}
/**
- * cxgb3i_ddp_find_page_index - return ddp page index for a given page size.
+ * cxgb3i_ddp_find_page_index - return ddp page index for a given page size
* @pgsz: page size
* return the ddp page index, if no match is found return DDP_PGIDX_MAX.
*/
* @tdev: t3cdev adapter
* @tid: connection id
* @tformat: tag format
- * @tagp: the s/w tag, if ddp setup is successful, it will be updated with
- * ddp/hw tag
+ * @tagp: contains s/w tag initially, will be updated with ddp/hw tag
* @gl: the page momory list
* @gfp: allocation mode
*
}
/**
- * cxgb3i_sw_tag_usable - check if a given s/w tag has enough bits left for
- * the reserved/hw bits
+ * cxgb3i_sw_tag_usable - check if s/w tag has enough bits left for hw bits
* @tformat: tag format information
* @sw_tag: s/w tag to be checked
*
- * return true if the tag is a ddp tag, false otherwise.
+ * return true if the tag can be used for hw ddp tag, false otherwise.
*/
static inline int cxgb3i_sw_tag_usable(struct cxgb3i_tag_format *tformat,
u32 sw_tag)
}
/**
- * cxgb3i_ddp_tag_base - shift the s/w tag bits so that reserved bits are not
- * used.
+ * cxgb3i_ddp_tag_base - shift s/w tag bits so that reserved bits are not used
* @tformat: tag format information
* @sw_tag: s/w tag to be checked
*/
}
/**
- * cxgb3i_adapter_remove - release all the resources held and cleanup any
- * h/w settings
+ * cxgb3i_adapter_remove - release the resources held and cleanup h/w settings
* @t3dev: t3cdev adapter
*/
void cxgb3i_adapter_remove(struct t3cdev *t3dev)
}
/**
- * cxgb3i_hba_find_by_netdev - find the cxgb3i_hba structure with a given
- * net_device
+ * cxgb3i_hba_find_by_netdev - find the cxgb3i_hba structure via net_device
* @t3dev: t3cdev adapter
*/
struct cxgb3i_hba *cxgb3i_hba_find_by_netdev(struct net_device *ndev)
}
/**
- * cxgb3i_conn_max_xmit_dlength -- check the max. xmit pdu segment size,
- * reduce it to be within the hardware limit if needed
+ * cxgb3i_conn_max_xmit_dlength -- calc the max. xmit pdu segment size
* @conn: iscsi connection
+ * check the max. xmit pdu payload, reduce it if needed
*/
static inline int cxgb3i_conn_max_xmit_dlength(struct iscsi_conn *conn)
}
/**
- * cxgb3i_conn_max_recv_dlength -- check the max. recv pdu segment size against
- * the hardware limit
+ * cxgb3i_conn_max_recv_dlength -- check the max. recv pdu segment size
* @conn: iscsi connection
* return 0 if the value is valid, < 0 otherwise.
*/
/**
* cxgb3i_reserve_itt - generate tag for a give task
- * Try to set up ddp for a scsi read task.
* @task: iscsi task
* @hdr_itt: tag, filled in by this function
+ * Set up ddp for scsi read tasks if possible.
*/
int cxgb3i_reserve_itt(struct iscsi_task *task, itt_t *hdr_itt)
{
/**
* cxgb3i_release_itt - release the tag for a given task
- * if the tag is a ddp tag, release the ddp setup
* @task: iscsi task
* @hdr_itt: tag
+ * If the tag is a ddp tag, release the ddp setup
*/
void cxgb3i_release_itt(struct iscsi_task *task, itt_t hdr_itt)
{