| /* |
| * coalesce.c - netlink implementation of coalescing commands |
| * |
| * Implementation of "ethtool -c <dev>" and "ethtool -C <dev> ..." |
| */ |
| |
| #include <errno.h> |
| #include <string.h> |
| #include <stdio.h> |
| |
| #include "../internal.h" |
| #include "../common.h" |
| #include "netlink.h" |
| #include "parser.h" |
| |
| /* COALESCE_GET */ |
| |
| int coalesce_reply_cb(const struct nlmsghdr *nlhdr, void *data) |
| { |
| const struct nlattr *tb[ETHTOOL_A_COALESCE_MAX + 1] = {}; |
| DECLARE_ATTR_TB_INFO(tb); |
| struct nl_context *nlctx = data; |
| bool silent; |
| int err_ret; |
| int ret; |
| |
| silent = nlctx->is_dump || nlctx->is_monitor; |
| err_ret = silent ? MNL_CB_OK : MNL_CB_ERROR; |
| ret = mnl_attr_parse(nlhdr, GENL_HDRLEN, attr_cb, &tb_info); |
| if (ret < 0) |
| return err_ret; |
| nlctx->devname = get_dev_name(tb[ETHTOOL_A_COALESCE_HEADER]); |
| if (!dev_ok(nlctx)) |
| return err_ret; |
| |
| if (silent) |
| putchar('\n'); |
| printf("Coalesce parameters for %s:\n", nlctx->devname); |
| show_bool("rx", "Adaptive RX: %s ", |
| tb[ETHTOOL_A_COALESCE_USE_ADAPTIVE_RX]); |
| show_bool("tx", "TX: %s\n", tb[ETHTOOL_A_COALESCE_USE_ADAPTIVE_TX]); |
| show_u32(tb[ETHTOOL_A_COALESCE_STATS_BLOCK_USECS], |
| "stats-block-usecs: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL], |
| "sample-interval: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_PKT_RATE_LOW], "pkt-rate-low: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_PKT_RATE_HIGH], "pkt-rate-high: "); |
| putchar('\n'); |
| show_u32(tb[ETHTOOL_A_COALESCE_RX_USECS], "rx-usecs: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_RX_MAX_FRAMES], "rx-frames: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_RX_USECS_IRQ], "rx-usecs-irq: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_IRQ], "rx-frames-irq: "); |
| putchar('\n'); |
| show_u32(tb[ETHTOOL_A_COALESCE_TX_USECS], "tx-usecs: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_TX_MAX_FRAMES], "tx-frames: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_TX_USECS_IRQ], "tx-usecs-irq: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_IRQ], "tx-frames-irq: "); |
| putchar('\n'); |
| show_u32(tb[ETHTOOL_A_COALESCE_RX_USECS_LOW], "rx-usecs-low: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_LOW], "rx-frame-low: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_TX_USECS_LOW], "tx-usecs-low: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_LOW], "tx-frame-low: "); |
| putchar('\n'); |
| show_u32(tb[ETHTOOL_A_COALESCE_RX_USECS_HIGH], "rx-usecs-high: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_RX_MAX_FRAMES_HIGH], "rx-frame-high: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_TX_USECS_HIGH], "tx-usecs-high: "); |
| show_u32(tb[ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH], "tx-frame-high: "); |
| putchar('\n'); |
| |
| return MNL_CB_OK; |
| } |
| |
| int nl_gcoalesce(struct cmd_context *ctx) |
| { |
| struct nl_context *nlctx = ctx->nlctx; |
| struct nl_socket *nlsk = nlctx->ethnl_socket; |
| int ret; |
| |
| if (netlink_cmd_check(ctx, ETHTOOL_MSG_COALESCE_GET, true)) |
| return -EOPNOTSUPP; |
| if (ctx->argc > 0) { |
| fprintf(stderr, "ethtool: unexpected parameter '%s'\n", |
| *ctx->argp); |
| return 1; |
| } |
| |
| ret = nlsock_prep_get_request(nlsk, ETHTOOL_MSG_COALESCE_GET, |
| ETHTOOL_A_COALESCE_HEADER, 0); |
| if (ret < 0) |
| return ret; |
| return nlsock_send_get_request(nlsk, coalesce_reply_cb); |
| } |
| |
| /* COALESCE_SET */ |
| |
| static const struct param_parser scoalesce_params[] = { |
| { |
| .arg = "adaptive-rx", |
| .type = ETHTOOL_A_COALESCE_USE_ADAPTIVE_RX, |
| .handler = nl_parse_u8bool, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "adaptive-tx", |
| .type = ETHTOOL_A_COALESCE_USE_ADAPTIVE_TX, |
| .handler = nl_parse_u8bool, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "sample-interval", |
| .type = ETHTOOL_A_COALESCE_RATE_SAMPLE_INTERVAL, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "stats-block-usecs", |
| .type = ETHTOOL_A_COALESCE_STATS_BLOCK_USECS, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "pkt-rate-low", |
| .type = ETHTOOL_A_COALESCE_PKT_RATE_LOW, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "pkt-rate-high", |
| .type = ETHTOOL_A_COALESCE_PKT_RATE_HIGH, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "rx-usecs", |
| .type = ETHTOOL_A_COALESCE_RX_USECS, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "rx-frames", |
| .type = ETHTOOL_A_COALESCE_RX_MAX_FRAMES, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "rx-usecs-irq", |
| .type = ETHTOOL_A_COALESCE_RX_USECS_IRQ, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "rx-frames-irq", |
| .type = ETHTOOL_A_COALESCE_RX_MAX_FRAMES_IRQ, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "tx-usecs", |
| .type = ETHTOOL_A_COALESCE_TX_USECS, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "tx-frames", |
| .type = ETHTOOL_A_COALESCE_TX_MAX_FRAMES, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "tx-usecs-irq", |
| .type = ETHTOOL_A_COALESCE_TX_USECS_IRQ, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "tx-frames-irq", |
| .type = ETHTOOL_A_COALESCE_TX_MAX_FRAMES_IRQ, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "rx-usecs-low", |
| .type = ETHTOOL_A_COALESCE_RX_USECS_LOW, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "rx-frames-low", |
| .type = ETHTOOL_A_COALESCE_RX_MAX_FRAMES_LOW, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "tx-usecs-low", |
| .type = ETHTOOL_A_COALESCE_TX_USECS_LOW, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "tx-frames-low", |
| .type = ETHTOOL_A_COALESCE_TX_MAX_FRAMES_LOW, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "rx-usecs-high", |
| .type = ETHTOOL_A_COALESCE_RX_USECS_HIGH, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "rx-frames-high", |
| .type = ETHTOOL_A_COALESCE_RX_MAX_FRAMES_HIGH, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "tx-usecs-high", |
| .type = ETHTOOL_A_COALESCE_TX_USECS_HIGH, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| { |
| .arg = "tx-frames-high", |
| .type = ETHTOOL_A_COALESCE_TX_MAX_FRAMES_HIGH, |
| .handler = nl_parse_direct_u32, |
| .min_argc = 1, |
| }, |
| {} |
| }; |
| |
| int nl_scoalesce(struct cmd_context *ctx) |
| { |
| struct nl_context *nlctx = ctx->nlctx; |
| struct nl_msg_buff *msgbuff; |
| struct nl_socket *nlsk; |
| int ret; |
| |
| if (netlink_cmd_check(ctx, ETHTOOL_MSG_COALESCE_SET, false)) |
| return -EOPNOTSUPP; |
| |
| nlctx->cmd = "-C"; |
| nlctx->argp = ctx->argp; |
| nlctx->argc = ctx->argc; |
| nlctx->devname = ctx->devname; |
| nlsk = nlctx->ethnl_socket; |
| msgbuff = &nlsk->msgbuff; |
| |
| ret = msg_init(nlctx, msgbuff, ETHTOOL_MSG_COALESCE_SET, |
| NLM_F_REQUEST | NLM_F_ACK); |
| if (ret < 0) |
| return 2; |
| if (ethnla_fill_header(msgbuff, ETHTOOL_A_COALESCE_HEADER, |
| ctx->devname, 0)) |
| return -EMSGSIZE; |
| |
| ret = nl_parser(nlctx, scoalesce_params, NULL, PARSER_GROUP_NONE); |
| if (ret < 0) |
| return 1; |
| |
| ret = nlsock_sendmsg(nlsk, NULL); |
| if (ret < 0) |
| return 1; |
| ret = nlsock_process_reply(nlsk, nomsg_reply_cb, nlctx); |
| if (ret == 0) |
| return 0; |
| else |
| return nlctx->exit_code ?: 1; |
| } |