diff options
Diffstat (limited to 'drivers/net/cxgb4vf/t4vf_hw.c')
| -rw-r--r-- | drivers/net/cxgb4vf/t4vf_hw.c | 1387 |
1 files changed, 0 insertions, 1387 deletions
diff --git a/drivers/net/cxgb4vf/t4vf_hw.c b/drivers/net/cxgb4vf/t4vf_hw.c deleted file mode 100644 index fe3fd3dad6f7..000000000000 --- a/drivers/net/cxgb4vf/t4vf_hw.c +++ /dev/null @@ -1,1387 +0,0 @@ -/* - * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet - * driver for Linux. - * - * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * 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. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include <linux/pci.h> - -#include "t4vf_common.h" -#include "t4vf_defs.h" - -#include "../cxgb4/t4_regs.h" -#include "../cxgb4/t4fw_api.h" - -/* - * Wait for the device to become ready (signified by our "who am I" register - * returning a value other than all 1's). Return an error if it doesn't - * become ready ... - */ -int __devinit t4vf_wait_dev_ready(struct adapter *adapter) -{ - const u32 whoami = T4VF_PL_BASE_ADDR + PL_VF_WHOAMI; - const u32 notready1 = 0xffffffff; - const u32 notready2 = 0xeeeeeeee; - u32 val; - - val = t4_read_reg(adapter, whoami); - if (val != notready1 && val != notready2) - return 0; - msleep(500); - val = t4_read_reg(adapter, whoami); - if (val != notready1 && val != notready2) - return 0; - else - return -EIO; -} - -/* - * Get the reply to a mailbox command and store it in @rpl in big-endian order - * (since the firmware data structures are specified in a big-endian layout). - */ -static void get_mbox_rpl(struct adapter *adapter, __be64 *rpl, int size, - u32 mbox_data) -{ - for ( ; size; size -= 8, mbox_data += 8) - *rpl++ = cpu_to_be64(t4_read_reg64(adapter, mbox_data)); -} - -/* - * Dump contents of mailbox with a leading tag. - */ -static void dump_mbox(struct adapter *adapter, const char *tag, u32 mbox_data) -{ - dev_err(adapter->pdev_dev, - "mbox %s: %llx %llx %llx %llx %llx %llx %llx %llx\n", tag, - (unsigned long long)t4_read_reg64(adapter, mbox_data + 0), - (unsigned long long)t4_read_reg64(adapter, mbox_data + 8), - (unsigned long long)t4_read_reg64(adapter, mbox_data + 16), - (unsigned long long)t4_read_reg64(adapter, mbox_data + 24), - (unsigned long long)t4_read_reg64(adapter, mbox_data + 32), - (unsigned long long)t4_read_reg64(adapter, mbox_data + 40), - (unsigned long long)t4_read_reg64(adapter, mbox_data + 48), - (unsigned long long)t4_read_reg64(adapter, mbox_data + 56)); -} - -/** - * t4vf_wr_mbox_core - send a command to FW through the mailbox - * @adapter: the adapter - * @cmd: the command to write - * @size: command length in bytes - * @rpl: where to optionally store the reply - * @sleep_ok: if true we may sleep while awaiting command completion - * - * Sends the given command to FW through the mailbox and waits for the - * FW to execute the command. If @rpl is not %NULL it is used to store - * the FW's reply to the command. The command and its optional reply - * are of the same length. FW can take up to 500 ms to respond. - * @sleep_ok determines whether we may sleep while awaiting the response. - * If sleeping is allowed we use progressive backoff otherwise we spin. - * - * The return value is 0 on success or a negative errno on failure. A - * failure can happen either because we are not able to execute the - * command or FW executes it but signals an error. In the latter case - * the return value is the error code indicated by FW (negated). - */ -int t4vf_wr_mbox_core(struct adapter *adapter, const void *cmd, int size, - void *rpl, bool sleep_ok) -{ - static const int delay[] = { - 1, 1, 3, 5, 10, 10, 20, 50, 100 - }; - - u32 v; - int i, ms, delay_idx; - const __be64 *p; - u32 mbox_data = T4VF_MBDATA_BASE_ADDR; - u32 mbox_ctl = T4VF_CIM_BASE_ADDR + CIM_VF_EXT_MAILBOX_CTRL; - - /* - * Commands must be multiples of 16 bytes in length and may not be - * larger than the size of the Mailbox Data register array. - */ - if ((size % 16) != 0 || - size > NUM_CIM_VF_MAILBOX_DATA_INSTANCES * 4) - return -EINVAL; - - /* - * Loop trying to get ownership of the mailbox. Return an error - * if we can't gain ownership. - */ - v = MBOWNER_GET(t4_read_reg(adapter, mbox_ctl)); - for (i = 0; v == MBOX_OWNER_NONE && i < 3; i++) - v = MBOWNER_GET(t4_read_reg(adapter, mbox_ctl)); - if (v != MBOX_OWNER_DRV) - return v == MBOX_OWNER_FW ? -EBUSY : -ETIMEDOUT; - - /* - * Write the command array into the Mailbox Data register array and - * transfer ownership of the mailbox to the firmware. - * - * For the VFs, the Mailbox Data "registers" are actually backed by - * T4's "MA" interface rather than PL Registers (as is the case for - * the PFs). Because these are in different coherency domains, the - * write to the VF's PL-register-backed Mailbox Control can race in - * front of the writes to the MA-backed VF Mailbox Data "registers". - * So we need to do a read-back on at least one byte of the VF Mailbox - * Data registers before doing the write to the VF Mailbox Control - * register. - */ - for (i = 0, p = cmd; i < size; i += 8) - t4_write_reg64(adapter, mbox_data + i, be64_to_cpu(*p++)); - t4_read_reg(adapter, mbox_data); /* flush write */ - - t4_write_reg(adapter, mbox_ctl, - MBMSGVALID | MBOWNER(MBOX_OWNER_FW)); - t4_read_reg(adapter, mbox_ctl); /* flush write */ - - /* - * Spin waiting for firmware to acknowledge processing our command. - */ - delay_idx = 0; - ms = delay[0]; - - for (i = 0; i < FW_CMD_MAX_TIMEOUT; i += ms) { - if (sleep_ok) { - ms = delay[delay_idx]; - if (delay_idx < ARRAY_SIZE(delay) - 1) - delay_idx++; - msleep(ms); - } else - mdelay(ms); - - /* - * If we're the owner, see if this is the reply we wanted. - */ - v = t4_read_reg(adapter, mbox_ctl); - if (MBOWNER_GET(v) == MBOX_OWNER_DRV) { - /* - * If the Message Valid bit isn't on, revoke ownership - * of the mailbox and continue waiting for our reply. - */ - if ((v & MBMSGVALID) == 0) { - t4_write_reg(adapter, mbox_ctl, - MBOWNER(MBOX_OWNER_NONE)); - continue; - } - - /* - * We now have our reply. Extract the command return - * value, copy the reply back to our caller's buffer - * (if specified) and revoke ownership of the mailbox. - * We return the (negated) firmware command return - * code (this depends on FW_SUCCESS == 0). - */ - - /* return value in low-order little-endian word */ - v = t4_read_reg(adapter, mbox_data); - if (FW_CMD_RETVAL_GET(v)) - dump_mbox(adapter, "FW Error", mbox_data); - - if (rpl) { - /* request bit in high-order BE word */ - WARN_ON((be32_to_cpu(*(const u32 *)cmd) - & FW_CMD_REQUEST) == 0); - get_mbox_rpl(adapter, rpl, size, mbox_data); - WARN_ON((be32_to_cpu(*(u32 *)rpl) - & FW_CMD_REQUEST) != 0); - } - t4_write_reg(adapter, mbox_ctl, - MBOWNER(MBOX_OWNER_NONE)); - return -FW_CMD_RETVAL_GET(v); - } - } - - /* - * We timed out. Return the error ... - */ - dump_mbox(adapter, "FW Timeout", mbox_data); - return -ETIMEDOUT; -} - -/** - * hash_mac_addr - return the hash value of a MAC address - * @addr: the 48-bit Ethernet MAC address - * - * Hashes a MAC address according to the hash function used by hardware - * inexact (hash) address matching. - */ -static int hash_mac_addr(const u8 *addr) -{ - u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2]; - u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5]; - a ^= b; - a ^= (a >> 12); - a ^= (a >> 6); - return a & 0x3f; -} - -/** - * init_link_config - initialize a link's SW state - * @lc: structure holding the link state - * @caps: link capabilities - * - * Initializes the SW state maintained for each link, including the link's - * capabilities and default speed/flow-control/autonegotiation settings. - */ -static void __devinit init_link_config(struct link_config *lc, - unsigned int caps) -{ - lc->supported = caps; - lc->requested_speed = 0; - lc->speed = 0; - lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX; - if (lc->supported & SUPPORTED_Autoneg) { - lc->advertising = lc->supported; - lc->autoneg = AUTONEG_ENABLE; - lc->requested_fc |= PAUSE_AUTONEG; - } else { - lc->advertising = 0; - lc->autoneg = AUTONEG_DISABLE; - } -} - -/** - * t4vf_port_init - initialize port hardware/software state - * @adapter: the adapter - * @pidx: the adapter port index - */ -int __devinit t4vf_port_init(struct adapter *adapter, int pidx) -{ - struct port_info *pi = adap2pinfo(adapter, pidx); - struct fw_vi_cmd vi_cmd, vi_rpl; - struct fw_port_cmd port_cmd, port_rpl; - int v; - u32 word; - - /* - * Execute a VI Read command to get our Virtual Interface information - * like MAC address, etc. - */ - memset(&vi_cmd, 0, sizeof(vi_cmd)); - vi_cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_VI_CMD) | - FW_CMD_REQUEST | - FW_CMD_READ); - vi_cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(vi_cmd)); - vi_cmd.type_viid = cpu_to_be16(FW_VI_CMD_VIID(pi->viid)); - v = t4vf_wr_mbox(adapter, &vi_cmd, sizeof(vi_cmd), &vi_rpl); - if (v) - return v; - - BUG_ON(pi->port_id != FW_VI_CMD_PORTID_GET(vi_rpl.portid_pkd)); - pi->rss_size = FW_VI_CMD_RSSSIZE_GET(be16_to_cpu(vi_rpl.rsssize_pkd)); - t4_os_set_hw_addr(adapter, pidx, vi_rpl.mac); - - /* - * If we don't have read access to our port information, we're done - * now. Otherwise, execute a PORT Read command to get it ... - */ - if (!(adapter->params.vfres.r_caps & FW_CMD_CAP_PORT)) - return 0; - - memset(&port_cmd, 0, sizeof(port_cmd)); - port_cmd.op_to_portid = cpu_to_be32(FW_CMD_OP(FW_PORT_CMD) | - FW_CMD_REQUEST | - FW_CMD_READ | - FW_PORT_CMD_PORTID(pi->port_id)); - port_cmd.action_to_len16 = - cpu_to_be32(FW_PORT_CMD_ACTION(FW_PORT_ACTION_GET_PORT_INFO) | - FW_LEN16(port_cmd)); - v = t4vf_wr_mbox(adapter, &port_cmd, sizeof(port_cmd), &port_rpl); - if (v) - return v; - - v = 0; - word = be16_to_cpu(port_rpl.u.info.pcap); - if (word & FW_PORT_CAP_SPEED_100M) - v |= SUPPORTED_100baseT_Full; - if (word & FW_PORT_CAP_SPEED_1G) - v |= SUPPORTED_1000baseT_Full; - if (word & FW_PORT_CAP_SPEED_10G) - v |= SUPPORTED_10000baseT_Full; - if (word & FW_PORT_CAP_ANEG) - v |= SUPPORTED_Autoneg; - init_link_config(&pi->link_cfg, v); - - return 0; -} - -/** - * t4vf_fw_reset - issue a reset to FW - * @adapter: the adapter - * - * Issues a reset command to FW. For a Physical Function this would - * result in the Firmware reseting all of its state. For a Virtual - * Function this just resets the state associated with the VF. - */ -int t4vf_fw_reset(struct adapter *adapter) -{ - struct fw_reset_cmd cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_write = cpu_to_be32(FW_CMD_OP(FW_RESET_CMD) | - FW_CMD_WRITE); - cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); - return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); -} - -/** - * t4vf_query_params - query FW or device parameters - * @adapter: the adapter - * @nparams: the number of parameters - * @params: the parameter names - * @vals: the parameter values - * - * Reads the values of firmware or device parameters. Up to 7 parameters - * can be queried at once. - */ -int t4vf_query_params(struct adapter *adapter, unsigned int nparams, - const u32 *params, u32 *vals) -{ - int i, ret; - struct fw_params_cmd cmd, rpl; - struct fw_params_param *p; - size_t len16; - - if (nparams > 7) - return -EINVAL; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_PARAMS_CMD) | - FW_CMD_REQUEST | - FW_CMD_READ); - len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd, - param[nparams].mnem), 16); - cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16(len16)); - for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++) - p->mnem = htonl(*params++); - - ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); - if (ret == 0) - for (i = 0, p = &rpl.param[0]; i < nparams; i++, p++) - *vals++ = be32_to_cpu(p->val); - return ret; -} - -/** - * t4vf_set_params - sets FW or device parameters - * @adapter: the adapter - * @nparams: the number of parameters - * @params: the parameter names - * @vals: the parameter values - * - * Sets the values of firmware or device parameters. Up to 7 parameters - * can be specified at once. - */ -int t4vf_set_params(struct adapter *adapter, unsigned int nparams, - const u32 *params, const u32 *vals) -{ - int i; - struct fw_params_cmd cmd; - struct fw_params_param *p; - size_t len16; - - if (nparams > 7) - return -EINVAL; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_PARAMS_CMD) | - FW_CMD_REQUEST | - FW_CMD_WRITE); - len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd, - param[nparams]), 16); - cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16(len16)); - for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++) { - p->mnem = cpu_to_be32(*params++); - p->val = cpu_to_be32(*vals++); - } - - return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); -} - -/** - * t4vf_get_sge_params - retrieve adapter Scatter gather Engine parameters - * @adapter: the adapter - * - * Retrieves various core SGE parameters in the form of hardware SGE - * register values. The caller is responsible for decoding these as - * needed. The SGE parameters are stored in @adapter->params.sge. - */ -int t4vf_get_sge_params(struct adapter *adapter) -{ - struct sge_params *sge_params = &adapter->params.sge; - u32 params[7], vals[7]; - int v; - - params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | - FW_PARAMS_PARAM_XYZ(SGE_CONTROL)); - params[1] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | - FW_PARAMS_PARAM_XYZ(SGE_HOST_PAGE_SIZE)); - params[2] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | - FW_PARAMS_PARAM_XYZ(SGE_FL_BUFFER_SIZE0)); - params[3] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | - FW_PARAMS_PARAM_XYZ(SGE_FL_BUFFER_SIZE1)); - params[4] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | - FW_PARAMS_PARAM_XYZ(SGE_TIMER_VALUE_0_AND_1)); - params[5] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | - FW_PARAMS_PARAM_XYZ(SGE_TIMER_VALUE_2_AND_3)); - params[6] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | - FW_PARAMS_PARAM_XYZ(SGE_TIMER_VALUE_4_AND_5)); - v = t4vf_query_params(adapter, 7, params, vals); - if (v) - return v; - sge_params->sge_control = vals[0]; - sge_params->sge_host_page_size = vals[1]; - sge_params->sge_fl_buffer_size[0] = vals[2]; - sge_params->sge_fl_buffer_size[1] = vals[3]; - sge_params->sge_timer_value_0_and_1 = vals[4]; - sge_params->sge_timer_value_2_and_3 = vals[5]; - sge_params->sge_timer_value_4_and_5 = vals[6]; - - params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | - FW_PARAMS_PARAM_XYZ(SGE_INGRESS_RX_THRESHOLD)); - v = t4vf_query_params(adapter, 1, params, vals); - if (v) - return v; - sge_params->sge_ingress_rx_threshold = vals[0]; - - return 0; -} - -/** - * t4vf_get_vpd_params - retrieve device VPD paremeters - * @adapter: the adapter - * - * Retrives various device Vital Product Data parameters. The parameters - * are stored in @adapter->params.vpd. - */ -int t4vf_get_vpd_params(struct adapter *adapter) -{ - struct vpd_params *vpd_params = &adapter->params.vpd; - u32 params[7], vals[7]; - int v; - - params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | - FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CCLK)); - v = t4vf_query_params(adapter, 1, params, vals); - if (v) - return v; - vpd_params->cclk = vals[0]; - - return 0; -} - -/** - * t4vf_get_dev_params - retrieve device paremeters - * @adapter: the adapter - * - * Retrives various device parameters. The parameters are stored in - * @adapter->params.dev. - */ -int t4vf_get_dev_params(struct adapter *adapter) -{ - struct dev_params *dev_params = &adapter->params.dev; - u32 params[7], vals[7]; - int v; - - params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | - FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FWREV)); - params[1] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | - FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_TPREV)); - v = t4vf_query_params(adapter, 2, params, vals); - if (v) - return v; - dev_params->fwrev = vals[0]; - dev_params->tprev = vals[1]; - - return 0; -} - -/** - * t4vf_get_rss_glb_config - retrieve adapter RSS Global Configuration - * @adapter: the adapter - * - * Retrieves global RSS mode and parameters with which we have to live - * and stores them in the @adapter's RSS parameters. - */ -int t4vf_get_rss_glb_config(struct adapter *adapter) -{ - struct rss_params *rss = &adapter->params.rss; - struct fw_rss_glb_config_cmd cmd, rpl; - int v; - - /* - * Execute an RSS Global Configuration read command to retrieve - * our RSS configuration. - */ - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_write = cpu_to_be32(FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD) | - FW_CMD_REQUEST | - FW_CMD_READ); - cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); - v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); - if (v) - return v; - - /* - * Transate the big-endian RSS Global Configuration into our - * cpu-endian format based on the RSS mode. We also do first level - * filtering at this point to weed out modes which don't support - * VF Drivers ... - */ - rss->mode = FW_RSS_GLB_CONFIG_CMD_MODE_GET( - be32_to_cpu(rpl.u.manual.mode_pkd)); - switch (rss->mode) { - case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: { - u32 word = be32_to_cpu( - rpl.u.basicvirtual.synmapen_to_hashtoeplitz); - - rss->u.basicvirtual.synmapen = - ((word & FW_RSS_GLB_CONFIG_CMD_SYNMAPEN) != 0); - rss->u.basicvirtual.syn4tupenipv6 = - ((word & FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6) != 0); - rss->u.basicvirtual.syn2tupenipv6 = - ((word & FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6) != 0); - rss->u.basicvirtual.syn4tupenipv4 = - ((word & FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4) != 0); - rss->u.basicvirtual.syn2tupenipv4 = - ((word & FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4) != 0); - - rss->u.basicvirtual.ofdmapen = - ((word & FW_RSS_GLB_CONFIG_CMD_OFDMAPEN) != 0); - - rss->u.basicvirtual.tnlmapen = - ((word & FW_RSS_GLB_CONFIG_CMD_TNLMAPEN) != 0); - rss->u.basicvirtual.tnlalllookup = - ((word & FW_RSS_GLB_CONFIG_CMD_TNLALLLKP) != 0); - - rss->u.basicvirtual.hashtoeplitz = - ((word & FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ) != 0); - - /* we need at least Tunnel Map Enable to be set */ - if (!rss->u.basicvirtual.tnlmapen) - return -EINVAL; - break; - } - - default: - /* all unknown/unsupported RSS modes result in an error */ - return -EINVAL; - } - - return 0; -} - -/** - * t4vf_get_vfres - retrieve VF resource limits - * @adapter: the adapter - * - * Retrieves configured resource limits and capabilities for a virtual - * function. The results are stored in @adapter->vfres. - */ -int t4vf_get_vfres(struct adapter *adapter) -{ - struct vf_resources *vfres = &adapter->params.vfres; - struct fw_pfvf_cmd cmd, rpl; - int v; - u32 word; - - /* - * Execute PFVF Read command to get VF resource limits; bail out early - * with error on command failure. - */ - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_PFVF_CMD) | - FW_CMD_REQUEST | - FW_CMD_READ); - cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); - v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); - if (v) - return v; - - /* - * Extract VF resource limits and return success. - */ - word = be32_to_cpu(rpl.niqflint_niq); - vfres->niqflint = FW_PFVF_CMD_NIQFLINT_GET(word); - vfres->niq = FW_PFVF_CMD_NIQ_GET(word); - - word = be32_to_cpu(rpl.type_to_neq); - vfres->neq = FW_PFVF_CMD_NEQ_GET(word); - vfres->pmask = FW_PFVF_CMD_PMASK_GET(word); - - word = be32_to_cpu(rpl.tc_to_nexactf); - vfres->tc = FW_PFVF_CMD_TC_GET(word); - vfres->nvi = FW_PFVF_CMD_NVI_GET(word); - vfres->nexactf = FW_PFVF_CMD_NEXACTF_GET(word); - - word = be32_to_cpu(rpl.r_caps_to_nethctrl); - vfres->r_caps = FW_PFVF_CMD_R_CAPS_GET(word); - vfres->wx_caps = FW_PFVF_CMD_WX_CAPS_GET(word); - vfres->nethctrl = FW_PFVF_CMD_NETHCTRL_GET(word); - - return 0; -} - -/** - * t4vf_read_rss_vi_config - read a VI's RSS configuration - * @adapter: the adapter - * @viid: Virtual Interface ID - * @config: pointer to host-native VI RSS Configuration buffer - * - * Reads the Virtual Interface's RSS configuration information and - * translates it into CPU-native format. - */ -int t4vf_read_rss_vi_config(struct adapter *adapter, unsigned int viid, - union rss_vi_config *config) -{ - struct fw_rss_vi_config_cmd cmd, rpl; - int v; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | - FW_CMD_REQUEST | - FW_CMD_READ | - FW_RSS_VI_CONFIG_CMD_VIID(viid)); - cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); - v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); - if (v) - return v; - - switch (adapter->params.rss.mode) { - case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: { - u32 word = be32_to_cpu(rpl.u.basicvirtual.defaultq_to_udpen); - - config->basicvirtual.ip6fourtupen = - ((word & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) != 0); - config->basicvirtual.ip6twotupen = - ((word & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) != 0); - config->basicvirtual.ip4fourtupen = - ((word & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) != 0); - config->basicvirtual.ip4twotupen = - ((word & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) != 0); - config->basicvirtual.udpen = - ((word & FW_RSS_VI_CONFIG_CMD_UDPEN) != 0); - config->basicvirtual.defaultq = - FW_RSS_VI_CONFIG_CMD_DEFAULTQ_GET(word); - break; - } - - default: - return -EINVAL; - } - - return 0; -} - -/** - * t4vf_write_rss_vi_config - write a VI's RSS configuration - * @adapter: the adapter - * @viid: Virtual Interface ID - * @config: pointer to host-native VI RSS Configuration buffer - * - * Write the Virtual Interface's RSS configuration information - * (translating it into firmware-native format before writing). - */ -int t4vf_write_rss_vi_config(struct adapter *adapter, unsigned int viid, - union rss_vi_config *config) -{ - struct fw_rss_vi_config_cmd cmd, rpl; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | - FW_CMD_REQUEST | - FW_CMD_WRITE | - FW_RSS_VI_CONFIG_CMD_VIID(viid)); - cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); - switch (adapter->params.rss.mode) { - case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: { - u32 word = 0; - - if (config->basicvirtual.ip6fourtupen) - word |= FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN; - if (config->basicvirtual.ip6twotupen) - word |= FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN; - if (config->basicvirtual.ip4fourtupen) - word |= FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN; - if (config->basicvirtual.ip4twotupen) - word |= FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN; - if (config->basicvirtual.udpen) - word |= FW_RSS_VI_CONFIG_CMD_UDPEN; - word |= FW_RSS_VI_CONFIG_CMD_DEFAULTQ( - config->basicvirtual.defaultq); - cmd.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(word); - break; - } - - default: - return -EINVAL; - } - - return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); -} - -/** - * t4vf_config_rss_range - configure a portion of the RSS mapping table - * @adapter: the adapter - * @viid: Virtual Interface of RSS Table Slice - * @start: starting entry in the table to write - * @n: how many table entries to write - * @rspq: values for the "Response Queue" (Ingress Queue) lookup table - * @nrspq: number of values in @rspq - * - * Programs the selected part of the VI's RSS mapping table with the - * provided values. If @nrspq < @n the supplied values are used repeatedly - * until the full table range is populated. - * - * The caller must ensure the values in @rspq are in the range 0..1023. - */ -int t4vf_config_rss_range(struct adapter *adapter, unsigned int viid, - int start, int n, const u16 *rspq, int nrspq) -{ - const u16 *rsp = rspq; - const u16 *rsp_end = rspq+nrspq; - struct fw_rss_ind_tbl_cmd cmd; - - /* - * Initialize firmware command template to write the RSS table. - */ - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_RSS_IND_TBL_CMD) | - FW_CMD_REQUEST | - FW_CMD_WRITE | - FW_RSS_IND_TBL_CMD_VIID(viid)); - cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); - - /* - * Each firmware RSS command can accommodate up to 32 RSS Ingress - * Queue Identifiers. These Ingress Queue IDs are packed three to - * a 32-bit word as 10-bit values with the upper remaining 2 bits - * reserved. - */ - while (n > 0) { - __be32 *qp = &cmd.iq0_to_iq2; - int nq = min(n, 32); - int ret; - - /* - * Set up the firmware RSS command header to send the next - * "nq" Ingress Queue IDs to the firmware. - */ - cmd.niqid = cpu_to_be16(nq); - cmd.startidx = cpu_to_be16(start); - - /* - * "nq" more done for the start of the next loop. - */ - start += nq; - n -= nq; - - /* - * While there are still Ingress Queue IDs to stuff into the - * current firmware RSS command, retrieve them from the - * Ingress Queue ID array and insert them into the command. - */ - while (nq > 0) { - /* - * Grab up to the next 3 Ingress Queue IDs (wrapping - * around the Ingress Queue ID array if necessary) and - * insert them into the firmware RSS command at the - * current 3-tuple position within the commad. - */ - u16 qbuf[3]; - u16 *qbp = qbuf; - int nqbuf = min(3, nq); - - nq -= nqbuf; - qbuf[0] = qbuf[1] = qbuf[2] = 0; - while (nqbuf) { - nqbuf--; - *qbp++ = *rsp++; - if (rsp >= rsp_end) - rsp = rspq; - } - *qp++ = cpu_to_be32(FW_RSS_IND_TBL_CMD_IQ0(qbuf[0]) | - FW_RSS_IND_TBL_CMD_IQ1(qbuf[1]) | - FW_RSS_IND_TBL_CMD_IQ2(qbuf[2])); - } - - /* - * Send this portion of the RRS table update to the firmware; - * bail out on any errors. - */ - ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); - if (ret) - return ret; - } - return 0; -} - -/** - * t4vf_alloc_vi - allocate a virtual interface on a port - * @adapter: the adapter - * @port_id: physical port associated with the VI - * - * Allocate a new Virtual Interface and bind it to the indicated - * physical port. Return the new Virtual Interface Identifier on - * success, or a [negative] error number on failure. - */ -int t4vf_alloc_vi(struct adapter *adapter, int port_id) -{ - struct fw_vi_cmd cmd, rpl; - int v; - - /* - * Execute a VI command to allocate Virtual Interface and return its - * VIID. - */ - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_VI_CMD) | - FW_CMD_REQUEST | - FW_CMD_WRITE | - FW_CMD_EXEC); - cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(cmd) | - FW_VI_CMD_ALLOC); - cmd.portid_pkd = FW_VI_CMD_PORTID(port_id); - v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); - if (v) - return v; - - return FW_VI_CMD_VIID_GET(be16_to_cpu(rpl.type_viid)); -} - -/** - * t4vf_free_vi -- free a virtual interface - * @adapter: the adapter - * @viid: the virtual interface identifier - * - * Free a previously allocated Virtual Interface. Return an error on - * failure. - */ -int t4vf_free_vi(struct adapter *adapter, int viid) -{ - struct fw_vi_cmd cmd; - - /* - * Execute a VI command to free the Virtual Interface. - */ - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_VI_CMD) | - FW_CMD_REQUEST | - FW_CMD_EXEC); - cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(cmd) | - FW_VI_CMD_FREE); - cmd.type_viid = cpu_to_be16(FW_VI_CMD_VIID(viid)); - return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); -} - -/** - * t4vf_enable_vi - enable/disable a virtual interface - * @adapter: the adapter - * @viid: the Virtual Interface ID - * @rx_en: 1=enable Rx, 0=disable Rx - * @tx_en: 1=enable Tx, 0=disable Tx - * - * Enables/disables a virtual interface. - */ -int t4vf_enable_vi(struct adapter *adapter, unsigned int viid, - bool rx_en, bool tx_en) -{ - struct fw_vi_enable_cmd cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_ENABLE_CMD) | - FW_CMD_REQUEST | - FW_CMD_EXEC | - FW_VI_ENABLE_CMD_VIID(viid)); - cmd.ien_to_len16 = cpu_to_be32(FW_VI_ENABLE_CMD_IEN(rx_en) | - FW_VI_ENABLE_CMD_EEN(tx_en) | - FW_LEN16(cmd)); - return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); -} - -/** - * t4vf_identify_port - identify a VI's port by blinking its LED - * @adapter: the adapter - * @viid: the Virtual Interface ID - * @nblinks: how many times to blink LED at 2.5 Hz - * - * Identifies a VI's port by blinking its LED. - */ -int t4vf_identify_port(struct adapter *adapter, unsigned int viid, - unsigned int nblinks) -{ - struct fw_vi_enable_cmd cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_ENABLE_CMD) | - FW_CMD_REQUEST | - FW_CMD_EXEC | - FW_VI_ENABLE_CMD_VIID(viid)); - cmd.ien_to_len16 = cpu_to_be32(FW_VI_ENABLE_CMD_LED | - FW_LEN16(cmd)); - cmd.blinkdur = cpu_to_be16(nblinks); - return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); -} - -/** - * t4vf_set_rxmode - set Rx properties of a virtual interface - * @adapter: the adapter - * @viid: the VI id - * @mtu: the new MTU or -1 for no change - * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change - * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change - * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change - * @vlanex: 1 to enable hardware VLAN Tag extraction, 0 to disable it, - * -1 no change - * - * Sets Rx properties of a virtual interface. - */ -int t4vf_set_rxmode(struct adapter *adapter, unsigned int viid, - int mtu, int promisc, int all_multi, int bcast, int vlanex, - bool sleep_ok) -{ - struct fw_vi_rxmode_cmd cmd; - - /* convert to FW values */ - if (mtu < 0) - mtu = FW_VI_RXMODE_CMD_MTU_MASK; - if (promisc < 0) - promisc = FW_VI_RXMODE_CMD_PROMISCEN_MASK; - if (all_multi < 0) - all_multi = FW_VI_RXMODE_CMD_ALLMULTIEN_MASK; - if (bcast < 0) - bcast = FW_VI_RXMODE_CMD_BROADCASTEN_MASK; - if (vlanex < 0) - vlanex = FW_VI_RXMODE_CMD_VLANEXEN_MASK; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_RXMODE_CMD) | - FW_CMD_REQUEST | - FW_CMD_WRITE | - FW_VI_RXMODE_CMD_VIID(viid)); - cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); - cmd.mtu_to_vlanexen = - cpu_to_be32(FW_VI_RXMODE_CMD_MTU(mtu) | - FW_VI_RXMODE_CMD_PROMISCEN(promisc) | - FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) | - FW_VI_RXMODE_CMD_BROADCASTEN(bcast) | - FW_VI_RXMODE_CMD_VLANEXEN(vlanex)); - return t4vf_wr_mbox_core(adapter, &cmd, sizeof(cmd), NULL, sleep_ok); -} - -/** - * t4vf_alloc_mac_filt - allocates exact-match filters for MAC addresses - * @adapter: the adapter - * @viid: the Virtual Interface Identifier - * @free: if true any existing filters for this VI id are first removed - * @naddr: the number of MAC addresses to allocate filters for (up to 7) - * @addr: the MAC address(es) - * @idx: where to store the index of each allocated filter - * @hash: pointer to hash address filter bitmap - * @sleep_ok: call is allowed to sleep - * - * Allocates an exact-match filter for each of the supplied addresses and - * sets it to the corresponding address. If @idx is not %NULL it should - * have at least @naddr entries, each of which will be set to the index of - * the filter allocated for the corresponding MAC address. If a filter - * could not be allocated for an address its index is set to 0xffff. - * If @hash is not %NULL addresses that fail to allocate an exact filter - * are hashed and update the hash filter bitmap pointed at by @hash. - * - * Returns a negative error number or the number of filters allocated. - */ -int t4vf_alloc_mac_filt(struct adapter *adapter, unsigned int viid, bool free, - unsigned int naddr, const u8 **addr, u16 *idx, - u64 *hash, bool sleep_ok) -{ - int offset, ret = 0; - unsigned nfilters = 0; - unsigned int rem = naddr; - struct fw_vi_mac_cmd cmd, rpl; - - if (naddr > FW_CLS_TCAM_NUM_ENTRIES) - return -EINVAL; - - for (offset = 0; offset < naddr; /**/) { - unsigned int fw_naddr = (rem < ARRAY_SIZE(cmd.u.exact) - ? rem - : ARRAY_SIZE(cmd.u.exact)); - size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd, - u.exact[fw_naddr]), 16); - struct fw_vi_mac_exact *p; - int i; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_MAC_CMD) | - FW_CMD_REQUEST | - FW_CMD_WRITE | - (free ? FW_CMD_EXEC : 0) | - FW_VI_MAC_CMD_VIID(viid)); - cmd.freemacs_to_len16 = - cpu_to_be32(FW_VI_MAC_CMD_FREEMACS(free) | - FW_CMD_LEN16(len16)); - - for (i = 0, p = cmd.u.exact; i < fw_naddr; i++, p++) { - p->valid_to_idx = cpu_to_be16( - FW_VI_MAC_CMD_VALID | - FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC)); - memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr)); - } - - - ret = t4vf_wr_mbox_core(adapter, &cmd, sizeof(cmd), &rpl, - sleep_ok); - if (ret && ret != -ENOMEM) - break; - - for (i = 0, p = rpl.u.exact; i < fw_naddr; i++, p++) { - u16 index = FW_VI_MAC_CMD_IDX_GET( - be16_to_cpu(p->valid_to_idx)); - - if (idx) - idx[offset+i] = - (index >= FW_CLS_TCAM_NUM_ENTRIES - ? 0xffff - : index); - if (index < FW_CLS_TCAM_NUM_ENTRIES) - nfilters++; - else if (hash) - *hash |= (1ULL << hash_mac_addr(addr[offset+i])); - } - - free = false; - offset += fw_naddr; - rem -= fw_naddr; - } - - /* - * If there were no errors or we merely ran out of room in our MAC - * address arena, return the number of filters actually written. - */ - if (ret == 0 || ret == -ENOMEM) - ret = nfilters; - return ret; -} - -/** - * t4vf_change_mac - modifies the exact-match filter for a MAC address - * @adapter: the adapter - * @viid: the Virtual Interface ID - * @idx: index of existing filter for old value of MAC address, or -1 - * @addr: the new MAC address value - * @persist: if idx < 0, the new MAC allocation should be persistent - * - * Modifies an exact-match filter and sets it to the new MAC address. - * Note that in general it is not possible to modify the value of a given - * filter so the generic way to modify an address filter is to free the - * one being used by the old address value and allocate a new filter for - * the new address value. @idx can be -1 if the address is a new - * addition. - * - * Returns a negative error number or the index of the filter with the new - * MAC value. - */ -int t4vf_change_mac(struct adapter *adapter, unsigned int viid, - int idx, const u8 *addr, bool persist) -{ - int ret; - struct fw_vi_mac_cmd cmd, rpl; - struct fw_vi_mac_exact *p = &cmd.u.exact[0]; - size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd, - u.exact[1]), 16); - - /* - * If this is a new allocation, determine whether it should be - * persistent (across a "freemacs" operation) or not. - */ - if (idx < 0) - idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_MAC_CMD) | - FW_CMD_REQUEST | - FW_CMD_WRITE | - FW_VI_MAC_CMD_VIID(viid)); - cmd.freemacs_to_len16 = cpu_to_be32(FW_CMD_LEN16(len16)); - p->valid_to_idx = cpu_to_be16(FW_VI_MAC_CMD_VALID | - FW_VI_MAC_CMD_IDX(idx)); - memcpy(p->macaddr, addr, sizeof(p->macaddr)); - - ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); - if (ret == 0) { - p = &rpl.u.exact[0]; - ret = FW_VI_MAC_CMD_IDX_GET(be16_to_cpu(p->valid_to_idx)); - if (ret >= FW_CLS_TCAM_NUM_ENTRIES) - ret = -ENOMEM; - } - return ret; -} - -/** - * t4vf_set_addr_hash - program the MAC inexact-match hash filter - * @adapter: the adapter - * @viid: the Virtual Interface Identifier - * @ucast: whether the hash filter should also match unicast addresses - * @vec: the value to be written to the hash filter - * @sleep_ok: call is allowed to sleep - * - * Sets the 64-bit inexact-match hash filter for a virtual interface. - */ -int t4vf_set_addr_hash(struct adapter *adapter, unsigned int viid, - bool ucast, u64 vec, bool sleep_ok) -{ - struct fw_vi_mac_cmd cmd; - size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd, - u.exact[0]), 16); - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_MAC_CMD) | - FW_CMD_REQUEST | - FW_CMD_WRITE | - FW_VI_ENABLE_CMD_VIID(viid)); - cmd.freemacs_to_len16 = cpu_to_be32(FW_VI_MAC_CMD_HASHVECEN | - FW_VI_MAC_CMD_HASHUNIEN(ucast) | - FW_CMD_LEN16(len16)); - cmd.u.hash.hashvec = cpu_to_be64(vec); - return t4vf_wr_mbox_core(adapter, &cmd, sizeof(cmd), NULL, sleep_ok); -} - -/** - * t4vf_get_port_stats - collect "port" statistics - * @adapter: the adapter - * @pidx: the port index - * @s: the stats structure to fill - * - * Collect statistics for the "port"'s Virtual Interface. - */ -int t4vf_get_port_stats(struct adapter *adapter, int pidx, - struct t4vf_port_stats *s) -{ - struct port_info *pi = adap2pinfo(adapter, pidx); - struct fw_vi_stats_vf fwstats; - unsigned int rem = VI_VF_NUM_STATS; - __be64 *fwsp = (__be64 *)&fwstats; - - /* - * Grab the Virtual Interface statistics a chunk at a time via mailbox - * commands. We could use a Work Request and get all of them at once - * but that's an asynchronous interface which is awkward to use. - */ - while (rem) { - unsigned int ix = VI_VF_NUM_STATS - rem; - unsigned int nstats = min(6U, rem); - struct fw_vi_stats_cmd cmd, rpl; - size_t len = (offsetof(struct fw_vi_stats_cmd, u) + - sizeof(struct fw_vi_stats_ctl)); - size_t len16 = DIV_ROUND_UP(len, 16); - int ret; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_STATS_CMD) | - FW_VI_STATS_CMD_VIID(pi->viid) | - FW_CMD_REQUEST | - FW_CMD_READ); - cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16(len16)); - cmd.u.ctl.nstats_ix = - cpu_to_be16(FW_VI_STATS_CMD_IX(ix) | - FW_VI_STATS_CMD_NSTATS(nstats)); - ret = t4vf_wr_mbox_ns(adapter, &cmd, len, &rpl); - if (ret) - return ret; - - memcpy(fwsp, &rpl.u.ctl.stat0, sizeof(__be64) * nstats); - - rem -= nstats; - fwsp += nstats; - } - - /* - * Translate firmware statistics into host native statistics. - */ - s->tx_bcast_bytes = be64_to_cpu(fwstats.tx_bcast_bytes); - s->tx_bcast_frames = be64_to_cpu(fwstats.tx_bcast_frames); - s->tx_mcast_bytes = be64_to_cpu(fwstats.tx_mcast_bytes); - s->tx_mcast_frames = be64_to_cpu(fwstats.tx_mcast_frames); - s->tx_ucast_bytes = be64_to_cpu(fwstats.tx_ucast_bytes); - s->tx_ucast_frames = be64_to_cpu(fwstats.tx_ucast_frames); - s->tx_drop_frames = be64_to_cpu(fwstats.tx_drop_frames); - s->tx_offload_bytes = be64_to_cpu(fwstats.tx_offload_bytes); - s->tx_offload_frames = be64_to_cpu(fwstats.tx_offload_frames); - - s->rx_bcast_bytes = be64_to_cpu(fwstats.rx_bcast_bytes); - s->rx_bcast_frames = be64_to_cpu(fwstats.rx_bcast_frames); - s->rx_mcast_bytes = be64_to_cpu(fwstats.rx_mcast_bytes); - s->rx_mcast_frames = be64_to_cpu(fwstats.rx_mcast_frames); - s->rx_ucast_bytes = be64_to_cpu(fwstats.rx_ucast_bytes); - s->rx_ucast_frames = be64_to_cpu(fwstats.rx_ucast_frames); - - s->rx_err_frames = be64_to_cpu(fwstats.rx_err_frames); - - return 0; -} - -/** - * t4vf_iq_free - free an ingress queue and its free lists - * @adapter: the adapter - * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.) - * @iqid: ingress queue ID - * @fl0id: FL0 queue ID or 0xffff if no attached FL0 - * @fl1id: FL1 queue ID or 0xffff if no attached FL1 - * - * Frees an ingress queue and its associated free lists, if any. - */ -int t4vf_iq_free(struct adapter *adapter, unsigned int iqtype, - unsigned int iqid, unsigned int fl0id, unsigned int fl1id) -{ - struct fw_iq_cmd cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_IQ_CMD) | - FW_CMD_REQUEST | - FW_CMD_EXEC); - cmd.alloc_to_len16 = cpu_to_be32(FW_IQ_CMD_FREE | - FW_LEN16(cmd)); - cmd.type_to_iqandstindex = - cpu_to_be32(FW_IQ_CMD_TYPE(iqtype)); - - cmd.iqid = cpu_to_be16(iqid); - cmd.fl0id = cpu_to_be16(fl0id); - cmd.fl1id = cpu_to_be16(fl1id); - return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); -} - -/** - * t4vf_eth_eq_free - free an Ethernet egress queue - * @adapter: the adapter - * @eqid: egress queue ID - * - * Frees an Ethernet egress queue. - */ -int t4vf_eth_eq_free(struct adapter *adapter, unsigned int eqid) -{ - struct fw_eq_eth_cmd cmd; - - memset(&cmd, 0, sizeof(cmd)); - cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_EQ_ETH_CMD) | - FW_CMD_REQUEST | - FW_CMD_EXEC); - cmd.alloc_to_len16 = cpu_to_be32(FW_EQ_ETH_CMD_FREE | - FW_LEN16(cmd)); - cmd.eqid_pkd = cpu_to_be32(FW_EQ_ETH_CMD_EQID(eqid)); - return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); -} - -/** - * t4vf_handle_fw_rpl - process a firmware reply message - * @adapter: the adapter - * @rpl: start of the firmware message - * - * Processes a firmware message, such as link state change messages. - */ -int t4vf_handle_fw_rpl(struct adapter *adapter, const __be64 *rpl) -{ - const struct fw_cmd_hdr *cmd_hdr = (const struct fw_cmd_hdr *)rpl; - u8 opcode = FW_CMD_OP_GET(be32_to_cpu(cmd_hdr->hi)); - - switch (opcode) { - case FW_PORT_CMD: { - /* - * Link/module state change message. - */ - const struct fw_port_cmd *port_cmd = - (const struct fw_port_cmd *)rpl; - u32 word; - int action, port_id, link_ok, speed, fc, pidx; - - /* - * Extract various fields from port status change message. - */ - action = FW_PORT_CMD_ACTION_GET( - be32_to_cpu(port_cmd->action_to_len16)); - if (action != FW_PORT_ACTION_GET_PORT_INFO) { - dev_err(adapter->pdev_dev, - "Unknown firmware PORT reply action %x\n", - action); - break; - } - - port_id = FW_PORT_CMD_PORTID_GET( - be32_to_cpu(port_cmd->op_to_portid)); - - word = be32_to_cpu(port_cmd->u.info.lstatus_to_modtype); - link_ok = (word & FW_PORT_CMD_LSTATUS) != 0; - speed = 0; - fc = 0; - if (word & FW_PORT_CMD_RXPAUSE) - fc |= PAUSE_RX; - if (word & FW_PORT_CMD_TXPAUSE) - fc |= PAUSE_TX; - if (word & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M)) - speed = SPEED_100; - else if (word & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G)) - speed = SPEED_1000; - else if (word & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G)) - speed = SPEED_10000; - - /* - * Scan all of our "ports" (Virtual Interfaces) looking for - * those bound to the physical port which has changed. If - * our recorded state doesn't match the current state, - * signal that change to the OS code. - */ - for_each_port(adapter, pidx) { - struct port_info *pi = adap2pinfo(adapter, pidx); - struct link_config *lc; - - if (pi->port_id != port_id) - continue; - - lc = &pi->link_cfg; - if (link_ok != lc->link_ok || speed != lc->speed || - fc != lc->fc) { - /* something changed */ - lc->link_ok = link_ok; - lc->speed = speed; - lc->fc = fc; - t4vf_os_link_changed(adapter, pidx, link_ok); - } - } - break; - } - - default: - dev_err(adapter->pdev_dev, "Unknown firmware reply %X\n", - opcode); - } - return 0; -} |