diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/sock.c | 65 | ||||
| -rw-r--r-- | net/ethtool/Makefile | 2 | ||||
| -rw-r--r-- | net/ethtool/common.c | 14 | ||||
| -rw-r--r-- | net/ethtool/netlink.c | 10 | ||||
| -rw-r--r-- | net/ethtool/netlink.h | 2 | ||||
| -rw-r--r-- | net/ethtool/phc_vclocks.c | 94 | ||||
| -rw-r--r-- | net/mptcp/sockopt.c | 68 | ||||
| -rw-r--r-- | net/socket.c | 19 |
8 files changed, 247 insertions, 27 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index dd9599656c40..cad107112204 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -139,6 +139,8 @@ #include <net/tcp.h> #include <net/busy_poll.h> +#include <linux/ethtool.h> + static DEFINE_MUTEX(proto_list_mutex); static LIST_HEAD(proto_list); @@ -810,8 +812,47 @@ void sock_set_timestamp(struct sock *sk, int optname, bool valbool) } } -int sock_set_timestamping(struct sock *sk, int optname, int val) +static int sock_timestamping_bind_phc(struct sock *sk, int phc_index) { + struct net *net = sock_net(sk); + struct net_device *dev = NULL; + bool match = false; + int *vclock_index; + int i, num; + + if (sk->sk_bound_dev_if) + dev = dev_get_by_index(net, sk->sk_bound_dev_if); + + if (!dev) { + pr_err("%s: sock not bind to device\n", __func__); + return -EOPNOTSUPP; + } + + num = ethtool_get_phc_vclocks(dev, &vclock_index); + for (i = 0; i < num; i++) { + if (*(vclock_index + i) == phc_index) { + match = true; + break; + } + } + + if (num > 0) + kfree(vclock_index); + + if (!match) + return -EINVAL; + + sk->sk_bind_phc = phc_index; + + return 0; +} + +int sock_set_timestamping(struct sock *sk, int optname, + struct so_timestamping timestamping) +{ + int val = timestamping.flags; + int ret; + if (val & ~SOF_TIMESTAMPING_MASK) return -EINVAL; @@ -832,6 +873,12 @@ int sock_set_timestamping(struct sock *sk, int optname, int val) !(val & SOF_TIMESTAMPING_OPT_TSONLY)) return -EINVAL; + if (val & SOF_TIMESTAMPING_BIND_PHC) { + ret = sock_timestamping_bind_phc(sk, timestamping.bind_phc); + if (ret) + return ret; + } + sk->sk_tsflags = val; sock_valbool_flag(sk, SOCK_TSTAMP_NEW, optname == SO_TIMESTAMPING_NEW); @@ -907,6 +954,7 @@ EXPORT_SYMBOL(sock_set_mark); int sock_setsockopt(struct socket *sock, int level, int optname, sockptr_t optval, unsigned int optlen) { + struct so_timestamping timestamping; struct sock_txtime sk_txtime; struct sock *sk = sock->sk; int val; @@ -1073,7 +1121,15 @@ set_sndbuf: case SO_TIMESTAMPING_NEW: case SO_TIMESTAMPING_OLD: - ret = sock_set_timestamping(sk, optname, val); + if (optlen == sizeof(timestamping)) { + if (copy_from_sockptr(×tamping, optval, + sizeof(timestamping))) + return -EFAULT; + } else { + memset(×tamping, 0, sizeof(timestamping)); + timestamping.flags = val; + } + ret = sock_set_timestamping(sk, optname, timestamping); break; case SO_RCVLOWAT: @@ -1348,6 +1404,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname, struct __kernel_old_timeval tm; struct __kernel_sock_timeval stm; struct sock_txtime txtime; + struct so_timestamping timestamping; } v; int lv = sizeof(int); @@ -1451,7 +1508,9 @@ int sock_getsockopt(struct socket *sock, int level, int optname, break; case SO_TIMESTAMPING_OLD: - v.val = sk->sk_tsflags; + lv = sizeof(v.timestamping); + v.timestamping.flags = sk->sk_tsflags; + v.timestamping.bind_phc = sk->sk_bind_phc; break; case SO_RCVTIMEO_OLD: diff --git a/net/ethtool/Makefile b/net/ethtool/Makefile index 723c9a8a8cdf..0a19470efbfb 100644 --- a/net/ethtool/Makefile +++ b/net/ethtool/Makefile @@ -7,4 +7,4 @@ obj-$(CONFIG_ETHTOOL_NETLINK) += ethtool_nl.o ethtool_nl-y := netlink.o bitset.o strset.o linkinfo.o linkmodes.o \ linkstate.o debug.o wol.o features.o privflags.o rings.o \ channels.o coalesce.o pause.o eee.o tsinfo.o cabletest.o \ - tunnels.o fec.o eeprom.o stats.o + tunnels.o fec.o eeprom.o stats.o phc_vclocks.o diff --git a/net/ethtool/common.c b/net/ethtool/common.c index f9dcbad84788..c63e0739dc6a 100644 --- a/net/ethtool/common.c +++ b/net/ethtool/common.c @@ -4,6 +4,7 @@ #include <linux/net_tstamp.h> #include <linux/phy.h> #include <linux/rtnetlink.h> +#include <linux/ptp_clock_kernel.h> #include "common.h" @@ -397,6 +398,7 @@ const char sof_timestamping_names[][ETH_GSTRING_LEN] = { [const_ilog2(SOF_TIMESTAMPING_OPT_STATS)] = "option-stats", [const_ilog2(SOF_TIMESTAMPING_OPT_PKTINFO)] = "option-pktinfo", [const_ilog2(SOF_TIMESTAMPING_OPT_TX_SWHW)] = "option-tx-swhw", + [const_ilog2(SOF_TIMESTAMPING_BIND_PHC)] = "bind-phc", }; static_assert(ARRAY_SIZE(sof_timestamping_names) == __SOF_TIMESTAMPING_CNT); @@ -554,6 +556,18 @@ int __ethtool_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) return 0; } +int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index) +{ + struct ethtool_ts_info info = { }; + int num = 0; + + if (!__ethtool_get_ts_info(dev, &info)) + num = ptp_get_vclocks_index(info.phc_index, vclock_index); + + return num; +} +EXPORT_SYMBOL(ethtool_get_phc_vclocks); + const struct ethtool_phy_ops *ethtool_phy_ops; void ethtool_set_ethtool_phy_ops(const struct ethtool_phy_ops *ops) diff --git a/net/ethtool/netlink.c b/net/ethtool/netlink.c index a7346346114f..73e0f5b626bf 100644 --- a/net/ethtool/netlink.c +++ b/net/ethtool/netlink.c @@ -248,6 +248,7 @@ ethnl_default_requests[__ETHTOOL_MSG_USER_CNT] = { [ETHTOOL_MSG_TSINFO_GET] = ðnl_tsinfo_request_ops, [ETHTOOL_MSG_MODULE_EEPROM_GET] = ðnl_module_eeprom_request_ops, [ETHTOOL_MSG_STATS_GET] = ðnl_stats_request_ops, + [ETHTOOL_MSG_PHC_VCLOCKS_GET] = ðnl_phc_vclocks_request_ops, }; static struct ethnl_dump_ctx *ethnl_dump_context(struct netlink_callback *cb) @@ -958,6 +959,15 @@ static const struct genl_ops ethtool_genl_ops[] = { .policy = ethnl_stats_get_policy, .maxattr = ARRAY_SIZE(ethnl_stats_get_policy) - 1, }, + { + .cmd = ETHTOOL_MSG_PHC_VCLOCKS_GET, + .doit = ethnl_default_doit, + .start = ethnl_default_start, + .dumpit = ethnl_default_dumpit, + .done = ethnl_default_done, + .policy = ethnl_phc_vclocks_get_policy, + .maxattr = ARRAY_SIZE(ethnl_phc_vclocks_get_policy) - 1, + }, }; static const struct genl_multicast_group ethtool_nl_mcgrps[] = { diff --git a/net/ethtool/netlink.h b/net/ethtool/netlink.h index 3e25a47fd482..3fc395c86702 100644 --- a/net/ethtool/netlink.h +++ b/net/ethtool/netlink.h @@ -347,6 +347,7 @@ extern const struct ethnl_request_ops ethnl_tsinfo_request_ops; extern const struct ethnl_request_ops ethnl_fec_request_ops; extern const struct ethnl_request_ops ethnl_module_eeprom_request_ops; extern const struct ethnl_request_ops ethnl_stats_request_ops; +extern const struct ethnl_request_ops ethnl_phc_vclocks_request_ops; extern const struct nla_policy ethnl_header_policy[ETHTOOL_A_HEADER_FLAGS + 1]; extern const struct nla_policy ethnl_header_policy_stats[ETHTOOL_A_HEADER_FLAGS + 1]; @@ -382,6 +383,7 @@ extern const struct nla_policy ethnl_fec_get_policy[ETHTOOL_A_FEC_HEADER + 1]; extern const struct nla_policy ethnl_fec_set_policy[ETHTOOL_A_FEC_AUTO + 1]; extern const struct nla_policy ethnl_module_eeprom_get_policy[ETHTOOL_A_MODULE_EEPROM_I2C_ADDRESS + 1]; extern const struct nla_policy ethnl_stats_get_policy[ETHTOOL_A_STATS_GROUPS + 1]; +extern const struct nla_policy ethnl_phc_vclocks_get_policy[ETHTOOL_A_PHC_VCLOCKS_HEADER + 1]; int ethnl_set_linkinfo(struct sk_buff *skb, struct genl_info *info); int ethnl_set_linkmodes(struct sk_buff *skb, struct genl_info *info); diff --git a/net/ethtool/phc_vclocks.c b/net/ethtool/phc_vclocks.c new file mode 100644 index 000000000000..637b2f5297d5 --- /dev/null +++ b/net/ethtool/phc_vclocks.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright 2021 NXP + */ +#include "netlink.h" +#include "common.h" + +struct phc_vclocks_req_info { + struct ethnl_req_info base; +}; + +struct phc_vclocks_reply_data { + struct ethnl_reply_data base; + int num; + int *index; +}; + +#define PHC_VCLOCKS_REPDATA(__reply_base) \ + container_of(__reply_base, struct phc_vclocks_reply_data, base) + +const struct nla_policy ethnl_phc_vclocks_get_policy[] = { + [ETHTOOL_A_PHC_VCLOCKS_HEADER] = NLA_POLICY_NESTED(ethnl_header_policy), +}; + +static int phc_vclocks_prepare_data(const struct ethnl_req_info *req_base, + struct ethnl_reply_data *reply_base, + struct genl_info *info) +{ + struct phc_vclocks_reply_data *data = PHC_VCLOCKS_REPDATA(reply_base); + struct net_device *dev = reply_base->dev; + int ret; + + ret = ethnl_ops_begin(dev); + if (ret < 0) + return ret; + data->num = ethtool_get_phc_vclocks(dev, &data->index); + ethnl_ops_complete(dev); + + return ret; +} + +static int phc_vclocks_reply_size(const struct ethnl_req_info *req_base, + const struct ethnl_reply_data *reply_base) +{ + const struct phc_vclocks_reply_data *data = + PHC_VCLOCKS_REPDATA(reply_base); + int len = 0; + + if (data->num > 0) { + len += nla_total_size(sizeof(u32)); + len += nla_total_size(sizeof(s32) * data->num); + } + + return len; +} + +static int phc_vclocks_fill_reply(struct sk_buff *skb, + const struct ethnl_req_info *req_base, + const struct ethnl_reply_data *reply_base) +{ + const struct phc_vclocks_reply_data *data = + PHC_VCLOCKS_REPDATA(reply_base); + + if (data->num <= 0) + return 0; + + if (nla_put_u32(skb, ETHTOOL_A_PHC_VCLOCKS_NUM, data->num) || + nla_put(skb, ETHTOOL_A_PHC_VCLOCKS_INDEX, + sizeof(s32) * data->num, data->index)) + return -EMSGSIZE; + + return 0; +} + +static void phc_vclocks_cleanup_data(struct ethnl_reply_data *reply_base) +{ + const struct phc_vclocks_reply_data *data = + PHC_VCLOCKS_REPDATA(reply_base); + + kfree(data->index); +} + +const struct ethnl_request_ops ethnl_phc_vclocks_request_ops = { + .request_cmd = ETHTOOL_MSG_PHC_VCLOCKS_GET, + .reply_cmd = ETHTOOL_MSG_PHC_VCLOCKS_GET_REPLY, + .hdr_attr = ETHTOOL_A_PHC_VCLOCKS_HEADER, + .req_info_size = sizeof(struct phc_vclocks_req_info), + .reply_data_size = sizeof(struct phc_vclocks_reply_data), + + .prepare_data = phc_vclocks_prepare_data, + .reply_size = phc_vclocks_reply_size, + .fill_reply = phc_vclocks_fill_reply, + .cleanup_data = phc_vclocks_cleanup_data, +}; diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index 092d1f635d27..8c03afac5ca0 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -157,19 +157,7 @@ static int mptcp_setsockopt_sol_socket_tstamp(struct mptcp_sock *msk, int optnam struct sock *ssk = mptcp_subflow_tcp_sock(subflow); bool slow = lock_sock_fast(ssk); - switch (optname) { - case SO_TIMESTAMP_OLD: - case SO_TIMESTAMP_NEW: - case SO_TIMESTAMPNS_OLD: - case SO_TIMESTAMPNS_NEW: - sock_set_timestamp(sk, optname, !!val); - break; - case SO_TIMESTAMPING_NEW: - case SO_TIMESTAMPING_OLD: - sock_set_timestamping(sk, optname, val); - break; - } - + sock_set_timestamp(sk, optname, !!val); unlock_sock_fast(ssk, slow); } @@ -178,7 +166,8 @@ static int mptcp_setsockopt_sol_socket_tstamp(struct mptcp_sock *msk, int optnam } static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname, - sockptr_t optval, unsigned int optlen) + sockptr_t optval, + unsigned int optlen) { int val, ret; @@ -205,14 +194,56 @@ static int mptcp_setsockopt_sol_socket_int(struct mptcp_sock *msk, int optname, case SO_TIMESTAMP_NEW: case SO_TIMESTAMPNS_OLD: case SO_TIMESTAMPNS_NEW: - case SO_TIMESTAMPING_OLD: - case SO_TIMESTAMPING_NEW: return mptcp_setsockopt_sol_socket_tstamp(msk, optname, val); } return -ENOPROTOOPT; } +static int mptcp_setsockopt_sol_socket_timestamping(struct mptcp_sock *msk, + int optname, + sockptr_t optval, + unsigned int optlen) +{ + struct mptcp_subflow_context *subflow; + struct sock *sk = (struct sock *)msk; + struct so_timestamping timestamping; + int ret; + + if (optlen == sizeof(timestamping)) { + if (copy_from_sockptr(×tamping, optval, + sizeof(timestamping))) + return -EFAULT; + } else if (optlen == sizeof(int)) { + memset(×tamping, 0, sizeof(timestamping)); + + if (copy_from_sockptr(×tamping.flags, optval, sizeof(int))) + return -EFAULT; + } else { + return -EINVAL; + } + + ret = sock_setsockopt(sk->sk_socket, SOL_SOCKET, optname, + KERNEL_SOCKPTR(×tamping), + sizeof(timestamping)); + if (ret) + return ret; + + lock_sock(sk); + + mptcp_for_each_subflow(msk, subflow) { + struct sock *ssk = mptcp_subflow_tcp_sock(subflow); + bool slow = lock_sock_fast(ssk); + + sock_set_timestamping(sk, optname, timestamping); + unlock_sock_fast(ssk, slow); + } + + release_sock(sk); + + return 0; +} + static int mptcp_setsockopt_sol_socket_linger(struct mptcp_sock *msk, sockptr_t optval, unsigned int optlen) { @@ -299,9 +330,12 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname, case SO_TIMESTAMP_NEW: case SO_TIMESTAMPNS_OLD: case SO_TIMESTAMPNS_NEW: + return mptcp_setsockopt_sol_socket_int(msk, optname, optval, + optlen); case SO_TIMESTAMPING_OLD: case SO_TIMESTAMPING_NEW: - return mptcp_setsockopt_sol_socket_int(msk, optname, optval, optlen); + return mptcp_setsockopt_sol_socket_timestamping(msk, optname, + optval, optlen); case SO_LINGER: return mptcp_setsockopt_sol_socket_linger(msk, optval, optlen); case SO_RCVLOWAT: diff --git a/net/socket.c b/net/socket.c index bd9233da2497..0b2dad3bdf7f 100644 --- a/net/socket.c +++ b/net/socket.c @@ -104,6 +104,7 @@ #include <linux/sockios.h> #include <net/busy_poll.h> #include <linux/errqueue.h> +#include <linux/ptp_clock_kernel.h> #ifdef CONFIG_NET_RX_BUSY_POLL unsigned int sysctl_net_busy_read __read_mostly; @@ -873,12 +874,18 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, empty = 0; if (shhwtstamps && (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE) && - !skb_is_swtx_tstamp(skb, false_tstamp) && - ktime_to_timespec64_cond(shhwtstamps->hwtstamp, tss.ts + 2)) { - empty = 0; - if ((sk->sk_tsflags & SOF_TIMESTAMPING_OPT_PKTINFO) && - !skb_is_err_queue(skb)) - put_ts_pktinfo(msg, skb); + !skb_is_swtx_tstamp(skb, false_tstamp)) { + if (sk->sk_tsflags & SOF_TIMESTAMPING_BIND_PHC) + ptp_convert_timestamp(shhwtstamps, sk->sk_bind_phc); + + if (ktime_to_timespec64_cond(shhwtstamps->hwtstamp, + tss.ts + 2)) { + empty = 0; + + if ((sk->sk_tsflags & SOF_TIMESTAMPING_OPT_PKTINFO) && + !skb_is_err_queue(skb)) + put_ts_pktinfo(msg, skb); + } } if (!empty) { if (sock_flag(sk, SOCK_TSTAMP_NEW)) |