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| author | John Baldwin <jhb@FreeBSD.org> | 2021-09-13 16:57:54 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2021-09-13 16:57:54 +0000 |
| commit | 91c62d626d0e9995da9dc424120a4f1b0b987eea (patch) | |
| tree | 3e2710910dc88c0e12fae41535f164bc3abf8d1b | |
| parent | f63ddf465fe09d3547deaf80fbdb91bc7b816dfb (diff) | |
| download | src-91c62d626d0e9995da9dc424120a4f1b0b987eea.tar.gz src-91c62d626d0e9995da9dc424120a4f1b0b987eea.zip | |
iscsid: Disable TCP DDP for connection sockets.
cxgbei is not able to offload PDU processing for a socket using TCP
DDP offload.
Sponsored by: Chelsio Communications
| -rw-r--r-- | usr.sbin/iscsid/iscsid.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/usr.sbin/iscsid/iscsid.c b/usr.sbin/iscsid/iscsid.c index 797a7561f79c..db8b5d4f5e4c 100644 --- a/usr.sbin/iscsid/iscsid.c +++ b/usr.sbin/iscsid/iscsid.c @@ -164,7 +164,7 @@ connection_new(int iscsi_fd, const struct iscsi_daemon_request *request) #ifdef ICL_KERNEL_PROXY struct iscsi_daemon_connect idc; #endif - int error, sockbuf; + int error, optval; conn = calloc(1, sizeof(*conn)); if (conn == NULL) @@ -275,14 +275,18 @@ connection_new(int iscsi_fd, const struct iscsi_daemon_request *request) fail(conn, strerror(errno)); log_err(1, "failed to create socket for %s", from_addr); } - sockbuf = SOCKBUF_SIZE; + optval = SOCKBUF_SIZE; if (setsockopt(conn->conn_socket, SOL_SOCKET, SO_RCVBUF, - &sockbuf, sizeof(sockbuf)) == -1) + &optval, sizeof(optval)) == -1) log_warn("setsockopt(SO_RCVBUF) failed"); - sockbuf = SOCKBUF_SIZE; + optval = SOCKBUF_SIZE; if (setsockopt(conn->conn_socket, SOL_SOCKET, SO_SNDBUF, - &sockbuf, sizeof(sockbuf)) == -1) + &optval, sizeof(optval)) == -1) log_warn("setsockopt(SO_SNDBUF) failed"); + optval = 1; + if (setsockopt(conn->conn_socket, SOL_SOCKET, SO_NO_DDP, + &optval, sizeof(optval)) == -1) + log_warn("setsockopt(SO_NO_DDP) failed"); if (conn->conn_conf.isc_dscp != -1) { int tos = conn->conn_conf.isc_dscp << 2; if (to_ai->ai_family == AF_INET) { |