github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-22 12:44:03 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

bnge: send hwrm for interface down/up transitions

Browse Source 
Firmware expects HWRM_FUNC_DRV_IF_CHANGE on interface down/up
transitions to coordinate resource management.
Add bnge_hwrm_if_change() to send this notification.

Signed-off-by: Vikas Gupta <vikas.gupta@broadcom.com>
Reviewed-by: Dharmender Garg <dharmender.garg@broadcom.com>
Reviewed-by: Rahul Gupta <rahul-rg.gupta@broadcom.com>
Link: https://patch.msgid.link/20260731163712.3463362-4-vikas.gupta@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vikas Gupta 2026-07-31 22:07:12 +05:30 committed by Jakub Kicinski
parent fbe3647fd4
commit 1b1e855e43
1 changed files with 30 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/net/ethernet/broadcom/bnge/bnge_netdev.c
View File

@ -20,6 +20,7 @@
#include <net/page_pool/helpers.h>
#include "bnge.h"
#include "bnge_hwrm.h"
#include "bnge_hwrm_lib.h"
#include "bnge_ethtool.h"
#include "bnge_rmem.h"
@ -2864,6 +2865,24 @@ static void bnge_tx_enable(struct bnge_net *bn)
netif_carrier_on(bn->netdev);
}
static int bnge_hwrm_if_change(struct bnge_dev *bd, bool up)
{
struct hwrm_func_drv_if_change_input *req;
int rc;
if (!(bd->fw_cap & BNGE_FW_CAP_IF_CHANGE))
return 0;
rc = bnge_hwrm_req_init(bd, req, HWRM_FUNC_DRV_IF_CHANGE);
if (rc)
return rc;
if (up)
req->flags = cpu_to_le32(FUNC_DRV_IF_CHANGE_REQ_FLAGS_UP);
return bnge_hwrm_req_send(bd, req);
}
static int bnge_open_core(struct bnge_net *bn)
{
struct bnge_dev *bd = bn->bd;
@ -2871,16 +2890,22 @@ static int bnge_open_core(struct bnge_net *bn)
netif_carrier_off(bn->netdev);
rc = bnge_hwrm_if_change(bd, true);
if (rc) {
netdev_err(bn->netdev, "bnge_hwrm_if_change err: %d\n", rc);
return rc;
}
rc = bnge_reserve_rings(bd);
if (rc) {
netdev_err(bn->netdev, "bnge_reserve_rings err: %d\n", rc);
return rc;
goto err_if_change;
}
rc = bnge_alloc_core(bn);
if (rc) {
netdev_err(bn->netdev, "bnge_alloc_core err: %d\n", rc);
return rc;
goto err_if_change;
}
bnge_init_napi(bn);
@ -2927,6 +2952,8 @@ static int bnge_open_core(struct bnge_net *bn)
err_del_napi:
bnge_del_napi(bn);
bnge_free_core(bn);
err_if_change:
bnge_hwrm_if_change(bd, false);
return rc;
}
@ -3157,6 +3184,7 @@ static int bnge_close(struct net_device *dev)
bnge_close_core(bn);
bnge_hwrm_shutdown_link(bn->bd);
bnge_hwrm_if_change(bn->bd, false);
bn->sp_event = 0;
return 0;