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path: root/drivers/net/ethernet/freescale/enetc/enetc.h
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Diffstat (limited to 'drivers/net/ethernet/freescale/enetc/enetc.h')
-rw-r--r--drivers/net/ethernet/freescale/enetc/enetc.h136
1 files changed, 115 insertions, 21 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.h b/drivers/net/ethernet/freescale/enetc/enetc.h
index 72fa03dbc2dd..dce27bd67a7d 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc.h
@@ -8,6 +8,7 @@
#include <linux/dma-mapping.h>
#include <linux/skbuff.h>
#include <linux/ethtool.h>
+#include <linux/fsl/ntmp.h>
#include <linux/if_vlan.h>
#include <linux/phylink.h>
#include <linux/dim.h>
@@ -22,6 +23,18 @@
#define ENETC_CBD_DATA_MEM_ALIGN 64
+#define ENETC_MADDR_HASH_TBL_SZ 64
+
+enum enetc_mac_addr_type {UC, MC, MADDR_TYPE};
+
+struct enetc_mac_filter {
+ union {
+ char mac_addr[ETH_ALEN];
+ DECLARE_BITMAP(mac_hash_table, ENETC_MADDR_HASH_TBL_SZ);
+ };
+ int mac_addr_cnt;
+};
+
struct enetc_tx_swbd {
union {
struct sk_buff *skb;
@@ -41,8 +54,29 @@ struct enetc_tx_swbd {
u8 qbv_en:1;
};
+struct enetc_skb_cb {
+ u8 flag;
+ bool udp;
+ u16 correction_off;
+ u16 origin_tstamp_off;
+};
+
+#define ENETC_SKB_CB(skb) ((struct enetc_skb_cb *)((skb)->cb))
+
+struct enetc_lso_t {
+ bool ipv6;
+ bool tcp;
+ u8 l3_hdr_len;
+ u8 hdr_len; /* LSO header length */
+ u8 l3_start;
+ u16 lso_seg_size;
+ int total_len; /* total data length, not include LSO header */
+};
+
+#define ENETC_LSO_MAX_DATA_LEN SZ_256K
+
#define ENETC_RX_MAXFRM_SIZE ENETC_MAC_MAXFRM_SIZE
-#define ENETC_RXB_TRUESIZE 2048 /* PAGE_SIZE >> 1 */
+#define ENETC_RXB_TRUESIZE (PAGE_SIZE >> 1)
#define ENETC_RXB_PAD NET_SKB_PAD /* add extra space if needed */
#define ENETC_RXB_DMA_SIZE \
(SKB_WITH_OVERHEAD(ENETC_RXB_TRUESIZE) - ENETC_RXB_PAD)
@@ -59,22 +93,29 @@ struct enetc_rx_swbd {
/* ENETC overhead: optional extension BD + 1 BD gap */
#define ENETC_TXBDS_NEEDED(val) ((val) + 2)
-/* max # of chained Tx BDs is 15, including head and extension BD */
+/* For LS1028A, max # of chained Tx BDs is 15, including head and
+ * extension BD.
+ */
#define ENETC_MAX_SKB_FRAGS 13
-#define ENETC_TXBDS_MAX_NEEDED ENETC_TXBDS_NEEDED(ENETC_MAX_SKB_FRAGS + 1)
+/* For ENETC v4 and later versions, max # of chained Tx BDs is 63,
+ * including head and extension BD, but the range of MAX_SKB_FRAGS
+ * is 17 ~ 45, so set ENETC4_MAX_SKB_FRAGS to MAX_SKB_FRAGS.
+ */
+#define ENETC4_MAX_SKB_FRAGS MAX_SKB_FRAGS
+#define ENETC_TXBDS_MAX_NEEDED(x) ENETC_TXBDS_NEEDED((x) + 1)
struct enetc_ring_stats {
- unsigned int packets;
- unsigned int bytes;
- unsigned int rx_alloc_errs;
- unsigned int xdp_drops;
- unsigned int xdp_tx;
- unsigned int xdp_tx_drops;
- unsigned int xdp_redirect;
- unsigned int xdp_redirect_failures;
- unsigned int recycles;
- unsigned int recycle_failures;
- unsigned int win_drop;
+ unsigned long packets;
+ unsigned long bytes;
+ unsigned long rx_alloc_errs;
+ unsigned long xdp_drops;
+ unsigned long xdp_tx;
+ unsigned long xdp_tx_drops;
+ unsigned long xdp_redirect;
+ unsigned long xdp_redirect_failures;
+ unsigned long recycles;
+ unsigned long recycle_failures;
+ unsigned long win_drop;
};
struct enetc_xdp_data {
@@ -185,7 +226,7 @@ static inline union enetc_rx_bd *enetc_rxbd(struct enetc_bdr *rx_ring, int i)
{
int hw_idx = i;
- if (IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK) && rx_ring->ext_en)
+ if (rx_ring->ext_en)
hw_idx = 2 * i;
return &(((union enetc_rx_bd *)rx_ring->bd_base)[hw_idx]);
@@ -199,7 +240,7 @@ static inline void enetc_rxbd_next(struct enetc_bdr *rx_ring,
new_rxbd++;
- if (IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK) && rx_ring->ext_en)
+ if (rx_ring->ext_en)
new_rxbd++;
if (unlikely(++new_index == rx_ring->bd_count)) {
@@ -231,9 +272,13 @@ enum enetc_errata {
#define ENETC_SI_F_PSFP BIT(0)
#define ENETC_SI_F_QBV BIT(1)
#define ENETC_SI_F_QBU BIT(2)
+#define ENETC_SI_F_LSO BIT(3)
+#define ENETC_SI_F_PPM BIT(4) /* pseudo MAC */
struct enetc_drvdata {
u32 pmac_offset; /* Only valid for PSI which supports 802.1Qbu */
+ u8 tx_csum:1;
+ u8 max_frags;
u64 sysclk_freq;
const struct ethtool_ops *eth_ops;
};
@@ -244,6 +289,19 @@ struct enetc_platform_info {
const struct enetc_drvdata *data;
};
+struct enetc_si;
+
+/*
+ * This structure defines the some common hooks for ENETC PSI and VSI.
+ * In addition, since VSI only uses the struct enetc_si as its private
+ * driver data, so this structure also define some hooks specifically
+ * for VSI. For VSI-specific hooks, the format is ‘vf_*()’.
+ */
+struct enetc_si_ops {
+ int (*get_rss_table)(struct enetc_si *si, u32 *table, int count);
+ int (*set_rss_table)(struct enetc_si *si, const u32 *table, int count);
+};
+
/* PCI IEP device data */
struct enetc_si {
struct pci_dev *pdev;
@@ -252,7 +310,10 @@ struct enetc_si {
struct net_device *ndev; /* back ref. */
- struct enetc_cbdr cbd_ring;
+ union {
+ struct enetc_cbdr cbd_ring; /* Only ENETC 1.0 */
+ struct ntmp_user ntmp_user; /* ENETC 4.1 and later */
+ };
int num_rx_rings; /* how many rings are available in the SI */
int num_tx_rings;
@@ -262,6 +323,11 @@ struct enetc_si {
u16 revision;
int hw_features;
const struct enetc_drvdata *drvdata;
+ const struct enetc_si_ops *ops;
+
+ struct workqueue_struct *workqueue;
+ struct work_struct rx_mode_task;
+ struct dentry *debugfs_root;
};
#define ENETC_SI_ALIGN 32
@@ -297,6 +363,11 @@ static inline int enetc_pf_to_port(struct pci_dev *pf_pdev)
}
}
+static inline bool enetc_is_pseudo_mac(struct enetc_si *si)
+{
+ return si->hw_features & ENETC_SI_F_PPM;
+}
+
#define ENETC_MAX_NUM_TXQS 8
#define ENETC_INT_NAME_MAX (IFNAMSIZ + 8)
@@ -341,6 +412,8 @@ enum enetc_active_offloads {
ENETC_F_QBV = BIT(9),
ENETC_F_QCI = BIT(10),
ENETC_F_QBU = BIT(11),
+ ENETC_F_TXCSUM = BIT(12),
+ ENETC_F_LSO = BIT(13),
};
enum enetc_flags_bit {
@@ -375,6 +448,7 @@ struct enetc_ndev_priv {
u16 msg_enable;
u8 preemptible_tcs;
+ u8 max_frags; /* The maximum number of BDs for fragments */
enum enetc_active_offloads active_offloads;
@@ -425,9 +499,6 @@ struct enetc_msg_cmd_set_primary_mac {
#define ENETC_CBDR_TIMEOUT 1000 /* usecs */
-/* PTP driver exports */
-extern int enetc_phc_index;
-
/* SI common */
u32 enetc_port_mac_rd(struct enetc_si *si, u32 reg);
void enetc_port_mac_wr(struct enetc_si *si, u32 reg, u32 val);
@@ -441,6 +512,9 @@ int enetc_alloc_si_resources(struct enetc_ndev_priv *priv);
void enetc_free_si_resources(struct enetc_ndev_priv *priv);
int enetc_configure_si(struct enetc_ndev_priv *priv);
int enetc_get_driver_data(struct enetc_si *si);
+void enetc_add_mac_addr_ht_filter(struct enetc_mac_filter *filter,
+ const unsigned char *addr);
+void enetc_reset_mac_addr_filter(struct enetc_mac_filter *filter);
int enetc_open(struct net_device *ndev);
int enetc_close(struct net_device *ndev);
@@ -456,10 +530,18 @@ int enetc_setup_bpf(struct net_device *ndev, struct netdev_bpf *bpf);
int enetc_xdp_xmit(struct net_device *ndev, int num_frames,
struct xdp_frame **frames, u32 flags);
+int enetc_hwtstamp_get(struct net_device *ndev,
+ struct kernel_hwtstamp_config *config);
+int enetc_hwtstamp_set(struct net_device *ndev,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack);
+
/* ethtool */
extern const struct ethtool_ops enetc_pf_ethtool_ops;
extern const struct ethtool_ops enetc4_pf_ethtool_ops;
extern const struct ethtool_ops enetc_vf_ethtool_ops;
+extern const struct ethtool_ops enetc4_ppm_ethtool_ops;
+
void enetc_set_ethtool_ops(struct net_device *ndev);
void enetc_mm_link_state_update(struct enetc_ndev_priv *priv, bool link);
void enetc_mm_commit_preemptible_tcs(struct enetc_ndev_priv *priv);
@@ -468,15 +550,19 @@ void enetc_mm_commit_preemptible_tcs(struct enetc_ndev_priv *priv);
int enetc_setup_cbdr(struct device *dev, struct enetc_hw *hw, int bd_count,
struct enetc_cbdr *cbdr);
void enetc_teardown_cbdr(struct enetc_cbdr *cbdr);
+int enetc4_setup_cbdr(struct enetc_si *si);
+void enetc4_teardown_cbdr(struct enetc_si *si);
int enetc_set_mac_flt_entry(struct enetc_si *si, int index,
char *mac_addr, int si_map);
int enetc_clear_mac_flt_entry(struct enetc_si *si, int index);
int enetc_set_fs_entry(struct enetc_si *si, struct enetc_cmd_rfse *rfse,
int index);
-void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes);
+void enetc_set_rss_key(struct enetc_si *si, const u8 *bytes);
int enetc_get_rss_table(struct enetc_si *si, u32 *table, int count);
int enetc_set_rss_table(struct enetc_si *si, const u32 *table, int count);
int enetc_send_cmd(struct enetc_si *si, struct enetc_cbd *cbd);
+int enetc4_get_rss_table(struct enetc_si *si, u32 *table, int count);
+int enetc4_set_rss_table(struct enetc_si *si, const u32 *table, int count);
static inline void *enetc_cbd_alloc_data_mem(struct enetc_si *si,
struct enetc_cbd *cbd,
@@ -517,6 +603,14 @@ static inline void enetc_cbd_free_data_mem(struct enetc_si *si, int size,
void enetc_reset_ptcmsdur(struct enetc_hw *hw);
void enetc_set_ptcmsdur(struct enetc_hw *hw, u32 *queue_max_sdu);
+static inline bool enetc_ptp_clock_is_enabled(struct enetc_si *si)
+{
+ if (is_enetc_rev1(si))
+ return IS_ENABLED(CONFIG_FSL_ENETC_PTP_CLOCK);
+
+ return IS_ENABLED(CONFIG_PTP_NETC_V4_TIMER);
+}
+
#ifdef CONFIG_FSL_ENETC_QOS
int enetc_qos_query_caps(struct net_device *ndev, void *type_data);
int enetc_setup_tc_taprio(struct net_device *ndev, void *type_data);
generated by cgit (git 2.34.1) at 2025-12-25 21:33:09 +0000