X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fucc_geth.c;h=7d5a1303e30d2976aa518c161bcec2f281000339;hb=96faec945f39cab38403f60f515bff43660b4dab;hp=3d1966c34d29c55052d6e8bf71b7af9f9d35f652;hpb=67c2fb8ff0eda3cee95954a1dd245c3ce1a10486;p=linux-2.6-omap-h63xx.git diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 3d1966c34d2..7d5a1303e30 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -188,17 +188,6 @@ static void mem_disp(u8 *addr, int size) } #endif /* DEBUG */ -#ifdef CONFIG_UGETH_FILTERING -static void enqueue(struct list_head *node, struct list_head *lh) -{ - unsigned long flags; - - spin_lock_irqsave(&ugeth_lock, flags); - list_add_tail(node, lh); - spin_unlock_irqrestore(&ugeth_lock, flags); -} -#endif /* CONFIG_UGETH_FILTERING */ - static struct list_head *dequeue(struct list_head *lh) { unsigned long flags; @@ -391,23 +380,6 @@ static int dump_init_enet_entries(struct ucc_geth_private *ugeth, } #endif -#ifdef CONFIG_UGETH_FILTERING -static struct enet_addr_container *get_enet_addr_container(void) -{ - struct enet_addr_container *enet_addr_cont; - - /* allocate memory */ - enet_addr_cont = kmalloc(sizeof(struct enet_addr_container), GFP_KERNEL); - if (!enet_addr_cont) { - ugeth_err("%s: No memory for enet_addr_container object.", - __func__); - return NULL; - } - - return enet_addr_cont; -} -#endif /* CONFIG_UGETH_FILTERING */ - static void put_enet_addr_container(struct enet_addr_container *enet_addr_cont) { kfree(enet_addr_cont); @@ -420,28 +392,6 @@ static void set_mac_addr(__be16 __iomem *reg, u8 *mac) out_be16(®[2], ((u16)mac[1] << 8) | mac[0]); } -#ifdef CONFIG_UGETH_FILTERING -static int hw_add_addr_in_paddr(struct ucc_geth_private *ugeth, - u8 *p_enet_addr, u8 paddr_num) -{ - struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt; - - if (!(paddr_num < NUM_OF_PADDRS)) { - ugeth_warn("%s: Illegal paddr_num.", __func__); - return -EINVAL; - } - - p_82xx_addr_filt = - (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram-> - addressfiltering; - - /* Ethernet frames are defined in Little Endian mode, */ - /* therefore to insert the address we reverse the bytes. */ - set_mac_addr(&p_82xx_addr_filt->paddr[paddr_num].h, p_enet_addr); - return 0; -} -#endif /* CONFIG_UGETH_FILTERING */ - static int hw_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num) { struct ucc_geth_82xx_address_filtering_pram __iomem *p_82xx_addr_filt; @@ -1802,196 +1752,6 @@ static void ugeth_dump_regs(struct ucc_geth_private *ugeth) #endif } -#ifdef CONFIG_UGETH_FILTERING -static int ugeth_ext_filtering_serialize_tad(struct ucc_geth_tad_params * - p_UccGethTadParams, - struct qe_fltr_tad *qe_fltr_tad) -{ - u16 temp; - - /* Zero serialized TAD */ - memset(qe_fltr_tad, 0, QE_FLTR_TAD_SIZE); - - qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_V; /* Must have this */ - if (p_UccGethTadParams->rx_non_dynamic_extended_features_mode || - (p_UccGethTadParams->vtag_op != UCC_GETH_VLAN_OPERATION_TAGGED_NOP) - || (p_UccGethTadParams->vnontag_op != - UCC_GETH_VLAN_OPERATION_NON_TAGGED_NOP) - ) - qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_EF; - if (p_UccGethTadParams->reject_frame) - qe_fltr_tad->serialized[0] |= UCC_GETH_TAD_REJ; - temp = - (u16) (((u16) p_UccGethTadParams-> - vtag_op) << UCC_GETH_TAD_VTAG_OP_SHIFT); - qe_fltr_tad->serialized[0] |= (u8) (temp >> 8); /* upper bits */ - - qe_fltr_tad->serialized[1] |= (u8) (temp & 0x00ff); /* lower bits */ - if (p_UccGethTadParams->vnontag_op == - UCC_GETH_VLAN_OPERATION_NON_TAGGED_Q_TAG_INSERT) - qe_fltr_tad->serialized[1] |= UCC_GETH_TAD_V_NON_VTAG_OP; - qe_fltr_tad->serialized[1] |= - p_UccGethTadParams->rqos << UCC_GETH_TAD_RQOS_SHIFT; - - qe_fltr_tad->serialized[2] |= - p_UccGethTadParams->vpri << UCC_GETH_TAD_V_PRIORITY_SHIFT; - /* upper bits */ - qe_fltr_tad->serialized[2] |= (u8) (p_UccGethTadParams->vid >> 8); - /* lower bits */ - qe_fltr_tad->serialized[3] |= (u8) (p_UccGethTadParams->vid & 0x00ff); - - return 0; -} - -static struct enet_addr_container_t - *ugeth_82xx_filtering_get_match_addr_in_hash(struct ucc_geth_private *ugeth, - struct enet_addr *p_enet_addr) -{ - struct enet_addr_container *enet_addr_cont; - struct list_head *p_lh; - u16 i, num; - int32_t j; - u8 *p_counter; - - if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) { - p_lh = &ugeth->group_hash_q; - p_counter = &(ugeth->numGroupAddrInHash); - } else { - p_lh = &ugeth->ind_hash_q; - p_counter = &(ugeth->numIndAddrInHash); - } - - if (!p_lh) - return NULL; - - num = *p_counter; - - for (i = 0; i < num; i++) { - enet_addr_cont = - (struct enet_addr_container *) - ENET_ADDR_CONT_ENTRY(dequeue(p_lh)); - for (j = ENET_NUM_OCTETS_PER_ADDRESS - 1; j >= 0; j--) { - if ((*p_enet_addr)[j] != (enet_addr_cont->address)[j]) - break; - if (j == 0) - return enet_addr_cont; /* Found */ - } - enqueue(p_lh, &enet_addr_cont->node); /* Put it back */ - } - return NULL; -} - -static int ugeth_82xx_filtering_add_addr_in_hash(struct ucc_geth_private *ugeth, - struct enet_addr *p_enet_addr) -{ - enum ucc_geth_enet_address_recognition_location location; - struct enet_addr_container *enet_addr_cont; - struct list_head *p_lh; - u8 i; - u32 limit; - u8 *p_counter; - - if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) { - p_lh = &ugeth->group_hash_q; - limit = ugeth->ug_info->maxGroupAddrInHash; - location = - UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_GROUP_HASH; - p_counter = &(ugeth->numGroupAddrInHash); - } else { - p_lh = &ugeth->ind_hash_q; - limit = ugeth->ug_info->maxIndAddrInHash; - location = - UCC_GETH_ENET_ADDRESS_RECOGNITION_LOCATION_INDIVIDUAL_HASH; - p_counter = &(ugeth->numIndAddrInHash); - } - - if ((enet_addr_cont = - ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) { - list_add(p_lh, &enet_addr_cont->node); /* Put it back */ - return 0; - } - if ((!p_lh) || (!(*p_counter < limit))) - return -EBUSY; - if (!(enet_addr_cont = get_enet_addr_container())) - return -ENOMEM; - for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++) - (enet_addr_cont->address)[i] = (*p_enet_addr)[i]; - enet_addr_cont->location = location; - enqueue(p_lh, &enet_addr_cont->node); /* Put it back */ - ++(*p_counter); - - hw_add_addr_in_hash(ugeth, enet_addr_cont->address); - return 0; -} - -static int ugeth_82xx_filtering_clear_addr_in_hash(struct ucc_geth_private *ugeth, - struct enet_addr *p_enet_addr) -{ - struct ucc_geth_82xx_address_filtering_pram *p_82xx_addr_filt; - struct enet_addr_container *enet_addr_cont; - struct ucc_fast_private *uccf; - enum comm_dir comm_dir; - u16 i, num; - struct list_head *p_lh; - u32 *addr_h, *addr_l; - u8 *p_counter; - - uccf = ugeth->uccf; - - p_82xx_addr_filt = - (struct ucc_geth_82xx_address_filtering_pram *) ugeth->p_rx_glbl_pram-> - addressfiltering; - - if (! - (enet_addr_cont = - ugeth_82xx_filtering_get_match_addr_in_hash(ugeth, p_enet_addr))) - return -ENOENT; - - /* It's been found and removed from the CQ. */ - /* Now destroy its container */ - put_enet_addr_container(enet_addr_cont); - - if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) { - addr_h = &(p_82xx_addr_filt->gaddr_h); - addr_l = &(p_82xx_addr_filt->gaddr_l); - p_lh = &ugeth->group_hash_q; - p_counter = &(ugeth->numGroupAddrInHash); - } else { - addr_h = &(p_82xx_addr_filt->iaddr_h); - addr_l = &(p_82xx_addr_filt->iaddr_l); - p_lh = &ugeth->ind_hash_q; - p_counter = &(ugeth->numIndAddrInHash); - } - - comm_dir = 0; - if (uccf->enabled_tx) - comm_dir |= COMM_DIR_TX; - if (uccf->enabled_rx) - comm_dir |= COMM_DIR_RX; - if (comm_dir) - ugeth_disable(ugeth, comm_dir); - - /* Clear the hash table. */ - out_be32(addr_h, 0x00000000); - out_be32(addr_l, 0x00000000); - - /* Add all remaining CQ elements back into hash */ - num = --(*p_counter); - for (i = 0; i < num; i++) { - enet_addr_cont = - (struct enet_addr_container *) - ENET_ADDR_CONT_ENTRY(dequeue(p_lh)); - hw_add_addr_in_hash(ugeth, enet_addr_cont->address); - enqueue(p_lh, &enet_addr_cont->node); /* Put it back */ - } - - if (comm_dir) - ugeth_enable(ugeth, comm_dir); - - return 0; -} -#endif /* CONFIG_UGETH_FILTERING */ - static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private * ugeth, enum enet_addr_type @@ -2054,28 +1814,6 @@ static int ugeth_82xx_filtering_clear_all_addr_in_hash(struct ucc_geth_private * return 0; } -#ifdef CONFIG_UGETH_FILTERING -static int ugeth_82xx_filtering_add_addr_in_paddr(struct ucc_geth_private *ugeth, - struct enet_addr *p_enet_addr, - u8 paddr_num) -{ - int i; - - if ((*p_enet_addr)[0] & ENET_GROUP_ADDR) - ugeth_warn - ("%s: multicast address added to paddr will have no " - "effect - is this what you wanted?", - __func__); - - ugeth->indAddrRegUsed[paddr_num] = 1; /* mark this paddr as used */ - /* store address in our database */ - for (i = 0; i < ENET_NUM_OCTETS_PER_ADDRESS; i++) - ugeth->paddr[paddr_num][i] = (*p_enet_addr)[i]; - /* put in hardware */ - return hw_add_addr_in_paddr(ugeth, p_enet_addr, paddr_num); -} -#endif /* CONFIG_UGETH_FILTERING */ - static int ugeth_82xx_filtering_clear_addr_in_paddr(struct ucc_geth_private *ugeth, u8 paddr_num) { @@ -2218,7 +1956,10 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth) while (!list_empty(&ugeth->ind_hash_q)) put_enet_addr_container(ENET_ADDR_CONT_ENTRY (dequeue(&ugeth->ind_hash_q))); - + if (ugeth->ug_regs) { + iounmap(ugeth->ug_regs); + ugeth->ug_regs = NULL; + } } static void ucc_geth_set_multi(struct net_device *dev) @@ -2420,11 +2161,15 @@ static int ucc_struct_init(struct ucc_geth_private *ugeth) if (ucc_fast_init(uf_info, &ugeth->uccf)) { if (netif_msg_probe(ugeth)) ugeth_err("%s: Failed to init uccf.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } - ugeth->ug_regs = (struct ucc_geth __iomem *) ioremap(uf_info->regs, sizeof(struct ucc_geth)); + ugeth->ug_regs = ioremap(uf_info->regs, sizeof(*ugeth->ug_regs)); + if (!ugeth->ug_regs) { + if (netif_msg_probe(ugeth)) + ugeth_err("%s: Failed to ioremap regs.", __func__); + return -ENOMEM; + } return 0; } @@ -2476,7 +2221,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Bad number of Rx threads value.", __func__); - ucc_geth_memclean(ugeth); return -EINVAL; break; } @@ -2501,7 +2245,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Bad number of Tx threads value.", __func__); - ucc_geth_memclean(ugeth); return -EINVAL; break; } @@ -2555,7 +2298,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: IPGIFG initialization parameter too large.", __func__); - ucc_geth_memclean(ugeth); return ret_val; } @@ -2573,7 +2315,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Half Duplex initialization parameter too large.", __func__); - ucc_geth_memclean(ugeth); return ret_val; } @@ -2628,7 +2369,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate memory for Tx bd rings.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } /* Zero unused end of bd ring, according to spec */ @@ -2664,7 +2404,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate memory for Rx bd rings.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } } @@ -2680,7 +2419,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Could not allocate tx_skbuff", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } @@ -2712,7 +2450,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Could not allocate rx_skbuff", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } @@ -2746,7 +2483,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for p_tx_glbl_pram.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } ugeth->p_tx_glbl_pram = @@ -2769,7 +2505,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for p_thread_data_tx.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } @@ -2799,7 +2534,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for p_send_q_mem_reg.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } @@ -2843,7 +2577,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for p_scheduler.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } @@ -2894,7 +2627,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ("%s: Can not allocate DPRAM memory for" " p_tx_fw_statistics_pram.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } ugeth->p_tx_fw_statistics_pram = @@ -2934,7 +2666,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for p_rx_glbl_pram.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } ugeth->p_rx_glbl_pram = @@ -2956,7 +2687,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for p_thread_data_rx.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } @@ -2980,7 +2710,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for" " p_rx_fw_statistics_pram.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } ugeth->p_rx_fw_statistics_pram = @@ -3003,7 +2732,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for" " p_rx_irq_coalescing_tbl.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } @@ -3072,7 +2800,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for p_rx_bd_qs_tbl.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } @@ -3149,7 +2876,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Null Extended Filtering Chain Pointer.", __func__); - ucc_geth_memclean(ugeth); return -EINVAL; } @@ -3163,7 +2889,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for" " p_exf_glbl_param.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } @@ -3211,7 +2936,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate memory for" " p_UccInitEnetParamShadows.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } /* Zero out *p_init_enet_param_shadow */ @@ -3246,7 +2970,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Invalid largest External Lookup Key Size.", __func__); - ucc_geth_memclean(ugeth); return -EINVAL; } ugeth->p_init_enet_param_shadow->largestexternallookupkeysize = @@ -3273,7 +2996,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Can not fill p_init_enet_param_shadow.", __func__); - ucc_geth_memclean(ugeth); return ret_val; } @@ -3289,7 +3011,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Can not fill p_init_enet_param_shadow.", __func__); - ucc_geth_memclean(ugeth); return ret_val; } @@ -3299,7 +3020,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Can not fill Rx bds with buffers.", __func__); - ucc_geth_memclean(ugeth); return ret_val; } } @@ -3311,7 +3031,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) ugeth_err ("%s: Can not allocate DPRAM memory for p_init_enet_pram.", __func__); - ucc_geth_memclean(ugeth); return -ENOMEM; } p_init_enet_pram = @@ -3353,48 +3072,6 @@ static int ucc_geth_startup(struct ucc_geth_private *ugeth) return 0; } -static int ucc_geth_close(struct net_device *dev); -static int ucc_geth_open(struct net_device *dev); - -/* Reopen device. This will reset the MAC and PHY. */ -static void ucc_geth_timeout_work(struct work_struct *work) -{ - struct ucc_geth_private *ugeth; - struct net_device *dev; - - ugeth = container_of(work, struct ucc_geth_private, timeout_work); - dev = ugeth->dev; - - ugeth_vdbg("%s: IN", __func__); - - dev->stats.tx_errors++; - - ugeth_dump_regs(ugeth); - - if (dev->flags & IFF_UP) { - /* - * Must reset MAC *and* PHY. This is done by reopening - * the device. - */ - ucc_geth_close(dev); - ucc_geth_open(dev); - } - - netif_tx_schedule_all(dev); -} - -/* - * ucc_geth_timeout gets called when a packet has not been - * transmitted after a set amount of time. - */ -static void ucc_geth_timeout(struct net_device *dev) -{ - struct ucc_geth_private *ugeth = netdev_priv(dev); - - netif_carrier_off(dev); - schedule_work(&ugeth->timeout_work); -} - /* This is called by the kernel when a frame is ready for transmission. */ /* It is pointed to by the dev->hard_start_xmit function pointer */ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) @@ -3611,7 +3288,7 @@ static int ucc_geth_poll(struct napi_struct *napi, int budget) struct ucc_fast_private *uccf; u32 uccm; - netif_rx_complete(dev, napi); + netif_rx_complete(napi); uccf = ugeth->uccf; uccm = in_be32(uccf->p_uccm); uccm |= UCCE_RX_EVENTS; @@ -3645,10 +3322,10 @@ static irqreturn_t ucc_geth_irq_handler(int irq, void *info) /* check for receive events that require processing */ if (ucce & UCCE_RX_EVENTS) { - if (netif_rx_schedule_prep(dev, &ugeth->napi)) { + if (netif_rx_schedule_prep(&ugeth->napi)) { uccm &= ~UCCE_RX_EVENTS; out_be32(uccf->p_uccm, uccm); - __netif_rx_schedule(dev, &ugeth->napi); + __netif_rx_schedule(&ugeth->napi); } } @@ -3716,7 +3393,7 @@ static int ucc_geth_open(struct net_device *dev) if (err) { if (netif_msg_ifup(ugeth)) ugeth_err("%s: Cannot configure internal struct, aborting.", dev->name); - return err; + goto out_err_stop; } napi_enable(&ugeth->napi); @@ -3761,7 +3438,6 @@ static int ucc_geth_open(struct net_device *dev) if (err) { if (netif_msg_ifup(ugeth)) ugeth_err("%s: Cannot enable net device, aborting.", dev->name); - ucc_geth_stop(ugeth); goto out_err; } @@ -3771,7 +3447,6 @@ static int ucc_geth_open(struct net_device *dev) if (netif_msg_ifup(ugeth)) ugeth_err("%s: Cannot get IRQ for net device, aborting.", dev->name); - ucc_geth_stop(ugeth); goto out_err; } @@ -3781,7 +3456,8 @@ static int ucc_geth_open(struct net_device *dev) out_err: napi_disable(&ugeth->napi); - +out_err_stop: + ucc_geth_stop(ugeth); return err; } @@ -3806,6 +3482,45 @@ static int ucc_geth_close(struct net_device *dev) return 0; } +/* Reopen device. This will reset the MAC and PHY. */ +static void ucc_geth_timeout_work(struct work_struct *work) +{ + struct ucc_geth_private *ugeth; + struct net_device *dev; + + ugeth = container_of(work, struct ucc_geth_private, timeout_work); + dev = ugeth->dev; + + ugeth_vdbg("%s: IN", __func__); + + dev->stats.tx_errors++; + + ugeth_dump_regs(ugeth); + + if (dev->flags & IFF_UP) { + /* + * Must reset MAC *and* PHY. This is done by reopening + * the device. + */ + ucc_geth_close(dev); + ucc_geth_open(dev); + } + + netif_tx_schedule_all(dev); +} + +/* + * ucc_geth_timeout gets called when a packet has not been + * transmitted after a set amount of time. + */ +static void ucc_geth_timeout(struct net_device *dev) +{ + struct ucc_geth_private *ugeth = netdev_priv(dev); + + netif_carrier_off(dev); + schedule_work(&ugeth->timeout_work); +} + static phy_interface_t to_phy_interface(const char *phy_connection_type) { if (strcasecmp(phy_connection_type, "mii") == 0)