diff --git a/raw.c b/raw.c index 7c492db..5ea1e1c 100644 --- a/raw.c +++ b/raw.c @@ -45,7 +45,8 @@ struct raw { struct transport t; - struct eth_addr addr; + struct eth_addr ptp_addr; + struct eth_addr p2p_addr; }; #define OP_AND (BPF_ALU | BPF_AND | BPF_K) @@ -70,9 +71,9 @@ static struct sock_filter raw_filter[N_RAW_FILTER] = { }; static int raw_configure(int fd, int event, int index, - unsigned char *addr, int enable) + unsigned char *addr1, unsigned char *addr2, int enable) { - int filter_test, option; + int err1, err2, filter_test, option; struct packet_mreq mreq; struct sock_fprog prg = { N_RAW_FILTER, raw_filter }; @@ -95,11 +96,20 @@ static int raw_configure(int fd, int event, int index, mreq.mr_ifindex = index; mreq.mr_type = PACKET_MR_MULTICAST; mreq.mr_alen = 6; - memcpy(mreq.mr_address, addr, 6); - if (!setsockopt(fd, SOL_PACKET, option, &mreq, sizeof(mreq))) { + memcpy(mreq.mr_address, addr1, 6); + + err1 = setsockopt(fd, SOL_PACKET, option, &mreq, sizeof(mreq)); + if (err1) + pr_warning("setsockopt PACKET_MR_MULTICAST failed: %m"); + + memcpy(mreq.mr_address, addr2, 6); + + err2 = setsockopt(fd, SOL_PACKET, option, &mreq, sizeof(mreq)); + if (err2) + pr_warning("setsockopt PACKET_MR_MULTICAST failed: %m"); + + if (!err1 && !err2) return 0; - } - pr_warning("setsockopt PACKET_MR_MULTICAST failed: %m"); mreq.mr_ifindex = index; mreq.mr_type = PACKET_MR_ALLMULTI; @@ -129,6 +139,7 @@ static int raw_close(struct transport *t, struct fdarray *fda) } static unsigned char ptp_dst_mac[MAC_LEN] = { PTP_DST_MAC }; +static unsigned char p2p_dst_mac[MAC_LEN] = { P2P_DST_MAC }; static int open_socket(char *name, int event) { @@ -156,7 +167,7 @@ static int open_socket(char *name, int event) pr_err("setsockopt SO_BINDTODEVICE failed: %m"); goto no_option; } - if (raw_configure(fd, event, index, ptp_dst_mac, 1)) + if (raw_configure(fd, event, index, ptp_dst_mac, p2p_dst_mac, 1)) goto no_option; return fd; @@ -172,11 +183,14 @@ static int raw_open(struct transport *t, char *name, struct raw *raw = container_of(t, struct raw, t); int efd, gfd; - memcpy(raw->addr.dst, ptp_dst_mac, MAC_LEN); + memcpy(raw->ptp_addr.dst, ptp_dst_mac, MAC_LEN); + memcpy(raw->p2p_addr.dst, p2p_dst_mac, MAC_LEN); - if (sk_interface_macaddr(name, raw->addr.src, MAC_LEN)) + if (sk_interface_macaddr(name, raw->ptp_addr.src, MAC_LEN)) goto no_mac; + memcpy(raw->p2p_addr.src, raw->ptp_addr.src, MAC_LEN); + efd = open_socket(name, 1); if (efd < 0) goto no_event; @@ -223,7 +237,11 @@ static int raw_send(struct transport *t, struct fdarray *fda, int event, int pee len += sizeof(*hdr); hdr = (struct eth_hdr *) ptr; - memcpy(&hdr->mac, &raw->addr, sizeof(hdr->mac)); + if (peer) + memcpy(&hdr->mac, &raw->p2p_addr, sizeof(hdr->mac)); + else + memcpy(&hdr->mac, &raw->ptp_addr, sizeof(hdr->mac)); + hdr->type = htons(ETH_P_1588); cnt = send(fd, ptr, len, 0);