dsi_packet Struct Reference
[DSI API for components]

packet descriptor More...

List of all members.

Public Attributes
l4_uint32_t	no
	packet number
volatile l4_uint16_t	flags
	packet flags
dsi_semaphore_t	tx_sem
	send semaphore counter (__get_send_packet())
dsi_semaphore_t	rx_sem
	receive semaphore counter (__get_receive_packet())
l4_uint64_t	expires
	expire time
l4_uint32_t	sg_len
	length of scatter gather list
l4_uint32_t	sg_list
l4_uint32_t	sg_idx

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Detailed Description

packet descriptor

Definition at line 62 of file types.h.

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Member Data Documentation

l4_uint32_t dsi_packet::sg_list

pointer to scatter gather list, it is an index to the scatter gather element array

Definition at line 72 of file types.h.

Referenced by __commit_receive_packet(), __get_send_packet(), __wakeup_and_copy(), __wakeup_and_map(), and dsi_packet_add_data().

l4_uint32_t dsi_packet::sg_idx

index in scatter gather list. Used in dsi_packet_add_data() to store the index of the last element in the list, in dsi_packet_get_data() to store the index of the next data area to get

Definition at line 74 of file types.h.

Referenced by __commit_receive_packet(), dsi_packet_add_data(), dsi_packet_get(), and dsi_packet_get_data().

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The documentation for this struct was generated from the following file:

• types.h