diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
-rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 1003 |
1 files changed, 294 insertions, 709 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index ccf3436024bc..a22cf932ca35 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -62,14 +62,18 @@ #include <net/netevent.h> #include <net/addrconf.h> #include <net/bonding.h> +#include <net/addrconf.h> #include <asm/uaccess.h> #include "cxgb4.h" #include "t4_regs.h" +#include "t4_values.h" #include "t4_msg.h" #include "t4fw_api.h" +#include "t4fw_version.h" #include "cxgb4_dcb.h" #include "cxgb4_debugfs.h" +#include "clip_tbl.h" #include "l2t.h" #ifdef DRV_VERSION @@ -78,99 +82,6 @@ #define DRV_VERSION "2.0.0-ko" #define DRV_DESC "Chelsio T4/T5 Network Driver" -/* - * Max interrupt hold-off timer value in us. Queues fall back to this value - * under extreme memory pressure so it's largish to give the system time to - * recover. - */ -#define MAX_SGE_TIMERVAL 200U - -enum { - /* - * Physical Function provisioning constants. - */ - PFRES_NVI = 4, /* # of Virtual Interfaces */ - PFRES_NETHCTRL = 128, /* # of EQs used for ETH or CTRL Qs */ - PFRES_NIQFLINT = 128, /* # of ingress Qs/w Free List(s)/intr - */ - PFRES_NEQ = 256, /* # of egress queues */ - PFRES_NIQ = 0, /* # of ingress queues */ - PFRES_TC = 0, /* PCI-E traffic class */ - PFRES_NEXACTF = 128, /* # of exact MPS filters */ - - PFRES_R_CAPS = FW_CMD_CAP_PF, - PFRES_WX_CAPS = FW_CMD_CAP_PF, - -#ifdef CONFIG_PCI_IOV - /* - * Virtual Function provisioning constants. We need two extra Ingress - * Queues with Interrupt capability to serve as the VF's Firmware - * Event Queue and Forwarded Interrupt Queue (when using MSI mode) -- - * neither will have Free Lists associated with them). For each - * Ethernet/Control Egress Queue and for each Free List, we need an - * Egress Context. - */ - VFRES_NPORTS = 1, /* # of "ports" per VF */ - VFRES_NQSETS = 2, /* # of "Queue Sets" per VF */ - - VFRES_NVI = VFRES_NPORTS, /* # of Virtual Interfaces */ - VFRES_NETHCTRL = VFRES_NQSETS, /* # of EQs used for ETH or CTRL Qs */ - VFRES_NIQFLINT = VFRES_NQSETS+2,/* # of ingress Qs/w Free List(s)/intr */ - VFRES_NEQ = VFRES_NQSETS*2, /* # of egress queues */ - VFRES_NIQ = 0, /* # of non-fl/int ingress queues */ - VFRES_TC = 0, /* PCI-E traffic class */ - VFRES_NEXACTF = 16, /* # of exact MPS filters */ - - VFRES_R_CAPS = FW_CMD_CAP_DMAQ|FW_CMD_CAP_VF|FW_CMD_CAP_PORT, - VFRES_WX_CAPS = FW_CMD_CAP_DMAQ|FW_CMD_CAP_VF, -#endif -}; - -/* - * Provide a Port Access Rights Mask for the specified PF/VF. This is very - * static and likely not to be useful in the long run. We really need to - * implement some form of persistent configuration which the firmware - * controls. - */ -static unsigned int pfvfres_pmask(struct adapter *adapter, - unsigned int pf, unsigned int vf) -{ - unsigned int portn, portvec; - - /* - * Give PF's access to all of the ports. - */ - if (vf == 0) - return FW_PFVF_CMD_PMASK_M; - - /* - * For VFs, we'll assign them access to the ports based purely on the - * PF. We assign active ports in order, wrapping around if there are - * fewer active ports than PFs: e.g. active port[pf % nports]. - * Unfortunately the adapter's port_info structs haven't been - * initialized yet so we have to compute this. - */ - if (adapter->params.nports == 0) - return 0; - - portn = pf % adapter->params.nports; - portvec = adapter->params.portvec; - for (;;) { - /* - * Isolate the lowest set bit in the port vector. If we're at - * the port number that we want, return that as the pmask. - * otherwise mask that bit out of the port vector and - * decrement our port number ... - */ - unsigned int pmask = portvec ^ (portvec & (portvec-1)); - if (portn == 0) - return pmask; - portn--; - portvec &= ~pmask; - } - /*NOTREACHED*/ -} - enum { MAX_TXQ_ENTRIES = 16384, MAX_CTRL_TXQ_ENTRIES = 1024, @@ -263,7 +174,8 @@ MODULE_PARM_DESC(force_init, "Forcibly become Master PF and initialize adapter") static uint force_old_init; module_param(force_old_init, uint, 0644); -MODULE_PARM_DESC(force_old_init, "Force old initialization sequence"); +MODULE_PARM_DESC(force_old_init, "Force old initialization sequence, deprecated" + " parameter"); static int dflt_msg_enable = DFLT_MSG_ENABLE; @@ -292,13 +204,14 @@ static unsigned int intr_holdoff[SGE_NTIMERS - 1] = { 5, 10, 20, 50, 100 }; module_param_array(intr_holdoff, uint, NULL, 0644); MODULE_PARM_DESC(intr_holdoff, "values for queue interrupt hold-off timers " - "0..4 in microseconds"); + "0..4 in microseconds, deprecated parameter"); static unsigned int intr_cnt[SGE_NCOUNTERS - 1] = { 4, 8, 16 }; module_param_array(intr_cnt, uint, NULL, 0644); MODULE_PARM_DESC(intr_cnt, - "thresholds 1..3 for queue interrupt packet counters"); + "thresholds 1..3 for queue interrupt packet counters, " + "deprecated parameter"); /* * Normally we tell the chip to deliver Ingress Packets into our DMA buffers @@ -318,7 +231,8 @@ static bool vf_acls; #ifdef CONFIG_PCI_IOV module_param(vf_acls, bool, 0644); -MODULE_PARM_DESC(vf_acls, "if set enable virtualization L2 ACL enforcement"); +MODULE_PARM_DESC(vf_acls, "if set enable virtualization L2 ACL enforcement, " + "deprecated parameter"); /* Configure the number of PCI-E Virtual Function which are to be instantiated * on SR-IOV Capable Physical Functions. @@ -340,32 +254,11 @@ module_param(select_queue, int, 0644); MODULE_PARM_DESC(select_queue, "Select between kernel provided method of selecting or driver method of selecting TX queue. Default is kernel method."); -/* - * The filter TCAM has a fixed portion and a variable portion. The fixed - * portion can match on source/destination IP IPv4/IPv6 addresses and TCP/UDP - * ports. The variable portion is 36 bits which can include things like Exact - * Match MAC Index (9 bits), Ether Type (16 bits), IP Protocol (8 bits), - * [Inner] VLAN Tag (17 bits), etc. which, if all were somehow selected, would - * far exceed the 36-bit budget for this "compressed" header portion of the - * filter. Thus, we have a scarce resource which must be carefully managed. - * - * By default we set this up to mostly match the set of filter matching - * capabilities of T3 but with accommodations for some of T4's more - * interesting features: - * - * { IP Fragment (1), MPS Match Type (3), IP Protocol (8), - * [Inner] VLAN (17), Port (3), FCoE (1) } - */ -enum { - TP_VLAN_PRI_MAP_DEFAULT = HW_TPL_FR_MT_PR_IV_P_FC, - TP_VLAN_PRI_MAP_FIRST = FCOE_SHIFT, - TP_VLAN_PRI_MAP_LAST = FRAGMENTATION_SHIFT, -}; - -static unsigned int tp_vlan_pri_map = TP_VLAN_PRI_MAP_DEFAULT; +static unsigned int tp_vlan_pri_map = HW_TPL_FR_MT_PR_IV_P_FC; module_param(tp_vlan_pri_map, uint, 0644); -MODULE_PARM_DESC(tp_vlan_pri_map, "global compressed filter configuration"); +MODULE_PARM_DESC(tp_vlan_pri_map, "global compressed filter configuration, " + "deprecated parameter"); static struct dentry *cxgb4_debugfs_root; @@ -671,7 +564,7 @@ static void filter_rpl(struct adapter *adap, const struct cpl_set_tcb_rpl *rpl) if (idx >= adap->tids.ftid_base && nidx < (adap->tids.nftids + adap->tids.nsftids)) { idx = nidx; - ret = GET_TCB_COOKIE(rpl->cookie); + ret = TCB_COOKIE_G(rpl->cookie); f = &adap->tids.ftid_tab[idx]; if (ret == FW_FILTER_WR_FLT_DELETED) { @@ -723,7 +616,7 @@ static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp, if (likely(opcode == CPL_SGE_EGR_UPDATE)) { const struct cpl_sge_egr_update *p = (void *)rsp; - unsigned int qid = EGR_QID(ntohl(p->opcode_qid)); + unsigned int qid = EGR_QID_G(ntohl(p->opcode_qid)); struct sge_txq *txq; txq = q->adap->sge.egr_map[qid - q->adap->sge.egr_start]; @@ -833,11 +726,11 @@ static void disable_msi(struct adapter *adapter) static irqreturn_t t4_nondata_intr(int irq, void *cookie) { struct adapter *adap = cookie; + u32 v = t4_read_reg(adap, MYPF_REG(PL_PF_INT_CAUSE_A)); - u32 v = t4_read_reg(adap, MYPF_REG(PL_PF_INT_CAUSE)); - if (v & PFSW) { + if (v & PFSW_F) { adap->swintr = 1; - t4_write_reg(adap, MYPF_REG(PL_PF_INT_CAUSE), v); + t4_write_reg(adap, MYPF_REG(PL_PF_INT_CAUSE_A), v); } t4_slow_intr_handler(adap); return IRQ_HANDLED; @@ -1030,8 +923,14 @@ static void quiesce_rx(struct adapter *adap) for (i = 0; i < ARRAY_SIZE(adap->sge.ingr_map); i++) { struct sge_rspq *q = adap->sge.ingr_map[i]; - if (q && q->handler) + if (q && q->handler) { napi_disable(&q->napi); + local_bh_disable(); + while (!cxgb_poll_lock_napi(q)) + mdelay(1); + local_bh_enable(); + } + } } @@ -1047,12 +946,14 @@ static void enable_rx(struct adapter *adap) if (!q) continue; - if (q->handler) + if (q->handler) { + cxgb_busy_poll_init_lock(q); napi_enable(&q->napi); + } /* 0-increment GTS to start the timer and enable interrupts */ - t4_write_reg(adap, MYPF_REG(SGE_PF_GTS), - SEINTARM(q->intr_params) | - INGRESSQID(q->cntxt_id)); + t4_write_reg(adap, MYPF_REG(SGE_PF_GTS_A), + SEINTARM_V(q->intr_params) | + INGRESSQID_V(q->cntxt_id)); } } @@ -1176,10 +1077,10 @@ freeout: t4_free_sge_resources(adap); } t4_write_reg(adap, is_t4(adap->params.chip) ? - MPS_TRC_RSS_CONTROL : - MPS_T5_TRC_RSS_CONTROL, - RSSCONTROL(netdev2pinfo(adap->port[0])->tx_chan) | - QUEUENUMBER(s->ethrxq[0].rspq.abs_id)); + MPS_TRC_RSS_CONTROL_A : + MPS_T5_TRC_RSS_CONTROL_A, + RSSCONTROL_V(netdev2pinfo(adap->port[0])->tx_chan) | + QUEUENUMBER_V(s->ethrxq[0].rspq.abs_id)); return 0; } @@ -1518,6 +1419,7 @@ static int get_eeprom_len(struct net_device *dev) static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct adapter *adapter = netdev2adap(dev); + u32 exprom_vers; strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); strlcpy(info->version, DRV_VERSION, sizeof(info->version)); @@ -1535,6 +1437,14 @@ static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) FW_HDR_FW_VER_MINOR_G(adapter->params.tp_vers), FW_HDR_FW_VER_MICRO_G(adapter->params.tp_vers), FW_HDR_FW_VER_BUILD_G(adapter->params.tp_vers)); + + if (!t4_get_exprom_version(adapter, &exprom_vers)) + snprintf(info->erom_version, sizeof(info->erom_version), + "%u.%u.%u.%u", + FW_HDR_FW_VER_MAJOR_G(exprom_vers), + FW_HDR_FW_VER_MINOR_G(exprom_vers), + FW_HDR_FW_VER_MICRO_G(exprom_vers), + FW_HDR_FW_VER_BUILD_G(exprom_vers)); } static void get_strings(struct net_device *dev, u32 stringset, u8 *data) @@ -1589,9 +1499,9 @@ static void get_stats(struct net_device *dev, struct ethtool_stats *stats, collect_sge_port_stats(adapter, pi, (struct queue_port_stats *)data); data += sizeof(struct queue_port_stats) / sizeof(u64); if (!is_t4(adapter->params.chip)) { - t4_write_reg(adapter, SGE_STAT_CFG, STATSOURCE_T5(7)); - val1 = t4_read_reg(adapter, SGE_STAT_TOTAL); - val2 = t4_read_reg(adapter, SGE_STAT_MATCH); + t4_write_reg(adapter, SGE_STAT_CFG_A, STATSOURCE_T5_V(7)); + val1 = t4_read_reg(adapter, SGE_STAT_TOTAL_A); + val2 = t4_read_reg(adapter, SGE_STAT_MATCH_A); *data = val1 - val2; data++; *data = val2; @@ -2608,8 +2518,8 @@ static int closest_thres(const struct sge *s, int thres) /* * Return a queue's interrupt hold-off time in us. 0 means no timer. */ -static unsigned int qtimer_val(const struct adapter *adap, - const struct sge_rspq *q) +unsigned int qtimer_val(const struct adapter *adap, + const struct sge_rspq *q) { unsigned int idx = q->intr_params >> 1; @@ -3346,40 +3256,6 @@ static int tid_init(struct tid_info *t) return 0; } -int cxgb4_clip_get(const struct net_device *dev, - const struct in6_addr *lip) -{ - struct adapter *adap; - struct fw_clip_cmd c; - - adap = netdev2adap(dev); - memset(&c, 0, sizeof(c)); - c.op_to_write = htonl(FW_CMD_OP_V(FW_CLIP_CMD) | - FW_CMD_REQUEST_F | FW_CMD_WRITE_F); - c.alloc_to_len16 = htonl(FW_CLIP_CMD_ALLOC_F | FW_LEN16(c)); - c.ip_hi = *(__be64 *)(lip->s6_addr); - c.ip_lo = *(__be64 *)(lip->s6_addr + 8); - return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false); -} -EXPORT_SYMBOL(cxgb4_clip_get); - -int cxgb4_clip_release(const struct net_device *dev, - const struct in6_addr *lip) -{ - struct adapter *adap; - struct fw_clip_cmd c; - - adap = netdev2adap(dev); - memset(&c, 0, sizeof(c)); - c.op_to_write = htonl(FW_CMD_OP_V(FW_CLIP_CMD) | - FW_CMD_REQUEST_F | FW_CMD_READ_F); - c.alloc_to_len16 = htonl(FW_CLIP_CMD_FREE_F | FW_LEN16(c)); - c.ip_hi = *(__be64 *)(lip->s6_addr); - c.ip_lo = *(__be64 *)(lip->s6_addr + 8); - return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, false); -} -EXPORT_SYMBOL(cxgb4_clip_release); - /** * cxgb4_create_server - create an IP server * @dev: the device @@ -3415,8 +3291,8 @@ int cxgb4_create_server(const struct net_device *dev, unsigned int stid, req->peer_ip = htonl(0); chan = rxq_to_chan(&adap->sge, queue); req->opt0 = cpu_to_be64(TX_CHAN_V(chan)); - req->opt1 = cpu_to_be64(CONN_POLICY_ASK | - SYN_RSS_ENABLE | SYN_RSS_QUEUE(queue)); + req->opt1 = cpu_to_be64(CONN_POLICY_V(CPL_CONN_POLICY_ASK) | + SYN_RSS_ENABLE_F | SYN_RSS_QUEUE_V(queue)); ret = t4_mgmt_tx(adap, skb); return net_xmit_eval(ret); } @@ -3458,8 +3334,8 @@ int cxgb4_create_server6(const struct net_device *dev, unsigned int stid, req->peer_ip_lo = cpu_to_be64(0); chan = rxq_to_chan(&adap->sge, queue); req->opt0 = cpu_to_be64(TX_CHAN_V(chan)); - req->opt1 = cpu_to_be64(CONN_POLICY_ASK | - SYN_RSS_ENABLE | SYN_RSS_QUEUE(queue)); + req->opt1 = cpu_to_be64(CONN_POLICY_V(CPL_CONN_POLICY_ASK) | + SYN_RSS_ENABLE_F | SYN_RSS_QUEUE_V(queue)); ret = t4_mgmt_tx(adap, skb); return net_xmit_eval(ret); } @@ -3482,8 +3358,8 @@ int cxgb4_remove_server(const struct net_device *dev, unsigned int stid, req = (struct cpl_close_listsvr_req *)__skb_put(skb, sizeof(*req)); INIT_TP_WR(req, 0); OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_CLOSE_LISTSRV_REQ, stid)); - req->reply_ctrl = htons(NO_REPLY(0) | (ipv6 ? LISTSVR_IPV6(1) : - LISTSVR_IPV6(0)) | QUEUENO(queue)); + req->reply_ctrl = htons(NO_REPLY_V(0) | (ipv6 ? LISTSVR_IPV6_V(1) : + LISTSVR_IPV6_V(0)) | QUEUENO_V(queue)); ret = t4_mgmt_tx(adap, skb); return net_xmit_eval(ret); } @@ -3600,14 +3476,14 @@ unsigned int cxgb4_dbfifo_count(const struct net_device *dev, int lpfifo) struct adapter *adap = netdev2adap(dev); u32 v1, v2, lp_count, hp_count; - v1 = t4_read_reg(adap, A_SGE_DBFIFO_STATUS); - v2 = t4_read_reg(adap, SGE_DBFIFO_STATUS2); + v1 = t4_read_reg(adap, SGE_DBFIFO_STATUS_A); + v2 = t4_read_reg(adap, SGE_DBFIFO_STATUS2_A); if (is_t4(adap->params.chip)) { - lp_count = G_LP_COUNT(v1); - hp_count = G_HP_COUNT(v1); + lp_count = LP_COUNT_G(v1); + hp_count = HP_COUNT_G(v1); } else { - lp_count = G_LP_COUNT_T5(v1); - hp_count = G_HP_COUNT_T5(v2); + lp_count = LP_COUNT_T5_G(v1); + hp_count = HP_COUNT_T5_G(v2); } return lpfifo ? lp_count : hp_count; } @@ -3653,10 +3529,10 @@ void cxgb4_iscsi_init(struct net_device *dev, unsigned int tag_mask, { struct adapter *adap = netdev2adap(dev); - t4_write_reg(adap, ULP_RX_ISCSI_TAGMASK, tag_mask); - t4_write_reg(adap, ULP_RX_ISCSI_PSZ, HPZ0(pgsz_order[0]) | - HPZ1(pgsz_order[1]) | HPZ2(pgsz_order[2]) | - HPZ3(pgsz_order[3])); + t4_write_reg(adap, ULP_RX_ISCSI_TAGMASK_A, tag_mask); + t4_write_reg(adap, ULP_RX_ISCSI_PSZ_A, HPZ0_V(pgsz_order[0]) | + HPZ1_V(pgsz_order[1]) | HPZ2_V(pgsz_order[2]) | + HPZ3_V(pgsz_order[3])); } EXPORT_SYMBOL(cxgb4_iscsi_init); @@ -3666,14 +3542,14 @@ int cxgb4_flush_eq_cache(struct net_device *dev) int ret; ret = t4_fwaddrspace_write(adap, adap->mbox, - 0xe1000000 + A_SGE_CTXT_CMD, 0x20000000); + 0xe1000000 + SGE_CTXT_CMD_A, 0x20000000); return ret; } EXPORT_SYMBOL(cxgb4_flush_eq_cache); static int read_eq_indices(struct adapter *adap, u16 qid, u16 *pidx, u16 *cidx) { - u32 addr = t4_read_reg(adap, A_SGE_DBQ_CTXT_BADDR) + 24 * qid + 8; + u32 addr = t4_read_reg(adap, SGE_DBQ_CTXT_BADDR_A) + 24 * qid + 8; __be64 indices; int ret; @@ -3702,14 +3578,20 @@ int cxgb4_sync_txq_pidx(struct net_device *dev, u16 qid, u16 pidx, if (pidx != hw_pidx) { u16 delta; + u32 val; if (pidx >= hw_pidx) delta = pidx - hw_pidx; else delta = size - hw_pidx + pidx; + + if (is_t4(adap->params.chip)) + val = PIDX_V(delta); + else + val = PIDX_T5_V(delta); wmb(); - t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL), - QID(qid) | PIDX(delta)); + t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL_A), + QID_V(qid) | val); } out: return ret; @@ -3721,8 +3603,8 @@ void cxgb4_disable_db_coalescing(struct net_device *dev) struct adapter *adap; adap = netdev2adap(dev); - t4_set_reg_field(adap, A_SGE_DOORBELL_CONTROL, F_NOCOALESCE, - F_NOCOALESCE); + t4_set_reg_field(adap, SGE_DOORBELL_CONTROL_A, NOCOALESCE_F, + NOCOALESCE_F); } EXPORT_SYMBOL(cxgb4_disable_db_coalescing); @@ -3731,7 +3613,7 @@ void cxgb4_enable_db_coalescing(struct net_device *dev) struct adapter *adap; adap = netdev2adap(dev); - t4_set_reg_field(adap, A_SGE_DOORBELL_CONTROL, F_NOCOALESCE, 0); + t4_set_reg_field(adap, SGE_DOORBELL_CONTROL_A, NOCOALESCE_F, 0); } EXPORT_SYMBOL(cxgb4_enable_db_coalescing); @@ -3809,8 +3691,8 @@ u64 cxgb4_read_sge_timestamp(struct net_device *dev) struct adapter *adap; adap = netdev2adap(dev); - lo = t4_read_reg(adap, SGE_TIMESTAMP_LO); - hi = GET_TSVAL(t4_read_reg(adap, SGE_TIMESTAMP_HI)); + lo = t4_read_reg(adap, SGE_TIMESTAMP_LO_A); + hi = TSVAL_G(t4_read_reg(adap, SGE_TIMESTAMP_HI_A)); return ((u64)hi << 32) | (u64)lo; } @@ -3870,14 +3752,14 @@ static void drain_db_fifo(struct adapter *adap, int usecs) u32 v1, v2, lp_count, hp_count; do { - v1 = t4_read_reg(adap, A_SGE_DBFIFO_STATUS); - v2 = t4_read_reg(adap, SGE_DBFIFO_STATUS2); + v1 = t4_read_reg(adap, SGE_DBFIFO_STATUS_A); + v2 = t4_read_reg(adap, SGE_DBFIFO_STATUS2_A); if (is_t4(adap->params.chip)) { - lp_count = G_LP_COUNT(v1); - hp_count = G_HP_COUNT(v1); + lp_count = LP_COUNT_G(v1); + hp_count = HP_COUNT_G(v1); } else { - lp_count = G_LP_COUNT_T5(v1); - hp_count = G_HP_COUNT_T5(v2); + lp_count = LP_COUNT_T5_G(v1); + hp_count = HP_COUNT_T5_G(v2); } if (lp_count == 0 && hp_count == 0) @@ -3904,8 +3786,8 @@ static void enable_txq_db(struct adapter *adap, struct sge_txq *q) * are committed before we tell HW about them. */ wmb(); - t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL), - QID(q->cntxt_id) | PIDX(q->db_pidx_inc)); + t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL_A), + QID_V(q->cntxt_id) | PIDX_V(q->db_pidx_inc)); q->db_pidx_inc = 0; } q->db_disabled = 0; @@ -3952,9 +3834,9 @@ static void process_db_full(struct work_struct *work) drain_db_fifo(adap, dbfifo_drain_delay); enable_dbs(adap); notify_rdma_uld(adap, CXGB4_CONTROL_DB_EMPTY); - t4_set_reg_field(adap, SGE_INT_ENABLE3, - DBFIFO_HP_INT | DBFIFO_LP_INT, - DBFIFO_HP_INT | DBFIFO_LP_INT); + t4_set_reg_field(adap, SGE_INT_ENABLE3_A, + DBFIFO_HP_INT_F | DBFIFO_LP_INT_F, + DBFIFO_HP_INT_F | DBFIFO_LP_INT_F); } static void sync_txq_pidx(struct adapter *adap, struct sge_txq *q) @@ -3968,14 +3850,20 @@ static void sync_txq_pidx(struct adapter *adap, struct sge_txq *q) goto out; if (q->db_pidx != hw_pidx) { u16 delta; + u32 val; if (q->db_pidx >= hw_pidx) delta = q->db_pidx - hw_pidx; else delta = q->size - hw_pidx + q->db_pidx; + + if (is_t4(adap->params.chip)) + val = PIDX_V(delta); + else + val = PIDX_T5_V(delta); wmb(); - t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL), - QID(q->cntxt_id) | PIDX(delta)); + t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL_A), + QID_V(q->cntxt_id) | val); } out: q->db_disabled = 0; @@ -4024,14 +3912,14 @@ static void process_db_drop(struct work_struct *work) dev_err(adap->pdev_dev, "doorbell drop recovery: " "qid=%d, pidx_inc=%d\n", qid, pidx_inc); else - writel(PIDX_T5(pidx_inc) | QID(bar2_qid), + writel(PIDX_T5_V(pidx_inc) | QID_V(bar2_qid), adap->bar2 + bar2_qoffset + SGE_UDB_KDOORBELL); /* Re-enable BAR2 WC */ t4_set_reg_field(adap, 0x10b0, 1<<15, 1<<15); } - t4_set_reg_field(adap, A_SGE_DOORBELL_CONTROL, F_DROPPED_DB, 0); + t4_set_reg_field(adap, SGE_DOORBELL_CONTROL_A, DROPPED_DB_F, 0); } void t4_db_full(struct adapter *adap) @@ -4039,8 +3927,8 @@ void t4_db_full(struct adapter *adap) if (is_t4(adap->params.chip)) { disable_dbs(adap); notify_rdma_uld(adap, CXGB4_CONTROL_DB_FULL); - t4_set_reg_field(adap, SGE_INT_ENABLE3, - DBFIFO_HP_INT | DBFIFO_LP_INT, 0); + t4_set_reg_field(adap, SGE_INT_ENABLE3_A, + DBFIFO_HP_INT_F | DBFIFO_LP_INT_F, 0); queue_work(adap->workq, &adap->db_full_task); } } @@ -4081,7 +3969,7 @@ static void uld_attach(struct adapter *adap, unsigned int uld) lli.nports = adap->params.nports; lli.wr_cred = adap->params.ofldq_wr_cred; lli.adapter_type = adap->params.chip; - lli.iscsi_iolen = MAXRXDATA_GET(t4_read_reg(adap, TP_PARA_REG2)); + lli.iscsi_iolen = MAXRXDATA_G(t4_read_reg(adap, TP_PARA_REG2_A)); lli.cclk_ps = 1000000000 / adap->params.vpd.cclk; lli.udb_density = 1 << adap->params.sge.eq_qpp; lli.ucq_density = 1 << adap->params.sge.iq_qpp; @@ -4089,8 +3977,8 @@ static void uld_attach(struct adapter *adap, unsigned int uld) /* MODQ_REQ_MAP sets queues 0-3 to chan 0-3 */ for (i = 0; i < NCHAN; i++) lli.tx_modq[i] = i; - lli.gts_reg = adap->regs + MYPF_REG(SGE_PF_GTS); - lli.db_reg = adap->regs + MYPF_REG(SGE_PF_KDOORBELL); + lli.gts_reg = adap->regs + MYPF_REG(SGE_PF_GTS_A); + lli.db_reg = adap->regs + MYPF_REG(SGE_PF_KDOORBELL_A); lli.fw_vers = adap->params.fw_vers; lli.dbfifo_int_thresh = dbfifo_int_thresh; lli.sge_ingpadboundary = adap->sge.fl_align; @@ -4220,148 +4108,61 @@ int cxgb4_unregister_uld(enum cxgb4_uld type) } EXPORT_SYMBOL(cxgb4_unregister_uld); -/* Check if netdev on which event is occured belongs to us or not. Return - * success (true) if it belongs otherwise failure (false). - * Called with rcu_read_lock() held. - */ #if IS_ENABLED(CONFIG_IPV6) -static bool cxgb4_netdev(const struct net_device *netdev) +static int cxgb4_inet6addr_handler(struct notifier_block *this, + unsigned long event, void *data) { + struct inet6_ifaddr *ifa = data; + struct net_device *event_dev = ifa->idev->dev; + const struct device *parent = NULL; +#if IS_ENABLED(CONFIG_BONDING) struct adapter *adap; - int i; - - list_for_each_entry_rcu(adap, &adap_rcu_list, rcu_node) - for (i = 0; i < MAX_NPORTS; i++) - if (adap->port[i] == netdev) - return true; - return false; -} +#endif + if (event_dev->priv_flags & IFF_802_1Q_VLAN) + event_dev = vlan_dev_real_dev(event_dev); +#if IS_ENABLED(CONFIG_BONDING) + if (event_dev->flags & IFF_MASTER) { + list_for_each_entry(adap, &adapter_list, list_node) { + switch (event) { + case NETDEV_UP: + cxgb4_clip_get(adap->port[0], + (const u32 *)ifa, 1); + break; + case NETDEV_DOWN: + cxgb4_clip_release(adap->port[0], + (const u32 *)ifa, 1); + break; + default: + break; + } + } + return NOTIFY_OK; + } +#endif -static int clip_add(struct net_device *event_dev, struct inet6_ifaddr *ifa, - unsigned long event) -{ - int ret = NOTIFY_DONE; + if (event_dev) + parent = event_dev->dev.parent; - rcu_read_lock(); - if (cxgb4_netdev(event_dev)) { + if (parent && parent->driver == &cxgb4_driver.driver) { switch (event) { case NETDEV_UP: - ret = cxgb4_clip_get(event_dev, &ifa->addr); - if (ret < 0) { - rcu_read_unlock(); - return ret; - } - ret = NOTIFY_OK; + cxgb4_clip_get(event_dev, (const u32 *)ifa, 1); break; case NETDEV_DOWN: - cxgb4_clip_release(event_dev, &ifa->addr); - ret = NOTIFY_OK; + cxgb4_clip_release(event_dev, (const u32 *)ifa, 1); break; default: break; } } - rcu_read_unlock(); - return ret; -} - -static int cxgb4_inet6addr_handler(struct notifier_block *this, - unsigned long event, void *data) -{ - struct inet6_ifaddr *ifa = data; - struct net_device *event_dev; - int ret = NOTIFY_DONE; - struct bonding *bond = netdev_priv(ifa->idev->dev); - struct list_head *iter; - struct slave *slave; - struct pci_dev *first_pdev = NULL; - - if (ifa->idev->dev->priv_flags & IFF_802_1Q_VLAN) { - event_dev = vlan_dev_real_dev(ifa->idev->dev); - ret = clip_add(event_dev, ifa, event); - } else if (ifa->idev->dev->flags & IFF_MASTER) { - /* It is possible that two different adapters are bonded in one - * bond. We need to find such different adapters and add clip - * in all of them only once. - */ - bond_for_each_slave(bond, slave, iter) { - if (!first_pdev) { - ret = clip_add(slave->dev, ifa, event); - /* If clip_add is success then only initialize - * first_pdev since it means it is our device - */ - if (ret == NOTIFY_OK) - first_pdev = to_pci_dev( - slave->dev->dev.parent); - } else if (first_pdev != - to_pci_dev(slave->dev->dev.parent)) - ret = clip_add(slave->dev, ifa, event); - } - } else - ret = clip_add(ifa->idev->dev, ifa, event); - - return ret; + return NOTIFY_OK; } +static bool inet6addr_registered; static struct notifier_block cxgb4_inet6addr_notifier = { .notifier_call = cxgb4_inet6addr_handler }; -/* Retrieves IPv6 addresses from a root device (bond, vlan) associated with - * a physical device. - * The physical device reference is needed to send the actul CLIP command. - */ -static int update_dev_clip(struct net_device *root_dev, struct net_device *dev) -{ - struct inet6_dev *idev = NULL; - struct inet6_ifaddr *ifa; - int ret = 0; - - idev = __in6_dev_get(root_dev); - if (!idev) - return ret; - - read_lock_bh(&idev->lock); - list_for_each_entry(ifa, &idev->addr_list, if_list) { - ret = cxgb4_clip_get(dev, &ifa->addr); - if (ret < 0) - break; - } - read_unlock_bh(&idev->lock); - - return ret; -} - -static int update_root_dev_clip(struct net_device *dev) -{ - struct net_device *root_dev = NULL; - int i, ret = 0; - - /* First populate the real net device's IPv6 addresses */ - ret = update_dev_clip(dev, dev); - if (ret) - return ret; - - /* Parse all bond and vlan devices layered on top of the physical dev */ - root_dev = netdev_master_upper_dev_get_rcu(dev); - if (root_dev) { - ret = update_dev_clip(root_dev, dev); - if (ret) - return ret; - } - - for (i = 0; i < VLAN_N_VID; i++) { - root_dev = __vlan_find_dev_deep_rcu(dev, htons(ETH_P_8021Q), i); - if (!root_dev) - continue; - - ret = update_dev_clip(root_dev, dev); - if (ret) - break; - } - return ret; -} - static void update_clip(const struct adapter *adap) { int i; @@ -4375,7 +4176,7 @@ static void update_clip(const struct adapter *adap) ret = 0; if (dev) - ret = update_root_dev_clip(dev); + ret = cxgb4_update_root_dev_clip(dev); if (ret < 0) break; @@ -4567,13 +4368,13 @@ int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid, f->fs.val.lip[i] = val[i]; f->fs.mask.lip[i] = ~0; } - if (adap->params.tp.vlan_pri_map & F_PORT) { + if (adap->params.tp.vlan_pri_map & PORT_F) { f->fs.val.iport = port; f->fs.mask.iport = mask; } } - if (adap->params.tp.vlan_pri_map & F_PROTOCOL) { + if (adap->params.tp.vlan_pri_map & PROTOCOL_F) { f->fs.val.proto = IPPROTO_TCP; f->fs.mask.proto = ~0; } @@ -4779,11 +4580,15 @@ static const struct net_device_ops cxgb4_netdev_ops = { #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = cxgb_netpoll, #endif +#ifdef CONFIG_NET_RX_BUSY_POLL + .ndo_busy_poll = cxgb_busy_poll, +#endif + }; void t4_fatal_err(struct adapter *adap) { - t4_set_reg_field(adap, SGE_CONTROL, GLOBALENABLE, 0); + t4_set_reg_field(adap, SGE_CONTROL_A, GLOBALENABLE_F, 0); t4_intr_disable(adap); dev_alert(adap->pdev_dev, "encountered fatal error, adapter stopped\n"); } @@ -4858,16 +4663,16 @@ static void setup_memwin(struct adapter *adap) mem_win2_base = MEMWIN2_BASE_T5; mem_win2_aperture = MEMWIN2_APERTURE_T5; } - t4_write_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, 0), - mem_win0_base | BIR(0) | - WINDOW(ilog2(MEMWIN0_APERTURE) - 10)); - t4_write_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, 1), - mem_win1_base | BIR(0) | - WINDOW(ilog2(MEMWIN1_APERTURE) - 10)); - t4_write_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, 2), - mem_win2_base | BIR(0) | - WINDOW(ilog2(mem_win2_aperture) - 10)); - t4_read_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, 2)); + t4_write_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A, 0), + mem_win0_base | BIR_V(0) | + WINDOW_V(ilog2(MEMWIN0_APERTURE) - 10)); + t4_write_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A, 1), + mem_win1_base | BIR_V(0) | + WINDOW_V(ilog2(MEMWIN1_APERTURE) - 10)); + t4_write_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A, 2), + mem_win2_base | BIR_V(0) | + WINDOW_V(ilog2(mem_win2_aperture) - 10)); + t4_read_reg(adap, PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A, 2)); } static void setup_memwin_rdma(struct adapter *adap) @@ -4881,13 +4686,13 @@ static void setup_memwin_rdma(struct adapter *adap) start += OCQ_WIN_OFFSET(adap->pdev, &adap->vres); sz_kb = roundup_pow_of_two(adap->vres.ocq.size) >> 10; t4_write_reg(adap, - PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN, 3), - start | BIR(1) | WINDOW(ilog2(sz_kb))); + PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A, 3), + start | BIR_V(1) | WINDOW_V(ilog2(sz_kb))); t4_write_reg(adap, - PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET, 3), + PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A, 3), adap->vres.ocq.start); t4_read_reg(adap, - PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET, 3)); + PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A, 3)); } } @@ -4936,38 +4741,38 @@ static int adap_init1(struct adapter *adap, struct fw_caps_config_cmd *c) t4_sge_init(adap); /* tweak some settings */ - t4_write_reg(adap, TP_SHIFT_CNT, 0x64f8849); - t4_write_reg(adap, ULP_RX_TDDP_PSZ, HPZ0(PAGE_SHIFT - 12)); - t4_write_reg(adap, TP_PIO_ADDR, TP_INGRESS_CONFIG); - v = t4_read_reg(adap, TP_PIO_DATA); - t4_write_reg(adap, TP_PIO_DATA, v & ~CSUM_HAS_PSEUDO_HDR); + t4_write_reg(adap, TP_SHIFT_CNT_A, 0x64f8849); + t4_write_reg(adap, ULP_RX_TDDP_PSZ_A, HPZ0_V(PAGE_SHIFT - 12)); + t4_write_reg(adap, TP_PIO_ADDR_A, TP_INGRESS_CONFIG_A); + v = t4_read_reg(adap, TP_PIO_DATA_A); + t4_write_reg(adap, TP_PIO_DATA_A, v & ~CSUM_HAS_PSEUDO_HDR_F); /* first 4 Tx modulation queues point to consecutive Tx channels */ adap->params.tp.tx_modq_map = 0xE4; - t4_write_reg(adap, A_TP_TX_MOD_QUEUE_REQ_MAP, - V_TX_MOD_QUEUE_REQ_MAP(adap->params.tp.tx_modq_map)); + t4_write_reg(adap, TP_TX_MOD_QUEUE_REQ_MAP_A, + TX_MOD_QUEUE_REQ_MAP_V(adap->params.tp.tx_modq_map)); /* associate each Tx modulation queue with consecutive Tx channels */ v = 0x84218421; - t4_write_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, - &v, 1, A_TP_TX_SCHED_HDR); - t4_write_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, - &v, 1, A_TP_TX_SCHED_FIFO); - t4_write_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA, - &v, 1, A_TP_TX_SCHED_PCMD); + t4_write_indirect(adap, TP_PIO_ADDR_A, TP_PIO_DATA_A, + &v, 1, TP_TX_SCHED_HDR_A); + t4_write_indirect(adap, TP_PIO_ADDR_A, TP_PIO_DATA_A, + &v, 1, TP_TX_SCHED_FIFO_A); + t4_write_indirect(adap, TP_PIO_ADDR_A, TP_PIO_DATA_A, + &v, 1, TP_TX_SCHED_PCMD_A); #define T4_TX_MODQ_10G_WEIGHT_DEFAULT 16 /* in KB units */ if (is_offload(adap)) { - t4_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT0, - V_TX_MODQ_WEIGHT0(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | - V_TX_MODQ_WEIGHT1(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | - V_TX_MODQ_WEIGHT2(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | - V_TX_MODQ_WEIGHT3(T4_TX_MODQ_10G_WEIGHT_DEFAULT)); - t4_write_reg(adap, A_TP_TX_MOD_CHANNEL_WEIGHT, - V_TX_MODQ_WEIGHT0(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | - V_TX_MODQ_WEIGHT1(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | - V_TX_MODQ_WEIGHT2(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | - V_TX_MODQ_WEIGHT3(T4_TX_MODQ_10G_WEIGHT_DEFAULT)); + t4_write_reg(adap, TP_TX_MOD_QUEUE_WEIGHT0_A, + TX_MODQ_WEIGHT0_V(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | + TX_MODQ_WEIGHT1_V(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | + TX_MODQ_WEIGHT2_V(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | + TX_MODQ_WEIGHT3_V(T4_TX_MODQ_10G_WEIGHT_DEFAULT)); + t4_write_reg(adap, TP_TX_MOD_CHANNEL_WEIGHT_A, + TX_MODQ_WEIGHT0_V(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | + TX_MODQ_WEIGHT1_V(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | + TX_MODQ_WEIGHT2_V(T4_TX_MODQ_10G_WEIGHT_DEFAULT) | + TX_MODQ_WEIGHT3_V(T4_TX_MODQ_10G_WEIGHT_DEFAULT)); } /* get basic stuff going */ @@ -5013,16 +4818,16 @@ static int adap_init0_tweaks(struct adapter *adapter) rx_dma_offset); rx_dma_offset = 2; } - t4_set_reg_field(adapter, SGE_CONTROL, - PKTSHIFT_MASK, - PKTSHIFT(rx_dma_offset)); + t4_set_reg_field(adapter, SGE_CONTROL_A, + PKTSHIFT_V(PKTSHIFT_M), + PKTSHIFT_V(rx_dma_offset)); /* * Don't include the "IP Pseudo Header" in CPL_RX_PKT checksums: Linux * adds the pseudo header itself. */ - t4_tp_wr_bits_indirect(adapter, TP_INGRESS_CONFIG, - CSUM_HAS_PSEUDO_HDR, 0); + t4_tp_wr_bits_indirect(adapter, TP_INGRESS_CONFIG_A, + CSUM_HAS_PSEUDO_HDR_F, 0); return 0; } @@ -5046,7 +4851,7 @@ static int adap_init0_config(struct adapter *adapter, int reset) */ if (reset) { ret = t4_fw_reset(adapter, adapter->mbox, - PIORSTMODE | PIORST); + PIORSTMODE_F | PIORST_F); if (ret < 0) goto bye; } @@ -5212,12 +5017,9 @@ static int adap_init0_config(struct adapter *adapter, int reset) if (ret < 0) goto bye; - /* - * Return successfully and note that we're operating with parameters - * not supplied by the driver, rather than from hard-wired - * initialization constants burried in the driver. + /* Emit Firmware Configuration File information and return + * successfully. */ - adapter->flags |= USING_SOFT_PARAMS; dev_info(adapter->pdev_dev, "Successfully configured using Firmware "\ "Configuration File \"%s\", version %#x, computed checksum %#x\n", config_name, finiver, cfcsum); @@ -5235,249 +5037,6 @@ bye: return ret; } -/* - * Attempt to initialize the adapter via hard-coded, driver supplied - * parameters ... - */ -static int adap_init0_no_config(struct adapter *adapter, int reset) -{ - struct sge *s = &adapter->sge; - struct fw_caps_config_cmd caps_cmd; - u32 v; - int i, ret; - - /* - * Reset device if necessary - */ - if (reset) { - ret = t4_fw_reset(adapter, adapter->mbox, - PIORSTMODE | PIORST); - if (ret < 0) - goto bye; - } - - /* - * Get device capabilities and select which we'll be using. - */ - memset(&caps_cmd, 0, sizeof(caps_cmd)); - caps_cmd.op_to_write = htonl(FW_CMD_OP_V(FW_CAPS_CONFIG_CMD) | - FW_CMD_REQUEST_F | FW_CMD_READ_F); - caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd)); - ret = t4_wr_mbox(adapter, adapter->mbox, &caps_cmd, sizeof(caps_cmd), - &caps_cmd); - if (ret < 0) - goto bye; - - if (caps_cmd.niccaps & htons(FW_CAPS_CONFIG_NIC_VM)) { - if (!vf_acls) - caps_cmd.niccaps ^= htons(FW_CAPS_CONFIG_NIC_VM); - else - caps_cmd.niccaps = htons(FW_CAPS_CONFIG_NIC_VM); - } else if (vf_acls) { - dev_err( |