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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
#include "rpl_structs.h"
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// Disallow links with greater than 4 expected
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// transmission counts on the selected path.
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#define MAX_LINK_METRIC (512)
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// Disallow paths with greater than 256
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// expected transmission counts.
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#define MAX_PATH_COST (0x8000)
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// Switch to a new path only if it is
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// expected to require at least 1.5 fewer transmissions than the
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// current path.
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#define PARENT_SWITCH_THRESHOLD (192)
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// If the preferred parent is not available, some more
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// candidate parents are still available without triggering a new
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// round of route discovery.
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#define PARENT_SET_SIZE (RPL_MAX_PARENTS)
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// Do not allow a node to become a floating root.
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#define ALLOW_FLOATING_ROOT (0)
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// While assigning Rank when using ETX, use the representation of ETX described
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// in [RFC6551], i.e., assign Rank equal to ETX * 128.
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#define ETX_RANK_MULTIPLIER (0x80)
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rpl_of_t *rpl_get_of_mrhof();
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uint16_t calc_rank();
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uint16_t calc_path_cost();
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uint16_t calc_etx_value();
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rpl_parent_t *which_parent(rpl_parent_t *, rpl_parent_t *);
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rpl_dodag_t *which_dodag(rpl_dodag_t *, rpl_dodag_t *);
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void reset(rpl_dodag_t *);
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//############################
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// OF specific structs #######
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//############################
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//neighbour struct for etx path calculation
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typedef struct mrhof_candidate_info_t {
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ipv6_addr_t addr;
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uint16_t packet_snt;
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uint16_t packet_rec;
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uint16_t cur_path_cost;
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uint16_t cur_etx;
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} mrhof_candidate_info_t;
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