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Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h311
1 files changed, 286 insertions, 25 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index 4faf4d067ee7..d7713038386c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -1,7 +1,7 @@
/*
* This file is part of the Chelsio T4 Ethernet driver for Linux.
*
- * Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved.
+ * Copyright (c) 2003-2016 Chelsio Communications, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -32,14 +32,22 @@
* SOFTWARE.
*/
-#ifndef __CXGB4_OFLD_H
-#define __CXGB4_OFLD_H
+#ifndef __CXGB4_ULD_H
+#define __CXGB4_ULD_H
#include <linux/cache.h>
#include <linux/spinlock.h>
#include <linux/skbuff.h>
#include <linux/inetdevice.h>
#include <linux/atomic.h>
+#include <net/tls.h>
+#include "cxgb4.h"
+
+#define MAX_ULD_QSETS 16
+#define MAX_ULD_NPORTS 4
+
+/* ulp_mem_io + ulptx_idata + payload + padding */
+#define MAX_IMM_ULPTX_WR_LEN (32 + 8 + 256 + 8)
/* CPL message priority levels */
enum {
@@ -52,10 +60,10 @@ enum {
};
#define INIT_TP_WR(w, tid) do { \
- (w)->wr.wr_hi = htonl(FW_WR_OP(FW_TP_WR) | \
- FW_WR_IMMDLEN(sizeof(*w) - sizeof(w->wr))); \
- (w)->wr.wr_mid = htonl(FW_WR_LEN16(DIV_ROUND_UP(sizeof(*w), 16)) | \
- FW_WR_FLOWID(tid)); \
+ (w)->wr.wr_hi = htonl(FW_WR_OP_V(FW_TP_WR) | \
+ FW_WR_IMMDLEN_V(sizeof(*w) - sizeof(w->wr))); \
+ (w)->wr.wr_mid = htonl(FW_WR_LEN16_V(DIV_ROUND_UP(sizeof(*w), 16)) | \
+ FW_WR_FLOWID_V(tid)); \
(w)->wr.wr_lo = cpu_to_be64(0); \
} while (0)
@@ -65,14 +73,17 @@ enum {
} while (0)
#define INIT_ULPTX_WR(w, wrlen, atomic, tid) do { \
- (w)->wr.wr_hi = htonl(FW_WR_OP(FW_ULPTX_WR) | FW_WR_ATOMIC(atomic)); \
- (w)->wr.wr_mid = htonl(FW_WR_LEN16(DIV_ROUND_UP(wrlen, 16)) | \
- FW_WR_FLOWID(tid)); \
+ (w)->wr.wr_hi = htonl(FW_WR_OP_V(FW_ULPTX_WR) | \
+ FW_WR_ATOMIC_V(atomic)); \
+ (w)->wr.wr_mid = htonl(FW_WR_LEN16_V(DIV_ROUND_UP(wrlen, 16)) | \
+ FW_WR_FLOWID_V(tid)); \
(w)->wr.wr_lo = cpu_to_be64(0); \
} while (0)
/* Special asynchronous notification message */
#define CXGB4_MSG_AN ((void *)1)
+#define TX_ULD(uld)(((uld) != CXGB4_ULD_CRYPTO) ? CXGB4_TX_OFLD :\
+ CXGB4_TX_CRYPTO)
struct serv_entry {
void *data;
@@ -83,12 +94,17 @@ union aopen_entry {
union aopen_entry *next;
};
+struct eotid_entry {
+ void *data;
+};
+
/*
* Holds the size, base address, free list start, etc of the TID, server TID,
* and active-open TID tables. The tables themselves are allocated dynamically.
*/
struct tid_info {
void **tid_tab;
+ unsigned int tid_base;
unsigned int ntids;
struct serv_entry *stid_tab;
@@ -96,11 +112,20 @@ struct tid_info {
unsigned int nstids;
unsigned int stid_base;
+ unsigned int nhash;
+ unsigned int hash_base;
+
union aopen_entry *atid_tab;
unsigned int natids;
unsigned int atid_base;
+ struct filter_entry *hpftid_tab;
+ unsigned long *hpftid_bmap;
+ unsigned int nhpftids;
+ unsigned int hpftid_base;
+
struct filter_entry *ftid_tab;
+ unsigned long *ftid_bmap;
unsigned int nftids;
unsigned int ftid_base;
unsigned int aftid_base;
@@ -115,15 +140,40 @@ struct tid_info {
spinlock_t stid_lock;
unsigned int stids_in_use;
+ unsigned int v6_stids_in_use;
+ unsigned int sftids_in_use;
+
+ /* ETHOFLD range */
+ struct eotid_entry *eotid_tab;
+ unsigned long *eotid_bmap;
+ unsigned int eotid_base;
+ unsigned int neotids;
+ /* TIDs in the TCAM */
atomic_t tids_in_use;
+ /* TIDs in the HASH */
+ atomic_t hash_tids_in_use;
+ atomic_t conns_in_use;
+ /* ETHOFLD TIDs used for rate limiting */
+ atomic_t eotids_in_use;
+
+ /* lock for setting/clearing filter bitmap */
+ spinlock_t ftid_lock;
+
+ unsigned int tc_hash_tids_max_prio;
};
static inline void *lookup_tid(const struct tid_info *t, unsigned int tid)
{
+ tid -= t->tid_base;
return tid < t->ntids ? t->tid_tab[tid] : NULL;
}
+static inline bool tid_out_of_range(const struct tid_info *t, unsigned int tid)
+{
+ return ((tid - t->tid_base) >= t->ntids);
+}
+
static inline void *lookup_atid(const struct tid_info *t, unsigned int atid)
{
return atid < t->natids ? t->atid_tab[atid].data : NULL;
@@ -131,15 +181,64 @@ static inline void *lookup_atid(const struct tid_info *t, unsigned int atid)
static inline void *lookup_stid(const struct tid_info *t, unsigned int stid)
{
- stid -= t->stid_base;
+ /* Is it a server filter TID? */
+ if (t->nsftids && (stid >= t->sftid_base)) {
+ stid -= t->sftid_base;
+ stid += t->nstids;
+ } else {
+ stid -= t->stid_base;
+ }
+
return stid < (t->nstids + t->nsftids) ? t->stid_tab[stid].data : NULL;
}
static inline void cxgb4_insert_tid(struct tid_info *t, void *data,
- unsigned int tid)
+ unsigned int tid, unsigned short family)
+{
+ t->tid_tab[tid - t->tid_base] = data;
+ if (t->hash_base && (tid >= t->hash_base)) {
+ if (family == AF_INET6)
+ atomic_add(2, &t->hash_tids_in_use);
+ else
+ atomic_inc(&t->hash_tids_in_use);
+ } else {
+ if (family == AF_INET6)
+ atomic_add(2, &t->tids_in_use);
+ else
+ atomic_inc(&t->tids_in_use);
+ }
+ atomic_inc(&t->conns_in_use);
+}
+
+static inline struct eotid_entry *cxgb4_lookup_eotid(struct tid_info *t,
+ u32 eotid)
+{
+ return eotid < t->neotids ? &t->eotid_tab[eotid] : NULL;
+}
+
+static inline int cxgb4_get_free_eotid(struct tid_info *t)
+{
+ int eotid;
+
+ eotid = find_first_zero_bit(t->eotid_bmap, t->neotids);
+ if (eotid >= t->neotids)
+ eotid = -1;
+
+ return eotid;
+}
+
+static inline void cxgb4_alloc_eotid(struct tid_info *t, u32 eotid, void *data)
+{
+ set_bit(eotid, t->eotid_bmap);
+ t->eotid_tab[eotid].data = data;
+ atomic_inc(&t->eotids_in_use);
+}
+
+static inline void cxgb4_free_eotid(struct tid_info *t, u32 eotid)
{
- t->tid_tab[tid] = data;
- atomic_inc(&t->tids_in_use);
+ clear_bit(eotid, t->eotid_bmap);
+ t->eotid_tab[eotid].data = NULL;
+ atomic_dec(&t->eotids_in_use);
}
int cxgb4_alloc_atid(struct tid_info *t, void *data);
@@ -147,35 +246,92 @@ int cxgb4_alloc_stid(struct tid_info *t, int family, void *data);
int cxgb4_alloc_sftid(struct tid_info *t, int family, void *data);
void cxgb4_free_atid(struct tid_info *t, unsigned int atid);
void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family);
-void cxgb4_remove_tid(struct tid_info *t, unsigned int qid, unsigned int tid);
-
+void cxgb4_remove_tid(struct tid_info *t, unsigned int qid, unsigned int tid,
+ unsigned short family);
struct in6_addr;
int cxgb4_create_server(const struct net_device *dev, unsigned int stid,
__be32 sip, __be16 sport, __be16 vlan,
unsigned int queue);
+int cxgb4_create_server6(const struct net_device *dev, unsigned int stid,
+ const struct in6_addr *sip, __be16 sport,
+ unsigned int queue);
+int cxgb4_remove_server(const struct net_device *dev, unsigned int stid,
+ unsigned int queue, bool ipv6);
int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid,
__be32 sip, __be16 sport, __be16 vlan,
unsigned int queue,
unsigned char port, unsigned char mask);
int cxgb4_remove_server_filter(const struct net_device *dev, unsigned int stid,
unsigned int queue, bool ipv6);
+
+/* Filter operation context to allow callers of cxgb4_set_filter() and
+ * cxgb4_del_filter() to wait for an asynchronous completion.
+ */
+struct filter_ctx {
+ struct completion completion; /* completion rendezvous */
+ void *closure; /* caller's opaque information */
+ int result; /* result of operation */
+ u32 tid; /* to store tid */
+};
+
+struct chcr_ktls {
+ refcount_t ktls_refcount;
+};
+
+struct ch_filter_specification;
+
+int cxgb4_get_free_ftid(struct net_device *dev, u8 family, bool hash_en,
+ u32 tc_prio);
+int __cxgb4_set_filter(struct net_device *dev, int filter_id,
+ struct ch_filter_specification *fs,
+ struct filter_ctx *ctx);
+int __cxgb4_del_filter(struct net_device *dev, int filter_id,
+ struct ch_filter_specification *fs,
+ struct filter_ctx *ctx);
+int cxgb4_set_filter(struct net_device *dev, int filter_id,
+ struct ch_filter_specification *fs);
+int cxgb4_del_filter(struct net_device *dev, int filter_id,
+ struct ch_filter_specification *fs);
+int cxgb4_get_filter_counters(struct net_device *dev, unsigned int fidx,
+ u64 *hitcnt, u64 *bytecnt, bool hash);
+
static inline void set_wr_txq(struct sk_buff *skb, int prio, int queue)
{
skb_set_queue_mapping(skb, (queue << 1) | prio);
}
enum cxgb4_uld {
+ CXGB4_ULD_INIT,
CXGB4_ULD_RDMA,
CXGB4_ULD_ISCSI,
+ CXGB4_ULD_ISCSIT,
+ CXGB4_ULD_CRYPTO,
+ CXGB4_ULD_IPSEC,
+ CXGB4_ULD_TLS,
+ CXGB4_ULD_KTLS,
CXGB4_ULD_MAX
};
+enum cxgb4_tx_uld {
+ CXGB4_TX_OFLD,
+ CXGB4_TX_CRYPTO,
+ CXGB4_TX_MAX
+};
+
+enum cxgb4_txq_type {
+ CXGB4_TXQ_ETH,
+ CXGB4_TXQ_ULD,
+ CXGB4_TXQ_CTRL,
+ CXGB4_TXQ_MAX
+};
+
enum cxgb4_state {
CXGB4_STATE_UP,
CXGB4_STATE_START_RECOVERY,
CXGB4_STATE_DOWN,
- CXGB4_STATE_DETACH
+ CXGB4_STATE_DETACH,
+ CXGB4_STATE_FATAL_ERROR
};
enum cxgb4_control {
@@ -184,11 +340,13 @@ enum cxgb4_control {
CXGB4_CONTROL_DB_DROP,
};
+struct adapter;
struct pci_dev;
struct l2t_data;
struct net_device;
struct pkt_gl;
struct tp_tcp_stats;
+struct t4_lro_mgr;
struct cxgb4_range {
unsigned int start;
@@ -200,12 +358,61 @@ struct cxgb4_virt_res { /* virtualized HW resources */
struct cxgb4_range iscsi;
struct cxgb4_range stag;
struct cxgb4_range rq;
+ struct cxgb4_range srq;
struct cxgb4_range pbl;
struct cxgb4_range qp;
struct cxgb4_range cq;
struct cxgb4_range ocq;
+ struct cxgb4_range key;
+ unsigned int ncrypto_fc;
+ struct cxgb4_range ppod_edram;
+};
+
+#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
+struct ch_ktls_port_stats_debug {
+ atomic64_t ktls_tx_connection_open;
+ atomic64_t ktls_tx_connection_fail;
+ atomic64_t ktls_tx_connection_close;
+ atomic64_t ktls_tx_encrypted_packets;
+ atomic64_t ktls_tx_encrypted_bytes;
+ atomic64_t ktls_tx_ctx;
+ atomic64_t ktls_tx_ooo;
+ atomic64_t ktls_tx_skip_no_sync_data;
+ atomic64_t ktls_tx_drop_no_sync_data;
+ atomic64_t ktls_tx_drop_bypass_req;
};
+struct ch_ktls_stats_debug {
+ struct ch_ktls_port_stats_debug ktls_port[MAX_ULD_NPORTS];
+ atomic64_t ktls_tx_send_records;
+ atomic64_t ktls_tx_end_pkts;
+ atomic64_t ktls_tx_start_pkts;
+ atomic64_t ktls_tx_middle_pkts;
+ atomic64_t ktls_tx_retransmit_pkts;
+ atomic64_t ktls_tx_complete_pkts;
+ atomic64_t ktls_tx_trimmed_pkts;
+ atomic64_t ktls_tx_fallback;
+};
+#endif
+
+struct chcr_stats_debug {
+ atomic_t cipher_rqst;
+ atomic_t digest_rqst;
+ atomic_t aead_rqst;
+ atomic_t complete;
+ atomic_t error;
+ atomic_t fallback;
+ atomic_t tls_pdu_tx;
+ atomic_t tls_pdu_rx;
+ atomic_t tls_key;
+};
+
+#if IS_ENABLED(CONFIG_CHELSIO_IPSEC_INLINE)
+struct ch_ipsec_stats_debug {
+ atomic_t ipsec_cnt;
+};
+#endif
+
#define OCQ_WIN_OFFSET(pdev, vres) \
(pci_resource_len((pdev), 2) - roundup_pow_of_two((vres)->ocq.size))
@@ -220,56 +427,110 @@ struct cxgb4_lld_info {
const struct cxgb4_virt_res *vr; /* assorted HW resources */
const unsigned short *mtus; /* MTU table */
const unsigned short *rxq_ids; /* the ULD's Rx queue ids */
+ const unsigned short *ciq_ids; /* the ULD's concentrator IQ ids */
unsigned short nrxq; /* # of Rx queues */
unsigned short ntxq; /* # of Tx queues */
+ unsigned short nciq; /* # of concentrator IQ */
unsigned char nchan:4; /* # of channels */
unsigned char nports:4; /* # of ports */
unsigned char wr_cred; /* WR 16-byte credits */
unsigned char adapter_type; /* type of adapter */
unsigned char fw_api_ver; /* FW API version */
+ unsigned char crypto; /* crypto support */
unsigned int fw_vers; /* FW version */
unsigned int iscsi_iolen; /* iSCSI max I/O length */
+ unsigned int cclk_ps; /* Core clock period in psec */
unsigned short udb_density; /* # of user DB/page */
unsigned short ucq_density; /* # of user CQs/page */
+ unsigned int sge_host_page_size; /* SGE host page size */
unsigned short filt_mode; /* filter optional components */
unsigned short tx_modq[NCHAN]; /* maps each tx channel to a */
/* scheduler queue */
void __iomem *gts_reg; /* address of GTS register */
void __iomem *db_reg; /* address of kernel doorbell */
int dbfifo_int_thresh; /* doorbell fifo int threshold */
+ unsigned int sge_ingpadboundary; /* SGE ingress padding boundary */
+ unsigned int sge_egrstatuspagesize; /* SGE egress status page size */
unsigned int sge_pktshift; /* Padding between CPL and */
/* packet data */
+ unsigned int pf; /* Physical Function we're using */
bool enable_fw_ofld_conn; /* Enable connection through fw */
/* WR */
+ unsigned int max_ordird_qp; /* Max ORD/IRD depth per RDMA QP */
+ unsigned int max_ird_adapter; /* Max IRD memory per adapter */
+ bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */
+ unsigned int iscsi_tagmask; /* iscsi ddp tag mask */
+ unsigned int iscsi_pgsz_order; /* iscsi ddp page size orders */
+ unsigned int iscsi_llimit; /* chip's iscsi region llimit */
+ unsigned int ulp_crypto; /* crypto lookaside support */
+ void **iscsi_ppm; /* iscsi page pod manager */
+ int nodeid; /* device numa node id */
+ bool fr_nsmr_tpte_wr_support; /* FW supports FR_NSMR_TPTE_WR */
+ bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */
+ bool write_cmpl_support; /* FW supports WRITE_CMPL WR */
};
struct cxgb4_uld_info {
- const char *name;
+ char name[IFNAMSIZ];
+ void *handle;
+ unsigned int nrxq;
+ unsigned int rxq_size;
+ unsigned int ntxq;
+ bool ciq;
+ bool lro;
void *(*add)(const struct cxgb4_lld_info *p);
int (*rx_handler)(void *handle, const __be64 *rsp,
const struct pkt_gl *gl);
int (*state_change)(void *handle, enum cxgb4_state new_state);
int (*control)(void *handle, enum cxgb4_control control, ...);
+ int (*lro_rx_handler)(void *handle, const __be64 *rsp,
+ const struct pkt_gl *gl,
+ struct t4_lro_mgr *lro_mgr,
+ struct napi_struct *napi);
+ void (*lro_flush)(struct t4_lro_mgr *);
+ int (*tx_handler)(struct sk_buff *skb, struct net_device *dev);
+#if IS_ENABLED(CONFIG_CHELSIO_TLS_DEVICE)
+ const struct tlsdev_ops *tlsdev_ops;
+#endif
+#if IS_ENABLED(CONFIG_XFRM_OFFLOAD)
+ const struct xfrmdev_ops *xfrmdev_ops;
+#endif
};
-int cxgb4_register_uld(enum cxgb4_uld type, const struct cxgb4_uld_info *p);
+void cxgb4_uld_enable(struct adapter *adap);
+void cxgb4_register_uld(enum cxgb4_uld type, const struct cxgb4_uld_info *p);
int cxgb4_unregister_uld(enum cxgb4_uld type);
int cxgb4_ofld_send(struct net_device *dev, struct sk_buff *skb);
+int cxgb4_immdata_send(struct net_device *dev, unsigned int idx,
+ const void *src, unsigned int len);
+int cxgb4_crypto_send(struct net_device *dev, struct sk_buff *skb);
unsigned int cxgb4_dbfifo_count(const struct net_device *dev, int lpfifo);
unsigned int cxgb4_port_chan(const struct net_device *dev);
+unsigned int cxgb4_port_e2cchan(const struct net_device *dev);
unsigned int cxgb4_port_viid(const struct net_device *dev);
unsigned int cxgb4_port_idx(const struct net_device *dev);
unsigned int cxgb4_best_mtu(const unsigned short *mtus, unsigned short mtu,
unsigned int *idx);
+unsigned int cxgb4_best_aligned_mtu(const unsigned short *mtus,
+ unsigned short header_size,
+ unsigned short data_size_max,
+ unsigned short data_size_align,
+ unsigned int *mtu_idxp);
void cxgb4_get_tcp_stats(struct pci_dev *pdev, struct tp_tcp_stats *v4,
struct tp_tcp_stats *v6);
-void cxgb4_iscsi_init(struct net_device *dev, unsigned int tag_mask,
- const unsigned int *pgsz_order);
struct sk_buff *cxgb4_pktgl_to_skb(const struct pkt_gl *gl,
unsigned int skb_len, unsigned int pull_len);
int cxgb4_sync_txq_pidx(struct net_device *dev, u16 qid, u16 pidx, u16 size);
int cxgb4_flush_eq_cache(struct net_device *dev);
-void cxgb4_disable_db_coalescing(struct net_device *dev);
-void cxgb4_enable_db_coalescing(struct net_device *dev);
-
-#endif /* !__CXGB4_OFLD_H */
+int cxgb4_read_tpte(struct net_device *dev, u32 stag, __be32 *tpte);
+u64 cxgb4_read_sge_timestamp(struct net_device *dev);
+
+enum cxgb4_bar2_qtype { CXGB4_BAR2_QTYPE_EGRESS, CXGB4_BAR2_QTYPE_INGRESS };
+int cxgb4_bar2_sge_qregs(struct net_device *dev,
+ unsigned int qid,
+ enum cxgb4_bar2_qtype qtype,
+ int user,
+ u64 *pbar2_qoffset,
+ unsigned int *pbar2_qid);
+
+#endif /* !__CXGB4_ULD_H */
generated by cgit (git 2.34.1) at 2025-12-27 23:54:47 +0000