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PPSi
Commit 7a5377a9 authored by Alessandro Rubini's avatar Alessandro Rubini Committed by Aurelio Colosimo
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posix-socket: bind to multicast mac address

parent 879ad56f
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Showing with 12 additions and 2 deletions
arch-gnu-linux/posix-socket.c
View file @ 7a5377a9
......@@ -148,9 +148,9 @@ int posix_send_packet(struct pp_instance *ppi, void *pkt, int len, int chtype,
hdr = PROTO_HDR(pkt);
hdr->h_proto = htons(ETH_P_1588);
memcpy(hdr->h_dest, "\x01\x1B\x19\x00\x00\x00", 6);
memcpy(hdr->h_dest, PP_MCAST_MACADDRESS, ETH_ALEN);
/* raw socket implementation always uses gen socket */
memcpy(hdr->h_source, NP(ppi)->ch[PP_NP_GEN].addr, 6);
memcpy(hdr->h_source, NP(ppi)->ch[PP_NP_GEN].addr, ETH_ALEN);
return send(NP(ppi)->ch[PP_NP_GEN].fd, hdr,
len + NP(ppi)->proto_ofst, 0);
}
......@@ -187,6 +187,7 @@ int posix_open_ch(struct pp_instance *ppi, char *ifname, int chtype)
struct sockaddr_in addr;
struct sockaddr_ll addr_ll;
struct ip_mreq imr;
struct packet_mreq pmr;
char addr_str[INET_ADDRSTRLEN];
if (OPTS(ppi)->ethernet_mode) {
......@@ -229,6 +230,15 @@ int posix_open_ch(struct pp_instance *ppi, char *ifname, int chtype)
return -1;
}
/* accept the multicast address for raw-ethernet ptp */
memset(&pmr, 0, sizeof(pmr));
pmr.mr_ifindex = iindex;
pmr.mr_type = PACKET_MR_MULTICAST;
pmr.mr_alen = ETH_ALEN;
memcpy(pmr.mr_address, PP_MCAST_MACADDRESS, ETH_ALEN);
setsockopt(sock, SOL_PACKET, PACKET_ADD_MEMBERSHIP,
&pmr, sizeof(pmr)); /* lazily ignore errors */
NP(ppi)->ch[chtype].fd = sock;
return 0;
}
......
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