Merge pull request #215 from joakimeriksson/contrib/uipbuf
Uipbuf attributes and moving in transmission number into uipbuf attribute.
This commit is contained in:
commit
76d549fc00
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@ -200,18 +200,18 @@ platform_init_stage_three(void)
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cc2420_set_pan_addr(IEEE802154_PANID, shortaddr, longaddr);
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if(node_id > 0) {
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LOG_INFO("Node id is set to %u.\n", node_id);
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LOG_INFO("Node id: %u\n", node_id);
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} else {
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LOG_INFO("Node id is not set.\n");
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LOG_INFO("Node id: N/A\n");
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}
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#if NETSTACK_CONF_WITH_IPV6
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LOG_INFO("%s, radio channel %u, CCA threshold %i\n",
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LOG_INFO("%s, rf channel %u, CCA threshold %i\n",
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NETSTACK_MAC.name,
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CC2420_CONF_CHANNEL,
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CC2420_CONF_CCA_THRESH);
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#else /* NETSTACK_CONF_WITH_IPV6 */
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LOG_INFO("%s, radio channel %u\n",
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LOG_INFO("%s, rf channel %u\n",
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NETSTACK_MAC.name, CC2420_CONF_CHANNEL);
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#endif /* NETSTACK_CONF_WITH_IPV6 */
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@ -33,7 +33,10 @@ udp_rx_callback(struct simple_udp_connection *c,
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uint16_t datalen)
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{
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unsigned count = *(unsigned *)data;
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LOG_INFO("Received response %u from ", count);
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/* If tagging of traffic class is enabled tc will print number of
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transmission - otherwise it will be 0 */
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LOG_INFO("Received response %u (tc:%d) from ", count,
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uipbuf_get_attr(UIPBUF_ATTR_MAX_MAC_TRANSMISSIONS));
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LOG_INFO_6ADDR(sender_addr);
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LOG_INFO_("\n");
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}
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@ -61,6 +64,12 @@ PROCESS_THREAD(udp_client_process, ev, data)
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LOG_INFO("Sending request %u to ", count);
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LOG_INFO_6ADDR(&dag->dag_id);
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LOG_INFO_("\n");
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/* Set the number of transmissions to use for this packet -
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this can be used to create more reliable transmissions or
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less reliable than the default. Works end-to-end if
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UIP_CONF_TAG_TC_WITH_VARIABLE_RETRANSMISSIONS is set to 1.
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*/
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uipbuf_set_attr(UIPBUF_ATTR_MAX_MAC_TRANSMISSIONS, 1 + count % 5);
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simple_udp_sendto(&udp_conn, &count, sizeof(count), &dag->dag_id);
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count++;
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}
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@ -86,10 +86,8 @@ main(void)
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LOG_INFO("Starting " CONTIKI_VERSION_STRING "\n");
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LOG_INFO(" Net: ");
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LOG_INFO_("%s\n", NETSTACK_NETWORK.name);
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LOG_INFO(" MAC: ");
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LOG_INFO_("%s\n", NETSTACK_MAC.name);
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LOG_INFO(" Net: %s\n", NETSTACK_NETWORK.name);
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LOG_INFO(" MAC: %s\n", NETSTACK_MAC.name);
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netstack_init();
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@ -68,6 +68,7 @@
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#include "net/ipv6/tcpip.h"
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#include "net/ipv6/uip.h"
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#include "net/ipv6/uip-ds6.h"
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#include "net/ipv6/uipbuf.h"
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#include "net/ipv6/sicslowpan.h"
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#include "net/netstack.h"
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#include "net/packetbuf.h"
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@ -1504,17 +1505,6 @@ output(const linkaddr_t *localdest)
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set_packet_attrs();
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}
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#if UIP_WITH_VARIABLE_RETRANSMISSIONS
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{
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uint8_t traffic_class = (UIP_IP_BUF->vtc << 4) | (UIP_IP_BUF->tcflow >> 4);
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if(traffic_class & UIP_TC_MAC_TRANSMISSION_COUNTER_BIT) {
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uint8_t max_mac_transmissions = traffic_class & UIP_TC_MAC_TRANSMISSION_COUNTER_MASK;
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/* propagate the MAC transmission limit to lower layers */
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packetbuf_set_attr(PACKETBUF_ATTR_MAX_MAC_TRANSMISSIONS, max_mac_transmissions);
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}
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}
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#endif /* UIP_WITH_VARIABLE_RETRANSMISSIONS */
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/*
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* The destination address will be tagged to each outbound
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* packet. If the argument localdest is NULL, we are sending a
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@ -1528,6 +1518,10 @@ output(const linkaddr_t *localdest)
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LOG_INFO("output: sending packet len %d\n", uip_len);
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/* copy over the retransmission count from uipbuf attributes */
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packetbuf_set_attr(PACKETBUF_ATTR_MAX_MAC_TRANSMISSIONS,
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uipbuf_get_attr(UIPBUF_ATTR_MAX_MAC_TRANSMISSIONS));
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/* Try to compress the headers */
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#if SICSLOWPAN_COMPRESSION == SICSLOWPAN_COMPRESSION_IPV6
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compress_hdr_ipv6(&dest);
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@ -121,6 +121,19 @@ uint8_t
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tcpip_output(const uip_lladdr_t *a)
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{
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int ret;
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/* Tag Traffic Class if we are using TC for variable retrans */
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#if UIP_TAG_TC_WITH_VARIABLE_RETRANSMISSIONS
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if(uipbuf_get_attr(UIPBUF_ATTR_MAX_MAC_TRANSMISSIONS) !=
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UIP_MAX_MAC_TRANSMISSIONS_UNDEFINED) {
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LOG_INFO("Tagging TC with retrans: %d\n", uipbuf_get_attr(UIPBUF_ATTR_MAX_MAC_TRANSMISSIONS));
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/* Encapsulate the MAC transmission limit in the Traffic Class field */
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UIP_IP_BUF->vtc = 0x60 | (UIP_TC_MAC_TRANSMISSION_COUNTER_BIT >> 4);
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UIP_IP_BUF->tcflow =
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uipbuf_get_attr(UIPBUF_ATTR_MAX_MAC_TRANSMISSIONS) << 4;
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}
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#endif
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if(netstack_process_ip_callback(NETSTACK_IP_OUTPUT, (const linkaddr_t *)a) ==
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NETSTACK_IP_PROCESS) {
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ret = NETSTACK_NETWORK.output((const linkaddr_t *) a);
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@ -167,6 +180,19 @@ packet_input(void)
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{
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if(uip_len > 0) {
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check_for_tcp_syn();
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#if UIP_TAG_TC_WITH_VARIABLE_RETRANSMISSIONS
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{
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uint8_t traffic_class = (UIP_IP_BUF->vtc << 4) | (UIP_IP_BUF->tcflow >> 4);
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if(traffic_class & UIP_TC_MAC_TRANSMISSION_COUNTER_BIT) {
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uint8_t max_mac_transmissions = traffic_class & UIP_TC_MAC_TRANSMISSION_COUNTER_MASK;
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uipbuf_set_attr(UIPBUF_ATTR_MAX_MAC_TRANSMISSIONS, max_mac_transmissions);
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LOG_INFO("Received packet tagged with TC retrans: %d (%x)",
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max_mac_transmissions, traffic_class);
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}
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}
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#endif /* UIP_TAG_TC_WITH_VARIABLE_RETRANSMISSIONS */
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uip_input();
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if(uip_len > 0) {
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tcpip_ipv6_output();
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@ -80,6 +80,7 @@
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#include "net/ipv6/uipopt.h"
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#include "net/ipv6/uipbuf.h"
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/* For memcmp */
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#include <string.h>
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@ -820,18 +821,6 @@ CCIF void uip_send(const void *data, int len);
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*/
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#define uip_mss() (uip_conn->mss)
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/**
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* Set the maximal number of MAC transmissions.
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*
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* \hideinitializer
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*/
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#if UIP_WITH_VARIABLE_RETRANSMISSIONS
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#define uip_set_max_mac_transmissions(conn, value) ((conn)->max_mac_transmissions = (value))
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#else
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#define uip_set_max_mac_transmissions(conn, value)
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#endif
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/**
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* Set up a new UDP connection.
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*
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@ -1328,10 +1317,12 @@ extern uint16_t uip_urglen, uip_surglen;
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#define uip_clear_buf() { \
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uip_len = 0; \
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uip_ext_len = 0; \
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uipbuf_clear_attr();\
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}
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#else /*NETSTACK_CONF_WITH_IPV6*/
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#define uip_clear_buf() { \
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uip_len = 0; \
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uipbuf_clear_attr();\
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}
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#endif /*NETSTACK_CONF_WITH_IPV6*/
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@ -1365,10 +1356,6 @@ struct uip_conn {
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uint8_t timer; /**< The retransmission timer. */
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uint8_t nrtx; /**< The number of retransmissions for the last
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segment sent. */
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#if UIP_WITH_VARIABLE_RETRANSMISSIONS
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uint8_t max_mac_transmissions; /**< Number of max MAC-layer transmissions. */
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#endif
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uip_tcp_appstate_t appstate; /** The application state. */
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};
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@ -1405,10 +1392,6 @@ struct uip_udp_conn {
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uint16_t lport; /**< The local port number in network byte order. */
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uint16_t rport; /**< The remote port number in network byte order. */
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uint8_t ttl; /**< Default time-to-live. */
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#if UIP_WITH_VARIABLE_RETRANSMISSIONS
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uint8_t max_mac_transmissions; /**< Number of max MAC-layer transmissions. */
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#endif
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/** The application state. */
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uip_udp_appstate_t appstate;
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};
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@ -508,9 +508,6 @@ uip_connect(const uip_ipaddr_t *ripaddr, uint16_t rport)
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conn->rto = UIP_RTO;
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conn->sa = 0;
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conn->sv = 16; /* Initial value of the RTT variance. */
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#if UIP_WITH_VARIABLE_RETRANSMISSIONS
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conn->max_mac_transmissions = UIP_MAX_MAC_TRANSMISSIONS_UNDEFINED;
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#endif
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conn->lport = uip_htons(lastport);
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conn->rport = rport;
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uip_ipaddr_copy(&conn->ripaddr, ripaddr);
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@ -584,9 +581,6 @@ uip_udp_new(const uip_ipaddr_t *ripaddr, uint16_t rport)
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uip_ipaddr_copy(&conn->ripaddr, ripaddr);
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}
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conn->ttl = uip_ds6_if.cur_hop_limit;
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#if UIP_WITH_VARIABLE_RETRANSMISSIONS
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conn->max_mac_transmissions = UIP_MAX_MAC_TRANSMISSIONS_UNDEFINED;
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#endif
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return conn;
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}
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@ -1578,14 +1572,6 @@ uip_process(uint8_t flag)
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UIP_IP_BUF->vtc = 0x60;
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UIP_IP_BUF->tcflow = 0x00;
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#if UIP_WITH_VARIABLE_RETRANSMISSIONS
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if(uip_udp_conn->max_mac_transmissions != UIP_MAX_MAC_TRANSMISSIONS_UNDEFINED) {
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/* Encapsulate the MAC transmission limit in the Traffic Class field */
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UIP_IP_BUF->vtc = 0x60 | (UIP_TC_MAC_TRANSMISSION_COUNTER_BIT >> 4);
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UIP_IP_BUF->tcflow = uip_udp_conn->max_mac_transmissions << 4;
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}
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#endif /* UIP_WITH_VARIABLE_RETRANSMISSIONS */
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UIP_IP_BUF->ttl = uip_udp_conn->ttl;
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UIP_IP_BUF->proto = UIP_PROTO_UDP;
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@ -2292,13 +2278,6 @@ uip_process(uint8_t flag)
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UIP_IP_BUF->vtc = 0x60;
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UIP_IP_BUF->tcflow = 0x00;
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#if UIP_WITH_VARIABLE_RETRANSMISSIONS
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if(uip_connr->max_mac_transmissions != UIP_MAX_MAC_TRANSMISSIONS_UNDEFINED) {
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/* Encapsulate the MAC transmission limit in the Traffic Class field */
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UIP_IP_BUF->vtc = 0x60 | (UIP_TC_MAC_TRANSMISSION_COUNTER_BIT >> 4);
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UIP_IP_BUF->tcflow = uip_connr->max_mac_transmissions << 4;
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}
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#endif /* UIP_WITH_VARIABLE_RETRANSMISSIONS */
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uip_ipaddr_copy(&UIP_IP_BUF->destipaddr, &uip_connr->ripaddr);
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uip_ds6_select_src(&UIP_IP_BUF->srcipaddr, &UIP_IP_BUF->destipaddr);
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@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2017, RISE SICS
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* Copyright (c) 2017, RISE SICS, Yanzi Networks
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -31,7 +31,14 @@
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*/
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#include "contiki.h"
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#include "uip.h"
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#include "net/ipv6/uipbuf.h"
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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static uint16_t uipbuf_attrs[UIPBUF_ATTR_MAX];
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/*---------------------------------------------------------------------------*/
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/* Get the next header given the buffer - start indicates that this is
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start of the IPv6 header - needs to be set to 0 when in an ext hdr */
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uint8_t*
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@ -54,7 +61,7 @@ uipbuf_get_next_header(uint8_t *buffer, uint16_t size, uint8_t *protocol, uint8_
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return buffer + ext_len;
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}
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}
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/*---------------------------------------------------------------------------*/
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/* Get the final header given the buffer - that is assumed to be at start
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of an IPv6 header */
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uint8_t*
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@ -69,3 +76,58 @@ uipbuf_get_last_header(uint8_t *buffer, uint16_t size, uint8_t *protocol)
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}
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return nbuf;
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}
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/*---------------------------------------------------------------------------*/
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/**
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* Common functions for uipbuf (attributes, etc).
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*
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*/
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/*---------------------------------------------------------------------------*/
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uint16_t
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uipbuf_get_attr(uint8_t type)
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{
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if(type < UIPBUF_ATTR_MAX) {
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return uipbuf_attrs[type];
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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int
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uipbuf_set_attr(uint8_t type, uint16_t value)
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{
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if(type < UIPBUF_ATTR_MAX) {
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uipbuf_attrs[type] = value;
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return 1;
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}
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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void
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uipbuf_clear_attr(void)
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{
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/* set everything to "zero" */
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memset(uipbuf_attrs, 0, sizeof(uipbuf_attrs));
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/* And initialize anything that should be initialized */
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uipbuf_set_attr(UIPBUF_ATTR_MAX_MAC_TRANSMISSIONS,
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UIP_MAX_MAC_TRANSMISSIONS_UNDEFINED);
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}
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/*---------------------------------------------------------------------------*/
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void
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uipbuf_set_attr_flag(uint16_t flag)
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{
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/* Assume only 16-bits for flags now */
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uipbuf_attrs[UIPBUF_ATTR_FLAGS] |= flag;
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}
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/*---------------------------------------------------------------------------*/
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void
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uipbuf_clr_attr_flag(uint16_t flag)
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{
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uipbuf_attrs[UIPBUF_ATTR_FLAGS] &= ~flag;
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}
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/*---------------------------------------------------------------------------*/
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uint16_t
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uipbuf_is_attr_flag(uint16_t flag)
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{
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return (uipbuf_attrs[UIPBUF_ATTR_FLAGS] & flag) > 0;
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}
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/*---------------------------------------------------------------------------*/
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|
|
|
@ -1,5 +1,5 @@
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/*
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* Copyright (c) 2017, RISE SICS
|
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* Copyright (c) 2017, RISE SICS, Yanzi Networks
|
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* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
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|
@ -30,6 +30,9 @@
|
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*
|
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*/
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#ifndef UIPBUF_H_
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#define UIPBUF_H_
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#include "contiki.h"
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/* Get the next header given the buffer - start indicates that this is
|
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|
@ -39,3 +42,27 @@ uint8_t* uipbuf_get_next_header(uint8_t *buffer, uint16_t size, uint8_t *protoco
|
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/* Get the final header given the buffer - that is assumed to be at start
|
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of an IPv6 header */
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uint8_t* uipbuf_get_last_header(uint8_t *buffer, uint16_t size, uint8_t *protocol);
|
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/* Attributes relating to the current packet in uipbuf */
|
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uint16_t uipbuf_get_attr(uint8_t type);
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void uipbuf_set_attr_flag(uint16_t flag);
|
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void uipbuf_clr_attr_flag(uint16_t flag);
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uint16_t uipbuf_is_attr_flag(uint16_t flag);
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int uipbuf_set_attr(uint8_t type, uint16_t value);
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void uipbuf_clear_attr(void);
|
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/* These flags will be used for being */
|
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#define UIPBUF_ATTR_FLAGS_6LOWPAN_NO_NHC_COMPRESSION 0x01
|
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#define UIPBUF_ATTR_FLAGS_6LOWPAN_NO_PREFIX_COMPRESSION 0x02
|
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|
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enum {
|
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UIPBUF_ATTR_LLSEC_LEVEL,
|
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UIPBUF_ATTR_LLSEC_KEY_ID,
|
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UIPBUF_ATTR_INTERFACE_ID,
|
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UIPBUF_ATTR_PHYSICAL_NETWORK_ID,
|
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UIPBUF_ATTR_MAX_MAC_TRANSMISSIONS,
|
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UIPBUF_ATTR_FLAGS,
|
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UIPBUF_ATTR_MAX
|
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};
|
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|
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#endif /* UIPBUF_H_ */
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|
|
|
@ -518,22 +518,6 @@ void uip_log(char *msg);
|
|||
|
||||
#define UIP_DEFAULT_PREFIX_LEN 64
|
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|
||||
/**
|
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* Enables selection of maximal MAC-layer transmission count at application layer
|
||||
*/
|
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#ifdef UIP_CONF_WITH_VARIABLE_RETRANSMISSIONS
|
||||
#define UIP_WITH_VARIABLE_RETRANSMISSIONS UIP_CONF_WITH_VARIABLE_RETRANSMISSIONS
|
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#else
|
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#define UIP_WITH_VARIABLE_RETRANSMISSIONS 0
|
||||
#endif
|
||||
|
||||
/**
|
||||
* This is the default value of MAC-layer transmissons for uIPv6
|
||||
*
|
||||
* It means that the limit is selected by the MAC protocol instead of uIPv6.
|
||||
*/
|
||||
#define UIP_MAX_MAC_TRANSMISSIONS_UNDEFINED 0
|
||||
|
||||
/**
|
||||
* The MAC-layer transmissons limit is encapslated in "Traffic Class" field
|
||||
*
|
||||
|
@ -547,6 +531,19 @@ void uip_log(char *msg);
|
|||
*/
|
||||
#define UIP_TC_MAC_TRANSMISSION_COUNTER_MASK 0x3F
|
||||
|
||||
#ifdef UIP_CONF_TAG_TC_WITH_VARIABLE_RETRANSMISSIONS
|
||||
#define UIP_TAG_TC_WITH_VARIABLE_RETRANSMISSIONS UIP_CONF_TAG_TC_WITH_VARIABLE_RETRANSMISSIONS
|
||||
#else
|
||||
#define UIP_TAG_TC_WITH_VARIABLE_RETRANSMISSIONS 0
|
||||
#endif
|
||||
|
||||
/**
|
||||
* This is the default value of MAC-layer transmissons for uIPv6
|
||||
*
|
||||
* It means that the limit is selected by the MAC protocol instead of uIPv6.
|
||||
*/
|
||||
#define UIP_MAX_MAC_TRANSMISSIONS_UNDEFINED 0
|
||||
|
||||
/** @} */
|
||||
|
||||
/*------------------------------------------------------------------------------*/
|
||||
|
|
|
@ -506,15 +506,11 @@ csma_output_packet(mac_callback_t sent, void *ptr)
|
|||
if(q->buf != NULL) {
|
||||
struct qbuf_metadata *metadata = (struct qbuf_metadata *)q->ptr;
|
||||
/* Neighbor and packet successfully allocated */
|
||||
#if UIP_WITH_VARIABLE_RETRANSMISSIONS
|
||||
metadata->max_transmissions = packetbuf_attr(PACKETBUF_ATTR_MAX_MAC_TRANSMISSIONS);
|
||||
if(metadata->max_transmissions == 0) {
|
||||
/* If not set by the application, use the default CSMA value */
|
||||
metadata->max_transmissions = CSMA_MAX_FRAME_RETRIES + 1;
|
||||
}
|
||||
#else
|
||||
metadata->max_transmissions = CSMA_MAX_FRAME_RETRIES + 1;
|
||||
#endif
|
||||
metadata->sent = sent;
|
||||
metadata->cptr = ptr;
|
||||
list_add(n->packet_queue, q);
|
||||
|
|
|
@ -1007,9 +1007,7 @@ send_packet(mac_callback_t sent, void *ptr)
|
|||
packetbuf_set_addr(PACKETBUF_ADDR_SENDER, &linkaddr_node_addr);
|
||||
#endif
|
||||
|
||||
#if UIP_WITH_VARIABLE_RETRANSMISSIONS
|
||||
max_transmissions = packetbuf_attr(PACKETBUF_ATTR_MAX_MAC_TRANSMISSIONS);
|
||||
#endif
|
||||
if(max_transmissions == 0) {
|
||||
/* If not set by the application, use the default TSCH value */
|
||||
max_transmissions = TSCH_MAC_MAX_FRAME_RETRIES + 1;
|
||||
|
|
|
@ -217,9 +217,7 @@ enum {
|
|||
PACKETBUF_ATTR_LINK_QUALITY,
|
||||
PACKETBUF_ATTR_RSSI,
|
||||
PACKETBUF_ATTR_TIMESTAMP,
|
||||
#if UIP_WITH_VARIABLE_RETRANSMISSIONS
|
||||
PACKETBUF_ATTR_MAX_MAC_TRANSMISSIONS,
|
||||
#endif /* UIP_WITH_VARIABLE_RETRANSMISSIONS */
|
||||
PACKETBUF_ATTR_MAC_SEQNO,
|
||||
PACKETBUF_ATTR_MAC_ACK,
|
||||
PACKETBUF_ATTR_MAC_METADATA,
|
||||
|
|
Loading…
Reference in New Issue