mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/scsi/cxgbi/libcxgbi.h
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@@ -76,6 +76,14 @@
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 #define ULP2_MAX_PDU_PAYLOAD	\
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 	(ULP2_MAX_PKT_SIZE - ISCSI_PDU_NONPAYLOAD_LEN)
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+#define CXGBI_ULP2_MAX_ISO_PAYLOAD	65535
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+
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+#define CXGBI_MAX_ISO_DATA_IN_SKB	\
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+	min_t(u32, MAX_SKB_FRAGS << PAGE_SHIFT, CXGBI_ULP2_MAX_ISO_PAYLOAD)
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+
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+#define cxgbi_is_iso_config(csk)	((csk)->cdev->skb_iso_txhdr)
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+#define cxgbi_is_iso_disabled(csk)	((csk)->disable_iso)
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+
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 /*
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  * For iscsi connections HW may inserts digest bytes into the pdu. Those digest
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  * bytes are not sent by the host but are part of the TCP payload and therefore
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@@ -120,6 +128,9 @@
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 	int wr_max_cred;
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 	int wr_cred;
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 	int wr_una_cred;
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+#ifdef CONFIG_CHELSIO_T4_DCB
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+	u8 dcb_priority;
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+#endif
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 	unsigned char hcrc_len;
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 	unsigned char dcrc_len;
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@@ -159,6 +170,10 @@
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 	u32 write_seq;
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 	u32 snd_win;
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 	u32 rcv_win;
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+
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+	bool disable_iso;
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+	u32 no_tx_credits;
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+	unsigned long prev_iso_ts;
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 };
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 /*
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@@ -200,6 +215,8 @@
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 	void *handle;
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 	void *arp_err_handler;
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 	struct sk_buff *wr_next;
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+	u16 iscsi_hdr_len;
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+	u8 ulp_mode;
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 };
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 enum cxgbi_skcb_flags {
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@@ -215,6 +232,7 @@
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 	SKCBF_RX_HCRC_ERR,	/* header digest error */
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 	SKCBF_RX_DCRC_ERR,	/* data digest error */
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 	SKCBF_RX_PAD_ERR,	/* padding byte error */
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+	SKCBF_TX_ISO,		/* iso cpl in tx skb */
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 };
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 struct cxgbi_skb_cb {
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@@ -222,18 +240,18 @@
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 		struct cxgbi_skb_rx_cb rx;
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 		struct cxgbi_skb_tx_cb tx;
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 	};
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-	unsigned char ulp_mode;
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 	unsigned long flags;
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 	unsigned int seq;
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 };
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 #define CXGBI_SKB_CB(skb)	((struct cxgbi_skb_cb *)&((skb)->cb[0]))
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 #define cxgbi_skcb_flags(skb)		(CXGBI_SKB_CB(skb)->flags)
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-#define cxgbi_skcb_ulp_mode(skb)	(CXGBI_SKB_CB(skb)->ulp_mode)
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 #define cxgbi_skcb_tcp_seq(skb)		(CXGBI_SKB_CB(skb)->seq)
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 #define cxgbi_skcb_rx_ddigest(skb)	(CXGBI_SKB_CB(skb)->rx.ddigest)
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 #define cxgbi_skcb_rx_pdulen(skb)	(CXGBI_SKB_CB(skb)->rx.pdulen)
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 #define cxgbi_skcb_tx_wr_next(skb)	(CXGBI_SKB_CB(skb)->tx.wr_next)
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+#define cxgbi_skcb_tx_iscsi_hdrlen(skb)	(CXGBI_SKB_CB(skb)->tx.iscsi_hdr_len)
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+#define cxgbi_skcb_tx_ulp_mode(skb)	(CXGBI_SKB_CB(skb)->tx.ulp_mode)
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 static inline void cxgbi_skcb_set_flag(struct sk_buff *skb,
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 					enum cxgbi_skcb_flags flag)
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@@ -455,6 +473,7 @@
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 #define CXGBI_FLAG_IPV4_SET		0x10
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 #define CXGBI_FLAG_USE_PPOD_OFLDQ       0x40
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 #define CXGBI_FLAG_DDP_OFF		0x100
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+#define CXGBI_FLAG_DEV_ISO_OFF		0x400
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477
 
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 struct cxgbi_device {
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 	struct list_head list_head;
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@@ -474,6 +493,7 @@
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 	unsigned int pfvf;
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 	unsigned int rx_credit_thres;
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 	unsigned int skb_tx_rsvd;
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+	u32 skb_iso_txhdr;
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 	unsigned int skb_rx_extra;	/* for msg coalesced mode */
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 	unsigned int tx_max_size;
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 	unsigned int rx_max_size;
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@@ -520,35 +540,40 @@
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 	struct cxgbi_sock *csk;
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 };
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-#define MAX_PDU_FRAGS	((ULP2_MAX_PDU_PAYLOAD + 512 - 1) / 512)
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 struct cxgbi_task_data {
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+#define CXGBI_TASK_SGL_CHECKED	0x1
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+#define CXGBI_TASK_SGL_COPY	0x2
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+	u8 flags;
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 	unsigned short nr_frags;
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-	struct page_frag frags[MAX_PDU_FRAGS];
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+	struct page_frag frags[MAX_SKB_FRAGS];
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 	struct sk_buff *skb;
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 	unsigned int dlen;
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 	unsigned int offset;
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 	unsigned int count;
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 	unsigned int sgoffset;
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+	u32 total_count;
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+	u32 total_offset;
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+	u32 max_xmit_dlength;
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 	struct cxgbi_task_tag_info ttinfo;
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 };
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 #define iscsi_task_cxgbi_data(task) \
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 	((task)->dd_data + sizeof(struct iscsi_tcp_task))
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-static inline void *cxgbi_alloc_big_mem(unsigned int size,
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-					gfp_t gfp)
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-{
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-	void *p = kzalloc(size, gfp | __GFP_NOWARN);
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-
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-	if (!p)
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-		p = vzalloc(size);
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-
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-	return p;
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-}
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-
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-static inline void cxgbi_free_big_mem(void *addr)
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-{
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-	kvfree(addr);
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-}
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+struct cxgbi_iso_info {
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+#define CXGBI_ISO_INFO_FSLICE		0x1
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+#define CXGBI_ISO_INFO_LSLICE		0x2
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+#define CXGBI_ISO_INFO_IMM_ENABLE	0x4
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+	u8 flags;
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+	u8 op;
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+	u8 ahs;
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+	u8 num_pdu;
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+	u32 mpdu;
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+	u32 burst_size;
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+	u32 len;
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+	u32 segment_offset;
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+	u32 datasn_offset;
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+	u32 buffer_offset;
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+};
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 static inline void cxgbi_set_iscsi_ipv4(struct cxgbi_hba *chba, __be32 ipaddr)
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 {
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@@ -614,8 +639,9 @@
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 void cxgbi_ddp_set_one_ppod(struct cxgbi_pagepod *,
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 			    struct cxgbi_task_tag_info *,
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 			    struct scatterlist **sg_pp, unsigned int *sg_off);
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-void cxgbi_ddp_ppm_setup(void **ppm_pp, struct cxgbi_device *,
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-			 struct cxgbi_tag_format *, unsigned int ppmax,
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-			 unsigned int llimit, unsigned int start,
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-			 unsigned int rsvd_factor);
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+int cxgbi_ddp_ppm_setup(void **ppm_pp, struct cxgbi_device *cdev,
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+			struct cxgbi_tag_format *tformat,
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+			unsigned int iscsi_size, unsigned int llimit,
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+			unsigned int start, unsigned int rsvd_factor,
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+			unsigned int edram_start, unsigned int edram_size);
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 #endif	/*__LIBCXGBI_H__*/