diff options
Diffstat (limited to 'drivers/net/cxgbe/base/t4_hw.c')
-rw-r--r-- | drivers/net/cxgbe/base/t4_hw.c | 783 |
1 files changed, 603 insertions, 180 deletions
diff --git a/drivers/net/cxgbe/base/t4_hw.c b/drivers/net/cxgbe/base/t4_hw.c index 56f38c83..e5ef73b6 100644 --- a/drivers/net/cxgbe/base/t4_hw.c +++ b/drivers/net/cxgbe/base/t4_hw.c @@ -1,34 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2014-2017 Chelsio Communications. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Chelsio Communications nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Chelsio Communications. + * All rights reserved. */ #include <netinet/in.h> @@ -55,9 +27,6 @@ #include "t4_regs_values.h" #include "t4fw_interface.h" -static void init_link_config(struct link_config *lc, unsigned int pcaps, - unsigned int acaps); - /** * t4_read_mtu_tbl - returns the values in the HW path MTU table * @adap: the adapter @@ -2167,6 +2136,91 @@ int t4_seeprom_wp(struct adapter *adapter, int enable) } /** + * t4_fw_tp_pio_rw - Access TP PIO through LDST + * @adap: the adapter + * @vals: where the indirect register values are stored/written + * @nregs: how many indirect registers to read/write + * @start_idx: index of first indirect register to read/write + * @rw: Read (1) or Write (0) + * + * Access TP PIO registers through LDST + */ +void t4_fw_tp_pio_rw(struct adapter *adap, u32 *vals, unsigned int nregs, + unsigned int start_index, unsigned int rw) +{ + int cmd = FW_LDST_ADDRSPC_TP_PIO; + struct fw_ldst_cmd c; + unsigned int i; + int ret; + + for (i = 0 ; i < nregs; i++) { + memset(&c, 0, sizeof(c)); + c.op_to_addrspace = cpu_to_be32(V_FW_CMD_OP(FW_LDST_CMD) | + F_FW_CMD_REQUEST | + (rw ? F_FW_CMD_READ : + F_FW_CMD_WRITE) | + V_FW_LDST_CMD_ADDRSPACE(cmd)); + c.cycles_to_len16 = cpu_to_be32(FW_LEN16(c)); + + c.u.addrval.addr = cpu_to_be32(start_index + i); + c.u.addrval.val = rw ? 0 : cpu_to_be32(vals[i]); + ret = t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), &c); + if (ret == 0) { + if (rw) + vals[i] = be32_to_cpu(c.u.addrval.val); + } + } +} + +/** + * t4_read_rss_key - read the global RSS key + * @adap: the adapter + * @key: 10-entry array holding the 320-bit RSS key + * + * Reads the global 320-bit RSS key. + */ +void t4_read_rss_key(struct adapter *adap, u32 *key) +{ + t4_fw_tp_pio_rw(adap, key, 10, A_TP_RSS_SECRET_KEY0, 1); +} + +/** + * t4_write_rss_key - program one of the RSS keys + * @adap: the adapter + * @key: 10-entry array holding the 320-bit RSS key + * @idx: which RSS key to write + * + * Writes one of the RSS keys with the given 320-bit value. If @idx is + * 0..15 the corresponding entry in the RSS key table is written, + * otherwise the global RSS key is written. + */ +void t4_write_rss_key(struct adapter *adap, u32 *key, int idx) +{ + u32 vrt = t4_read_reg(adap, A_TP_RSS_CONFIG_VRT); + u8 rss_key_addr_cnt = 16; + + /* T6 and later: for KeyMode 3 (per-vf and per-vf scramble), + * allows access to key addresses 16-63 by using KeyWrAddrX + * as index[5:4](upper 2) into key table + */ + if ((CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) && + (vrt & F_KEYEXTEND) && (G_KEYMODE(vrt) == 3)) + rss_key_addr_cnt = 32; + + t4_fw_tp_pio_rw(adap, key, 10, A_TP_RSS_SECRET_KEY0, 0); + + if (idx >= 0 && idx < rss_key_addr_cnt) { + if (rss_key_addr_cnt > 16) + t4_write_reg(adap, A_TP_RSS_CONFIG_VRT, + V_KEYWRADDRX(idx >> 4) | + V_T6_VFWRADDR(idx) | F_KEYWREN); + else + t4_write_reg(adap, A_TP_RSS_CONFIG_VRT, + V_KEYWRADDR(idx) | F_KEYWREN); + } +} + +/** * t4_config_rss_range - configure a portion of the RSS mapping table * @adapter: the adapter * @mbox: mbox to use for the FW command @@ -2257,7 +2311,11 @@ int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, * Send this portion of the RRS table update to the firmware; * bail out on any errors. */ - ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), NULL); + if (is_pf4(adapter)) + ret = t4_wr_mbox(adapter, mbox, &cmd, sizeof(cmd), + NULL); + else + ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); if (ret) return ret; } @@ -2287,7 +2345,44 @@ int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid, c.retval_len16 = cpu_to_be32(FW_LEN16(c)); c.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(flags | V_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(defq)); - return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL); + if (is_pf4(adapter)) + return t4_wr_mbox(adapter, mbox, &c, sizeof(c), NULL); + else + return t4vf_wr_mbox(adapter, &c, sizeof(c), NULL); +} + +/** + * t4_read_config_vi_rss - read the configured per VI RSS settings + * @adapter: the adapter + * @mbox: mbox to use for the FW command + * @viid: the VI id + * @flags: where to place the configured flags + * @defq: where to place the id of the default RSS queue for the VI. + * + * Read configured VI-specific RSS properties. + */ +int t4_read_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid, + u64 *flags, unsigned int *defq) +{ + struct fw_rss_vi_config_cmd c; + unsigned int result; + int ret; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(V_FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_READ | + V_FW_RSS_VI_CONFIG_CMD_VIID(viid)); + c.retval_len16 = cpu_to_be32(FW_LEN16(c)); + ret = t4_wr_mbox(adapter, mbox, &c, sizeof(c), &c); + if (!ret) { + result = be32_to_cpu(c.u.basicvirtual.defaultq_to_udpen); + if (defq) + *defq = G_FW_RSS_VI_CONFIG_CMD_DEFAULTQ(result); + if (flags) + *flags = result & M_FW_RSS_VI_CONFIG_CMD_DEFAULTQ; + } + + return ret; } /** @@ -2670,14 +2765,142 @@ void t4_dump_version_info(struct adapter *adapter) G_FW_HDR_FW_VER_BUILD(adapter->params.er_vers)); } -#define ADVERT_MASK (V_FW_PORT_CAP_SPEED(M_FW_PORT_CAP_SPEED) | \ - FW_PORT_CAP_ANEG) +#define ADVERT_MASK (V_FW_PORT_CAP32_SPEED(M_FW_PORT_CAP32_SPEED) | \ + FW_PORT_CAP32_ANEG) +/** + * fwcaps16_to_caps32 - convert 16-bit Port Capabilities to 32-bits + * @caps16: a 16-bit Port Capabilities value + * + * Returns the equivalent 32-bit Port Capabilities value. + */ +fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16) +{ + fw_port_cap32_t caps32 = 0; + +#define CAP16_TO_CAP32(__cap) \ + do { \ + if (caps16 & FW_PORT_CAP_##__cap) \ + caps32 |= FW_PORT_CAP32_##__cap; \ + } while (0) + + CAP16_TO_CAP32(SPEED_100M); + CAP16_TO_CAP32(SPEED_1G); + CAP16_TO_CAP32(SPEED_25G); + CAP16_TO_CAP32(SPEED_10G); + CAP16_TO_CAP32(SPEED_40G); + CAP16_TO_CAP32(SPEED_100G); + CAP16_TO_CAP32(FC_RX); + CAP16_TO_CAP32(FC_TX); + CAP16_TO_CAP32(ANEG); + CAP16_TO_CAP32(MDIX); + CAP16_TO_CAP32(MDIAUTO); + CAP16_TO_CAP32(FEC_RS); + CAP16_TO_CAP32(FEC_BASER_RS); + CAP16_TO_CAP32(802_3_PAUSE); + CAP16_TO_CAP32(802_3_ASM_DIR); + +#undef CAP16_TO_CAP32 + + return caps32; +} + +/** + * fwcaps32_to_caps16 - convert 32-bit Port Capabilities to 16-bits + * @caps32: a 32-bit Port Capabilities value + * + * Returns the equivalent 16-bit Port Capabilities value. Note that + * not all 32-bit Port Capabilities can be represented in the 16-bit + * Port Capabilities and some fields/values may not make it. + */ +static fw_port_cap16_t fwcaps32_to_caps16(fw_port_cap32_t caps32) +{ + fw_port_cap16_t caps16 = 0; + +#define CAP32_TO_CAP16(__cap) \ + do { \ + if (caps32 & FW_PORT_CAP32_##__cap) \ + caps16 |= FW_PORT_CAP_##__cap; \ + } while (0) + + CAP32_TO_CAP16(SPEED_100M); + CAP32_TO_CAP16(SPEED_1G); + CAP32_TO_CAP16(SPEED_10G); + CAP32_TO_CAP16(SPEED_25G); + CAP32_TO_CAP16(SPEED_40G); + CAP32_TO_CAP16(SPEED_100G); + CAP32_TO_CAP16(FC_RX); + CAP32_TO_CAP16(FC_TX); + CAP32_TO_CAP16(802_3_PAUSE); + CAP32_TO_CAP16(802_3_ASM_DIR); + CAP32_TO_CAP16(ANEG); + CAP32_TO_CAP16(MDIX); + CAP32_TO_CAP16(MDIAUTO); + CAP32_TO_CAP16(FEC_RS); + CAP32_TO_CAP16(FEC_BASER_RS); + +#undef CAP32_TO_CAP16 + + return caps16; +} + +/* Translate Firmware Pause specification to Common Code */ +static inline enum cc_pause fwcap_to_cc_pause(fw_port_cap32_t fw_pause) +{ + enum cc_pause cc_pause = 0; + + if (fw_pause & FW_PORT_CAP32_FC_RX) + cc_pause |= PAUSE_RX; + if (fw_pause & FW_PORT_CAP32_FC_TX) + cc_pause |= PAUSE_TX; + + return cc_pause; +} + +/* Translate Common Code Pause Frame specification into Firmware */ +static inline fw_port_cap32_t cc_to_fwcap_pause(enum cc_pause cc_pause) +{ + fw_port_cap32_t fw_pause = 0; + + if (cc_pause & PAUSE_RX) + fw_pause |= FW_PORT_CAP32_FC_RX; + if (cc_pause & PAUSE_TX) + fw_pause |= FW_PORT_CAP32_FC_TX; + + return fw_pause; +} + +/* Translate Firmware Forward Error Correction specification to Common Code */ +static inline enum cc_fec fwcap_to_cc_fec(fw_port_cap32_t fw_fec) +{ + enum cc_fec cc_fec = 0; + + if (fw_fec & FW_PORT_CAP32_FEC_RS) + cc_fec |= FEC_RS; + if (fw_fec & FW_PORT_CAP32_FEC_BASER_RS) + cc_fec |= FEC_BASER_RS; + + return cc_fec; +} + +/* Translate Common Code Forward Error Correction specification to Firmware */ +static inline fw_port_cap32_t cc_to_fwcap_fec(enum cc_fec cc_fec) +{ + fw_port_cap32_t fw_fec = 0; + + if (cc_fec & FEC_RS) + fw_fec |= FW_PORT_CAP32_FEC_RS; + if (cc_fec & FEC_BASER_RS) + fw_fec |= FW_PORT_CAP32_FEC_BASER_RS; + + return fw_fec; +} /** * t4_link_l1cfg - apply link configuration to MAC/PHY - * @phy: the PHY to setup - * @mac: the MAC to setup - * @lc: the requested link configuration + * @adapter: the adapter + * @mbox: the Firmware Mailbox to use + * @port: the Port ID + * @lc: the Port's Link Configuration * * Set up a port's MAC and PHY according to a desired link configuration. * - If the PHY can auto-negotiate first decide what to advertise, then @@ -2689,48 +2912,60 @@ void t4_dump_version_info(struct adapter *adapter) int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port, struct link_config *lc) { - struct fw_port_cmd c; - unsigned int mdi = V_FW_PORT_CAP_MDI(FW_PORT_CAP_MDI_AUTO); - unsigned int fc, fec; + unsigned int fw_mdi = V_FW_PORT_CAP32_MDI(FW_PORT_CAP32_MDI_AUTO); + unsigned int fw_caps = adap->params.fw_caps_support; + fw_port_cap32_t fw_fc, cc_fec, fw_fec, rcap; + struct fw_port_cmd cmd; lc->link_ok = 0; - fc = 0; - if (lc->requested_fc & PAUSE_RX) - fc |= FW_PORT_CAP_FC_RX; - if (lc->requested_fc & PAUSE_TX) - fc |= FW_PORT_CAP_FC_TX; - - fec = 0; - if (lc->requested_fec & FEC_RS) - fec |= FW_PORT_CAP_FEC_RS; - if (lc->requested_fec & FEC_BASER_RS) - fec |= FW_PORT_CAP_FEC_BASER_RS; - if (lc->requested_fec & FEC_RESERVED) - fec |= FW_PORT_CAP_FEC_RESERVED; - memset(&c, 0, sizeof(c)); - c.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) | - F_FW_CMD_REQUEST | F_FW_CMD_EXEC | - V_FW_PORT_CMD_PORTID(port)); - c.action_to_len16 = - cpu_to_be32(V_FW_PORT_CMD_ACTION(FW_PORT_ACTION_L1_CFG) | - FW_LEN16(c)); - - if (!(lc->supported & FW_PORT_CAP_ANEG)) { - c.u.l1cfg.rcap = cpu_to_be32((lc->supported & ADVERT_MASK) | - fc | fec); + fw_fc = cc_to_fwcap_pause(lc->requested_fc); + + /* Convert Common Code Forward Error Control settings into the + * Firmware's API. If the current Requested FEC has "Automatic" + * (IEEE 802.3) specified, then we use whatever the Firmware + * sent us as part of it's IEEE 802.3-based interpratation of + * the Transceiver Module EPROM FEC parameters. Otherwise we + * use whatever is in the current Requested FEC settings. + */ + if (lc->requested_fec & FEC_AUTO) + cc_fec = lc->auto_fec; + else + cc_fec = lc->requested_fec; + fw_fec = cc_to_fwcap_fec(cc_fec); + + /* Figure out what our Requested Port Capabilities are going to be. + */ + if (!(lc->pcaps & FW_PORT_CAP32_ANEG)) { + rcap = (lc->pcaps & ADVERT_MASK) | fw_fc | fw_fec; lc->fc = lc->requested_fc & ~PAUSE_AUTONEG; - lc->fec = lc->requested_fec; + lc->fec = cc_fec; } else if (lc->autoneg == AUTONEG_DISABLE) { - c.u.l1cfg.rcap = cpu_to_be32(lc->requested_speed | fc | - fec | mdi); + rcap = lc->requested_speed | fw_fc | fw_fec | fw_mdi; lc->fc = lc->requested_fc & ~PAUSE_AUTONEG; - lc->fec = lc->requested_fec; + lc->fec = cc_fec; } else { - c.u.l1cfg.rcap = cpu_to_be32(lc->advertising | fc | fec | mdi); + rcap = lc->acaps | fw_fc | fw_fec | fw_mdi; } - return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + /* And send that on to the Firmware ... + */ + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) | + F_FW_CMD_REQUEST | F_FW_CMD_EXEC | + V_FW_PORT_CMD_PORTID(port)); + cmd.action_to_len16 = + cpu_to_be32(V_FW_PORT_CMD_ACTION(fw_caps == FW_CAPS16 ? + FW_PORT_ACTION_L1_CFG : + FW_PORT_ACTION_L1_CFG32) | + FW_LEN16(cmd)); + + if (fw_caps == FW_CAPS16) + cmd.u.l1cfg.rcap = cpu_to_be32(fwcaps32_to_caps16(rcap)); + else + cmd.u.l1cfg32.rcap32 = cpu_to_be32(rcap); + + return t4_wr_mbox(adap, mbox, &cmd, sizeof(cmd), NULL); } /** @@ -3823,12 +4058,17 @@ int t4_free_vi(struct adapter *adap, unsigned int mbox, unsigned int pf, memset(&c, 0, sizeof(c)); c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_VI_CMD) | F_FW_CMD_REQUEST | - F_FW_CMD_EXEC | V_FW_VI_CMD_PFN(pf) | - V_FW_VI_CMD_VFN(vf)); + F_FW_CMD_EXEC); + if (is_pf4(adap)) + c.op_to_vfn |= cpu_to_be32(V_FW_VI_CMD_PFN(pf) | + V_FW_VI_CMD_VFN(vf)); c.alloc_to_len16 = cpu_to_be32(F_FW_VI_CMD_FREE | FW_LEN16(c)); c.type_to_viid = cpu_to_be16(V_FW_VI_CMD_VIID(viid)); - return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + if (is_pf4(adap)) + return t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + else + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); } /** @@ -3874,7 +4114,11 @@ int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, V_FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) | V_FW_VI_RXMODE_CMD_BROADCASTEN(bcast) | V_FW_VI_RXMODE_CMD_VLANEXEN(vlanex)); - return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, sleep_ok); + if (is_pf4(adap)) + return t4_wr_mbox_meat(adap, mbox, &c, sizeof(c), NULL, + sleep_ok); + else + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); } /** @@ -3921,7 +4165,10 @@ int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, V_FW_VI_MAC_CMD_IDX(idx)); memcpy(p->macaddr, addr, sizeof(p->macaddr)); - ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + if (is_pf4(adap)) + ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + else + ret = t4vf_wr_mbox(adap, &c, sizeof(c), &c); if (ret == 0) { ret = G_FW_VI_MAC_CMD_IDX(be16_to_cpu(p->valid_to_idx)); if (ret >= max_mac_addr) @@ -3955,7 +4202,10 @@ int t4_enable_vi_params(struct adapter *adap, unsigned int mbox, V_FW_VI_ENABLE_CMD_EEN(tx_en) | V_FW_VI_ENABLE_CMD_DCB_INFO(dcb_en) | FW_LEN16(c)); - return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL); + if (is_pf4(adap)) + return t4_wr_mbox_ns(adap, mbox, &c, sizeof(c), NULL); + else + return t4vf_wr_mbox_ns(adap, &c, sizeof(c), NULL); } /** @@ -3996,15 +4246,20 @@ int t4_iq_start_stop(struct adapter *adap, unsigned int mbox, bool start, memset(&c, 0, sizeof(c)); c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST | - F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) | - V_FW_IQ_CMD_VFN(vf)); + F_FW_CMD_EXEC); c.alloc_to_len16 = cpu_to_be32(V_FW_IQ_CMD_IQSTART(start) | V_FW_IQ_CMD_IQSTOP(!start) | FW_LEN16(c)); c.iqid = cpu_to_be16(iqid); c.fl0id = cpu_to_be16(fl0id); c.fl1id = cpu_to_be16(fl1id); - return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + if (is_pf4(adap)) { + c.op_to_vfn |= cpu_to_be32(V_FW_IQ_CMD_PFN(pf) | + V_FW_IQ_CMD_VFN(vf)); + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + } else { + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); + } } /** @@ -4028,14 +4283,19 @@ int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, memset(&c, 0, sizeof(c)); c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_IQ_CMD) | F_FW_CMD_REQUEST | - F_FW_CMD_EXEC | V_FW_IQ_CMD_PFN(pf) | - V_FW_IQ_CMD_VFN(vf)); + F_FW_CMD_EXEC); + if (is_pf4(adap)) + c.op_to_vfn |= cpu_to_be32(V_FW_IQ_CMD_PFN(pf) | + V_FW_IQ_CMD_VFN(vf)); c.alloc_to_len16 = cpu_to_be32(F_FW_IQ_CMD_FREE | FW_LEN16(c)); c.type_to_iqandstindex = cpu_to_be32(V_FW_IQ_CMD_TYPE(iqtype)); c.iqid = cpu_to_be16(iqid); c.fl0id = cpu_to_be16(fl0id); c.fl1id = cpu_to_be16(fl1id); - return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + if (is_pf4(adap)) + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + else + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); } /** @@ -4055,12 +4315,179 @@ int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, memset(&c, 0, sizeof(c)); c.op_to_vfn = cpu_to_be32(V_FW_CMD_OP(FW_EQ_ETH_CMD) | - F_FW_CMD_REQUEST | F_FW_CMD_EXEC | - V_FW_EQ_ETH_CMD_PFN(pf) | - V_FW_EQ_ETH_CMD_VFN(vf)); + F_FW_CMD_REQUEST | F_FW_CMD_EXEC); + if (is_pf4(adap)) + c.op_to_vfn |= cpu_to_be32(V_FW_IQ_CMD_PFN(pf) | + V_FW_IQ_CMD_VFN(vf)); c.alloc_to_len16 = cpu_to_be32(F_FW_EQ_ETH_CMD_FREE | FW_LEN16(c)); c.eqid_pkd = cpu_to_be32(V_FW_EQ_ETH_CMD_EQID(eqid)); - return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + if (is_pf4(adap)) + return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); + else + return t4vf_wr_mbox(adap, &c, sizeof(c), NULL); +} + +/** + * t4_link_down_rc_str - return a string for a Link Down Reason Code + * @link_down_rc: Link Down Reason Code + * + * Returns a string representation of the Link Down Reason Code. + */ +static const char *t4_link_down_rc_str(unsigned char link_down_rc) +{ + static const char * const reason[] = { + "Link Down", + "Remote Fault", + "Auto-negotiation Failure", + "Reserved", + "Insufficient Airflow", + "Unable To Determine Reason", + "No RX Signal Detected", + "Reserved", + }; + + if (link_down_rc >= ARRAY_SIZE(reason)) + return "Bad Reason Code"; + + return reason[link_down_rc]; +} + +/* Return the highest speed set in the port capabilities, in Mb/s. */ +static unsigned int fwcap_to_speed(fw_port_cap32_t caps) +{ +#define TEST_SPEED_RETURN(__caps_speed, __speed) \ + do { \ + if (caps & FW_PORT_CAP32_SPEED_##__caps_speed) \ + return __speed; \ + } while (0) + + TEST_SPEED_RETURN(100G, 100000); + TEST_SPEED_RETURN(50G, 50000); + TEST_SPEED_RETURN(40G, 40000); + TEST_SPEED_RETURN(25G, 25000); + TEST_SPEED_RETURN(10G, 10000); + TEST_SPEED_RETURN(1G, 1000); + TEST_SPEED_RETURN(100M, 100); + +#undef TEST_SPEED_RETURN + + return 0; +} + +/** + * t4_handle_get_port_info - process a FW reply message + * @pi: the port info + * @rpl: start of the FW message + * + * Processes a GET_PORT_INFO FW reply message. + */ +static void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl) +{ + const struct fw_port_cmd *cmd = (const void *)rpl; + int action = G_FW_PORT_CMD_ACTION(be32_to_cpu(cmd->action_to_len16)); + fw_port_cap32_t pcaps, acaps, linkattr; + struct link_config *lc = &pi->link_cfg; + struct adapter *adapter = pi->adapter; + enum fw_port_module_type mod_type; + enum fw_port_type port_type; + unsigned int speed, fc, fec; + int link_ok, linkdnrc; + + /* Extract the various fields from the Port Information message. + */ + switch (action) { + case FW_PORT_ACTION_GET_PORT_INFO: { + u32 lstatus = be32_to_cpu(cmd->u.info.lstatus_to_modtype); + + link_ok = (lstatus & F_FW_PORT_CMD_LSTATUS) != 0; + linkdnrc = G_FW_PORT_CMD_LINKDNRC(lstatus); + port_type = G_FW_PORT_CMD_PTYPE(lstatus); + mod_type = G_FW_PORT_CMD_MODTYPE(lstatus); + pcaps = fwcaps16_to_caps32(be16_to_cpu(cmd->u.info.pcap)); + acaps = fwcaps16_to_caps32(be16_to_cpu(cmd->u.info.acap)); + + /* Unfortunately the format of the Link Status in the old + * 16-bit Port Information message isn't the same as the + * 16-bit Port Capabilities bitfield used everywhere else ... + */ + linkattr = 0; + if (lstatus & F_FW_PORT_CMD_RXPAUSE) + linkattr |= FW_PORT_CAP32_FC_RX; + if (lstatus & F_FW_PORT_CMD_TXPAUSE) + linkattr |= FW_PORT_CAP32_FC_TX; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M)) + linkattr |= FW_PORT_CAP32_SPEED_100M; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G)) + linkattr |= FW_PORT_CAP32_SPEED_1G; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G)) + linkattr |= FW_PORT_CAP32_SPEED_10G; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_25G)) + linkattr |= FW_PORT_CAP32_SPEED_25G; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_40G)) + linkattr |= FW_PORT_CAP32_SPEED_40G; + if (lstatus & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100G)) + linkattr |= FW_PORT_CAP32_SPEED_100G; + + break; + } + + case FW_PORT_ACTION_GET_PORT_INFO32: { + u32 lstatus32 = + be32_to_cpu(cmd->u.info32.lstatus32_to_cbllen32); + + link_ok = (lstatus32 & F_FW_PORT_CMD_LSTATUS32) != 0; + linkdnrc = G_FW_PORT_CMD_LINKDNRC32(lstatus32); + port_type = G_FW_PORT_CMD_PORTTYPE32(lstatus32); + mod_type = G_FW_PORT_CMD_MODTYPE32(lstatus32); + pcaps = be32_to_cpu(cmd->u.info32.pcaps32); + acaps = be32_to_cpu(cmd->u.info32.acaps32); + linkattr = be32_to_cpu(cmd->u.info32.linkattr32); + break; + } + + default: + dev_warn(adapter, "Handle Port Information: Bad Command/Action %#x\n", + be32_to_cpu(cmd->action_to_len16)); + return; + } + + fec = fwcap_to_cc_fec(acaps); + + fc = fwcap_to_cc_pause(linkattr); + speed = fwcap_to_speed(linkattr); + + if (mod_type != pi->mod_type) { + lc->auto_fec = fec; + pi->port_type = port_type; + pi->mod_type = mod_type; + t4_os_portmod_changed(adapter, pi->pidx); + } + if (link_ok != lc->link_ok || speed != lc->speed || + fc != lc->fc || fec != lc->fec) { /* something changed */ + if (!link_ok && lc->link_ok) { + lc->link_down_rc = linkdnrc; + dev_warn(adap, "Port %d link down, reason: %s\n", + pi->tx_chan, t4_link_down_rc_str(linkdnrc)); + } + lc->link_ok = link_ok; + lc->speed = speed; + lc->fc = fc; + lc->fec = fec; + lc->pcaps = pcaps; + lc->acaps = acaps & ADVERT_MASK; + + if (lc->acaps & FW_PORT_CAP32_ANEG) { + lc->autoneg = AUTONEG_ENABLE; + } else { + /* When Autoneg is disabled, user needs to set + * single speed. + * Similar to cxgb4_ethtool.c: set_link_ksettings + */ + lc->acaps = 0; + lc->requested_speed = fwcap_to_speed(acaps); + lc->autoneg = AUTONEG_DISABLE; + } + } } /** @@ -4084,67 +4511,21 @@ int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl) unsigned int action = G_FW_PORT_CMD_ACTION(be32_to_cpu(p->action_to_len16)); - if (opcode == FW_PORT_CMD && action == FW_PORT_ACTION_GET_PORT_INFO) { + if (opcode == FW_PORT_CMD && + (action == FW_PORT_ACTION_GET_PORT_INFO || + action == FW_PORT_ACTION_GET_PORT_INFO32)) { /* link/module state change message */ - unsigned int speed = 0, fc = 0, i; int chan = G_FW_PORT_CMD_PORTID(be32_to_cpu(p->op_to_portid)); struct port_info *pi = NULL; - struct link_config *lc; - u32 stat = be32_to_cpu(p->u.info.lstatus_to_modtype); - int link_ok = (stat & F_FW_PORT_CMD_LSTATUS) != 0; - u32 mod = G_FW_PORT_CMD_MODTYPE(stat); - - if (stat & F_FW_PORT_CMD_RXPAUSE) - fc |= PAUSE_RX; - if (stat & F_FW_PORT_CMD_TXPAUSE) - fc |= PAUSE_TX; - if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M)) - speed = ETH_SPEED_NUM_100M; - else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G)) - speed = ETH_SPEED_NUM_1G; - else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G)) - speed = ETH_SPEED_NUM_10G; - else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_25G)) - speed = ETH_SPEED_NUM_25G; - else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_40G)) - speed = ETH_SPEED_NUM_40G; - else if (stat & V_FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100G)) - speed = ETH_SPEED_NUM_100G; + int i; for_each_port(adap, i) { pi = adap2pinfo(adap, i); if (pi->tx_chan == chan) break; } - lc = &pi->link_cfg; - if (mod != pi->mod_type) { - pi->mod_type = mod; - t4_os_portmod_changed(adap, i); - } - if (link_ok != lc->link_ok || speed != lc->speed || - fc != lc->fc) { /* something changed */ - if (!link_ok && lc->link_ok) { - static const char * const reason[] = { - "Link Down", - "Remote Fault", - "Auto-negotiation Failure", - "Reserved", - "Insufficient Airflow", - "Unable To Determine Reason", - "No RX Signal Detected", - "Reserved", - }; - unsigned int rc = G_FW_PORT_CMD_LINKDNRC(stat); - - dev_warn(adap, "Port %d link down, reason: %s\n", - chan, reason[rc]); - } - lc->link_ok = link_ok; - lc->speed = speed; - lc->fc = fc; - lc->supported = be16_to_cpu(p->u.info.pcap); - } + t4_handle_get_port_info(pi, rpl); } else { dev_warn(adap, "Unknown firmware reply %d\n", opcode); return -EINVAL; @@ -4173,12 +4554,10 @@ void t4_reset_link_config(struct adapter *adap, int idx) * Initializes the SW state maintained for each link, including the link's * capabilities and default speed/flow-control/autonegotiation settings. */ -static void init_link_config(struct link_config *lc, unsigned int pcaps, - unsigned int acaps) +void init_link_config(struct link_config *lc, fw_port_cap32_t pcaps, + fw_port_cap32_t acaps) { - unsigned int fec; - - lc->supported = pcaps; + lc->pcaps = pcaps; lc->requested_speed = 0; lc->speed = 0; lc->requested_fc = 0; @@ -4188,21 +4567,16 @@ static void init_link_config(struct link_config *lc, unsigned int pcaps, * For Forward Error Control, we default to whatever the Firmware * tells us the Link is currently advertising. */ - fec = 0; - if (acaps & FW_PORT_CAP_FEC_RS) - fec |= FEC_RS; - if (acaps & FW_PORT_CAP_FEC_BASER_RS) - fec |= FEC_BASER_RS; - if (acaps & FW_PORT_CAP_FEC_RESERVED) - fec |= FEC_RESERVED; - lc->requested_fec = fec; - lc->fec = fec; - - if (lc->supported & FW_PORT_CAP_ANEG) { - lc->advertising = lc->supported & ADVERT_MASK; + lc->auto_fec = fwcap_to_cc_fec(acaps); + lc->requested_fec = FEC_AUTO; + lc->fec = lc->auto_fec; + + if (lc->pcaps & FW_PORT_CAP32_ANEG) { + lc->acaps = lc->pcaps & ADVERT_MASK; lc->autoneg = AUTONEG_ENABLE; + lc->requested_fc |= PAUSE_AUTONEG; } else { - lc->advertising = 0; + lc->acaps = 0; lc->autoneg = AUTONEG_DISABLE; } } @@ -4723,46 +5097,95 @@ int t4_init_rss_mode(struct adapter *adap, int mbox) int t4_port_init(struct adapter *adap, int mbox, int pf, int vf) { - u8 addr[6]; + unsigned int fw_caps = adap->params.fw_caps_support; + fw_port_cap32_t pcaps, acaps; + enum fw_port_type port_type; + struct fw_port_cmd cmd; int ret, i, j = 0; - struct fw_port_cmd c; + int mdio_addr; + u32 action; + u8 addr[6]; - memset(&c, 0, sizeof(c)); + memset(&cmd, 0, sizeof(cmd)); for_each_port(adap, i) { + struct port_info *pi = adap2pinfo(adap, i); unsigned int rss_size = 0; - struct port_info *p = adap2pinfo(adap, i); while ((adap->params.portvec & (1 << j)) == 0) j++; - c.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) | - F_FW_CMD_REQUEST | F_FW_CMD_READ | - V_FW_PORT_CMD_PORTID(j)); - c.action_to_len16 = cpu_to_be32(V_FW_PORT_CMD_ACTION( - FW_PORT_ACTION_GET_PORT_INFO) | - FW_LEN16(c)); - ret = t4_wr_mbox(adap, mbox, &c, sizeof(c), &c); + /* If we haven't yet determined whether we're talking to + * Firmware which knows the new 32-bit Port Capabilities, it's + * time to find out now. This will also tell new Firmware to + * send us Port Status Updates using the new 32-bit Port + * Capabilities version of the Port Information message. + */ + if (fw_caps == FW_CAPS_UNKNOWN) { + u32 param, val, caps; + + caps = FW_PARAMS_PARAM_PFVF_PORT_CAPS32; + param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | + V_FW_PARAMS_PARAM_X(caps)); + val = 1; + ret = t4_set_params(adap, mbox, pf, vf, 1, ¶m, + &val); + fw_caps = ret == 0 ? FW_CAPS32 : FW_CAPS16; + adap->params.fw_caps_support = fw_caps; + } + + memset(&cmd, 0, sizeof(cmd)); + cmd.op_to_portid = cpu_to_be32(V_FW_CMD_OP(FW_PORT_CMD) | + F_FW_CMD_REQUEST | + F_FW_CMD_READ | + V_FW_PORT_CMD_PORTID(j)); + action = fw_caps == FW_CAPS16 ? FW_PORT_ACTION_GET_PORT_INFO : + FW_PORT_ACTION_GET_PORT_INFO32; + cmd.action_to_len16 = cpu_to_be32(V_FW_PORT_CMD_ACTION(action) | + FW_LEN16(cmd)); + ret = t4_wr_mbox(pi->adapter, mbox, &cmd, sizeof(cmd), &cmd); if (ret) return ret; + /* Extract the various fields from the Port Information message. + */ + if (fw_caps == FW_CAPS16) { + u32 lstatus = + be32_to_cpu(cmd.u.info.lstatus_to_modtype); + + port_type = G_FW_PORT_CMD_PTYPE(lstatus); + mdio_addr = (lstatus & F_FW_PORT_CMD_MDIOCAP) ? + (int)G_FW_PORT_CMD_MDIOADDR(lstatus) : -1; + pcaps = be16_to_cpu(cmd.u.info.pcap); + acaps = be16_to_cpu(cmd.u.info.acap); + pcaps = fwcaps16_to_caps32(pcaps); + acaps = fwcaps16_to_caps32(acaps); + } else { + u32 lstatus32 = + be32_to_cpu(cmd.u.info32.lstatus32_to_cbllen32); + + port_type = G_FW_PORT_CMD_PORTTYPE32(lstatus32); + mdio_addr = (lstatus32 & F_FW_PORT_CMD_MDIOCAP32) ? + (int)G_FW_PORT_CMD_MDIOADDR32(lstatus32) : + -1; + pcaps = be32_to_cpu(cmd.u.info32.pcaps32); + acaps = be32_to_cpu(cmd.u.info32.acaps32); + } + ret = t4_alloc_vi(adap, mbox, j, pf, vf, 1, addr, &rss_size); if (ret < 0) return ret; - p->viid = ret; - p->tx_chan = j; - p->rss_size = rss_size; + pi->viid = ret; + pi->tx_chan = j; + pi->rss_size = rss_size; t4_os_set_hw_addr(adap, i, addr); - ret = be32_to_cpu(c.u.info.lstatus_to_modtype); - p->mdio_addr = (ret & F_FW_PORT_CMD_MDIOCAP) ? - G_FW_PORT_CMD_MDIOADDR(ret) : -1; - p->port_type = G_FW_PORT_CMD_PTYPE(ret); - p->mod_type = FW_PORT_MOD_TYPE_NA; + pi->port_type = port_type; + pi->mdio_addr = mdio_addr; + pi->mod_type = FW_PORT_MOD_TYPE_NA; - init_link_config(&p->link_cfg, be16_to_cpu(c.u.info.pcap), - be16_to_cpu(c.u.info.acap)); + init_link_config(&pi->link_cfg, pcaps, acaps); j++; } return 0; |