diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 53 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 |
2 files changed, 52 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 165994047f81..56bd09758e22 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -3638,7 +3638,9 @@ int bnxt_hwrm_func_rgtr_async_events(struct bnxt *bp, unsigned long *bmap, static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp) { + struct hwrm_func_drv_rgtr_output *resp = bp->hwrm_cmd_resp_addr; struct hwrm_func_drv_rgtr_input req = {0}; + int rc; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_RGTR, -1, -1); @@ -3676,7 +3678,15 @@ static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp) cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_VF_REQ_FWD); } - return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + mutex_lock(&bp->hwrm_cmd_lock); + rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (rc) + rc = -EIO; + else if (resp->flags & + cpu_to_le32(FUNC_DRV_RGTR_RESP_FLAGS_IF_CHANGE_SUPPORTED)) + bp->fw_cap |= BNXT_FW_CAP_IF_CHANGE; + mutex_unlock(&bp->hwrm_cmd_lock); + return rc; } static int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp) @@ -6637,6 +6647,39 @@ static int bnxt_hwrm_shutdown_link(struct bnxt *bp) return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } +static int bnxt_hwrm_if_change(struct bnxt *bp, bool up) +{ + struct hwrm_func_drv_if_change_output *resp = bp->hwrm_cmd_resp_addr; + struct hwrm_func_drv_if_change_input req = {0}; + bool resc_reinit = false; + int rc; + + if (!(bp->fw_cap & BNXT_FW_CAP_IF_CHANGE)) + return 0; + + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_IF_CHANGE, -1, -1); + if (up) + req.flags = cpu_to_le32(FUNC_DRV_IF_CHANGE_REQ_FLAGS_UP); + mutex_lock(&bp->hwrm_cmd_lock); + rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); + if (!rc && (resp->flags & + cpu_to_le32(FUNC_DRV_IF_CHANGE_RESP_FLAGS_RESC_CHANGE))) + resc_reinit = true; + mutex_unlock(&bp->hwrm_cmd_lock); + + if (up && resc_reinit && BNXT_NEW_RM(bp)) { + struct bnxt_hw_resc *hw_resc = &bp->hw_resc; + + rc = bnxt_hwrm_func_resc_qcaps(bp, true); + hw_resc->resv_cp_rings = 0; + hw_resc->resv_tx_rings = 0; + hw_resc->resv_rx_rings = 0; + hw_resc->resv_hw_ring_grps = 0; + hw_resc->resv_vnics = 0; + } + return rc; +} + static int bnxt_hwrm_port_led_qcaps(struct bnxt *bp) { struct hwrm_port_led_qcaps_output *resp = bp->hwrm_cmd_resp_addr; @@ -6991,8 +7034,13 @@ void bnxt_half_close_nic(struct bnxt *bp) static int bnxt_open(struct net_device *dev) { struct bnxt *bp = netdev_priv(dev); + int rc; - return __bnxt_open_nic(bp, true, true); + bnxt_hwrm_if_change(bp, true); + rc = __bnxt_open_nic(bp, true, true); + if (rc) + bnxt_hwrm_if_change(bp, false); + return rc; } static bool bnxt_drv_busy(struct bnxt *bp) @@ -7056,6 +7104,7 @@ static int bnxt_close(struct net_device *dev) bnxt_close_nic(bp, true, true); bnxt_hwrm_shutdown_link(bp); + bnxt_hwrm_if_change(bp, false); return 0; } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index ded2affd9ee8..6c40b25716d3 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -1290,6 +1290,7 @@ struct bnxt { #define BNXT_FW_CAP_LLDP_AGENT 0x00000002 #define BNXT_FW_CAP_DCBX_AGENT 0x00000004 #define BNXT_FW_CAP_NEW_RM 0x00000008 + #define BNXT_FW_CAP_IF_CHANGE 0x00000010 #define BNXT_NEW_RM(bp) ((bp)->fw_cap & BNXT_FW_CAP_NEW_RM) u32 hwrm_spec_code; |