summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c14
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h5
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c97
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c2
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h3
5 files changed, 110 insertions, 11 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 8471e47d0480..24a17ce35703 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -49,8 +49,6 @@
#include <linux/log2.h>
#include <linux/aer.h>
#include <linux/bitmap.h>
-#include <linux/ptp_clock_kernel.h>
-#include <linux/timecounter.h>
#include <linux/cpu_rmap.h>
#include <linux/cpumask.h>
#include <net/pkt_cls.h>
@@ -4603,7 +4601,7 @@ int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp, unsigned long *bmap, int bmap_size,
return rc;
}
-static int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp)
+int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp)
{
struct hwrm_func_drv_unrgtr_input *req;
int rc;
@@ -7144,7 +7142,7 @@ static void bnxt_free_ctx_pg_tbls(struct bnxt *bp,
ctx_pg->nr_pages = 0;
}
-static void bnxt_free_ctx_mem(struct bnxt *bp)
+void bnxt_free_ctx_mem(struct bnxt *bp)
{
struct bnxt_ctx_mem_info *ctx = bp->ctx;
int i;
@@ -9198,7 +9196,7 @@ static char *bnxt_report_fec(struct bnxt_link_info *link_info)
}
}
-static void bnxt_report_link(struct bnxt *bp)
+void bnxt_report_link(struct bnxt *bp)
{
if (bp->link_info.link_up) {
const char *signal = "";
@@ -9643,8 +9641,6 @@ static int bnxt_hwrm_shutdown_link(struct bnxt *bp)
return hwrm_req_send(bp, req);
}
-static int bnxt_fw_init_one(struct bnxt *bp);
-
static int bnxt_fw_reset_via_optee(struct bnxt *bp)
{
#ifdef CONFIG_TEE_BNXT_FW
@@ -10279,7 +10275,7 @@ void bnxt_half_close_nic(struct bnxt *bp)
bnxt_free_mem(bp, false);
}
-static void bnxt_reenable_sriov(struct bnxt *bp)
+void bnxt_reenable_sriov(struct bnxt *bp)
{
if (BNXT_PF(bp)) {
struct bnxt_pf_info *pf = &bp->pf;
@@ -11950,7 +11946,7 @@ static void bnxt_fw_init_one_p3(struct bnxt *bp)
static int bnxt_probe_phy(struct bnxt *bp, bool fw_dflt);
-static int bnxt_fw_init_one(struct bnxt *bp)
+int bnxt_fw_init_one(struct bnxt *bp)
{
int rc;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 5ca4f19936c3..4a9bdab90c28 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -2230,11 +2230,13 @@ void bnxt_set_ring_params(struct bnxt *);
int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode);
int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp, unsigned long *bmap,
int bmap_size, bool async_only);
+int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp);
int bnxt_get_nr_rss_ctxs(struct bnxt *bp, int rx_rings);
int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id);
int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings);
int bnxt_nq_rings_in_use(struct bnxt *bp);
int bnxt_hwrm_set_coal(struct bnxt *);
+void bnxt_free_ctx_mem(struct bnxt *bp);
unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp);
unsigned int bnxt_get_avail_stat_ctxs_for_en(struct bnxt *bp);
unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp);
@@ -2243,6 +2245,7 @@ int bnxt_get_avail_msix(struct bnxt *bp, int num);
int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init);
void bnxt_tx_disable(struct bnxt *bp);
void bnxt_tx_enable(struct bnxt *bp);
+void bnxt_report_link(struct bnxt *bp);
int bnxt_update_link(struct bnxt *bp, bool chng_link_state);
int bnxt_hwrm_set_pause(struct bnxt *);
int bnxt_hwrm_set_link_setting(struct bnxt *, bool, bool);
@@ -2255,6 +2258,7 @@ int bnxt_hwrm_fw_set_time(struct bnxt *);
int bnxt_open_nic(struct bnxt *, bool, bool);
int bnxt_half_open_nic(struct bnxt *bp);
void bnxt_half_close_nic(struct bnxt *bp);
+void bnxt_reenable_sriov(struct bnxt *bp);
int bnxt_close_nic(struct bnxt *, bool, bool);
int bnxt_dbg_hwrm_rd_reg(struct bnxt *bp, u32 reg_off, u16 num_words,
u32 *reg_buf);
@@ -2262,6 +2266,7 @@ void bnxt_fw_exception(struct bnxt *bp);
void bnxt_fw_reset(struct bnxt *bp);
int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
int tx_xdp);
+int bnxt_fw_init_one(struct bnxt *bp);
int bnxt_setup_mq_tc(struct net_device *dev, u8 tc);
int bnxt_get_max_rings(struct bnxt *, int *, int *, bool);
int bnxt_restore_pf_fw_resources(struct bnxt *bp);
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index 951c0c00cc95..d875469f72ce 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -16,6 +16,8 @@
#include "bnxt_vfr.h"
#include "bnxt_devlink.h"
#include "bnxt_ethtool.h"
+#include "bnxt_ulp.h"
+#include "bnxt_ptp.h"
static int
bnxt_dl_flash_update(struct devlink *dl,
@@ -280,6 +282,98 @@ void bnxt_dl_health_recovery_done(struct bnxt *bp)
static int bnxt_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
struct netlink_ext_ack *extack);
+static int bnxt_dl_reload_down(struct devlink *dl, bool netns_change,
+ enum devlink_reload_action action,
+ enum devlink_reload_limit limit,
+ struct netlink_ext_ack *extack)
+{
+ struct bnxt *bp = bnxt_get_bp_from_dl(dl);
+ int rc = 0;
+
+ switch (action) {
+ case DEVLINK_RELOAD_ACTION_DRIVER_REINIT: {
+ if (BNXT_PF(bp) && bp->pf.active_vfs) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "reload is unsupported when VFs are allocated\n");
+ return -EOPNOTSUPP;
+ }
+ rtnl_lock();
+ if (bp->dev->reg_state == NETREG_UNREGISTERED) {
+ rtnl_unlock();
+ return -ENODEV;
+ }
+ bnxt_ulp_stop(bp);
+ if (netif_running(bp->dev)) {
+ rc = bnxt_close_nic(bp, true, true);
+ if (rc) {
+ NL_SET_ERR_MSG_MOD(extack, "Failed to close");
+ dev_close(bp->dev);
+ rtnl_unlock();
+ break;
+ }
+ }
+ bnxt_vf_reps_free(bp);
+ rc = bnxt_hwrm_func_drv_unrgtr(bp);
+ if (rc) {
+ NL_SET_ERR_MSG_MOD(extack, "Failed to deregister");
+ if (netif_running(bp->dev))
+ dev_close(bp->dev);
+ rtnl_unlock();
+ break;
+ }
+ bnxt_cancel_reservations(bp, false);
+ bnxt_free_ctx_mem(bp);
+ kfree(bp->ctx);
+ bp->ctx = NULL;
+ break;
+ }
+ default:
+ rc = -EOPNOTSUPP;
+ }
+
+ return rc;
+}
+
+static int bnxt_dl_reload_up(struct devlink *dl, enum devlink_reload_action action,
+ enum devlink_reload_limit limit, u32 *actions_performed,
+ struct netlink_ext_ack *extack)
+{
+ struct bnxt *bp = bnxt_get_bp_from_dl(dl);
+ int rc = 0;
+
+ *actions_performed = 0;
+ switch (action) {
+ case DEVLINK_RELOAD_ACTION_DRIVER_REINIT: {
+ bnxt_fw_init_one(bp);
+ bnxt_vf_reps_alloc(bp);
+ if (netif_running(bp->dev))
+ rc = bnxt_open_nic(bp, true, true);
+ bnxt_ulp_start(bp, rc);
+ if (!rc) {
+ bnxt_reenable_sriov(bp);
+ bnxt_ptp_reapply_pps(bp);
+ }
+ break;
+ }
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ if (!rc) {
+ bnxt_print_device_info(bp);
+ if (netif_running(bp->dev)) {
+ mutex_lock(&bp->link_lock);
+ bnxt_report_link(bp);
+ mutex_unlock(&bp->link_lock);
+ }
+ *actions_performed |= BIT(action);
+ } else if (netif_running(bp->dev)) {
+ dev_close(bp->dev);
+ }
+ rtnl_unlock();
+ return rc;
+}
+
static const struct devlink_ops bnxt_dl_ops = {
#ifdef CONFIG_BNXT_SRIOV
.eswitch_mode_set = bnxt_dl_eswitch_mode_set,
@@ -287,6 +381,9 @@ static const struct devlink_ops bnxt_dl_ops = {
#endif /* CONFIG_BNXT_SRIOV */
.info_get = bnxt_dl_info_get,
.flash_update = bnxt_dl_flash_update,
+ .reload_actions = BIT(DEVLINK_RELOAD_ACTION_DRIVER_REINIT),
+ .reload_down = bnxt_dl_reload_down,
+ .reload_up = bnxt_dl_reload_up,
};
static const struct devlink_ops bnxt_vf_dl_ops;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
index f0aa480799ca..8388be119f9a 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
@@ -11,9 +11,7 @@
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
-#include <linux/ptp_clock_kernel.h>
#include <linux/net_tstamp.h>
-#include <linux/timecounter.h>
#include <linux/timekeeping.h>
#include <linux/ptp_classify.h>
#include "bnxt_hsi.h"
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h
index fa5f05708e6d..7c528e1f8713 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h
@@ -10,6 +10,9 @@
#ifndef BNXT_PTP_H
#define BNXT_PTP_H
+#include <linux/ptp_clock_kernel.h>
+#include <linux/timecounter.h>
+
#define BNXT_PTP_GRC_WIN 6
#define BNXT_PTP_GRC_WIN_BASE 0x6000
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-10 12:27:32 +0300