summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/intel/ice/ice.h2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_dcb_nl.c6
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool.c34
-rw-r--r--drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c35
4 files changed, 64 insertions, 13 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index dae8280ce17c..357706444dd5 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -454,9 +454,7 @@ struct ice_pf {
struct ice_hw_port_stats stats_prev;
struct ice_hw hw;
u8 stat_prev_loaded:1; /* has previous stats been loaded */
-#ifdef CONFIG_DCB
u16 dcbx_cap;
-#endif /* CONFIG_DCB */
u32 tx_timeout_count;
unsigned long tx_timeout_last_recovery;
u32 tx_timeout_recovery_level;
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
index fcfefad00d1c..468a63f7eff9 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_nl.c
@@ -134,7 +134,7 @@ ice_dcbnl_getnumtcs(struct net_device *dev, int __always_unused tcid, u8 *num)
if (!test_bit(ICE_FLAG_DCB_CAPABLE, pf->flags))
return -EINVAL;
- *num = IEEE_8021QAZ_MAX_TCS;
+ *num = pf->hw.func_caps.common_cap.maxtc;
return 0;
}
@@ -159,6 +159,10 @@ static u8 ice_dcbnl_setdcbx(struct net_device *netdev, u8 mode)
struct ice_pf *pf = ice_netdev_to_pf(netdev);
struct ice_qos_cfg *qos_cfg;
+ /* if FW LLDP agent is running, DCBNL not allowed to change mode */
+ if (test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags))
+ return ICE_DCB_NO_HW_CHG;
+
/* No support for LLD_MANAGED modes or CEE+IEEE */
if ((mode & DCB_CAP_DCBX_LLD_MANAGED) ||
((mode & DCB_CAP_DCBX_VER_IEEE) && (mode & DCB_CAP_DCBX_VER_CEE)) ||
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 5636c9b23896..2dcfa685b763 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -8,6 +8,7 @@
#include "ice_fltr.h"
#include "ice_lib.h"
#include "ice_dcb_lib.h"
+#include <net/dcbnl.h>
struct ice_stats {
char stat_string[ETH_GSTRING_LEN];
@@ -1238,6 +1239,9 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
status = ice_init_pf_dcb(pf, true);
if (status)
dev_warn(dev, "Fail to init DCB\n");
+
+ pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
+ pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
} else {
enum ice_status status;
bool dcbx_agent_status;
@@ -1280,6 +1284,9 @@ static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
if (status)
dev_dbg(dev, "Fail to enable MIB change events\n");
+ pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
+ pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
+
ice_nway_reset(netdev);
}
}
@@ -3322,6 +3329,18 @@ ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
}
/**
+ * ice_get_valid_rss_size - return valid number of RSS queues
+ * @hw: pointer to the HW structure
+ * @new_size: requested RSS queues
+ */
+static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
+{
+ struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
+
+ return min_t(int, new_size, BIT(caps->rss_table_entry_width));
+}
+
+/**
* ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
* @vsi: VSI to reconfigure RSS LUT on
* @req_rss_size: requested range of queue numbers for hashing
@@ -3348,14 +3367,10 @@ static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
return -ENOMEM;
/* set RSS LUT parameters */
- if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
+ if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
vsi->rss_size = 1;
- } else {
- struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
-
- vsi->rss_size = min_t(int, req_rss_size,
- BIT(caps->rss_table_entry_width));
- }
+ else
+ vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
/* create/set RSS LUT */
ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
@@ -3434,9 +3449,12 @@ static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
ice_vsi_recfg_qs(vsi, new_rx, new_tx);
- if (new_rx && !netif_is_rxfh_configured(dev))
+ if (!netif_is_rxfh_configured(dev))
return ice_vsi_set_dflt_rss_lut(vsi, new_rx);
+ /* Update rss_size due to change in Rx queues */
+ vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
+
return 0;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index bf5fd812ea0e..1f38a8d0c525 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -1919,6 +1919,29 @@ static int ice_vc_get_ver_msg(struct ice_vf *vf, u8 *msg)
}
/**
+ * ice_vc_get_max_frame_size - get max frame size allowed for VF
+ * @vf: VF used to determine max frame size
+ *
+ * Max frame size is determined based on the current port's max frame size and
+ * whether a port VLAN is configured on this VF. The VF is not aware whether
+ * it's in a port VLAN so the PF needs to account for this in max frame size
+ * checks and sending the max frame size to the VF.
+ */
+static u16 ice_vc_get_max_frame_size(struct ice_vf *vf)
+{
+ struct ice_vsi *vsi = vf->pf->vsi[vf->lan_vsi_idx];
+ struct ice_port_info *pi = vsi->port_info;
+ u16 max_frame_size;
+
+ max_frame_size = pi->phy.link_info.max_frame_size;
+
+ if (vf->port_vlan_info)
+ max_frame_size -= VLAN_HLEN;
+
+ return max_frame_size;
+}
+
+/**
* ice_vc_get_vf_res_msg
* @vf: pointer to the VF info
* @msg: pointer to the msg buffer
@@ -2000,6 +2023,7 @@ static int ice_vc_get_vf_res_msg(struct ice_vf *vf, u8 *msg)
vfres->max_vectors = pf->num_msix_per_vf;
vfres->rss_key_size = ICE_VSIQF_HKEY_ARRAY_SIZE;
vfres->rss_lut_size = ICE_VSIQF_HLUT_ARRAY_SIZE;
+ vfres->max_mtu = ice_vc_get_max_frame_size(vf);
vfres->vsi_res[0].vsi_id = vf->lan_vsi_num;
vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;
@@ -2420,7 +2444,7 @@ static int ice_vc_cfg_promiscuous_mode_msg(struct ice_vf *vf, u8 *msg)
}
if (!test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags)) {
- bool set_dflt_vsi = !!(info->flags & FLAG_VF_UNICAST_PROMISC);
+ bool set_dflt_vsi = alluni || allmulti;
if (set_dflt_vsi && !ice_is_dflt_vsi_in_use(pf->first_sw))
/* only attempt to set the default forwarding VSI if
@@ -2998,6 +3022,8 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
/* copy Rx queue info from VF into VSI */
if (qpi->rxq.ring_len > 0) {
+ u16 max_frame_size = ice_vc_get_max_frame_size(vf);
+
num_rxq++;
vsi->rx_rings[i]->dma = qpi->rxq.dma_ring_addr;
vsi->rx_rings[i]->count = qpi->rxq.ring_len;
@@ -3010,7 +3036,7 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
}
vsi->rx_buf_len = qpi->rxq.databuffer_size;
vsi->rx_rings[i]->rx_buf_len = vsi->rx_buf_len;
- if (qpi->rxq.max_pkt_size >= (16 * 1024) ||
+ if (qpi->rxq.max_pkt_size > max_frame_size ||
qpi->rxq.max_pkt_size < 64) {
v_ret = VIRTCHNL_STATUS_ERR_PARAM;
goto error_param;
@@ -3018,6 +3044,11 @@ static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg)
}
vsi->max_frame = qpi->rxq.max_pkt_size;
+ /* add space for the port VLAN since the VF driver is not
+ * expected to account for it in the MTU calculation
+ */
+ if (vf->port_vlan_info)
+ vsi->max_frame += VLAN_HLEN;
}
/* VF can request to configure less than allocated queues or default
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-01-22 10:28:43 +0000