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author | kib <kib@FreeBSD.org> | 2018-04-25 12:21:13 +0000 |
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committer | kib <kib@FreeBSD.org> | 2018-04-25 12:21:13 +0000 |
commit | ffe1520116d07f3014847c6ea1b79b753bc323ad (patch) | |
tree | 25511ea5bcc5f5c65a91d44d9aac73f580203661 /sbin | |
parent | 436a359371f7d1869d823ec4a96e82d316441103 (diff) | |
download | FreeBSD-src-ffe1520116d07f3014847c6ea1b79b753bc323ad.zip FreeBSD-src-ffe1520116d07f3014847c6ea1b79b753bc323ad.tar.gz |
MFC r331622:
Allow to specify PCP on packets not belonging to any VLAN.
Sponsored by: Mellanox Technologies
Diffstat (limited to 'sbin')
-rw-r--r-- | sbin/ifconfig/af_link.c | 123 | ||||
-rw-r--r-- | sbin/ifconfig/ifconfig.c | 28 |
2 files changed, 91 insertions, 60 deletions
diff --git a/sbin/ifconfig/af_link.c b/sbin/ifconfig/af_link.c index 0a40048..14d245b 100644 --- a/sbin/ifconfig/af_link.c +++ b/sbin/ifconfig/af_link.c @@ -58,70 +58,73 @@ static void link_status(int s __unused, const struct ifaddrs *ifa) { /* XXX no const 'cuz LLADDR is defined wrong */ - struct sockaddr_dl *sdl = (struct sockaddr_dl *) ifa->ifa_addr; + struct sockaddr_dl *sdl; char *ether_format, *format_char; + struct ifreq ifr; + int n, rc, sock_hw; + static const u_char laggaddr[6] = {0}; - if (sdl != NULL && sdl->sdl_alen > 0) { - if ((sdl->sdl_type == IFT_ETHER || - sdl->sdl_type == IFT_L2VLAN || - sdl->sdl_type == IFT_BRIDGE) && - sdl->sdl_alen == ETHER_ADDR_LEN) { - ether_format = ether_ntoa((struct ether_addr *)LLADDR(sdl)); - if (f_ether != NULL && strcmp(f_ether, "dash") == 0) { - for (format_char = strchr(ether_format, ':'); - format_char != NULL; - format_char = strchr(ether_format, ':')) - *format_char = '-'; - } - printf("\tether %s\n", ether_format); - } else { - int n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0; - - printf("\tlladdr %s\n", link_ntoa(sdl) + n); - } - /* Best-effort (i.e. failures are silent) to get original - * hardware address, as read by NIC driver at attach time. Only - * applies to Ethernet NICs (IFT_ETHER). However, laggX - * interfaces claim to be IFT_ETHER, and re-type their component - * Ethernet NICs as IFT_IEEE8023ADLAG. So, check for both. If - * the MAC is zeroed, then it's actually a lagg. - */ - if ((sdl->sdl_type == IFT_ETHER || - sdl->sdl_type == IFT_IEEE8023ADLAG) && - sdl->sdl_alen == ETHER_ADDR_LEN) { - struct ifreq ifr; - int sock_hw; - int rc; - static const u_char laggaddr[6] = {0}; - - strncpy(ifr.ifr_name, ifa->ifa_name, - sizeof(ifr.ifr_name)); - memcpy(&ifr.ifr_addr, ifa->ifa_addr, - sizeof(ifa->ifa_addr->sa_len)); - ifr.ifr_addr.sa_family = AF_LOCAL; - if ((sock_hw = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0) { - warn("socket(AF_LOCAL,SOCK_DGRAM)"); - return; - } - rc = ioctl(sock_hw, SIOCGHWADDR, &ifr); - close(sock_hw); - if (rc != 0) { - return; - } - if (memcmp(ifr.ifr_addr.sa_data, laggaddr, sdl->sdl_alen) == 0) { - return; - } - ether_format = ether_ntoa((const struct ether_addr *) - &ifr.ifr_addr.sa_data); - if (f_ether != NULL && strcmp(f_ether, "dash") == 0) { - for (format_char = strchr(ether_format, ':'); - format_char != NULL; - format_char = strchr(ether_format, ':')) - *format_char = '-'; - } - printf("\thwaddr %s\n", ether_format); + sdl = (struct sockaddr_dl *) ifa->ifa_addr; + if (sdl == NULL || sdl->sdl_alen == 0) + return; + + if ((sdl->sdl_type == IFT_ETHER || sdl->sdl_type == IFT_L2VLAN || + sdl->sdl_type == IFT_BRIDGE) && sdl->sdl_alen == ETHER_ADDR_LEN) { + ether_format = ether_ntoa((struct ether_addr *)LLADDR(sdl)); + if (f_ether != NULL && strcmp(f_ether, "dash") == 0) { + for (format_char = strchr(ether_format, ':'); + format_char != NULL; + format_char = strchr(ether_format, ':')) + *format_char = '-'; } + printf("\tether %s\n", ether_format); + } else { + n = sdl->sdl_nlen > 0 ? sdl->sdl_nlen + 1 : 0; + printf("\tlladdr %s\n", link_ntoa(sdl) + n); + } + + /* + * Best-effort (i.e. failures are silent) to get original + * hardware address, as read by NIC driver at attach time. Only + * applies to Ethernet NICs (IFT_ETHER). However, laggX + * interfaces claim to be IFT_ETHER, and re-type their component + * Ethernet NICs as IFT_IEEE8023ADLAG. So, check for both. If + * the MAC is zeroed, then it's actually a lagg. + */ + if ((sdl->sdl_type != IFT_ETHER && + sdl->sdl_type != IFT_IEEE8023ADLAG) || + sdl->sdl_alen != ETHER_ADDR_LEN) + return; + + strncpy(ifr.ifr_name, ifa->ifa_name, sizeof(ifr.ifr_name)); + memcpy(&ifr.ifr_addr, ifa->ifa_addr, sizeof(ifa->ifa_addr->sa_len)); + ifr.ifr_addr.sa_family = AF_LOCAL; + if ((sock_hw = socket(AF_LOCAL, SOCK_DGRAM, 0)) < 0) { + warn("socket(AF_LOCAL,SOCK_DGRAM)"); + return; } + rc = ioctl(sock_hw, SIOCGHWADDR, &ifr); + close(sock_hw); + if (rc != 0) + return; + + if (memcmp(ifr.ifr_addr.sa_data, laggaddr, sdl->sdl_alen) == 0) + goto pcp; + + ether_format = ether_ntoa((const struct ether_addr *) + &ifr.ifr_addr.sa_data); + if (f_ether != NULL && strcmp(f_ether, "dash") == 0) { + for (format_char = strchr(ether_format, ':'); + format_char != NULL; + format_char = strchr(ether_format, ':')) + *format_char = '-'; + } + printf("\thwaddr %s\n", ether_format); + +pcp: + if (ioctl(s, SIOCGLANPCP, (caddr_t)&ifr) == 0 && + ifr.ifr_lan_pcp != IFNET_PCP_NONE) + printf("\tpcp %d\n", ifr.ifr_lan_pcp); } static void diff --git a/sbin/ifconfig/ifconfig.c b/sbin/ifconfig/ifconfig.c index 5fe5923..a909f78 100644 --- a/sbin/ifconfig/ifconfig.c +++ b/sbin/ifconfig/ifconfig.c @@ -1078,6 +1078,32 @@ setifmtu(const char *val, int dummy __unused, int s, } static void +setifpcp(const char *val, int arg __unused, int s, const struct afswtch *afp) +{ + u_long ul; + char *endp; + + ul = strtoul(val, &endp, 0); + if (*endp != '\0') + errx(1, "invalid value for pcp"); + if (ul > 7) + errx(1, "value for pcp out of range"); + ifr.ifr_lan_pcp = ul; + if (ioctl(s, SIOCSLANPCP, (caddr_t)&ifr) == -1) + err(1, "SIOCSLANPCP"); +} + +static void +disableifpcp(const char *val, int arg __unused, int s, + const struct afswtch *afp) +{ + + ifr.ifr_lan_pcp = IFNET_PCP_NONE; + if (ioctl(s, SIOCSLANPCP, (caddr_t)&ifr) == -1) + err(1, "SIOCSLANPCP"); +} + +static void setifname(const char *val, int dummy __unused, int s, const struct afswtch *afp) { @@ -1434,6 +1460,8 @@ static struct cmd basic_cmds[] = { DEF_CMD("-txcsum", -IFCAP_TXCSUM, setifcap), DEF_CMD("netcons", IFCAP_NETCONS, setifcap), DEF_CMD("-netcons", -IFCAP_NETCONS, setifcap), + DEF_CMD_ARG("pcp", setifpcp), + DEF_CMD("-pcp", 0, disableifpcp), DEF_CMD("polling", IFCAP_POLLING, setifcap), DEF_CMD("-polling", -IFCAP_POLLING, setifcap), DEF_CMD("tso6", IFCAP_TSO6, setifcap), |