mirrors/dae
1
0
Fork 0
mirror of https://github.com/daeuniverse/dae.git synced 2024-12-22 16:34:40 +07:00
Code Issues Packages Projects Releases Wiki Activity

optimize: replace c arithmetic operators with bitwise ones (#628)

Browse Source
This commit is contained in:
Integral 2024-09-13 14:39:33 +00:00 committed by GitHub
parent 9701f5a377
commit e637d666e0
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 12 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
control/kern/tproxy.c
View File

@ -408,7 +408,7 @@ static __always_inline __u8 ipv4_get_dscp(const struct iphdr *iph)
static __always_inline __u8 ipv6_get_dscp(const struct ipv6hdr *ipv6h)
{
return (ipv6h->priority << 2) + (ipv6h->flow_lbl[0] >> 6);
return (ipv6h->priority << 2) | (ipv6h->flow_lbl[0] >> 6);
}
static __always_inline void
@ -1112,9 +1112,9 @@ new_connection:
__be32 mac[4] = {
0,
0,
bpf_htonl((ethh.h_source[0] << 8) + (ethh.h_source[1])),
bpf_htonl((ethh.h_source[2] << 24) + (ethh.h_source[3] << 16) +
(ethh.h_source[4] << 8) + (ethh.h_source[5])),
bpf_htonl((ethh.h_source[0] << 8) | (ethh.h_source[1])),
bpf_htonl((ethh.h_source[2] << 24) | (ethh.h_source[3] << 16) |
(ethh.h_source[4] << 8) | (ethh.h_source[5])),
};
__s64 s64_ret;
@ -1405,11 +1405,11 @@ int tproxy_wan_egress(struct __sk_buff *skb)
__be32 mac[4] = {
0,
0,
bpf_htonl((ethh.h_source[0] << 8) +
bpf_htonl((ethh.h_source[0] << 8) |
(ethh.h_source[1])),
bpf_htonl((ethh.h_source[2] << 24) +
(ethh.h_source[3] << 16) +
(ethh.h_source[4] << 8) +
bpf_htonl((ethh.h_source[2] << 24) |
(ethh.h_source[3] << 16) |
(ethh.h_source[4] << 8) |
(ethh.h_source[5])),
};
__s64 s64_ret;
@ -1532,10 +1532,10 @@ int tproxy_wan_egress(struct __sk_buff *skb)
__be32 mac[4] = {
0,
0,
bpf_htonl((ethh.h_source[0] << 8) + (ethh.h_source[1])),
bpf_htonl((ethh.h_source[2] << 24) +
(ethh.h_source[3] << 16) +
(ethh.h_source[4] << 8) + (ethh.h_source[5])),
bpf_htonl((ethh.h_source[0] << 8) | (ethh.h_source[1])),
bpf_htonl((ethh.h_source[2] << 24) |
(ethh.h_source[3] << 16) |
(ethh.h_source[4] << 8) | (ethh.h_source[5])),
};
__s64 s64_ret;