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path: root/drivers/net/cxgbe/cxgbe_main.c
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Diffstat (limited to 'drivers/net/cxgbe/cxgbe_main.c')
-rw-r--r--drivers/net/cxgbe/cxgbe_main.c332
1 files changed, 235 insertions, 97 deletions
diff --git a/drivers/net/cxgbe/cxgbe_main.c b/drivers/net/cxgbe/cxgbe_main.c
index 28db6c06..54eb23df 100644
--- a/drivers/net/cxgbe/cxgbe_main.c
+++ b/drivers/net/cxgbe/cxgbe_main.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 <sys/queue.h>
@@ -57,9 +29,9 @@
#include <rte_ether.h>
#include <rte_ethdev_driver.h>
#include <rte_ethdev_pci.h>
-#include <rte_malloc.h>
#include <rte_random.h>
#include <rte_dev.h>
+#include <rte_kvargs.h>
#include "common.h"
#include "t4_regs.h"
@@ -199,15 +171,16 @@ int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
static inline bool is_x_1g_port(const struct link_config *lc)
{
- return (lc->supported & FW_PORT_CAP_SPEED_1G) != 0;
+ return (lc->pcaps & FW_PORT_CAP32_SPEED_1G) != 0;
}
static inline bool is_x_10g_port(const struct link_config *lc)
{
unsigned int speeds, high_speeds;
- speeds = V_FW_PORT_CAP_SPEED(G_FW_PORT_CAP_SPEED(lc->supported));
- high_speeds = speeds & ~(FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G);
+ speeds = V_FW_PORT_CAP32_SPEED(G_FW_PORT_CAP32_SPEED(lc->pcaps));
+ high_speeds = speeds &
+ ~(FW_PORT_CAP32_SPEED_100M | FW_PORT_CAP32_SPEED_1G);
return high_speeds != 0;
}
@@ -345,14 +318,17 @@ static void setup_memwin(struct adapter *adap)
MEMWIN_NIC));
}
-static int init_rss(struct adapter *adap)
+int init_rss(struct adapter *adap)
{
unsigned int i;
- int err;
- err = t4_init_rss_mode(adap, adap->mbox);
- if (err)
- return err;
+ if (is_pf4(adap)) {
+ int err;
+
+ err = t4_init_rss_mode(adap, adap->mbox);
+ if (err)
+ return err;
+ }
for_each_port(adap, i) {
struct port_info *pi = adap2pinfo(adap, i);
@@ -360,6 +336,8 @@ static int init_rss(struct adapter *adap)
pi->rss = rte_zmalloc(NULL, pi->rss_size * sizeof(u16), 0);
if (!pi->rss)
return -ENOMEM;
+
+ pi->rss_hf = CXGBE_RSS_HF_ALL;
}
return 0;
}
@@ -367,7 +345,7 @@ static int init_rss(struct adapter *adap)
/**
* Dump basic information about the adapter.
*/
-static void print_adapter_info(struct adapter *adap)
+void print_adapter_info(struct adapter *adap)
{
/**
* Hardware/Firmware/etc. Version/Revision IDs.
@@ -375,27 +353,29 @@ static void print_adapter_info(struct adapter *adap)
t4_dump_version_info(adap);
}
-static void print_port_info(struct adapter *adap)
+void print_port_info(struct adapter *adap)
{
int i;
char buf[80];
struct rte_pci_addr *loc = &adap->pdev->addr;
for_each_port(adap, i) {
- const struct port_info *pi = &adap->port[i];
+ const struct port_info *pi = adap2pinfo(adap, i);
char *bufp = buf;
- if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100M)
+ if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_100M)
bufp += sprintf(bufp, "100M/");
- if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_1G)
+ if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_1G)
bufp += sprintf(bufp, "1G/");
- if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G)
+ if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_10G)
bufp += sprintf(bufp, "10G/");
- if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G)
+ if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_25G)
bufp += sprintf(bufp, "25G/");
- if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G)
+ if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_40G)
bufp += sprintf(bufp, "40G/");
- if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G)
+ if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_50G)
+ bufp += sprintf(bufp, "50G/");
+ if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_100G)
bufp += sprintf(bufp, "100G/");
if (bufp != buf)
--bufp;
@@ -412,6 +392,84 @@ static void print_port_info(struct adapter *adap)
}
}
+static int
+check_devargs_handler(__rte_unused const char *key, const char *value,
+ __rte_unused void *opaque)
+{
+ if (strcmp(value, "1"))
+ return -1;
+
+ return 0;
+}
+
+int cxgbe_get_devargs(struct rte_devargs *devargs, const char *key)
+{
+ struct rte_kvargs *kvlist;
+
+ if (!devargs)
+ return 0;
+
+ kvlist = rte_kvargs_parse(devargs->args, NULL);
+ if (!kvlist)
+ return 0;
+
+ if (!rte_kvargs_count(kvlist, key)) {
+ rte_kvargs_free(kvlist);
+ return 0;
+ }
+
+ if (rte_kvargs_process(kvlist, key,
+ check_devargs_handler, NULL) < 0) {
+ rte_kvargs_free(kvlist);
+ return 0;
+ }
+ rte_kvargs_free(kvlist);
+
+ return 1;
+}
+
+static void configure_vlan_types(struct adapter *adapter)
+{
+ struct rte_pci_device *pdev = adapter->pdev;
+ int i;
+
+ for_each_port(adapter, i) {
+ /* OVLAN Type 0x88a8 */
+ t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN0),
+ V_OVLAN_MASK(M_OVLAN_MASK) |
+ V_OVLAN_ETYPE(M_OVLAN_ETYPE),
+ V_OVLAN_MASK(M_OVLAN_MASK) |
+ V_OVLAN_ETYPE(0x88a8));
+ /* OVLAN Type 0x9100 */
+ t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN1),
+ V_OVLAN_MASK(M_OVLAN_MASK) |
+ V_OVLAN_ETYPE(M_OVLAN_ETYPE),
+ V_OVLAN_MASK(M_OVLAN_MASK) |
+ V_OVLAN_ETYPE(0x9100));
+ /* OVLAN Type 0x8100 */
+ t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN2),
+ V_OVLAN_MASK(M_OVLAN_MASK) |
+ V_OVLAN_ETYPE(M_OVLAN_ETYPE),
+ V_OVLAN_MASK(M_OVLAN_MASK) |
+ V_OVLAN_ETYPE(0x8100));
+
+ /* IVLAN 0X8100 */
+ t4_set_reg_field(adapter, MPS_PORT_RX_IVLAN(i),
+ V_IVLAN_ETYPE(M_IVLAN_ETYPE),
+ V_IVLAN_ETYPE(0x8100));
+
+ t4_set_reg_field(adapter, MPS_PORT_RX_CTL(i),
+ F_OVLAN_EN0 | F_OVLAN_EN1 |
+ F_OVLAN_EN2 | F_IVLAN_EN,
+ F_OVLAN_EN0 | F_OVLAN_EN1 |
+ F_OVLAN_EN2 | F_IVLAN_EN);
+ }
+
+ if (cxgbe_get_devargs(pdev->device.devargs, CXGBE_DEVARG_KEEP_OVLAN))
+ t4_tp_wr_bits_indirect(adapter, A_TP_INGRESS_CONFIG,
+ V_RM_OVLAN(1), V_RM_OVLAN(0));
+}
+
static void configure_pcie_ext_tag(struct adapter *adapter)
{
u16 v;
@@ -828,6 +886,7 @@ static int adap_init0(struct adapter *adap)
t4_init_sge_params(adap);
t4_init_tp_params(adap);
configure_pcie_ext_tag(adap);
+ configure_vlan_types(adap);
adap->params.drv_memwin = MEMWIN_NIC;
adap->flags |= FW_OK;
@@ -860,7 +919,7 @@ void t4_os_portmod_changed(const struct adapter *adap, int port_id)
NULL, "LR", "SR", "ER", "passive DA", "active DA", "LRM"
};
- const struct port_info *pi = &adap->port[port_id];
+ const struct port_info *pi = adap2pinfo(adap, port_id);
if (pi->mod_type == FW_PORT_MOD_TYPE_NONE)
dev_info(adap, "Port%d: port module unplugged\n", pi->port_id);
@@ -881,6 +940,18 @@ void t4_os_portmod_changed(const struct adapter *adap, int port_id)
pi->port_id, pi->mod_type);
}
+inline bool force_linkup(struct adapter *adap)
+{
+ struct rte_pci_device *pdev = adap->pdev;
+
+ if (is_pf4(adap))
+ return false; /* force_linkup not required for pf driver*/
+ if (!cxgbe_get_devargs(pdev->device.devargs,
+ CXGBE_DEVARG_FORCE_LINK_UP))
+ return false;
+ return true;
+}
+
/**
* link_start - enable a port
* @dev: the port to enable
@@ -912,7 +983,7 @@ int link_start(struct port_info *pi)
ret = 0;
}
}
- if (ret == 0)
+ if (ret == 0 && is_pf4(adapter))
ret = t4_link_l1cfg(adapter, adapter->mbox, pi->tx_chan,
&pi->link_cfg);
if (ret == 0) {
@@ -926,18 +997,78 @@ int link_start(struct port_info *pi)
ret = t4_enable_vi_params(adapter, adapter->mbox, pi->viid,
true, true, false);
}
+
+ if (ret == 0 && force_linkup(adapter))
+ pi->eth_dev->data->dev_link.link_status = ETH_LINK_UP;
return ret;
}
/**
- * cxgb4_write_rss - write the RSS table for a given port
+ * cxgbe_write_rss_conf - flash the RSS configuration for a given port
+ * @pi: the port
+ * @rss_hf: Hash configuration to apply
+ */
+int cxgbe_write_rss_conf(const struct port_info *pi, uint64_t rss_hf)
+{
+ struct adapter *adapter = pi->adapter;
+ const struct sge_eth_rxq *rxq;
+ u64 flags = 0;
+ u16 rss;
+ int err;
+
+ /* Should never be called before setting up sge eth rx queues */
+ if (!(adapter->flags & FULL_INIT_DONE)) {
+ dev_err(adap, "%s No RXQs available on port %d\n",
+ __func__, pi->port_id);
+ return -EINVAL;
+ }
+
+ /* Don't allow unsupported hash functions */
+ if (rss_hf & ~CXGBE_RSS_HF_ALL)
+ return -EINVAL;
+
+ if (rss_hf & ETH_RSS_IPV4)
+ flags |= F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN;
+
+ if (rss_hf & ETH_RSS_NONFRAG_IPV4_TCP)
+ flags |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN;
+
+ if (rss_hf & ETH_RSS_NONFRAG_IPV4_UDP)
+ flags |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN |
+ F_FW_RSS_VI_CONFIG_CMD_UDPEN;
+
+ if (rss_hf & ETH_RSS_IPV6)
+ flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN;
+
+ if (rss_hf & ETH_RSS_NONFRAG_IPV6_TCP)
+ flags |= F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
+
+ if (rss_hf & ETH_RSS_NONFRAG_IPV6_UDP)
+ flags |= F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN |
+ F_FW_RSS_VI_CONFIG_CMD_UDPEN;
+
+ rxq = &adapter->sge.ethrxq[pi->first_qset];
+ rss = rxq[0].rspq.abs_id;
+
+ /* If Tunnel All Lookup isn't specified in the global RSS
+ * Configuration, then we need to specify a default Ingress
+ * Queue for any ingress packets which aren't hashed. We'll
+ * use our first ingress queue ...
+ */
+ err = t4_config_vi_rss(adapter, adapter->mbox, pi->viid,
+ flags, rss);
+ return err;
+}
+
+/**
+ * cxgbe_write_rss - write the RSS table for a given port
* @pi: the port
* @queues: array of queue indices for RSS
*
* Sets up the portion of the HW RSS table for the port's VI to distribute
* packets to the Rx queues in @queues.
*/
-int cxgb4_write_rss(const struct port_info *pi, const u16 *queues)
+int cxgbe_write_rss(const struct port_info *pi, const u16 *queues)
{
u16 *rss;
int i, err;
@@ -958,20 +1089,6 @@ int cxgb4_write_rss(const struct port_info *pi, const u16 *queues)
err = t4_config_rss_range(adapter, adapter->pf, pi->viid, 0,
pi->rss_size, rss, pi->rss_size);
- /*
- * If Tunnel All Lookup isn't specified in the global RSS
- * Configuration, then we need to specify a default Ingress
- * Queue for any ingress packets which aren't hashed. We'll
- * use our first ingress queue ...
- */
- if (!err)
- err = t4_config_vi_rss(adapter, adapter->mbox, pi->viid,
- F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN |
- F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN |
- F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN |
- F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN |
- F_FW_RSS_VI_CONFIG_CMD_UDPEN,
- rss[0]);
rte_free(rss);
return err;
}
@@ -1001,7 +1118,11 @@ int setup_rss(struct port_info *pi)
for (j = 0; j < pi->rss_size; j++)
pi->rss[j] = j % pi->n_rx_qsets;
- err = cxgb4_write_rss(pi, pi->rss);
+ err = cxgbe_write_rss(pi, pi->rss);
+ if (err)
+ return err;
+
+ err = cxgbe_write_rss_conf(pi, pi->rss_hf);
if (err)
return err;
pi->flags |= PORT_RSS_DONE;
@@ -1016,7 +1137,8 @@ int setup_rss(struct port_info *pi)
static void enable_rx(struct adapter *adap, struct sge_rspq *q)
{
/* 0-increment GTS to start the timer and enable interrupts */
- t4_write_reg(adap, MYPF_REG(A_SGE_PF_GTS),
+ t4_write_reg(adap, is_pf4(adap) ? MYPF_REG(A_SGE_PF_GTS) :
+ T4VF_SGE_BASE_ADDR + A_SGE_VF_GTS,
V_SEINTARM(q->intr_params) |
V_INGRESSQID(q->cntxt_id));
}
@@ -1051,7 +1173,7 @@ static void fw_caps_to_speed_caps(enum fw_port_type port_type,
#define FW_CAPS_TO_SPEED(__fw_name) \
do { \
- if (fw_caps & FW_PORT_CAP_ ## __fw_name) \
+ if (fw_caps & FW_PORT_CAP32_ ## __fw_name) \
SET_SPEED(__fw_name); \
} while (0)
@@ -1106,6 +1228,7 @@ static void fw_caps_to_speed_caps(enum fw_port_type port_type,
case FW_PORT_TYPE_CR4_QSFP:
FW_CAPS_TO_SPEED(SPEED_25G);
FW_CAPS_TO_SPEED(SPEED_40G);
+ FW_CAPS_TO_SPEED(SPEED_50G);
FW_CAPS_TO_SPEED(SPEED_100G);
break;
@@ -1128,10 +1251,10 @@ void cxgbe_get_speed_caps(struct port_info *pi, u32 *speed_caps)
{
*speed_caps = 0;
- fw_caps_to_speed_caps(pi->port_type, pi->link_cfg.supported,
+ fw_caps_to_speed_caps(pi->port_type, pi->link_cfg.pcaps,
speed_caps);
- if (!(pi->link_cfg.supported & FW_PORT_CAP_ANEG))
+ if (!(pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG))
*speed_caps |= ETH_LINK_SPEED_FIXED;
}
@@ -1147,7 +1270,8 @@ int cxgbe_up(struct adapter *adap)
{
enable_rx(adap, &adap->sge.fw_evtq);
t4_sge_tx_monitor_start(adap);
- t4_intr_enable(adap);
+ if (is_pf4(adap))
+ t4_intr_enable(adap);
adap->flags |= FULL_INIT_DONE;
/* TODO: deadman watchdog ?? */
@@ -1168,7 +1292,7 @@ int cxgbe_down(struct port_info *pi)
return err;
}
- t4_reset_link_config(adapter, pi->port_id);
+ t4_reset_link_config(adapter, pi->pidx);
return 0;
}
@@ -1181,7 +1305,8 @@ void cxgbe_close(struct adapter *adapter)
int i;
if (adapter->flags & FULL_INIT_DONE) {
- t4_intr_disable(adapter);
+ if (is_pf4(adapter))
+ t4_intr_disable(adapter);
t4_sge_tx_monitor_stop(adapter);
t4_free_sge_resources(adapter);
for_each_port(adapter, i) {
@@ -1190,11 +1315,16 @@ void cxgbe_close(struct adapter *adapter)
t4_free_vi(adapter, adapter->mbox,
adapter->pf, 0, pi->viid);
rte_free(pi->eth_dev->data->mac_addrs);
+ /* Skip first port since it'll be freed by DPDK stack */
+ if (i) {
+ rte_free(pi->eth_dev->data->dev_private);
+ rte_eth_dev_release_port(pi->eth_dev);
+ }
}
adapter->flags &= ~FULL_INIT_DONE;
}
- if (adapter->flags & FW_OK)
+ if (is_pf4(adapter) && (adapter->flags & FW_OK))
t4_fw_bye(adapter, adapter->mbox);
}
@@ -1265,21 +1395,16 @@ int cxgbe_probe(struct adapter *adapter)
}
for_each_port(adapter, i) {
- char name[RTE_ETH_NAME_MAX_LEN];
- struct rte_eth_dev_data *data = NULL;
const unsigned int numa_node = rte_socket_id();
+ char name[RTE_ETH_NAME_MAX_LEN];
+ struct rte_eth_dev *eth_dev;
- pi = &adapter->port[i];
- pi->adapter = adapter;
- pi->xact_addr_filt = -1;
- pi->port_id = i;
-
- snprintf(name, sizeof(name), "cxgbe%d",
- adapter->eth_dev->data->port_id + i);
+ snprintf(name, sizeof(name), "%s_%d",
+ adapter->pdev->device.name, i);
if (i == 0) {
/* First port is already allocated by DPDK */
- pi->eth_dev = adapter->eth_dev;
+ eth_dev = adapter->eth_dev;
goto allocate_mac;
}
@@ -1289,21 +1414,26 @@ int cxgbe_probe(struct adapter *adapter)
*/
/* reserve an ethdev entry */
- pi->eth_dev = rte_eth_dev_allocate(name);
- if (!pi->eth_dev)
+ eth_dev = rte_eth_dev_allocate(name);
+ if (!eth_dev)
goto out_free;
- data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
- if (!data)
+ eth_dev->data->dev_private =
+ rte_zmalloc_socket(name, sizeof(struct port_info),
+ RTE_CACHE_LINE_SIZE, numa_node);
+ if (!eth_dev->data->dev_private)
goto out_free;
- data->port_id = adapter->eth_dev->data->port_id + i;
-
- pi->eth_dev->data = data;
-
allocate_mac:
+ pi = (struct port_info *)eth_dev->data->dev_private;
+ adapter->port[i] = pi;
+ pi->eth_dev = eth_dev;
+ pi->adapter = adapter;
+ pi->xact_addr_filt = -1;
+ pi->port_id = i;
+ pi->pidx = i;
+
pi->eth_dev->device = &adapter->pdev->device;
- pi->eth_dev->data->dev_private = pi;
pi->eth_dev->dev_ops = adapter->eth_dev->dev_ops;
pi->eth_dev->tx_pkt_burst = adapter->eth_dev->tx_pkt_burst;
pi->eth_dev->rx_pkt_burst = adapter->eth_dev->rx_pkt_burst;
@@ -1318,6 +1448,11 @@ allocate_mac:
err = -1;
goto out_free;
}
+
+ if (i > 0) {
+ /* First port will be notified by upper layer */
+ rte_eth_dev_probing_finish(eth_dev);
+ }
}
if (adapter->flags & FW_OK) {
@@ -1349,8 +1484,11 @@ out_free:
/* Skip first port since it'll be de-allocated by DPDK */
if (i == 0)
continue;
- if (pi->eth_dev->data)
- rte_free(pi->eth_dev->data);
+ if (pi->eth_dev) {
+ if (pi->eth_dev->data->dev_private)
+ rte_free(pi->eth_dev->data->dev_private);
+ rte_eth_dev_release_port(pi->eth_dev);
+ }
}
if (adapter->flags & FW_OK)