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Increase GRO segments to 64 #1354

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Merged
Ralith merged 1 commit into from
May 10, 2022
Merged

Increase GRO segments to 64 #1354

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9 changes: 8 additions & 1 deletion quinn-udp/src/unix.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -645,7 +645,14 @@ mod gro {
};

if rc != -1 {
10
// As defined in net/ipv4/udp_offload.c
// #define UDP_GRO_CNT_MAX 64
//
// NOTE: this MUST be set to UDP_GRO_CNT_MAX to ensure that the receive buffer size
// (get_max_udp_payload_size() * gro_segments()) is large enough to hold the largest GRO
// list the kernel might potentially produce. See
// https://github.com/quinn-rs/quinn/pull/1354.
64
} else {
1
}
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