| /linux-6.15/tools/testing/selftests/net/packetdrill/ |
| H A D | tcp_zerocopy_maxfrags.pkt | 5 // 1) fit in a single packet without zerocopy
6 // 2) spill over into a second packet with zerocopy,
16 // Each pinned zerocopy page is fully accounted to skb->truesize.
42 // send a zerocopy iov of 18 elements:
73 // send a zerocopy iov of 64 elements:
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| H A D | tcp_zerocopy_fastopen-client.pkt | 2 // Fastopen client zerocopy test:
9 // zerocopy notification counter is not incremented. Verify this too.
22 // Read from error queue: no zerocopy notification
43 // Read from error queue: now has first zerocopy notification
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| H A D | tcp_zerocopy_small.pkt | 2 // small packet zerocopy test:
4 // verify that SO_EE_CODE_ZEROCOPY_COPIED is set on zerocopy
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| H A D | tcp_zerocopy_fastopen-server.pkt | 2 // Fastopen server zerocopy test:
29 // Read from error queue: now has first zerocopy notification
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| H A D | tcp_zerocopy_closed.pkt | 4 // verify that a send in state TCP_CLOSE correctly aborts the zerocopy
5 // operation, specifically it does not increment the zerocopy counter.
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| H A D | tcp_zerocopy_client.pkt | 2 // Minimal client-side zerocopy test
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| H A D | tcp_zerocopy_batch.pkt | 2 // batch zerocopy test:
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| H A D | tcp_zerocopy_basic.pkt | 2 // basic zerocopy test:
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| H A D | tcp_zerocopy_epoll_edge.pkt | 2 // epoll zerocopy test:
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| H A D | tcp_zerocopy_epoll_exclusive.pkt | 2 // epoll zerocopy test:
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| H A D | tcp_zerocopy_epoll_oneshot.pkt | 2 // epoll zerocopy test:
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| /linux-6.15/tools/testing/vsock/ |
| H A D | vsock_perf.c | 37 static bool zerocopy; variable
273 if (zerocopy) in run_sender()
287 if (zerocopy) { in run_sender()
320 zerocopy ? MSG_ZEROCOPY : 0); in run_sender()
328 if (zerocopy) { in run_sender()
359 if (zerocopy) in run_sender()
486 zerocopy = true; in main()
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| /linux-6.15/tools/testing/selftests/arm64/fp/ |
| H A D | kernel-test.c | 32 static int zerocopy[2]; variable
182 ret = pipe(zerocopy); in create_socket()
211 ret = vmsplice(zerocopy[1], &iov, 1, SPLICE_F_GIFT); in compute_digest()
219 ret = splice(zerocopy[0], NULL, sock, NULL, wrote, 0); in compute_digest()
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| /linux-6.15/tools/testing/selftests/net/ |
| H A D | msg_zerocopy.c | 401 int ret, zerocopy; in do_recv_completion() local
446 zerocopy = !(serr->ee_code & SO_EE_CODE_ZEROCOPY_COPIED); in do_recv_completion()
448 zerocopied = zerocopy; in do_recv_completion()
449 else if (zerocopied != zerocopy) { in do_recv_completion()
451 zerocopied = zerocopy; in do_recv_completion()
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| /linux-6.15/Documentation/networking/ |
| H A D | msg_zerocopy.rst | 74 error(1, errno, "setsockopt zerocopy");
86 A zerocopy failure will return -1 with errno ENOBUFS. This happens if
217 protocol headers plus zerocopy user data. A packet may need to be
223 before the (copied) data is fully transmitted. A zerocopy completion
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| H A D | netmem.rst | 78 circulation times, such as when userspace holds a reference in zerocopy
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| H A D | rds.rst | 51 Some additions like zerocopy support are implemented through
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| /linux-6.15/drivers/net/ |
| H A D | tap.c | 586 bool zerocopy = false; in tap_get_user() local
614 zerocopy = true; in tap_get_user()
617 if (!zerocopy) { in tap_get_user()
627 if (zerocopy) in tap_get_user()
667 if (zerocopy) { in tap_get_user()
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| H A D | tun.c | 1515 int len, int noblock, bool zerocopy) in tun_can_build_skb() argument
1526 if (zerocopy) in tun_can_build_skb()
1705 bool zerocopy = false; in tun_get_user() local
1750 zerocopy = true; in tun_get_user()
1753 if (!frags && tun_can_build_skb(tun, tfile, len, noblock, zerocopy)) { in tun_get_user()
1765 if (!zerocopy) { in tun_get_user()
1777 zerocopy = false; in tun_get_user()
1790 if (zerocopy) in tun_get_user()
1841 if (zerocopy) { in tun_get_user()
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| /linux-6.15/net/vmw_vsock/ |
| H A D | af_vsock.c | 1792 int zerocopy; in vsock_connectible_setsockopt() local
1802 COPY_IN(zerocopy); in vsock_connectible_setsockopt()
1804 if (zerocopy < 0 || zerocopy > 1) { in vsock_connectible_setsockopt()
1814 sock_valbool_flag(sk, SOCK_ZEROCOPY, zerocopy); in vsock_connectible_setsockopt()
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| H A D | virtio_transport_common.c | 77 bool zerocopy) in virtio_transport_init_zcopy_skb() argument
95 uarg_zc->zerocopy = zerocopy ? 1 : 0; in virtio_transport_init_zcopy_skb()
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| /linux-6.15/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/ |
| H A D | counters.rst | 579 - The number of packets transmitted using XSK zerocopy functionality.
589 that are transmitted using XSK zerocopy.
593 - Number of times doorbell is rung in XSK zerocopy mode when SQ is full.
597 - Number of errors that occurred in XSK zerocopy mode such as if the data
602 - Number of CQEs processed in XSK zerocopy mode.
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| /linux-6.15/Documentation/networking/device_drivers/ethernet/3com/ |
| H A D | vortex.rst | 205 The driver is set up so that, when the zerocopy patch is applied,
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| /linux-6.15/Documentation/netlink/specs/ |
| H A D | netdev.yaml | 28 name: xsk-zerocopy
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| /linux-6.15/Documentation/admin-guide/sysctl/ |
| H A D | net.rst | 354 of struct cmsghdr structures with appended data. TCP tx zerocopy also uses
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