cxgb4: function namespace cleanup (v3)

Make functions only used in one file local.
Remove lots of dead code, relating to unsupported functions
in mainline driver like RSS, IPv6, and TCP offload.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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