C++ (Cpp) get_next_tid Exemples

Exemple #1

Fichier : fs_proc.c Projet : animotron/animos

// TODO are we sure we can give it all out?
static size_t r_threads( struct uufile *f, void *dest, size_t bytes)
{
    phantom_thread_t out;
    tid_t t = get_next_tid( f->pos, &out);
    f->pos = t;

    if( t < 0 )
        return 0;

    int nc = umin( bytes, sizeof(out) );
    memcpy( dest, &out, nc );
    return nc;
}

Exemple #2

static struct sk_buff *lsp_to_skb(struct sqn_lsp_packet *lsp_packet) /* RX */
{
	struct sqn_eth_header eth_header = {
		.len = htons(sizeof(struct sqn_lsp_packet))
	};

	struct sk_buff *skb =
		__dev_alloc_skb(sizeof(eth_header) + sizeof(struct sqn_lsp_packet)
				, GFP_ATOMIC | GFP_DMA);

	sqn_pr_enter();

	if (0 == skb)
		goto out;

	skb_reserve(skb, 2);

	memcpy(eth_header.dst_addr, g_lsp_device_mac, sizeof(g_lsp_device_mac));
	memcpy(eth_header.src_addr, g_lsp_host_mac, sizeof(g_lsp_host_mac));

	memcpy(skb->data, &eth_header, sizeof(eth_header));
	skb_put(skb, sizeof(eth_header));

	memcpy(skb->data + skb->len, lsp_packet, sizeof(struct sqn_lsp_packet));
	skb_put(skb, sizeof(struct sqn_lsp_packet));

	sqn_pr_leave();

out:
	return skb;

}


static struct sk_buff* construct_lsp_packet(u32 id, u32 param1, u32 param2)
{
	struct sqn_lsp_packet lsp_packet = {
		.thp_header = {
			.transport_version = 1
			, .flags = 1
			, .seq_number = 0
			, .ack_number = 0
		}
		, .lsp_header = {
			.id = htonl(id)
		}
	};

	struct sk_buff *skb = 0;

	sqn_pr_enter();

	switch (id) {
	case THSP_GET_MEDIA_CONNECTION_STATE:
		/* no parameters are needed */
		if (mmc_wimax_get_sdio_lsp_log())
			sqn_pr_info("TX LSP: THSP_GET_MEDIA_CONNECTION_STATE\n");
		lsp_packet.thp_header.length =
			htons(sizeof(struct sqn_lsp_header) - 4);
		lsp_packet.thp_header.total_length =
			htonl(sizeof(struct sqn_lsp_header) - 4);
		break;
	case THSP_SET_POWER_MODE:
		/* deprecated */
		if (mmc_wimax_get_sdio_lsp_log())
			sqn_pr_info("TX LSP: THSP_SET_POWER_MODE (deprecated)\n");
		break;
	case THSP_SET_HOST_POWER_MODE:
		lsp_packet.thp_header.length =
			htons(sizeof(struct sqn_lsp_header));
		lsp_packet.thp_header.total_length =
			htonl(sizeof(struct sqn_lsp_header));
		lsp_packet.lsp_header.u.host_power.tid = htonl(get_next_tid());
		lsp_packet.lsp_header.u.host_power.mode = htonl(param1);
		if (mmc_wimax_get_sdio_lsp_log()) {
			sqn_pr_info("TX LSP: THSP_SET_HOST_POWER_MODE, tid: 0x%x, mode: %d\n"
				, ntohl(lsp_packet.lsp_header.u.host_power.tid)
				, param1);
		}
		break;
	case THSP_SET_FW_POWER_MODE:
		lsp_packet.thp_header.length =
			htons(sizeof(struct sqn_lsp_header));
		lsp_packet.thp_header.total_length =
			htonl(sizeof(struct sqn_lsp_header));
		lsp_packet.lsp_header.u.fw_power.tid = htonl(get_next_tid());
		lsp_packet.lsp_header.u.fw_power.mode = htonl(param1);
		if (mmc_wimax_get_sdio_lsp_log()) {
			sqn_pr_info("TX LSP: THSP_SET_FW_POWER_MODE, tid: 0x%x, mode: %d\n"
				, htonl(lsp_packet.lsp_header.u.fw_power.tid)
				, param1);
		}
		break;
	case THSP_SQN_STATE_CHANGE_REPLY:
		lsp_packet.thp_header.length =
			htons(sizeof(struct sqn_lsp_header) - 4);
		lsp_packet.thp_header.total_length =
			htonl(sizeof(struct sqn_lsp_header) - 4);
		lsp_packet.lsp_header.u.fw_state.tid = htonl(param1);
		if (mmc_wimax_get_sdio_lsp_log()) {
			sqn_pr_info("TX LSP: THSP_SQN_STATE_CHANGE_REPLY, tid: %xh\n"
				, param1);
		}
		break;
	case THSP_THP_AVAILABLE_REPLY:
		lsp_packet.thp_header.length =
			htons(sizeof(struct sqn_lsp_header));
		lsp_packet.thp_header.total_length =
			htonl(sizeof(struct sqn_lsp_header));
		lsp_packet.lsp_header.u.thp_avl.tid = htonl(param1);
		lsp_packet.lsp_header.u.thp_avl.reply = htonl(param2);
		if (mmc_wimax_get_sdio_lsp_log()) {
			sqn_pr_info("TX LSP: THSP_THP_AVAILABLE_REPLY, tid: 0x%x, reply: %d\n"
				, param1, param2);
		}
		break;
	default:
		if (mmc_wimax_get_sdio_lsp_log())
			sqn_pr_info("TX LSP: UNKNOWN\n");
	}

	skb = lsp_to_skb(&lsp_packet);

	sqn_pr_leave();

	return skb;
}