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Searched refs:zerocopy (Results 1 – 10 of 10) sorted by relevance

/Linux-v4.19/tools/testing/selftests/net/
Dmsg_zerocopy.c399 int ret, zerocopy; in do_recv_completion() local
444 zerocopy = !(serr->ee_code & SO_EE_CODE_ZEROCOPY_COPIED); in do_recv_completion()
446 zerocopied = zerocopy; in do_recv_completion()
447 else if (zerocopied != zerocopy) { in do_recv_completion()
449 zerocopied = zerocopy; in do_recv_completion()
/Linux-v4.19/Documentation/networking/
Dmsg_zerocopy.rst73 error(1, errno, "setsockopt zerocopy");
85 A zerocopy failure will return -1 with errno ENOBUFS. This happens if
214 protocol headers plus zerocopy user data. A packet may need to be
220 before the (copied) data is fully transmitted. A zerocopy completion
Dvortex.txt194 The driver is set up so that, when the zerocopy patch is applied,
Drds.txt44 Some additions like zerocopy support are implemented through
/Linux-v4.19/drivers/net/
Dtap.c635 bool zerocopy = false; in tap_get_user() local
679 zerocopy = true; in tap_get_user()
682 if (!zerocopy) { in tap_get_user()
696 if (zerocopy) in tap_get_user()
726 if (zerocopy) { in tap_get_user()
Dtun.c1557 int len, int noblock, bool zerocopy) in tun_can_build_skb() argument
1568 if (zerocopy) in tun_can_build_skb()
1709 bool zerocopy = false; in tun_get_user() local
1768 zerocopy = true; in tun_get_user()
1771 if (!frags && tun_can_build_skb(tun, tfile, len, noblock, zerocopy)) { in tun_get_user()
1784 if (!zerocopy) { in tun_get_user()
1799 zerocopy = false; in tun_get_user()
1813 if (zerocopy) in tun_get_user()
1871 if (zerocopy) { in tun_get_user()
/Linux-v4.19/net/sunrpc/
Dxprtsock.c347 …(struct socket *sock, struct xdr_buf *xdr, unsigned int base, int more, bool zerocopy, int *sent_p) in xs_send_pagedata() argument
360 if (!zerocopy) in xs_send_pagedata()
396 …ct sockaddr *addr, int addrlen, struct xdr_buf *xdr, unsigned int base, bool zerocopy, int *sent_p) in xs_sendpages() argument
424 err = xs_send_pagedata(sock, xdr, base, remainder != 0, zerocopy, &sent); in xs_sendpages()
660 bool zerocopy = true; in xs_tcp_send_request() local
675 zerocopy = false; in xs_tcp_send_request()
687 req->rq_bytes_sent, zerocopy, &sent); in xs_tcp_send_request()
/Linux-v4.19/include/linux/
Dskbuff.h455 u16 zerocopy:1; member
1315 static inline void skb_zcopy_clear(struct sk_buff *skb, bool zerocopy) in skb_zcopy_clear() argument
1321 uarg->zerocopy = uarg->zerocopy && zerocopy; in skb_zcopy_clear()
1324 uarg->callback(uarg, zerocopy); in skb_zcopy_clear()
/Linux-v4.19/net/core/
Dskbuff.c959 uarg->zerocopy = 1; in sock_zerocopy_alloc()
1085 uarg->callback(uarg, uarg->zerocopy); in sock_zerocopy_put()
/Linux-v4.19/net/ipv4/
Dtcp.c1203 uarg->zerocopy = 0; in tcp_sendmsg_locked()