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path: root/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls.h
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Diffstat (limited to 'drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls.h')
-rw-r--r--drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls.h580
1 files changed, 580 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls.h b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls.h
new file mode 100644
index 000000000000..2d3dfdd2a716
--- /dev/null
+++ b/drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls.h
@@ -0,0 +1,580 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2018 Chelsio Communications, Inc.
+ */
+
+#ifndef __CHTLS_H__
+#define __CHTLS_H__
+
+#include <crypto/aes.h>
+#include <crypto/algapi.h>
+#include <crypto/hash.h>
+#include <crypto/sha.h>
+#include <crypto/authenc.h>
+#include <crypto/ctr.h>
+#include <crypto/gf128mul.h>
+#include <crypto/internal/aead.h>
+#include <crypto/null.h>
+#include <crypto/internal/skcipher.h>
+#include <crypto/aead.h>
+#include <crypto/scatterwalk.h>
+#include <crypto/internal/hash.h>
+#include <linux/tls.h>
+#include <net/tls.h>
+#include <net/tls_toe.h>
+
+#include "t4fw_api.h"
+#include "t4_msg.h"
+#include "cxgb4.h"
+#include "cxgb4_uld.h"
+#include "l2t.h"
+#include "chcr_algo.h"
+#include "chcr_core.h"
+#include "chcr_crypto.h"
+
+#define CHTLS_DRV_VERSION "1.0.0.0-ko"
+
+#define TLS_KEYCTX_RXFLIT_CNT_S 24
+#define TLS_KEYCTX_RXFLIT_CNT_V(x) ((x) << TLS_KEYCTX_RXFLIT_CNT_S)
+
+#define TLS_KEYCTX_RXPROT_VER_S 20
+#define TLS_KEYCTX_RXPROT_VER_M 0xf
+#define TLS_KEYCTX_RXPROT_VER_V(x) ((x) << TLS_KEYCTX_RXPROT_VER_S)
+
+#define TLS_KEYCTX_RXCIPH_MODE_S 16
+#define TLS_KEYCTX_RXCIPH_MODE_M 0xf
+#define TLS_KEYCTX_RXCIPH_MODE_V(x) ((x) << TLS_KEYCTX_RXCIPH_MODE_S)
+
+#define TLS_KEYCTX_RXAUTH_MODE_S 12
+#define TLS_KEYCTX_RXAUTH_MODE_M 0xf
+#define TLS_KEYCTX_RXAUTH_MODE_V(x) ((x) << TLS_KEYCTX_RXAUTH_MODE_S)
+
+#define TLS_KEYCTX_RXCIAU_CTRL_S 11
+#define TLS_KEYCTX_RXCIAU_CTRL_V(x) ((x) << TLS_KEYCTX_RXCIAU_CTRL_S)
+
+#define TLS_KEYCTX_RX_SEQCTR_S 9
+#define TLS_KEYCTX_RX_SEQCTR_M 0x3
+#define TLS_KEYCTX_RX_SEQCTR_V(x) ((x) << TLS_KEYCTX_RX_SEQCTR_S)
+
+#define TLS_KEYCTX_RX_VALID_S 8
+#define TLS_KEYCTX_RX_VALID_V(x) ((x) << TLS_KEYCTX_RX_VALID_S)
+
+#define TLS_KEYCTX_RXCK_SIZE_S 3
+#define TLS_KEYCTX_RXCK_SIZE_M 0x7
+#define TLS_KEYCTX_RXCK_SIZE_V(x) ((x) << TLS_KEYCTX_RXCK_SIZE_S)
+
+#define TLS_KEYCTX_RXMK_SIZE_S 0
+#define TLS_KEYCTX_RXMK_SIZE_M 0x7
+#define TLS_KEYCTX_RXMK_SIZE_V(x) ((x) << TLS_KEYCTX_RXMK_SIZE_S)
+
+#define KEYCTX_TX_WR_IV_S 55
+#define KEYCTX_TX_WR_IV_M 0x1ffULL
+#define KEYCTX_TX_WR_IV_V(x) ((x) << KEYCTX_TX_WR_IV_S)
+#define KEYCTX_TX_WR_IV_G(x) \
+ (((x) >> KEYCTX_TX_WR_IV_S) & KEYCTX_TX_WR_IV_M)
+
+#define KEYCTX_TX_WR_AAD_S 47
+#define KEYCTX_TX_WR_AAD_M 0xffULL
+#define KEYCTX_TX_WR_AAD_V(x) ((x) << KEYCTX_TX_WR_AAD_S)
+#define KEYCTX_TX_WR_AAD_G(x) (((x) >> KEYCTX_TX_WR_AAD_S) & \
+ KEYCTX_TX_WR_AAD_M)
+
+#define KEYCTX_TX_WR_AADST_S 39
+#define KEYCTX_TX_WR_AADST_M 0xffULL
+#define KEYCTX_TX_WR_AADST_V(x) ((x) << KEYCTX_TX_WR_AADST_S)
+#define KEYCTX_TX_WR_AADST_G(x) \
+ (((x) >> KEYCTX_TX_WR_AADST_S) & KEYCTX_TX_WR_AADST_M)
+
+#define KEYCTX_TX_WR_CIPHER_S 30
+#define KEYCTX_TX_WR_CIPHER_M 0x1ffULL
+#define KEYCTX_TX_WR_CIPHER_V(x) ((x) << KEYCTX_TX_WR_CIPHER_S)
+#define KEYCTX_TX_WR_CIPHER_G(x) \
+ (((x) >> KEYCTX_TX_WR_CIPHER_S) & KEYCTX_TX_WR_CIPHER_M)
+
+#define KEYCTX_TX_WR_CIPHERST_S 23
+#define KEYCTX_TX_WR_CIPHERST_M 0x7f
+#define KEYCTX_TX_WR_CIPHERST_V(x) ((x) << KEYCTX_TX_WR_CIPHERST_S)
+#define KEYCTX_TX_WR_CIPHERST_G(x) \
+ (((x) >> KEYCTX_TX_WR_CIPHERST_S) & KEYCTX_TX_WR_CIPHERST_M)
+
+#define KEYCTX_TX_WR_AUTH_S 14
+#define KEYCTX_TX_WR_AUTH_M 0x1ff
+#define KEYCTX_TX_WR_AUTH_V(x) ((x) << KEYCTX_TX_WR_AUTH_S)
+#define KEYCTX_TX_WR_AUTH_G(x) \
+ (((x) >> KEYCTX_TX_WR_AUTH_S) & KEYCTX_TX_WR_AUTH_M)
+
+#define KEYCTX_TX_WR_AUTHST_S 7
+#define KEYCTX_TX_WR_AUTHST_M 0x7f
+#define KEYCTX_TX_WR_AUTHST_V(x) ((x) << KEYCTX_TX_WR_AUTHST_S)
+#define KEYCTX_TX_WR_AUTHST_G(x) \
+ (((x) >> KEYCTX_TX_WR_AUTHST_S) & KEYCTX_TX_WR_AUTHST_M)
+
+#define KEYCTX_TX_WR_AUTHIN_S 0
+#define KEYCTX_TX_WR_AUTHIN_M 0x7f
+#define KEYCTX_TX_WR_AUTHIN_V(x) ((x) << KEYCTX_TX_WR_AUTHIN_S)
+#define KEYCTX_TX_WR_AUTHIN_G(x) \
+ (((x) >> KEYCTX_TX_WR_AUTHIN_S) & KEYCTX_TX_WR_AUTHIN_M)
+
+struct sge_opaque_hdr {
+ void *dev;
+ dma_addr_t addr[MAX_SKB_FRAGS + 1];
+};
+
+#define MAX_IVS_PAGE 256
+#define TLS_KEY_CONTEXT_SZ 64
+#define CIPHER_BLOCK_SIZE 16
+#define GCM_TAG_SIZE 16
+#define KEY_ON_MEM_SZ 16
+#define AEAD_EXPLICIT_DATA_SIZE 8
+#define TLS_HEADER_LENGTH 5
+#define SCMD_CIPH_MODE_AES_GCM 2
+/* Any MFS size should work and come from openssl */
+#define TLS_MFS 16384
+
+#define RSS_HDR sizeof(struct rss_header)
+#define TLS_WR_CPL_LEN \
+ (sizeof(struct fw_tlstx_data_wr) + sizeof(struct cpl_tx_tls_sfo))
+
+enum {
+ CHTLS_KEY_CONTEXT_DSGL,
+ CHTLS_KEY_CONTEXT_IMM,
+ CHTLS_KEY_CONTEXT_DDR,
+};
+
+enum {
+ CHTLS_LISTEN_START,
+ CHTLS_LISTEN_STOP,
+};
+
+/* Flags for return value of CPL message handlers */
+enum {
+ CPL_RET_BUF_DONE = 1, /* buffer processing done */
+ CPL_RET_BAD_MSG = 2, /* bad CPL message */
+ CPL_RET_UNKNOWN_TID = 4 /* unexpected unknown TID */
+};
+
+#define LISTEN_INFO_HASH_SIZE 32
+#define RSPQ_HASH_BITS 5
+struct listen_info {
+ struct listen_info *next; /* Link to next entry */
+ struct sock *sk; /* The listening socket */
+ unsigned int stid; /* The server TID */
+};
+
+enum {
+ T4_LISTEN_START_PENDING,
+ T4_LISTEN_STARTED
+};
+
+enum csk_flags {
+ CSK_CALLBACKS_CHKD, /* socket callbacks have been sanitized */
+ CSK_ABORT_REQ_RCVD, /* received one ABORT_REQ_RSS message */
+ CSK_TX_MORE_DATA, /* sending ULP data; don't set SHOVE bit */
+ CSK_TX_WAIT_IDLE, /* suspend Tx until in-flight data is ACKed */
+ CSK_ABORT_SHUTDOWN, /* shouldn't send more abort requests */
+ CSK_ABORT_RPL_PENDING, /* expecting an abort reply */
+ CSK_CLOSE_CON_REQUESTED,/* we've sent a close_conn_req */
+ CSK_TX_DATA_SENT, /* sent a TX_DATA WR on this connection */
+ CSK_TX_FAILOVER, /* Tx traffic failing over */
+ CSK_UPDATE_RCV_WND, /* Need to update rcv window */
+ CSK_RST_ABORTED, /* outgoing RST was aborted */
+ CSK_TLS_HANDSHK, /* TLS Handshake */
+ CSK_CONN_INLINE, /* Connection on HW */
+};
+
+enum chtls_cdev_state {
+ CHTLS_CDEV_STATE_UP = 1
+};
+
+struct listen_ctx {
+ struct sock *lsk;
+ struct chtls_dev *cdev;
+ struct sk_buff_head synq;
+ u32 state;
+};
+
+struct key_map {
+ unsigned long *addr;
+ unsigned int start;
+ unsigned int available;
+ unsigned int size;
+ spinlock_t lock; /* lock for key id request from map */
+} __packed;
+
+struct tls_scmd {
+ u32 seqno_numivs;
+ u32 ivgen_hdrlen;
+};
+
+struct chtls_dev {
+ struct tls_toe_device tlsdev;
+ struct list_head list;
+ struct cxgb4_lld_info *lldi;
+ struct pci_dev *pdev;
+ struct listen_info *listen_hash_tab[LISTEN_INFO_HASH_SIZE];
+ spinlock_t listen_lock; /* lock for listen list */
+ struct net_device **ports;
+ struct tid_info *tids;
+ unsigned int pfvf;
+ const unsigned short *mtus;
+
+ struct idr hwtid_idr;
+ struct idr stid_idr;
+
+ spinlock_t idr_lock ____cacheline_aligned_in_smp;
+
+ struct net_device *egr_dev[NCHAN * 2];
+ struct sk_buff *rspq_skb_cache[1 << RSPQ_HASH_BITS];
+ struct sk_buff *askb;
+
+ struct sk_buff_head deferq;
+ struct work_struct deferq_task;
+
+ struct list_head list_node;
+ struct list_head rcu_node;
+ struct list_head na_node;
+ unsigned int send_page_order;
+ int max_host_sndbuf;
+ struct key_map kmap;
+ unsigned int cdev_state;
+};
+
+struct chtls_listen {
+ struct chtls_dev *cdev;
+ struct sock *sk;
+};
+
+struct chtls_hws {
+ struct sk_buff_head sk_recv_queue;
+ u8 txqid;
+ u8 ofld;
+ u16 type;
+ u16 rstate;
+ u16 keyrpl;
+ u16 pldlen;
+ u16 rcvpld;
+ u16 compute;
+ u16 expansion;
+ u16 keylen;
+ u16 pdus;
+ u16 adjustlen;
+ u16 ivsize;
+ u16 txleft;
+ u32 mfs;
+ s32 txkey;
+ s32 rxkey;
+ u32 fcplenmax;
+ u32 copied_seq;
+ u64 tx_seq_no;
+ struct tls_scmd scmd;
+ union {
+ struct tls12_crypto_info_aes_gcm_128 aes_gcm_128;
+ struct tls12_crypto_info_aes_gcm_256 aes_gcm_256;
+ } crypto_info;
+};
+
+struct chtls_sock {
+ struct sock *sk;
+ struct chtls_dev *cdev;
+ struct l2t_entry *l2t_entry; /* pointer to the L2T entry */
+ struct net_device *egress_dev; /* TX_CHAN for act open retry */
+
+ struct sk_buff_head txq;
+ struct sk_buff *wr_skb_head;
+ struct sk_buff *wr_skb_tail;
+ struct sk_buff *ctrl_skb_cache;
+ struct sk_buff *txdata_skb_cache; /* abort path messages */
+ struct kref kref;
+ unsigned long flags;
+ u32 opt2;
+ u32 wr_credits;
+ u32 wr_unacked;
+ u32 wr_max_credits;
+ u32 wr_nondata;
+ u32 hwtid; /* TCP Control Block ID */
+ u32 txq_idx;
+ u32 rss_qid;
+ u32 tid;
+ u32 idr;
+ u32 mss;
+ u32 ulp_mode;
+ u32 tx_chan;
+ u32 rx_chan;
+ u32 sndbuf;
+ u32 txplen_max;
+ u32 mtu_idx; /* MTU table index */
+ u32 smac_idx;
+ u8 port_id;
+ u8 tos;
+ u16 resv2;
+ u32 delack_mode;
+ u32 delack_seq;
+ u32 snd_win;
+ u32 rcv_win;
+
+ void *passive_reap_next; /* placeholder for passive */
+ struct chtls_hws tlshws;
+ struct synq {
+ struct sk_buff *next;
+ struct sk_buff *prev;
+ } synq;
+ struct listen_ctx *listen_ctx;
+};
+
+struct tls_hdr {
+ u8 type;
+ u16 version;
+ u16 length;
+} __packed;
+
+struct tlsrx_cmp_hdr {
+ u8 type;
+ u16 version;
+ u16 length;
+
+ u64 tls_seq;
+ u16 reserved1;
+ u8 res_to_mac_error;
+} __packed;
+
+/* res_to_mac_error fields */
+#define TLSRX_HDR_PKT_INT_ERROR_S 4
+#define TLSRX_HDR_PKT_INT_ERROR_M 0x1
+#define TLSRX_HDR_PKT_INT_ERROR_V(x) \
+ ((x) << TLSRX_HDR_PKT_INT_ERROR_S)
+#define TLSRX_HDR_PKT_INT_ERROR_G(x) \
+ (((x) >> TLSRX_HDR_PKT_INT_ERROR_S) & TLSRX_HDR_PKT_INT_ERROR_M)
+#define TLSRX_HDR_PKT_INT_ERROR_F TLSRX_HDR_PKT_INT_ERROR_V(1U)
+
+#define TLSRX_HDR_PKT_SPP_ERROR_S 3
+#define TLSRX_HDR_PKT_SPP_ERROR_M 0x1
+#define TLSRX_HDR_PKT_SPP_ERROR_V(x) ((x) << TLSRX_HDR_PKT_SPP_ERROR)
+#define TLSRX_HDR_PKT_SPP_ERROR_G(x) \
+ (((x) >> TLSRX_HDR_PKT_SPP_ERROR_S) & TLSRX_HDR_PKT_SPP_ERROR_M)
+#define TLSRX_HDR_PKT_SPP_ERROR_F TLSRX_HDR_PKT_SPP_ERROR_V(1U)
+
+#define TLSRX_HDR_PKT_CCDX_ERROR_S 2
+#define TLSRX_HDR_PKT_CCDX_ERROR_M 0x1
+#define TLSRX_HDR_PKT_CCDX_ERROR_V(x) ((x) << TLSRX_HDR_PKT_CCDX_ERROR_S)
+#define TLSRX_HDR_PKT_CCDX_ERROR_G(x) \
+ (((x) >> TLSRX_HDR_PKT_CCDX_ERROR_S) & TLSRX_HDR_PKT_CCDX_ERROR_M)
+#define TLSRX_HDR_PKT_CCDX_ERROR_F TLSRX_HDR_PKT_CCDX_ERROR_V(1U)
+
+#define TLSRX_HDR_PKT_PAD_ERROR_S 1
+#define TLSRX_HDR_PKT_PAD_ERROR_M 0x1
+#define TLSRX_HDR_PKT_PAD_ERROR_V(x) ((x) << TLSRX_HDR_PKT_PAD_ERROR_S)
+#define TLSRX_HDR_PKT_PAD_ERROR_G(x) \
+ (((x) >> TLSRX_HDR_PKT_PAD_ERROR_S) & TLSRX_HDR_PKT_PAD_ERROR_M)
+#define TLSRX_HDR_PKT_PAD_ERROR_F TLSRX_HDR_PKT_PAD_ERROR_V(1U)
+
+#define TLSRX_HDR_PKT_MAC_ERROR_S 0
+#define TLSRX_HDR_PKT_MAC_ERROR_M 0x1
+#define TLSRX_HDR_PKT_MAC_ERROR_V(x) ((x) << TLSRX_HDR_PKT_MAC_ERROR)
+#define TLSRX_HDR_PKT_MAC_ERROR_G(x) \
+ (((x) >> S_TLSRX_HDR_PKT_MAC_ERROR_S) & TLSRX_HDR_PKT_MAC_ERROR_M)
+#define TLSRX_HDR_PKT_MAC_ERROR_F TLSRX_HDR_PKT_MAC_ERROR_V(1U)
+
+#define TLSRX_HDR_PKT_ERROR_M 0x1F
+#define CONTENT_TYPE_ERROR 0x7F
+
+struct ulp_mem_rw {
+ __be32 cmd;
+ __be32 len16; /* command length */
+ __be32 dlen; /* data length in 32-byte units */
+ __be32 lock_addr;
+};
+
+struct tls_key_wr {
+ __be32 op_to_compl;
+ __be32 flowid_len16;
+ __be32 ftid;
+ u8 reneg_to_write_rx;
+ u8 protocol;
+ __be16 mfs;
+};
+
+struct tls_key_req {
+ struct tls_key_wr wr;
+ struct ulp_mem_rw req;
+ struct ulptx_idata sc_imm;
+};
+
+/*
+ * This lives in skb->cb and is used to chain WRs in a linked list.
+ */
+struct wr_skb_cb {
+ struct l2t_skb_cb l2t; /* reserve space for l2t CB */
+ struct sk_buff *next_wr; /* next write request */
+};
+
+/* Per-skb backlog handler. Run when a socket's backlog is processed. */
+struct blog_skb_cb {
+ void (*backlog_rcv)(struct sock *sk, struct sk_buff *skb);
+ struct chtls_dev *cdev;
+};
+
+/*
+ * Similar to tcp_skb_cb but with ULP elements added to support TLS,
+ * etc.
+ */
+struct ulp_skb_cb {
+ struct wr_skb_cb wr; /* reserve space for write request */
+ u16 flags; /* TCP-like flags */
+ u8 psh;
+ u8 ulp_mode; /* ULP mode/submode of sk_buff */
+ u32 seq; /* TCP sequence number */
+ union { /* ULP-specific fields */
+ struct {
+ u8 type;
+ u8 ofld;
+ u8 iv;
+ } tls;
+ } ulp;
+};
+
+#define ULP_SKB_CB(skb) ((struct ulp_skb_cb *)&((skb)->cb[0]))
+#define BLOG_SKB_CB(skb) ((struct blog_skb_cb *)(skb)->cb)
+
+/*
+ * Flags for ulp_skb_cb.flags.
+ */
+enum {
+ ULPCB_FLAG_NEED_HDR = 1 << 0, /* packet needs a TX_DATA_WR header */
+ ULPCB_FLAG_NO_APPEND = 1 << 1, /* don't grow this skb */
+ ULPCB_FLAG_BARRIER = 1 << 2, /* set TX_WAIT_IDLE after sending */
+ ULPCB_FLAG_HOLD = 1 << 3, /* skb not ready for Tx yet */
+ ULPCB_FLAG_COMPL = 1 << 4, /* request WR completion */
+ ULPCB_FLAG_URG = 1 << 5, /* urgent data */
+ ULPCB_FLAG_TLS_HDR = 1 << 6, /* payload with tls hdr */
+ ULPCB_FLAG_NO_HDR = 1 << 7, /* not a ofld wr */
+};
+
+/* The ULP mode/submode of an skbuff */
+#define skb_ulp_mode(skb) (ULP_SKB_CB(skb)->ulp_mode)
+#define TCP_PAGE(sk) (sk->sk_frag.page)
+#define TCP_OFF(sk) (sk->sk_frag.offset)
+
+static inline struct chtls_dev *to_chtls_dev(struct tls_toe_device *tlsdev)
+{
+ return container_of(tlsdev, struct chtls_dev, tlsdev);
+}
+
+static inline void csk_set_flag(struct chtls_sock *csk,
+ enum csk_flags flag)
+{
+ __set_bit(flag, &csk->flags);
+}
+
+static inline void csk_reset_flag(struct chtls_sock *csk,
+ enum csk_flags flag)
+{
+ __clear_bit(flag, &csk->flags);
+}
+
+static inline bool csk_conn_inline(const struct chtls_sock *csk)
+{
+ return test_bit(CSK_CONN_INLINE, &csk->flags);
+}
+
+static inline int csk_flag(const struct sock *sk, enum csk_flags flag)
+{
+ struct chtls_sock *csk = rcu_dereference_sk_user_data(sk);
+
+ if (!csk_conn_inline(csk))
+ return 0;
+ return test_bit(flag, &csk->flags);
+}
+
+static inline int csk_flag_nochk(const struct chtls_sock *csk,
+ enum csk_flags flag)
+{
+ return test_bit(flag, &csk->flags);
+}
+
+static inline void *cplhdr(struct sk_buff *skb)
+{
+ return skb->data;
+}
+
+static inline int is_neg_adv(unsigned int status)
+{
+ return status == CPL_ERR_RTX_NEG_ADVICE ||
+ status == CPL_ERR_KEEPALV_NEG_ADVICE ||
+ status == CPL_ERR_PERSIST_NEG_ADVICE;
+}
+
+static inline void process_cpl_msg(void (*fn)(struct sock *, struct sk_buff *),
+ struct sock *sk,
+ struct sk_buff *skb)
+{
+ skb_reset_mac_header(skb);
+ skb_reset_network_header(skb);
+ skb_reset_transport_header(skb);
+
+ bh_lock_sock(sk);
+ if (unlikely(sock_owned_by_user(sk))) {
+ BLOG_SKB_CB(skb)->backlog_rcv = fn;
+ __sk_add_backlog(sk, skb);
+ } else {
+ fn(sk, skb);
+ }
+ bh_unlock_sock(sk);
+}
+
+static inline void chtls_sock_free(struct kref *ref)
+{
+ struct chtls_sock *csk = container_of(ref, struct chtls_sock,
+ kref);
+ kfree(csk);
+}
+
+static inline void __chtls_sock_put(const char *fn, struct chtls_sock *csk)
+{
+ kref_put(&csk->kref, chtls_sock_free);
+}
+
+static inline void __chtls_sock_get(const char *fn,
+ struct chtls_sock *csk)
+{
+ kref_get(&csk->kref);
+}
+
+static inline void send_or_defer(struct sock *sk, struct tcp_sock *tp,
+ struct sk_buff *skb, int through_l2t)
+{
+ struct chtls_sock *csk = rcu_dereference_sk_user_data(sk);
+
+ if (through_l2t) {
+ /* send through L2T */
+ cxgb4_l2t_send(csk->egress_dev, skb, csk->l2t_entry);
+ } else {
+ /* send directly */
+ cxgb4_ofld_send(csk->egress_dev, skb);
+ }
+}
+
+typedef int (*chtls_handler_func)(struct chtls_dev *, struct sk_buff *);
+extern chtls_handler_func chtls_handlers[NUM_CPL_CMDS];
+void chtls_install_cpl_ops(struct sock *sk);
+int chtls_init_kmap(struct chtls_dev *cdev, struct cxgb4_lld_info *lldi);
+void chtls_listen_stop(struct chtls_dev *cdev, struct sock *sk);
+int chtls_listen_start(struct chtls_dev *cdev, struct sock *sk);
+void chtls_close(struct sock *sk, long timeout);
+int chtls_disconnect(struct sock *sk, int flags);
+void chtls_shutdown(struct sock *sk, int how);
+void chtls_destroy_sock(struct sock *sk);
+int chtls_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
+int chtls_recvmsg(struct sock *sk, struct msghdr *msg,
+ size_t len, int nonblock, int flags, int *addr_len);
+int chtls_sendpage(struct sock *sk, struct page *page,
+ int offset, size_t size, int flags);
+int send_tx_flowc_wr(struct sock *sk, int compl,
+ u32 snd_nxt, u32 rcv_nxt);
+void chtls_tcp_push(struct sock *sk, int flags);
+int chtls_push_frames(struct chtls_sock *csk, int comp);
+int chtls_set_tcb_tflag(struct sock *sk, unsigned int bit_pos, int val);
+int chtls_setkey(struct chtls_sock *csk, u32 keylen, u32 mode, int cipher_type);
+void skb_entail(struct sock *sk, struct sk_buff *skb, int flags);
+unsigned int keyid_to_addr(int start_addr, int keyid);
+void free_tls_keyid(struct sock *sk);
+#endif
generated by cgit (git 2.34.1) at 2024-07-01 22:27:22 +0000