diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-18 12:34:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-18 12:34:53 -0700 |
commit | 81160dda9a7aad13c04e78bb2cfd3c4630e3afab (patch) | |
tree | 4bf79ffa9fc7dc5e2915ff978778c3402c491113 /net/netfilter/nft_meta.c | |
parent | 8b53c76533aa4356602aea98f98a2f3b4051464c (diff) | |
parent | 1bab8d4c488be22d57f9dd09968c90a0ddc413bf (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:
1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski.
2) Use bio_vec in the networking instead of custom skb_frag_t, from
Matthew Wilcox.
3) Make use of xmit_more in r8169 driver, from Heiner Kallweit.
4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen.
5) Support all variants of 5750X bnxt_en chips, from Michael Chan.
6) More RTNL avoidance work in the core and mlx5 driver, from Vlad
Buslov.
7) Add TCP syn cookies bpf helper, from Petar Penkov.
8) Add 'nettest' to selftests and use it, from David Ahern.
9) Add extack support to drop_monitor, add packet alert mode and
support for HW drops, from Ido Schimmel.
10) Add VLAN offload to stmmac, from Jose Abreu.
11) Lots of devm_platform_ioremap_resource() conversions, from
YueHaibing.
12) Add IONIC driver, from Shannon Nelson.
13) Several kTLS cleanups, from Jakub Kicinski.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits)
mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer
mlxsw: spectrum: Register CPU port with devlink
mlxsw: spectrum_buffers: Prevent changing CPU port's configuration
net: ena: fix incorrect update of intr_delay_resolution
net: ena: fix retrieval of nonadaptive interrupt moderation intervals
net: ena: fix update of interrupt moderation register
net: ena: remove all old adaptive rx interrupt moderation code from ena_com
net: ena: remove ena_restore_ethtool_params() and relevant fields
net: ena: remove old adaptive interrupt moderation code from ena_netdev
net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*()
net: ena: enable the interrupt_moderation in driver_supported_features
net: ena: reimplement set/get_coalesce()
net: ena: switch to dim algorithm for rx adaptive interrupt moderation
net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it
net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable
ethtool: implement Energy Detect Powerdown support via phy-tunable
xen-netfront: do not assume sk_buff_head list is empty in error handling
s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb”
net: ena: don't wake up tx queue when down
drop_monitor: Better sanitize notified packets
...
Diffstat (limited to 'net/netfilter/nft_meta.c')
-rw-r--r-- | net/netfilter/nft_meta.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index f69afb9ff3cb..317e3a9e8c5b 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -26,8 +26,36 @@ #include <uapi/linux/netfilter_bridge.h> /* NF_BR_PRE_ROUTING */ +#define NFT_META_SECS_PER_MINUTE 60 +#define NFT_META_SECS_PER_HOUR 3600 +#define NFT_META_SECS_PER_DAY 86400 +#define NFT_META_DAYS_PER_WEEK 7 + static DEFINE_PER_CPU(struct rnd_state, nft_prandom_state); +static u8 nft_meta_weekday(unsigned long secs) +{ + unsigned int dse; + u8 wday; + + secs -= NFT_META_SECS_PER_MINUTE * sys_tz.tz_minuteswest; + dse = secs / NFT_META_SECS_PER_DAY; + wday = (4 + dse) % NFT_META_DAYS_PER_WEEK; + + return wday; +} + +static u32 nft_meta_hour(unsigned long secs) +{ + struct tm tm; + + time64_to_tm(secs, 0, &tm); + + return tm.tm_hour * NFT_META_SECS_PER_HOUR + + tm.tm_min * NFT_META_SECS_PER_MINUTE + + tm.tm_sec; +} + void nft_meta_get_eval(const struct nft_expr *expr, struct nft_regs *regs, const struct nft_pktinfo *pkt) @@ -218,6 +246,15 @@ void nft_meta_get_eval(const struct nft_expr *expr, goto err; strncpy((char *)dest, out->rtnl_link_ops->kind, IFNAMSIZ); break; + case NFT_META_TIME_NS: + nft_reg_store64(dest, ktime_get_real_ns()); + break; + case NFT_META_TIME_DAY: + nft_reg_store8(dest, nft_meta_weekday(get_seconds())); + break; + case NFT_META_TIME_HOUR: + *dest = nft_meta_hour(get_seconds()); + break; default: WARN_ON(1); goto err; @@ -330,6 +367,15 @@ int nft_meta_get_init(const struct nft_ctx *ctx, len = sizeof(u8); break; #endif + case NFT_META_TIME_NS: + len = sizeof(u64); + break; + case NFT_META_TIME_DAY: + len = sizeof(u8); + break; + case NFT_META_TIME_HOUR: + len = sizeof(u32); + break; default: return -EOPNOTSUPP; } |