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authorVinay Kumar Yadav <vinay.yadav@chelsio.com>2020-08-19 19:31:20 +0530
committerDavid S. Miller <davem@davemloft.net>2020-08-21 14:15:15 -0700
commit44fd1c1fd821955118ecb518f46076b98343e591 (patch)
treea641279be5093a9256fab0fd385ab4c37df879bb /drivers/crypto/chelsio/chtls/chtls_cm.h
parentd0a84e1f38d9d6ae2dfab0b6c2407d667a265aa5 (diff)
downloadlinux-44fd1c1fd821955118ecb518f46076b98343e591.tar.bz2
chelsio/chtls: separate chelsio tls driver from crypto driver
chelsio inline tls driver(chtls) is mostly overlaps with NIC drivers but currenty it is part of crypto driver, so move it out to appropriate directory for better maintenance. Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/crypto/chelsio/chtls/chtls_cm.h')
-rw-r--r--drivers/crypto/chelsio/chtls/chtls_cm.h222
1 files changed, 0 insertions, 222 deletions
diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.h b/drivers/crypto/chelsio/chtls/chtls_cm.h
deleted file mode 100644
index 47ba81e42f5d..000000000000
--- a/drivers/crypto/chelsio/chtls/chtls_cm.h
+++ /dev/null
@@ -1,222 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (c) 2018 Chelsio Communications, Inc.
- */
-
-#ifndef __CHTLS_CM_H__
-#define __CHTLS_CM_H__
-
-/*
- * TCB settings
- */
-/* 3:0 */
-#define TCB_ULP_TYPE_W 0
-#define TCB_ULP_TYPE_S 0
-#define TCB_ULP_TYPE_M 0xfULL
-#define TCB_ULP_TYPE_V(x) ((x) << TCB_ULP_TYPE_S)
-
-/* 11:4 */
-#define TCB_ULP_RAW_W 0
-#define TCB_ULP_RAW_S 4
-#define TCB_ULP_RAW_M 0xffULL
-#define TCB_ULP_RAW_V(x) ((x) << TCB_ULP_RAW_S)
-
-#define TF_TLS_KEY_SIZE_S 7
-#define TF_TLS_KEY_SIZE_V(x) ((x) << TF_TLS_KEY_SIZE_S)
-
-#define TF_TLS_CONTROL_S 2
-#define TF_TLS_CONTROL_V(x) ((x) << TF_TLS_CONTROL_S)
-
-#define TF_TLS_ACTIVE_S 1
-#define TF_TLS_ACTIVE_V(x) ((x) << TF_TLS_ACTIVE_S)
-
-#define TF_TLS_ENABLE_S 0
-#define TF_TLS_ENABLE_V(x) ((x) << TF_TLS_ENABLE_S)
-
-#define TF_RX_QUIESCE_S 15
-#define TF_RX_QUIESCE_V(x) ((x) << TF_RX_QUIESCE_S)
-
-/*
- * Max receive window supported by HW in bytes. Only a small part of it can
- * be set through option0, the rest needs to be set through RX_DATA_ACK.
- */
-#define MAX_RCV_WND ((1U << 27) - 1)
-#define MAX_MSS 65536
-
-/*
- * Min receive window. We want it to be large enough to accommodate receive
- * coalescing, handle jumbo frames, and not trigger sender SWS avoidance.
- */
-#define MIN_RCV_WND (24 * 1024U)
-#define LOOPBACK(x) (((x) & htonl(0xff000000)) == htonl(0x7f000000))
-
-/* ulp_mem_io + ulptx_idata + payload + padding */
-#define MAX_IMM_ULPTX_WR_LEN (32 + 8 + 256 + 8)
-
-/* for TX: a skb must have a headroom of at least TX_HEADER_LEN bytes */
-#define TX_HEADER_LEN \
- (sizeof(struct fw_ofld_tx_data_wr) + sizeof(struct sge_opaque_hdr))
-#define TX_TLSHDR_LEN \
- (sizeof(struct fw_tlstx_data_wr) + sizeof(struct cpl_tx_tls_sfo) + \
- sizeof(struct sge_opaque_hdr))
-#define TXDATA_SKB_LEN 128
-
-enum {
- CPL_TX_TLS_SFO_TYPE_CCS,
- CPL_TX_TLS_SFO_TYPE_ALERT,
- CPL_TX_TLS_SFO_TYPE_HANDSHAKE,
- CPL_TX_TLS_SFO_TYPE_DATA,
- CPL_TX_TLS_SFO_TYPE_HEARTBEAT,
-};
-
-enum {
- TLS_HDR_TYPE_CCS = 20,
- TLS_HDR_TYPE_ALERT,
- TLS_HDR_TYPE_HANDSHAKE,
- TLS_HDR_TYPE_RECORD,
- TLS_HDR_TYPE_HEARTBEAT,
-};
-
-typedef void (*defer_handler_t)(struct chtls_dev *dev, struct sk_buff *skb);
-extern struct request_sock_ops chtls_rsk_ops;
-extern struct request_sock_ops chtls_rsk_opsv6;
-
-struct deferred_skb_cb {
- defer_handler_t handler;
- struct chtls_dev *dev;
-};
-
-#define DEFERRED_SKB_CB(skb) ((struct deferred_skb_cb *)(skb)->cb)
-#define failover_flowc_wr_len offsetof(struct fw_flowc_wr, mnemval[3])
-#define WR_SKB_CB(skb) ((struct wr_skb_cb *)(skb)->cb)
-#define ACCEPT_QUEUE(sk) (&inet_csk(sk)->icsk_accept_queue.rskq_accept_head)
-
-#define SND_WSCALE(tp) ((tp)->rx_opt.snd_wscale)
-#define RCV_WSCALE(tp) ((tp)->rx_opt.rcv_wscale)
-#define USER_MSS(tp) ((tp)->rx_opt.user_mss)
-#define TS_RECENT_STAMP(tp) ((tp)->rx_opt.ts_recent_stamp)
-#define WSCALE_OK(tp) ((tp)->rx_opt.wscale_ok)
-#define TSTAMP_OK(tp) ((tp)->rx_opt.tstamp_ok)
-#define SACK_OK(tp) ((tp)->rx_opt.sack_ok)
-#define INC_ORPHAN_COUNT(sk) percpu_counter_inc((sk)->sk_prot->orphan_count)
-
-/* TLS SKB */
-#define skb_ulp_tls_inline(skb) (ULP_SKB_CB(skb)->ulp.tls.ofld)
-#define skb_ulp_tls_iv_imm(skb) (ULP_SKB_CB(skb)->ulp.tls.iv)
-
-void chtls_defer_reply(struct sk_buff *skb, struct chtls_dev *dev,
- defer_handler_t handler);
-
-/*
- * Returns true if the socket is in one of the supplied states.
- */
-static inline unsigned int sk_in_state(const struct sock *sk,
- unsigned int states)
-{
- return states & (1 << sk->sk_state);
-}
-
-static void chtls_rsk_destructor(struct request_sock *req)
-{
- /* do nothing */
-}
-
-static inline void chtls_init_rsk_ops(struct proto *chtls_tcp_prot,
- struct request_sock_ops *chtls_tcp_ops,
- struct proto *tcp_prot, int family)
-{
- memset(chtls_tcp_ops, 0, sizeof(*chtls_tcp_ops));
- chtls_tcp_ops->family = family;
- chtls_tcp_ops->obj_size = sizeof(struct tcp_request_sock);
- chtls_tcp_ops->destructor = chtls_rsk_destructor;
- chtls_tcp_ops->slab = tcp_prot->rsk_prot->slab;
- chtls_tcp_prot->rsk_prot = chtls_tcp_ops;
-}
-
-static inline void chtls_reqsk_free(struct request_sock *req)
-{
- if (req->rsk_listener)
- sock_put(req->rsk_listener);
- kmem_cache_free(req->rsk_ops->slab, req);
-}
-
-#define DECLARE_TASK_FUNC(task, task_param) \
- static void task(struct work_struct *task_param)
-
-static inline void sk_wakeup_sleepers(struct sock *sk, bool interruptable)
-{
- struct socket_wq *wq;
-
- rcu_read_lock();
- wq = rcu_dereference(sk->sk_wq);
- if (skwq_has_sleeper(wq)) {
- if (interruptable)
- wake_up_interruptible(sk_sleep(sk));
- else
- wake_up_all(sk_sleep(sk));
- }
- rcu_read_unlock();
-}
-
-static inline void chtls_set_req_port(struct request_sock *oreq,
- __be16 source, __be16 dest)
-{
- inet_rsk(oreq)->ir_rmt_port = source;
- inet_rsk(oreq)->ir_num = ntohs(dest);
-}
-
-static inline void chtls_set_req_addr(struct request_sock *oreq,
- __be32 local_ip, __be32 peer_ip)
-{
- inet_rsk(oreq)->ir_loc_addr = local_ip;
- inet_rsk(oreq)->ir_rmt_addr = peer_ip;
-}
-
-static inline void chtls_free_skb(struct sock *sk, struct sk_buff *skb)
-{
- skb_dst_set(skb, NULL);
- __skb_unlink(skb, &sk->sk_receive_queue);
- __kfree_skb(skb);
-}
-
-static inline void chtls_kfree_skb(struct sock *sk, struct sk_buff *skb)
-{
- skb_dst_set(skb, NULL);
- __skb_unlink(skb, &sk->sk_receive_queue);
- kfree_skb(skb);
-}
-
-static inline void chtls_reset_wr_list(struct chtls_sock *csk)
-{
- csk->wr_skb_head = NULL;
- csk->wr_skb_tail = NULL;
-}
-
-static inline void enqueue_wr(struct chtls_sock *csk, struct sk_buff *skb)
-{
- WR_SKB_CB(skb)->next_wr = NULL;
-
- skb_get(skb);
-
- if (!csk->wr_skb_head)
- csk->wr_skb_head = skb;
- else
- WR_SKB_CB(csk->wr_skb_tail)->next_wr = skb;
- csk->wr_skb_tail = skb;
-}
-
-static inline struct sk_buff *dequeue_wr(struct sock *sk)
-{
- struct chtls_sock *csk = rcu_dereference_sk_user_data(sk);
- struct sk_buff *skb = NULL;
-
- skb = csk->wr_skb_head;
-
- if (likely(skb)) {
- /* Don't bother clearing the tail */
- csk->wr_skb_head = WR_SKB_CB(skb)->next_wr;
- WR_SKB_CB(skb)->next_wr = NULL;
- }
- return skb;
-}
-#endif