Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
bareudp: Use pcpu stats to update rx_dropped counter.
Use the core_stats rx_dropped counter to avoid the cost of atomic
increments.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
authored by
Guillaume Nault
and committed by
David S. Miller
788d5d65
03fc07a2
+6
-6
+6
-6
drivers/net/bareudp.c
+6
-6
drivers/net/bareudp.c
···
84
84
85
85
if (skb_copy_bits(skb, BAREUDP_BASE_HLEN, &ipversion,
86
86
sizeof(ipversion))) {
87
-
DEV_STATS_INC(bareudp->dev, rx_dropped);
87
+
dev_core_stats_rx_dropped_inc(bareudp->dev);
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88
goto drop;
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89
}
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90
ipversion >>= 4;
···
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94
} else if (ipversion == 6 && bareudp->multi_proto_mode) {
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95
proto = htons(ETH_P_IPV6);
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96
} else {
97
-
DEV_STATS_INC(bareudp->dev, rx_dropped);
97
+
dev_core_stats_rx_dropped_inc(bareudp->dev);
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98
goto drop;
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99
}
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100
} else if (bareudp->ethertype == htons(ETH_P_MPLS_UC)) {
···
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ipv4_is_multicast(tunnel_hdr->daddr)) {
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109
proto = htons(ETH_P_MPLS_MC);
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110
} else {
111
-
DEV_STATS_INC(bareudp->dev, rx_dropped);
111
+
dev_core_stats_rx_dropped_inc(bareudp->dev);
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goto drop;
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}
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} else {
···
124
124
(addr_type & IPV6_ADDR_MULTICAST)) {
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proto = htons(ETH_P_MPLS_MC);
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126
} else {
127
-
DEV_STATS_INC(bareudp->dev, rx_dropped);
127
+
dev_core_stats_rx_dropped_inc(bareudp->dev);
128
128
goto drop;
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129
}
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130
}
···
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136
proto,
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137
!net_eq(bareudp->net,
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138
dev_net(bareudp->dev)))) {
139
-
DEV_STATS_INC(bareudp->dev, rx_dropped);
139
+
dev_core_stats_rx_dropped_inc(bareudp->dev);
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140
goto drop;
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141
}
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142
···
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144
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145
tun_dst = udp_tun_rx_dst(skb, family, key, 0, 0);
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if (!tun_dst) {
147
-
DEV_STATS_INC(bareudp->dev, rx_dropped);
147
+
dev_core_stats_rx_dropped_inc(bareudp->dev);
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148
goto drop;
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149
}
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150
skb_dst_set(skb, &tun_dst->dst);