diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c index 0fbaccdc88612..95b9b45ad0288 100644 --- a/tools/testing/selftests/bpf/test_sockmap.c +++ b/tools/testing/selftests/bpf/test_sockmap.c @@ -138,6 +138,7 @@ struct sockmap_options { bool data_test; bool drop_expected; bool check_recved_len; + bool tx_wait_mem; int iov_count; int iov_length; int rate; @@ -578,6 +579,10 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt, sent = sendmsg(fd, &msg, flags); if (!drop && sent < 0) { + if (opt->tx_wait_mem && errno == EACCES) { + errno = 0; + goto out_errno; + } perror("sendmsg loop error"); goto out_errno; } else if (drop && sent >= 0) { @@ -644,6 +649,15 @@ static int msg_loop(int fd, int iov_count, int iov_length, int cnt, goto out_errno; } + if (opt->tx_wait_mem) { + FD_ZERO(&w); + FD_SET(fd, &w); + slct = select(max_fd + 1, NULL, NULL, &w, &timeout); + errno = 0; + close(fd); + goto out_errno; + } + errno = 0; if (peek_flag) { flags |= MSG_PEEK; @@ -752,6 +766,22 @@ static int sendmsg_test(struct sockmap_options *opt) return err; } + if (opt->tx_wait_mem) { + struct timeval timeout; + int rxtx_buf_len = 1024; + + timeout.tv_sec = 3; + timeout.tv_usec = 0; + + err = setsockopt(c2, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(struct timeval)); + err |= setsockopt(c2, SOL_SOCKET, SO_SNDBUFFORCE, &rxtx_buf_len, sizeof(int)); + err |= setsockopt(p2, SOL_SOCKET, SO_RCVBUFFORCE, &rxtx_buf_len, sizeof(int)); + if (err) { + perror("setsockopt failed()"); + return errno; + } + } + rxpid = fork(); if (rxpid == 0) { if (txmsg_pop || txmsg_start_pop) @@ -788,6 +818,9 @@ static int sendmsg_test(struct sockmap_options *opt) return errno; } + if (opt->tx_wait_mem) + close(c2); + txpid = fork(); if (txpid == 0) { if (opt->sendpage) @@ -1452,6 +1485,14 @@ static void test_txmsg_redir(int cgrp, struct sockmap_options *opt) test_send(opt, cgrp); } +static void test_txmsg_redir_wait_sndmem(int cgrp, struct sockmap_options *opt) +{ + txmsg_redir = 1; + opt->tx_wait_mem = true; + test_send_large(opt, cgrp); + opt->tx_wait_mem = false; +} + static void test_txmsg_drop(int cgrp, struct sockmap_options *opt) { txmsg_drop = 1; @@ -1800,6 +1841,7 @@ static int populate_progs(char *bpf_file) struct _test test[] = { {"txmsg test passthrough", test_txmsg_pass}, {"txmsg test redirect", test_txmsg_redir}, + {"txmsg test redirect wait send mem", test_txmsg_redir_wait_sndmem}, {"txmsg test drop", test_txmsg_drop}, {"txmsg test ingress redirect", test_txmsg_ingress_redir}, {"txmsg test skb", test_txmsg_skb},