/iwmc3200wifi/iwm.h index 635c16ee618..77c339f8516 100644 --- a/drivers/net/wireless/iwmc3200wifi/iwm.h +++ b/drivers/net/wireless/iwmc3200wifi/iwm.h @@ -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); diff --git a/drivers/net/wireless/iwmc3200wifi/main.c b/drivers/net/wireless/iwmc3200wifi/main.c index 6a2640f16b6..8be206d5822 100644 --- a/drivers/net/wireless/iwmc3200wifi/main.c +++ b/drivers/net/wireless/iwmc3200wifi/main.c @@ -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; +} diff --git a/drivers/net/wireless/iwmc3200wifi/netdev.c b/drivers/net/wireless/iwmc3200wifi/netdev.c index 68e2c3b6c7a..aaa20c6885c 100644 --- a/drivers/net/wireless/iwmc3200wifi/netdev.c +++ b/drivers/net/wireless/iwmc3200wifi/netdev.c @@ -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)); } diff --git a/drivers/net/wireless/iwmc3200wifi/sdio.c b/drivers/net/wireless/iwmc3200wifi/sdio.c index b54da677b37..916681837fd 100644 --- a/drivers/net/wireless/iwmc3200wifi/sdio.c +++ b/drivers/net/wireless/iwmc3200wifi/sdio.c @@ -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); diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index f0e5e943f6e..14a19baff21 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -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 }, |