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bnxt_en: support hwrm_func_drv_unrgtr command

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During remove_one, the driver should issue hwrm_func_drv_unrgtr
command to inform firmware that this function has been unloaded.
This is to let firmware keep track of driver present/absent state
when driver is gracefully unloaded. A keep alive timer is needed
later to keep track of driver state during abnormal shutdown.

Signed-off-by: Jeffrey Huang <huangjw@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jeffrey Huang 2015-12-27 18:19:18 -05:00 committed by David S. Miller
parent f45688280e
commit be58a0da16
1 changed files with 9 additions and 0 deletions
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9
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -2710,6 +2710,14 @@ static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp)
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp)
{
struct hwrm_func_drv_unrgtr_input req = {0};
bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_UNRGTR, -1, -1);
return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
}
static int bnxt_hwrm_tunnel_dst_port_free(struct bnxt *bp, u8 tunnel_type)
{
u32 rc = 0;
@ -5549,6 +5557,7 @@ static void bnxt_remove_one(struct pci_dev *pdev)
cancel_work_sync(&bp->sp_task);
bp->sp_event = 0;
bnxt_hwrm_func_drv_unrgtr(bp);
bnxt_free_hwrm_resources(bp);
pci_iounmap(pdev, bp->bar2);
pci_iounmap(pdev, bp->bar1);