summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/meta
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ethernet/meta')
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c3
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_fw_log.c3
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_netdev.c20
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_pci.c19
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_rpc.c5
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_txrx.c25
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_txrx.h2
7 files changed, 52 insertions, 25 deletions
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
index 11745a2d8a44..401c2196b9ff 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
@@ -1145,6 +1145,9 @@ ipv6_flow:
return -EINVAL;
}
+ dest |= FIELD_PREP(FBNIC_RPC_ACT_TBL0_DMA_HINT,
+ FBNIC_RCD_HDR_AL_DMA_HINT_L4);
+
/* Write action table values */
act_tcam->dest = dest;
act_tcam->rss_en_mask = fbnic_flow_hash_2_rss_en_mask(fbn, hash_idx);
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_fw_log.c b/drivers/net/ethernet/meta/fbnic/fbnic_fw_log.c
index 85a883dba385..d8a9a7d7c237 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_fw_log.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_fw_log.c
@@ -51,8 +51,6 @@ int fbnic_fw_log_init(struct fbnic_dev *fbd)
log->data_start = data;
log->data_end = data + FBNIC_FW_LOG_SIZE;
- fbnic_fw_log_enable(fbd, true);
-
return 0;
}
@@ -63,7 +61,6 @@ void fbnic_fw_log_free(struct fbnic_dev *fbd)
if (!fbnic_fw_log_ready(fbd))
return;
- fbnic_fw_log_disable(fbd);
INIT_LIST_HEAD(&log->entries);
log->size = 0;
vfree(log->data_start);
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
index 81c9d5c9a4b2..b4b396ca9bce 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
@@ -262,6 +262,23 @@ static int fbnic_set_mac(struct net_device *netdev, void *p)
return 0;
}
+static int fbnic_change_mtu(struct net_device *dev, int new_mtu)
+{
+ struct fbnic_net *fbn = netdev_priv(dev);
+
+ if (fbnic_check_split_frames(fbn->xdp_prog, new_mtu, fbn->hds_thresh)) {
+ dev_err(&dev->dev,
+ "MTU %d is larger than HDS threshold %d in XDP mode\n",
+ new_mtu, fbn->hds_thresh);
+
+ return -EINVAL;
+ }
+
+ WRITE_ONCE(dev->mtu, new_mtu);
+
+ return 0;
+}
+
void fbnic_clear_rx_mode(struct fbnic_dev *fbd)
{
struct net_device *netdev = fbd->netdev;
@@ -533,6 +550,7 @@ static const struct net_device_ops fbnic_netdev_ops = {
.ndo_start_xmit = fbnic_xmit_frame,
.ndo_features_check = fbnic_features_check,
.ndo_set_mac_address = fbnic_set_mac,
+ .ndo_change_mtu = fbnic_change_mtu,
.ndo_set_rx_mode = fbnic_set_rx_mode,
.ndo_get_stats64 = fbnic_get_stats64,
.ndo_bpf = fbnic_bpf,
@@ -787,6 +805,8 @@ struct net_device *fbnic_netdev_alloc(struct fbnic_dev *fbd)
netdev->hw_enc_features |= netdev->features;
netdev->features |= NETIF_F_NTUPLE;
+ netdev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_RX_SG;
+
netdev->min_mtu = IPV6_MIN_MTU;
netdev->max_mtu = FBNIC_MAX_JUMBO_FRAME_SIZE - ETH_HLEN;
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_pci.c b/drivers/net/ethernet/meta/fbnic/fbnic_pci.c
index 6f9389748a7d..3fa9d1910daa 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_pci.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_pci.c
@@ -311,11 +311,17 @@ static int fbnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto free_irqs;
}
+ err = fbnic_fw_log_init(fbd);
+ if (err)
+ dev_warn(fbd->dev,
+ "Unable to initialize firmware log buffer: %d\n",
+ err);
+
err = fbnic_fw_request_mbx(fbd);
if (err) {
dev_err(&pdev->dev,
"Firmware mailbox initialization failure\n");
- goto free_irqs;
+ goto free_fw_log;
}
/* Send the request to enable the FW logging to host. Note if this
@@ -323,11 +329,7 @@ static int fbnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
* possible the FW is just too old to support the logging and needs
* to be updated.
*/
- err = fbnic_fw_log_init(fbd);
- if (err)
- dev_warn(fbd->dev,
- "Unable to initialize firmware log buffer: %d\n",
- err);
+ fbnic_fw_log_enable(fbd, true);
fbnic_devlink_register(fbd);
fbnic_devlink_otp_check(fbd, "error detected during probe");
@@ -374,6 +376,8 @@ init_failure_mode:
* firmware updates for fixes.
*/
return 0;
+free_fw_log:
+ fbnic_fw_log_free(fbd);
free_irqs:
fbnic_free_irqs(fbd);
err_destroy_health:
@@ -408,8 +412,9 @@ static void fbnic_remove(struct pci_dev *pdev)
fbnic_hwmon_unregister(fbd);
fbnic_dbg_fbd_exit(fbd);
fbnic_devlink_unregister(fbd);
- fbnic_fw_log_free(fbd);
+ fbnic_fw_log_disable(fbd);
fbnic_fw_free_mbx(fbd);
+ fbnic_fw_log_free(fbd);
fbnic_free_irqs(fbd);
fbnic_devlink_health_destroy(fbd);
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_rpc.c b/drivers/net/ethernet/meta/fbnic/fbnic_rpc.c
index 7f31e890031c..42a186db43ea 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_rpc.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_rpc.c
@@ -338,9 +338,8 @@ void fbnic_rss_reinit(struct fbnic_dev *fbd, struct fbnic_net *fbn)
else if (tstamp_mask & (1u << flow_type))
dest |= FBNIC_RPC_ACT_TBL0_TS_ENA;
- if (act1_value[flow_type] & FBNIC_RPC_TCAM_ACT1_L4_VALID)
- dest |= FIELD_PREP(FBNIC_RPC_ACT_TBL0_DMA_HINT,
- FBNIC_RCD_HDR_AL_DMA_HINT_L4);
+ dest |= FIELD_PREP(FBNIC_RPC_ACT_TBL0_DMA_HINT,
+ FBNIC_RCD_HDR_AL_DMA_HINT_L4);
rss_en_mask = fbnic_flow_hash_2_rss_en_mask(fbn, flow_type);
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
index e29959241ff3..4aaa928bf8ab 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.c
@@ -2591,7 +2591,8 @@ write_ctl:
}
static void fbnic_config_drop_mode_rcq(struct fbnic_napi_vector *nv,
- struct fbnic_ring *rcq, bool tx_pause)
+ struct fbnic_ring *rcq, bool tx_pause,
+ bool hdr_split)
{
struct fbnic_net *fbn = netdev_priv(nv->napi.dev);
u32 drop_mode, rcq_ctl;
@@ -2604,22 +2605,26 @@ static void fbnic_config_drop_mode_rcq(struct fbnic_napi_vector *nv,
/* Specify packet layout */
rcq_ctl = FIELD_PREP(FBNIC_QUEUE_RDE_CTL0_DROP_MODE_MASK, drop_mode) |
FIELD_PREP(FBNIC_QUEUE_RDE_CTL0_MIN_HROOM_MASK, FBNIC_RX_HROOM) |
- FIELD_PREP(FBNIC_QUEUE_RDE_CTL0_MIN_TROOM_MASK, FBNIC_RX_TROOM);
+ FIELD_PREP(FBNIC_QUEUE_RDE_CTL0_MIN_TROOM_MASK, FBNIC_RX_TROOM) |
+ FIELD_PREP(FBNIC_QUEUE_RDE_CTL0_EN_HDR_SPLIT, hdr_split);
fbnic_ring_wr32(rcq, FBNIC_QUEUE_RDE_CTL0, rcq_ctl);
}
-void fbnic_config_drop_mode(struct fbnic_net *fbn, bool tx_pause)
+void fbnic_config_drop_mode(struct fbnic_net *fbn, bool txp)
{
+ bool hds;
int i, t;
+ hds = fbn->hds_thresh < FBNIC_HDR_BYTES_MIN;
+
for (i = 0; i < fbn->num_napi; i++) {
struct fbnic_napi_vector *nv = fbn->napi[i];
for (t = 0; t < nv->rxt_count; t++) {
struct fbnic_q_triad *qt = &nv->qt[nv->txt_count + t];
- fbnic_config_drop_mode_rcq(nv, &qt->cmpl, tx_pause);
+ fbnic_config_drop_mode_rcq(nv, &qt->cmpl, txp, hds);
}
}
}
@@ -2670,20 +2675,18 @@ static void fbnic_enable_rcq(struct fbnic_napi_vector *nv,
{
struct fbnic_net *fbn = netdev_priv(nv->napi.dev);
u32 log_size = fls(rcq->size_mask);
- u32 hds_thresh = fbn->hds_thresh;
u32 rcq_ctl = 0;
-
- fbnic_config_drop_mode_rcq(nv, rcq, fbn->tx_pause);
+ bool hdr_split;
+ u32 hds_thresh;
/* Force lower bound on MAX_HEADER_BYTES. Below this, all frames should
* be split at L4. It would also result in the frames being split at
* L2/L3 depending on the frame size.
*/
- if (fbn->hds_thresh < FBNIC_HDR_BYTES_MIN) {
- rcq_ctl = FBNIC_QUEUE_RDE_CTL0_EN_HDR_SPLIT;
- hds_thresh = FBNIC_HDR_BYTES_MIN;
- }
+ hdr_split = fbn->hds_thresh < FBNIC_HDR_BYTES_MIN;
+ fbnic_config_drop_mode_rcq(nv, rcq, fbn->tx_pause, hdr_split);
+ hds_thresh = max(fbn->hds_thresh, FBNIC_HDR_BYTES_MIN);
rcq_ctl |= FIELD_PREP(FBNIC_QUEUE_RDE_CTL1_PADLEN_MASK, FBNIC_RX_PAD) |
FIELD_PREP(FBNIC_QUEUE_RDE_CTL1_MAX_HDR_MASK, hds_thresh) |
FIELD_PREP(FBNIC_QUEUE_RDE_CTL1_PAYLD_OFF_MASK,
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h
index b9560103ab86..980965274079 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_txrx.h
@@ -66,7 +66,7 @@ struct fbnic_net;
(4096 - FBNIC_RX_HROOM - FBNIC_RX_TROOM - FBNIC_RX_PAD)
#define FBNIC_HDS_THRESH_DEFAULT \
(1536 - FBNIC_RX_PAD)
-#define FBNIC_HDR_BYTES_MIN 128
+#define FBNIC_HDR_BYTES_MIN 256
struct fbnic_pkt_buff {
struct xdp_buff buff;
generated by cgit v1.2.3 (git 2.25.1) at 2026-08-05 15:48:58 +0000