diff options
| -rw-r--r-- | drivers/net/ethernet/sfc/ptp.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index f54200f03e15..b04fdbb8aece 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -108,11 +108,17 @@ #define PTP_MIN_LENGTH 63 #define PTP_ADDR_IPV4 0xe0000181 /* 224.0.1.129 */ -#define PTP_ADDR_IPV6 {0xff, 0x0e, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, \ - 0, 0x01, 0x81} /* ff0e::181 */ + +/* ff0e::181 */ +static const struct in6_addr ptp_addr_ipv6 = { { { + 0xff, 0x0e, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01, 0x81 } } }; + +/* 01-1B-19-00-00-00 */ +static const u8 ptp_addr_ether[ETH_ALEN] __aligned(2) = { + 0x01, 0x1b, 0x19, 0x00, 0x00, 0x00 }; + #define PTP_EVENT_PORT 319 #define PTP_GENERAL_PORT 320 -#define PTP_ADDR_ETHER {0x01, 0x1b, 0x19, 0, 0, 0} /* 01-1B-19-00-00-00 */ /* Annoyingly the format of the version numbers are different between * versions 1 and 2 so it isn't possible to simply look for 1 or 2. @@ -1296,7 +1302,7 @@ static int efx_ptp_insert_ipv4_filter(struct efx_nic *efx, static int efx_ptp_insert_ipv6_filter(struct efx_nic *efx, struct list_head *filter_list, - struct in6_addr *addr, u16 port, + const struct in6_addr *addr, u16 port, unsigned long expiry) { struct efx_filter_spec spec; @@ -1309,11 +1315,10 @@ static int efx_ptp_insert_ipv6_filter(struct efx_nic *efx, static int efx_ptp_insert_eth_multicast_filter(struct efx_nic *efx) { struct efx_ptp_data *ptp = efx->ptp_data; - const u8 addr[ETH_ALEN] = PTP_ADDR_ETHER; struct efx_filter_spec spec; efx_ptp_init_filter(efx, &spec); - efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC, addr); + efx_filter_set_eth_local(&spec, EFX_FILTER_VID_UNSPEC, ptp_addr_ether); spec.match_flags |= EFX_FILTER_MATCH_ETHER_TYPE; spec.ether_type = htons(ETH_P_1588); return efx_ptp_insert_filter(efx, &ptp->rxfilters_mcast, &spec, 0); @@ -1346,15 +1351,13 @@ static int efx_ptp_insert_multicast_filters(struct efx_nic *efx) * PTP over IPv6 and Ethernet */ if (efx_ptp_use_mac_tx_timestamps(efx)) { - struct in6_addr ipv6_addr = {{PTP_ADDR_IPV6}}; - rc = efx_ptp_insert_ipv6_filter(efx, &ptp->rxfilters_mcast, - &ipv6_addr, PTP_EVENT_PORT, 0); + &ptp_addr_ipv6, PTP_EVENT_PORT, 0); if (rc < 0) goto fail; rc = efx_ptp_insert_ipv6_filter(efx, &ptp->rxfilters_mcast, - &ipv6_addr, PTP_GENERAL_PORT, 0); + &ptp_addr_ipv6, PTP_GENERAL_PORT, 0); if (rc < 0) goto fail; @@ -1379,9 +1382,7 @@ static bool efx_ptp_valid_unicast_event_pkt(struct sk_buff *skb) ip_hdr(skb)->protocol == IPPROTO_UDP && udp_hdr(skb)->source == htons(PTP_EVENT_PORT); } else if (skb->protocol == htons(ETH_P_IPV6)) { - struct in6_addr mcast_addr = {{PTP_ADDR_IPV6}}; - - return !ipv6_addr_equal(&ipv6_hdr(skb)->daddr, &mcast_addr) && + return !ipv6_addr_equal(&ipv6_hdr(skb)->daddr, &ptp_addr_ipv6) && ipv6_hdr(skb)->nexthdr == IPPROTO_UDP && udp_hdr(skb)->source == htons(PTP_EVENT_PORT); } |