[PATCH net-next 04/11] bnxt_en: Enable NPAR (NIC Partitioning) Support.
From: Michael Chan <michael.chan@broadcom.com>
Date: 2016-06-13 06:25:55
Subsystem:
broadcom bnxt_en 50 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Michael Chan, Pavan Chebbi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Satish Baddipadige <redacted> NPAR type is read from bnxt_hwrm_func_qcfg. Do not allow changing link parameters if in NPAR mode sinc ethe port is shared among multiple partitions. The link parameters are set up by firmware. Signed-off-by: Satish Baddipadige <redacted> Signed-off-by: Michael Chan <michael.chan@broadcom.com> --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 13 +++++++++++-- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 3 +++ drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 6 +++--- 3 files changed, 17 insertions(+), 5 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 51f9e38..9d785e6 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c@@ -3850,6 +3850,7 @@ static int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp) static int bnxt_hwrm_func_qcfg(struct bnxt *bp) { struct hwrm_func_qcfg_input req = {0}; + struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr; int rc; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1);
@@ -3861,12 +3862,18 @@ static int bnxt_hwrm_func_qcfg(struct bnxt *bp) #ifdef CONFIG_BNXT_SRIOV if (BNXT_VF(bp)) { - struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr; struct bnxt_vf_info *vf = &bp->vf; vf->vlan = le16_to_cpu(resp->vlan) & VLAN_VID_MASK; } #endif + switch (resp->port_partition_type) { + case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_0: + case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_5: + case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR2_0: + bp->port_partition_type = resp->port_partition_type; + break; + } func_qcfg_exit: mutex_unlock(&bp->hwrm_cmd_lock);
@@ -4965,7 +4972,7 @@ static int bnxt_hwrm_shutdown_link(struct bnxt *bp) { struct hwrm_port_phy_cfg_input req = {0}; - if (BNXT_VF(bp)) + if (!BNXT_SINGLE_PF(bp)) return 0; if (pci_num_vf(bp->pdev))
@@ -6427,6 +6434,8 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto init_err; } + bnxt_hwrm_func_qcfg(bp); + bnxt_set_tpa_flags(bp); bnxt_set_ring_params(bp); if (BNXT_PF(bp))
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 538eb1c..ec18a07 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h@@ -907,6 +907,8 @@ struct bnxt { #define BNXT_PF(bp) (!((bp)->flags & BNXT_FLAG_VF)) #define BNXT_VF(bp) ((bp)->flags & BNXT_FLAG_VF) +#define BNXT_NPAR(bp) ((bp)->port_partition_type) +#define BNXT_SINGLE_PF(bp) (BNXT_PF(bp) && !BNXT_NPAR(bp)) struct bnxt_napi **bnapi;
@@ -993,6 +995,7 @@ struct bnxt { __le16 vxlan_fw_dst_port_id; u8 nge_port_cnt; __le16 nge_fw_dst_port_id; + u8 port_partition_type; u16 rx_coal_ticks; u16 rx_coal_ticks_irq;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
index a38cb04..89050ed 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c@@ -823,7 +823,7 @@ static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) u32 speed, fw_advertising = 0; bool set_pause = false; - if (BNXT_VF(bp)) + if (!BNXT_SINGLE_PF(bp)) return rc; if (cmd->autoneg == AUTONEG_ENABLE) {
@@ -911,7 +911,7 @@ static int bnxt_set_pauseparam(struct net_device *dev, struct bnxt *bp = netdev_priv(dev); struct bnxt_link_info *link_info = &bp->link_info; - if (BNXT_VF(bp)) + if (!BNXT_SINGLE_PF(bp)) return rc; if (epause->autoneg) {
@@ -1433,7 +1433,7 @@ static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata) _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0); int rc = 0; - if (BNXT_VF(bp)) + if (!BNXT_SINGLE_PF(bp)) return 0; if (!(bp->flags & BNXT_FLAG_EEE_CAP))
--
1.8.3.1