diff options
Diffstat (limited to 'babeld')
-rw-r--r-- | babeld/message.c | 136 | ||||
-rw-r--r-- | babeld/neighbour.c | 67 |
2 files changed, 83 insertions, 120 deletions
diff --git a/babeld/message.c b/babeld/message.c index f854932..1b83eb9 100644 --- a/babeld/message.c +++ b/babeld/message.c @@ -139,7 +139,7 @@ static bool parse_update_subtlv(const unsigned char *a, int alen, return false; } - if (type & SUBTLV_MANDATORY) { + if (CHECK_FLAG(type, SUBTLV_MANDATORY)) { /* * RFC 8966 - 4.4 * If the mandatory bit is set, then the whole enclosing @@ -162,8 +162,7 @@ static bool parse_update_subtlv(const unsigned char *a, int alen, } if (memchr(a + i + 2, 0, len) != NULL) { /* 0 is reserved. */ - flog_err(EC_BABEL_PACKET, - "Channel information contains 0!"); + flog_err(EC_BABEL_PACKET, "Channel information contains 0!"); return false; } memset(channels, 0, DIVERSITY_HOPS); @@ -203,7 +202,7 @@ parse_hello_subtlv(const unsigned char *a, int alen, return -1; } - if (type & SUBTLV_MANDATORY) { + if (CHECK_FLAG(type, SUBTLV_MANDATORY)) { /* * RFC 8966 4.4 * If the mandatory bit is set, then the whole enclosing @@ -417,7 +416,7 @@ parse_packet(const unsigned char *from, struct interface *ifp, unsigned int hello_send_us = 0, hello_rtt_receive_time = 0; babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); - if(babel_ifp->flags & BABEL_IF_TIMESTAMPS) { + if (CHECK_FLAG(babel_ifp->flags, BABEL_IF_TIMESTAMPS)) { /* We want to track exactly when we received this packet. */ gettime(&babel_now); } @@ -513,8 +512,7 @@ parse_packet(const unsigned char *from, struct interface *ifp, schedule_neighbours_check(interval * 15, 0); /* Sub-TLV handling. */ if (len > 8) { - if (parse_hello_subtlv(message + 8, len - 6, - ×tamp) > 0) { + if (parse_hello_subtlv(message + 8, len - 6, ×tamp) > 0) { neigh->hello_send_us = timestamp; neigh->hello_rtt_receive_time = babel_now; have_hello_rtt = 1; @@ -554,8 +552,7 @@ parse_packet(const unsigned char *from, struct interface *ifp, } else if(type == MESSAGE_NH) { unsigned char nh[16]; int rc; - rc = network_address(message[2], message + 4, len - 2, - nh); + rc = network_address(message[2], message + 4, len - 2, nh); if(rc <= 0) { have_v4_nh = 0; have_v6_nh = 0; @@ -577,9 +574,9 @@ parse_packet(const unsigned char *from, struct interface *ifp, unsigned char channels[DIVERSITY_HOPS]; unsigned short interval, seqno, metric; int rc, parsed_len; - bool ignore_update = false; + bool ignore_update = false; - DO_NTOHS(interval, message + 6); + DO_NTOHS(interval, message + 6); DO_NTOHS(seqno, message + 8); DO_NTOHS(metric, message + 10); if(message[5] == 0 || @@ -651,7 +648,7 @@ parse_packet(const unsigned char *from, struct interface *ifp, goto done; } - if((babel_get_if_nfo(ifp)->flags & BABEL_IF_FARAWAY)) { + if(CHECK_FLAG(babel_get_if_nfo(ifp)->flags, BABEL_IF_FARAWAY)) { channels[0] = 0; } else { /* This will be overwritten by parse_update_subtlv below. */ @@ -665,15 +662,14 @@ parse_packet(const unsigned char *from, struct interface *ifp, } if(parsed_len < len) - ignore_update = - parse_update_subtlv(message + 2 + parsed_len, - len - parsed_len, channels); + ignore_update = + parse_update_subtlv(message + 2 + parsed_len, + len - parsed_len, channels); } if (!ignore_update) update_route(router_id, prefix, plen, seqno, metric, - interval, neigh, nh, channels, - channels_len(channels)); + interval, neigh, nh, channels, channels_len(channels)); } else if(type == MESSAGE_REQUEST) { unsigned char prefix[16], src_prefix[16], plen, src_plen; int rc, is_ss; @@ -738,8 +734,7 @@ parse_packet(const unsigned char *from, struct interface *ifp, format_prefix(prefix, plen), format_address(from), ifp->name, format_eui64(message + 8), seqno); - handle_request(neigh, prefix, plen, message[6], - seqno, message + 8); + handle_request(neigh, prefix, plen, message[6], seqno, message + 8); } else { debugf(BABEL_DEBUG_COMMON,"Received unknown packet type %d from %s on %s.", type, format_address(from), ifp->name); @@ -821,11 +816,10 @@ check_bucket(struct interface *ifp) } } -static int -fill_rtt_message(struct interface *ifp) +static int fill_rtt_message(struct interface *ifp) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); - if((babel_ifp->flags & BABEL_IF_TIMESTAMPS) && + if(CHECK_FLAG(babel_ifp->flags, BABEL_IF_TIMESTAMPS) && (babel_ifp->buffered_hello >= 0)) { if(babel_ifp->sendbuf[babel_ifp->buffered_hello + 8] == SUBTLV_PADN && babel_ifp->sendbuf[babel_ifp->buffered_hello + 9] == 4) { @@ -845,8 +839,7 @@ fill_rtt_message(struct interface *ifp) return 0; } -void -flushbuf(struct interface *ifp) +void flushbuf(struct interface *ifp) { int rc; struct sockaddr_in6 sin6; @@ -888,8 +881,7 @@ flushbuf(struct interface *ifp) babel_ifp->flush_timeout.tv_usec = 0; } -static void -schedule_flush(struct interface *ifp) +static void schedule_flush(struct interface *ifp) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); unsigned msecs = jitter(babel_ifp, 0); @@ -899,8 +891,7 @@ schedule_flush(struct interface *ifp) set_timeout(&babel_ifp->flush_timeout, msecs); } -static void -schedule_flush_now(struct interface *ifp) +static void schedule_flush_now(struct interface *ifp) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); /* Almost now */ @@ -911,8 +902,7 @@ schedule_flush_now(struct interface *ifp) set_timeout(&babel_ifp->flush_timeout, msecs); } -static void -schedule_unicast_flush(unsigned msecs) +static void schedule_unicast_flush(unsigned msecs) { if(!unicast_neighbour) return; @@ -924,16 +914,14 @@ schedule_unicast_flush(unsigned msecs) babel_now.tv_sec + (babel_now.tv_usec / 1000 + msecs) / 1000; } -static void -ensure_space(struct interface *ifp, int space) +static void ensure_space(struct interface *ifp, int space) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); if(babel_ifp->bufsize - babel_ifp->buffered < space) flushbuf(ifp); } -static void -start_message(struct interface *ifp, int type, int len) +static void start_message(struct interface *ifp, int type, int len) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); if(babel_ifp->bufsize - babel_ifp->buffered < len + 2) @@ -942,8 +930,7 @@ start_message(struct interface *ifp, int type, int len) babel_ifp->sendbuf[babel_ifp->buffered++] = len; } -static void -end_message(struct interface *ifp, int type, int bytes) +static void end_message(struct interface *ifp, int type, int bytes) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); assert(babel_ifp->buffered >= bytes + 2 && @@ -952,23 +939,20 @@ end_message(struct interface *ifp, int type, int bytes) schedule_flush(ifp); } -static void -accumulate_byte(struct interface *ifp, unsigned char value) +static void accumulate_byte(struct interface *ifp, unsigned char value) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); babel_ifp->sendbuf[babel_ifp->buffered++] = value; } -static void -accumulate_short(struct interface *ifp, unsigned short value) +static void accumulate_short(struct interface *ifp, unsigned short value) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); DO_HTONS(babel_ifp->sendbuf + babel_ifp->buffered, value); babel_ifp->buffered += 2; } -static void -accumulate_int(struct interface *ifp, unsigned int value) +static void accumulate_int(struct interface *ifp, unsigned int value) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); DO_HTONL(babel_ifp->sendbuf + babel_ifp->buffered, value); @@ -984,8 +968,7 @@ accumulate_bytes(struct interface *ifp, babel_ifp->buffered += len; } -static int -start_unicast_message(struct neighbour *neigh, int type, int len) +static int start_unicast_message(struct neighbour *neigh, int type, int len) { if(unicast_neighbour) { if(neigh != unicast_neighbour || @@ -1008,8 +991,7 @@ start_unicast_message(struct neighbour *neigh, int type, int len) return 1; } -static void -end_unicast_message(struct neighbour *neigh, int type, int bytes) +static void end_unicast_message(struct neighbour *neigh, int type, int bytes) { assert(unicast_neighbour == neigh && unicast_buffered >= bytes + 2 && unicast_buffer[unicast_buffered - bytes - 2] == type && @@ -1030,8 +1012,7 @@ accumulate_unicast_short(struct neighbour *neigh, unsigned short value) unicast_buffered += 2; } -static void -accumulate_unicast_int(struct neighbour *neigh, unsigned int value) +static void accumulate_unicast_int(struct neighbour *neigh, unsigned int value) { DO_HTONL(unicast_buffer + unicast_buffered, value); unicast_buffered += 4; @@ -1051,15 +1032,16 @@ send_ack(struct neighbour *neigh, unsigned short nonce, unsigned short interval) int rc; debugf(BABEL_DEBUG_COMMON,"Sending ack (%04x) to %s on %s.", nonce, format_address(neigh->address), neigh->ifp->name); - rc = start_unicast_message(neigh, MESSAGE_ACK, 2); if(rc < 0) return; + rc = start_unicast_message(neigh, MESSAGE_ACK, 2); + if(rc < 0) + return; accumulate_unicast_short(neigh, nonce); end_unicast_message(neigh, MESSAGE_ACK, 2); /* Roughly yields a value no larger than 3/2, so this meets the deadline */ schedule_unicast_flush(roughly(interval * 6)); } -void -send_hello_noupdate(struct interface *ifp, unsigned interval) +void send_hello_noupdate(struct interface *ifp, unsigned interval) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); /* This avoids sending multiple hellos in a single packet, which breaks @@ -1082,7 +1064,7 @@ send_hello_noupdate(struct interface *ifp, unsigned interval) accumulate_short(ifp, 0); accumulate_short(ifp, babel_ifp->hello_seqno); accumulate_short(ifp, interval > 0xFFFF ? 0xFFFF : interval); - if(babel_ifp->flags & BABEL_IF_TIMESTAMPS) { + if (CHECK_FLAG(babel_ifp->flags, BABEL_IF_TIMESTAMPS)) { /* Sub-TLV containing the local time of emission. We use a Pad4 sub-TLV, which we'll fill just before sending. */ accumulate_byte(ifp, SUBTLV_PADN); @@ -1090,11 +1072,10 @@ send_hello_noupdate(struct interface *ifp, unsigned interval) accumulate_int(ifp, 0); } end_message(ifp, MESSAGE_HELLO, - (babel_ifp->flags & BABEL_IF_TIMESTAMPS) ? 12 : 6); + CHECK_FLAG(babel_ifp->flags, BABEL_IF_TIMESTAMPS) ? 12 : 6); } -void -send_hello(struct interface *ifp) +void send_hello(struct interface *ifp) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); send_hello_noupdate(ifp, (babel_ifp->hello_interval + 9) / 10); @@ -1105,8 +1086,7 @@ send_hello(struct interface *ifp) send_marginal_ihu(ifp); } -void -flush_unicast(int dofree) +void flush_unicast(int dofree) { struct sockaddr_in6 sin6; int rc; @@ -1183,7 +1163,7 @@ really_send_update(struct interface *ifp, /* Worst case */ ensure_space(ifp, 20 + 12 + 28); - v4 = plen >= 96 && v4mapped(prefix); + v4 = (plen >= 96) && v4mapped(prefix); if(v4) { if(!babel_ifp->ipv4) @@ -1208,7 +1188,7 @@ really_send_update(struct interface *ifp, omit++; } if(!babel_ifp->have_buffered_prefix || plen >= 48) - flags |= 0x80; + SET_FLAG(flags, 0x80); real_prefix = prefix; real_plen = plen; } @@ -1216,7 +1196,7 @@ really_send_update(struct interface *ifp, if(!babel_ifp->have_buffered_id || memcmp(id, babel_ifp->buffered_id, 8) != 0) { if(real_plen == 128 && memcmp(real_prefix + 8, id, 8) == 0) { - flags |= 0x40; + SET_FLAG(flags, 0x40); } else { start_message(ifp, MESSAGE_ROUTER_ID, 10); accumulate_short(ifp, 0); @@ -1248,14 +1228,13 @@ really_send_update(struct interface *ifp, end_message(ifp, MESSAGE_UPDATE, 10 + (real_plen + 7) / 8 - omit + channels_size); - if(flags & 0x80) { + if (CHECK_FLAG(flags, 0x80)) { memcpy(babel_ifp->buffered_prefix, prefix, 16); babel_ifp->have_buffered_prefix = 1; } } -static int -compare_buffered_updates(const void *av, const void *bv) +static int compare_buffered_updates(const void *av, const void *bv) { const struct buffered_update *a = av, *b = bv; int rc, v4a, v4b, ma, mb; @@ -1288,8 +1267,7 @@ compare_buffered_updates(const void *av, const void *bv) return memcmp(a->prefix, b->prefix, 16); } -void -flushupdates(struct interface *ifp) +void flushupdates(struct interface *ifp) { babel_interface_nfo *babel_ifp = NULL; struct xroute *xroute; @@ -1299,7 +1277,7 @@ flushupdates(struct interface *ifp) int i; if(ifp == NULL) { - struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); + struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); struct interface *ifp_aux; FOR_ALL_INTERFACES(vrf, ifp_aux) flushupdates(ifp_aux); @@ -1372,7 +1350,7 @@ flushupdates(struct interface *ifp) if(metric < INFINITY) satisfy_request(route->src->prefix, route->src->plen, seqno, route->src->id, ifp); - if((babel_ifp->flags & BABEL_IF_SPLIT_HORIZON) && + if(CHECK_FLAG(babel_ifp->flags, BABEL_IF_SPLIT_HORIZON) && route->neigh->ifp == ifp) continue; @@ -1414,11 +1392,11 @@ flushupdates(struct interface *ifp) babel_ifp->update_flush_timeout.tv_usec = 0; } -static void -schedule_update_flush(struct interface *ifp, int urgent) +static void schedule_update_flush(struct interface *ifp, int urgent) { babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); unsigned msecs; + msecs = update_jitter(babel_ifp, urgent); if(babel_ifp->update_flush_timeout.tv_sec != 0 && timeval_minus_msec(&babel_ifp->update_flush_timeout, &babel_now) < msecs) @@ -1528,10 +1506,10 @@ send_update_resend(struct interface *ifp, record_resend(RESEND_UPDATE, prefix, plen, 0, NULL, NULL, resend_delay); } -void -send_wildcard_retraction(struct interface *ifp) +void send_wildcard_retraction(struct interface *ifp) { babel_interface_nfo *babel_ifp = NULL; + if(ifp == NULL) { struct vrf *vrf = vrf_lookup_by_id(VRF_DEFAULT); struct interface *ifp_aux; @@ -1557,14 +1535,12 @@ send_wildcard_retraction(struct interface *ifp) babel_ifp->have_buffered_id = 0; } -void -update_myseqno(void) +void update_myseqno(void) { myseqno = seqno_plus(myseqno, 1); } -void -send_self_update(struct interface *ifp) +void send_self_update(struct interface *ifp) { struct xroute_stream *xroutes; if(ifp == NULL) { @@ -1592,8 +1568,7 @@ send_self_update(struct interface *ifp) } } -void -send_ihu(struct neighbour *neigh, struct interface *ifp) +void send_ihu(struct neighbour *neigh, struct interface *ifp) { babel_interface_nfo *babel_ifp = NULL; int rxcost, interval; @@ -1645,7 +1620,7 @@ send_ihu(struct neighbour *neigh, struct interface *ifp) ll = linklocal(neigh->address); - if((babel_ifp->flags & BABEL_IF_TIMESTAMPS) && neigh->hello_send_us + if(CHECK_FLAG(babel_ifp->flags, BABEL_IF_TIMESTAMPS) && neigh->hello_send_us /* Checks whether the RTT data is not too old to be sent. */ && timeval_minus_msec(&babel_now, &neigh->hello_rtt_receive_time) < 1000000) { @@ -1700,14 +1675,13 @@ send_ihu(struct neighbour *neigh, struct interface *ifp) } /* Send IHUs to all marginal neighbours */ -void -send_marginal_ihu(struct interface *ifp) +void send_marginal_ihu(struct interface *ifp) { struct neighbour *neigh; FOR_ALL_NEIGHBOURS(neigh) { if(ifp && neigh->ifp != ifp) continue; - if(neigh->txcost >= 384 || (neigh->reach & 0xF000) != 0xF000) + if(neigh->txcost >= 384 || CHECK_FLAG(neigh->reach, 0xF000) != 0xF000) send_ihu(neigh, ifp); } } diff --git a/babeld/neighbour.c b/babeld/neighbour.c index 51e595a..65e613c 100644 --- a/babeld/neighbour.c +++ b/babeld/neighbour.c @@ -34,15 +34,13 @@ find_neighbour_nocreate(const unsigned char *address, struct interface *ifp) { struct neighbour *neigh; FOR_ALL_NEIGHBOURS(neigh) { - if(memcmp(address, neigh->address, 16) == 0 && - neigh->ifp == ifp) + if(memcmp(address, neigh->address, 16) == 0 && neigh->ifp == ifp) return neigh; } return NULL; } -void -flush_neighbour(struct neighbour *neigh) +void flush_neighbour(struct neighbour *neigh) { debugf(BABEL_DEBUG_COMMON,"Flushing neighbour %s (reach 0x%04x)", format_address(neigh->address), neigh->reach); @@ -102,8 +100,7 @@ find_neighbour(const unsigned char *address, struct interface *ifp) } /* Recompute a neighbour's rxcost. Return true if anything changed. */ -int -update_neighbour(struct neighbour *neigh, int hello, int hello_interval) +int update_neighbour(struct neighbour *neigh, int hello, int hello_interval) { int missed_hellos; int rc = 0; @@ -160,26 +157,26 @@ update_neighbour(struct neighbour *neigh, int hello, int hello_interval) if(hello >= 0) { neigh->hello_seqno = hello; neigh->reach >>= 1; - neigh->reach |= 0x8000; - if((neigh->reach & 0xFC00) != 0xFC00) + SET_FLAG(neigh->reach, 0x8000); + if(CHECK_FLAG(neigh->reach, 0xFC00) != 0xFC00) rc = 1; } /* Make sure to give neighbours some feedback early after association */ - if((neigh->reach & 0xBF00) == 0x8000) { + if(CHECK_FLAG(neigh->reach, 0xBF00) == 0x8000) { /* A new neighbour */ send_hello(neigh->ifp); } else { /* Don't send hellos, in order to avoid a positive feedback loop. */ - int a = (neigh->reach & 0xC000); - int b = (neigh->reach & 0x3000); + int a = CHECK_FLAG(neigh->reach, 0xC000); + int b = CHECK_FLAG(neigh->reach, 0x3000); if((a == 0xC000 && b == 0) || (a == 0 && b == 0x3000)) { /* Reachability is either 1100 or 0011 */ send_self_update(neigh->ifp); } } - if((neigh->reach & 0xFC00) == 0xC000) { + if(CHECK_FLAG(neigh->reach, 0xFC00) == 0xC000) { /* This is a newish neighbour, let's request a full route dump. We ought to avoid this when the network is dense */ send_unicast_request(neigh, NULL, 0); @@ -188,8 +185,7 @@ update_neighbour(struct neighbour *neigh, int hello, int hello_interval) return rc; } -static int -reset_txcost(struct neighbour *neigh) +static int reset_txcost(struct neighbour *neigh) { unsigned delay; @@ -199,9 +195,8 @@ reset_txcost(struct neighbour *neigh) return 0; /* If we're losing a lot of packets, we probably lost an IHU too */ - if(delay >= 180000 || (neigh->reach & 0xFFF0) == 0 || - (neigh->ihu_interval > 0 && - delay >= neigh->ihu_interval * 10U * 10U)) { + if (delay >= 180000 || CHECK_FLAG(neigh->reach, 0xFFF0) == 0 || + (neigh->ihu_interval > 0 && delay >= neigh->ihu_interval * 10U * 10U)) { neigh->txcost = INFINITY; neigh->ihu_time = babel_now; return 1; @@ -210,14 +205,12 @@ reset_txcost(struct neighbour *neigh) return 0; } -unsigned -neighbour_txcost(struct neighbour *neigh) +unsigned neighbour_txcost(struct neighbour *neigh) { return neigh->txcost; } -unsigned -check_neighbours(void) +unsigned check_neighbours(void) { struct neighbour *neigh; int changed, rc; @@ -253,21 +246,20 @@ check_neighbours(void) return msecs; } -unsigned -neighbour_rxcost(struct neighbour *neigh) +unsigned neighbour_rxcost(struct neighbour *neigh) { unsigned delay; unsigned short reach = neigh->reach; delay = timeval_minus_msec(&babel_now, &neigh->hello_time); - if((reach & 0xFFF0) == 0 || delay >= 180000) { + if(CHECK_FLAG(reach, 0xFFF0) == 0 || delay >= 180000) { return INFINITY; - } else if(babel_get_if_nfo(neigh->ifp)->flags & BABEL_IF_LQ) { + } else if (CHECK_FLAG(babel_get_if_nfo(neigh->ifp)->flags, BABEL_IF_LQ)) { int sreach = - ((reach & 0x8000) >> 2) + - ((reach & 0x4000) >> 1) + - (reach & 0x3FFF); + (CHECK_FLAG(reach, 0x8000) >> 2) + + (CHECK_FLAG(reach, 0x4000) >> 1) + + CHECK_FLAG(reach, 0x3FFF); /* 0 <= sreach <= 0x7FFF */ int cost = (0x8000 * babel_get_if_nfo(neigh->ifp)->cost) / (sreach + 1); /* cost >= interface->cost */ @@ -276,19 +268,18 @@ neighbour_rxcost(struct neighbour *neigh) return MIN(cost, INFINITY); } else { /* To lose one hello is a misfortune, to lose two is carelessness. */ - if((reach & 0xC000) == 0xC000) + if (CHECK_FLAG(reach, 0xC000) == 0xC000) return babel_get_if_nfo(neigh->ifp)->cost; - else if((reach & 0xC000) == 0) + else if (CHECK_FLAG(reach, 0xC000) == 0) return INFINITY; - else if((reach & 0x2000)) + else if (CHECK_FLAG(reach, 0x2000)) return babel_get_if_nfo(neigh->ifp)->cost; else return INFINITY; } } -unsigned -neighbour_rttcost(struct neighbour *neigh) +unsigned neighbour_rttcost(struct neighbour *neigh) { struct interface *ifp = neigh->ifp; babel_interface_nfo *babel_ifp = babel_get_if_nfo(ifp); @@ -304,15 +295,14 @@ neighbour_rttcost(struct neighbour *neigh) (unsigned long long)babel_ifp->max_rtt_penalty * (neigh->rtt - babel_ifp->rtt_min) / (babel_ifp->rtt_max - babel_ifp->rtt_min); - assert((tmp & 0x7FFFFFFF) == tmp); + assert(CHECK_FLAG(tmp, 0x7FFFFFFF) == tmp); return tmp; } else { return babel_ifp->max_rtt_penalty; } } -unsigned -neighbour_cost(struct neighbour *neigh) +unsigned neighbour_cost(struct neighbour *neigh) { unsigned a, b, cost; @@ -328,7 +318,7 @@ neighbour_cost(struct neighbour *neigh) if(b >= INFINITY) return INFINITY; - if(!(babel_get_if_nfo(neigh->ifp)->flags & BABEL_IF_LQ) + if (!CHECK_FLAG(babel_get_if_nfo(neigh->ifp)->flags, BABEL_IF_LQ) || (a < 256 && b < 256)) { cost = a; } else { @@ -347,8 +337,7 @@ neighbour_cost(struct neighbour *neigh) return MIN(cost, INFINITY); } -int -valid_rtt(struct neighbour *neigh) +int valid_rtt(struct neighbour *neigh) { return (timeval_minus_msec(&babel_now, &neigh->rtt_time) < 180000) ? 1 : 0; } |