Searched refs:MSG_ZEROCOPY (Results 1 – 10 of 10) sorted by relevance
| /linux-5.19.10/Documentation/networking/ |
| D | msg_zerocopy.rst | 3 MSG_ZEROCOPY title
9 The MSG_ZEROCOPY flag enables copy avoidance for socket send calls.
18 such as sendpage and splice. The MSG_ZEROCOPY flag extends the
23 notification overhead. As a result, MSG_ZEROCOPY is generally only
34 Converting an existing application to MSG_ZEROCOPY is not always as
52 [PATCH net-next v4 0/9] socket sendmsg MSG_ZEROCOPY
59 Passing the MSG_ZEROCOPY flag is the most obvious step to enable copy
83 ret = send(fd, buf, sizeof(buf), MSG_ZEROCOPY);
108 MSG_ZEROCOPY that successfully sends data increments the counter. The
208 Passing flag MSG_ZEROCOPY is a hint to the kernel to apply copy
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| /linux-5.19.10/tools/testing/selftests/net/ |
| D | udpgso_bench_tx.c | 46 #ifndef MSG_ZEROCOPY
47 #define MSG_ZEROCOPY 0x4000000 macro
263 cfg_zerocopy ? MSG_ZEROCOPY : 0); in send_tcp()
283 ret = sendto(fd, data, len, cfg_zerocopy ? MSG_ZEROCOPY : 0, in send_udp()
355 ret = sendmmsg(fd, mmsgs, i, cfg_zerocopy ? MSG_ZEROCOPY : 0); in send_udp_sendmmsg()
404 ret = sendmsg(fd, &msg, cfg_zerocopy ? MSG_ZEROCOPY : 0); in send_udp_segment()
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| D | tcp_mmap.c | 70 #ifndef MSG_ZEROCOPY
71 #define MSG_ZEROCOPY 0x4000000 macro
509 wr = send(fd, buffer, (size_t)wr, zflg ? MSG_ZEROCOPY : 0); in main()
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| D | msg_zerocopy.c | 73 #ifndef MSG_ZEROCOPY
74 #define MSG_ZEROCOPY 0x4000000 macro
195 flags |= MSG_ZEROCOPY; in do_sendmsg()
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| /linux-5.19.10/net/rds/ |
| D | send.c | 959 if ((msg->msg_flags & MSG_ZEROCOPY) && !zcopy_cookie) in rds_rm_size()
1118 bool zcopy = ((msg->msg_flags & MSG_ZEROCOPY) && in rds_sendmsg()
1132 if (msg->msg_flags & ~(MSG_DONTWAIT | MSG_CMSG_COMPAT | MSG_ZEROCOPY)) { in rds_sendmsg()
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| /linux-5.19.10/tools/perf/trace/beauty/include/linux/ |
| D | socket.h | 321 #define MSG_ZEROCOPY 0x4000000 /* Use user data in kernel path */ macro
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| /linux-5.19.10/include/linux/ |
| D | socket.h | 321 #define MSG_ZEROCOPY 0x4000000 /* Use user data in kernel path */ macro
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| /linux-5.19.10/net/ipv4/ |
| D | ip_output.c | 1020 if (flags & MSG_ZEROCOPY && length && sock_flag(sk, SOCK_ZEROCOPY)) { in __ip_append_data()
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| D | tcp.c | 1227 if (flags & MSG_ZEROCOPY && size && sock_flag(sk, SOCK_ZEROCOPY)) { in tcp_sendmsg_locked()
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| /linux-5.19.10/net/ipv6/ |
| D | ip6_output.c | 1543 if (flags & MSG_ZEROCOPY && length && sock_flag(sk, SOCK_ZEROCOPY)) { in __ip6_append_data()
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