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path: root/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c120
1 files changed, 85 insertions, 35 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index 3cbe771b3352..7ce1d4b7e67d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
@@ -26,8 +26,6 @@
#define FLASH_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
#define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
-static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
-
static u32 bnxt_get_msglevel(struct net_device *dev)
{
struct bnxt *bp = netdev_priv(dev);
@@ -46,19 +44,24 @@ static int bnxt_get_coalesce(struct net_device *dev,
struct ethtool_coalesce *coal)
{
struct bnxt *bp = netdev_priv(dev);
+ struct bnxt_coal *hw_coal;
+ u16 mult;
memset(coal, 0, sizeof(*coal));
- coal->rx_coalesce_usecs = bp->rx_coal_ticks;
- /* 2 completion records per rx packet */
- coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
- coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
- coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
+ hw_coal = &bp->rx_coal;
+ mult = hw_coal->bufs_per_record;
+ coal->rx_coalesce_usecs = hw_coal->coal_ticks;
+ coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
+ coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
+ coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
- coal->tx_coalesce_usecs = bp->tx_coal_ticks;
- coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
- coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
- coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
+ hw_coal = &bp->tx_coal;
+ mult = hw_coal->bufs_per_record;
+ coal->tx_coalesce_usecs = hw_coal->coal_ticks;
+ coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
+ coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
+ coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
@@ -70,18 +73,23 @@ static int bnxt_set_coalesce(struct net_device *dev,
{
struct bnxt *bp = netdev_priv(dev);
bool update_stats = false;
+ struct bnxt_coal *hw_coal;
int rc = 0;
-
- bp->rx_coal_ticks = coal->rx_coalesce_usecs;
- /* 2 completion records per rx packet */
- bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
- bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
- bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
-
- bp->tx_coal_ticks = coal->tx_coalesce_usecs;
- bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
- bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
- bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
+ u16 mult;
+
+ hw_coal = &bp->rx_coal;
+ mult = hw_coal->bufs_per_record;
+ hw_coal->coal_ticks = coal->rx_coalesce_usecs;
+ hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
+ hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
+ hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
+
+ hw_coal = &bp->tx_coal;
+ mult = hw_coal->bufs_per_record;
+ hw_coal->coal_ticks = coal->tx_coalesce_usecs;
+ hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
+ hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
+ hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
u32 stats_ticks = coal->stats_block_coalesce_usecs;
@@ -822,20 +830,10 @@ static void bnxt_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct bnxt *bp = netdev_priv(dev);
- char *pkglog;
- char *pkgver = NULL;
- pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
- if (pkglog)
- pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
- if (pkgver && *pkgver != 0 && isdigit(*pkgver))
- snprintf(info->fw_version, sizeof(info->fw_version) - 1,
- "%s pkg %s", bp->fw_ver_str, pkgver);
- else
- strlcpy(info->fw_version, bp->fw_ver_str,
- sizeof(info->fw_version));
+ strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
info->n_stats = bnxt_get_num_stats(bp);
info->testinfo_len = bp->num_tests;
@@ -843,7 +841,6 @@ static void bnxt_get_drvinfo(struct net_device *dev,
info->eedump_len = 0;
/* TODO CHIMP FW: reg dump details */
info->regdump_len = 0;
- kfree(pkglog);
}
static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
@@ -1350,7 +1347,6 @@ static int bnxt_firmware_reset(struct net_device *dev,
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
- /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
/* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
/* (e.g. when firmware isn't already running) */
switch (dir_type) {
@@ -1376,6 +1372,10 @@ static int bnxt_firmware_reset(struct net_device *dev,
case BNX_DIR_TYPE_BONO_PATCH:
req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
break;
+ case BNXT_FW_RESET_CHIP:
+ req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
+ req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
+ break;
default:
return -EINVAL;
}
@@ -1773,6 +1773,9 @@ static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
dma_addr_t dma_handle;
struct hwrm_nvm_read_input req = {0};
+ if (!length)
+ return -EINVAL;
+
buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
GFP_KERNEL);
if (!buf) {
@@ -2495,13 +2498,59 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
}
}
+static int bnxt_reset(struct net_device *dev, u32 *flags)
+{
+ struct bnxt *bp = netdev_priv(dev);
+ int rc = 0;
+
+ if (!BNXT_PF(bp)) {
+ netdev_err(dev, "Reset is not supported from a VF\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (pci_vfs_assigned(bp->pdev)) {
+ netdev_err(dev,
+ "Reset not allowed when VFs are assigned to VMs\n");
+ return -EBUSY;
+ }
+
+ if (*flags == ETH_RESET_ALL) {
+ /* This feature is not supported in older firmware versions */
+ if (bp->hwrm_spec_code < 0x10803)
+ return -EOPNOTSUPP;
+
+ rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
+ if (!rc)
+ netdev_info(dev, "Reset request successful. Reload driver to complete reset\n");
+ } else {
+ rc = -EINVAL;
+ }
+
+ return rc;
+}
+
void bnxt_ethtool_init(struct bnxt *bp)
{
struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
struct hwrm_selftest_qlist_input req = {0};
struct bnxt_test_info *test_info;
+ struct net_device *dev = bp->dev;
+ char *pkglog;
int i, rc;
+ pkglog = kzalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
+ if (pkglog) {
+ char *pkgver;
+ int len;
+
+ pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
+ if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
+ len = strlen(bp->fw_ver_str);
+ snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
+ "/pkg %s", pkgver);
+ }
+ kfree(pkglog);
+ }
if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
return;
@@ -2592,4 +2641,5 @@ const struct ethtool_ops bnxt_ethtool_ops = {
.nway_reset = bnxt_nway_reset,
.set_phys_id = bnxt_set_phys_id,
.self_test = bnxt_self_test,
+ .reset = bnxt_reset,
};
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-10 10:40:42 +0000