diff options
author | Vasundhara Volam <vasundhara-v.volam@broadcom.com> | 2019-08-29 23:55:01 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-08-30 14:02:19 -0700 |
commit | 2cd8696850450b750f278be06ee56eb51d84621c (patch) | |
tree | 345221366f35ee9c2680d81cda6ffb8801a9ed2b /drivers | |
parent | 657a33c8a0a2342e91259b28356838dc89216b19 (diff) |
bnxt_en: Retain user settings on a VF after RESET_NOTIFY event.
Retain the VF MAC address, default VLAN, TX rate control, trust settings
of VFs after firmware reset.
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c | 50 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.h | 2 |
3 files changed, 45 insertions, 9 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index cd20067fff05..ff911d66bd74 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -9211,7 +9211,7 @@ static int bnxt_open(struct net_device *dev) int n = pf->active_vfs; if (n) - bnxt_cfg_hw_sriov(bp, &n); + bnxt_cfg_hw_sriov(bp, &n, true); } bnxt_hwmon_open(bp); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index 4aacfc33a8cc..f6f3454d6059 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -470,10 +470,43 @@ static int bnxt_hwrm_func_buf_rgtr(struct bnxt *bp) return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); } +/* Caller holds bp->hwrm_cmd_lock mutex lock */ +static void __bnxt_set_vf_params(struct bnxt *bp, int vf_id) +{ + struct hwrm_func_cfg_input req = {0}; + struct bnxt_vf_info *vf; + + vf = &bp->pf.vf[vf_id]; + bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1); + req.fid = cpu_to_le16(vf->fw_fid); + req.flags = cpu_to_le32(vf->func_flags); + + if (is_valid_ether_addr(vf->mac_addr)) { + req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_MAC_ADDR); + memcpy(req.dflt_mac_addr, vf->mac_addr, ETH_ALEN); + } + if (vf->vlan) { + req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_DFLT_VLAN); + req.dflt_vlan = cpu_to_le16(vf->vlan); + } + if (vf->max_tx_rate) { + req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MAX_BW); + req.max_bw = cpu_to_le32(vf->max_tx_rate); +#ifdef HAVE_IFLA_TX_RATE + req.enables |= cpu_to_le32(FUNC_CFG_REQ_ENABLES_MIN_BW); + req.min_bw = cpu_to_le32(vf->min_tx_rate); +#endif + } + if (vf->flags & BNXT_VF_TRUST) + req.flags |= cpu_to_le32(FUNC_CFG_REQ_FLAGS_TRUSTED_VF_ENABLE); + + _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); +} + /* Only called by PF to reserve resources for VFs, returns actual number of * VFs configured, or < 0 on error. */ -static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs) +static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs, bool reset) { struct hwrm_func_vf_resource_cfg_input req = {0}; struct bnxt_hw_resc *hw_resc = &bp->hw_resc; @@ -545,6 +578,9 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs) mutex_lock(&bp->hwrm_cmd_lock); for (i = 0; i < num_vfs; i++) { + if (reset) + __bnxt_set_vf_params(bp, i); + req.vf_id = cpu_to_le16(pf->first_vf_id + i); rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT); @@ -659,15 +695,15 @@ static int bnxt_hwrm_func_cfg(struct bnxt *bp, int num_vfs) return rc; } -static int bnxt_func_cfg(struct bnxt *bp, int num_vfs) +static int bnxt_func_cfg(struct bnxt *bp, int num_vfs, bool reset) { if (BNXT_NEW_RM(bp)) - return bnxt_hwrm_func_vf_resc_cfg(bp, num_vfs); + return bnxt_hwrm_func_vf_resc_cfg(bp, num_vfs, reset); else return bnxt_hwrm_func_cfg(bp, num_vfs); } -int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs) +int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset) { int rc; @@ -677,7 +713,7 @@ int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs) return rc; /* Reserve resources for VFs */ - rc = bnxt_func_cfg(bp, *num_vfs); + rc = bnxt_func_cfg(bp, *num_vfs, reset); if (rc != *num_vfs) { if (rc <= 0) { netdev_warn(bp->dev, "Unable to reserve resources for SRIOV.\n"); @@ -758,7 +794,7 @@ static int bnxt_sriov_enable(struct bnxt *bp, int *num_vfs) if (rc) goto err_out1; - rc = bnxt_cfg_hw_sriov(bp, num_vfs); + rc = bnxt_cfg_hw_sriov(bp, num_vfs, false); if (rc) goto err_out2; @@ -1144,7 +1180,7 @@ mac_done: } #else -int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs) +int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset) { if (*num_vfs) return -EOPNOTSUPP; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.h index 0abf18e70fee..629641bf6fc5 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.h @@ -36,7 +36,7 @@ int bnxt_set_vf_link_state(struct net_device *, int, int); int bnxt_set_vf_spoofchk(struct net_device *, int, bool); int bnxt_set_vf_trust(struct net_device *dev, int vf_id, bool trust); int bnxt_sriov_configure(struct pci_dev *pdev, int num_vfs); -int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs); +int bnxt_cfg_hw_sriov(struct bnxt *bp, int *num_vfs, bool reset); void bnxt_sriov_disable(struct bnxt *); void bnxt_hwrm_exec_fwd_req(struct bnxt *); void bnxt_update_vf_mac(struct bnxt *); |