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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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59dd07db92
Move xdp_helper to net/lib to make it easier for other selftests to use the helper. Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Link: https://patch.msgid.link/20250425071018.36078-2-minhquangbui99@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
56 lines
949 B
C
56 lines
949 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#if !defined(__NET_KSFT_H__)
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#define __NET_KSFT_H__
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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static inline void ksft_ready(void)
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{
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const char msg[7] = "ready\n";
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char *env_str;
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int fd;
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env_str = getenv("KSFT_READY_FD");
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if (env_str) {
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fd = atoi(env_str);
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if (!fd) {
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fprintf(stderr, "invalid KSFT_READY_FD = '%s'\n",
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env_str);
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return;
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}
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} else {
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fd = STDOUT_FILENO;
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}
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write(fd, msg, sizeof(msg));
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if (fd != STDOUT_FILENO)
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close(fd);
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}
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static inline void ksft_wait(void)
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{
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char *env_str;
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char byte;
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int fd;
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env_str = getenv("KSFT_WAIT_FD");
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if (env_str) {
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fd = atoi(env_str);
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if (!fd) {
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fprintf(stderr, "invalid KSFT_WAIT_FD = '%s'\n",
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env_str);
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return;
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}
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} else {
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/* Not running in KSFT env, wait for input from STDIN instead */
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fd = STDIN_FILENO;
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}
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read(fd, &byte, sizeof(byte));
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if (fd != STDIN_FILENO)
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close(fd);
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}
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#endif
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