linux-kernel - Re: [PATCH 01/15] net: hbl_cn: add habanalabs Core Network driver

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Date: Fri, 14 Jun 2024 17:05:48 -0700
From: Stephen Hemminger <stephen@...workplumber.org>
To: Omer Shpigelman <oshpigelman@...ana.ai>
Cc: linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
 netdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
 ogabbay@...nel.org, zyehudai@...ana.ai
Subject: Re: [PATCH 01/15] net: hbl_cn: add habanalabs Core Network driver


> +#define HBL_AUX2NIC(aux_dev)	\
> +	({ \
> +		struct hbl_aux_dev *__aux_dev = (aux_dev); \
> +		((__aux_dev)->type == HBL_AUX_DEV_ETH) ? \
> +		container_of(__aux_dev, struct hbl_cn_device, en_aux_dev) : \
> +		container_of(__aux_dev, struct hbl_cn_device, ib_aux_dev); \
> +	})
> +
> +#define RAND_STAT_CNT(cnt) \
> +	do { \
> +		u32 __cnt = get_random_u32(); \
> +		(cnt) = __cnt; \
> +		dev_info(hdev->dev, "port %d, %s: %u\n", port, #cnt, __cnt); \
> +	} while (0)
> +
> +struct hbl_cn_stat hbl_cn_mac_fec_stats[] = {
> +	{"correctable_errors", 0x2, 0x3},
> +	{"uncorrectable_errors", 0x4, 0x5}
> +};
> +

These tables should be marked const?

> +struct hbl_cn_stat hbl_cn_mac_stats_rx[] = {
> +	{"Octets", 0x0},
> +	{"OctetsReceivedOK", 0x4},
> +	{"aAlignmentErrors", 0x8},
> +	{"aPAUSEMACCtrlFramesReceived", 0xC},
> +	{"aFrameTooLongErrors", 0x10},
> +	{"aInRangeLengthErrors", 0x14},
> +	{"aFramesReceivedOK", 0x18},
> +	{"aFrameCheckSequenceErrors", 0x1C},
> +	{"VLANReceivedOK", 0x20},
> +	{"ifInErrors", 0x24},
> +	{"ifInUcastPkts", 0x28},
> +	{"ifInMulticastPkts", 0x2C},
> +	{"ifInBroadcastPkts", 0x30},
> +	{"DropEvents", 0x34},
> +	{"Pkts", 0x38},
> +	{"UndersizePkts", 0x3C},
> +	{"Pkts64Octets", 0x40},
> +	{"Pkts65to127Octets", 0x44},
> +	{"Pkts128to255Octets", 0x48},
> +	{"Pkts256to511Octets", 0x4C},
> +	{"Pkts512to1023Octets", 0x50},
> +	{"Pkts1024to1518Octets", 0x54},
> +	{"Pkts1519toMaxOctets", 0x58},
> +	{"OversizePkts", 0x5C},
> +	{"Jabbers", 0x60},
> +	{"Fragments", 0x64},
> +	{"aCBFCPAUSERx0", 0x68},
> +	{"aCBFCPAUSERx1", 0x6C},
> +	{"aCBFCPAUSERx2", 0x70},
> +	{"aCBFCPAUSERx3", 0x74},
> +	{"aCBFCPAUSERx4", 0x78},
> +	{"aCBFCPAUSERx5", 0x7C},
> +	{"aCBFCPAUSERx6", 0x80},
> +	{"aCBFCPAUSERx7", 0x84},
> +	{"aMACControlFramesReceived", 0x88}
> +};
> +
> +struct hbl_cn_stat hbl_cn_mac_stats_tx[] = {
> +	{"Octets", 0x0},
> +	{"OctetsTransmittedOK", 0x4},
> +	{"aPAUSEMACCtrlFramesTransmitted", 0x8},
> +	{"aFramesTransmittedOK", 0xC},
> +	{"VLANTransmittedOK", 0x10},
> +	{"ifOutErrors", 0x14},
> +	{"ifOutUcastPkts", 0x18},
> +	{"ifOutMulticastPkts", 0x1C},
> +	{"ifOutBroadcastPkts", 0x20},
> +	{"Pkts64Octets", 0x24},
> +	{"Pkts65to127Octets", 0x28},
> +	{"Pkts128to255Octets", 0x2C},
> +	{"Pkts256to511Octets", 0x30},
> +	{"Pkts512to1023Octets", 0x34},
> +	{"Pkts1024to1518Octets", 0x38},
> +	{"Pkts1519toMaxOctets", 0x3C},
> +	{"aCBFCPAUSETx0", 0x40},
> +	{"aCBFCPAUSETx1", 0x44},
> +	{"aCBFCPAUSETx2", 0x48},
> +	{"aCBFCPAUSETx3", 0x4C},
> +	{"aCBFCPAUSETx4", 0x50},
> +	{"aCBFCPAUSETx5", 0x54},
> +	{"aCBFCPAUSETx6", 0x58},
> +	{"aCBFCPAUSETx7", 0x5C},
> +	{"aMACControlFramesTx", 0x60},
> +	{"Pkts", 0x64}
> +};
> +
> +static const char pcs_counters_str[][ETH_GSTRING_LEN] = {
> +	{"pcs_local_faults"},
> +	{"pcs_remote_faults"},
> +	{"pcs_remote_fault_reconfig"},
> +	{"pcs_link_restores"},
> +	{"pcs_link_toggles"},
> +};
> +
> +static size_t pcs_counters_str_len = ARRAY_SIZE(pcs_counters_str);
> +size_t hbl_cn_mac_fec_stats_len = ARRAY_SIZE(hbl_cn_mac_fec_stats);
> +size_t hbl_cn_mac_stats_rx_len = ARRAY_SIZE(hbl_cn_mac_stats_rx);
> +size_t hbl_cn_mac_stats_tx_len = ARRAY_SIZE(hbl_cn_mac_stats_tx);
> +
> +static void qps_stop(struct hbl_cn_device *hdev);
> +static void qp_destroy_work(struct work_struct *work);
> +static int __user_wq_arr_unset(struct hbl_cn_ctx *ctx, struct hbl_cn_port *cn_port, u32 type);
> +static void user_cq_destroy(struct kref *kref);
> +static void set_app_params_clear(struct hbl_cn_device *hdev);
> +static int hbl_cn_ib_cmd_ctrl(struct hbl_aux_dev *aux_dev, void *cn_ib_ctx, u32 op, void *input,
> +			      void *output);
> +static int hbl_cn_ib_query_mem_handle(struct hbl_aux_dev *ib_aux_dev, u64 mem_handle,
> +				      struct hbl_ib_mem_info *info);
> +
> +static void hbl_cn_reset_stats_counters_port(struct hbl_cn_device *hdev, u32 port);
> +static void hbl_cn_late_init(struct hbl_cn_device *hdev);
> +static void hbl_cn_late_fini(struct hbl_cn_device *hdev);
> +static int hbl_cn_sw_init(struct hbl_cn_device *hdev);
> +static void hbl_cn_sw_fini(struct hbl_cn_device *hdev);
> +static void hbl_cn_spmu_init(struct hbl_cn_port *cn_port, bool full);
> +static int hbl_cn_cmd_port_check(struct hbl_cn_device *hdev, u32 port, u32 flags);
> +static void hbl_cn_qps_stop(struct hbl_cn_port *cn_port);

Can you reorder code so forward declarations are not required?