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path: root/drivers/net/cxgb4/t4_hw.c
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Diffstat (limited to 'drivers/net/cxgb4/t4_hw.c')
-rw-r--r--drivers/net/cxgb4/t4_hw.c332
1 files changed, 0 insertions, 332 deletions
diff --git a/drivers/net/cxgb4/t4_hw.c b/drivers/net/cxgb4/t4_hw.c
index 9e1a4b49b47a..bb813d94aea8 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