aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c375
1 files changed, 365 insertions, 10 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 7270c8b0cef3..e52d7af3ab3e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -16,12 +16,15 @@
#include <linux/etherdevice.h>
#include <linux/crc32.h>
#include <linux/firmware.h>
+#include <linux/utsname.h>
+#include <linux/time.h>
#include "bnxt_hsi.h"
#include "bnxt.h"
#include "bnxt_xdp.h"
#include "bnxt_ethtool.h"
#include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
#include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
+#include "bnxt_coredump.h"
#define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
#define FLASH_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
#define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
@@ -112,6 +115,11 @@ static int bnxt_set_coalesce(struct net_device *dev,
BNXT_MAX_STATS_COAL_TICKS);
stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
bp->stats_coal_ticks = stats_ticks;
+ if (bp->stats_coal_ticks)
+ bp->current_interval =
+ bp->stats_coal_ticks * HZ / 1000000;
+ else
+ bp->current_interval = BNXT_TIMER_INTERVAL;
update_stats = true;
}
@@ -162,7 +170,7 @@ static const struct {
BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
- BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
+ BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
@@ -205,9 +213,9 @@ static const struct {
BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
- BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
+ BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
- BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
+ BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
@@ -463,7 +471,7 @@ static void bnxt_get_channels(struct net_device *dev,
int max_tx_sch_inputs;
/* Get the most up-to-date max_tx_sch_inputs. */
- if (bp->flags & BNXT_FLAG_NEW_RM)
+ if (BNXT_NEW_RM(bp))
bnxt_hwrm_func_resc_qcaps(bp, false);
max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
@@ -2392,7 +2400,7 @@ static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
return rc;
}
-static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable)
+static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
{
struct hwrm_port_phy_cfg_input req = {0};
@@ -2400,7 +2408,10 @@ static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable)
if (enable) {
bnxt_disable_an_for_lpbk(bp, &req);
- req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
+ if (ext)
+ req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
+ else
+ req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
} else {
req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
}
@@ -2533,15 +2544,17 @@ static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
return rc;
}
-#define BNXT_DRV_TESTS 3
+#define BNXT_DRV_TESTS 4
#define BNXT_MACLPBK_TEST_IDX (bp->num_tests - BNXT_DRV_TESTS)
#define BNXT_PHYLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 1)
-#define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
+#define BNXT_EXTLPBK_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 2)
+#define BNXT_IRQ_TEST_IDX (BNXT_MACLPBK_TEST_IDX + 3)
static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
u64 *buf)
{
struct bnxt *bp = netdev_priv(dev);
+ bool do_ext_lpbk = false;
bool offline = false;
u8 test_results = 0;
u8 test_mask = 0;
@@ -2555,6 +2568,10 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
return;
}
+ if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
+ (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
+ do_ext_lpbk = true;
+
if (etest->flags & ETH_TEST_FL_OFFLINE) {
if (bp->pf.active_vfs) {
etest->flags |= ETH_TEST_FL_FAILED;
@@ -2595,13 +2612,22 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
buf[BNXT_MACLPBK_TEST_IDX] = 0;
bnxt_hwrm_mac_loopback(bp, false);
- bnxt_hwrm_phy_loopback(bp, true);
+ bnxt_hwrm_phy_loopback(bp, true, false);
msleep(1000);
if (bnxt_run_loopback(bp)) {
buf[BNXT_PHYLPBK_TEST_IDX] = 1;
etest->flags |= ETH_TEST_FL_FAILED;
}
- bnxt_hwrm_phy_loopback(bp, false);
+ if (do_ext_lpbk) {
+ etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
+ bnxt_hwrm_phy_loopback(bp, true, true);
+ msleep(1000);
+ if (bnxt_run_loopback(bp)) {
+ buf[BNXT_EXTLPBK_TEST_IDX] = 1;
+ etest->flags |= ETH_TEST_FL_FAILED;
+ }
+ }
+ bnxt_hwrm_phy_loopback(bp, false, false);
bnxt_half_close_nic(bp);
bnxt_open_nic(bp, false, true);
}
@@ -2662,6 +2688,331 @@ static int bnxt_reset(struct net_device *dev, u32 *flags)
return rc;
}
+static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len,
+ struct bnxt_hwrm_dbg_dma_info *info)
+{
+ struct hwrm_dbg_cmn_output *cmn_resp = bp->hwrm_cmd_resp_addr;
+ struct hwrm_dbg_cmn_input *cmn_req = msg;
+ __le16 *seq_ptr = msg + info->seq_off;
+ u16 seq = 0, len, segs_off;
+ void *resp = cmn_resp;
+ dma_addr_t dma_handle;
+ int rc, off = 0;
+ void *dma_buf;
+
+ dma_buf = dma_alloc_coherent(&bp->pdev->dev, info->dma_len, &dma_handle,
+ GFP_KERNEL);
+ if (!dma_buf)
+ return -ENOMEM;
+
+ segs_off = offsetof(struct hwrm_dbg_coredump_list_output,
+ total_segments);
+ cmn_req->host_dest_addr = cpu_to_le64(dma_handle);
+ cmn_req->host_buf_len = cpu_to_le32(info->dma_len);
+ mutex_lock(&bp->hwrm_cmd_lock);
+ while (1) {
+ *seq_ptr = cpu_to_le16(seq);
+ rc = _hwrm_send_message(bp, msg, msg_len, HWRM_CMD_TIMEOUT);
+ if (rc)
+ break;
+
+ len = le16_to_cpu(*((__le16 *)(resp + info->data_len_off)));
+ if (!seq &&
+ cmn_req->req_type == cpu_to_le16(HWRM_DBG_COREDUMP_LIST)) {
+ info->segs = le16_to_cpu(*((__le16 *)(resp +
+ segs_off)));
+ if (!info->segs) {
+ rc = -EIO;
+ break;
+ }
+
+ info->dest_buf_size = info->segs *
+ sizeof(struct coredump_segment_record);
+ info->dest_buf = kmalloc(info->dest_buf_size,
+ GFP_KERNEL);
+ if (!info->dest_buf) {
+ rc = -ENOMEM;
+ break;
+ }
+ }
+
+ if (info->dest_buf)
+ memcpy(info->dest_buf + off, dma_buf, len);
+
+ if (cmn_req->req_type ==
+ cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
+ info->dest_buf_size += len;
+
+ if (!(cmn_resp->flags & HWRM_DBG_CMN_FLAGS_MORE))
+ break;
+
+ seq++;
+ off += len;
+ }
+ mutex_unlock(&bp->hwrm_cmd_lock);
+ dma_free_coherent(&bp->pdev->dev, info->dma_len, dma_buf, dma_handle);
+ return rc;
+}
+
+static int bnxt_hwrm_dbg_coredump_list(struct bnxt *bp,
+ struct bnxt_coredump *coredump)
+{
+ struct hwrm_dbg_coredump_list_input req = {0};
+ struct bnxt_hwrm_dbg_dma_info info = {NULL};
+ int rc;
+
+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_LIST, -1, -1);
+
+ info.dma_len = COREDUMP_LIST_BUF_LEN;
+ info.seq_off = offsetof(struct hwrm_dbg_coredump_list_input, seq_no);
+ info.data_len_off = offsetof(struct hwrm_dbg_coredump_list_output,
+ data_len);
+
+ rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
+ if (!rc) {
+ coredump->data = info.dest_buf;
+ coredump->data_size = info.dest_buf_size;
+ coredump->total_segs = info.segs;
+ }
+ return rc;
+}
+
+static int bnxt_hwrm_dbg_coredump_initiate(struct bnxt *bp, u16 component_id,
+ u16 segment_id)
+{
+ struct hwrm_dbg_coredump_initiate_input req = {0};
+
+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_INITIATE, -1, -1);
+ req.component_id = cpu_to_le16(component_id);
+ req.segment_id = cpu_to_le16(segment_id);
+
+ return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
+}
+
+static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
+ u16 segment_id, u32 *seg_len,
+ void *buf, u32 offset)
+{
+ struct hwrm_dbg_coredump_retrieve_input req = {0};
+ struct bnxt_hwrm_dbg_dma_info info = {NULL};
+ int rc;
+
+ bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_RETRIEVE, -1, -1);
+ req.component_id = cpu_to_le16(component_id);
+ req.segment_id = cpu_to_le16(segment_id);
+
+ info.dma_len = COREDUMP_RETRIEVE_BUF_LEN;
+ info.seq_off = offsetof(struct hwrm_dbg_coredump_retrieve_input,
+ seq_no);
+ info.data_len_off = offsetof(struct hwrm_dbg_coredump_retrieve_output,
+ data_len);
+ if (buf)
+ info.dest_buf = buf + offset;
+
+ rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
+ if (!rc)
+ *seg_len = info.dest_buf_size;
+
+ return rc;
+}
+
+static void
+bnxt_fill_coredump_seg_hdr(struct bnxt *bp,
+ struct bnxt_coredump_segment_hdr *seg_hdr,
+ struct coredump_segment_record *seg_rec, u32 seg_len,
+ int status, u32 duration, u32 instance)
+{
+ memset(seg_hdr, 0, sizeof(*seg_hdr));
+ memcpy(seg_hdr->signature, "sEgM", 4);
+ if (seg_rec) {
+ seg_hdr->component_id = (__force __le32)seg_rec->component_id;
+ seg_hdr->segment_id = (__force __le32)seg_rec->segment_id;
+ seg_hdr->low_version = seg_rec->version_low;
+ seg_hdr->high_version = seg_rec->version_hi;
+ } else {
+ /* For hwrm_ver_get response Component id = 2
+ * and Segment id = 0
+ */
+ seg_hdr->component_id = cpu_to_le32(2);
+ seg_hdr->segment_id = 0;
+ }
+ seg_hdr->function_id = cpu_to_le16(bp->pdev->devfn);
+ seg_hdr->length = cpu_to_le32(seg_len);
+ seg_hdr->status = cpu_to_le32(status);
+ seg_hdr->duration = cpu_to_le32(duration);
+ seg_hdr->data_offset = cpu_to_le32(sizeof(*seg_hdr));
+ seg_hdr->instance = cpu_to_le32(instance);
+}
+
+static void
+bnxt_fill_coredump_record(struct bnxt *bp, struct bnxt_coredump_record *record,
+ time64_t start, s16 start_utc, u16 total_segs,
+ int status)
+{
+ time64_t end = ktime_get_real_seconds();
+ u32 os_ver_major = 0, os_ver_minor = 0;
+ struct tm tm;
+
+ time64_to_tm(start, 0, &tm);
+ memset(record, 0, sizeof(*record));
+ memcpy(record->signature, "cOrE", 4);
+ record->flags = 0;
+ record->low_version = 0;
+ record->high_version = 1;
+ record->asic_state = 0;
+ strlcpy(record->system_name, utsname()->nodename,
+ sizeof(record->system_name));
+ record->year = cpu_to_le16(tm.tm_year);
+ record->month = cpu_to_le16(tm.tm_mon);
+ record->day = cpu_to_le16(tm.tm_mday);
+ record->hour = cpu_to_le16(tm.tm_hour);
+ record->minute = cpu_to_le16(tm.tm_min);
+ record->second = cpu_to_le16(tm.tm_sec);
+ record->utc_bias = cpu_to_le16(start_utc);
+ strcpy(record->commandline, "ethtool -w");
+ record->total_segments = cpu_to_le32(total_segs);
+
+ sscanf(utsname()->release, "%u.%u", &os_ver_major, &os_ver_minor);
+ record->os_ver_major = cpu_to_le32(os_ver_major);
+ record->os_ver_minor = cpu_to_le32(os_ver_minor);
+
+ strlcpy(record->os_name, utsname()->sysname, 32);
+ time64_to_tm(end, 0, &tm);
+ record->end_year = cpu_to_le16(tm.tm_year + 1900);
+ record->end_month = cpu_to_le16(tm.tm_mon + 1);
+ record->end_day = cpu_to_le16(tm.tm_mday);
+ record->end_hour = cpu_to_le16(tm.tm_hour);
+ record->end_minute = cpu_to_le16(tm.tm_min);
+ record->end_second = cpu_to_le16(tm.tm_sec);
+ record->end_utc_bias = cpu_to_le16(sys_tz.tz_minuteswest * 60);
+ record->asic_id1 = cpu_to_le32(bp->chip_num << 16 |
+ bp->ver_resp.chip_rev << 8 |
+ bp->ver_resp.chip_metal);
+ record->asic_id2 = 0;
+ record->coredump_status = cpu_to_le32(status);
+ record->ioctl_low_version = 0;
+ record->ioctl_high_version = 0;
+}
+
+static int bnxt_get_coredump(struct bnxt *bp, void *buf, u32 *dump_len)
+{
+ u32 ver_get_resp_len = sizeof(struct hwrm_ver_get_output);
+ struct coredump_segment_record *seg_record = NULL;
+ u32 offset = 0, seg_hdr_len, seg_record_len;
+ struct bnxt_coredump_segment_hdr seg_hdr;
+ struct bnxt_coredump coredump = {NULL};
+ time64_t start_time;
+ u16 start_utc;
+ int rc = 0, i;
+
+ start_time = ktime_get_real_seconds();
+ start_utc = sys_tz.tz_minuteswest * 60;
+ seg_hdr_len = sizeof(seg_hdr);
+
+ /* First segment should be hwrm_ver_get response */
+ *dump_len = seg_hdr_len + ver_get_resp_len;
+ if (buf) {
+ bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, NULL, ver_get_resp_len,
+ 0, 0, 0);
+ memcpy(buf + offset, &seg_hdr, seg_hdr_len);
+ offset += seg_hdr_len;
+ memcpy(buf + offset, &bp->ver_resp, ver_get_resp_len);
+ offset += ver_get_resp_len;
+ }
+
+ rc = bnxt_hwrm_dbg_coredump_list(bp, &coredump);
+ if (rc) {
+ netdev_err(bp->dev, "Failed to get coredump segment list\n");
+ goto err;
+ }
+
+ *dump_len += seg_hdr_len * coredump.total_segs;
+
+ seg_record = (struct coredump_segment_record *)coredump.data;
+ seg_record_len = sizeof(*seg_record);
+
+ for (i = 0; i < coredump.total_segs; i++) {
+ u16 comp_id = le16_to_cpu(seg_record->component_id);
+ u16 seg_id = le16_to_cpu(seg_record->segment_id);
+ u32 duration = 0, seg_len = 0;
+ unsigned long start, end;
+
+ start = jiffies;
+
+ rc = bnxt_hwrm_dbg_coredump_initiate(bp, comp_id, seg_id);
+ if (rc) {
+ netdev_err(bp->dev,
+ "Failed to initiate coredump for seg = %d\n",
+ seg_record->segment_id);
+ goto next_seg;
+ }
+
+ /* Write segment data into the buffer */
+ rc = bnxt_hwrm_dbg_coredump_retrieve(bp, comp_id, seg_id,
+ &seg_len, buf,
+ offset + seg_hdr_len);
+ if (rc)
+ netdev_err(bp->dev,
+ "Failed to retrieve coredump for seg = %d\n",
+ seg_record->segment_id);
+
+next_seg:
+ end = jiffies;
+ duration = jiffies_to_msecs(end - start);
+ bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, seg_record, seg_len,
+ rc, duration, 0);
+
+ if (buf) {
+ /* Write segment header into the buffer */
+ memcpy(buf + offset, &seg_hdr, seg_hdr_len);
+ offset += seg_hdr_len + seg_len;
+ }
+
+ *dump_len += seg_len;
+ seg_record =
+ (struct coredump_segment_record *)((u8 *)seg_record +
+ seg_record_len);
+ }
+
+err:
+ if (buf)
+ bnxt_fill_coredump_record(bp, buf + offset, start_time,
+ start_utc, coredump.total_segs + 1,
+ rc);
+ kfree(coredump.data);
+ *dump_len += sizeof(struct bnxt_coredump_record);
+
+ return rc;
+}
+
+static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
+{
+ struct bnxt *bp = netdev_priv(dev);
+
+ if (bp->hwrm_spec_code < 0x10801)
+ return -EOPNOTSUPP;
+
+ dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
+ bp->ver_resp.hwrm_fw_min_8b << 16 |
+ bp->ver_resp.hwrm_fw_bld_8b << 8 |
+ bp->ver_resp.hwrm_fw_rsvd_8b;
+
+ return bnxt_get_coredump(bp, NULL, &dump->len);
+}
+
+static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
+ void *buf)
+{
+ struct bnxt *bp = netdev_priv(dev);
+
+ if (bp->hwrm_spec_code < 0x10801)
+ return -EOPNOTSUPP;
+
+ memset(buf, 0, dump->len);
+
+ return bnxt_get_coredump(bp, buf, &dump->len);
+}
+
void bnxt_ethtool_init(struct bnxt *bp)
{
struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
@@ -2702,6 +3053,8 @@ void bnxt_ethtool_init(struct bnxt *bp)
strcpy(str, "Mac loopback test (offline)");
} else if (i == BNXT_PHYLPBK_TEST_IDX) {
strcpy(str, "Phy loopback test (offline)");
+ } else if (i == BNXT_EXTLPBK_TEST_IDX) {
+ strcpy(str, "Ext loopback test (offline)");
} else if (i == BNXT_IRQ_TEST_IDX) {
strcpy(str, "Interrupt_test (offline)");
} else {
@@ -2763,4 +3116,6 @@ const struct ethtool_ops bnxt_ethtool_ops = {
.set_phys_id = bnxt_set_phys_id,
.self_test = bnxt_self_test,
.reset = bnxt_reset,
+ .get_dump_flag = bnxt_get_dump_flag,
+ .get_dump_data = bnxt_get_dump_data,
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.