diff options
Diffstat (limited to 'drivers/net/cxgb4/t4_hw.c')
| -rw-r--r-- | drivers/net/cxgb4/t4_hw.c | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/drivers/net/cxgb4/t4_hw.c b/drivers/net/cxgb4/t4_hw.c index 9e1a4b49b47..bb813d94aea 100644 --- a/drivers/net/cxgb4/t4_hw.c +++ b/drivers/net/cxgb4/t4_hw.c @@ -120,30 +120,6 @@ static void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, } } -#if 0 -/** - * t4_write_indirect - write indirectly addressed registers - * @adap: the adapter - * @addr_reg: register holding the indirect addresses - * @data_reg: register holding the value for the indirect registers - * @vals: values to write - * @nregs: how many indirect registers to write - * @start_idx: address of first indirect register to write - * - * Writes a sequential block of registers that are accessed indirectly - * through an address/data register pair. - */ -static void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, - unsigned int data_reg, const u32 *vals, - unsigned int nregs, unsigned int start_idx) -{ - while (nregs--) { - t4_write_reg(adap, addr_reg, start_idx++); - t4_write_reg(adap, data_reg, *vals++); - } -} -#endif - /* * Get the reply to a mailbox command and store it in @rpl in big-endian order. */ @@ -1560,44 +1536,6 @@ void t4_intr_disable(struct adapter *adapter) } /** - * t4_intr_clear - clear all interrupts - * @adapter: the adapter whose interrupts should be cleared - * - * Clears all interrupts. The caller must be a PCI function managing - * global interrupts. - */ -void t4_intr_clear(struct adapter *adapter) -{ - static const unsigned int cause_reg[] = { - SGE_INT_CAUSE1, SGE_INT_CAUSE2, SGE_INT_CAUSE3, - PCIE_CORE_UTL_SYSTEM_BUS_AGENT_STATUS, - PCIE_CORE_UTL_PCI_EXPRESS_PORT_STATUS, - PCIE_NONFAT_ERR, PCIE_INT_CAUSE, - MC_INT_CAUSE, - MA_INT_WRAP_STATUS, MA_PARITY_ERROR_STATUS, MA_INT_CAUSE, - EDC_INT_CAUSE, EDC_REG(EDC_INT_CAUSE, 1), - CIM_HOST_INT_CAUSE, CIM_HOST_UPACC_INT_CAUSE, - MYPF_REG(CIM_PF_HOST_INT_CAUSE), - TP_INT_CAUSE, - ULP_RX_INT_CAUSE, ULP_TX_INT_CAUSE, - PM_RX_INT_CAUSE, PM_TX_INT_CAUSE, - MPS_RX_PERR_INT_CAUSE, - CPL_INTR_CAUSE, - MYPF_REG(PL_PF_INT_CAUSE), - PL_PL_INT_CAUSE, - LE_DB_INT_CAUSE, - }; - - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(cause_reg); ++i) - t4_write_reg(adapter, cause_reg[i], 0xffffffff); - - t4_write_reg(adapter, PL_INT_CAUSE, GLBL_INTR_MASK); - (void) t4_read_reg(adapter, PL_INT_CAUSE); /* flush */ -} - -/** * hash_mac_addr - return the hash value of a MAC address * @addr: the 48-bit Ethernet MAC address * @@ -1709,36 +1647,6 @@ int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode, return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL); } -/* Read an RSS table row */ -static int rd_rss_row(struct adapter *adap, int row, u32 *val) -{ - t4_write_reg(adap, TP_RSS_LKP_TABLE, 0xfff00000 | row); - return t4_wait_op_done_val(adap, TP_RSS_LKP_TABLE, LKPTBLROWVLD, 1, - 5, 0, val); -} - -/** - * t4_read_rss - read the contents of the RSS mapping table - * @adapter: the adapter - * @map: holds the contents of the RSS mapping table - * - * Reads the contents of the RSS hash->queue mapping table. - */ -int t4_read_rss(struct adapter *adapter, u16 *map) -{ - u32 val; - int i, ret; - - for (i = 0; i < RSS_NENTRIES / 2; ++i) { - ret = rd_rss_row(adapter, i, &val); - if (ret) - return ret; - *map++ = LKPTBLQUEUE0_GET(val); - *map++ = LKPTBLQUEUE1_GET(val); - } - return 0; -} - /** * t4_tp_get_tcp_stats - read TP's TCP MIB counters * @adap: the adapter @@ -1779,29 +1687,6 @@ void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4, } /** - * t4_tp_get_err_stats - read TP's error MIB counters - * @adap: the adapter - * @st: holds the counter values - * - * Returns the values of TP's error counters. - */ -void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st) -{ - t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, st->macInErrs, - 12, TP_MIB_MAC_IN_ERR_0); - t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, st->tnlCongDrops, - 8, TP_MIB_TNL_CNG_DROP_0); - t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, st->tnlTxDrops, - 4, TP_MIB_TNL_DROP_0); - t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, st->ofldVlanDrops, - 4, TP_MIB_OFD_VLN_DROP_0); - t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, st->tcp6InErrs, - 4, TP_MIB_TCP_V6IN_ERR_0); - t4_read_indirect(adap, TP_MIB_INDEX, TP_MIB_DATA, &st->ofldNoNeigh, - 2, TP_MIB_OFD_ARP_DROP); -} - -/** * t4_read_mtu_tbl - returns the values in the HW path MTU table * @adap: the adapter * @mtus: where to store the MTU values @@ -1916,122 +1801,6 @@ void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, } /** - * t4_set_trace_filter - configure one of the tracing filters - * @adap: the adapter - * @tp: the desired trace filter parameters - * @idx: which filter to configure - * @enable: whether to enable or disable the filter - * - * Configures one of the tracing filters available in HW. If @enable is - * %0 @tp is not examined and may be %NULL. - */ -int t4_set_trace_filter(struct adapter *adap, const struct trace_params *tp, - int idx, int enable) -{ - int i, ofst = idx * 4; - u32 data_reg, mask_reg, cfg; - u32 multitrc = TRCMULTIFILTER; - - if (!enable) { - t4_write_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A + ofst, 0); - goto out; - } - - if (tp->port > 11 || tp->invert > 1 || tp->skip_len > 0x1f || - tp->skip_ofst > 0x1f || tp->min_len > 0x1ff || - tp->snap_len > 9600 || (idx && tp->snap_len > 256)) - return -EINVAL; - - if (tp->snap_len > 256) { /* must be tracer 0 */ - if ((t4_read_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A + 4) | - t4_read_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A + 8) | - t4_read_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A + 12)) & TFEN) - return -EINVAL; /* other tracers are enabled */ - multitrc = 0; - } else if (idx) { - i = t4_read_reg(adap, MPS_TRC_FILTER_MATCH_CTL_B); - if (TFCAPTUREMAX_GET(i) > 256 && - (t4_read_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A) & TFEN)) - return -EINVAL; - } - - /* stop the tracer we'll be changing */ - t4_write_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A + ofst, 0); - - /* disable tracing globally if running in the wrong single/multi mode */ - cfg = t4_read_reg(adap, MPS_TRC_CFG); - if ((cfg & TRCEN) && multitrc != (cfg & TRCMULTIFILTER)) { - t4_write_reg(adap, MPS_TRC_CFG, cfg ^ TRCEN); - t4_read_reg(adap, MPS_TRC_CFG); /* flush */ - msleep(1); - if (!(t4_read_reg(adap, MPS_TRC_CFG) & TRCFIFOEMPTY)) - return -ETIMEDOUT; - } - /* - * At this point either the tracing is enabled and in the right mode or - * disabled. - */ - - idx *= (MPS_TRC_FILTER1_MATCH - MPS_TRC_FILTER0_MATCH); - data_reg = MPS_TRC_FILTER0_MATCH + idx; - mask_reg = MPS_TRC_FILTER0_DONT_CARE + idx; - - for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) { - t4_write_reg(adap, data_reg, tp->data[i]); - t4_write_reg(adap, mask_reg, ~tp->mask[i]); - } - t4_write_reg(adap, MPS_TRC_FILTER_MATCH_CTL_B + ofst, - TFCAPTUREMAX(tp->snap_len) | - TFMINPKTSIZE(tp->min_len)); - t4_write_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A + ofst, - TFOFFSET(tp->skip_ofst) | TFLENGTH(tp->skip_len) | - TFPORT(tp->port) | TFEN | - (tp->invert ? TFINVERTMATCH : 0)); - - cfg &= ~TRCMULTIFILTER; - t4_write_reg(adap, MPS_TRC_CFG, cfg | TRCEN | multitrc); -out: t4_read_reg(adap, MPS_TRC_CFG); /* flush */ - return 0; -} - -/** - * t4_get_trace_filter - query one of the tracing filters - * @adap: the adapter - * @tp: the current trace filter parameters - * @idx: which trace filter to query - * @enabled: non-zero if the filter is enabled - * - * Returns the current settings of one of the HW tracing filters. - */ -void t4_get_trace_filter(struct adapter *adap, struct trace_params *tp, int idx, - int *enabled) -{ - u32 ctla, ctlb; - int i, ofst = idx * 4; - u32 data_reg, mask_reg; - - ctla = t4_read_reg(adap, MPS_TRC_FILTER_MATCH_CTL_A + ofst); - ctlb = t4_read_reg(adap, MPS_TRC_FILTER_MATCH_CTL_B + ofst); - - *enabled = !!(ctla & TFEN); - tp->snap_len = TFCAPTUREMAX_GET(ctlb); - tp->min_len = TFMINPKTSIZE_GET(ctlb); - tp->skip_ofst = TFOFFSET_GET(ctla); - tp->skip_len = TFLENGTH_GET(ctla); - tp->invert = !!(ctla & TFINVERTMATCH); - tp->port = TFPORT_GET(ctla); - - ofst = (MPS_TRC_FILTER1_MATCH - MPS_TRC_FILTER0_MATCH) * idx; - data_reg = MPS_TRC_FILTER0_MATCH + ofst; - mask_reg = MPS_TRC_FILTER0_DONT_CARE + ofst; - - for (i = 0; i < TRACE_LEN / 4; i++, data_reg += 4, mask_reg += 4) { - tp->mask[i] = ~t4_read_reg(adap, mask_reg); - tp->data[i] = t4_read_reg(adap, data_reg) & tp->mask[i]; - } -} - -/** * get_mps_bg_map - return the buffer groups associated with a port * @adap: the adapter * @idx: the port index @@ -2133,52 +1902,6 @@ void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p) } /** - * t4_get_lb_stats - collect loopback port statistics - * @adap: the adapter - * @idx: the loopback port index - * @p: the stats structure to fill - * - * Return HW statistics for the given loopback port. - */ -void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p) -{ - u32 bgmap = get_mps_bg_map(adap, idx); - -#define GET_STAT(name) \ - t4_read_reg64(adap, PORT_REG(idx, MPS_PORT_STAT_LB_PORT_##name##_L)) -#define GET_STAT_COM(name) t4_read_reg64(adap, MPS_STAT_##name##_L) - - p->octets = GET_STAT(BYTES); - p->frames = GET_STAT(FRAMES); - p->bcast_frames = GET_STAT(BCAST); - p->mcast_frames = GET_STAT(MCAST); - p->ucast_frames = GET_STAT(UCAST); - p->error_frames = GET_STAT(ERROR); - - p->frames_64 = GET_STAT(64B); - p->frames_65_127 = GET_STAT(65B_127B); - p->frames_128_255 = GET_STAT(128B_255B); - p->frames_256_511 = GET_STAT(256B_511B); - p->frames_512_1023 = GET_STAT(512B_1023B); - p->frames_1024_1518 = GET_STAT(1024B_1518B); - p->frames_1519_max = GET_STAT(1519B_MAX); - p->drop = t4_read_reg(adap, PORT_REG(idx, - MPS_PORT_STAT_LB_PORT_DROP_FRAMES)); - - p->ovflow0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_LB_DROP_FRAME) : 0; - p->ovflow1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_LB_DROP_FRAME) : 0; - p->ovflow2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_LB_DROP_FRAME) : 0; - p->ovflow3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_LB_DROP_FRAME) : 0; - p->trunc0 = (bgmap & 1) ? GET_STAT_COM(RX_BG_0_LB_TRUNC_FRAME) : 0; - p->trunc1 = (bgmap & 2) ? GET_STAT_COM(RX_BG_1_LB_TRUNC_FRAME) : 0; - p->trunc2 = (bgmap & 4) ? GET_STAT_COM(RX_BG_2_LB_TRUNC_FRAME) : 0; - p->trunc3 = (bgmap & 8) ? GET_STAT_COM(RX_BG_3_LB_TRUNC_FRAME) : 0; - -#undef GET_STAT -#undef GET_STAT_COM -} - -/** * t4_wol_magic_enable - enable/disable magic packet WoL * @adap: the adapter * @port: the physical port index @@ -2584,30 +2307,6 @@ int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, } /** - * t4_free_vi - free a virtual interface - * @adap: the adapter - * @mbox: mailbox to use for the FW command - * @pf: the PF owning the VI - * @vf: the VF owning the VI - * @viid: virtual interface identifiler - * - * Free a previously allocated virtual interface. - */ -int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf, - unsigned int vf, unsigned int viid) -{ - struct fw_vi_cmd c; - - memset(&c, 0, sizeof(c)); - c.op_to_vfn = htonl(FW_CMD_OP(FW_VI_CMD) | FW_CMD_REQUEST | - FW_CMD_EXEC | FW_VI_CMD_PFN(pf) | - FW_VI_CMD_VFN(vf)); - c.alloc_to_len16 = htonl(FW_VI_CMD_FREE | FW_LEN16(c)); - c.type_viid = htons(FW_VI_CMD_VIID(viid)); - return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); -} - -/** * t4_set_rxmode - set Rx properties of a virtual interface * @adap: the adapter * @mbox: mailbox to use for the FW command @@ -2833,37 +2532,6 @@ int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, } /** - * t4_iq_start_stop - enable/disable an ingress queue and its FLs - * @adap: the adapter - * @mbox: mailbox to use for the FW command - * @start: %true to enable the queues, %false to disable them - * @pf: the PF owning the queues - * @vf: the VF owning the queues - * @iqid: ingress queue id - * @fl0id: FL0 queue id or 0xffff if no attached FL0 - * @fl1id: FL1 queue id or 0xffff if no attached FL1 - * - * Starts or stops an ingress queue and its associated FLs, if any. - */ -int t4_iq_start_stop(struct adapter *adap, unsigned int mbox, bool start, - unsigned int pf, unsigned int vf, unsigned int iqid, - unsigned int fl0id, unsigned int fl1id) -{ - struct fw_iq_cmd c; - - memset(&c, 0, sizeof(c)); - c.op_to_vfn = htonl(FW_CMD_OP(FW_IQ_CMD) | FW_CMD_REQUEST | - FW_CMD_EXEC | FW_IQ_CMD_PFN(pf) | - FW_IQ_CMD_VFN(vf)); - c.alloc_to_len16 = htonl(FW_IQ_CMD_IQSTART(start) | - FW_IQ_CMD_IQSTOP(!start) | FW_LEN16(c)); - c.iqid = htons(iqid); - c.fl0id = htons(fl0id); - c.fl1id = htons(fl1id); - return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); -} - -/** * t4_iq_free - free an ingress queue and its FLs * @adap: the adapter * @mbox: mailbox to use for the FW command |