Attachment 1477839 Details for Bug 1526306 – tool to change the datapath round robin algorithm

tool to change the datapath round robin algorithm

ovs_nl.c (text/x-csrc), 1.18 KB, created by Matteo Croce on 2018-08-22 10:34:50 UTC

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Filename:

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Creator: Matteo Croce

Created: 2018-08-22 10:34:50 UTC

Size: 1.18 KB

patch

obsolete

>#include <stdio.h>
>#include <linux/genetlink.h>
>#include <netlink/genl/genl.h>
>#include <netlink/genl/ctrl.h>
>#include <linux/openvswitch.h>
>
>#define OVS_DP_ATTR_RR_ALGO 7
>
>int main(int argc, char *argv[])
>{
>	struct nl_sock *sock;
>	struct nl_msg *msg;
>	int family;
>	char *dp;
>	int algo;
>
>	if (argc != 3) {
>		fprintf(stderr, "usage: %s <datapath> <algo>\n", argv[0]);
>		return 1;
>	}
>
>	dp = argv[1];
>	algo = atoi(argv[2]);
>
>	msg = nlmsg_alloc();
>	if (!msg) {
>		perror("nlmsg_alloc");
>		return 1;
>	}
>
>	sock = nl_socket_alloc();
>	if (!sock) {
>		perror("nl_socket_alloc");
>		return 1;
>	}
>
>	if (genl_connect(sock) < 0) {
>		perror("genl_connect");
>		return 1;
>	}
>
>	family = genl_ctrl_resolve(sock, OVS_DATAPATH_FAMILY);
>	if (family < 0) {
>		perror("genl_ctrl_resolve");
>		return 1;
>	}
>
>	if (!genlmsg_put(msg, NL_AUTO_PORT, NL_AUTO_SEQ, family, 4, 0, OVS_DP_CMD_SET, OVS_DATAPATH_VERSION)) {
>		perror("genlmsg_put");
>		return 1;
>	}
>
>	if (nla_put_string(msg, OVS_DP_ATTR_NAME, dp) < 0) {
>		perror("nla_put_string");
>		return 1;
>	}
>
>	if (nla_put_u8(msg, OVS_DP_ATTR_RR_ALGO, algo) < 0) {
>		perror("nla_put_u8");
>		return 1;
>	}
>
>	if (nl_send_auto(sock, msg) < 0) {
>		perror("nl_send_auto");
>		return 1;
>	}
>
>	return 0;
>}

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Attachments on bug 1526306: 1383546 | 1452875 | 1454715 | 1477839 | 1477840 | 1483331